CN219570073U - Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC - Google Patents

Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC Download PDF

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Publication number
CN219570073U
CN219570073U CN202320111002.2U CN202320111002U CN219570073U CN 219570073 U CN219570073 U CN 219570073U CN 202320111002 U CN202320111002 U CN 202320111002U CN 219570073 U CN219570073 U CN 219570073U
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hydraulic oil
oil
plc
drilling machine
sensor
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农崇瀚
杨明悦
郭鑫
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Sichuan University
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Sichuan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model discloses a drilling machine working condition monitoring and oil temperature self-adjusting device based on a PLC (programmable logic controller), which comprises a PLC controller, an encoder, a double-shaft inclination angle sensor, a rotation speed sensor and a temperature sensor which are in communication connection with the PLC controller, and also comprises a hydraulic oil temperature self-adjusting unit, wherein the hydraulic oil temperature self-adjusting unit is electrically connected with the PLC controller; the hydraulic oil temperature self-adjusting unit comprises a heating subunit which is arranged on the hydraulic oil tank body and used for heating hydraulic oil and a cooling subunit which is used for cooling the hydraulic oil. The utility model can realize the working condition parameters of hydraulic oil temperature, drill bit rotating speed, drill rod inclination angle, drill rod drilling depth and the like, and compared with the prior art, the utility model monitors the drill rod working depth unilaterally, monitors more comprehensively, ensures the operation safety of the drilling machine and improves the reliability.

Description

Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC
Technical Field
The utility model belongs to the technical field of drilling machines, relates to drilling machine working condition monitoring and oil temperature adjustment, and in particular relates to a drilling machine working condition monitoring and oil temperature self-adjustment device based on a PLC.
Background
The rotary drilling rig is used as common engineering mechanical equipment at present and is widely applied to various projects. When the rotary drilling rig works, hydraulic oil is required to be at a certain proper temperature, and when the temperature of the hydraulic oil is too high (more than 80 ℃), the viscosity of the hydraulic oil is reduced, so that leakage, reduced strength of a smooth oil film, accelerated equipment abrasion, carbide generation and slag generation, accelerated oxidation of oil, deteriorated oil quality, premature aging of an oil seal and a high-pressure rubber tube and the like are easily caused; when the hydraulic oil temperature is too low (< 30 ℃), the viscosity of the oil is large, the fluidity is poor, the resistance is large, the working efficiency is low, and the like are also easy to cause.
Meanwhile, the drilling of the rotary drilling rig is influenced by geology, topography, environmental conditions and the like, the formed hole and the vertical direction can generate angle deviation, the small angle deviation can greatly influence the hole forming quality because the hole forming depth can reach tens of meters, and the position of the drill rod is adjusted only by directly observing experiences of technicians, so that the inaccuracy is high and the efficiency is low. Moreover, the requirements of different projects on the hole forming depth are different, and the depth adjustment is needed according to the actual engineering requirements, but in the actual work, the actual underground drilling depth of the drilling machine is difficult to directly obtain.
In addition, when the drill bit works underground, technicians are difficult to directly observe underground working conditions, and when the maximum output torque of the drilling machine is larger than the actual torque and other bad working conditions are met, the drilling machine is possibly damaged, and the service life of the drilling machine is influenced.
The patent application number CN202110724908.7 discloses a monitoring, early warning, protecting and simulating visual system for the working state of a drill rod of a rotary drilling rig, and adopts a main winch depth sensor, a power head position sensor and a power head weight sensor to be connected with a display control integrated machine and connected to a power supply, and the monitoring is carried out by receiving working condition data through the sensors and transmitting the working condition data into the integrated machine. However, as only the monitoring protection of the drill rod is considered, other working condition parameters such as working temperature, drill bit rotating speed, inclination angle and the like are not monitored, and the working condition monitoring is not comprehensive enough. And when the system is faced with abnormal conditions, the system only carries out braking treatment, automatic adjustment and solution to the abnormal conditions cannot be realized, manual intervention and adjustment are needed, the labor is consumed, and the intelligent degree is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the working condition monitoring and oil temperature self-adjusting device of the drilling machine based on the PLC, which is used for monitoring the temperature of hydraulic oil of the drilling machine, the actual working rotation speed, the inclination angle of a drill bit, the drilling depth and the like in real time, and realizing the self-adjustment of the oil temperature at the same time, so that the hydraulic oil is in the working temperature range.
