Tunnel gushing water flow monitoring device

By setting up a motor-driven filter rotating device in the tunnel water inrush flow monitoring device, using scrapers to clean impurities on the filter surface, the problem of filter hole blockage is solved, and accurate monitoring of water inrush flow and long-term use of the device is achieved.

CN222894290UActive Publication Date: 2025-05-23广东粤海粤东供水有限公司 +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421446324.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-05-23
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

In the existing tunnel water inrush monitoring device, it is difficult for the filter mesh to remove the attached impurities after filtering impurities, resulting in blockage of the filter holes and affecting the monitoring of water inrush flow.

Method used

A tunnel water inrush flow monitoring device is designed, by providing a motor-driven filter in the device to clean impurities on the surface of the filter using a scraper fixed around the filter.

Benefits of technology

It effectively avoids filter hole blockage, ensures accurate monitoring of water influx flow, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222894290U_ABST
    Figure CN222894290U_ABST
Patent Text Reader

Abstract

The utility model provides a tunnel gushing water flow monitoring device. The device comprises a measurement mounting pipe; the flow meter is arranged at the top end of the measurement mounting pipe; the connecting pipe is arranged on one side of the measurement mounting pipe, the connecting pipe is used for being connected with a tunnel water pipe, and an embedding groove is formed in the inner wall of the connecting pipe; the motor is arranged in the pipe wall of the connecting pipe, and a first gear is arranged at the output end of the motor; the gear ring is embedded in an embedding groove in the connecting pipe, the gear ring is rotationally connected with the connecting pipe, and the gear ring is connected with the first gear in a meshed mode; the filter screen is arranged in the toothed ring, and the filter screen is used for intercepting dirt flowing to the connecting pipe in the tunnel water pipe; the scraping piece is fixedly connected to the pipe wall of the connecting pipe in the radial direction of the filter screen, and the scraping piece is attached to the filter screen. The surface of the filter screen is scraped through the fixed scraping blade, impurities attached to the surface of the filter screen are promoted to fall off, and detection is prevented from being affected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel water inrush monitoring, and particularly relates to a tunnel water inrush flow monitoring device. Background Art

[0002] When the drain pipe in the tunnel drains water, a corresponding water inrush monitoring device is required to monitor the flow rate of the drain pipe.

[0003] During the use of the existing tunnel water inrush monitoring devices, most of them use a filter screen to protect the flowmeter at its inner end, avoiding direct impact of large particle impurities on the flowmeter and causing damage to the flowmeter. After the filter screen continuously filters impurities, impurities will accumulate and adhere to its surface, and it is difficult to effectively remove them, thereby causing the filter holes to be blocked and affecting the flow monitoring of the water inrush. Summary of the Utility Model

[0004] The purpose of the utility model is to address the deficiencies of the existing technology and provide a tunnel water inrush flow monitoring device. By setting a motor to drive the filter screen to rotate on the surface of the fixed scraping blade, the purpose of cleaning the deposited impurities is achieved.

[0005] The utility model provides a tunnel water inrush flow monitoring device, including: a measuring installation pipe; a flowmeter disposed at the top of the measuring installation pipe; a connecting pipe disposed on one side of the measuring installation pipe, the connecting pipe being used to connect the tunnel water pipe, and an embedding groove being provided on the inner wall of the connecting pipe; a motor disposed inside the pipe wall of the connecting pipe, a first gear being provided at the output end of the motor; a toothed ring embedded in the embedding groove inside the connecting pipe, the toothed ring being rotatably connected to the connecting pipe, and the toothed ring being meshed with the first gear; a filter screen disposed inside the toothed ring, the filter screen being used to intercept the dirt flowing from the tunnel water pipe to the connecting pipe; a scraping blade fixedly connected to the pipe wall of the connecting pipe along the radial direction of the filter screen, the scraping blade being in contact with the filter screen.

[0006] Further, it further includes: a mounting seat disposed at the bottom end of the connecting pipe. Still further, it further includes: a buffer member disposed between the mounting seat and the connecting pipe, the buffer member further including a damper and a spring, the damper connecting the mounting seat and the connecting pipe, and the spring being sleeved on the damper. Even further, it further includes: a corrugated pipe sleeved outside the damper and the spring, the corrugated pipe connecting the mounting seat and the connecting pipe.

[0007] Further, it further includes: a discharge pipe connected to the other side of the measuring installation pipe relative to the connecting pipe.

[0008] Furthermore, it also includes: a flange, which is sleeved on the outside of the connecting pipe and is used to fix the connecting pipe to the tunnel water pipe.

