Automatic lubrication control device of maintenance-free vibrating screen

Abstract

The automatic lubrication control device comprises an oil tank, a sealing platen is arranged on the upper end face of the oil tank, a motor is fixedly connected to the front end of the left side of the sealing platen, a hydraulic pump is arranged at the lower end of the motor, a PLC control panel is arranged at the rear end of the motor, and a filter is fixedly connected to the right side of the PLC control panel. A flow dividing valve block assembly is arranged on the right side of the motor, a pipeline set is arranged on the rear side of the flow dividing valve block assembly, a heat dissipation mechanism is arranged on the right side of the rear end of the pipeline set, a sensor structure set is arranged at the front end of the heat dissipation mechanism, all parameters in the device are collected through a PLC control panel, and workers can conveniently observe and effectively maintain the parameters; the heat dissipation mechanism is connected with the filter, the filter is connected with the pipeline set, the pipeline set is connected with the oil tank, the automation degree is high, parameter visualization is achieved, a host can be automatically protected, and refueling operation does not need to be conducted on each shift.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen lubrication devices, in particular to an automatic lubrication control device for a maintenance-free vibrating screen. Background Art

[0002] Existing vibrating screens all use grease for bearing lubrication and temperature reduction. Grease needs to be added in each shift and there is no guarantee that the bearing temperature can be reduced. Since there is no parameter monitoring, the main machine cannot be protected.

[0003] Patent No. CN202222944021.1 discloses a circulating oil lubrication device that can effectively reduce the temperature of a vibrating screen bearing. The device passes through a vibrating screen bearing body, one end of which is connected to a first oil pipe, one end of which is connected to an oil tank through an oil delivery port, the top of which is connected to a first valve through an oil inlet, a control panel is installed on the base surface of the oil tank, one end of the oil tank is connected to a circulating pipe through an oil delivery port, a mounting frame is fixedly installed on the top of the fixed frame, a cooling fan is installed on the inner side of the mounting frame, and the right end of the oil tank is connected to a second valve through an oil outlet. By arranging the first oil pipe, the second oil pipe, the oil tank, the first valve, the control panel, the circulating pipe, the oil pump, the mounting frame, the cooling fan and the cooling fins, an oil circulation is formed, which not only completes the refueling of the vibrating screen bearing body, but also has a cooling effect. However, the device has the following problems: first, the degree of automation is low; second, parameter visualization cannot be achieved, the host cannot be protected, and refueling operation is required for each shift, which is inefficient. Utility Model Content

[0004] The purpose of the utility model is to collect all parameters in the device through a PLC control panel to facilitate workers to observe and effectively maintain, use a diverter valve block assembly to connect a heat dissipation mechanism, use the heat dissipation mechanism to connect a filter, use the filter to connect a pipeline group, and use the pipeline group to connect an oil tank, so as to effectively solve the technical problems in the prior art that each shift needs to be refueled, the efficiency is low, parameter visualization cannot be achieved, and the degree of automation is low.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic lubrication control device for a maintenance-free vibrating screen comprises an oil tank, an upper end surface of the oil tank is provided with a sealing table, and the lower ends of the left and right sides of the oil tank are fixedly connected to support feet, the front end of the left side of the sealing table is fixedly connected to a motor, the lower end of the motor is provided with a hydraulic pump, and the hydraulic pump is arranged on the lower end surface of the sealing table, that is, inside the oil tank, and a PLC control panel is provided at the rear end of the motor, and the right side of the PLC control panel is fixedly connected to a filter;

[0007] A motor, a diverter valve block assembly is provided on the right side of the motor, a pipeline group is provided on the rear side of the diverter valve block assembly, a heat dissipation mechanism is provided on the right side of the rear end of the pipeline group, a sensor structure group is provided at the front end of the heat dissipation mechanism, an oil tank cover body is provided at the center position of the sensor structure group, and an oil return filter is provided at the lower end of the oil tank cover body.

[0008] As a preferred embodiment, a liquid inlet pipe is provided at the lower left side of the front end of the oil tank, a liquid level gauge is provided at the upper end of the liquid inlet pipe, the liquid level gauge is fixedly connected to the oil tank, and a dustproof sheet is provided at the upper end of the liquid level gauge, a nameplate block is provided on the right side of the liquid level gauge, the nameplate block is arranged at the center position of the upper end of the front side of the oil tank, an inspection port is provided at the center position of the right side surface of the oil tank, and external interfaces are provided on the front and rear sides of the upper end of the inspection port.