In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme.
The utility model provides a PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device, which comprises a PLC controller, an encoder, a double-shaft inclination angle sensor, a rotating speed sensor and a temperature sensor, wherein the encoder, the double-shaft inclination angle sensor, the rotating speed sensor and the temperature sensor are in communication connection with the PLC controller; the device also comprises a hydraulic oil temperature self-adjusting unit, wherein the hydraulic oil temperature self-adjusting unit is electrically connected with the PLC; the hydraulic oil temperature self-adjusting unit comprises a heating subunit which is arranged on the hydraulic oil tank body and used for heating hydraulic oil and a cooling subunit which is used for cooling the hydraulic oil, and the heating subunit and the cooling subunit are electrically connected with the PLC.
According to the PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device, the encoder is arranged in the encoder support and is connected with the main winch drum shaft through the coupler. The encoder is connected with the PLC and the power supply through serial ports. And measuring the rotation angle of the winding drum through the encoder, and further obtaining the descending depth of the drill rod.
According to the PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device, the double-shaft inclination sensor monitors the X-shaft (inclining leftwards and rightwards) and the Y-shaft (inclining forwards and backwards), the double-shaft inclination sensor is installed on the side face of the mast, the directions of the two shafts are perpendicular to the length direction of the drill rod, and the inclination angles of the two shafts relative to the horizontal plane can be respectively obtained by measuring the component of the gravity acceleration at the installation position of the double-shaft inclination sensor.
According to the PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device, the sensing piece is arranged at the position, corresponding to the rotating speed sensor, of the drill rod, and the real-time working rotating speed of the drill bit is measured through the sensing of the rotating speed sensor to the sensing piece.
Above-mentioned rig operating mode monitoring and oil temperature self-regulating device based on PLC, temperature sensor sets up in hydraulic tank inner wall for the temperature of real-time detection hydraulic oil.
Above-mentioned rig operating mode monitoring and oil temperature self-regulating device based on PLC, the heating subunit is resistance type heating rod, and resistance type heating rod is fixed in hydraulic tank body side, and the heating end stretches into in the hydraulic tank. The cooling subunit comprises an air-cooled radiator fixed at the top of the hydraulic oil tank; a first oil pipe and a second oil pipe which are communicated with the hydraulic oil tank and the air-cooled radiator are arranged between the hydraulic oil tank and the air-cooled radiator; the first oil pipe comprises an oil pump and an electromagnetic valve which are communicated through a pipeline. When the temperature of the hydraulic oil detected by the temperature sensor is lower than the lower limit value of the set threshold range, the PLC controller controls the resistance type heating rod to heat; when the temperature of the hydraulic oil detected by the temperature sensor is higher than the upper limit value of the set threshold range, the PLC starts the air-cooled radiator, simultaneously starts the oil pump and the electromagnetic valve, and the hydraulic oil with overhigh temperature enters the air-cooled radiator through the first oil pipe under the action of the oil pump, and returns to the hydraulic oil tank through the second oil pipe after being cooled by the air-cooled radiator.
The working condition monitoring and oil temperature self-adjusting device based on the PLC also comprises a power supply for supplying power to the PLC controller, the encoder, the double-shaft inclination angle sensor, the rotating speed sensor, the temperature sensor, the hydraulic oil temperature self-adjusting unit and the like.
Above-mentioned rig operating mode monitoring and oil temperature self-regulating device based on PLC, the PLC controller sets up in the rig driver's cabin, and the PLC controller is connected with the host computer, will be from encoder, temperature sensor, biax inclination sensor and rotation speed sensor received data transmission to the host computer, by the display screen of being connected with the host computer show. The upper computer compares the received data with a preset threshold value, and when the threshold value is exceeded, the upper computer controls an alarm connected with the upper computer to give an alarm. The upper computer can also be connected with the LED lamp, and when the threshold value is exceeded, the upper computer controls the LED lamp to flash. The upper computer also stores abnormal data exceeding a threshold value and abnormal data generation time, and meanwhile, the PLC controller controls a driving motor of a power head connected with the PLC controller to shut down so that the drilling machine stops working.
