CN108676949B

CN108676949B - Hydraulic drive blast furnace burden surface mechanical stock rod

Info

Publication number: CN108676949B
Application number: CN201810503234.6A
Authority: CN
Inventors: 信根柱; 艾新; 杨俊�; 韩江; 巢海; 撖伟; 郭亿祥; 信得誉
Original assignee: Shenzhen Tianzhen Automation Technology Co Ltd
Current assignee: Shenzhen Tianzhen Automation Technology Co Ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2020-01-10
Anticipated expiration: 2038-05-23
Also published as: CN108676949A

Abstract

The invention discloses a hydraulic drive blast furnace burden surface mechanical stock rod, which comprises a hydraulic cylinder, a mechanical stock rod, a proximity sensor, a first groove body and a first processor, wherein a piston rod of the hydraulic cylinder is vertically arranged downwards, the piston rod of the hydraulic cylinder is fixedly connected with one end of the mechanical stock rod in the vertical direction, the proximity sensor is arranged on the end surface of the other end of the mechanical stock rod, the first groove body is arranged on the outer wall of the hydraulic cylinder, the first processor is arranged in the first groove body, the proximity sensor is in wireless communication with the first processor, the first processor is connected with a controller of the hydraulic cylinder, the first processor is in wireless communication with a user terminal, and the user terminal can be a remote controller. The invention aims to provide a hydraulic drive blast furnace burden surface mechanical stock rod with high measurement precision.

Description

Hydraulic drive blast furnace burden surface mechanical stock rod

Technical Field

The invention belongs to the technical field of smelting equipment, and particularly relates to a hydraulic drive mechanical stock rod for a blast furnace burden surface.

Background

The height of the charging line in the blast furnace plays an important role in blast furnace smelting, so the requirement of production must be met in a detection means. Therefore, the stock level height needs to be determined quickly and accurately by the stock exploring device. The conventional mechanical stock rod generally adopts a winch system of a set of variable frequency controller to control a steel wire rope to drag the mechanical stock rod to lift so as to detect the height of a stockline in a blast furnace. Because the ambient temperature in the blast furnace is high, solid particulate matters are more, and the internal airflow is complicated, the shaking and the inclination of the mechanical measuring rod are easily caused, and the measurement precision is poor.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of poor measurement precision in the prior art.

Therefore, the hydraulic drive blast furnace burden surface mechanical trial rod comprises a hydraulic cylinder, a mechanical trial rod, a proximity sensor, a first groove body and a first processor, wherein a piston rod of the hydraulic cylinder is vertically arranged downwards, the piston rod of the hydraulic cylinder is fixedly connected with one end of the mechanical trial rod in the vertical direction, the proximity sensor is arranged on the end face of the other end of the mechanical trial rod, the first groove body is arranged on the outer wall of the hydraulic cylinder, the first processor is arranged in the first groove body, the proximity sensor is in wireless communication with the first processor, the first processor is connected with a controller of the hydraulic cylinder, and the first processor is in wireless communication with a user terminal.

In order to adjust the length of the equipment in the vertical direction and fully utilize the space in the blast furnace, the preferred technical scheme is that the blast furnace burden surface mechanical trial rod further comprises a length adjusting device, the length adjusting device comprises a sleeve, a second groove body, a first motor, a connecting rod, a screw rod and a second processor, the top end of the sleeve in the vertical direction is fixedly connected with a piston rod of the hydraulic cylinder, the upper end of the mechanical trial rod is inserted into the sleeve from the bottom end of the sleeve, a first opening extending in the vertical direction is arranged on the side wall of the sleeve in a penetrating manner, the second groove body is arranged on the side wall of the sleeve corresponding to the first opening, one end of the connecting rod in the horizontal direction is fixedly connected with the side wall of the mechanical trial rod, the other end of the connecting rod penetrates through the first opening and extends into the second groove body, and a threaded hole is arranged on the part of the connecting rod in the second groove body in a penetrating manner, the utility model discloses a portable computer, including first groove body, first motor, second treater, screw hole, first motor, second treater, the inner wall of second groove body has set gradually first motor on, the second treater, the vertical downwardly extending of output shaft of first motor, the output shaft one end and the vertical direction of first motor screw rod one end fixed connection, the screw rod other end passes the screw hole extends to the connecting rod below, first motor with the second treater is connected, second treater and user terminal radio communication.

