CN210460639U

CN210460639U - Automatic measuring device of engineering geology reconnaissance drilling water level

Info

Publication number: CN210460639U
Application number: CN201921351173.2U
Authority: CN
Inventors: 王希科; 王江涛; 罗凯; 魏厚峰; 孟令智
Original assignee: TIANJIN WATER RESOURCES SURVEY AND DESIGN INSTITUTE
Current assignee: Tianjin Water Planning Survey and Design Co., Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-05
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an automatic measuring device of engineering geology reconnaissance drilling water level, including built-in motorized pulley and the winding that has the motor cable conductor on the motorized pulley, motorized pulley installs in the backup pad, install meter rice ware pulley in the backup pad, the end-to-end connection test probe of cable conductor, install the control box on the mounting panel that the upper end of a backup pad of motorized pulley is connected, install meter rice ware on the control box. The utility model discloses can realize detecting the drilling water level, and measure fairly accurately, facilitate the use, have important realistic meaning.

Description

Automatic measuring device of engineering geology reconnaissance drilling water level

Technical Field

The utility model relates to an engineering geology reconnaissance technical field especially relates to an engineering geology reconnaissance drilling water level automatic measuring device.

Background

In the prior art, a drilling water level measuring device is generally used for monitoring the water level depth of drilling underground water. In the prior art, a water level measuring device mainly uses a tape measure or a tape measure for measurement. The measuring device consists of a lead weight and a measuring tape. The water surface is judged by the sound generated when the lead weight is contacted with the water surface, and the water depth is judged by reading the reading of the measuring tape. The device is greatly influenced by human factors due to the measuring datum plane, has poor measuring effect and is heavy, the operation is inconvenient, the obtained data has large error, and the water level is inconvenient to be measured for multiple times in a short time and monitored for a long time. Particularly, the requirement of accurate measurement can hardly be met for some projects with high hydrogeological test precision requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an engineering geology reconnaissance drilling water level automatic measuring device to the technical defect who exists among the prior art.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides an engineering geology reconnaissance drilling water level automatic measuring device, is including built-in motorized pulley and the winding that has the motor cable conductor on the motorized pulley, motorized pulley installs in the backup pad, install meter rice ware pulley in the backup pad, the end-to-end connection test probe of cable conductor, install the control box on the mounting panel that the upper end of a backup pad of motorized pulley is connected, install meter rice ware on the control box.

Wherein, install control switch on the control box, there is control circuit inside, control circuit is including being used for motor power supply control's first circuit to and be used for the second circuit of warning suggestion and be used for the third circuit that switches on when detecting probe detects water, when the third circuit switches on, first circuit disconnection, the second circuit switches on simultaneously.

The first circuit comprises a first power supply, the first power supply is connected with a motor and a meter counter which are connected in parallel in the circuit through a switch, and the other ends of resistors connected with the motor and the meter counter are connected in parallel and then connected with an iron sheet of an electromagnet; the coil of the electromagnet is connected with a third power supply of a third circuit through a detection probe, the second circuit comprises a light-emitting diode and a buzzer, and the light-emitting diode and the buzzer are powered by the third power supply and are connected in series.

Wherein the disconnected end of the third circuit is connected below the iron sheet of the electromagnet.

The utility model discloses can realize detecting the drilling water level, and measure fairly accurately, facilitate the use, have important realistic meaning.

Drawings

FIG. 1 is a diagram of the automatic measuring device for engineering geological exploration drilling water level of the present invention;

FIG. 2 is a schematic circuit diagram;

FIG. 3 shows a right side view of the spool;

FIG. 4 is a schematic view of a conductive structure on a bobbin;

FIG. 5 is a schematic view of a test probe;

FIG. 6 is a schematic view of another inspection probe.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the utility model discloses engineering geology reconnaissance drilling water level automatic measuring device, including built-in motor M's motorized pulley 2, and the winding is in last spool 10 cable conductor 14 of motorized pulley, motorized pulley installs on two mutual disposition's the backup pad 3 of fixing on supporting shoe 9, install meter rice ware pulley 5 in the backup pad 1, install the photoelectric encoder 8 that meter rice was used on the support of meter rice ware pulley, the end-to-end connection test probe 7 of cable conductor 14, install control box 4 on the mounting panel of the upper end connection of a backup pad of motorized pulley, install meter rice ware JM on the control box, wherein motor M's control line 12 is drawn forth outside motorized pulley 2, then is connected with the switch.

Wherein, install control switch S on the control box, there is control circuit inside, control circuit is including being used for motor power supply control' S first circuit to and be used for the second circuit of warning suggestion and be used for the third circuit that switches on when detecting probe detects water, when the third circuit switches on, first circuit disconnection, the second circuit switches on simultaneously.

