Precise monitoring device for water level of foundation pit

Abstract

The utility model relates to the technical field of water level monitoring, and discloses a foundation pit water level accurate monitoring device which comprises a mounting frame, a connecting shaft is rotatably connected to the outer bottom end of the mounting frame, a placing roller is fixedly connected to the outer portion of the connecting shaft, and a rotating handle is fixedly connected to the right side of the outer portion of the connecting shaft. Spacing adjusting mechanisms are fixedly connected to the front side and the rear side of the outer bottom end of the mounting frame, a traction rope is arranged outside the placement roller, a dismounting and mounting mechanism is fixedly connected to the bottom of the traction rope, and each spacing adjusting mechanism comprises a mounting rod. According to the device, supporting legs can be pulled to drive a sliding plate to slide in a cavity, when the device is adjusted to a proper position, a rotating clamping plate is loosened to enable a reset spring to rebound, and then the rotating clamping plate can drive a positioning clamping rod to be clamped with the sliding plate; and therefore, the external distance of the supporting legs can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to water level monitoring technical field especially relates to foundation pit water level accurate monitoring device. BACKGROUND

[0002] The foundation pit water level accurate monitoring device is widely used in the foundation pit construction scene of various building projects, municipal projects, water conservancy projects and the like. In high-rise building construction, it can monitor the change of deep foundation pit underground water level in real time, avoids the collapse of the foundation pit caused by abnormal water level, and can find water level fluctuation in time when the subway tunnel is excavated, thereby ensuring the safety of construction personnel and the smooth progress of the project.

[0003] In the prior art, the water supply pipe of part of the foundation pit water level accurate monitoring device is mainly used for transmitting water source or calibration liquid for monitoring, and the working principle is based on fluid static pressure and closed loop control. One end of the water supply pipe is connected with the water source, the other end is connected with the monitoring probe or the calibration unit, and stable water flow is provided through the micro water pump or gravity flow. The pressure sensor and the electromagnetic valve are installed on the pipeline to monitor the water supply pressure and flow in real time.

[0004] However, in the specific use process, the space conditions of different regions of the foundation pit edge cannot be flexibly adjusted according to the space conditions of different regions of the foundation pit edge, so that the device is difficult to install in a complex site. For example, when there are pipelines, pile bodies and the like obstacles at the edge of the foundation pit, the support legs with fixed spacing may be forced to give up the ideal installation position due to the inability to avoid the obstacles, thereby affecting the monitoring accuracy. In view of the above problems, the foundation pit water level accurate monitoring device is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a foundation pit water level accurate monitoring device, which aims at improving the problem that part of the foundation pit water level accurate monitoring device in the prior art cannot adjust the spacing of the support legs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The foundation pit water level accurate monitoring device comprises a mounting frame, a connecting shaft is rotatably connected to the outer bottom end of the mounting frame, a placing roller is fixedly connected to the outer side of the connecting shaft, a rotating handle is fixedly connected to the outer right side of the connecting shaft, spacing adjustment mechanisms are fixedly connected to the outer bottom end of the mounting frame on the left and right sides, a traction rope is arranged on the outside of the placing roller, and a dismounting mechanism is fixedly connected to the bottom of the traction rope.

[0008] The spacing adjusting mechanism comprises a mounting rod, the outer part of which is fixedly connected to the bottom of the mounting frame, a support plate is fixedly connected to the outer part of the mounting rod, a cavity is formed in the inner part of the support plate, a limiting plate is slidably connected to the inner part of the cavity, a sliding plate is fixedly connected to the outer part of the limiting plate, a support leg is fixedly connected to the outer part of the sliding plate, and a clamping assembly is fixedly connected to the outer bottom end of the support plate.

[0009] As a further description of the above technical solution:

[0010] The clamping assembly comprises an extension frame, the outer part of which is fixedly connected to the outer bottom end of the support plate, a fixed shaft is fixedly connected to the inner part of the extension frame, a rotating clamping plate is rotatably connected to the outer part of the fixed shaft, a plurality of telescopic rods I are fixedly connected to the outer part of the rotating clamping plate, a return spring is sleeved on the outer part of the telescopic rod I, a positioning clamping rod is fixedly connected to the outer top end of the rotating clamping plate, a limiting clamping rod is slidably connected to the outer part of the positioning clamping rod, and a display screen is fixedly connected to the outer left side of the mounting frame.

