Oil supplementing device suitable for rolling mill bearing box
The lubrication system addresses the issue of inadequate lubrication in rolling mill bearing housings by automatically replenishing oil based on level monitoring, ensuring consistent and reliable operation.
Patent Information
- Application Number
- CN202422556122.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The bearing box cannot replenish lubricant in time when oil is short of oil, which will affect its use effect. The existing regular oil replenishment operations cannot meet the actual needs.
An oil replenishment device including a liquid level monitoring part, an oil storage barrel, an oil outlet part, a connector and an oil replenishment part was designed. The lubricating oil level was detected in real time through liquid level monitoring, and the lubricating oil supplement was controlled by hydraulic cylinders and solenoid valves to ensure that the lubricating oil level was within a reasonable range.
Timely oil replenishment of the bearing box is achieved, lubricating effect is ensured, and reliable operation of the bearing box is ensured.
Smart Images
Figure CN223105797U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an oil replenishing device, in particular to a device capable of replenishing lubricating oil into a rolling mill bearing box, belonging to the technical field of bearing box oil replenishing equipment. Background Art
[0002] There are various rollers on the rolling line, and both sides of the rollers are rotationally supported by bearing boxes; the bearing boxes play the roles of bearing lubrication, cooling, and cleaning of rotating components; during operation, the lower bearing balls of the oil bath-cooled bearings are soaked in the thin oil in the bearing box, and due to the action of centrifugal force and inertia, the bearing balls drive the thin oil to lubricate inside the bearing; in the actual use process, there are various losses of the lubricating oil in the bearing box, which causes the liquid level of the lubricating oil in the bearing box to continuously drop. To ensure the smooth operation of the bearing box, it is necessary to regularly replenish oil to the bearing box; however, during the period from when the bearing box lacks oil to when it is replenished with oil, the bearing box cannot obtain a good lubrication effect, which affects its use effect. That is to say, if the bearing box cannot be replenished with lubricating oil in time, it will affect the performance of the bearing box, and the operation of regular oil replenishment cannot meet the actual needs; therefore, an oil replenishing device is needed, which is required to be able to replenish oil to the bearing box in time, so as to ensure that the liquid level of the lubricating oil inside it is in a reasonable position. Summary of the Utility Model
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an oil replenishing device applicable to a rolling mill bearing box, which can replenish oil to the oil-lacking bearing box in the first time, so as to ensure the reliable operation of the bearing box.
[0004] The problems of the utility model are solved by the following technical solutions:
[0005] An oil replenishing device applicable to a rolling mill bearing box includes a liquid level monitoring part, an oil storage barrel, an oil outlet part, a connecting piece, and an oil replenishing part; the liquid level monitoring part is arranged on the top end surface of the bearing box housing; the oil storage barrel is arranged on the ground through a bracket and is located above the bearing box; both the oil outlet part and the oil replenishing part are arranged on the oil storage barrel; the connecting piece is arranged at the bottom end of the oil storage barrel and is connected to the oil injection hole of the bearing box.
[0006] The above-mentioned oil replenishing device applicable to the rolling mill bearing housing, wherein the liquid level monitoring part includes a sealing cylinder, a floating plate, a vertical rod, a first magnetic block, a second magnetic block, a U-shaped guiding plate and an infrared distance measuring instrument; a hole is provided at the top end of the bearing housing, one end of the opening of the sealing cylinder is arranged at the top end of the bearing housing, and the lower end opening of the sealing cylinder is communicated with the hole at the top end of the bearing housing; the floating plate is arranged inside the bearing housing and floats on the liquid surface of the lubricating oil inside the bearing housing; the vertical rod is arranged at the center of the top surface of the floating plate, and the vertical rod passes through the hole at the top end of the bearing housing and is inserted into the sealing cylinder; a first magnetic block is arranged at the top end of the vertical rod; the U-shaped guiding plate is arranged on the top surface of the bearing housing and is located on one side of the sealing cylinder; the second magnetic block is slidably arranged in the inner groove of the U-shaped guiding plate, and the first magnetic block and the second magnetic block are adsorbed to each other across the sealing cylinder; the infrared distance measuring instrument is arranged at the top end of the U-shaped guiding plate, and its infrared transmitting end points to the second magnetic block; the signal output end of the infrared distance measuring instrument is connected with the signal input end of the CPU.
