Foundation pit dewatering well water level monitoring tool

Abstract

The utility model relates to the technical field of foundation pit dewatering monitoring, and solves the problems that construction personnel miss the optimal response time and cannot know water level increase data in time during detection because an alarm cannot be given out in time when the water level of a foundation pit reaches a peak value along with the increase of rainfall. The foundation pit dewatering well water level monitoring tool comprises a measuring cylinder, sliding grooves are axially symmetrically formed in the inner side wall of the measuring cylinder, sliding blocks are slidably connected into the sliding grooves, the bottoms of the sliding blocks are fixedly connected with connecting rods, buoyancy discs are arranged at the bottoms of the connecting rods, a supporting frame is arranged at the top of the measuring cylinder, and a warning assembly is arranged at the bottom of the supporting frame. The warning assembly comprises a fixing piece A at the bottom of the supporting frame, a pressure sensing module is arranged at the bottom of the fixing piece A, a spring is arranged at the bottom of the fixing piece A and located on the outer side of the pressure sensing module, a fixing piece B is arranged at the bottom of the spring, and a pressing rod is arranged at the top of the fixing piece B and located in the spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit dewatering monitoring technical field, concretely is a kind of foundation pit dewatering well water level monitoring tool. BACKGROUND

[0002] The utility model discloses a kind of foundation pit dewatering well water level monitoring tools with publication No.CN216050172U, it includes wire laying mechanism and guide mechanism, well lid center position is provided with central through-hole, wire laying mechanism includes roller, first support and control box, the central shaft of roller is rotated by motor drive, guide mechanism includes guide cylinder and second support, the inner wall circumferential side of guide cylinder is equipped with multiple pressure strain gauges, one end of traction rope is passed guide cylinder and passes through central through-hole and is connected with the top of floating plate in foundation pit dewatering well, second support is provided with encoder for measuring the number of turns of the central shaft of guide cylinder.

[0003] It detects whether traction rope is straight by multiple pressure strain gauges, and then calculates whether water surface drops, uses wire laying mechanism to lay wire and pull floating plate in well, so that floating plate falls on water surface, and encoder can obtain lowering distance of traction rope, with good real-time effect.

[0004] But as rainfall increases, when foundation pit water level reaches peak value, it cannot timely send alarm, leading to that construction personnel miss best response time, and when detecting, water level rise data cannot be understood in time, and the efficiency of the foundation pit water level monitoring is not high. UTILITY MODEL CONTENTS

[0005] To overcome the defects of prior art, the utility model provides a kind of foundation pit dewatering well water level monitoring tool, solve the problem that as rainfall increases, when foundation pit water level reaches peak value, it cannot timely send alarm, leading to that construction personnel miss best response time, and when detecting, water level rise data cannot be understood in time.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of foundation pit dewatering well water level monitoring tool, including measuring cylinder, the inside wall axis of the measuring cylinder is symmetrically provided with sliding slot, the sliding block is slidably connected in the sliding slot, the connecting rod is fixedly connected to the bottom of the sliding block, the connecting rod bottom is provided with buoyancy disc, the support frame is set up on the top of the measuring cylinder, and the warning assembly is set up on the bottom of the support frame;The warning assembly includes A fixed sheet on the bottom of the support frame, the pressure sensing module is set up on the bottom of the A fixed sheet, the spring is set up outside the pressure sensing module on the bottom of the A fixed sheet, the B fixed sheet is set up on the bottom of the spring, the pressure rod is set up inside the spring on the top of the B fixed sheet, the control module is electrically connected to the pressure sensing module by wire, and the buzzer warning lamp is electrically connected to the control module by wire.

[0007] In a specific embodiment, pulleys are arranged on both sides of the sliding block, the pulleys are slidingly connected to the inside of the sliding groove, the cross section of the sliding groove is T-shaped, and the shape of the pulley is matched with the sliding groove.

[0008] In a specific embodiment, a longitudinal transparent observation groove is arranged on the surface of the measuring cylinder, a water level scale is arranged on one side of the transparent observation groove, and a fluorescent coating is coated on the inner wall of the transparent observation groove.

