阅读说明：本技术 一种甘蔗制糖压榨机轴瓦点对点智能打油系统 (Point-to-point intelligent oil pumping system for bearing bush of sugarcane sugar making squeezer ) 是由 刘荣 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种甘蔗制糖压榨机轴瓦点对点智能打油系统,包括无线测温前端,气动油泵单元、油路分配单元以及油路管理控制单元。本发明与现有技术相比的优点在于：无线传感器在线自动测温,防水防油,精度高；依据温度变化和各点预置参数自动打油润滑工作,具有油路堵塞,不出油指示功能；自动完成榨辊点对点打油,下送辊自动独立供油,充分发挥润滑油时效；容积计量打油,可设定单次量,精准节油；油路压力变化电子检测和数字化稳定控制。(The invention discloses a point-to-point intelligent oil pumping system for a bearing bush of a sugarcane sugar making squeezer, which comprises a wireless temperature measurement front end, a pneumatic oil pump unit, an oil path distribution unit and an oil path management control unit. Compared with the prior art, the invention has the advantages that: the wireless sensor can automatically measure the temperature on line, is waterproof and oilproof and has high precision; the automatic oil pumping and lubricating work is carried out according to the temperature change and the preset parameters of each point, and the automatic oil pumping and lubricating device has the functions of oil circuit blockage and no oil output indication; the point-to-point oiling of the press roller is automatically finished, the lower delivery roller automatically and independently supplies oil, and the lubricating oil aging is fully exerted; the volume metering is used for oiling, single amount can be set, and oil can be accurately saved; and (3) electronic detection and digital stable control of oil way pressure change.)

1. The utility model provides a point-to-point intelligence system of buying oil of sugarcane sugaring squeezer axle bush which characterized in that: the device comprises a bearing bush wireless temperature measurement front end, an oil path management control unit, a pneumatic oil pump unit and an oil path distribution unit;

the bearing bush wireless temperature measurement front end comprises a wireless temperature measurement sensor (1), a wireless centralized receiving host (2) and a background centralized monitoring computer (3); the wireless temperature measuring sensors (1) distributed on the temperature measuring points of the dozens of bearing bushes send temperature information acquired on site in a wireless radio frequency transmission mode, the temperature information is received and processed by one wireless centralized receiving host (2), the port output A of the wireless centralized receiving host is electrically connected with the oil way management control unit in a 485 communication mode to achieve the control purpose, and the port output B of the wireless centralized receiving host (2) is electrically connected with a background centralized monitoring computer (3) in the 485 communication mode to achieve the centralized monitoring purpose;

the oil path management control unit comprises a PLC (programmable logic controller) module (4), a human-computer interface (5) and a control power supply (6);

the PLC module (4) is electrically connected with the wireless centralized receiving host (2) in a 485 communication mode, and the human-computer interface (5) is electrically connected with the PLC module (4) in a communication mode and used for displaying temperature information, monitoring states and performing parameter control setting operation; the control power supply (6) is electrically connected with the pneumatic oil pump unit and the oil way distribution unit; the oil path management control unit is used for instruction issuing, parameter setting, state monitoring, data exchange and system upgrading;

the pneumatic oil pump unit comprises a user oil barrel (7), an electromagnetic pneumatic valve (8), a pneumatic triple piece (9), a connecting pipe (10), a plunger lubricating pump (11), an outlet pressure gauge (12), a filter (13), a main oil pipeline (14), a pressure transmitter (15), an electromagnetic oil pipeline distributor (16), a counting sensor (17), a high-pressure hose (18), an integrated barrel cover (19), a pump suction pipe (20) and an oil injection point (21);