[0009] As a preferred embodiment, the diverter valve block assembly includes an upper valve block and a lower valve block, and connecting pipe openings are provided at the front end center positions of the upper valve block and the lower valve block, and the connecting pipe openings are respectively connected to four main machine bearings, and a connecting pipe is provided at the rear end of the diverter valve block assembly, and the other end of the connecting pipe is connected to a heat dissipation mechanism.

[0010] Preferably, the heat dissipation mechanism comprises an air cooler, a curved cooling plate is provided at the front end of the air cooler, an oil pipe is meandering inside the curved cooling plate, the left end of the oil pipe is connected to a filter, and the right end of the oil pipe is connected to a diverter valve block assembly.

[0011] Preferably, the pipeline group includes a lifting pipe, the lower end of which is connected to a hydraulic pump, and the other end of which is connected to a delivery main pipe, an upper end of which is provided with an opening, a rubber tube is connected in the opening, and the other end of the rubber tube is connected to a filter.

[0012] Preferably, the sensor structure group includes four identical temperature sensors and four identical oil return level sensors, and the temperature sensors and oil return level sensors are staggered and evenly distributed on the front and rear sides of the fuel tank cover.

[0013] As another preferred embodiment, a partition is provided at the center of the oil tank, through holes are evenly arranged on the surface of the partition, a No. 1 heater is provided inside the left side of the partition, and a No. 2 heater is provided inside the right side of the partition.

[0014] Beneficial effects of the utility model:

[0015] (1) In the utility model, an oil tank and a sensor structure group are provided to detect the temperature of the oil tank and automatically heat or dissipate the heat of the oil tank, thereby ensuring that the temperature of the oil flowing to the bearing is not lower than or higher than a set value.

[0016] (2) In the utility model, four return oil level sensors are provided to detect the lubrication flow of each bearing. If the flow is lower than the set value, the main engine will be shut down to protect the main engine. Four temperature sensors are provided to detect the temperature of the four bearings. If the temperature is too high, the main engine will be shut down to ensure that the bearings will not be burned out by high temperature.

[0017] (3) In the utility model, a filter is provided to ensure that the oil is clean.

[0018] (4) In the utility model, a motor is provided, and the motor drives a hydraulic pump to pump the hydraulic oil in the oil tank to the main machine, so that the four bearings of the main machine are lubricated and cooled.

[0019] (5) In the present invention, a PLC control panel is provided to perform automatic control, and all parameters and protections are automatically monitored.

[0020] In summary, the equipment has the advantages of high degree of automation, parameter visualization, automatic protection of the main engine and no need for refueling operation in each shift, and is particularly suitable for the technical field of vibrating screen lubrication devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the oil return filter in the utility model.

[0024] Figure 3 It is a structural schematic diagram of the wind cooler and the curved cooling plate of the utility model. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] like Figures 1 to 3As shown, the utility model provides an automatic lubrication control device for a maintenance-free vibrating screen, including an oil tank 1, a sealing table 2 is provided on the upper end surface of the oil tank 1, and the lower ends of the left and right sides of the oil tank 1 are fixedly connected to support feet 11, the front end of the left side of the sealing table 2 is fixedly connected to a motor 3, a hydraulic pump 31 is provided at the lower end of the motor 3, and the hydraulic pump 31 is arranged on the lower end surface of the sealing table 2, that is, inside the oil tank 1, and a PLC control panel 4 is provided at the rear end of the motor 3, and a filter 41 is fixedly connected to the right side of the PLC control panel 4;

[0028] The motor 3 is provided with a diverter valve block assembly 5 on the right side of the motor 3, a pipeline group 6 is provided on the rear side of the diverter valve block assembly 5, a heat dissipation mechanism 7 is provided on the right side of the rear end of the pipeline group 6, a sensor structure group 8 is provided at the front end of the heat dissipation mechanism 7, an oil tank cover body 12 is provided at the center position of the sensor structure group 8, and an oil return filter 13 is provided at the lower end of the oil tank cover body 12.