The drilling machine working condition monitoring and oil temperature self-adjusting device based on the PLC has the following beneficial effects:
(1) The drill rod working depth unilateral monitoring device can realize working condition parameters such as hydraulic oil temperature, drill bit rotating speed, drill rod inclination angle, drill rod drilling depth and the like, and compared with the prior art, the drill rod working depth unilateral monitoring device is more comprehensive in monitoring, ensures the operation safety of a drilling machine and improves reliability.
(2) When hydraulic oil temperature does not belong to reasonable working range, device accessible cooling subunit, heating subunit that set up are with temperature automatically regulated to reasonable range, need not manual intervention, effectively avoid bad operating mode to take place, guarantee equipment safety in utilization, extension equipment life.
(3) When the device encounters poor working conditions, the device upper computer can automatically store abnormal data and abnormal data generation time, so that the follow-up maintenance personnel can conduct problem investigation and maintenance in a targeted manner, and the equipment inspection time is greatly shortened.
Drawings
FIG. 1 is a schematic diagram of the installation of a PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device on a drilling machine.
Fig. 2 is a schematic block diagram of a device for monitoring working conditions of a drilling machine and automatically adjusting oil temperature based on a PLC.
Fig. 3 is a schematic diagram of encoder placement.
Fig. 4 is a schematic diagram of a dual axis tilt sensor placement.
Fig. 5 is a schematic diagram of the rotational speed sensor placement.
Fig. 6 is a schematic view of a hydraulic oil tank provided with a hydraulic oil temperature self-adjusting unit.
Fig. 7 is a schematic view of another view of the hydraulic oil tank provided with the hydraulic oil temperature self-adjusting unit.
In the figure, 01-car body, 02-main winch, 021-main winch support, 022-main winch drum shaft, 03-mast, 04-drill pipe, 05-power head support, 06-drill bit, 07-cab, 08-hydraulic oil tank, 081-oil supply outlet, 082-oil return inlet, 083-oil filling port, 1-encoder, 2-double-shaft inclination angle sensor, 3-rotation speed sensor, 31-sensing piece, 4-temperature sensor, 5-heating subunit, 6-cooling subunit, 601-air-cooled radiator, 602-oil pump, 603-electromagnetic valve, 604-cooling oil inlet and 605-cooling oil outlet.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.
Example 1
The main structure of the rotary drilling rig according to the embodiment is shown in fig. 1, and the rotary drilling rig comprises a car body 01, a main winch 02 is mounted on the car body, a mast 03 is fixedly mounted at the front part of the car body, a rope of the main winch is connected with one end of a drill rod 04 after passing through a pulley, and a power head and a drill bit 06 positioned below the power head are mounted at the other end of the drill rod. The drill rod 04 is arranged parallel to the mast 03. The vehicle body is further provided with a cab 07 and a hydraulic oil tank 08.
The utility model provides a PLC-based drilling machine working condition monitoring and oil temperature self-adjusting device, which comprises a PLC controller, an encoder 1, a double-shaft inclination sensor 2, a rotating speed sensor 3, a temperature sensor 4, a hydraulic oil temperature self-adjusting unit and a power supply, wherein the encoder 1, the double-shaft inclination sensor 2, the rotating speed sensor 3 and the temperature sensor 4 are in communication connection with the PLC controller, the hydraulic oil temperature self-adjusting unit is electrically connected with the PLC controller, and the power supply is used for supplying power to the PLC controller, the encoder, the double-shaft inclination sensor, the rotating speed sensor, the temperature sensor and the hydraulic oil temperature self-adjusting unit. In addition, the power head driving motor of the rotary drilling rig is also electrically connected with the PLC. The PLC controller is installed in the cab 07 and is connected with an upper computer, and the upper computer is also connected with a display screen, an alarm and an LED lamp. The PLC controller and the encoder 1, the double-shaft inclination angle sensor 2, the rotation speed sensor 3 and the temperature sensor 4 can be in communication connection through a conventional wireless transmission module (such as a WiFi module, bluetooth and the like).