[0009] In a specific embodiment, connecting blocks are symmetrically arranged at four corners of the outer wall of the measuring cylinder, the connecting blocks are movably connected with telescopic supporting rods on the surface, and screw caps for adjusting tightness are arranged on the surface of the telescopic supporting rods.

[0010] In a specific embodiment, the vertical distance between the pressure sensing module and the B fixed sheet is less than the maximum compression stroke of the spring, and the top of the pressure rod is aligned with the sensing area of the pressure sensing module.

[0011] In a specific embodiment, the control module is integrated with a wireless transmission unit, the buzzer warning lamp is provided with a waterproof coating and is fixed to the top side of the measuring cylinder by bolts.

[0012] Compared with the prior art, the utility model provides a kind of foundation pit dewatering well water level monitoring tool, with the following beneficial effects:

[0013] In the technical scheme disclosed by the utility model, the linkage design of the buoyancy disc and the warning assembly realizes the real-time alarm function of the foundation pit water level overrun, the buoyancy disc drives the sliding block to slide along the sliding groove with the water level rising, when the water level reaches the preset peak value, the sliding block drives the B fixed sheet to compress the spring, the pressure rod triggers the pressure sensing module, the control module starts the buzzer warning lamp alarm, the buoyancy disc rises and falls based on Archimedes principle, triggers the pressure sensing module electric signal by the sliding block mechanical transmission, realizes the conversion of physical water level change to electric signal, solves the problem that traditional monitoring tool cannot timely early warn water level peak value, improves the emergency response efficiency of construction personnel.

[0014] The transparent observation groove and the fluorescent coating are combined to realize the water level visualization monitoring function in low-light environment, the transparent observation groove displays the position of the buoyancy disc, and the fluorescent coating enhances the visibility of the scale, so that the problem of difficult water level data reading at night or in dim environment is solved, and the monitoring convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

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

[0017] Figure 2 It is the measuring cylinder structure schematic view of the utility model;

[0018] Figure 3 It is the buoyancy disc structure schematic view of the utility model;

[0019] Figure 4 It is the warning assembly structure schematic view of the utility model.

[0020] In the drawing: 1, measuring cylinder;2, sliding groove;3, sliding block;4, connecting rod;5, buoyancy disc;6, support frame;7, warning assembly;71, A fixed sheet;72, pressure sensing module;73, spring;74, B fixed sheet;75, pressing rod;76, control module;77, buzzer warning light;8, pulley;9, transparent observation slot;10, water level scale;11, connecting block;12, telescopic support rod;13, threaded cap. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0022] Figures 1-4 For an embodiment of the utility model, a foundation pit dewatering well water level monitoring tool, including measuring cylinder 1, the inside wall symmetry of measuring cylinder 1 is provided with sliding groove 2, sliding block 3 is connected in sliding mode inside sliding groove 2, connecting rod 4 is fixedly connected to the bottom of sliding block 3, buoyancy disc 5 is arranged at the bottom of connecting rod 4, support frame 6 is arranged at the top of measuring cylinder 1, and warning assembly 7 is arranged at the bottom of support frame 6.

[0023] The specific problem that the specific embodiment is aimed at is that when the water level of the foundation pit reaches the peak value with the increase of rainfall, the alarm cannot be sent in time, which causes the construction personnel to miss the best response time, and when detecting, the water level rise data cannot be understood in time.The utility model realizes the foundation pit water level overrun real-time alarm function through the linkage design of buoyancy disc 5 and warning assembly 7, buoyancy disc 5 drives sliding block 3 to slide along sliding groove 2 with the rise of water level, when the water level reaches the preset peak value, sliding block 3 drives B fixed sheet 74 to compress spring 73, pressing rod 75 triggers pressure sensing module 72, control module 76 starts buzzer warning light 77 alarm, buoyancy disc 5 rises and falls based on Archimedes principle, triggers pressure sensing module 72 electric signal through sliding block 3 mechanical transmission, realizes the conversion of physical water level change to electric signal, solves the problem that the traditional monitoring tool cannot timely early warning water level peak value, and improves the emergency response efficiency of construction personnel.