[0029] Further, a liquid inlet pipe 14 is provided at the lower left side of the front end of the oil tank 1, and a liquid level gauge 15 is provided at the upper end of the liquid inlet pipe 14. The liquid level gauge 15 is fixedly connected to the oil tank 1, and a dustproof sheet 16 is provided at the upper end of the liquid level gauge 15. A nameplate block 17 is provided on the right side of the liquid level gauge 15, and the nameplate block 17 is arranged at the center position of the upper end of the front side of the oil tank 1. An inspection port 18 is provided at the center position of the right side of the oil tank 1, and external interfaces 19 are provided at the front and rear sides of the upper end of the inspection port 18. The arrangement of the liquid inlet pipe 14 is convenient for replenishing the oil in the oil tank 1. The liquid level gauge 15 can intuitively observe the oil capacity inside the oil tank 1 and feed back the value to the PLC control panel 4. Workers can intuitively observe the liquid level inside the oil tank 1, which is convenient for timely replenishing the oil.

[0030] The nameplate block 17 is for the convenience of the factory to mark the manufacturer's name, which has a good publicity effect. The setting of the inspection port 18 is convenient for the inspection and cleaning of the return oil filter 13, and the external interface 19 is convenient for the connection of other equipment.

[0031] Furthermore, the diverter valve block assembly 5 includes an upper valve block 51 and a lower valve block 52, and the upper valve block 51 and the lower valve block 52 are each provided with a connecting pipe opening 53 at the front end center position, and the connecting pipe opening 53 is respectively connected to four main machine bearings, and a connecting pipe is provided at the rear end of the diverter valve block assembly 5, and the other end of the connecting pipe is connected to the heat dissipation mechanism 7. The diverter valve block assembly 5 utilizes the upper valve block 51 and the lower valve block 52 to divert the four bearings of the main machine in pairs, so as to facilitate the hydraulic oil to be introduced into the main machine, so that the four bearings of the main machine can be lubricated and cooled.

[0032] Furthermore, the heat dissipation mechanism 7 includes an air cooler 71, a curved cooling plate 72 is provided at the front end of the air cooler 71, an oil pipe is meandering inside the curved cooling plate 72, the left end of the oil pipe is connected to the filter 41, and the right end of the oil pipe is connected to the diverter valve block assembly 5. The air cooler 71 cools the oil pipe in the curved cooling plate 72, and uses a fan for air cooling, thereby effectively reducing the temperature of the oil passing through the curved cooling plate 72 and adjusting the oil output temperature.

[0033] Furthermore, the pipeline group 6 includes a lifting pipe 61, the lower end of the lifting pipe 61 is connected to the hydraulic pump 31, and the other end of the lifting pipe 61 is connected to the delivery main pipe 62. The upper end of the delivery main pipe 62 is provided with an opening 63, and a rubber tube is connected to the opening 63. The other end of the rubber tube is connected to the filter 41. The pipeline group 6 draws oil from the oil tank 1, and uses the hydraulic pump to pump the hydraulic oil from the lifting pipe 61 into the delivery main pipe 62. The oil in the delivery main pipe 62 enters the filter 41 to ensure that the oil is clean.

[0034] Furthermore, the sensor structure group 8 includes four identical temperature sensors 81 and four identical return oil level sensors 82. The temperature sensors 81 and return oil level sensors 82 are staggered and evenly distributed on the front and rear sides of the oil tank cover 12. The temperature sensor 81 is used to detect the temperature of the four bearings. If the temperature is too high, the main engine will be shut down to ensure that the bearings will not burn out due to high temperature. The return oil level sensor 82 is used to detect the lubrication flow of each bearing.

[0035] Furthermore, a partition 111 is provided at the center position inside the oil tank 1, and through holes 112 are evenly provided on the surface of the partition 111. A No. 1 heater 113 is provided inside the left side of the partition 111, and a No. 2 heater 114 is provided inside the right side of the partition 111. The partition 111 is used to separate the No. 1 heater 113 and the No. 2 heater 114. Without affecting the circulation of oil inside the oil tank 1, the No. 1 heater 113 and the No. 2 heater 114 are used to heat the oil at different temperatures, and then the return oil filter 13 is used to filter the oil to ensure that the oil is clean.

