CN214788974U

CN214788974U - Lubricating device for centrifugal machine transmission system

Info

Publication number: CN214788974U
Application number: CN202120443513.5U
Authority: CN
Inventors: 姚孟飞; 曹建明; 薛臻; 贺丹; 蒋杰
Original assignee: Datong Fenlei Washing Equipment Co ltd
Current assignee: Datong Fenlei Washing Equipment Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-19
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a lubricating arrangement for centrifuge transmission system, belong to the lubricated field of centrifuge, including the lubricating-oil tank, the oil tank apron, the oil filler hole, including a motor, an end cap, a controller, and a cover plate, the oil pump, go out oil pipe, return oil pipe, the oil tank apron is fixed in the top of lubricating-oil tank, the lubricating-oil tank top is equipped with the oil filler hole, the lubricating-oil tank is connected after oil pump inlet end is connected with Y type filter through the pipeline, the oil pump goes out oil end and connects with strong magnetic filter and oil detection component in proper order, later with go out oil pipe intercommunication again, it is direct continuous with the lubricating-oil tank to return oil pipe, the lubricating-oil tank bottom still is provided with the oil drain valve. Use the utility model has the advantages that: multiple filters are arranged at the oil inlet end and the oil outlet end of the oil pump to filter impurities in the lubricating oil; an oil detection element is also arranged to detect the oil outlet condition of the lubricating oil in real time, so that the problem of poor lubrication caused by the oil quantity is avoided; still set up the motor apron on the motor, shelter from the dust that centrifuge operation was taken up, guarantee the normal operating of motor.

Description

Lubricating device for centrifugal machine transmission system

Technical Field

The utility model relates to a lubricated field of centrifuge especially relates to a lubricating arrangement for centrifuge transmission system.

Background

The centrifugal machine is a device for separating solid and liquid by centrifugal force, the centrifugal filtration is to add the processed water-containing material on a rotating conical screen surface, the solid clings to the screen surface to rotate along with a rotor under the action of the centrifugal force, the liquid is thrown out and collected through material gaps and screen slits, the operation environment is high-speed operation, the lubricating requirement on each part is higher, the use requirement on the centrifugal machine is continuously improved along with the continuous improvement of the material separation requirement, the more and more materials which are difficult to separate are required at present, the higher and higher separation factor of the centrifugal machine is required, the higher and higher lubricating requirement on a bearing is required, the higher and higher requirement on the purity of the lubricating oil is also required, but the defects exist in the use process of the existing lubricating device, such as unstable oil supply pressure and reduced oil supply can cause bearing lubrication failure, the bearing temperature can be increased, even cause the bearing to be damaged due to insufficient lubrication; the lubricating oil contains impurities, which can cause the quick damage of the centrifugal machine bearing under the condition of quick operation and bring fatal damage to the stable operation of equipment. Therefore, a lubricating device capable of effectively filtering lubricating oil and timely finding out hidden troubles of poor oil supply is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough in the above-mentioned background art, the utility model provides a lubricating arrangement for centrifuge transmission system uses Y type filter and strong magnetic filter to filter lubricating oil, guarantees that lubricating oil does not have impurity, is furnished with oily detecting element simultaneously and monitors the lubricated oil mass, sets up heat exchange device and reduces the oil temperature and solve above-mentioned technical not enough.

In order to achieve the above object, the utility model provides a lubricating arrangement for centrifuge transmission system, including centrifuge, still include lubricating-oil tank, oil tank cover plate, oil filler hole, motor, oil pump, play oil pipe, return oil pipe, its characterized in that: the centrifugal machine is provided with an oil inlet, an upper bearing, a lower bearing and an oil outlet, an oil inlet channel is respectively arranged above the upper bearing and the lower bearing, the oil inlet is connected with the oil inlet channel, an oil outlet channel is arranged below the lower bearing, the oil outlet channel is connected with the oil outlet, the centrifugal machine is also provided with a control box, a control circuit and a control element are arranged in the control box, an oil tank cover plate is fixed above a lubricating oil tank, the top of the lubricating oil tank is provided with an oil filling port, the oil inlet end of the oil pump is connected with the lubricating oil tank through a pipeline, a Y-shaped filter is arranged on the pipeline connecting the oil pump and the lubricating oil tank, a motor drives the oil pump to operate, the oil outlet end of the oil pump is communicated with an oil outlet pipe through a pipeline, the oil outlet pipe is connected with the oil inlet of the centrifugal machine, and a strong magnetic filter and an oil detection element are sequentially arranged on the pipeline connecting the oil pump and the oil outlet pipe, the oil detection element is connected to the control box, an oil return pipe is directly connected with the lubricating oil tank body, the oil return pipe is connected with an oil outlet of the centrifuge, and an oil discharge valve is further arranged at the bottom of the lubricating oil tank.