[0011] As a further description of the above technical solution:

[0012] The dismounting mechanism comprises a mounting top plate, the outer part of which is fixedly connected to the outer bottom end of the traction rope, a sliding pull rod is slidably connected to each corner of the outer part of the mounting top plate, a connecting frame is fixedly connected to the outer bottom end of the sliding pull rod, a rotating plate is rotatably connected to the outer part of the connecting frame, an adapter frame is rotatably connected to the other end of the rotating plate, and a sliding clamping rod is fixedly connected to the outer part of the adapter frame.

[0013] As a further description of the above technical solution:

[0014] A telescopic rod II is fixedly connected to the inner part of the mounting top plate, and a mounting spring is sleeved on the outer part of the telescopic rod II.

[0015] As a further description of the above technical solution:

[0016] The outer part of the telescopic rod II is fixedly connected to the outer top end of the sliding clamping rod, the outer part of the sliding clamping rod is slidably connected to the inner part of the mounting top plate, and a water level gauge through-hole shell is fixedly connected to the bottom of the mounting top plate.

[0017] As a further description of the above technical solution:

[0018] A mounting plate is fixedly connected to each corner of the inner part of the water level gauge through-hole shell, and the outer part of the sliding clamping rod is clamped with the inner part of the mounting plate.

[0019] As a further description of the above technical solution:

[0020] The water level gauge is fixedly connected inside the water level gauge through-hole shell, and the outer top end of the water level gauge is fixedly connected to the outer bottom end of the traction rope.

[0021] As a further description of the above technical solutions:

[0022] One end of the telescopic rod one is fixedly connected to the outer bottom end of the supporting plate, and the other end of the telescopic rod one is fixedly connected to the outer top end of the rotating clamping plate.

[0023] The utility model has the advantages of the following beneficial effects:

[0024] 1、The utility model discloses, can pull the supporting leg in turn, make the supporting leg drive the sliding plate to slide in the inside of the cavity, when adjusting to the suitable position, through the loosening rotating clamping plate, make the reset spring rebound, can make the rotating clamping plate drive the positioning clamping rod and the sliding plate and be clamped tightly in turn, can realize the length adjustment of the outside of the supporting leg in turn.

[0025] 2、The utility model discloses, can make the mounting spring of telescopic rod two outside deformation in turn, make the sliding clamping rod and the mounting plate inside water level gauge through -hole shell separate, when cleaning water level gauge through -hole shell is completed, through the loosening sliding pull rod, make the mounting spring rebound, can make the sliding clamping rod can be clamped tightly with the inside of mounting plate in turn, can realize the installation of water level gauge through -hole shell in turn. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three -dimensional schematic view of the foundation pit water level precision monitoring device that the utility model proposes;

[0027] Figure 2 It is the structural schematic diagram of the supporting leg of the foundation pit water level precision monitoring device that the utility model proposes;

[0028] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0029] Figure 4 It is the structural schematic diagram of the traction rope of the foundation pit water level precision monitoring device that the utility model proposes;

[0030] Figure 5 It is the structural schematic diagram of the through -hole shell of the foundation pit water level precision monitoring device that the utility model proposes.

[0031] LEGEND:

[0032] 1, mounting frame; 2, placed cylinder; 3, rotating handle; 4, connecting shaft; 5, display screen; 6, mounting rod; 7, support plate; 8, cavity; 9, limiting plate; 10, sliding plate; 11, extension frame; 12, fixed shaft; 13, rotating clamping plate; 14, telescopic rod one; 15, return spring; 16, limiting clamping rod; 17, supporting leg; 18, positioning clamping rod; 19, traction rope; 20, mounting top plate; 21, water level meter through hole shell; 22, sliding pull rod; 23, connecting frame; 24, rotating plate; 25, link frame; 26, sliding clamping rod; 27, mounting plate; 28, telescopic rod two; 29, mounting spring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Referring to Figures 1 to 3 , the utility model provides an embodiment: foundation pit water level accurate monitoring device, including mounting frame 1, mounting frame 1 is as the foundation pit water level accurate monitoring device's basic support component, with good corrosion resistance and mechanical strength, can adapt to the complex environment of foundation pit, the outside bottom end of mounting frame 1 is rotatably connected with connecting shaft 4, and connecting shaft 4 plays a key role in connecting and transmitting power in the device, and the rotating force of rotating handle 3 is transmitted to placed cylinder 2, realizing the operation of traction rope 19, and the outside fixed connection of connecting shaft 4 has placed cylinder 2, under the drive of rotating handle 3, placed cylinder 2 can rotate, realizes the winding or release of traction rope 19, thereby controlling the lifting of monitoring probe, so that it can accurately reach the water level position of different depths of foundation pit and monitor, the outside right side of connecting shaft 4 is fixedly connected with rotating handle 3, through rotating handle 3, operating personnel can easily drive connecting shaft 4 and placed cylinder 2 to rotate, realize the manual control of traction rope 19 and monitoring probe, and the outside bottom end of mounting frame 1 is fixedly connected with spacing adjustment mechanism on both sides, and the outside of placed cylinder 2 is provided with traction rope 19, traction rope 19 adopts high-strength wear-resistant steel wire rope or special fiber rope, has enough tensile strength and flexibility, can bear the weight of monitoring probe and dismounting mechanism, and is not easy to break or wear during the operation of placed cylinder 2.