In order to prevent the connecting rod from moving beyond the limit displacement and causing equipment failure, the preferable technical scheme is that a horizontal limiting column is arranged on the side wall of one end, far away from the first motor, of the screw rod.

In order to facilitate the maintenance of the length adjusting device, the preferable technical scheme is that a through hole penetrates through the wall surface of the second groove body, a sealing cover is arranged on the through hole, and the sealing cover is connected with the second groove body through a screw.

In order to make the measured height of the stock line more accurate, the preferred technical scheme is that the mechanical stock rod of the blast furnace burden surface further comprises a mechanical stock rod moving device, the mechanical stock rod moving device comprises a fixed plate, a U-shaped rod, a sliding sleeve, a shell, a second motor, a roller and a third processor, the upper end surface of the fixed plate in the horizontal direction is fixedly connected with the lower end surface of a piston rod of the hydraulic cylinder, the U-shaped rod is arranged below the fixed plate, the end surfaces of two vertical rods of the U-shaped rod are respectively fixedly connected with the lower end surface of the fixed plate, the sliding sleeve is sleeved on the horizontal rod of the U-shaped rod, a second opening is arranged at the upper end of the sliding sleeve in a penetrating way, the shell wraps the sliding sleeve and is fixedly connected with the sliding sleeve, the second motor and the third processor are sequentially arranged on the inner wall of the shell, and the output shaft of the second motor is arranged in the horizontal direction, the central axis of the roller is fixedly connected with the output shaft of the second motor, the lower end of the roller penetrates through the second opening to be attached to the horizontal rod of the U-shaped rod, the upper end face of the mechanical stock rod is fixedly connected with the lower end face of the outer wall of the shell, the second motor is connected with the third processor, and the third processor is in wireless communication with the user terminal.

In order to prevent the roller from slipping, the preferable technical scheme is that anti-slipping lines are arranged on the outer wall of the horizontal rod of the U-shaped rod.

In order to monitor the temperature in the shell of the mechanical stock rod moving device and prevent the temperature from being too high and influencing the operation of devices in the device, the preferable technical scheme is that a temperature sensor is arranged on the inner wall of the shell, close to the roller, and the temperature sensor is connected with the third processor.

In order to be able to cool down the inside of mechanical trial rod mobile device when the high temperature, the preferred technical scheme is, still include the heat sink, the heat sink includes liquid nitrogen container, outlet duct, solenoid valve, be close to on the shell inner wall temperature sensor department is provided with the liquid nitrogen container, the liquid nitrogen container with shell inner wall fixed connection, be provided with the outlet duct on the liquid nitrogen container, outlet duct one end with the liquid nitrogen container intercommunication, be provided with the solenoid valve on the outlet duct, the solenoid valve with the third treater is connected.

The invention has the advantages that: the invention discloses a hydraulic drive blast furnace burden surface mechanical stock rod, which comprises a hydraulic cylinder, a mechanical stock rod, a proximity sensor, a first groove body and a first processor, wherein a piston rod of the hydraulic cylinder is vertically arranged downwards, the piston rod of the hydraulic cylinder is fixedly connected with one end of the mechanical stock rod in the vertical direction, the proximity sensor is arranged on the end surface of the other end of the mechanical stock rod, the first groove body is arranged on the outer wall of the hydraulic cylinder, the first processor is arranged in the first groove body, the proximity sensor is in wireless communication with the first processor, the first processor is connected with a controller of the hydraulic cylinder, the first processor is in wireless communication with a user terminal, and the user terminal can be a remote controller. A hydraulic drive blast furnace burden surface mechanical stock rod is arranged on a blast furnace cover, a hydraulic cylinder is fixedly arranged on the inner wall of the blast furnace cover, when iron making is carried out in the blast furnace, a worker starts the mechanical stock rod in the blast furnace by using a remote controller, the initial position of a proximity sensor is higher, when the proximity sensor cannot detect liquid materials in the blast furnace, the proximity sensor transmits an electric signal to a first processor, the first processor sends a control instruction to a controller of the hydraulic cylinder, the hydraulic cylinder is controlled to push a piston rod, so that the mechanical stock rod moves downwards, when the proximity sensor is close to a stockline, the proximity sensor can sense the materials within the detection range of the proximity sensor and transmits information to the first processor, at the moment, the first processor sends the control instruction, the hydraulic cylinder stops continuously pushing the piston rod, and the first processor carries out calculation according to the moving distance of the piston rod and in combination with the initial position, the height information of the material can be obtained and wirelessly transmitted to the remote controller, and the user can obtain the height information of the material line in the blast furnace through the display of the remote controller. When the materials in the blast furnace are discharged through the outlet, the height of the material line is reduced and exceeds the detection distance of the proximity sensor, the first processor controls the piston rod of the hydraulic cylinder to move downwards to drive the proximity sensor to move downwards and stop until the materials reach the detection range of the proximity sensor, when the materials are added into the blast furnace through the feed inlet, the height of the material line is increased, when the materials are lower than the detection distance, the first processor controls the piston rod of the hydraulic cylinder to move upwards to drive the proximity sensor to move upwards and stop until the materials reach the detection range, the distance between the proximity sensor and the material line is always kept in the detection range of the sensor, and therefore the height information of the material line is obtained. Because the lifting of the mechanical stock rod is driven by the hydraulic cylinder, the mechanical stock rod is not easily influenced by airflow or particles in blast furnace materials, cannot shake or tilt, and has good stability, thereby improving the accuracy of measuring the height information of the stockline.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an operating state diagram of the present invention.