the plunger lubricating pump (11) is tightly combined and connected with the dry oil barrel (7) through an integrated barrel cover (19) module, and the plunger lubricating pump (11) and the oil barrel (7) are inserted into lubricating grease in the barrel through a pump suction pipe (20); the working air inlet of the pneumatic triple piece (9) and the plunger lubricating pump (11) is connected to an external air source through an electromagnetic pneumatic valve (8); the inlet of the filter (13) is connected with the outlet of the plunger lubricating pump (11) through a connecting pipe (10); the outlet of the filter (13) is connected with one end of the pipe orifice of the main oil pipeline (14); the pressure transmitter (15) is arranged at the other end of the main oil pipeline (14) and is connected with a pipe orifice; the pressure transmitter (15) is electrically connected with a PLC (programmable logic controller) module (4) of the oil way management control unit; the plunger pump outlet pressure gauge (12) is connected with the pipe orifice end of the main oil pipeline (14);

the oil path distribution unit includes: the electromagnetic oil way distributor (16), the counting sensor (17), the high-pressure hose (18) and the oil way distribution box (22);

the oil distribution boxes (22) are multiple and are communicated with the main oil pipeline (14), and the oil distribution unit is electrically connected with the PLC program controller module (4) of the oil management control unit; one end of the high-pressure hose (18) is connected to the oil injection point of the bearing bush of the squeezer, and the other end of the high-pressure hose is connected to the output port of the corresponding electromagnetic oil way distributor (16) in the oil way distribution box (22); the counting sensor (17) is mechanically and tightly connected with the electromagnetic oil way distributor (16), and the counting sensor (17) is electrically connected with a PLC (programmable logic controller) module (4) of the oil way management control unit to complete counting processing and state monitoring of pulse signals.

2. The point-to-point intelligent oil pumping system for bearing bushes of a sugar cane making press according to claim 1, wherein: the combined system of the four units of wireless temperature measurement, oil path management control, pneumatic oil pump and oil path distribution is embodied in a brand-new temperature measurement transmission and monitoring mode of a squeezer bearing bush, a point-to-point automatic oil pumping mode and a core control scheme, a brand-new structural mode and control method of an electromagnetic oil path distributor and an application scheme of a metering detection method.

3. The point-to-point intelligent oil pumping system for bearing bushes of a sugar cane making press according to claim 1, wherein: a plurality of wireless temperature measuring sensors (1) arranged on a temperature measuring point transmit temperature information acquired on site in a wireless transmission mode, the temperature information is received and processed by a wireless centralized receiving host (2), a port output A of the wireless centralized receiving host is electrically connected with an oil way management control unit in a 485 communication mode to achieve the purpose of control, and a port output B of the wireless centralized receiving host (2) is electrically connected with a background centralized monitoring computer (3) in a 485 communication mode to achieve the purpose of centralized monitoring of temperature.

4. The point-to-point intelligent oil pumping system for bearing bushes of a sugar cane making press according to claim 1, wherein: the counting sensor (17) utilizes the movement of a plunger inside the electromagnetic oil way distributor (16) to drive the push rod to stretch, detects the movement period of the push rod, and obtains the dual functions of counting pulses for metering and monitoring the working state.

5. The point-to-point intelligent oil pumping system for bearing bushes of a sugar cane making press according to claim 1, wherein: the wireless temperature sensor, the wireless temperature receiving host, the communication manager and the control room monitoring screen are arranged on the control room; the temperature sensor is correspondingly arranged on a measuring point of the bearing bush of the squeezer; the wireless temperature receiving host is in wireless connection with a plurality of temperature sensors, and the number of the receiving temperature sensors can reach dozens; the communication manager is electrically connected with the wireless temperature receiving host through a communication line; the control room monitoring screen is electrically connected with the communication manager through a communication line; the oil path management control unit control center is electrically connected with the wireless temperature receiving host through a communication line.

Technical Field

The invention relates to the technical field of bearing bushes, in particular to a point-to-point intelligent oil pumping system for a bearing bush of a sugarcane sugar making squeezer.