[0035] The bottom of the traction rope 19 is fixedly connected with a dismounting mechanism. The dismounting mechanism comprises a mounting top plate 20. A plurality of mounting holes and a sliding groove are formed in the mounting top plate 20. The mounting holes are used for fixedly connecting with the traction rope 19. The mounting top plate 20 is fixedly connected to the outer bottom end of the traction rope 19. A sliding pull rod 22 is slidingly connected to the outer four corners of the mounting top plate 20. When the sliding pull rod 22 slides up and down on the mounting top plate 20, the sliding pull rod 22 can drive a connecting frame 23 and subsequent components to move correspondingly, so that the function switching of the dismounting mechanism is realized. When the monitoring probe is mounted or dismounted, the position and state of the connecting frame 23 are controlled through the movement of the sliding pull rod 22. The outer bottom end of the sliding pull rod 22 is fixedly connected with the connecting frame 23. A rotating plate 24 is rotatably connected to the outer side of the connecting frame 23. When the monitoring probe is dismounted, the rotating movement of the rotating plate 24 can make the sliding clamping rod 26 accurately cooperate with the clamping groove or the interface of the monitoring probe, so that the monitoring probe can be quickly mounted and dismounted. The other end of the rotating plate 24 is rotatably connected with a connecting frame 25. The connecting frame 25 is fixedly connected with the sliding clamping rod 26. The sliding clamping rod 26 slides forward and is inserted into the clamping groove or the interface of the monitoring probe, so that the monitoring probe is fixed. When the monitoring probe needs to be dismounted, the sliding clamping rod 26 slides backward and is separated from the clamping groove or the interface of the monitoring probe, so that the monitoring probe can be smoothly taken off, and the installation, maintenance and replacement of the monitoring probe are facilitated.

[0036] The distance adjusting mechanism comprises a mounting rod 6, which keeps the support plate 7 and the mounting frame 1 at a proper distance to avoid interference between components. The mounting rod 6 is fixedly connected to the bottom of the mounting frame 1 on the outer bottom end of the front and rear sides. The mounting rod 6 is fixedly connected with the support plate 7 to provide a stable support platform for the entire distance adjusting mechanism. The inside of the support plate 7 is provided with a cavity 8. The inside of the cavity 8 is precisely processed to ensure that the limiting plate 9 can smoothly slide in the cavity. The inside of the cavity 8 is slidingly connected with the limiting plate 9. The outside of the limiting plate 9 is fixedly connected with a sliding plate 10. The bottom of the supporting leg is provided with an anti-skid rubber pad. The surface of the rubber pad is provided with a tooth-shaped pattern, which can effectively prevent the monitoring device from sliding on the foundation pit side. The outside of the sliding plate 10 is fixedly connected with a supporting leg 17. The outer bottom end of the support plate 7 is fixedly connected with a clamping assembly. The clamping assembly comprises an extension frame 11. The extension frame 11 provides a mounting basis for the fixed shaft 12 and the rotating clamping plate 13, and transmits the acting force of the clamping assembly to the support plate 7. The outside of the extension frame 11 is fixedly connected to the outer bottom end of the support plate 7.