Fig. 3 is a schematic view of the structure of the length adjustment device of the present invention.

Fig. 4 is an external view of the mechanical movement device of the present invention.

Fig. 5 is a schematic view of the internal structure of the mechanical probe moving device of the present invention.

Wherein, 1-a hydraulic cylinder; 2-mechanical stock rod; 3-a proximity sensor; 4-a first groove body; 5-a first processor; 7-a sleeve; 8-a first opening; 9-a second groove body; 10-a first electric machine; 11-a connecting rod; 12-a threaded hole; 13-a screw; 14-a second processor; 15-a limiting column; 16-a via hole; 17-a sealing cover; 18-a fixed plate; 19-U-shaped rods; 20-a sliding sleeve; 21-a housing; 22-a second electric machine; 23-a roller; 24-a third processor; 25-a second opening; 26-blast furnace; 27-a temperature sensor; 28-liquid nitrogen tank; 29-air outlet pipe; 30-electromagnetic valve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the hydraulic drive blast furnace burden surface mechanical trial rod of the present invention includes a hydraulic cylinder 1, a mechanical trial rod 2, a proximity sensor 3, a first groove body 4, and a first processor 5, wherein a piston rod of the hydraulic cylinder 1 is vertically disposed downward, the piston rod of the hydraulic cylinder 1 is fixedly connected to one end of the mechanical trial rod 2 in the vertical direction, the proximity sensor 3 is disposed on an end surface of the other end of the mechanical trial rod 2, the first groove body 4 is disposed on an outer wall of the hydraulic cylinder 1, the first processor 5 is disposed in the first groove body 4, the proximity sensor 3 is in wireless communication with the first processor 5, the first processor 5 is connected to a controller of the hydraulic cylinder 1, the first processor 5 is in wireless communication with a user terminal, and the user terminal may be a remote controller. The proximity sensor 1 adopts a model IME08-04NPSZW2S, which is a device with the capability of sensing the approach of an object, and utilizes the sensitivity characteristic of a displacement sensor to the approaching object to identify the approach of the object and output a corresponding switch signal, and when the object is within a certain distance range close to the proximity sensor, the proximity sensor outputs a corresponding electric signal.

