CN216050384U - Soil pressure gauge rapid arrangement device - Google Patents

Abstract

The utility model relates to the field of geotechnical engineering safety monitoring, and discloses a device for quickly arranging soil pressure meters, which comprises a soil pressure meter embedded on a vibrating wire type soil pressure tray, wherein the vibrating wire type soil pressure tray is fixed at the top end of a push rod of a soil pressure meter push mechanism, the soil pressure meter push mechanism is axially and horizontally fixed on a reinforcement cage of a ground diaphragm wall, an induction plate of the soil pressure meter faces a soil body outside the reinforcement cage, the soil pressure meter push mechanism is also connected with an external power mechanism, the push rod can horizontally push and extend towards the outside of the reinforcement cage after the power mechanism is started, so that the vibrating wire type soil pressure tray fixed with the soil pressure meter is pushed into the soil body outside the ground diaphragm wall, and a signal transmission cable of the soil pressure meter is led out of the ground diaphragm wall after being led into the ground diaphragm wall so as to be connected with an external vibrating wire type reading instrument. The device can be quickly arranged and installed to measure the soil pressure gauges on the two sides outside the diaphragm wall, and has the advantages of few required equipment parts, simple and quick installation, reliable operation, accurate soil pressure measurement and engineering cost saving.

Description

Soil pressure gauge rapid arrangement device

Technical Field

The utility model relates to the field of geotechnical engineering safety monitoring, in particular to a rapid arrangement device for soil pressure gauges for measuring soil pressure on two outer sides of an underground diaphragm wall.

Background

The soil pressure gauge is a sensor for monitoring soil body pressure in geotechnical engineering construction, has wide application field, is suitable for measuring soil body stress or concrete structure pressure, total pressure of filling and dam, contact pressure of concrete or steel structure surface, soil pressure on retaining wall, sprayed concrete lining stress and the like, plays an important role in geotechnical engineering safety monitoring, and has great significance for safe operation of buildings.

The installation of the soil pressure gauge requires that the soil pressure gauge be placed between the building and the soil body to be measured. At present, in the construction of an underground diaphragm wall, a soil pressure gauge is usually directly bound on a steel bar, and the pressure surface of the soil pressure gauge faces one side of a soil body to be measured, but when concrete pouring construction is carried out, the problem that concrete wraps a stress induction plate of the soil pressure gauge easily occurs, so that the measuring result of the soil pressure gauge is influenced; or drilling a hole outside the building enclosure, burying an earth pressure gauge, and filling a substance with the property basically consistent with that of the earth body into the hole to fill the gap. The arrangement and installation of the soil pressure gauge are time-consuming and labor-consuming, the installation process is complex, and the measurement result of the soil pressure gauge is inaccurate due to improper operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings in the prior art, the utility model provides the rapid arrangement device for the soil pressure meters, which can be used for rapidly arranging and installing the soil pressure meters for measuring the soil pressure on two sides outside the underground diaphragm wall, and has the advantages of few required equipment parts, simplicity and rapidness in installation, reliability in operation, accuracy in soil pressure measurement and engineering cost saving.

The above purpose of the utility model is realized by the following technical scheme:

soil pressure gauge arranges device fast, including the soil pressure gauge, the soil pressure gauge is inlayed and is established on being fixed in the string formula soil pressure tray that shakes, string formula soil pressure tray that shakes is fixed in soil pressure gauge push mechanism's push rod top, soil pressure gauge push mechanism axial level is fixed in on the underground continuous wall steel reinforcement cage, the tablet of induction of soil pressure gauge is in the soil body in the steel reinforcement cage outside, outside power unit is still connected to soil pressure gauge push mechanism, can make after the power unit starts the push rod level is to steel reinforcement cage outside top extension to in the soil body outside the underground continuous wall is pushed up to the string formula soil pressure tray top that shakes that will be fixed with the soil pressure gauge, the signal transmission cable of soil pressure gauge draws in the underground continuous wall after introducing the underground continuous wall in order to connect outside string formula reading appearance that shakes.

Preferably, the power mechanism is a self-absorption booster pump, the soil pressure gauge pushing mechanism is an aluminum alloy standard cylinder, the self-absorption booster pump is communicated with a water source and is communicated with a hydraulic cavity in the aluminum alloy standard cylinder through a high-pressure hose, and a piston rod of the aluminum alloy standard cylinder is the pushing rod.

Preferably, the aluminum alloy standard cylinder has cylindrical cylinder body, cylinder body both ends have square end cover, the water inlet in the interior hydraulic pressure chamber of intercommunication aluminum alloy standard cylinder is seted up to the bottom lateral wall of cylinder body, high-pressure hose one end is connected in water inlet, the other end and is connected in from inhaling the booster pump, the delivery port of intercommunication aluminum alloy standard cylinder cavity is seted up to the top lateral wall of cylinder body, the delivery port is connected with the drain pipe, is used for the water discharge with the infiltration cavity.