[0007] The above-mentioned oil replenishing device applicable to the rolling mill bearing housing, wherein the oil outlet part includes a hydraulic cylinder and a pressing plate; the housing of the hydraulic cylinder is arranged at the top end of the oil storage barrel, and the end of its piston rod passes through the sealing hole at the center of the top surface of the oil storage barrel; a pressing plate is arranged at the end of the piston rod of the hydraulic cylinder, and the pressing plate is located inside the oil storage barrel. A sealing ring is arranged along the outer edge of the pressing plate, and the outer edge of the sealing ring fits with the inner wall of the oil storage barrel; the signal input end of the hydraulic cylinder is connected with the signal output end of the CPU.
[0008] The above-mentioned oil replenishing device applicable to the rolling mill bearing housing, wherein the connecting part includes a hose, a first electromagnetic valve and a second electromagnetic valve; a hole is provided at the top end of the oil storage barrel, the top end of the hose is connected with the hole at the bottom end of the oil storage barrel, and the bottom end of the hose is connected with the oil injection hole of the bearing housing; a first electromagnetic valve is arranged at the top end of the hose, and a second electromagnetic valve is arranged at the bottom end of the hose.
[0009] The above-mentioned oil replenishing device applicable to the rolling mill bearing housing, wherein the oil replenishing part includes an oil replenishing pipe and a valve; the oil replenishing pipe is arranged at the top end of the outer wall of the oil storage barrel and communicates with the inner wall of the oil storage barrel; the valve is arranged on the oil replenishing pipe; strip-shaped holes are arranged along the vertical direction on the side wall of the oil storage barrel, and a perspective glass window is hermetically arranged in the strip-shaped holes.
[0010] The utility model monitors the liquid level height of the lubricating oil in the bearing housing in real time through the liquid level detection part; through the cooperation of the oil storage barrel and the oil outlet part, the lubricating oil in the oil storage barrel is injected into the bearing housing through the connecting part, so as to ensure that the liquid level in the bearing housing is within a reasonable range; the oil in the oil storage barrel is replenished through the oil replenishing part to ensure that it can smoothly refuel the bearing housing. Description of the Drawings
[0011] Figure 1 It is a schematic structural diagram of the utility model;
[0012] Figure 2 This is a schematic cross-sectional view of the liquid level monitoring part of the present utility model.
[0013] The list of each label in the figure is as follows: 1. Oil storage barrel, 2. Sealing cylinder, 3. Floating plate, 4. Vertical rod, 5. First magnetic block, 6. Second magnetic block, 7. Infrared rangefinder, 8. Hydraulic cylinder, 9. Hose, 10. Oil replenishing pipe. Specific embodiments
[0014] Refer to Figure 1 and Figure 2 The present utility model includes a liquid level monitoring part, an oil storage barrel 1, an oil outlet part, a connecting piece and an oil replenishing part; the liquid level monitoring part is arranged on the top surface of the bearing box housing; it can monitor the liquid level height in the bearing box in real time, and then judge whether lubricating oil needs to be replenished; the oil storage barrel 1 is arranged on the ground through a bracket, and it is located above the bearing box; when the liquid level of the lubricating oil in the bearing box is low, the lubricating oil in the oil storage barrel 1 is replenished into the bearing box; the oil outlet part and the oil replenishing part are both arranged on the oil storage barrel 1; the oil outlet part is used to push the lubricating oil in the oil storage barrel out of the oil storage barrel and enter the bearing box through the oil replenishing part; the connecting piece is arranged at the bottom end of the oil storage barrel 1 and is connected to the oil injection hole of the bearing box.