[0037] The inside of the extension frame 11 is fixedly connected with a fixed shaft 12, the two ends of the fixed shaft 12 are axially positioned by a snap spring, which ensures that the rotating clamping plate 13 can rotate flexibly on the fixed shaft 12, while preventing the fixed shaft 12 from axially moving, the outside of the fixed shaft 12 is rotatably connected with the rotating clamping plate 13, which is used to enhance the friction with the edge of the foundation pit, the outside of the rotating clamping plate 13 is fixedly connected with a plurality of telescopic rods I 14, when the rotating clamping plate 13 is forced to rotate, the telescopic rods I 14 will be compressed, the reset spring 15 stores elastic potential energy, when the external force disappears, the reset spring 15 releases the potential energy, pushing the rotating clamping plate 13 to reset, the outside of the telescopic rods I 14 is sleeved with the reset spring 15, the outside top end of the rotating clamping plate 13 is fixedly connected with the positioning clamping rod 18, the outside of the positioning clamping rod 18 is slidably connected with the limiting clamping rod 16, the outside left side of the mounting frame 1 is fixedly connected with the display screen 5, the display screen 5 adopts an industrial-grade touch liquid crystal display screen 5, which can adapt to the harsh environmental conditions of the foundation pit;

[0038] Referring to Figures 3 to 5 The inside of the mounting top plate 20 is fixedly connected with telescopic rods II 28, which provide adjustable elastic connection for the sliding clamping rod 26, when installing or disassembling the water level gauge, the telescopic rods II 28 can be extended and retracted to buffer, and the mounting spring 29 assists the sliding clamping rod 26 to reset, ensuring smooth and stable disassembly and assembly operation, the outside of the telescopic rods II 28 is sleeved with the mounting spring 29, which is slid up and down to cooperate with the mounting plate 27 to realize clamping and releasing of the water level gauge, and is a key executive component for realizing the function of the disassembly mechanism, the outside of the telescopic rods II 28 is fixedly connected to the outside top end of the sliding clamping rod 26, the outside of the sliding clamping rod 26 is slidably connected to the inside of the mounting top plate 20, the bottom of the mounting top plate 20 is fixedly connected with a water level gauge through-hole shell 21, the inside of the water level gauge through-hole shell 21 is fixedly connected with mounting plates 27 at four corners through welding, the welding points are detected to ensure firm and reliable connection, the shell provides a protection space for the water level gauge, and the internal structure provides support for installation and fixation of the water level gauge;

[0039] The inside of the water level gauge through-hole shell 21 is fixedly connected with mounting plates 27 at four corners, when the sliding clamping rod 26 slides downward, the clamping head is clamped with the clamping groove of the mounting plate 27, firmly fixing the water level gauge in the water level gauge through-hole shell 21; sliding upward can release the clamping state, facilitating disassembly and maintenance of the water level gauge, the outside of the sliding clamping rod 26 is clamped with the inside of the mounting plate 27, the inside of the water level gauge through-hole shell 21 is fixedly connected with a water level gauge, which accurately measures the water level height by transmitting and receiving ultrasonic signals, and transmits data to the monitoring system, and is a core component for realizing accurate monitoring of the foundation pit water level, the outside top end of the water level gauge is fixedly connected to the outside bottom end of the traction rope 19, one end of the telescopic rods I 14 is fixedly connected to the outside bottom end of the support plate 7, and the other end of the telescopic rods I 14 is fixedly connected to the outside top end of the rotating clamping plate 13.

[0040] Working principle: when the length of the supporting leg 17 is adjusted, the rotating clamping plate 13 is pressed to extrude the telescopic rod I 14, and then the reset spring 15 outside the telescopic rod I 14 is deformed, and then the rotating clamping plate 13 drives the positioning clamping rod 18 to separate from the sliding plate 10, and then the supporting leg 17 is pulled to drive the sliding plate 10 to slide in the cavity 8, when the appropriate position is adjusted, the rotating clamping plate 13 is loosened, the reset spring 15 is rebounded, and then the rotating clamping plate 13 drives the positioning clamping rod 18 to be clamped with the sliding plate 10, and then the length of the supporting leg 17 is adjusted;