As shown in fig. 3, the encoder 1 in this embodiment is an incremental encoder. The encoder 1 body is arranged in the main winding support 021 and is connected with the main winding drum shaft 022 through a coupling. The encoder is connected with the PLC and the power supply through serial ports. The working principle of the encoder is as follows: the encoder is arranged on the winch, the encoder code wheel is connected with the winch shaft, a certain number of circumferentially distributed light channels are arranged on the code wheel, a light source in the encoder irradiates onto the receiver through the code wheel, and when the shaft rotates for a certain angle, the light irradiates onto the receiver through the channels, and the receiver obtains signals and generates pulse signals. The output channel of the encoder sends out pulse signals at a certain frequency according to the rotating speed of the main winding drum shaft, and the rotating angle of the main winding drum shaft can be measured by counting the number of pulses and determining the resolution of the code disc, so that the descending depth of the drill rod can be obtained. The encoder sends the collected data to the PLC controller.
As shown in fig. 4, the dual-axis tilt sensor 2 is mounted to the side of the mast 03, and both axes of the dual-axis tilt sensor 2 are perpendicular to the length direction of the drill rod. The inclination angles of the two axes relative to the horizontal plane can be respectively obtained by measuring the component of the gravity acceleration at the installation position of the gravity acceleration by taking the left-right inclination as an X axis and the front-back inclination as a Y axis. The biaxial inclination sensor 2 transmits the acquired data to the PLC controller.
As shown in fig. 5, the rotation speed sensor 3 is disposed on the power head bracket 05, and two sensing pieces 31 are disposed on the drill pipe 04 at positions corresponding to the rotation speed sensor 3, and the two sensing pieces are symmetrically disposed on the drill pipe. The rotation speed sensor 3 may be a laser speed sensor. The rotation speed sensor 3 senses the two sensing pieces and then is equivalent to the drill rod rotating for half a turn, so that the working rotation speed data of the power head can be calculated by measuring the sensing times through the rotation speed sensor. The rotation speed sensor 3 transmits the collected data to the PLC controller.
As shown in fig. 6, the temperature sensor 4 is placed on the side wall of the hydraulic oil tank 08 in a direction toward the inside of the tank. The temperature sensor is used for monitoring the oil temperature in the hydraulic oil tank in real time and transmitting the acquired data to the PLC.
As shown in fig. 6 and 7, the hydraulic oil temperature self-adjusting unit includes a heating subunit 5 and a cooling subunit 6. The heating subunit 5 is a resistance type heating rod, the resistance type heating rod is fixed on the side face of the hydraulic oil tank body, and the heating end extends into the hydraulic oil tank. The cooling subunit 6 comprises an air-cooled radiator 601, and a first oil pipe and a second oil pipe which are communicated with the hydraulic oil tank 08 and the air-cooled radiator are arranged between the hydraulic oil tank 08 and the air-cooled radiator; the first oil pipe comprises an oil pump 602 and a solenoid valve 603 which are communicated through a pipeline; the first oil pipe oil inlet is connected with an oil supply outlet 081 arranged on the hydraulic oil tank, and the first oil pipe oil outlet is connected with a cooling oil inlet 604 on the air-cooled radiator; the second oil pipe oil inlet is connected with a cooling oil outlet 605 on the air-cooled radiator, and the second oil pipe oil outlet is connected with an oil return inlet 082 arranged on the hydraulic oil tank through a pipeline. In addition, the hydraulic oil tank is also provided with an oil filler 083. The oil pump, the electromagnetic valve and the air-cooled radiator are all connected with the PLC.
When the temperature of the hydraulic oil detected by the temperature sensor is lower than the lower limit value of the set threshold range, the PLC controller controls the resistance type heating rod to heat; when the temperature of the hydraulic oil detected by the temperature sensor is higher than the upper limit value of the set threshold range, the PLC starts the air-cooled radiator, simultaneously starts the oil pump and the electromagnetic valve, the hydraulic oil with overhigh temperature enters the air-cooled radiator through the first oil pipe under the action of the oil pump, the air-cooled radiator reduces the temperature of the hydraulic oil through heat exchange, and the cooled hydraulic oil returns to the hydraulic oil tank through the second oil pipe from the cooling oil outlet.
