阅读说明：本技术 冷床集中润滑系统 (Centralized cooling bed lubricating system ) 是由 卢正臻 于 2021-09-26 设计创作，主要内容包括：本申请提供了一种冷床集中润滑系统,包括供油机构,供油机构包括油罐、供油管路和两根分油管路,分油管路连通供油管路,两根分油管路分别对应各双线分配器的两个进油孔；供油机构用于向分油管路提供高压润滑油,双线分配器用于将分油管路中的润滑油注入冷床区域的润滑点。本申请能够快速对棒材生产线冷床区域各个润滑点进行有效润滑,一是确保了润滑质量,消除了因人工注油而遗漏部分润滑点的情况,保证了设备稳定运转；二是各部位注油量可以统一控制,防止加油过多或过少,保持用油最优；三是提升了润滑自动化水平和润滑效率,每次加油时间20分钟左右。(The application provides a centralized lubricating system of a cooling bed, which comprises an oil supply mechanism, wherein the oil supply mechanism comprises an oil tank, an oil supply pipeline and two oil distribution pipelines, the oil distribution pipelines are communicated with the oil supply pipeline, and the two oil distribution pipelines respectively correspond to two oil inlet holes of each double-line distributor; the oil supply mechanism is used for supplying high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used for injecting the lubricating oil in the oil distribution pipeline into a lubricating point of the cooling bed area. The bar production line cooling bed lubricating device can quickly and effectively lubricate each lubricating point in the bar production line cooling bed area, so that firstly, the lubricating quality is ensured, the condition that part of lubricating points are omitted due to manual oil injection is eliminated, and the stable operation of equipment is ensured; secondly, the oil injection amount of each part can be uniformly controlled, so that excessive or insufficient oil injection is prevented, and the optimal oil utilization is kept; and thirdly, the lubrication automation level and the lubrication efficiency are improved, and the oiling time is about 20 minutes each time.)

1. The cooling bed centralized lubricating system is characterized by comprising

The oil supply mechanism comprises an oil tank and an oil supply pipeline;

the two oil distribution pipelines are communicated with the oil supply pipeline and respectively correspond to two oil inlet holes of each double-line distributor;

the oil supply mechanism is used for supplying high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used for injecting the lubricating oil in the oil distribution pipeline into a lubricating point of the cooling bed area.

2. The cooling bed centralized lubrication system according to claim 1,

the oil supply mechanism further comprises a grease supplementing pump and a grease supplementing pipeline, and the grease supplementing pump outputs lubricating grease to the oil tank through the grease supplementing pipeline.

3. The centralized cooling bed lubrication system according to claim 1, further comprising an oil return line, said oil return line communicating said oil supply line and said grease supply line,

when the plunger of the double-line distributor is broken down, the oil in the oil supply pipeline flows back to the oil tank through the oil return pipeline.

4. The cooling bed centralized lubricating system according to claim 3, wherein the number of the oil tanks and the number of the oil return pipelines are two, two oil return pipelines correspond to the two oil tanks respectively, and each oil return pipeline is provided with a manual cut-off valve, and the two manual cut-off valves are matched to select oil in the oil supply pipeline to flow back to a target oil tank.

5. The cold bed centralized lubrication system according to claim 3, wherein the oil tank is equipped with a pressure gauge and an alarm capable of giving an alarm when the value of the pressure gauge fluctuates beyond a threshold value.

6. The cooling bed centralized lubricating system according to claim 3, wherein a two-position four-way valve is arranged on the oil supply pipeline, and the oil return pipeline is communicated with the oil supply pipeline through one of the two-position four-way valve;

two of the rest three-way valves of the two-position four-way valve are respectively connected with two oil distribution pipelines, and the oil tank is communicated with the two-position four-way valve through the rest three-way valve for supplying oil, so that the two oil distribution pipelines alternately supply oil.

7. The cooling bed centralized lubricating system according to claim 5, wherein the two-position four-way valve is an electrically-controlled two-position four-way valve provided with two pressure controllers, the two pressure controllers are respectively arranged on the two oil distributing pipelines, and the electrically-controlled two-position four-way valve is switched between two positions according to whether the pressure controllers corresponding to the oil distributing pipelines reach a threshold value or not.

8. The cooling bed centralized lubricating system according to claim 1, wherein an electromagnetic directional valve is arranged on the oil distribution pipeline, the oil distribution pipeline comprises a roller bearing seat lubricating branch and a transmission bearing seat lubricating branch, and the roller bearing seat lubricating branch and the transmission bearing seat lubricating branch are connected in parallel through the electromagnetic directional valve.