Preferably, the vibrating wire type soil pressure tray is fixed on the top end of a piston rod of the aluminum alloy standard cylinder through screws.

Preferably, the aluminum alloy standard cylinder is welded and fixed on the reinforcement cage.

Preferably, the aluminum alloy standard cylinder model is TSC40 × 250.

Preferably, the self-suction booster pump is MM-980A in model.

Preferably, the vibrating wire type reading instrument is of a model number of Zukang BGK-408.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

the utility model adopts the aluminum alloy standard cylinder as the soil pressure gauge pushing mechanism, adopts the self-absorption booster pump as the power mechanism, and adopts the high-pressure water as the boosting power, thereby being easy to obtain, convenient to use, safe and reliable; the whole device has few equipment parts, the aluminum alloy standard cylinder can be quickly arranged on the steel reinforcement cage, the arrangement of the soil pressure gauge is conveniently and quickly finished, the installation is simple and quick, the operation is reliable, the soil pressure measurement is accurate, and the engineering cost is favorably saved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of a rapid arrangement device for soil pressure gauges according to the embodiment;

FIG. 2 is a schematic view of an aluminum alloy standard cylinder top-pushing vibrating wire type earth pressure pallet and an earth pressure gauge in the present embodiment;

FIG. 3 is a top view of the soil pressure gauge and the vibrating wire soil pressure tray of the present embodiment;

in the figure: the soil pressure measuring device comprises a soil pressure gauge 1, a signal transmission cable 11, a vibrating wire type soil pressure tray 2, a vibrating wire type reading instrument 3, a self-absorption booster pump 4, an aluminum alloy standard cylinder 5, a piston rod 51, a water inlet 52, a water outlet 53, a high-pressure hose 6 and a water drainage pipe 7.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted;

in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the soil pressure gauge rapid arrangement device of this embodiment includes a soil pressure gauge 1, the soil pressure gauge is embedded and fixed on a vibrating wire type soil pressure tray 2 through screws, the vibrating wire type soil pressure tray is fixed on the top end of a push rod of a soil pressure gauge push mechanism, the soil pressure gauge push mechanism is axially and horizontally fixed on a reinforcement cage of an underground diaphragm wall (not shown in the figure), an induction plate of the soil pressure gauge 1 faces the soil body outside the reinforcement cage, the soil pressure gauge push mechanism is further connected with an external power mechanism, the power mechanism can make the push rod horizontally push to the outside of the reinforcement cage after being started, so as to push the vibrating wire type soil pressure tray 2 fixed with the soil pressure gauge 1 into the soil body outside the underground diaphragm wall, a signal transmission cable 11 of the soil pressure gauge 1 is led out from the underground diaphragm wall after being led into the underground diaphragm wall, For connection to an external vibrating wire reader 3.

Particularly preferably, in the embodiment, the power mechanism adopts a self-absorption booster pump 4 with the model of MM-980A, the soil pressure gauge pushing mechanism adopts an aluminum alloy standard cylinder 5 with the model of TSC40 × 250, the vibrating wire type reading instrument 3 is the model of Zukang BGK-408, and the high-pressure hose 6 is 8MM in pipe outer diameter and 5MM in pipe inner diameter. This from inhaling booster pump 4 intercommunication water source and through the hydraulic pressure chamber in the high-pressure hose 6 intercommunication aluminium alloy standard cylinder 5, the piston rod 51 of aluminium alloy standard cylinder be promptly the propelling movement pole, so, use from inhaling booster pump and water as the ejecting power drive of soil pressure gauge, promote the piston rod stretch out, with soil pressure meter and vibration wire formula soil pressure tray top push in the outer soil body of underground continuous wall, water easily acquires, and is with low costs, whole device convenient to use, safe and reliable. Furthermore, the aluminum alloy standard cylinder 5 is provided with a cylindrical cylinder body, square end covers are arranged at two ends of the cylinder body, a water inlet 52 communicated with a hydraulic cavity in the aluminum alloy standard cylinder is formed in the side wall of the bottom end of the cylinder body, one end of a high-pressure hose 6 is connected to the water inlet 52, and the other end of the high-pressure hose is connected to the self-priming booster pump 4; the water outlet 53 that communicates aluminum alloy standard jar inner cavity is seted up to the top lateral wall of cylinder body, and the water outlet is connected with the drain pipe 7 that is used for the log raft play of infiltration cavity, and high-pressure hose and drain pipe all arrange the direction along the steel reinforcement cage and place to wear out from underground continuous wall upper surface. Through field tests in laboratories and construction sites, after the self-absorption booster pump 4 absorbs water, water flows from top to bottom, potential energy is converted into kinetic energy, the flow of the water is increased, the vibrating wire type reading instrument 3 responds sensitively to the change of frequency, and soil pressure reading can be displayed quickly and accurately. In this embodiment, the vibrating wire type soil pressure tray 2 is fixed on the top end of the stainless steel piston rod 51 of the aluminum alloy standard cylinder 5 through screws, and the aluminum alloy standard cylinder is welded and fixed on the steel reinforcement cage, so that the installation is convenient.