Further, the oil inlet is connected with the oil inlet channel through an oil pipe, the oil pipe is divided into two parts which are respectively connected with the two oil inlet channels, and the oil outlet channel is connected with the oil outlet through the oil pipe.

Further, the oil tank cover plate is fixed on the lubricating oil tank through a bolt, and a cover plate seal is arranged between the oil tank cover plate and the lubricating oil tank.

Furthermore, the bottom in the lubricating oil tank is also provided with a heat exchange device, the oil inlet end of the heat exchange device is connected with the oil return pipe, and the oil outlet end of the heat exchange device is connected with the lubricating oil tank.

Further, the top of the motor is also provided with a motor cover plate.

Furthermore, a filter screen is arranged in the oil filling port.

Further, the motor is fixed on the oil tank cover plate through a motor support, the motor is arranged above the oil pump, and the motor and the oil pump are connected through a coupler.

Further, the oil detecting element is an oil pressure detecting sensor or a lubricating oil amount sensor or a combination of the oil pressure detecting sensor and the lubricating oil amount sensor.

Compared with the prior art, use the beneficial effects of the utility model reside in that: the device separates the lubricating device from the centrifugal equipment, can effectively ensure the lubricating quality, and simultaneously, when the equipment breaks down, redundant equipment spare parts do not need to be disassembled, thereby reducing the maintenance time and ensuring the working efficiency; the oil inlet end and the oil outlet end of the oil pump are respectively provided with a Y-shaped filter and a strong magnetic filter, so that impurities in the lubricating oil are filtered, and the use of equipment is not influenced in the lubricating process; an oil outlet end of the oil pump is also provided with an oil detection element, so that the oil outlet condition of the lubricating oil is detected in real time, the problem of poor lubrication caused by the oil quantity is avoided, and the stable operation of a centrifugal separation system is ensured; the motor is also provided with a motor cover plate to shield dust brought up by the operation of the centrifuge and ensure the normal operation of the motor; and a heat exchange device is arranged in the lubricating oil tank, so that the temperature of the lubricating oil is reduced, and the lubricating quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a lubricating device for a transmission system of a centrifuge according to a preferred embodiment of the present invention.

Fig. 2 is a front view of the preferred embodiment of the present invention.

Fig. 3 is a top view of the preferred embodiment of the present invention.

Fig. 4 is a sectional view of a centrifuge according to a preferred embodiment of the present invention.

Fig. 5 is a partially enlarged view of a in fig. 4.

Wherein: 1. a fuel tank cover plate; 2. sealing the cover plate; 3. a lubricating oil tank; 4. a motor; 5. an oil pump; 6. a Y-type filter; 7. An oil filler; 8. a strong magnetic filter; 9. an oil detection element; 10. an oil outlet pipe; 11. an oil return pipe; 12. a control box; 31. an oil discharge valve; 41. a motor cover plate; 42. a motor bracket; 101. a rotary drum; 102. a bearing housing; 103. rotating the main shaft; 104. an oil inlet; 105. an upper bearing; 106. a lower bearing; 107. and an oil outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description is made with reference to the accompanying drawings for the scheme of the preferred embodiment of the present invention, it is noted that the present invention is not limited to the preferred embodiment described below, and within the knowledge range of the ordinary skilled in the art, other transformations made without creative thinking all belong to the protection scope of the present invention, and meanwhile, the mechanism or device not described in detail in the embodiment of the present invention is the conventional technology, and the implementer can perform corresponding type selection according to the corresponding function to meet the use requirement.

