Cooling bed centralized lubrication system

Abstract

The present application provides a centralized lubrication system for a cooling bed, including an oil supply mechanism, the oil supply mechanism including an oil tank, an oil supply pipeline and two oil distribution pipelines, the oil distribution pipeline is connected to the oil supply pipeline, and the two oil distribution pipelines correspond to the two oil inlet holes of each double-line distributor respectively; the oil supply mechanism is used to provide high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used to inject the lubricating oil in the oil distribution pipeline into the lubrication points in the cooling bed area. The present application can quickly and effectively lubricate each lubrication point in the cooling bed area of ​​the bar production line. First, it ensures the quality of lubrication, eliminates the situation where some lubrication points are missed due to manual oiling, and ensures the stable operation of the equipment; second, the amount of oil injection in each part can be uniformly controlled to prevent over- or under-fueling and maintain optimal oil use; third, it improves the level of lubrication automation and lubrication efficiency, and each refueling time is about 20 minutes.

Description

Technical Field

[0001] The present application relates to the technical field of steel rolling lubrication, and in particular to a centralized lubrication system for a cooling bed. Background Art

[0002] In the bar production line for rebar, the cooling bed area is composed of loading and unloading steel mechanisms, dynamic and static rack bed surfaces, head-level rollers, pre-shear rollers and other mechanisms. It is more than 100 meters long and more than ten meters wide, with many rotating parts and lubrication points.

[0003] Explanation of some lubrication points in the cooling bed area: 1. Two large shafts are arranged horizontally at the bottom of the cooling bed, with a total length of nearly 100 meters. They are connected in the middle by a clamp coupling and driven by several reducers. The large shafts drive the moving rack of the bed. There are 96 oiling holes in the 48 bearing seats where each large shaft is located, which need to be lubricated regularly. 2. There are 216 head-to-head rollers arranged along the length of the bed in the middle of the cooling bed. The head-to-head rollers are equipped with a total of 432 bearing seats, which need to be lubricated. 3. The 192 shearing rollers on the side of the cooling bed are equipped with a total of 384 bearing seats, which need to be lubricated regularly.

[0004] These lubrication points are located in a small operating space, with high temperature and a large number of them. In the past, manual refueling was used, and the machine had to be shut down for refueling. After the machine was shut down and cooled for 2 hours, the machine temperature and the ambient temperature could not be reached for personnel to refuel. This was inefficient and had a great safety risk. Therefore, it is necessary to provide an improved technical solution to address the above-mentioned shortcomings of the existing technology. Summary of the invention

[0005] The purpose of the present application is to provide a centralized lubrication system for a cooling bed to solve or alleviate the problems existing in the above-mentioned prior art.

[0006] In order to achieve the above objectives, this application provides the following technical solutions:

[0007] Cooling bed centralized lubrication system, including

[0008] An oil supply mechanism, the oil supply mechanism comprising an oil tank and an oil supply pipeline;

[0009] Two oil distribution pipelines, the oil distribution pipelines are connected to the oil supply pipeline, and the two oil distribution pipelines respectively correspond to the two oil inlet holes of each double-line distributor;

[0010] The oil supply mechanism is used to provide high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used to inject the lubricating oil in the oil distribution pipeline into the lubrication points in the cooling bed area.

[0011] Furthermore, the oil supply mechanism also includes a grease replenishing pump and a grease replenishing pipeline, and the grease replenishing pump outputs grease to the oil tank through the grease replenishing pipeline.

[0012] Furthermore, the lubrication system further comprises an oil return pipeline, wherein the oil return pipeline is connected to the oil supply pipeline and the grease replenishment pipeline.

[0013] When the plunger of the dual-line distributor is punctured, the oil in the oil supply pipeline flows back to the oil tank through the oil return pipeline.

[0014] Furthermore, the number of the oil tanks and the return oil pipelines are both two, the two return oil pipelines correspond to the two oil tanks respectively, and the return oil pipelines are each provided with a manual on-off valve, which cooperates to select the oil in the oil supply pipeline to return to the target oil tank.

[0015] Furthermore, the oil tank is equipped with a pressure gauge and an alarm, and the alarm can sound an alarm when the value fluctuation of the pressure gauge exceeds a threshold value.

[0016] Furthermore, a two-position four-way valve is provided on the oil supply pipeline, and the oil return pipeline is connected to the oil supply pipeline through one of the two-position four-way valves;

[0017] Two of the remaining three ways of the two-position four-way valve are respectively connected to the two oil distribution pipelines, and the oil tank supplies oil to the two-position four-way valve through the remaining one way, thereby realizing alternating oil supply to the two oil distribution pipelines.