Background

For decades, the temperature of the bearing bush of the squeezer in the sugar refinery is regularly measured by manual touch and an infrared gun, oil is pumped in a manual timing mode, and the methods of automatic cycle and timing and centralized oil pumping lubrication appear in recent years continue to the present. The infrared temperature measurement itself belongs to a reference means, and has great errors due to the influences of distance, angle, measuring point and gas phase. The temperature monitoring is acquired by rarely adopting wired thermal resistors, dozens of measuring lines and measuring points are arranged on site, so that inconvenience is brought to the working scene of the squeezer, and various problems are easily caused by the maintenance, the disassembly and the assembly of the squeezer to cause damage or failure, so that the squeezer is difficult to popularize and is not popular for many years. Although the automatic fixed-period and fixed-time oil pumping device in recent years replaces manual work and has technological progress, the technical method of adopting undifferentiated centralized oil pumping lubrication has no normative consideration, the consumption of lubricating oil products is large, the emission pollutes the environment greatly, the bearing bush of the squeezer does not realize reliable online temperature monitoring, and the control relation of closely combining temperature change and oil injection lubrication does not exist.

In order to solve the laggard situation of the application, a point-to-point intelligent oil pumping system for a bearing bush of a sugarcane sugar making press is provided.

Disclosure of Invention

In order to solve the technical problems, the technical scheme provided by the invention is a point-to-point intelligent oil pumping system for a bearing bush of a sugarcane sugar making press, which comprises the following steps:

a point-to-point intelligent oil pumping system for bearing bushes of a sugarcane sugar making press comprises: the device comprises a bearing bush wireless temperature measurement front end, an oil path management control unit, a pneumatic oil pump unit and an oil path distribution unit;

the wireless temperature measurement front end of the bearing bush comprises a wireless temperature measurement sensor, a wireless centralized receiving host and a background centralized monitoring computer; the wireless temperature measuring sensors distributed on the temperature measuring points of the dozens of bearing bushes send temperature information acquired on site in a wireless radio frequency transmission mode, the temperature information is received and processed by one wireless centralized receiving host, the port output A of the wireless centralized receiving host is electrically connected with the oil way management control unit in a 485 communication mode to achieve the control purpose, and the port output B of the wireless centralized receiving host is electrically connected with a background centralized monitoring computer in a 485 communication mode to achieve the centralized monitoring purpose;

the oil circuit management control unit comprises a PLC program controller module, a human-computer interface and a control power supply;

the PLC module is electrically connected with the wireless centralized receiving host in a 485 communication mode, and the human-computer interface is electrically connected with the PLC module in a communication mode and used for displaying temperature information, monitoring states and performing parameter control setting operation; the control power supply is electrically connected with the pneumatic oil pump unit and the oil way distribution unit; the oil path management control unit is used for instruction issuing, parameter setting, state monitoring, data exchange and system upgrading;

the pneumatic oil pump unit comprises a user oil drum, an electromagnetic pneumatic valve, a pneumatic triple piece, a connecting pipe, a plunger lubricating pump, an outlet pressure gauge, a filter, a main oil pipeline, a pressure transmitter, an electromagnetic oil pipeline distributor, a counting sensor, a high-pressure hose, an integrated barrel cover, a pump suction pipe and an oil injection point;

the plunger lubricating pump is tightly combined and connected with the dry oil barrel through the integrated barrel cover module, and the plunger lubricating pump and the oil barrel are inserted into lubricating grease in the barrel through a pump suction pipe; the working air inlet of the pneumatic triple piece and the plunger lubricating pump is connected to an external air source through an electromagnetic pneumatic valve; the inlet of the filter is connected with the outlet of the plunger lubricating pump through a connecting pipe; the outlet of the filter is connected with one end of a pipe orifice of the main oil pipeline; the pressure transmitter is arranged at the other end of the main oil pipeline and is connected with the pipe orifice; the pressure transmitter is electrically connected with a PLC (programmable logic controller) module of the oil way management control unit; the outlet pressure gauge of the plunger pump is connected with the pipe orifice end of the main oil pipeline;

the oil path distribution unit includes: the electromagnetic oil way distributor, the counting sensor, the high-pressure hose and the oil way distribution box;