[0041] When the water level gauge through-hole shell 21 is disassembled, the sliding pull rod 22 is pulled, and under the action of the sliding pull rod 22, the sliding pull rod 22 drives the rotating plate 24 to rotate through the connecting frame 23, and under the action of the rotating plate 24, the rotating plate 24 drives the connecting frame 25 to rotate, and then the connecting frame 25 extrudes the telescopic rod II 28 through the sliding clamping rod 26, and then the installation spring 29 outside the telescopic rod II 28 is deformed, so that the sliding clamping rod 26 is separated from the mounting plate 27 inside the water level gauge through-hole shell 21, when the water level gauge through-hole shell 21 is cleaned, the sliding pull rod 22 is loosened, the installation spring 29 is rebounded, and then the sliding clamping rod 26 can be clamped with the inside of the mounting plate 27, and then the water level gauge through-hole shell 21 is installed.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A precise monitoring device for foundation pit water level, characterized in that: The mounting bracket (1) is rotatably connected to the bottom of the mounting bracket (1), a placement roller (2) is fixedly connected to the outside of the connection shaft (4), a rotating handle (3) is fixedly connected to the right side of the outside of the connection shaft (4), a spacing adjustment mechanism is fixedly connected to both the front and rear sides of the bottom of the mounting bracket (1), a traction rope (19) is provided on the outside of the placement roller (2), and a disassembly and assembly mechanism is fixedly connected to the bottom of the traction rope (19). The spacing adjustment mechanism includes a mounting rod (6), which is externally fixedly connected to the front and rear sides of the bottom outer end of the mounting frame (1). A support plate (7) is externally fixedly connected to the mounting rod (6). A cavity (8) is opened inside the support plate (7). A limit plate (9) is slidably connected inside the cavity (8). A sliding plate (10) is externally fixedly connected to the limit plate (9). A support leg (17) is externally fixedly connected to the sliding plate (10). A clamping assembly is fixedly connected to the bottom outer end of the support plate (7).

2. The precise monitoring device for foundation pit water level according to claim 1, characterized in that: The clamping assembly includes an extension frame (11), which is externally fixedly connected to the bottom of the support plate (7). A fixed shaft (12) is fixedly connected inside the extension frame (11). A rotating plate (13) is rotatably connected to the outside of the fixed shaft (12). A plurality of telescopic rods (14) are fixedly connected to the outside of the rotating plate (13). A return spring (15) is sleeved on the outside of the telescopic rods (14). A positioning rod (18) is fixedly connected to the top of the rotating plate (13). A limit rod (16) is slidably connected to the outside of the positioning rod (18). A display screen (5) is fixedly connected to the left side of the mounting frame (1).

3. The precise monitoring device for foundation pit water level according to claim 1, characterized in that: The disassembly and assembly mechanism includes a mounting top plate (20), which is externally fixedly connected to the bottom of the traction rope (19). Sliding pull rods (22) are slidably connected to the four corners of the mounting top plate (20). A connecting frame (23) is fixedly connected to the bottom of the sliding pull rod (22). A rotating plate (24) is rotatably connected to the outside of the connecting frame (23). A connecting frame (25) is rotatably connected to the other end of the rotating plate (24). A sliding clamp rod (26) is fixedly connected to the outside of the connecting frame (25).

4. The precise monitoring device for foundation pit water level according to claim 3, characterized in that: The mounting top plate (20) is internally fixedly connected to a telescopic rod two (28), and the telescopic rod two (28) is externally fitted with a mounting spring (29).

5. The precise monitoring device for foundation pit water level according to claim 4, characterized in that: The telescopic rod 2 (28) is externally fixedly connected to the outer top of the sliding rod (26), the sliding rod (26) is externally slidably connected to the inside of the mounting top plate (20), and the bottom of the mounting top plate (20) is fixedly connected to the water level gauge through hole housing (21).

6. The precise monitoring device for foundation pit water level according to claim 5, characterized in that: The four corners of the water level gauge through-hole housing (21) are fixedly connected to mounting plates (27), and the outside of the sliding rod (26) is locked to the inside of the mounting plate (27).

7. The precise monitoring device for foundation pit water level according to claim 5, characterized in that: A water level gauge is fixedly connected inside the water level gauge through-hole housing (21), and the top of the water level gauge is fixedly connected to the bottom of the traction rope (19).

8. The precise monitoring device for foundation pit water level according to claim 2, characterized in that: One end of the telescopic rod (14) is fixedly connected to the bottom outer end of the support plate (7), and the other end of the telescopic rod (14) is fixedly connected to the top outer end of the rotating plate (13).

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