Road and bridge safety detection device

Abstract

The utility model relates to the technical field of roads and bridges, in particular to a road and bridge safety detection device which comprises a movable bottom plate, a vertical plate is fixedly installed at the top of the movable bottom plate, rotating columns are arranged on one side of the vertical plate, a rotating frame is fixedly installed at one ends of the rotating columns, a groove is formed in one end of one rotating column, and a groove is formed in the other end of the other rotating column. And a torsional spring is fixedly installed in the open groove, a worm gear is fixedly installed at one end of the torsional spring, a worm frame is fixedly installed on one side of the vertical plate, and a worm is rotationally arranged on one side of the worm frame. The device has the advantages that the worm rotates to drive the worm gear to rotate, so that the rotating adjustment precision of the rotating frame is high during use, adjustment is convenient, and when an ultrasonic detector detects poor-quality concrete, the rotating frame is temporarily rotated to drive the torsion spring to rotate to adjust the detection position for repeated confirmation; and the movable bottom plate does not need to be moved repeatedly, so that the detection is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of roads and bridges, in particular to a road and bridge safety detection device. Background Art

[0002] In the construction of roads and bridges, cement concrete is one of the most important building materials. It not only plays an effective role in ensuring the safety of construction, but is also an indispensable material in construction projects. The quality and safety of concrete is particularly important, and the detection method of concrete quality has become more prominent. The existing method for detecting concrete quality generally adopts manual detection.

[0003] A road and bridge safety detection device disclosed in Chinese patent CN213173335U is provided with a set of mobile bottom plates, four sets of rollers are driven by a motor, and an ultrasonic detector is installed above the mobile bottom plate, so that the detection device is easy to move and manpower is saved. However, while solving the problem, the road and bridge safety detection device has the following defects:

[0004] 1. The device rotates the rotating frame and fixes it by matching the gap between the plug plate and the slot. However, the slot design density is limited, which makes the rotation adjustment accuracy of the rotating frame limited during use, and the adjustment is inconvenient.

[0005] 2. When the ultrasonic detector is testing, it moves downward to fit the road surface. The gap between the plug plate and the slot makes the rotating frame rotate and then fixed. When the road surface is uneven, it cannot rotate due to force, and the ultrasonic detector is easily damaged by impact. Utility Model Content

[0006] The purpose of the utility model is to solve at least one of the technical defects described in the background technology.

[0007] To this end, one purpose of the utility model is to provide a road bridge safety detection device, aiming to solve the problem of limited accuracy and inconvenient adjustment of the rotating frame of the road bridge safety detection device in the prior art.

[0008] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a road and bridge safety detection device, including a movable base plate, a vertical plate is fixedly installed on the top of the movable base plate, a rotating column is provided on one side of the vertical plate, a rotating frame is fixedly installed on one end of the rotating column, one group of the rotating columns is provided with a slot at one end, a torsion spring is fixedly installed inside the slot, a worm gear is fixedly installed on one end of the torsion spring, a worm frame is fixedly installed on one side of the vertical plate, and a worm is rotatably provided on one side of the worm frame.

[0009] Preferably, any of the above schemes is that a moving wheel is provided at the bottom of the moving base plate, wherein a wheel axle is provided in the middle of two groups of the moving wheels, a motor is fixedly installed at the bottom of the moving base plate, a sprocket is fixedly installed at the output end of the motor and the surface of the wheel axle, a chain is connected to the surface of the sprocket for transmission, and the motor can drive the moving wheel to avoid manual pushing of the moving base plate.

[0010] Preferably, any of the above schemes is that a spring is provided inside the rotating frame, a bracket is fixedly installed at the bottom of the spring, an ultrasonic detector is fixedly installed at the bottom of the bracket, a pressure rod is fixedly installed at the top of the bracket, and the ultrasonic detector is moved by pressing the pressure rod, which makes detection more convenient.

[0011] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0012] 1. The device drives the worm wheel to rotate through the worm, so that the rotation adjustment accuracy of the rotating frame is higher and the adjustment is more convenient when in use.

[0013] 2. The device enables the ultrasonic detector to move through a torsion spring to prevent the ultrasonic detector from being damaged by impact.