the oil distribution boxes are multiple and are communicated with the main oil pipeline, and the oil distribution unit is electrically connected with the PLC module of the oil management control unit; one end of the high-pressure hose is connected to an oil filling point of a bearing bush of the squeezer, and the other end of the high-pressure hose is connected to an output port of a corresponding electromagnetic oil way distributor in the oil way distribution box; the counting sensor is mechanically and tightly connected with the electromagnetic oil way distributor, and the counting sensor is electrically connected with a PLC (programmable logic controller) module of the oil way management control unit to complete counting processing and state monitoring of pulse signals.

As an improvement, the combined system of the four units of wireless temperature measurement, oil path management control, pneumatic oil pump and oil path distribution is embodied in a brand-new temperature measurement transmission and monitoring mode of a squeezer bearing bush, a point-to-point automatic oil pumping mode and a core control scheme, a brand-new structural mode and control method of an electromagnetic oil path distributor and an application scheme of a metering detection method.

As an improvement, a plurality of wireless temperature measurement sensors arranged on a temperature measurement point transmit temperature information acquired on site in a wireless transmission mode, the temperature information is received and processed by a wireless centralized receiving host, the port output A of the wireless centralized receiving host is electrically connected with the oil way management control unit in a 485 communication mode to achieve the control purpose, and the port output B of the wireless centralized receiving host is electrically connected with a background centralized monitoring computer in a 485 communication mode to achieve the purpose of centralized monitoring of temperature.

As an improvement, the counting sensor utilizes the movement of a plunger inside the electromagnetic oil way distributor to drive the push rod to stretch, detects the movement period of the push rod, and obtains the counting pulse for the dual functions of metering and working state monitoring.

As an improvement, the wireless temperature sensor, the wireless temperature receiving host, the communication manager and the control room monitoring screen are arranged; the temperature sensor is correspondingly arranged on a measuring point of the bearing bush of the squeezer; the wireless temperature receiving host is in wireless connection with a plurality of temperature sensors, and the number of the receiving temperature sensors can reach dozens; the communication manager is electrically connected with the wireless temperature receiving host through a communication line; the control room monitoring screen is electrically connected with the communication manager through a communication line; the oil path management control unit control center is electrically connected with the wireless temperature receiving host through a communication line.

Compared with the prior art, the invention has the advantages that:

(1) the temperature is measured on line, the temperature of the bearing bush is monitored in a centralized mode, monitoring data meet the requirements of control tasks, and the device is high in precision, concise and reliable.

(2) Point-to-point oil pumping and lubrication are automatically completed according to the temperature and preset parameters, and manual and full-automatic work is replaced.

(3) The metering and oil pumping can be realized, the single oil pumping amount can be set, the oil pumping is more accurate, and the lubricating aging of the oil product is fully exerted.

(4) The intelligent management setting reduces greasy dirt and discharges as far as possible.

(5) Reliable and stable main oil way pressure detection and digital control ensure high-efficiency lubrication.

Drawings

Fig. 1 is a schematic structural diagram of a point-to-point intelligent oil pumping system for a bearing bush of a sugar cane mill according to the present invention.

Fig. 2 is a monitoring picture of a lubricating system in a point-to-point intelligent oil pumping system of a bearing bush of a sugar cane mill according to the present invention.

Fig. 3 is a setting picture of an operating mode in a point-to-point intelligent oil pumping system of a bearing bush of a sugarcane sugar making press according to the present invention.

Fig. 4 is a setting picture of oil-pumping threshold and metering oil-pumping in the point-to-point intelligent oil-pumping system of the bearing bush of the cane sugar making press of the present invention.

Fig. 5 is a system flow chart of the point-to-point intelligent oil pumping system for the bearing bush of the sugarcane sugar making press.

FIG. 6 is a side view of the working layout of the squeezer in the point-to-point intelligent oil pumping system of the bearing bush of the cane sugar making squeezer.

