Strain monitoring device based on aqueduct

Abstract

The utility model discloses an aqueduct strain monitoring device, and relates to the technical field of aqueduct monitoring. Comprising a mounting support, mounting holes are formed in the two ends of the mounting support, an adjusting frame is slidably mounted in the mounting support, a clamping assembly is arranged on the inner wall of the adjusting frame and comprises a U-shaped plate, an arc-shaped fixed plate is fixedly mounted at the bottom of the U-shaped plate, and an arc-shaped movable plate is detachably mounted at the bottom of the arc-shaped fixed plate; a strain gauge is mounted between the arc-shaped fixed plate and the arc-shaped movable plate; the mounting bracket is mounted at an aqueduct monitoring point through the mounting holes, the strain gauges are mounted through clamping of the arc-shaped fixed plate and the arc-shaped movable plate so as to adapt to mounting of the strain gauges of different specifications, and then the adjusting bracket slides downwards on the inner wall of the mounting bracket until the strain gauges are in contact with an aqueduct meter, so that strain monitoring of the aqueduct can be realized. The adaptability of the device is higher, and the convenience of aqueduct strain monitoring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aqueduct monitoring technical field especially relates to a kind of based on aqueduct strain monitoring device. BACKGROUND

[0002] Aqueduct refers to the water channel water flow across river, valley, depression and road's overhead water tank. It is commonly used for irrigation water delivery, also for flood discharge, sand discharge etc., large aqueduct can also be navigable. Aqueduct is built mainly by masonry, concrete and reinforced concrete etc. materials. Aqueduct, also known as elevated channel, water delivery bridge, is a group of water delivery system composed of bridge, tunnel or ditch. It is usually erected on valley, depression, river, for water, traffic and navigation. It is used to guide water from a distance to the town, rural area with insufficient water supply for drinking and irrigation.

[0003] Strain gauge is usually installed at the key position of aqueduct to monitor the deformation and strain of aqueduct structure, so that maintenance personnel can evaluate the safety and stability of the structure, discover abnormal deformation of the structure in time and take corresponding maintenance measures to ensure the normal operation and safe use of the structure.

[0004] There are various fixing methods for existing strain gauge, such as adhesive fixing and mounting bracket fixing. Mounting bracket fixing is usually divided into fixed type and detachable type. The fixed type needs to remove the mounting bracket to detach the strain gauge, and the detachable type can directly remove the strain gauge. However, in actual use, the mounting bracket of the detachable type has poor fixing effect and adaptability for the strain gauge.

[0005] Therefore, a kind of based on aqueduct strain monitoring device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of based on aqueduct strain monitoring device, solve the technical problem mentioned above.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of based on aqueduct strain monitoring device, including mounting bracket, the mounting bracket both ends are provided with mounting hole, the mounting bracket inside is slidably installed with adjusting frame, the adjusting frame inner wall is provided with clamping assembly, the clamping assembly includes U-shaped plate, the U-shaped plate bottom is fixedly installed with arc fixed plate, the arc fixed plate bottom is detachably installed with arc movable plate, the arc fixed plate and arc movable plate are jointly installed with strain gauge between.

[0008] Preferably, the mounting bracket top is provided with screw hole, the screw hole inner wall is threadedly connected with screw rod, the screw rod is rotatably installed on the adjusting frame top by bearing, the mounting bracket inner wall vertical end portion is concavely provided with T-shaped groove, the T-shaped groove inner wall is slidably connected with T-shaped slider, and the T-shaped slider is fixedly installed on the adjusting frame surface.

[0009] Preferably, the inner wall of the adjusting frame is concave and provided with a limiting sliding rail, the inner wall of the limiting sliding rail is slidably sleeved with a limiting sliding rod, the limiting sliding rod is fixedly installed on the top of the U-shaped plate, the top of the U-shaped plate is provided with a stud which is threadedly installed and tightly attached to the inner wall of the adjusting frame.

[0010] Preferably, the top of the stud is fixedly sleeved with a rubber head which is tightly attached to the inner wall of the adjusting frame.

[0011] Preferably, the end of the arc-shaped fixed plate and the arc-shaped movable plate which are close to each other is fixedly sleeved with a buffer pad, and the arc-shaped fixed plate and the arc-shaped movable plate are jointly connected with a fastening bolt.

[0012] Preferably, the top of the screw rod is fixedly sleeved with a knob, and the surface of the knob is provided with anti-skid lines.