The working condition monitoring and oil temperature self-adjusting device of the drilling machine based on the PLC mainly has the following functions:
display and alarm
The PLC controller is arranged in the drilling machine cab, is connected with the upper computer, and transmits data received from the encoder, the temperature sensor, the double-shaft inclination angle sensor and the rotating speed sensor to the upper computer to be displayed by a display screen connected with the upper computer. The upper computer compares the received data with preset thresholds (including a drill rod inclination angle threshold, a drill bit working rotation speed threshold, a hydraulic oil temperature threshold and the like), and when the threshold is exceeded, the upper computer controls an alarm connected with the upper computer to give an alarm. The upper computer can also be connected with the LED lamp, and when the threshold value is exceeded, the upper computer controls the LED lamp to flash. The upper computer also stores abnormal data exceeding a threshold value and abnormal data generation time, and meanwhile, the PLC controller controls a driving motor of a power head connected with the PLC controller to shut down so that the drilling machine stops working.
Threshold setting:
(1) The drill rod inclination angle setting range is divided into the following three cases, and is a reasonable range when the inclination angles of the x axis and the y axis are not more than 0.4 degree; when the inclination angle of at least one direction of the x axis and the y axis is larger than 0.4 degrees and the inclination angles of the two axes are not larger than 4 degrees, the attention scope is defined; and when the inclination angle of at least one direction of the x axis and the y axis is larger than 4 degrees, the dangerous range is formed.
(2) The maximum rotation speed range of the drill bit is manually input by a technician according to the theoretical working rotation speeds of different drilling equipment, and the threshold value is obtained by subtracting 300 from the theoretical working rotation speeds.
(3) The reasonable working temperature range of the hydraulic oil is 30-80 ℃, and the optimal working temperature range of the hydraulic oil is 40-55 ℃. When the temperature of the hydraulic oil exceeds the range of [30 ℃,80 ℃ and the like, the self-adjustment can be realized according to the self-control of the temperature of the hydraulic oil.
The depth of the drill rod penetrating into the drill hole is not provided with an alarm threshold value, and only the real-time depth is displayed for the technician to construct and reference.
(II) Hydraulic oil temperature self-control
The reasonable working temperature range of the hydraulic oil is 30-80 ℃, the optimal working temperature range of the hydraulic oil is 40-55 ℃, and in addition, the automatic power-off threshold temperature of the heating rod is set to be slightly lower than the optimal working temperature range of the hydraulic oil and is set to be 35 ℃ in consideration of the fact that a large amount of residual heat remains after the heating rod is powered off. Namely, when the temperature sensor detects that the temperature of the hydraulic oil is higher than 35 ℃, the PLC controller controls the heating rod to be powered off.
When the temperature sensor detects that the temperature of the hydraulic oil is less than 30 ℃, the PLC controls the heating rod to be electrified, so that the hydraulic oil is heated; and the temperature sensor detects the temperature of the hydraulic oil in real time, when the temperature of the hydraulic oil is higher than 35 ℃, the PLC controls the heating rod to be powered off, the resistance type heating rod does not continuously get electricity to generate heat, and the residual heat after the heating rod is powered off further improves the temperature of the hydraulic oil.
When the temperature sensor detects that the temperature of the hydraulic oil is higher than 80 ℃, the PLC controls the air-cooled radiator to be electrified, simultaneously starts the oil pump and opens the electromagnetic valve, and realizes the cooling of the hydraulic oil through air heat exchange; and the temperature sensor detects the temperature of the hydraulic oil in real time, and when the temperature of the hydraulic oil is less than 55 ℃, the PLC controls the air-cooled radiator, the oil pump and the electromagnetic valve to be powered off. Thereby operating the hydraulic oil temperature in an optimal operating range.
(III) operating mode data storage
The system working condition data acquisition and storage comprises sensor acquisition and storage, manual acquisition and storage and abnormal data automatic storage. The recorded data is stored by the power-down maintainable memory card, so that the data loss caused by power failure of the system is avoided, and meanwhile, the migration and the inquiry of the data are facilitated.
When the specific working condition parameters in the specific environment need to be recorded, the data can be collected manually (for example, when the drilling machine needs to work continuously for a long time, working condition parameters such as the temperature of hydraulic oil at the moment can be recorded manually by a worker when the equipment works for a certain time so as to check whether the working condition of the equipment is good or not under the continuous long-time working condition), and the corresponding data can be recorded and stored manually into the upper computer.
To facilitate the viewing of data by the technician followed by the technician, each group of data names is named according to "date+time". When the data is stored up to the upper limit of the storable quantity, the latest data will automatically cover the earliest data to ensure the data integrity and timeliness.
Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present utility model and should be understood that the scope of the utility model is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.