As shown in the figure: 1. a wireless temperature measuring sensor; 2. a wireless centralized receiving host; 3. a background centralized monitoring computer; 4. a PLC program controller module; 5. a human-machine interface; 6. controlling a power supply; 7. an oil drum; 8. an electromagnetic pneumatic valve; 9. a pneumatic triplet; 10. a connecting pipe; 11. a plunger lubrication pump; 12. an outlet pressure gauge; 13. a filter; 14. a main oil line; 15. a pressure transmitter; 16. an electromagnetic oil path distributor; 17. a counting sensor; 18. a high pressure hose; 19. a barrel cover is integrated; 20. a pump suction pipe; 21. oil injection points; 22. oil circuit distributor box.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The point-to-point intelligent oil pumping system for the bearing bush of the sugarcane sugar making squeezer is further described in detail with reference to the attached drawings.

With reference to the accompanying drawings, fig. 1 to 6 show a point-to-point intelligent oil pumping system for a bearing bush of a sugarcane sugar making press, which comprises four parts, namely a wireless temperature measurement front end of the bearing bush, an oil path management and control unit, a pneumatic oil pump unit and an oil path distribution unit;

the front end of the bearing bush for measuring the temperature comprises a bearing bush temperature measuring device; the system comprises a wireless temperature measuring sensor 1, a wireless centralized receiving host 2 and a background centralized monitoring computer 3. The temperature measurement transmission device is a mature temperature measurement transmission device which is deeply improved and upgraded according to the special requirements of a point-to-point intelligent oil pumping system of a press bearing bush pressed by software and hardware and is specially used for the temperature measurement transmission requirements of the scene. The wireless temperature measuring sensors 1 distributed on tens of bearing bush temperature measuring points transmit the temperature information acquired on site in a wireless radio frequency transmission mode, the temperature information is received and processed by one wireless centralized receiving host 2, the port output A of the wireless centralized receiving host 2 is electrically connected with an oil way management control unit in a 485 communication mode to achieve the control purpose, and the port output B of the wireless centralized receiving host 2 is electrically connected with a background centralized monitoring computer 3 in a 485 communication mode to achieve the centralized monitoring purpose.

Description is given; the operation monitoring of sugar industry to squeezer axle bush temperature has mostly adopted the timing hand to touch for decades, and infrared rifle temperature measurement mode is leading, and the mode of monitoring is gathered to the wired thermal resistance that very few adopt, because squeezer structural specificity and operation are disassembled and is maintained the characteristics that need, adopt wired several tens measuring points to bring a great deal of inconvenience because of the equipment field is rolled over the dismouting dress, very easily cause damage or failure, unpopular throughout the years, be difficult to popularize and use, realize the oiling lubrication with the temperature relevance through detecting temperature more. The wireless temperature measurement method is adopted in the scheme to thoroughly solve all the problems existing in the original various modes, and the core is to wirelessly transmit and intensively receive and process data of dozens of temperature measurement points in real time, so that a brand-new signal transmission, reliable and simple connection scheme is realized.

The oil path management control unit comprises; a PLC program controller module 4, a human-computer interface 5 and a control power supply 6.

The PLC module 4 is electrically connected with the wireless centralized receiving host 2 in a 485 communication mode, and the human-computer interface 5 is electrically connected with the PLC module 4 in a communication mode and used for displaying temperature information, monitoring states and performing parameter control setting operation. The control power supply 6 is electrically connected with the pneumatic oil pump unit and the oil path distribution unit. The oil path management control unit is used for instruction issuing, parameter setting, state monitoring, data exchange and system upgrading.