The first circuit comprises a first power supply E2, the first power supply E2 is connected with a motor M and a meter JM which are connected in parallel in the circuit through a double-pole double-throw switch S, and the other end of a resistor R (a current-limiting resistor, the resistance of which is selected according to the current-limiting requirement of the meter) connected with the motor and the meter is connected with an iron sheet of a rear electromagnet JD in parallel; the coil of the electromagnet is connected with a third power supply E1 of a third circuit through a detection probe on a cable, the second circuit comprises a light-emitting diode VL and a buzzer BL which are powered by a second power supply E3, and the light-emitting diode and the buzzer are connected in series.

In the utility model, the right side surface of the bobbin is embedded with a conductive structure 112 which is an arc surface structure, the copper electrode rods 111 which are just corresponding to the arc-shaped surfaces are connected in a contact way as shown in figure 4, the two electrode rods are respectively a positive electrode rod and a negative electrode rod, the two electrode rods are formed in an insulating material by injection molding, are arranged in the supporting plate 3, the rear end of the conductive structure extends out of the support plate 3 and is connected with a lead 13, the lead 13 is connected with a coil of the electromagnet, the conductive structure 112 is made of copper, the left end of the conductive structure is connected with a wiring terminal 113, the wiring terminal is provided with a wiring groove 114, is used for inserting two wires at the other end of the cable wire on the spool and then pressing the two wires by the locking bolt 115 to realize the electric connection with the conductive structure, through foretell scheme, realized the electric connection of cable on the spool and electric cabinet, do not influence the rotation of spool, the connection structure of the cable conductor of simplification.

The detection probe is a structure of the prior art, and comprises a hollow insulating material cone-shaped cover 70 for fixing an electrode, and a positive electrode lug 72 arranged at the bottom of the cone-shaped cover, the positive electrode lug is fixed on the inner surface of a bottom circle 721 of the cone-shaped cover, a negative electrode lug 71 is fixed on a balancing weight 714, a wire outlet is formed at the upper end of the cone-shaped cover for leading out a connected cable 14, and other available detection probes can be adopted, which is only an example and not used for limiting the structure of the probe of the present invention, or two detection rods are respectively connected with corresponding cables 14 and are arranged at intervals on a fixing plate, as shown in fig. 6, two conductive rod-shaped bodies are adopted as a positive electrode rod 73 and a negative electrode rod 74 respectively, are arranged on an insulating plate 75, an insulating protective cover 76 is arranged at the upper end of the insulating plate, and the upper end of the electrode rod is covered, and the cable 14 is connected with the upper end of the electrode rod, extends out of the upper end of the protective cover, and is sealed at the position of the extending hole, and the two electrodes are conducted through water.

When the water level of a drilling hole is measured, the double-pole double-throw switch S is pushed downwards to connect the touch points 2 and 3, at the moment, the first circuit is connected, the motor starts to rotate in the forward direction, the electric roller rotates, the cable is put down, the meter counter pulley rotates, the display of the meter counter generates a reading, and the length of the cable is represented.

When the probe is immersed in the water surface and the positive electrode lug is also immersed in the water surface, the third circuit is connected due to water conduction, so that a loop is formed and current is generated. Electromagnetic induction takes place for relay JD, and the electro-magnet will connect the electric catch to inhale down in the relay, and first circuit opens circuit, and the motor stop motion, meter rice ware reading no longer increases. And recording the number of meters at the moment, namely the water level depth. Meanwhile, the second circuit forms a passage, the buzzer BL sounds, the light-emitting diode BL lights up, and a recorder is reminded to record the reading of the meter counter display.

The double-pole double-throw switch S is pushed upwards to be connected with the touch points 1 and 2, the first circuit forms a channel, the motor starts to rotate reversely to drive the electric roller to withdraw the cable, and a measurement task is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an engineering geology reconnaissance drilling water level automatic measuring device, its characterized in that, including built-in motorized pulley and the winding that has the motor cable conductor on the motorized pulley, motorized pulley installs in the backup pad, install meter rice ware pulley in the backup pad, the end-to-end connection test probe of cable conductor, install the control box on the mounting panel that the upper end of a backup pad of motorized pulley is connected, install meter rice ware on the control box.

2. The apparatus of claim 1, wherein the control box has a control switch and a control circuit therein, the control circuit comprises a first circuit for controlling the power supply of the motor, a second circuit for alarming and prompting, and a third circuit for turning on the detection probe when detecting water, when the third circuit is turned on, the first circuit is turned off, and the second circuit is turned on at the same time.

3. The automatic measuring device for the water level of the engineering geological exploration drilling hole as claimed in claim 2, wherein the first circuit comprises a first power supply, the first power supply is connected with a motor and a meter counter which are connected in parallel in the circuit through a switch, and the other ends of resistors connected with the motor and the meter counter are connected in parallel with an iron sheet of the electromagnet; the coil of the electromagnet is connected with a third power supply of a third circuit through a detection probe, the second circuit comprises a light-emitting diode and a buzzer, and the light-emitting diode and the buzzer are powered by the third power supply and are connected in series.

4. The apparatus of claim 3, wherein the open end of the third circuit is connected to the position below the iron plate of the electromagnet.