[0018] Furthermore, the two-position four-way valve is an electrically controlled two-position four-way valve, which is equipped with two pressure controllers. The two pressure controllers are respectively arranged on the two oil distribution pipelines. Depending on whether the pressure controller corresponding to the oil distribution pipeline reaches a threshold value, the electrically controlled two-position four-way valve switches between two positions.

[0019] Furthermore, an electromagnetic reversing valve is provided on the oil distribution pipeline, and the oil distribution pipeline includes a roller bearing seat lubrication branch and a transmission bearing seat lubrication branch, and the roller bearing seat lubrication branch and the transmission bearing seat lubrication branch are connected in parallel through the electromagnetic reversing valve.

[0020] Furthermore, the roller bearing seat lubrication branch includes a pre-shear roller bearing seat lubrication pipeline and a flush roller bearing seat lubrication pipeline;

[0021] The transmission bearing seat lubrication branch includes a left main transmission shaft lubrication pipeline and a right main transmission shaft lubrication pipeline.

[0022] Compared with the closest prior art, the technical solution of the embodiment of the present application has the following beneficial effects:

[0023] 1) The present application can quickly and effectively lubricate each lubrication point in the cooling bed area of ​​the bar production line. First, the lubrication quality is ensured, the situation where some lubrication points are missed due to manual oiling is eliminated, and the stable operation of the equipment is ensured; second, the amount of oiling in each part can be uniformly controlled to prevent excessive or insufficient oiling and maintain optimal oil use; third, the lubrication automation level and lubrication efficiency are improved, and each oiling time is about 20 minutes; fourth, there is no need to stop the machine, and lubrication can be implemented during online production; fifth, this area is a high-temperature area, which greatly reduces the labor intensity of employees; sixth, this area is a multiple equipment operation area, which avoids the safety risks of manual oiling.

[0024] 2) Grease replenishment pump replenishes grease online to improve the automation level of the cooling bed centralized lubrication system.

[0025] 3) The oil return pipeline can protect the centralized lubrication system of the cooling bed in the unlikely event that the plunger is punctured.

[0026] 4) Ability to select target oil tank for reflux to avoid too much or too little oil in the tank.

[0027] 5) The pressure gauge and alarm can remind the staff when the pressure is too high due to switching failure or other factors.

[0028] 6) The return oil pipeline, oil distribution pipeline and oil inlet pipeline are connected through a two-position four-way valve. The technology is mature and easy to purchase.

[0029] 7) The electrically controlled two-position four-way valve improves the automation level of the cooling bed centralized lubrication system.

[0030] 8) By setting the electromagnetic reversing valve, the oil filling time of the lubrication points of the roller bearing seat lubrication branch and the transmission bearing seat lubrication branch can be controlled in a targeted manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. Among them:

[0032] Figure 1 It is a structural schematic diagram of a specific embodiment of the centralized lubrication system for a cooling bed of the present invention;

[0033] Description of reference numerals:

[0034] 1-Oil tank, 2-Oil supply pipeline, 3-Grease replenishment pump, 4-Grease replenishment pipeline, 5-Valve, 6-Two-position four-way valve, 7-Manual shut-off valve, 8-Oil distribution pipeline, 9-Pressure controller, 10-Solenoid reversing valve, 11-Head roller bearing seat lubrication pipeline, 12-Pressure roller bearing seat lubrication pipeline, 13-Right main drive shaft lubrication pipeline, 14-Left main drive shaft lubrication pipeline, 15-Dual-line distributor. DETAILED DESCRIPTION

[0035] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. Each example is provided by way of explanation of the present application and does not limit the present application. In fact, it will be clear to those skilled in the art that modifications and variations may be made in the present application without departing from the scope or spirit of the present application. For example, a feature shown or described as a part of an embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desired that the present application includes such modifications and variations within the scope of the appended claims and their equivalents.