The working principle is as follows: as shown in fig. 2, the hydraulic drive blast furnace burden surface mechanical probe is installed on the furnace cover of a blast furnace 26, a hydraulic cylinder 1 is fixedly installed on the inner wall of the furnace cover, when iron making is performed in the blast furnace, a worker starts the mechanical probe in the blast furnace by using a remote controller, the initial position of a proximity sensor 3 is higher, when the proximity sensor 3 cannot detect liquid materials in the blast furnace, the proximity sensor 3 transmits an electric signal to a first processor 5, the first processor 5 sends a control instruction to a controller of the hydraulic cylinder 1, the hydraulic cylinder 1 is controlled to push a piston rod, so that the mechanical probe 2 moves downwards, when the proximity sensor 3 approaches a material line, the proximity sensor 3 senses the materials within the detection range (such as 3mm-8mm) of the proximity sensor, the information is transmitted to the first processor 5, at this time, the first processor 5 sends the control instruction, the hydraulic cylinder 1 is stopped to continue pushing the piston rod, the first processor 5 calculates according to the moving distance of the piston rod and by combining the initial position of the proximity sensor, height information of the material can be obtained, the height information is wirelessly transmitted to the remote controller, and a user can obtain the height information of the material line in the blast furnace through a display of the remote controller. When the materials in the blast furnace are discharged through the outlet, the height of the material line is reduced and exceeds the detection distance of the proximity sensor 3, the first processor 5 controls the piston rod of the hydraulic cylinder 1 to move downwards to drive the proximity sensor 3 to move downwards and stop until the materials reach the detection range of the proximity sensor 3, when the materials are added into the blast furnace through the feed inlet, the height of the material line is increased, when the materials are lower than the detection distance, the first processor 5 controls the piston rod of the hydraulic cylinder 1 to move upwards to drive the proximity sensor 3 to move upwards and stop until the materials reach the detection range, the distance between the proximity sensor 3 and the material line is always kept in the detection range of the sensor, and therefore the height information of the material line is obtained. Because the lifting of the mechanical stock rod is driven by the hydraulic cylinder, the mechanical stock rod is not easily influenced by airflow or particles in blast furnace materials, cannot shake or tilt, and has good stability, thereby improving the accuracy of measuring the height information of the stockline. The accuracy of the proximity sensor can reach several millimeters or even micron level, and the measured height information of the stockline is more accurate by using the high-accuracy proximity sensor.

In order to adjust the length of the device in the vertical direction and fully utilize the space in the blast furnace, as shown in fig. 3, the preferred technical solution is that the mechanical blast furnace level gauge further includes a length adjusting device, the length adjusting device includes a sleeve 7, a second groove 9, a first motor 10, a connecting rod 11, a screw 13, and a second processor 14, the top end of the sleeve 7 in the vertical direction is fixedly connected with the piston rod of the hydraulic cylinder 1, the upper end of the mechanical gauge 2 is inserted into the sleeve 7 from the bottom end of the sleeve 7, a first opening 8 extending in the vertical direction is penetratingly arranged on the side wall of the sleeve 7, the second groove 9 is arranged on the side wall of the sleeve 7 corresponding to the first opening 8, one end of the connecting rod 11 in the horizontal direction is fixedly connected with the side wall of the mechanical gauge 2, and the other end of the connecting rod 11 passes through the first opening 8 and extends into the second groove 9, connecting rod 11 is located run through on the part in the second groove body 9 and be provided with screw hole 12, set gradually on the inner wall of second groove body 9 first motor 10 second treater 14, the vertical downwardly extending of output shaft of first motor 10, the output shaft one end and the vertical direction of first motor 10 screw 13 one end fixed connection, the screw 13 other end passes screw hole 12 extends to connecting rod 11 below, first motor 10 with second treater 14 is connected, second treater 14 and user terminal wireless communication. Because the length of mechanical stock rod has injectd the space that utilizes in the blast furnace, consequently, mechanical stock rod with adjustable length has been designed, when the length of mechanical stock rod needs to be adjusted, the staff sends the instruction of starter motor through the remote controller and gives second treater 14, second treater 14 control motor 10 rotates, motor 10 drives screw rod 13 and rotates, screw-thread fit through the screw rod 13 and the screw hole on connecting rod 11, make connecting rod 11 can reciprocate, connecting rod 11 drives mechanical stock rod 2 and moves up and down in sleeve pipe 7, when mechanical stock rod 2 upward movement, the upper end of mechanical stock rod 2 just stretches out and draws back into in sleeve pipe 7, make the length of equipment vertical direction shorten, when mechanical stock rod 2 downward movement, sleeve pipe 7 just stretches out to the upper end of mechanical stock rod 2, make the length of equipment vertical direction lengthen. The length of the vertical direction of the equipment can be adjusted through the length adjusting device, so that the material level height measuring range of the mechanical measuring rod is enlarged, if the height measuring range of the mechanical measuring rod is 0-5 m, if the telescopic range of the mechanical measuring rod in the sleeve is 0-3 m, the height measuring range of the mechanical measuring rod is 0-8 m after the length is adjusted through the length adjusting device, the height measuring range of the material line in the blast furnace is enlarged to 0-8 m from the original 0-5 m, the space utilization rate in the blast furnace is greatly increased, and the volume of materials in the blast furnace is increased. Meanwhile, the length information adjusted by the length adjusting device is wirelessly transmitted to the remote controller through the second processor 14, the remote controller is wirelessly transmitted to the first processor 5, the first processor 5 calculates the adjusted length without affecting the calculation of the height of the stockline, for example, the height measuring range of the mechanical stock rod is 0m-5m, the mechanical stock rod extends into the sleeve for 2m, the initial position is adjusted upwards by the first processor 5 for calculation, the highest position of the material can reach 7m, when more materials need to be contained in the blast furnace, the calculation of the height of the stockline can not be affected through the control of the remote controller when the highest position of the material is reduced to below 5m, for example, the height measuring range of the mechanical stock rod is 0m-5m, the mechanical stock rod extends out for 2m, and the mechanical stock rod can also reach the bottom end of the blast furnace, the measuring range of the mechanical measuring rod reaches 0-7 m, the measuring range of the mechanical measuring rod is more flexible through the length adjusting device, the space of the blast furnace is fully utilized, and the space utilization rate of the blast furnace is improved.