[0015] The liquid level monitoring part includes a sealing cylinder 2, a floating plate 3, a vertical rod 4, a first magnetic block 5, a second magnetic block 6, a U-shaped guide plate and an infrared rangefinder 7; there is a hole at the top of the bearing box housing, one end of the sealing cylinder 2 with an opening is arranged at the top of the bearing box housing, and the lower opening of the sealing cylinder 2 is communicated with the hole at the top of the bearing box housing; the floating plate 3 is arranged inside the bearing box and floats on the liquid surface of the lubricating oil inside the bearing box; the height of the floating plate 3 changes synchronously with the change of the liquid level of the lubricating oil; the lubricating oil situation in the bearing box can be known by indirectly knowing the height of the floating plate 3; the vertical rod 4 is arranged at the center of the top surface of the floating plate 3, and the vertical rod 4 passes through the hole at the top of the bearing box and is inserted into the sealing cylinder 2; a first magnetic block 5 is arranged at the top end of the vertical rod 4; the U-shaped guide plate is arranged on the top surface of the bearing box and is located on one side of the sealing cylinder 2; the second magnetic block 6 is slidably arranged in the inner groove of the U-shaped guide plate, and the first magnetic block 5 and the second magnetic block 6 are adsorbed to each other across the sealing cylinder 2; the floating plate 3, the vertical rod 4 and the first magnetic block rise and fall synchronously, and the second magnetic block 6 rises and falls synchronously with the first magnetic block, so the liquid level height of the lubricating oil in the bearing box can be known through the position of the second magnetic block; the infrared rangefinder 7 is arranged at the top of the U-shaped guide plate, and its infrared emitting end points to the second magnetic block 6; the infrared rangefinder 7 is used to monitor the position of the second magnetic block 6, and then know the position of the lubricating oil in the bearing box; the signal output end of the infrared rangefinder 7 is connected to the signal input end of the CPU.
[0016] The oil outlet part includes a hydraulic cylinder 8 and a pressing plate; the housing of the hydraulic cylinder 8 is arranged at the top end of the oil storage barrel 1, and the end of its piston rod penetrates through the sealing hole at the center of the top surface of the oil storage barrel 1; the end of the piston rod of the hydraulic cylinder 8 is provided with a pressing plate, and the pressing plate is located inside the oil storage barrel 1. A sealing ring is arranged on the outer edge of the pressing plate, and the outer edge of the sealing ring fits with the inner wall of the oil storage barrel; when the hydraulic cylinder 8 drives the pressing plate to move downward, the pressing plate pushes the lubricating oil below it to move downward synchronously, thereby pushing the lubricating oil out through the hole at the bottom end of the oil storage barrel 1, and then injecting it into the bearing box through the hose 9; the signal input end of the hydraulic cylinder 8 is connected to the signal output end of the CPU.
[0017] The connecting part includes a hose 9, a first solenoid valve and a second solenoid valve; a hole is arranged at the top end of the oil storage barrel 1, and the top end of the hose 9 is connected to the hole at the bottom end of the oil storage barrel 1, and the bottom end of the hose 9 is connected to the oil injection hole of the bearing box; a first solenoid valve is arranged at the top end of the hose 9, and a second solenoid valve is arranged at the bottom end of the hose 9; the first solenoid valve and the second solenoid valve cooperate to control the on-off of the hose 9.
[0018] The oil replenishing part includes an oil replenishing pipe 10 and a valve; the oil replenishing pipe 10 is arranged at the top end of the outer wall of the oil storage barrel 1 and communicates with the inner wall of the oil storage barrel 1; when the storage amount of lubricating oil inside the oil storage barrel is small, the staff holds an oil injector and injects lubricating oil into the oil storage barrel through the oil replenishing pipe 10; the valve is arranged on the oil replenishing pipe 10; strip-shaped holes are arranged on the side wall of the oil storage barrel 1 along the vertical direction, and a perspective glass window is hermetically arranged in the strip-shaped holes; the lubricating oil content inside the oil storage barrel can be directly observed through the glass window; the staff conducts regular inspections, and once it is found that the storage amount in the oil storage barrel is not much, replenishment is carried out.
[0019] In the present utility model, the model of the CPU module is 87C196KC.
[0020] Principle of use: The lubricating oil in the bearing box has two states, one is static and the other is turbulent; the state of the lubricating oil can be known through the undulation of the second magnetic block 6; when the second magnetic block 6 does not move for a long time, it means that the lubricating oil in the bearing box is static at this time, and the position of the second magnetic block 6 corresponds to the position of the lubricating oil liquid level in the bearing box; if the liquid level is normal, there is no movement. If the liquid level is low, the first solenoid valve and the second solenoid valve are opened, and the hydraulic cylinder is started to push the lubricating oil in the oil storage barrel to move downward and inject it into the bearing box. When the liquid level of the lubricating oil reaches the lowest value of the reasonable liquid level, the action of the hydraulic cylinder is stopped, and the first solenoid valve is closed, so that the residual lubricating oil in the hose 9 slowly enters the bearing box. When the liquid level in the bearing box completely stops moving, the second solenoid valve is closed, and thus the replenishment of the lubricating oil in the bearing box is completed.