Description is given; the lubricating and oiling method for the bearing bush of the squeezer has been implemented by manually and automatically timing and non-differentiated oiling and lubricating modes with fixed periods for decades in the sugar industry, so far, the method has no direct correlation control with the temperature of the bearing bush, the oil consumption is high, the field pollution cannot be well controlled, and the defects are the control task contents finished by the oil circuit management and control unit, namely point-to-point oiling and lubricating parameter setting, oiling amount parameter setting, oil circuit state parameter monitoring, fault information and the like according to the temperature of the bearing bush. By surrounding the point-to-point oiling technical scheme, namely which point exceeds the set temperature threshold, the point is oiled and lubricated, the single oiling amount is determined by setting, other standby conditions are met, and the system sets the minimum oiling time limit safety guarantee. The oil way management control unit realizes intelligent lubrication management, full-automatic oiling, metering and oil injection, oil saving and saving, and oil pollution discharge reduction for the first time.

The pneumatic oil pump unit includes; the system comprises a user oil drum 7, an electromagnetic pneumatic valve 8, a pneumatic triple piece 9, a connecting pipe 10, a plunger lubricating pump 11, an outlet pressure gauge 12, a filter 13, a main oil pipeline 14, a pressure transmitter 15, an electromagnetic oil way distributor 16, a counting sensor 17, a high-pressure hose 18, an integrated barrel cover 19, a pump suction pipe 20 and an oil injection point 21.

Plunger lubricating pump 11 is connected with dry oil barrel 7 through integrated bung 19 module in close coupling, inserts among the lubricating grease in the bucket through pump suction pipe 20 between plunger lubricating pump 11 and the oil drum 7. The working air inlet of the pneumatic triple piece 9 and the plunger lubricating pump 11 is connected to an external air source through the electromagnetic pneumatic valve 8. The inlet of the filter 13 is connected with the outlet of the plunger lubrication pump 11 through a connecting pipe 10. The outlet of the filter 13 is connected with one end of the orifice of the main oil pipeline 14. The pressure transmitter 15 is arranged at the other end of the main oil pipeline 14 and connected with the pipe orifice. The pressure transmitter 15 is electrically connected with the PLC program controller module 4 of the oil path management control unit. The plunger pump outlet pressure gauge 12 is connected with the pipe end of the main oil pipeline 14.

Description is given; the oil pump chooses for use high-efficient pneumatic plunger lubricant pump 11, and its efficiency is higher than commonly used electric pump far away, and the energy consumption is low, and is small, and the integrated installation is on standard bung module, and is linked with external air source through pneumatic trigeminy piece 9 and connecting pipe 10 through electromagnetic pneumatic valve 8. The outlet of the plunger lubrication pump 11 is connected and output to a main oil pipeline 14 through a filter 13 to complete the transmission of the lubricating oil. The pressure transmitter 13 and the outlet pressure gauge 14 are used for oil pressure monitoring, the pressure transmitter 13 is electrically connected with the PLC module 4, the pressure signal of the main oil pipeline 14 is compared with the pressure range set by the human-computer interface 5, the oil pumping start and stop of the plunger lubrication pump 11 are controlled, and the pressure of the main oil pipeline 14 is in a stable range.

The oil path distribution unit includes: electromagnetic oil-way distributor 16, counting sensor 17, high-pressure hose 18 and oil-way distribution box 22,.

The oil distribution boxes 22 are multiple and are all communicated with the main oil pipeline 14, and the oil distribution units are electrically connected with the PLC program controller module 4 of the oil management control unit. One end of the high-pressure hose 18 is connected to the oil filling point of the squeezer bearing bush, and the other end is connected to the output port of the electromagnetic oil distributor 16 in the oil distribution box 22. The counting sensor 17 is mechanically and tightly connected with the electromagnetic oil way distributor 16, and the counting sensor 17 is electrically connected with the PLC module 4 of the oil way management control unit to complete the counting processing and state monitoring of the pulse signals.