[0014] 3. Temporarily rotate the rotating frame to drive the torsion spring to rotate and adjust the detection position of the ultrasonic detector for repeated confirmation. There is no need to repeatedly move the mobile base plate, making the detection more convenient.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a three-dimensional structural schematic diagram according to the utility model;

[0018] Figure 2 It is a structural schematic diagram of a worm wheel and a worm according to the utility model;

[0019] Figure 3 It is a schematic diagram of the structure according to the cross-section of the utility model.

[0020] Among them: 10, movable bottom plate, 11, vertical plate, 111, support rod, 12, rotating column, 121, convex ring, 13, rotating frame, 131, spring, 132, bracket, 133, ultrasonic detector, 134, pressure rod, 14, torsion spring, 15, worm gear, 151, convex ring sleeve, 16, worm frame, 17, worm, 20, movable wheel, 21, wheel axle, 22, motor, 23, sprocket, 24, chain. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-3 As shown, a road and bridge safety detection device of this embodiment includes a movable base plate 10, a vertical plate 11 is fixedly installed on the top of the movable base plate 10, a support rod 111 is fixedly installed on the side of the vertical plate 11, a rotating column 12 is arranged on one side of the vertical plate 11, a rotating frame 13 is fixedly installed on one end of the rotating column 12, and the rotating column 12 drives the rotating frame 13 to rotate and adjust the direction, one end of one group of rotating columns 12 is provided with a slot, and a torsion spring 14 is fixedly installed inside the slot, when the ultrasonic detector detects that the concrete of poor quality can be driven by temporarily rotating the rotating frame 13 to drive the torsion spring 14 to rotate and adjust the detection position for repeated confirmation, a worm gear 15 is fixedly installed on one end of the torsion spring 14, and the worm gear 15 drives the rotating column 12 to rotate through the torsion spring 14, a worm frame 16 is fixedly installed on one side of the vertical plate 11, and a worm 17 is rotatably arranged on one side of the worm frame 16, and the surface of the worm 17 is meshed with the worm wheel 15, and the worm 17 is rotated, and the worm 17 drives the worm wheel 15 to rotate.

[0024] Embodiment 1: A convex ring 121 is fixedly connected to the surface of one group of rotating columns 12, and a convex ring sleeve 151 is fixedly installed on one side of the worm gear 15. The convex ring sleeve 151 is rotatably set on the surface of the convex ring 121 and the rotating column 12. The convex ring sleeve 151 is rotatably set at one end of the rotating column 12 through the convex ring 121 to prevent the worm gear 15 from accidentally detaching.

[0025] Embodiment 2: Moving wheels 20 are provided at the bottom of the moving base plate 10, wherein a wheel axle 21 is provided in the middle of two groups of moving wheels 20, a motor 22 is fixedly installed at the bottom of the moving base plate 10, a sprocket 23 is fixedly installed between the output end of the motor 22 and the surface of the wheel axle 21, a chain 24 is transmission-connected to the surface of the sprocket 23, the motor 22 is started, the motor 22 drives the sprocket 23 to rotate, the sprocket 23 drives another group of sprockets to rotate through the chain 24, and further drives the wheel axle 21 to rotate, the rotation of the wheel axle 21 drives the moving wheels 20 to rotate, and the moving base plate 10 moves.

[0026] Embodiment 3: A spring 131 is provided inside the rotating frame 13, and a bracket 132 is fixedly installed at the bottom of the spring 131. The bracket 1322 moves downward to stretch the spring 131, and an ultrasonic detector 133 is fixedly installed at the bottom of the bracket 132. When the ultrasonic detector 133 encounters an obstacle, the uneven road surface abuts against one side of the ultrasonic detector 133, thereby pushing the ultrasonic detector 133 and the rotating frame 13 to drive the rotating column 12 to rotate, and the rotating column 12 torsions the torsion spring 14. A pressure rod 134 is fixedly installed on the top of the bracket 132. The pressure rod 134 is pressed down, and the pressure rod 134 drives the ultrasonic detector 133 to move downward to fit the road surface through the bracket 132.