When the device is used for laying soil pressure timing, firstly, an aluminum alloy standard cylinder 5 is fixedly welded on a steel reinforcement cage according to the position of a soil pressure gauge arranged on a design drawing, and a vibrating wire type soil pressure tray 2 is fixed at the top end of a piston rod 51 of the aluminum alloy standard cylinder by screws, so that a soil body facing the outer side of the steel reinforcement cage is ensured on one side for embedding and fixing the soil pressure gauge; embedding and sleeving the soil pressure gauge 1 into the vibrating wire type soil pressure tray 2, and fixing the soil pressure gauge by screws to ensure that an induction plate of the soil pressure gauge faces a soil body to be measured outside the steel reinforcement cage; the self-priming booster pump 4 is communicated with a water source, the self-priming booster pump 4 and the aluminum alloy standard cylinder 5 are connected through the high-pressure hose 6, the self-priming booster pump is started, a piston rod 51 of the aluminum alloy standard cylinder slowly extends out, the soil pressure gauge 1 and the vibrating wire type soil pressure tray 2 are pushed into a soil body on the outer side of the underground diaphragm wall, a signal transmission cable 11 of the soil pressure gauge 1 is led into the underground diaphragm wall and then led out from the inside of the underground diaphragm wall, so that the external vibrating wire type reading instrument 3 can be connected, data are collected through the vibrating wire type reading instrument, and therefore monitoring of soil pressure on the outer side of the underground diaphragm wall can be achieved. The whole device has few equipment parts, simple and quick installation, reliable operation and accurate soil pressure measurement, and is favorable for saving engineering cost.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be considered to be equivalent or modified within the technical scope of the present invention.

Claims (8)

1. Soil pressure gauge arranges device fast, including the soil pressure gauge, its characterized in that, the soil pressure gauge is inlayed and is established on being fixed in string formula soil pressure tray that shakes, string formula soil pressure tray is fixed in soil pressure gauge push mechanism's push rod top, soil pressure gauge push mechanism axial level is fixed in on the underground continuous wall steel reinforcement cage, the induction plate of soil pressure gauge is facing the soil body in the steel reinforcement cage outside, outside power unit is still connected to soil pressure gauge push mechanism, can make after power unit starts the push rod level is to the steel reinforcement cage outside top extension to in the soil body outside the underground continuous wall is pushed up to the string formula soil pressure tray that shakes that will be fixed with soil pressure gauge, the signal transmission cable of soil pressure gauge draws in the underground continuous wall after introducing the underground continuous wall, so that connect outside string formula reading appearance that shakes.

2. The device for rapidly arranging the soil pressure gauges is characterized in that the power mechanism is a self-absorption booster pump, the soil pressure gauge pushing mechanism is an aluminum alloy standard cylinder, the self-absorption booster pump is communicated with a water source and is communicated with a hydraulic cavity in the aluminum alloy standard cylinder through a high-pressure hose, and a piston rod of the aluminum alloy standard cylinder is the pushing rod.

3. The soil pressure gauge rapid arrangement device according to claim 2, wherein the aluminum alloy standard cylinder has a cylindrical cylinder body, square end covers are arranged at two ends of the cylinder body, a water inlet communicated with a hydraulic cavity in the aluminum alloy standard cylinder is formed in the side wall of the bottom end of the cylinder body, one end of the high-pressure hose is connected to the water inlet, the other end of the high-pressure hose is connected to the self-absorption booster pump, a water outlet communicated with a cavity in the aluminum alloy standard cylinder is formed in the side wall of the top end of the cylinder body, and the water outlet is connected with a water drainage pipe and used for discharging water permeating into the cavity.

4. The device for rapidly arranging the soil pressure gauges, according to claim 2, is characterized in that the vibrating wire type soil pressure tray is fixed on the top end of a piston rod of an aluminum alloy standard cylinder through a screw.

5. The rapid arrangement device of soil pressure gauges according to claim 2, characterized in that the aluminum alloy standard cylinder is welded and fixed on the reinforcement cage.

6. The earth pressure gauge rapid deployment device of claim 2 wherein said aluminum alloy master cylinder is TSC40 x 250.

7. The soil pressure gauge rapid arrangement device according to claim 2, wherein the self-priming booster pump is of the MM-980A type.

8. The apparatus of claim 1, wherein the vibrating wire reading gauge is of the type known as "kong BGK-408".

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