CN212158510U

CN212158510U - Floating support device applied to hydraulic structure horizontal displacement monitoring bracing wire method

Info

Publication number: CN212158510U
Application number: CN202020314226.XU
Authority: CN
Inventors: 徐金英
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-15
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a floating device applied to a hydraulic structure horizontal displacement monitoring bracing wire method, which comprises a pontoon box, a water tank, a measuring point box, a water inlet pipe and a pontoon, wherein the pontoon box is arranged in the measuring point box, a plurality of pontoon boxes are communicated with the water tank through communicating pipes, and the pontoon floats in the pontoon box; the water inlet pipe is arranged above the water tank, the side wall of the pontoon box is connected with a water level pipe, and a water level scale is arranged outside the water level pipe; the bottom of the outer side of the pontoon box is provided with a fixed block, the bottom of the inner side of the measuring point box is provided with a groove, the fixed block is positioned in the groove, and the fixed block is fixed with a fixed groove at the inner side of the measuring point box through a fixing piece; elastic ropes are arranged around the inside of the pontoon box, and a reference line port is arranged on the pontoon. The utility model discloses couple together the superficial device of each measurement station through communicating pipe, the unified control pontoon liquid level, the inside elasticity rope median that is equipped with of pontoon, further prevent that the pontoon from touching the unable free movement of the bracing wire body that the wall leads to, ensure to survey the precision.

Description

Floating support device applied to hydraulic structure horizontal displacement monitoring bracing wire method

Technical Field

The utility model relates to a be applied to hydraulic structure level displacement monitoring and lead the superficial device of string method belongs to the technical field of hydraulic structure deformation monitoring.

Background

The method is that one end of the steel wire is fixed between two end points, and the other end is hung with a weight, and a steel wire is stretched to be used as a datum line for measuring the horizontal displacement of each displacement mark point on the dam relative to the steel wire. The lead wire method has the advantages of low cost, high precision, small external influence and simple operation, and is widely applied. One end of the tension wire is hung with a weight, the span is generally hundreds of meters, and the vertical diameter (deflection) of the tension wire can reach dozens to hundreds of centimeters under the action of the gravity of the steel wire. Therefore, a plurality of floating devices are generally arranged in the middle of the steel wire to lift the tension wire, so that the measuring wire forms a plurality of sections of shorter catenary wires, and the vertical diameter (deflection) is reduced. The tension line measuring point device with the floating support comprises a water tank, a floating pontoon and reading equipment, wherein the floating pontoon floats in a water tank, and the tension line penetrates through the floating pontoon to enable the floating pontoon to lift the measuring line, so that the measuring line is ensured to be approximately at the same height and can freely and horizontally move.

Before each observation, the whole-line equipment is checked and adjusted to make the floating pontoon and the survey line in free state. Daily inspection is carried out on the liquid level of a pontoon box for processing the tension lead, the pontoon collides with the wall, the wire body is loose, and a measuring and reading device and the like are adopted. Because the existing pontoon device is independently maintained, the maintenance workload is large, the daily maintenance work is not facilitated, the inaccurate maintenance often leads to inaccurate monitoring data, and the monitoring deviation is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a be applied to the superficial device that holds in the palm of hydraulic structure horizontal displacement monitoring bracing wire method, when satisfying the monitoring of hydraulic structure outward appearance horizontal displacement, couple together the superficial device that holds in the palm of each measurement station through communicating pipe, the unified control pontoon liquid level, just the utility model discloses be equipped with the water level gauge on the superficial device that holds in the palm, can look over the pontoon liquid level at any time. The inside elastic rope median that is equipped with of pontoon further prevents that the leading wire body that the pontoon from bumping the wall and leading to can't freely remove, ensures to survey the precision.

The utility model provides a technical scheme that above-mentioned problem adopted is: a floating support device applied to a horizontal displacement monitoring bracing wire method of a hydraulic structure is characterized by comprising pontoon boxes, water tanks, measuring point boxes, water inlet pipes and a pontoon, wherein the pontoon boxes are arranged in the measuring point boxes, a plurality of pontoon boxes are communicated with the water tanks through communicating pipes, and the pontoon floats in the pontoon boxes; the water inlet pipe is arranged above the water tank, and the outlet of the water inlet pipe is communicated with the water tank; the side wall of the pontoon box is connected with a water level pipe, and a water level scale is arranged outside the water level pipe and is used for observing the height of the water level in the pontoon box; the bottom of the outer side of the pontoon box is provided with a fixed block, the bottom of the inner side of the measuring point box is provided with a groove, two ends of the groove are provided with limit blocks, the fixed block is positioned in the groove, and the fixed block is fixed with a fixed groove at the inner side of the measuring point box through a fixing piece; elastic ropes are arranged around the inside of the pontoon box and used for preventing the pontoon from contacting with the inner wall of the pontoon box; and a reference line port is arranged on the pontoon and used for penetrating a steel wire reference line.

Furthermore, a water inlet valve is arranged on the water inlet pipe.

Further, the lateral wall of pontoon case is provided with water level pipe installing port and communicating pipe installing port, the water level pipe is connected with water level pipe installing port, communicating pipe is connected with communicating pipe installing port.