Example 1: referring to fig. 1 to 5, a lubricating device for a transmission system of a centrifuge, comprising a centrifuge, a lubricating oil tank 3, a tank cover plate 1, an oil filler 7, a motor 4, an oil pump 5, an oil outlet pipe 10, and an oil return pipe 11, wherein the lubricating oil tank 3 is cuboid, the tank cover plate 1 is fixed on the lubricating oil tank 3 through bolts, so as to ensure stability and subsequent maintenance and replacement of the tank cover plate 1, the tank cover plate 1 is arranged to provide an installation position for an upper component, so as to avoid lubricating oil pollution caused by too many holes drilled on the lubricating oil tank 3, and a cover plate seal 2 is arranged between the tank cover plate 1 and the lubricating oil tank 3 to ensure the sealing of the oil tank, the cover plate seal 2 is made of a common sealing material, the oil filler 7 is arranged at the top of the lubricating oil tank 3, so as to add lubricating oil into the lubricating oil 3, and a filter screen is also arranged inside the oil filler 7, for filtering the crude oil when filling the lubricating oil tank 3 with oil. An oil pump 5 is arranged above the lubricating oil tank 3, the oil inlet end of the oil pump 5 is connected with a Y-shaped filter 6 through a pipeline, and then is communicated with the lubricating oil tank 3, the Y-shaped filter 6 is arranged at the position, so that lubricating oil is filtered before the oil pump 5 takes oil, and meanwhile, impurities filtered by the Y-shaped filter 6 can be taken out conveniently.

The centrifuge is provided with an oil inlet 104, an upper bearing 105, a lower bearing 106 and an oil outlet 107, the upper bearing 105 and the lower bearing 106 are arranged in a bearing box 102, the whole bearing box is arranged around a rotating main shaft 103, the rotating main shaft 103 controls the rotating drum 101 to rotate at a high speed to perform a separation process, oil inlet channels are respectively arranged above the upper bearing 105 and the lower bearing 106, namely in the bearing box, the oil inlet 104 is arranged on the side surface of the middle position of the centrifuge, the oil inlet 104 is connected with the oil inlet channels through oil pipes, the oil pipes are divided into two parts and are respectively connected with the two oil inlet channels, an oil outlet channel is arranged below the lower bearing 106, the oil outlet channel is connected with the oil outlet 107 through the oil pipes, the oil outlet 107 is arranged on the side surface of the lower position of the centrifuge, the centrifuge is also provided with a control box 12, the control box 12 mainly controls the start and stop of the centrifuge, and the centrifuge, the control box 12 is connected with an oil detection element 9 on the lubricating apparatus. Preferably, the oil pipe is a high-pressure steel wire braided rubber hose.

The motor 4 is fixed on the oil tank cover plate 1 through the motor support 42 and is arranged above the oil pump 5 to drive the oil pump 5 to run, the motor 4 is connected with the oil pump 5 through a coupler, the motor 4 is arranged above the oil pump 5 to save the plane space on one hand, and on the other hand, the motor 4 is arranged above the oil pump 5 to shield other components without shielding other components, so that the subsequent cleaning and replacement of other components are facilitated, the oil outlet end of the oil pump 5 is sequentially connected with the strong magnetic filter 8 and the oil detection element 9, and then is connected with the oil outlet pipe 10, the oil outlet pipe 10 is connected with the oil inlet 104 of the centrifuge, after entering from the oil inlet 104, the lubricating oil respectively flows into the upper bearing 105 and the lower bearing 106 through the oil pipe and correspondingly lubricates the rotating main shaft 103 in the moving process, then the lubricating oil is gathered below the lower bearing 106 and flows to the oil outlet 107 through the oil outlet channel and the oil outlet 107, and the oil outlet 107 is connected with the oil return pipe 11, and after the lubrication is finished, the lubricating oil returns to the lubricating oil tank 3 again through the oil return pipe 11 to finish the lubrication.

Furthermore, because lubricating oil moves at a high speed in the lubricating process, and the oil temperature is high, a heat exchange device is further arranged inside the lubricating oil tank 3, the lubricating oil gathered from the oil return pipe 11 firstly enters the heat exchange device to be cooled and then returns to the lubricating oil tank 3, so that the oil temperature of the lubricating oil is reduced, and the lubricating effect is improved.

The strong magnetic filter 8 is formed by combining a strong magnetic material with high coercivity and a blocking filter screen, the adsorption force is ten times that of a common magnetic material, the strong magnetic filter has the capacity of adsorbing micron-sized ferromagnetic pollutants under the condition of instantaneous liquid flow impact or high flow rate, and can overcome the defect that the ferromagnetic pollutants which are punched under high-speed large impact are adsorbed again, so that the jamming or friction wear of a hydraulic element is avoided, the service lives of the hydraulic element and a hydraulic system are prolonged, and the reliability of the hydraulic system is enhanced. The oil detecting element 9 is used for monitoring the pressure and the oil amount passing through the lubricating oil, and may be an oil pressure detecting sensor or a lubricating oil amount sensor or a combination of the two, and preferably, in the embodiment, the oil detecting element 9 is a lubricating oil amount sensor; the bottom of the lubricating oil tank 3 is further provided with an oil drain valve 31 for draining the lubricating oil in the lubricating oil tank 3, and preferably, the oil drain valve 31 is a stainless steel ball valve.