Claims (10)

1. The working condition monitoring and oil temperature self-adjusting device of the drilling machine based on the PLC is characterized by comprising a PLC controller, an encoder, a double-shaft inclination angle sensor, a rotating speed sensor and a temperature sensor, wherein the encoder, the double-shaft inclination angle sensor, the rotating speed sensor and the temperature sensor are in communication connection with the PLC controller, the encoder is arranged on a main winch, the double-shaft inclination angle sensor is arranged on a mast, the rotating speed sensor is arranged on a power head bracket, and the temperature sensor is arranged on the inner wall of a hydraulic oil tank; the device also comprises a hydraulic oil temperature self-adjusting unit, wherein the hydraulic oil temperature self-adjusting unit is electrically connected with the PLC; the hydraulic oil temperature self-regulating increasing unit comprises a heating subunit which is arranged on the hydraulic oil tank body and used for heating hydraulic oil and a cooling subunit which is used for cooling the hydraulic oil, and the heating subunit and the cooling subunit are electrically connected with the PLC.
2. The PLC based drilling machine condition monitoring and oil temperature self-adjusting device of claim 1, wherein the encoder is disposed in the encoder support and coupled to the main hoist spool shaft via a coupling.
3. The PLC based drilling machine condition monitoring and oil temperature self-adjusting device of claim 1, wherein the dual-axis tilt sensor is mounted on the side of the mast and the two-axis direction is perpendicular to the length direction of the drill pipe.
4. The device for monitoring the working condition of a drilling machine and automatically adjusting the oil temperature based on the PLC according to claim 3, wherein an induction piece is arranged at a position of the drill rod corresponding to the rotating speed sensor.
5. The device for monitoring the working condition of a drilling machine and automatically adjusting the oil temperature based on the PLC according to claim 1, wherein the heating subunit is a resistance type heating rod, the resistance type heating rod is fixed on the side surface of the hydraulic oil tank body, and the heating end extends into the hydraulic oil tank.
6. The PLC based drilling machine condition monitoring and oil temperature self-regulating device of claim 1, wherein the cooling subunit comprises an air-cooled radiator secured to the top of the hydraulic tank; a first oil pipe and a second oil pipe which are communicated with the hydraulic oil tank and the air-cooled radiator are arranged between the hydraulic oil tank and the air-cooled radiator; the first oil pipe comprises an oil pump and an electromagnetic valve which are communicated through a pipeline, an oil inlet of the first oil pipe is connected with an oil supply outlet arranged on the hydraulic oil tank, and an oil outlet of the first oil pipe is connected with a cooling oil inlet on the air-cooled radiator; the oil inlet of the second oil pipe is connected with a cooling oil outlet on the air-cooled radiator, and the oil outlet of the second oil pipe is connected with an oil return inlet arranged on the hydraulic oil tank through a pipeline.
7. The PLC based drilling machine condition monitoring and oil temperature self-regulating device of claim 1, further comprising a power supply for powering the PLC controller, the encoder, the dual-axis tilt sensor, the rotational speed sensor, the temperature sensor, the hydraulic oil temperature self-regulating unit.
8. The device for monitoring the working condition of the drilling machine and automatically adjusting the oil temperature based on the PLC according to claim 1, wherein the PLC is arranged in a cab of the drilling machine, the PLC is connected with an upper computer, and data received from an encoder, a temperature sensor, a double-shaft inclination angle sensor and a rotating speed sensor are sent to the upper computer and displayed by a display screen connected with the upper computer.
9. The device for monitoring the working condition of the drilling machine and automatically adjusting the oil temperature based on the PLC according to claim 8, wherein the upper computer is connected with the alarm.
10. The device for monitoring the working condition of the drilling machine and automatically adjusting the oil temperature based on the PLC according to claim 9, wherein the upper computer is further connected with an LED lamp.
CN202320111002.2U 2023-01-20 2023-01-20 Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC Active CN219570073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320111002.2U CN219570073U (en) 2023-01-20 2023-01-20 Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320111002.2U CN219570073U (en) 2023-01-20 2023-01-20 Drilling machine working condition monitoring and oil temperature self-adjusting device based on PLC

Publications (1)

Publication Number Publication Date
CN219570073U true CN219570073U (en) 2023-08-22

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Application Number Title Priority Date Filing Date
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