[0027] The working principle of the utility model is as follows: when in use,

[0028] 1. The device rotates the worm 17, which drives the worm wheel 15 to rotate. The worm wheel 15 drives the rotating column 12 to rotate through the torsion spring 14. The rotating column 12 drives the rotating frame 13 to rotate to adjust the direction.

[0029] 2. Press down the pressure rod 134. The pressure rod 134 drives the ultrasonic detector 133 to move downward to fit the road surface through the bracket 132, and stretches the spring 131. When the ultrasonic detector 133 encounters an obstacle, the uneven road surface presses against one side of the ultrasonic detector 133, thereby pushing the ultrasonic detector 133 and the rotating frame 13 to drive the rotating column 12 to rotate, and the rotating column 12 torsional the torsion spring 14.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. The device rotates the worm 17, which drives the worm wheel 15 to rotate. The worm wheel 15 drives the rotating column 12 to rotate through the torsion spring 14. The rotating column 12 drives the rotating frame 13 to rotate and adjust the direction. The device drives the worm wheel 15 to rotate through the worm 17, so that the rotation adjustment accuracy of the rotating frame 13 is higher during use, and the adjustment is more convenient;

[0032] 2. Press down the pressure rod 134. The pressure rod 134 drives the ultrasonic detector 133 to move downward to fit the road surface through the bracket 132, and stretches the spring 131. When the ultrasonic detector 133 encounters an obstacle, the uneven road surface presses against one side of the ultrasonic detector 133, thereby pushing the ultrasonic detector 133 and the rotating frame 13 to drive the rotating column 12 to rotate. The rotating column 12 twists the torsion spring 14. The device enables the ultrasonic detector 133 to move through the torsion spring 14 to prevent the ultrasonic detector from being damaged by impact.

[0033] 3. When the ultrasonic detector detects poor quality concrete, the rotating frame 13 can be temporarily rotated to drive the torsion spring 14 to rotate and adjust the detection position for repeated confirmation, without repeatedly moving the mobile bottom plate, making the detection more convenient.

Claims

1. A road and bridge safety detection device, characterized in that: The invention comprises a movable bottom plate (10), a vertical plate (11) is fixedly mounted on the top of the movable bottom plate (10), a rotating column (12) is arranged on one side of the vertical plate (11), a rotating frame (13) is fixedly mounted on one end of the rotating column (12), a group of the rotating columns (12) are arranged on one end with a slot, a torsion spring (14) is fixedly mounted inside the slot, a worm gear (15) is fixedly mounted on one end of the torsion spring (14), a worm gear frame (16) is fixedly mounted on one side of the vertical plate (11), and a worm gear (17) is rotatably mounted on one side of the worm gear frame (16).

2. The road and bridge safety detection device according to claim 1, characterized in that: The surface of the worm (17) meshes with the worm wheel (15).

3. The road and bridge safety detection device according to claim 1, characterized in that: A convex ring (121) is fixedly connected to the surface of one group of the rotating columns (12), and a convex ring sleeve (151) is fixedly installed on one side of the worm wheel (15).

4. The road and bridge safety detection device as claimed in claim 3, characterized in that: The convex ring sleeve (151) is rotatably arranged on the surfaces of the convex ring (121) and the rotating column (12).

5. The road and bridge safety detection device according to claim 1, characterized in that: A support rod (111) is fixedly mounted on the side of the vertical plate (11).

6. The road and bridge safety detection device according to claim 1, characterized in that: The bottom of the movable base plate (10) is provided with a movable wheel (20), wherein a wheel axle (21) is provided in the middle of two groups of the movable wheels (20), a motor (22) is fixedly installed at the bottom of the movable base plate (10), a sprocket (23) is fixedly installed at the output end of the motor (22) and the surface of the wheel axle (21), and a chain (24) is connected to the surface of the sprocket (23) in a transmission manner.

7. The road and bridge safety detection device according to claim 1, characterized in that: A spring (131) is arranged inside the rotating frame (13), a bracket (132) is fixedly mounted on the bottom of the spring (131), an ultrasonic detector (133) is fixedly mounted on the bottom of the bracket (132), and a pressure rod (134) is fixedly mounted on the top of the bracket (132).

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