In order to prevent the connecting rod from moving beyond the limit displacement and causing equipment failure, a preferable technical scheme is that a horizontal limiting column 15 is arranged on the side wall of one end of the screw 13 far away from the first motor 10. When the connecting rod 11 moves downwards and reaches the lowest end of the screw 13, the connecting rod can be clamped by the position column 15, so that the limiting effect is achieved.

In order to facilitate maintenance of the length adjusting device, a through hole 16 is formed in the wall surface of the second groove body 9 in a penetrating mode, a sealing cover 17 is arranged on the through hole 16, and the sealing cover 17 is connected with the second groove body 9 through screws. When the components in the second groove body 9 are out of order, the screw on the sealing cover 17 is removed, and a tool enters and exits from the through hole 16, so that maintenance can be performed.

In order to make the measured height of the burden line more accurate, as shown in fig. 4-5, the preferred technical solution is that the mechanical trial rod for the blast furnace burden surface further includes a mechanical trial rod moving device, the mechanical trial rod moving device includes a fixed plate 18, a U-shaped rod 19, a sliding sleeve 20, a housing 21, a second motor 22, a roller 23, and a third processor 24, an upper end surface of the fixed plate 18 in the horizontal direction is fixedly connected with a lower end surface of a piston rod of the hydraulic cylinder 1, the U-shaped rod 19 is disposed below the fixed plate 18, end surfaces of two vertical rods of the U-shaped rod 19 are respectively fixedly connected with a lower end surface of the fixed plate 18, the sliding sleeve 20 is sleeved on a horizontal rod of the U-shaped rod 19, an upper end of the sliding sleeve 20 is provided with a second opening 25 in a penetrating manner, the housing 21 wraps the sliding sleeve 20 and is fixedly connected with the sliding sleeve 20, and the second motor 22, a third processor, a, The third processor 24 and the output shaft of the second motor 22 are arranged in the horizontal direction, the central axis of the roller 23 is fixedly connected with the output shaft of the second motor 22, the lower end of the roller 23 passes through the second opening 25 to be attached to the horizontal rod of the U-shaped rod 19, the upper end face of the mechanical probe 2 is fixedly connected with the lower end face of the outer wall of the shell 21, the second motor 22 is connected with the third processor 24, and the third processor 24 is in wireless communication with a user terminal. Because the material in the blast furnace is molten liquid metal usually, the liquid metal has poor fluidity and uneven liquid level height, the burden line height error of single-point measurement is large, different points need to be measured for multiple times, and more accurate burden line height can be obtained through average calculation, therefore, the mechanical stock rod moving device is designed, when multiple-point measurement is needed, a worker operates on a user terminal, the user terminal transmits a control instruction to a third processor 24 through wireless transmission, the third processor 24 controls a second motor 22 to rotate, an output shaft of the second motor 22 drives a roller 23 to move left and right on a horizontal rod of a U-shaped rod 19, the second motor 22 is fixedly connected on an outer shell 21, the outer shell 21 is fixedly connected with a sliding sleeve 20, so that the sliding sleeve 20 moves left and right along the horizontal rod of the U-shaped rod 19, sliding sleeve 20 matches with the cross-sectional dimension of the horizontal rod of U type pole 19, it can only remove on the horizontal rod of U type pole 19 to have played limited sliding sleeve 20, the device has also been prevented removing rocking of in-process, the stationarity of device motion has been guaranteed, shell 21 drives and moves about on the 2 horizontal directions of mechanical stock rod, mechanical stock rod 2 drives and moves about on the 3 horizontal directions of proximity sensor, thereby carry out the measurement of material level height to the different position points of liquid level, carry out more accurate material level height on average to calculating to the material level height that does not use. The fixed plate 18 is fixedly connected with the lower end face of the piston rod of the hydraulic cylinder 1, so that the whole mechanical stock rod moving device can move along the vertical direction driven by the piston rod in the process of moving in the horizontal direction, and therefore, the measurement of the material level height of each point cannot be influenced. In order to prevent the roller from slipping, the outer wall of the horizontal rod of the U-shaped rod 19 is preferably provided with anti-slip threads. In order to improve the transmission precision, the horizontal rod of the U-shaped rod 19 can adopt a rack, the roller 23 adopts a gear, and the gear and the rack are meshed for transmission, so that the movement of the device is more accurate and stable.