[0024] The warning assembly 7 comprises an A fixing sheet 71 at the bottom of the support frame 6, a pressure sensing module 72 is arranged at the bottom of the A fixing sheet 71, a spring 73 is arranged outside the pressure sensing module 72 at the bottom of the A fixing sheet 71, a B fixing sheet 74 is arranged at the bottom of the spring 73, a pressure rod 75 is arranged inside the spring 73 at the top of the B fixing sheet 74, the pressure sensing module 72 is electrically connected to a control module 76 through wires, the control module 76 is electrically connected to a buzzer warning lamp 77 through wires, in the specific embodiment, the measuring cylinder 1 is vertically installed at the top of the foundation pit, the buoyancy disc 5 is immersed in water and rises and falls with the water level to drive the sliding block 3 to slide up and down along the sliding groove 2, when the water level reaches the peak value, the B fixing sheet 74 at the top of the sliding block 3 contacts the spring 73 and is compressed, the pressure rod 75 triggers the pressure sensing module 72, the control module 76 starts the buzzer warning lamp 77 to issue an audible and light alarm, and the transparent observation slot 9 displays the water level scale 10 corresponding to the position of the buoyancy disc 5. The water level overrun is realized in real time by the linkage of the buoyancy mechanical transmission and the electronic alarm, the traditional monitoring lag problem is solved, and the construction emergency response efficiency is improved.

[0025] In the specific embodiment, pulleys 8 are arranged on both sides of the sliding block 3, the pulleys 8 are slidingly connected inside the sliding groove 2, the sliding groove 2 has a T-shaped cross section and the shape of the pulley 8 is adapted to the sliding groove 2;

[0026] The sliding groove 2 has a T-shaped cross section, the pulleys 8 on both sides of the sliding block 3 are embedded in the sliding groove 2 and roll, the surface of the pulley 8 is coated with lubricating grease to reduce friction resistance, so that the sliding block 3 stably rises and falls with the water level without jamming, the T-shaped sliding groove 2 and the pulley 8 roll together to reduce friction and ensure the accuracy of water level data collection, solving the problem of data distortion caused by mechanical jamming.

[0027] In the specific embodiment, a longitudinal transparent observation slot 9 is formed on the surface of the measuring cylinder 1, a water level scale 10 is arranged on one side of the transparent observation slot 9, and a fluorescent coating is coated on the inner wall of the transparent observation slot 9;

[0028] The transparent observation slot 9 is longitudinally formed on the measuring cylinder 1, the inner wall is sprayed with rare earth fluorescent powder to form a fluorescent coating, and the water level scale 10 is printed with night light paint, so that the water level scale 10 can emit light to display the water level value in the night or dim environment, the fluorescent coating and the night light scale cooperate to enhance the visibility in low light environment, solve the problem of difficult reading of monitoring data at night, and improve the all-weather monitoring capability.

[0029] In the specific embodiment, connecting blocks 11 are symmetrically arranged at the four corners of the outer wall of the measuring cylinder 1, telescopic supporting rods 12 are movably connected to the surfaces of the connecting blocks 11, and screw caps 13 for adjusting the tightness are arranged on the surfaces of the telescopic supporting rods 12;

[0030] The telescopic support rod 12 is hinged to the four corners of the measuring cylinder 1 through the connecting block 11, the length of the telescopic support rod 12 is adjusted to adapt to the edge terrain of the foundation pit, and then the threaded cap 13 is screwed to lock the position, so that the triangular support structure is formed to fix the measuring cylinder 1, the telescopic support rod 12 is suitable for different sizes of foundation pits, the threaded locking guarantees the installation stability, and the equipment inclination problem caused by complex terrain is solved.

[0031] In the embodiment, the vertical distance between the pressure sensing module 72 and the B fixed sheet 74 is less than the maximum compression stroke of the spring 73, and the top of the pressure rod 75 is aligned with the sensing area of the pressure sensing module 72.

[0032] The vertical distance between the pressure sensing module 72 and the B fixed sheet 74 is set to 80% of the maximum compression stroke of the spring 73, and the top of the pressure rod 75 is processed into a hemispherical contact point, which is accurately aligned with the sensing groove of the pressure sensing module 72, the distance and the contact point alignment design ensure the triggering reliability, solve the problem of false triggering or missing report, and improve the stability of the alarm system.