[0036] In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and do not require that the present application must be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present application. The terms "connected", "connected", and "set" used in the present application should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be a direct connection or an indirect connection through an intermediate component; it can be a wired electrical connection, a radio connection, or a wireless communication signal connection. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0037] The specific embodiment of the centralized lubrication system for cooling bed of the present application is used to realize the intelligent lubrication of the lubrication points in the cooling bed area. The centralized lubrication system for cooling bed includes an oil supply mechanism and two oil distribution pipelines 8, such as Figure 1 As shown, the oil supply mechanism includes an oil tank 1, an oil supply pipeline 2, a grease replenishing pump 3 and a grease replenishing pipeline 4. The oil tank 1 is equipped with a high-pressure oil pump, which is used to ensure the oil pressure in the oil supply pipeline 2 and the oil distribution pipeline 8. In order to avoid the oil supply pipeline 2 and the oil distribution pipeline 8 from being damaged under high oil pressure environment, the oil supply pipeline 2 and the oil distribution pipeline 8 are both made of seamless steel pipes.

[0038] The grease replenishing pump 3 outputs the grease to the oil tank 1 through the grease replenishing pipeline 4. The oil tank 1 is provided with a liquid level monitor, and the grease replenishing pump 3 replenishes the oil in time according to the amount of oil in the oil tank 1. The oil tank 1 is equipped with a pressure gauge and an alarm. The alarm can sound an alarm when the value fluctuation of the pressure gauge exceeds the threshold. At the same time, the alarm sends a pressure relief command to the electric control box, and the electric control box controls the oil tank 1 to relieve pressure.

[0039] The oil distribution pipeline 8 connects the oil supply pipeline 2 and the double-line distributor 15. The double-line distributor 15 is used to supply oil to the lubrication points in the cooling bed area. The purpose of the two oil distribution pipelines 8 is to correspond to the two oil inlet holes of each double-line distributor 15. The high-pressure oil pump is used to provide high-pressure lubricating oil to the oil distribution pipeline 8. The double-line distributor 15 is used to inject the lubricating oil into the lubrication points in the cooling bed area. First, the function of the double-line distributor 15 is introduced. The four oil outlet holes on both sides of the double-line distributor 15 correspond to each other. There is a plunger between the two corresponding outlets. The plunger can move back and forth. When the plunger moves, the dry oil on one side is squeezed out and injected into the lubrication point.

[0040] A two-position four-way valve 6 is provided on the oil supply pipeline 2, and the return oil pipeline is connected to the oil supply pipeline 2 through one of the two-position four-way valve 6; two of the remaining three passages of the two-position four-way valve 6 are respectively connected to two oil distribution pipelines 8, and the oil tank 1 supplies oil to the two-position four-way valve 6 through the remaining one passage, and the two-position four-way valve 6 forms a connection point between the return oil pipeline, the oil supply pipeline 2 and the oil distribution pipeline 8, so as to realize the alternating oil supply of the two oil distribution pipelines 8. The two-position four-way valve 6 is an electrically controlled two-position four-way valve, and the electrically controlled two-position four-way valve is equipped with two pressure controllers 9, which are respectively arranged on the two oil distribution pipelines 8. The electrically controlled two-position four-way valve switches between two positions according to whether the pressure controller 9 corresponding to the oil distribution pipeline 8 reaches a threshold value.

[0041] The oil distribution pipeline 8 includes a roller bearing seat lubrication branch and a transmission bearing seat lubrication branch, which are collectively referred to as lubrication branches. The roller bearing seat lubrication branch and the transmission bearing seat lubrication branch are connected in parallel through an electromagnetic reversing valve 10, which controls the oil injection time of the double-line distributor 15 on the two lubrication branches.

[0042] The transmission bearing seat lubrication branch includes the left main transmission shaft lubrication pipeline 14 and the right main transmission shaft lubrication pipeline 13, and the roller bearing seat lubrication branch includes the pre-shear roller bearing seat lubrication pipeline 12 and the head roller bearing seat lubrication pipeline 11. The ends of the left main transmission shaft lubrication pipeline 14, the right main transmission shaft lubrication pipeline 13, the pre-shear roller bearing seat lubrication pipeline 12, and the head roller bearing seat lubrication pipeline 11 are all provided with a plurality of double-line distributors 15, and the conduits are then led out through the double-line distributors 15 and connected to each lubrication point.

[0043] The pipeline from the oil supply pipeline 2 and the oil distribution pipeline 8 to the two oil inlet holes on the double-line distributor 15 is a high-pressure pipeline. During the oil pumping process, when the internal oil pressure of a certain oil distribution pipeline 8 reaches 25MPa, the pressure controller 9 will be triggered, and the pressure controller 9 will make the electric two-position four-way valve switch, so that the other oil distribution pipeline 8 will be refueled. When the pressure in the original oil distribution pipeline 8 reaches 25MPa, the electric two-position four-way valve will be triggered to switch, and the other oil distribution pipeline 8 will be refueled again, and the cycle will be repeated. In this process, no matter which oil distribution pipeline 8 reaches 25MPa, this pressure can ensure the plunger activity in all distributors on the line, and all oil holes on the corresponding side of each double-line distributor 15 will pump out oil to ensure the lubrication of the hundreds of lubrication points in the cooling bed area. It can also be understood that: every time the direction is switched, it actually supplies lubricating oil to half of the number of lubrication points.