Description is given; the oil-way distribution box 22 adopts a stainless steel thin box body to install and fix the electromagnetic oil-way distributors 16 with equal quantity in a plurality of same boxes, so that the electromagnetic oil-way distributors 16 are not exposed, and the site is ensured to be simple, beautiful and clean. The counting sensor 17 is installed at a detection hole position reserved in the electromagnetic oil way distributor 16, collects the oil discharge circulating pulse number of the oil way distributor, and sends the collected oil discharge circulating pulse number to the PLC program controller module 4 through electrical connection to be processed as a counting signal and a monitoring signal, so that the counting sensor has double functions of counting and monitoring. Because the quantity ml of the oil outlet of the selected electromagnetic oil way distributor 16 discharged in one circulation is fixed, the action times of the electromagnetic oil way distributor is recorded and processed to realize the volumetric metering management control, and meanwhile, the function of monitoring the working state of the oil way can be realized by setting a response feedback time according to the working response relation between the electromagnetic oil way distributor and the starting of the electromagnetic valve.

The wireless temperature measurement point-to-point intelligent oil pumping system for the bearing bush of the sugarcane sugar making press according to claim 1, characterized in that: the combined system of the four units of wireless temperature measurement, oil path management control, pneumatic oil pump and oil path distribution is embodied in a brand new temperature measurement transmission and monitoring mode of a squeezer bearing bush, a point-to-point automatic oil pumping mode and a core control scheme, a brand new structural mode and control method of an electromagnetic oil path distributor and an application scheme of a metering detection method.

In this embodiment, as shown in fig. 1 to 6, a plurality of wireless temperature measurement sensors 1 disposed at the temperature measurement point transmit the temperature information collected on site in a wireless transmission manner, and the temperature information is received and processed by the wireless centralized receiving host 2, the port output a of the wireless centralized receiving host 2 is electrically connected to the oil line management control unit in a 485 communication manner to achieve the purpose of control, and the port output B of the wireless centralized receiving host 2 is electrically connected to the background centralized monitoring computer 3 in a 485 communication manner to achieve the purpose of centralized monitoring of temperature.

In this embodiment, as shown in fig. 1 to 6, the counting sensor 17 utilizes the movement of the plunger inside the electromagnetic oil way distributor 16 to drive the push rod to extend and retract, so as to detect the movement period of the push rod and obtain the counting pulse for the dual functions of metering and working state monitoring.

In this embodiment, as shown in fig. 1 to 6, a wireless temperature sensor, a wireless temperature receiving host, a communication manager, and a control room monitoring screen; the temperature sensor is correspondingly arranged on a measuring point of the bearing bush of the squeezer; the number of the receiving temperature sensors can reach dozens; the communication manager is electrically connected with the wireless temperature receiving host through a communication line; the control room monitoring screen is electrically connected with the communication manager through a communication line; the oil path management control unit control center is electrically connected with the wireless temperature receiving host through a communication line.

In the invention, the oil pipeline adopts a single-wire system lubrication scheme, and has the advantages that: the oil circuit is simple, and the requirements of dozens of lubricating points of the squeezer can be met; maintenance is relatively less, and configuration cost of the lubricating device is relatively low; good oil supply can be ensured as long as the pressure of the main oil way is ensured to be stable.

The invention integrates the electromagnetic valve and the distributor, and adopts the parts meeting the pressure of 30MPa for integration; the detachable integrated electromagnetic valve and distributor can reduce the pressure loss and the design of joints; two outlets of the distributor are combined into an outlet high-efficiency point-to-point distribution oil pumping layout; the stainless steel pipes are connected outside the lead-out box and are orderly arranged, beautiful and practical; the stainless steel pipe and the high-pressure hose adopt a ferrule type joint, leakage can be effectively prevented, and maintenance is quicker.

In the invention, the high-efficiency pneumatic plunger lubricating pump is adopted, and the flow rate is nearly three times of that of a common electric pump; primary filtration is adopted in a main oil path at the outlet of the pump, and secondary filtration is adopted in a branch oil path distribution box; the pneumatic oil pump has the advantages of 3-10 air supply pressure and reliable work. Has the advantages that: the pneumatic plunger pump has small volume, low energy consumption and high efficiency; the invention is a control system which shares the main oil circuit and the system control, the press roller shaft is the point-to-point metering oil pumping, and the lower delivery roller is the control form of timing metering oil pumping; the oil way distributor is completely arranged in the stainless steel box and is not exposed, and the site is clean.