9. The cooling bed centralized lubricating system according to claim 8, wherein the roller way bearing block lubricating branch comprises a roller way bearing block lubricating pipeline before shearing and a flush roller way bearing block lubricating pipeline; the transmission bearing seat lubricating branch comprises a left main transmission shaft lubricating pipeline and a right main transmission shaft lubricating pipeline.

Technical Field

The application relates to the technical field of steel rolling lubrication, in particular to a centralized lubricating system of a cooling bed.

Background

In a bar production line for producing deformed steel bars, a cooling bed area comprises mechanisms such as an upper steel unloading mechanism, a movable rack bed surface, a fixed rack bed surface, a flush roller way, a front shearing roller way and the like, the length is more than one hundred meters, the width is more than ten meters, the number of rotating parts is more, and the number of lubricating points is more.

The partial lubrication points of the cooling bed area are explained: firstly, two large shafts are transversely arranged at the bottom of a cooling bed surface, the total length of the two large shafts is nearly hundred meters, the middle of the two large shafts is connected by a clamping shell coupling, a plurality of speed reducers drive the two large shafts to drive a movable rack of the cooling bed surface to move, and 48 bearing seats where each large shaft is located are provided with 96 oil filling holes in total and need to be periodically filled with oil for lubrication. And a total of 216 flush head roller ways are arranged in the middle of the cooling bed along the length of the bed surface, and a total of 432 bearing seats are arranged on the flush head roller ways and need to be lubricated by oil. And 192 shear front roller ways on the side surface of the cooling bed are provided with 384 bearing seats, and oil is required to be periodically added for lubrication.

The lubricating points are located at the positions with narrow operation space, high temperature and large quantity. The mode that adopts artifical the oiling in the past, must shut down when refueling to after shutting down the cooling for 2 hours, mechanical temperature and ambient temperature just can supply the personnel to refuel the operation, and is inefficient, and the safety risk is big. Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

Disclosure of Invention

It is an object of the present application to provide a cooling bed centralized lubrication system to solve or alleviate the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the cooling bed centralized lubricating system comprises

The oil supply mechanism comprises an oil tank and an oil supply pipeline;

the two oil distribution pipelines are communicated with the oil supply pipeline and respectively correspond to two oil inlet holes of each double-line distributor;

the oil supply mechanism is used for supplying high-pressure lubricating oil to the oil distribution pipeline, and the double-line distributor is used for injecting the lubricating oil in the oil distribution pipeline into a lubricating point of the cooling bed area.

Further, the oil supply mechanism further comprises a grease supplementing pump and a grease supplementing pipeline, and the grease supplementing pump outputs lubricating grease to the oil tank through the grease supplementing pipeline.

Furthermore, the lubricating system also comprises an oil return pipeline which is communicated with the oil supply pipeline and the grease supplementing pipeline,

when the plunger of the double-line distributor is broken down, the oil in the oil supply pipeline flows back to the oil tank through the oil return pipeline.

Furthermore, the number of the oil tanks and the number of the oil return pipelines are two, the two oil return pipelines correspond to the two oil tanks respectively, manual on-off valves are arranged on the oil return pipelines, the two manual on-off valves are matched, and oil in the oil supply pipeline is selected to flow back to the target oil tank.

Further, the oil tank is provided with a pressure gauge and an alarm, and the alarm can give an alarm when the numerical value fluctuation of the pressure gauge exceeds a threshold value.

Furthermore, a two-position four-way valve is arranged on the oil supply pipeline, and the oil return pipeline is communicated with the oil supply pipeline through one of the two-position four-way valve;

two of the rest three-way valves of the two-position four-way valve are respectively connected with two oil distribution pipelines, and the oil tank is communicated with the two-position four-way valve through the rest three-way valve for supplying oil, so that the two oil distribution pipelines alternately supply oil.

Furthermore, two cross valves are two cross valves of automatically controlled, two cross valves of automatically controlled are equipped with two pressure controller, two pressure controller sets up respectively in two divide oil pipe way, according to divide oil pipe way to correspond whether pressure controller reaches the threshold value, two cross valves of automatically controlled switch between two.

Furthermore, an electromagnetic directional valve is arranged on the oil distribution pipeline, the oil distribution pipeline comprises a roller bearing seat lubricating branch and a transmission bearing seat lubricating branch, and the roller bearing seat lubricating branch and the transmission bearing seat lubricating branch are connected in parallel through the electromagnetic directional valve.