[0036] Working process: firstly, the oil enters the oil tank 1 through the inlet pipe 14, and then the motor 3 drives the hydraulic pump 31 to pump the hydraulic oil in the oil tank 1 into the lifting pipe 61, and the lifting pipe 61 passes the oil into the delivery main pipe 62, and the oil in the delivery main pipe 62 is pressed into the filter 41 by pressure for oil filtration, and then enters the heat dissipation mechanism 7, and the oil passes through the oil pipe winding inside the curved cooling plate 72, and then the oil in the curved cooling plate 72 is cooled by the air cooler 71, and then passed into the diverter valve block assembly 5, and passed into the four main engine bearings through the upper valve block 51 and the lower valve block 52 for lubrication;

[0037] It is worth mentioning that the PLC control panel can collect parameter information of the liquid level meter 15, temperature sensor 81, and return oil level sensor 82, and can also control the opening and closing of the motor 3, heater No. 1 13, and heater No. 2 114; the entire device has a high degree of automation, can realize parameter visualization, can automatically protect the main engine, and there is no need to perform refueling operations every shift.

[0038] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0039] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0040] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An automatic lubrication control device for a maintenance-free vibrating screen, characterized in that: include An oil tank (1), wherein a sealing table (2) is provided on the upper end surface of the oil tank (1), and the lower ends of the left and right sides of the oil tank (1) are fixedly connected to support legs (11), the front end of the left side of the sealing table (2) is fixedly connected to a motor (3), the lower end of the motor (3) is provided with a hydraulic pump (31), and the hydraulic pump (31) is arranged on the lower end surface of the sealing table (2), that is, inside the oil tank (1), and a PLC control panel (4) is provided at the rear end of the motor (3), and the right side of the PLC control panel (4) is fixedly connected to a filter (41); A motor (3), wherein a diverter valve block assembly (5) is provided on the right side of the motor (3), a pipeline group (6) is provided on the rear side of the diverter valve block assembly (5), a heat dissipation mechanism (7) is provided on the right side of the rear end of the pipeline group (6), a sensor structure group (8) is provided at the front end of the heat dissipation mechanism (7), an oil tank cover body (12) is provided at the center position of the sensor structure group (8), and an oil return filter (13) is provided at the lower end of the oil tank cover body (12).

2. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: A liquid inlet pipe (14) is provided at the lower left side of the front end of the oil tank (1), a liquid level gauge (15) is provided at the upper end of the liquid inlet pipe (14), the liquid level gauge (15) is fixedly connected to the oil tank (1), and a dustproof sheet (16) is provided at the upper end of the liquid level gauge (15), a nameplate block (17) is provided on the right side of the liquid level gauge (15), the nameplate block (17) is arranged at the center position of the upper end of the front side of the oil tank (1), an inspection port (18) is provided at the center position of the right side surface of the oil tank (1), and external interfaces (19) are provided at the front and rear sides of the upper end of the inspection port (18).

3. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: The diverter valve block assembly (5) comprises an upper valve block (51) and a lower valve block (52), and a connecting pipe opening (53) is provided at the center position of the front end of each of the upper valve block (51) and the lower valve block (52), and the connecting pipe opening (53) is respectively connected to four main machine bearings, and a connecting pipe is provided at the rear end of the diverter valve block assembly (5), and the other end of the connecting pipe is connected to the heat dissipation mechanism (7).

4. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: The heat dissipation mechanism (7) comprises an air cooler (71), a curved cooling plate (72) is provided at the front end of the air cooler (71), an oil pipe is provided windingly inside the curved cooling plate (72), the left end of the oil pipe is connected to a filter (41), and the right end of the oil pipe is connected to a diverter valve block assembly (5).

5. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: The pipeline group (6) comprises a lifting pipe (61), the lower end of the lifting pipe (61) is connected to the hydraulic pump (31), and the other end of the lifting pipe (61) is connected to the delivery main pipe (62), the upper end of the delivery main pipe (62) is provided with an opening (63), a rubber tube is connected in the opening (63), and the other end of the rubber tube is connected to the filter (41).

6. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: The sensor structure group (8) comprises four identical temperature sensors (81) and four identical oil return level sensors (82), wherein the temperature sensors (81) and the oil return level sensors (82) are staggered and evenly distributed on the front and rear sides of the oil tank cover (12).

7. The automatic lubrication control device for a maintenance-free vibrating screen according to claim 1, characterized in that: A partition (111) is provided at the center of the oil tank (1), through holes (112) are evenly arranged on the surface of the partition (111), a first heater (113) is provided inside the left side of the partition (111), and a second heater (114) is provided inside the right side of the partition (111).

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