[0033] In the embodiment, the control module 76 is integrated with a wireless transmission unit, and the buzzer alarm lamp 77 is provided with a waterproof coating and is fixed to the top side of the measuring cylinder 1 by bolts.

[0034] The control module 76 is built-in NB-IoT wireless transmission unit, the buzzer alarm lamp 77 is sprayed with polyurethane waterproof coating and is fixed to the top side of the measuring cylinder 1 by waterproof bolts, the alarm signal is sent to the cloud platform at the same time, the wireless transmission expands the remote monitoring range, the waterproof design enhances the environmental tolerance of the equipment, and solves the problems of wired monitoring limitations and equipment vulnerability.

[0035] Working principle: when the water level of the foundation pit changes, the buoyancy disc 5 drives the sliding block 3 to slide along the sliding groove 2 of the measuring cylinder 1, the sliding block 3 rises to the preset height and pushes the B fixed sheet 74 to compress the spring 73, the pressure rod 75 triggers the pressure sensing module 72 to send a signal to the control module 76, the control module 76 starts the buzzer alarm lamp 77 and sends the water level data through the wireless transmission unit, at the same time, the fluorescent water level scale 10 of the transparent observation slot 9 displays the water level value in real time, the telescopic support rod 12 adjusts the position of the fixed measuring cylinder 1 through the threaded cap 13, and the pulley 8 rolls along the T-shaped sliding groove 2 to ensure the stable lifting of the sliding block 3.

[0036] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail.

[0037] It should be noted that, in this document, the terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements are not limited to those elements, but can include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A tool for monitoring the water level of a foundation pit dewatering well, comprising a measuring cylinder (1), characterized in that: The measuring cylinder (1) has symmetrically opened sliding grooves (2) on its inner sidewall. A slider (3) is slidably connected inside the sliding groove (2). A connecting rod (4) is fixedly connected to the bottom of the slider (3). A buoyancy plate (5) is provided at the bottom of the connecting rod (4). A support frame (6) is provided at the top of the measuring cylinder (1). A warning component (7) is provided at the bottom of the support frame (6). The warning component (7) includes an A fixing plate (71) at the bottom of the support frame (6), a pressure sensing module (72) is provided at the bottom of the A fixing plate (71), a spring (73) is provided at the bottom of the A fixing plate (71) outside the pressure sensing module (72), a B fixing plate (74) is provided at the bottom of the spring (73), and a pressure rod (75) is provided at the top of the B fixing plate (74) inside the spring (73). The pressure sensing module (72) is electrically connected to the control module (76) through a wire, and the control module (76) is electrically connected to the buzzer warning light (77) through a wire.

2. The tool for monitoring water level in foundation pit dewatering wells according to claim 1, characterized in that: The slider (3) is provided with pulleys (8) on both sides. The pulleys (8) are slidably connected to the inside of the groove (2). The groove (2) has a T-shaped cross section and the shape of the pulleys (8) is adapted to the groove (2).

3. The tool for monitoring water level in foundation pit dewatering wells according to claim 1, characterized in that: The measuring cylinder (1) has a longitudinal transparent observation groove (9) on its surface. A water level scale (10) is provided on one side of the transparent observation groove (9). The inner wall of the transparent observation groove (9) is coated with a fluorescent coating.

4. The tool for monitoring water level in foundation pit dewatering wells according to claim 1, characterized in that: Connecting blocks (11) are symmetrically arranged at the four corners of the outer wall of the measuring cylinder (1). Telescopic support rods (12) are movably connected to the surface of the connecting blocks (11). Threaded caps (13) for adjusting tightness are provided on the surface of the telescopic support rods (12).

5. The tool for monitoring water level in foundation pit dewatering wells according to claim 1, characterized in that: The vertical distance between the pressure sensing module (72) and the B fixing plate (74) is less than the maximum compression stroke of the spring (73), and the top of the pressure rod (75) is aligned with the sensing area of ​​the pressure sensing module (72).

6. The tool for monitoring water level in foundation pit dewatering wells according to claim 1, characterized in that: The control module (76) integrates a wireless transmission unit, and the surface of the buzzer warning light (77) is coated with a waterproof coating and is fixed to the top side of the measuring cylinder (1) by bolts.

Images