In order to monitor the temperature in the housing of the mechanical tape-measuring mobile device and prevent the temperature from being too high and affecting the operation of devices in the device, a temperature sensor 27 is arranged on the inner wall of the housing 21 near the roller 23, the temperature sensor 27 is connected with the third processor 24, the temperature sensor 27 transmits the monitored temperature in the housing 21 to the third processor 24, the third processor 24 transmits the monitored temperature to a user terminal through wireless communication for display, so that the user can know the temperature condition in the mobile device in real time, and when the temperature exceeds an alarm line (the highest temperature of normal operation of the devices), the user can take measures in time to prevent equipment from being out of order.

In order to be able to be when the high temperature, to the inside cooling that cools down of mechanical stock rod mobile device, preferred technical scheme is, still includes the heat sink, the heat sink includes liquid nitrogen container 28, outlet duct 29, solenoid valve 30, be close to on the shell 21 inner wall temperature sensor 27 department is provided with liquid nitrogen container 28, liquid nitrogen container 28 with shell 21 inner wall fixed connection, be provided with outlet duct 29 on the liquid nitrogen container 28, outlet duct 29 one end with liquid nitrogen container 28 intercommunication, be provided with solenoid valve 30 on the outlet duct 29, solenoid valve 30 with third treater 24 is connected. In the process that the mechanical stock rod moving device moves in the horizontal direction, hot air flow with high temperature enters through the gap between the horizontal rod of the U-shaped rod 19 and the sliding sleeve 20 and enters into the interior through the second opening 25, so that the internal environment temperature is too high, and the operation of internal devices breaks down. When the temperature in the mechanical tape moving device is too high, the temperature sensor 27 transmits the detected temperature to the third processor 24, when the temperature exceeds an alarm line (the highest temperature of normal operation of the device), the third processor 24 sends a control instruction to start the electromagnetic valve 30, the air outlet pipe 29 is in an open state, low-temperature liquid in the liquid nitrogen tank 28 runs out through the air outlet pipe 29 to cool the internal environment of the mechanical tape moving device, and when the temperature sensor 27 restores the detected temperature to a normal range, the third processor 24 sends a control instruction to close the electromagnetic valve 30, so that the internal environment of the mechanical tape moving device is always kept in a normal working range.

Claims

1. The utility model provides a hydraulic drive blast furnace charge level machinery stock rod which characterized in that: the detection device comprises a hydraulic cylinder (1), a mechanical stock rod (2), a proximity sensor (3), a first groove body (4) and a first processor (5), wherein a piston rod of the hydraulic cylinder (1) is vertically arranged downwards, the piston rod of the hydraulic cylinder (1) is fixedly connected with one end of the mechanical stock rod (2) in the vertical direction, the proximity sensor (3) is arranged on the end face of the other end of the mechanical stock rod (2), the first groove body (4) is arranged on the outer wall of the hydraulic cylinder (1), the first processor (5) is arranged in the first groove body (4), the proximity sensor (3) is in wireless communication with the first processor (5), the first processor (5) is connected with a controller of the hydraulic cylinder (1), and the first processor (5) is in wireless communication with a user terminal;