Further, because the working place of the centrifuge is accompanied with a certain amount of fine dust, in order to ensure the normal operation of the motor, the top of the motor 4 is also provided with a motor cover plate 41 for shielding floating dust.

Further, in order to guarantee the detection effect of the oil detection element 9, the oil detection element 9 is connected with the control box 12, when the oil supply pressure or the flow detected by the oil detection element 9 is lower than a set value, the control box 12 can give an alarm and stop the operation of the centrifugal machine, the alarm reminds a worker to repair, and the stop of the system operation is to avoid continuing to operate under the condition that lubricating oil is lacked, so that a certain damage is caused to a bearing, and the centrifugal effect is influenced.

Claims

1. The utility model provides a lubricating arrangement for centrifuge transmission system, includes centrifuge, still includes lubricating-oil tank (3), oil tank cover board (1), oil filler hole (7), motor (4), oil pump (5), goes out oil pipe (10), returns oil pipe (11), its characterized in that: the centrifugal machine is provided with an oil inlet (104), an upper bearing (105), a lower bearing (106) and an oil outlet (107), an oil inlet channel is arranged above the upper bearing (105) and the lower bearing (106) respectively, the oil inlet (104) is connected with the oil inlet channel, an oil outlet channel is arranged below the lower bearing (106), the oil outlet channel is connected with the oil outlet (107), the centrifugal machine is further provided with a control box (12), the oil tank cover plate (1) is fixed above the lubricating oil tank (3), the top of the lubricating oil tank (3) is provided with an oil filling port (7), the oil inlet end of the oil pump (5) is connected with the lubricating oil tank (3) through a pipeline, meanwhile, a Y-shaped filter (6) is arranged on a pipeline connected with the oil pump (5) and the lubricating oil tank (3), the motor (4) drives the oil pump (5) to run, and the oil outlet end of the oil pump (5) is communicated with the oil outlet pipe (10) through a pipeline, go out oil pipe (10) and link to each other with centrifuge oil inlet (104), be provided with strong magnetic filter (8) and oily detecting element (9) in proper order simultaneously on the pipeline that oil pump (5) and play oil pipe (10) are connected, oily detecting element (9) still are connected with control box (12), return oil pipe (11) and directly link to each other with lubricated oil tank (3) box, return oil pipe (11) and link to each other with centrifuge oil-out (107), lubricated oil tank (3) bottom still is provided with oil drain valve (31).

2. A lubrication device for a centrifuge drive system according to claim 1, wherein: the oil inlet (104) is connected with the oil inlet channels through oil pipes, the oil pipes are divided into two parts which are respectively connected with the two oil inlet channels, and the oil outlet channels are connected with the oil outlet (107) through the oil pipes.

3. A lubrication device for a centrifuge drive system according to claim 1, wherein: the oil tank cover plate (1) is fixed on the lubricating oil tank (3) through a bolt, and a cover plate seal (2) is arranged between the oil tank cover plate (1) and the lubricating oil tank (3).

4. A lubrication device for a centrifuge drive system according to claim 1, wherein: and a heat exchange device is further arranged in the lubricating oil tank (3), the oil inlet end of the heat exchange device is connected with the oil return pipe (11), and the oil outlet end of the heat exchange device is connected with the lubricating oil tank (3).

5. A lubrication device for a centrifuge drive system according to claim 1, wherein: and a motor cover plate (41) is also arranged at the top of the motor (4).

6. A lubrication device for a centrifuge drive system according to claim 1, wherein: a filter screen is arranged in the oil filling port (7).

7. A lubrication device for a centrifuge drive system according to any of claims 1 or 5, wherein: the motor (4) is fixed on the oil tank cover plate (1) through a motor support (42), the motor (4) is arranged above the oil pump (5), and the motor and the oil pump are connected through a coupler.

8. A lubrication device for a centrifuge drive system according to claim 1, wherein: the oil detection element (9) is an oil pressure detection sensor or a lubricating oil quantity sensor or a combination of the oil pressure detection sensor and the lubricating oil quantity sensor.