[0013] Compared with the related art, the strain monitoring device based on an aqueduct has the following beneficial effects:

[0014] The strain monitoring device based on an aqueduct is provided, the mounting bracket is installed at the monitoring point of the aqueduct through the mounting hole, the installation of the strain gauge is realized by the clamping of the arc-shaped fixed plate and the arc-shaped movable plate, so as to adapt to the installation of strain gauges of different specifications, then the adjusting frame is slid downward in the inner wall of the mounting bracket until the strain gauge contacts the surface of the aqueduct, so that the strain monitoring of the aqueduct can be realized, the adaptability of the device is stronger, and the convenience of the strain monitoring of the aqueduct is improved.

[0015] The strain monitoring device based on an aqueduct is provided, the mounting bracket is installed at the monitoring point of the aqueduct through the mounting hole, the installation of the strain gauge is realized by the clamping of the arc-shaped fixed plate and the arc-shaped movable plate, so as to adapt to the installation of strain gauges of different specifications, then the adjusting frame is slid downward in the inner wall of the mounting bracket until the strain gauge contacts the surface of the aqueduct, so that the strain monitoring of the aqueduct can be realized, the adaptability of the device is stronger, and the convenience of the strain monitoring of the aqueduct is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a mounting bracket structure schematic view of the utility model;

[0018] Figure 3 It is a limiting sliding rail structure schematic view of the utility model;

[0019] Figure 4 It is a clamping assembly structure schematic view of the utility model;

[0020] Figure 5 It is an adjusting frame structure sectional view of the utility model.

[0021] In the figure: 1, mounting bracket, 11, mounting hole, 12, adjusting frame, 13, screw rod, 14, knob, 15, screw hole, 16, T-shaped groove, 17, T-shaped slider, 18, limiting slide rail, 2, clamping assembly, 21, U-shaped plate, 22, limiting slide rod, 23, stud, 24, rubber head, 24, arc-shaped fixed plate, 26, arc-shaped movable plate, 27, fastening bolt. DETAILED DESCRIPTION

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme, including mounting bracket 1, mounting bracket 1 both ends are equipped with mounting hole 11, adjusting frame 12 is slidably installed in mounting bracket 1, and the inner wall of adjusting frame 12 is provided with clamping assembly 2, and clamping assembly 2 includes U-shaped plate 21, and the bottom fixed mounting of U-shaped plate 21 is equipped with arc-shaped fixed plate 25, and arc-shaped movable plate 26 is detachably installed in the bottom of arc-shaped fixed plate 25, and strain gauge is jointly installed between arc-shaped fixed plate 25 and arc-shaped movable plate 26;

[0023] By mounting hole 11, mounting bracket 1 is installed in the aqueduct monitoring point, and the installation of strain gauge is realized by the clamping of arc-shaped fixed plate 25 and arc-shaped movable plate 26, so as to adapt to the installation of strain gauges of different specifications, then adjusting frame 12 is slid down to the contact of strain gauge and aqueduct surface in the inner wall of mounting bracket 1, the strain monitoring of aqueduct can be realized, the adaptability of the device is stronger, and the convenience of aqueduct strain monitoring is improved.

[0024] Screw hole 15 is formed in the top of mounting bracket 1, and screw rod 13 is threadedly connected to the inner wall of screw hole 15, and screw rod 13 is rotatably installed on the top of adjusting frame 12 through a bearing, and T-shaped groove 16 is formed in the inner recess of the vertical end portion of the inner wall of mounting bracket 1, and T-shaped slider 17 is slidably connected to the inner wall of T-shaped groove 16, and T-shaped slider 17 is fixedly installed on the surface of adjusting frame 12;

[0025] By rotating screw rod 13, it is slid down in the inner wall of screw hole 15, and the limiting effect of T-shaped slider 17 sliding in the inner wall of T-shaped groove 16 is realized, so that adjusting frame 12 can be vertically moved down in the inner wall of mounting bracket 1, thereby adjusting the height of strain gauge, so that strain gauge can be more stably installed on the surface of aqueduct.

[0026] Limiting slide rail 18 is formed in the inner recess of the inner wall of adjusting frame 12, limiting slide rod 22 is slidably connected to the inner wall of limiting slide rail 18, limiting slide rod 22 is fixedly installed on the top of U-shaped plate 21, stud 23 is threadedly installed on the top of U-shaped plate 21, and stud 23 is movably attached to the inner wall of adjusting frame 12.