the blast furnace burden surface mechanical stock rod further comprises a length adjusting device, the length adjusting device comprises a sleeve (7), a second groove body (9), a first motor (10), a connecting rod (11), a screw rod (13) and a second processor (14), the top end of the sleeve (7) in the vertical direction is fixedly connected with a piston rod of the hydraulic cylinder (1), the upper end of the mechanical stock rod (2) is inserted into the sleeve (7) from the bottom end of the sleeve (7), a first opening (8) extending in the vertical direction is arranged on the side wall of the sleeve (7) in a penetrating mode, the second groove body (9) is arranged on the side wall of the sleeve (7) corresponding to the first opening (8), one end of the connecting rod (11) in the horizontal direction is fixedly connected with the side wall of the mechanical stock rod (2), and the other end of the connecting rod (11) penetrates through the first opening (8) and extends into the second groove body (9), connecting rod (11) are located run through on the part in second groove body (9) and are provided with screw hole (12), set gradually on the inner wall of second groove body (9) first motor (10) second treater (14), the vertical downwardly extending of output shaft of first motor (10), the output shaft one end and the vertical direction of first motor (10) screw rod (13) one end fixed connection, screw rod (13) other end passes screw hole (12) extend to connecting rod (11) below, first motor (10) with second treater (14) are connected, second treater (14) and user terminal wireless communication.

2. The hydraulic drive blast furnace burden surface mechanical probe of claim 1, which is characterized in that: and a horizontal limiting column (15) is arranged on the side wall of one end, far away from the first motor (10), of the screw (13).

3. The hydraulic drive blast furnace burden surface mechanical probe of claim 1, which is characterized in that: a through hole (16) penetrates through the wall surface of the second groove body (9), a sealing cover (17) is arranged on the through hole (16), and the sealing cover (17) is connected with the second groove body (9) through screws.

4. The hydraulic drive blast furnace burden surface mechanical probe of claim 1, which is characterized in that: the mechanical trial rod for the blast furnace burden surface also comprises a mechanical trial rod moving device, the mechanical trial rod moving device comprises a fixing plate (18), a U-shaped rod (19), a sliding sleeve (20), a shell (21), a second motor (22), a roller (23) and a third processor (24), the upper end surface of the fixing plate (18) in the horizontal direction is fixedly connected with the lower end surface of a piston rod of the hydraulic cylinder (1), the U-shaped rod (19) is arranged below the fixing plate (18), the end surfaces of two vertical rods of the U-shaped rod (19) are respectively fixedly connected with the lower end surface of the fixing plate (18), the sliding sleeve (20) is sleeved on the horizontal rod of the U-shaped rod (19), the upper end of the sliding sleeve (20) is provided with a second opening (25) in a penetrating manner, the shell (21) wraps the sliding sleeve (20) and is fixedly connected with the sliding sleeve (20), the utility model discloses a mechanical dipstick, including shell (21), second motor (22), third treater (24), the output shaft horizontal direction of second motor (22) sets up, the central axis of gyro wheel (23) with the output shaft fixed connection of second motor (22), gyro wheel (23) lower extreme passes second opening (25) with the horizon bar of U type pole (19) is laminated mutually, machinery dipstick (2) up end with the lower terminal surface fixed connection of shell (21) outer wall, second motor (22) with third treater (24) are connected, third treater (24) and user terminal wireless communication.

5. The hydraulic drive blast furnace burden surface mechanical probe of claim 4, which is characterized in that: and anti-skid grains are arranged on the outer wall of the horizontal rod of the U-shaped rod (19).

6. The hydraulic drive blast furnace burden surface mechanical probe of claim 4, which is characterized in that: a temperature sensor (27) is arranged on the inner wall of the shell (21) and close to the roller (23), and the temperature sensor (27) is connected with the third processor (24).

7. The hydraulic drive blast furnace burden surface mechanical probe of claim 6, which is characterized in that: still include the heat sink, the heat sink includes liquid nitrogen container (28), outlet duct (29), solenoid valve (30), be close to on shell (21) inner wall temperature sensor (27) department is provided with liquid nitrogen container (28), liquid nitrogen container (28) with shell (21) inner wall fixed connection, be provided with outlet duct (29) on liquid nitrogen container (28), outlet duct (29) one end with liquid nitrogen container (28) intercommunication, be provided with solenoid valve (30) on outlet duct (29), solenoid valve (30) with third treater (24) are connected.