Claims
1. An oil replenishing device applicable to a rolling mill bearing box, characterized in that: It includes a liquid level monitoring part, an oil storage barrel (1), an oil outlet part, a connecting piece and an oil replenishing part; the liquid level monitoring part is arranged on the top surface of the bearing box housing; the oil storage barrel (1) is arranged on the ground through a bracket and is located above the bearing box; both the oil outlet part and the oil replenishing part are arranged on the oil storage barrel (1); the connecting piece is arranged at the bottom end of the oil storage barrel (1) and is connected to the oil injection hole of the bearing box.
2. The oil replenishing device applicable to a rolling mill bearing housing according to claim 1, wherein: The liquid level monitoring part includes a sealing cylinder (2), a floating plate (3), a vertical rod (4), a first magnetic block (5), a second magnetic block (6), a U-shaped guide plate and an infrared distance measuring instrument (7); there is a hole at the top of the bearing box housing, one end of the opening of the sealing cylinder (2) is arranged at the top of the bearing box housing, and the lower opening of the sealing cylinder (2) is communicated with the hole at the top of the bearing box housing; the floating plate (3) is arranged inside the bearing box and floats on the liquid surface of the lubricating oil inside the bearing box; the vertical rod (4) is arranged at the center of the top surface of the floating plate (3), and the vertical rod (4) passes through the hole at the top of the bearing box and is inserted into the sealing cylinder (2); a first magnetic block (5) is arranged at the top end of the vertical rod (4); the U-shaped guide plate is arranged on the top surface of the bearing box and is located on one side of the sealing cylinder (2); the second magnetic block (6) is slidably arranged in the inner groove of the U-shaped guide plate, and the first magnetic block (5) and the second magnetic block (6) are adsorbed to each other across the sealing cylinder (2); the infrared distance measuring instrument (7) is arranged at the top of the U-shaped guide plate, and its infrared emission end points to the second magnetic block (6); the signal output end of the infrared distance measuring instrument (7) is connected to the signal input end of the CPU.
3. The oil replenishing device applicable to a rolling mill bearing housing according to claim 2, characterized in that: The oil outlet part includes a hydraulic cylinder (8) and a pressing plate; the housing of the hydraulic cylinder (8) is arranged at the top of the oil storage barrel (1), and the end of its piston rod passes through the sealing hole at the center of the top surface of the oil storage barrel (1); a pressing plate is arranged at the end of the piston rod of the hydraulic cylinder (8), and the pressing plate is located inside the oil storage barrel (1). A sealing ring is arranged on the outer edge of the pressing plate, and the outer edge of the sealing ring fits with the inner wall of the oil storage barrel; the signal input end of the hydraulic cylinder (8) is connected to the signal output end of the CPU.
4. The oil replenishing device applicable to a rolling mill bearing housing according to claim 3, characterized in that: The connecting piece includes a hose (9), a first solenoid valve and a second solenoid valve; there is a hole at the top of the oil storage barrel (1), the top end of the hose (9) is connected to the hole at the bottom end of the oil storage barrel (1), and the bottom end of the hose (9) is connected to the oil injection hole of the bearing box; a first solenoid valve is arranged at the top end of the hose (9), and a second solenoid valve is arranged at the bottom end of the hose (9).
5. The oil replenishing device applicable to a rolling mill bearing housing according to claim 4, characterized in that: The oil replenishing part includes a replenishing oil pipe (10) and a valve; the replenishing oil pipe (10) is arranged at the top of the outer wall of the oil storage barrel (1) and communicates with the inner wall of the oil storage barrel (1); the valve is arranged on the replenishing oil pipe (10); strip-shaped holes are arranged on the side wall of the oil storage barrel (1) along the vertical direction, and a perspective glass window is hermetically arranged in the strip-shaped holes.