Compared with the prior art, the utility model, have following advantage and effect: connecting the pontoon boxes in each measuring point box with a water tank through a communicating pipe, and uniformly adjusting the water level in each pontoon box by adding water into the water tank; elastic ropes are arranged around the inside of the pontoon box to form an isolation ring, so that the pontoon is ensured not to touch the wall in the pontoon box; the bottom of the pontoon box is provided with a fixed block, the pontoon box moves in a groove at the bottom of the measuring point box through the adjustment of a bolt, the free state of the pontoon in the pontoon box is further ensured, and the monitoring precision of the horizontal displacement of the hydraulic structure measured by the tension wire method with the floating support device is finally ensured.

Drawings

Fig. 1 is a schematic view of a communication structure of a floating device in an embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of the floating device in the embodiment of the present invention.

In the figure: the device comprises a pontoon box 1, a water tank 2, a communicating pipe 3, a measuring point box 4, a water inlet pipe 5, a water inlet valve 6, a water level scale 7, a water level pipe 8, a pontoon 9, a datum line port 10, a fixing piece 11, a fixing groove 12, a fixing block 13, a limiting block 14, a groove 15, an elastic rope 16, a water level pipe mounting port 17 and a communicating pipe mounting port 18.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 to 2, in the embodiment, a floating device applied to a horizontal displacement monitoring bracing wire method of a hydraulic structure comprises a pontoon box 1, a water tank 2, a measuring point box 4, a water inlet pipe 5 and a pontoon 9, wherein the pontoon box 1 is arranged in the measuring point box 4, a plurality of pontoon boxes 1 are communicated with the water tank 2 through communicating pipes 3, and the pontoon 9 floats in the pontoon box 1; the water inlet pipe 5 is arranged above the water tank 2, the outlet of the water inlet pipe 5 is communicated with the water tank 2, and the water inlet valve 6 is arranged on the water inlet pipe 5; the side wall of the pontoon box 1 is connected with a water level pipe 8, and a water level scale 7 is arranged outside the water level pipe 8 and is used for observing the height of the water level in the pontoon box 1; the bottom of the outer side of the pontoon box 1 is provided with a fixed block 13, the bottom of the inner side of the measuring point box 4 is provided with a groove 15, two ends of the groove 15 are provided with limit blocks 14, the fixed block 13 is positioned in the groove 15, and the fixed block 13 is fixed with a fixed groove 12 on the inner side of the measuring point box 4 through a fixed part 11; elastic ropes 16 are arranged around the inside of the pontoon box 1 to form an isolation ring for preventing monitoring data distortion caused by the collision of the pontoon 9 with the wall; the pontoon 9 is provided with a reference line port 10 for passing a steel wire reference line.

In this embodiment, the side wall of the pontoon casing 1 is provided with a water level pipe mounting port 17 and a communicating pipe mounting port 18, the water level pipe 8 is connected with the water level pipe mounting port 17, and the communicating pipe 3 is connected with the communicating pipe mounting port 18. The water level pipe mounting port 17 and the communicating pipe mounting port 18 are used for mounting and dismounting the water level pipe 8 and the communicating pipe 3, the operation is convenient, and the sealing is good and water-tight.

Before monitoring the horizontal displacement of the hydraulic structure, the water level in the water level pipe 8 is checked whether the water level is at a specified height, and if the water level is lower than the specified height, the water inlet valve 6 at the upper part of the water tank 2 is opened until the water level in the water level pipe 8 reaches the specified position.

When the horizontal displacement of the hydraulic structure is monitored, the fixing piece 11 is opened, the pontoon box 1 is adjusted to move to a proper position in the groove 15, the pontoon 9 is ensured not to touch the wall in the pontoon box 1, and then the fixing piece 11 is screwed down.

Those not described in detail in this specification are well within the skill of the art.

In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A floating support device applied to a hydraulic structure horizontal displacement monitoring bracing wire method is characterized by comprising pontoon boxes (1), water tanks (2), measuring point boxes (4), water inlet pipes (5) and pontoons (9), wherein the pontoon boxes (1) are arranged in the measuring point boxes (4), the pontoon boxes (1) are communicated with the water tanks (2) through communicating pipes (3), and the pontoons (9) float in the pontoon boxes (1); the water inlet pipe (5) is arranged above the water tank (2), and the outlet of the water inlet pipe (5) is communicated with the water tank (2); the side wall of the pontoon box (1) is connected with a water level pipe (8), and a water level scale (7) is arranged on the outer side of the water level pipe (8) and is used for observing the water level height in the pontoon box (1); the bottom of the outer side of the pontoon box (1) is provided with a fixed block (13), the bottom of the inner side of the measuring point box (4) is provided with a groove (15), two ends of the groove (15) are provided with limit blocks (14), the fixed block (13) is positioned in the groove (15), and the fixed block (13) is fixed with a fixed groove (12) on the inner side of the measuring point box (4) through a fixing piece (11); elastic ropes (16) are arranged around the inside of the pontoon box (1) and used for preventing the pontoon (9) from contacting with the inner wall of the pontoon box (1); and a reference line port (10) is arranged on the pontoon (9) and is used for penetrating a steel wire reference line.

2. The float device applied to the horizontal displacement monitoring guy wire method of a hydraulic structure according to claim 1, wherein the water inlet valve (6) is installed on the water inlet pipe (5).

3. The float-over device applied to the horizontal displacement monitoring bracing wire method of the hydraulic structure according to claim 1, wherein the side wall of the pontoon casing (1) is provided with a water level pipe mounting port (17) and a communicating pipe mounting port (18), the water level pipe (8) is connected with the water level pipe mounting port (17), and the communicating pipe (3) is connected with the communicating pipe mounting port (18).