With reference to the attached drawings, fig. 5 shows the working flow of the invention: setting the pressure range of a main oil way, the temperature oiling upper and lower thresholds of a bearing bush, the single oiling amount, the overtemperature oiling frequency, the lower feeding roller oiling interval, the oil outlet feedback time and the oil pump control mode on an oiling setting interface of a management control center, and automatically completing control operation according to program management by starting a system without manual interference; the temperature oiling threshold, the oiling amount and the like of the bearing bush can be modified in real time according to the working conditions during operation, the system work is not influenced, and manual control oiling can be changed at any time under special conditions.

In the invention, wireless temperature measuring sensors distributed on the bearing bush site of the squeezer transmit measured temperature data to a wireless temperature receiving host in a wireless transmission mode, and the wireless temperature receiving host transmits the data to a computer screen of a monitoring room and a management control center through a communication line. The temperature measurement system has the advantages that: the temperature measuring system is simple, and the temperature of the bearing bush is monitored in a centralized manner; the sensor is in wireless connection on site, and is waterproof and oilproof; the temperature early warning and alarm can be set; tens of sensor information can be received simultaneously, and the wireless receiving host works reliably within 200 meters; the wireless sensor is waterproof and oilproof, can adapt to the application of bearing bush temperature measurement, and the transmission distance is 200 meters, and the temperature measurement data is refreshed and sent once in 1 minute, and the adaptive environment temperature is-20 ~ 55 ℃.

In the invention, a computer screen of a monitoring room is used for monitoring the temperature of the bearing bush in a centralized manner, and a temperature early warning line and an alarm value can be set; the color change prompt of the temperature early warning point is visual; the diverse temperature data can be preserved for many years.

In the invention, the management control center is taken as a main body, the bus is divided into two paths to be connected with the oil way distribution box, and the two paths of bus control have the advantages that: the problem caused by a control cable is reduced, and the reliability of the system is improved; the fault of the oil way distribution box module does not influence the reading and execution response speed of the main station; the problem is limited among cells, and the anti-interference capability is improved; the hand-in-hand bus mode plays a role in balancing adjacent slave stations once the slave stations enter and exit.

In the invention, as shown in fig. 2-4, the control software of the management control center is divided into three monitoring pictures which are respectively used for lubricating system monitoring, working mode setting, oil-filling threshold setting and metering oil-filling setting;

because the volume of the oil cavity in the oil way distributor is fixed, the detection method and the processing mode of the oil outlet quantity can be found as long as the circulation period information of the oil way distributor is detected. Therefore, the metering sensor utilizes the movement of the plunger inside the distributor to drive the push rod to stretch and retract, and the period can be obtained by detecting the movement of the push rod. For example, the discharge capacity of one port of the distributor is 0.8 ml/cycle, the feeding roller is 0.6 ml/cycle, namely, one pulse is respectively represented, and the pulse is used as a counting signal to be fed back to the control center for processing; the oil amount needed to be pumped once, namely the oil amount needed to be pumped once, can be roughly measured according to the effective lubricating oil film surface of the bearing bush of the squeezer, and the oil amount is added to the setting.

The technical performance of the invention is as follows:

(1) the pressure range of the main oil way is 6-18 MPa, and the safe working range is 20 MPa.

(2) The single oil injection amount can be set to 3.2 ml-50 ml, and the oil injection frequency can be set to 1-30 minutes.

(3) The point-to-point automatic oiling temperature area (15-90 degrees) can be arranged.

(4) The oil feeding interval (5-50 minutes) can be set.

(5) The working range of the wireless temperature sensor is 200 meters, and the measurement precision is +/-2 degrees.

(6) The working pressure of the air source of the pneumatic pump is 0.3 to 10.MPa, and the pressure ratio is 50: 1.

(7) The maximum oil pump outlet flow was 1.3 liters/1 minute.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.