[0009] Furthermore, it also includes: a monitoring platform, wherein the monitoring platform is electrically connected to the flow meter and the motor.

[0010] Furthermore, the length of the scraper is greater than or equal to the radius of the filter screen.

[0011] Furthermore, the motor is a servo motor, and the first gear, gear ring, filter screen, and scraper are all made of stainless steel.

[0012] Furthermore, the gear ring is engaged with a plurality of second gears fixed in the embedding groove to achieve rotational connection with the connecting pipe.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting the first gear and gear ring assembly in the device, the motor is started regularly during the interval of water discharge, and the output end of the motor drives the first gear to rotate, and the rotating first gear drives the gear ring and the filter screen at its inner end to rotate, and the fixed scraper scrapes the surface of the filter screen to promote the shedding of impurities attached to the surface of the filter screen, so as to avoid the blockage of the filter holes due to excessive large particles of impurities attached to the surface of the filter screen, thereby affecting the monitoring of subsequent water flow.

[0015] 2. The tunnel water inrush monitoring device is equipped with a buffer inside the device. During the water inrush in the tunnel water pipe, the damper cooperates with the spring to provide buffering for the measuring installation pipe and its related components, thereby preventing the measuring installation pipe from vibrating violently due to excessive water inrush flow, which would affect the flow meter's detection of the tunnel water inrush flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 for Figure 1 The structural diagram at A in the middle;

[0018] Figure 3 It is a schematic diagram of the structure of the filter screen in the embodiment of the utility model.

[0019] Figure markings: 1-mounting seat; 2-buffer; 21-damper; 22-spring; 23-bellows; 3-measuring mounting pipe; 4-discharge pipe; 5-connecting pipe; 51-embedded groove; 6-flange; 7-tunnel water pipe; 8-flow meter; 9-monitoring platform; 10-motor; 11-first gear; 12-gear ring; 13-filter; 14-scraper; 15-screw; 16-second gear. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0021] A tunnel water inrush flow monitoring device includes a mounting seat 1, which is arranged at the bottom end of a connecting pipe 5. A buffer 2 is arranged between the mounting seat 1 and the connecting pipe 5, and the buffer 2 also includes a damper 21 and a spring 22. The damper 21 connects the mounting seat 1 and the connecting pipe 5, and the spring 22 is sleeved on the damper 21. A bellows 23 is sleeved outside the damper 21 and the spring 22, and the bellows 23 connects the mounting seat 1 and the connecting pipe 5. During the water inrush process of a tunnel water pipe 7, the damper 21 cooperates with the spring 22 to provide buffering for the measuring mounting pipe 3 and its related components, so as to prevent the measuring mounting pipe 3 from vibrating violently due to excessive water inrush flow, thereby affecting the flowmeter 8 in detecting the tunnel water inrush flow, and the bellows 23 protects the buffer 2 from dust during this process. The flow meter 8 is arranged at the top of the measuring installation pipe 3, the connecting pipe 5 is arranged at one side of the measuring installation pipe 3, the connecting pipe 5 is used to connect the tunnel water pipe 7, the flange 6 is sleeved outside the connecting pipe 5, the flange 6 is used to fix the connecting pipe 5 and the tunnel water pipe 7, the discharge pipe 4 is connected to the other side of the measuring installation pipe 3 relative to the connecting pipe 5 for drainage, the motor 10 is arranged in the wall of the connecting pipe 5, the output end of the motor 10 is provided with a first gear 11, the gear ring 12 is embedded in the embedding groove 51 in the connecting pipe 5, the gear ring 12 is rotatably connected to the connecting pipe 5, and the gear ring 12 is connected to the connecting pipe 5 by A plurality of second gears 16 fixed in the embedding groove 51 are meshed to realize the rotation connection with the connecting pipe 5, the first gear 11 extends into the embedding groove 51, the gear ring 12 is meshed and connected with the first gear 11, the filter 13 is arranged in the gear ring 12, the filter 13 is used to intercept the dirt flowing from the tunnel water pipe 7 to the connecting pipe 5, the scraper 14 is fixed to the wall of the connecting pipe 5 along the radial direction of the filter 13, the scraper 14 is in contact with the filter 13, and the length of the scraper 14 is greater than or equal to the radius of the filter 13, and the monitoring platform 9 is electrically connected with the flow meter 8 and the motor 10. The motor 10 is a servo motor, and the first gear 11, the gear ring 12, the filter 13, and the scraper 14 are all made of stainless steel.