[0044] The lubrication system also includes an oil return pipeline. There are two oil tanks 1 and two oil return pipelines. The return oil pipelines correspond to the two oil tanks 1 respectively. The return oil pipeline is connected to the oil supply pipeline 2 and the grease replenishing pipeline 4. When the plunger of the dual-line distributor 15 is punctured, the oil in the oil supply pipeline 2 flows back to the oil tank 1 through the return oil pipeline. Manual on-off valves 7 are provided on the return oil pipelines. The two manual on-off valves 7 cooperate to control the oil in the oil supply pipeline 2 to flow back to the target oil tank 1. At the same time, when the plunger is punctured, the value of the pressure gauge fluctuates beyond the threshold value, and the alarm sounds an alarm, indicating that the plunger of the dual-line distributor 15 has been punctured, reminding the operator to perform maintenance.

[0045] Since the number of oil tanks 1 is two, two oil supply pipelines are correspondingly provided for the oil tanks 1, and valves 5 are provided on the two oil supply pipelines, and the target oil tank 1 for the oil supply action is selected through the valves 5.

[0046] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Cooling bed centralized lubrication system, characterized by: include An oil supply mechanism, the oil supply mechanism comprising an oil tank and an oil supply pipeline; Two oil distribution pipelines, the oil distribution pipelines are connected to the oil supply pipeline, and the two oil distribution pipelines respectively correspond to the two oil inlet holes of each double-line distributor; The oil supply mechanism is used to provide high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used to inject the lubricating oil in the oil distribution pipeline into the lubrication points in the cooling bed area; The oil supply mechanism also includes a grease replenishing pump and a grease replenishing pipeline, and the grease replenishing pump outputs grease to the oil tank through the grease replenishing pipeline; The lubrication system further comprises an oil return pipeline, the oil return pipeline is connected to the oil supply pipeline and the grease replenishment pipeline, when the plunger of the double-line distributor is punctured, the oil in the oil supply pipeline flows back to the oil tank through the oil return pipeline; The number of the oil tanks and the oil return pipelines are both two, the two oil return pipelines correspond to the two oil tanks respectively, and the oil return pipelines are each provided with a manual on-off valve, and the two manual on-off valves cooperate to select the oil in the oil supply pipeline to return to the target oil tank; The oil supply pipeline is provided with a two-position four-way valve, and the oil return pipeline is connected to the oil supply pipeline through one of the two-position four-way valves; Two of the remaining three ways of the two-position four-way valve are respectively connected to the two oil distribution pipelines, and the oil tank supplies oil to the two-position four-way valve through the remaining one way, thereby realizing alternating oil supply to the two oil distribution pipelines.

2. The centralized lubrication system for cooling bed according to claim 1, characterized in that: The oil tank is equipped with a pressure gauge and an alarm, and the alarm can sound an alarm when the value fluctuation of the pressure gauge exceeds a threshold value.

3. The centralized lubrication system for cooling bed according to claim 2, characterized in that: The two-position four-way valve is an electrically controlled two-position four-way valve, which is equipped with two pressure controllers. The two pressure controllers are respectively arranged on the two oil distribution pipelines. The electrically controlled two-position four-way valve switches between two positions according to whether the pressure controller corresponding to the oil distribution pipeline reaches a threshold value.

4. The centralized lubrication system for cooling bed according to claim 1, characterized in that: The oil distribution pipeline is provided with an electromagnetic reversing valve, and the oil distribution pipeline includes a roller bearing seat lubrication branch and a transmission bearing seat lubrication branch. The roller bearing seat lubrication branch and the transmission bearing seat lubrication branch are connected in parallel through the electromagnetic reversing valve.

5. The centralized lubrication system for cooling bed according to claim 4, characterized in that: The roller bearing seat lubrication branch includes a pre-shear roller bearing seat lubrication pipeline and a head roller bearing seat lubrication pipeline; the transmission bearing seat lubrication branch includes a left main transmission shaft lubrication pipeline and a right main transmission shaft lubrication pipeline.

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