[0027] The reverse rotation of the screw post 23 makes it disengage from the inner wall of the adjusting frame 12, and then the limiting slide rod 22 can slide in the inner wall of the limiting slide rail 18 at will, so as to adjust the position of the strain gauge according to the needs, and then rotate the screw post 23 to gradually engage the end of the screw post 23 with the inner wall of the adjusting frame 12, thereby limiting the sliding of the limiting slide rod 22 in the inner wall of the limiting slide rail 18, so as to fix the strain gauge.

[0028] The top of the screw post 23 is fixedly sleeved with a rubber head 24, and the rubber head 24 is tightly engaged with the inner wall of the adjusting frame 12;

[0029] The rubber head 24 is tightly engaged with the adjusting frame 12 for limiting, which effectively improves the friction and reduces the direct contact between the lead screw 13 and the inner wall of the adjusting frame 12, thereby reducing the wear and tear and prolonging the service life.

[0030] The arc-shaped fixed plate 25 and the arc-shaped movable plate 26 are fixedly sleeved with a buffer pad at the end close to each other, and the arc-shaped fixed plate 25 and the arc-shaped movable plate 26 are jointly connected with a fastening bolt 27;

[0031] When the arc-shaped fixed plate 25 and the arc-shaped movable plate 26 are used to clamp and fix the strain gauge, the buffer pad increases the friction while reducing the damage to the strain gauge caused by hard contact, thereby effectively prolonging the service life of the device.

[0032] The top of the lead screw 13 is fixedly sleeved with a knob 14, and the surface of the knob 14 is provided with anti-slip patterns; so that the lead screw 13 can be directly rotated through the knob 14, which is more convenient to use.

Claims

1. An aqueduct strain monitoring device based on, comprising a mounting bracket (1), characterized in that: The mounting bracket (1) is provided with mounting holes (11) at both ends, the adjusting frame (12) is slidably installed inside the mounting bracket (1), the clamping assembly (2) is arranged on the inner wall of the adjusting frame (12), the clamping assembly (2) comprises a U-shaped plate (21), the arc-shaped fixed plate (25) is fixedly installed at the bottom of the U-shaped plate (21), the arc-shaped movable plate (26) is detachably installed at the bottom of the arc-shaped fixed plate (25), and the strain gauge is jointly installed between the arc-shaped fixed plate (25) and the arc-shaped movable plate (26).

2. The strain monitoring device based on the aqueduct according to claim 1, characterized in that: The mounting bracket (1) is provided with mounting holes (11) at both ends, the adjusting frame (12) is slidably installed inside the mounting bracket (1), the clamping assembly (2) is arranged on the inner wall of the adjusting frame (12), the clamping assembly (2) comprises a U-shaped plate (21), the arc-shaped fixed plate (25) is fixedly installed at the bottom of the U-shaped plate (21), the arc-shaped movable plate (26) is detachably installed at the bottom of the arc-shaped fixed plate (25), and the strain gauge is jointly installed between the arc-shaped fixed plate (25) and the arc-shaped movable plate (26).

3. The strain monitoring device based on the aqueduct according to claim 2, characterized in that: The adjusting frame (12) is provided with a limiting sliding rail (18) in the inner wall, the limiting sliding rail (18) is slidably sleeved with a limiting sliding rod (22) in the inner wall, the limiting sliding rod (22) is fixedly installed at the top of the U-shaped plate (21), the threaded stud (23) is threadedly installed at the top of the U-shaped plate (21), and the threaded stud (23) is movably attached to the inner wall of the adjusting frame (12).

4. The strain monitoring device based on the aqueduct according to claim 3, characterized in that: The threaded stud (23) is fixedly sleeved with a rubber head (24) at the top, and the rubber head (24) is tightly attached to the inner wall of the adjusting frame (12).

5. The strain monitoring device according to claim 4, wherein: The arc-shaped fixed plate (25) and the arc-shaped movable plate (26) are fixedly sleeved with a buffer pad at one end close to each other, and the arc-shaped fixed plate (25) and the arc-shaped movable plate (26) are jointly connected with a fastening bolt (27).

6. The strain monitoring device based on the aqueduct according to claim 5, characterized in that: The threaded stud (23) is fixedly sleeved with a rubber head (24) at the top, and the rubber head (24) is tightly attached to the inner wall of the adjusting frame (12). The threaded stud (23) is fixedly sleeved with a rubber head (24) at the top, and the rubber head (24) is tightly attached to the inner wall of the adjusting frame (12).

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