[0022] When in use, the user moves the mounting base 1 and the device on its upper end to the discharge end of the tunnel water pipe 7, inserts the connecting pipe 5 into the tunnel water pipe 7, and after the flange 6 on the side of the connecting pipe 5 is aligned and the screw holes fit the screw holes on the edge of the discharge end of the tunnel water pipe 7, the bolts are threadedly connected with the flange 6 and the tunnel water pipe 7 respectively to achieve fixed connection and communication between the connecting pipe 5 and the tunnel water pipe 7, and the mounting base 1 is installed in a suitable position by means of screws 15, and the flow meter 8, the motor 10 and the monitoring platform 9 are electrically connected. When water gushes out of the tunnel water pipe 7, the gusher first enters the measuring installation pipe 3 through the filter screen 13 and the connecting pipe 5, and the filter screen 13 removes large particles of impurities in the gusher. Filtering is performed to prevent large particles of impurities from directly impacting the flow meter 8 and causing damage, and finally discharged from the discharge pipe 4 to the ditch. When the gushing water passes through the measuring installation pipe 3, the flow meter 8 measures the gushing water flow data and transmits it to the monitoring platform 9 for analysis through the wire assembly. In the interval of gushing water discharge, the motor 10 is started at a fixed time, and the output end of the motor 10 drives the first gear 11 to rotate. The rotating first gear 11 drives the gear ring 12 and the filter screen 13 at its inner end to rotate, and the fixed scraper 14 scrapes the surface of the filter screen 13 to promote the shedding of impurities attached to the surface of the filter screen 13, so as to avoid the subsequent reading of the gushing water flow rate due to excessive large particles of impurities attached to the surface of the filter screen 13. Monitoring.

[0023] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A tunnel water inrush flow monitoring device, characterized in that: include: Measuring and installing pipe (3); A flow meter (8), wherein the flow meter (8) is arranged at the top end of the measuring installation pipe (3); A connecting pipe (5), the connecting pipe (5) being arranged on one side of the measuring installation pipe (3), the connecting pipe (5) being used to connect to a tunnel water pipe (7), and an embedding groove (51) being arranged on the inner wall of the connecting pipe (5); A motor (10), wherein the motor (10) is arranged in the wall of the connecting tube (5), and a first gear (11) is arranged at the output end of the motor (10); a gear ring (12), the gear ring (12) being embedded in an embedding groove (51) in the connecting tube (5), the gear ring (12) being rotatably connected to the connecting tube (5), and the gear ring (12) being meshingly connected to the first gear (11); A filter screen (13), the filter screen (13) being arranged inside the gear ring (12), the filter screen (13) being used to intercept dirt flowing from the tunnel water pipe (7) toward the connecting pipe (5); A scraper (14), wherein the scraper (14) is fixedly connected to the wall of the connecting pipe (5) along the radial direction of the filter screen (13), and the scraper (14) is in close contact with the filter screen (13).

2. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: Also includes: A mounting seat (1), wherein the mounting seat (1) is arranged at the bottom end of the connecting pipe (5).

3. The tunnel water inrush flow monitoring device according to claim 2, characterized in that: Also includes: A buffer component (2), the buffer component (2) being arranged between the mounting seat (1) and the connecting pipe (5), the buffer component (2) further comprising a damper (21) and a spring (22), the damper (21) connecting the mounting seat (1) and the connecting pipe (5), the spring (22) being sleeved on the damper (21).

4. The tunnel water inrush flow monitoring device according to claim 3, characterized in that: Also includes: A bellows (23), wherein the bellows (23) is sleeved outside the damper (21) and the spring (22), and the bellows (23) connects the mounting seat (1) and the connecting pipe (5).

5. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: Also includes: A discharge pipe (4), wherein the discharge pipe (4) is connected to the other side of the measuring installation pipe (3) relative to the connecting pipe (5).

6. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: Also includes: A flange (6), wherein the flange (6) is sleeved on the outside of the connecting pipe (5), and the flange (6) is used to fix the connecting pipe (5) and the tunnel water pipe (7).

7. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: Also includes: A monitoring platform (9), wherein the monitoring platform (9) is electrically connected to the flow meter (8) and the motor (10).

8. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: The length of the scraper (14) is greater than or equal to the radius of the filter screen (13).

9. The tunnel water inrush flow monitoring device according to claim 1, characterized in that: The motor (10) is a servo motor, and the first gear (11), the gear ring (12), the filter screen (13), and the scraper (14) are all made of stainless steel.