Further, the roller way bearing seat lubricating branch comprises a roller way bearing seat lubricating pipeline before shearing and a flush roller way bearing seat lubricating pipeline;

the transmission bearing seat lubricating branch comprises a left main transmission shaft lubricating pipeline and a right main transmission shaft lubricating pipeline.

Compared with the closest prior art, the technical scheme of the embodiment of the application has the following beneficial effects:

1) the bar production line cooling bed lubricating device can quickly and effectively lubricate each lubricating point in the bar production line cooling bed area, so that firstly, the lubricating quality is ensured, the condition that part of lubricating points are omitted due to manual oil injection is eliminated, and the stable operation of equipment is ensured; secondly, the oil injection amount of each part can be uniformly controlled, so that excessive or insufficient oil injection is prevented, and the optimal oil utilization is kept; thirdly, the automatic level and the efficiency of lubrication are improved, and the oiling time is about 20 minutes each time; fourthly, the lubrication can be implemented during the online production without stopping the machine; fifthly, the area is a high-temperature area, the labor intensity of workers is greatly reduced, and sixthly, the area is a multi-equipment operation area, so that the safety risk of manual oil injection is avoided.

2) The grease supplementing pump supplements grease on line, and the automation degree of the cooling bed centralized lubrication system is improved.

3) The oil return pipeline can protect a centralized lubricating system of the cooling bed when the plunger is broken down, which is a small probability event.

4) The target oil tank for backflow can be selected, and excessive or insufficient oil in the oil tank is avoided.

5) The pressure gauge and the alarm can remind workers when the reversing fails or other factors cause overhigh pressure.

6) The oil return pipeline, the oil distribution pipeline and the oil inlet pipeline are communicated through the two-position four-way valve, the technology is mature, and the purchase is convenient.

7) The two-position four-way valve is electrically controlled to improve the automation degree of the cooling bed centralized lubricating system.

8) Through setting up the solenoid directional valve, can carry out the pertinence control to the oiling time of the lubricated branch road of roll table bearing frame lubrication branch road and transmission bearing frame lubrication branch road's lubricating point.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. Wherein:

FIG. 1 is a schematic structural diagram of an embodiment of the cooling bed centralized lubrication system of the present invention;

description of reference numerals:

the system comprises an oil tank 1, an oil supply pipeline 2, a grease supplementing pump 3, a grease supplementing pipeline 4, a valve 5, a two-position four-way valve 6, a manual cut-off valve 7, an oil distributing pipeline 8, a pressure controller 9, an electromagnetic directional valve 10, a roller bearing seat lubricating pipeline 11, a roller bearing seat lubricating pipeline 12, a roller bearing seat lubricating pipeline before shearing 13, a main drive shaft lubricating pipeline 13, a main drive shaft 14, a main drive shaft left lubricating pipeline 15 and a double-line distributor.

Detailed Description

The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

The specific embodiment of the cooling bed centralized lubricating system of the application is used for realizing intelligent lubrication of a lubricating point in a cooling bed area, and the cooling bed centralized lubricating system comprises an oil supply mechanism and two oil distribution pipelines 8, as shown in fig. 1, the oil supply mechanism comprises an oil tank 1, an oil supply pipeline 2, a grease supplementing pump 3 and a grease supplementing pipeline 4, the oil tank 1 is provided with a high-pressure oil pump, the high-pressure oil pump is used for ensuring oil pressure in the oil supply pipeline 2 and the oil distribution pipelines 8, and in order to prevent the oil supply pipeline 2 and the oil distribution pipelines 8 from being damaged in a high-oil-pressure environment, the oil supply pipeline 2 and the oil distribution pipelines 8 both use seamless steel pipes.

The grease supplementing pump 3 outputs lubricating grease to the oil tank 1 through a grease supplementing pipeline 4, a liquid level monitor is arranged on the oil tank 1, and the grease supplementing pump 3 supplements oil timely according to the quantity of the oil in the oil tank 1. Oil tank 1 sets manometer and alarm, and the alarm can send out the police dispatch newspaper when the numerical value of manometer fluctuates and surpass the threshold value, and simultaneously, the alarm sends the pressure release instruction to the electric cabinet, 1 pressure release of electric cabinet control oil tank.

The oil distribution pipeline 8 is communicated with the oil supply pipeline 2 and the double-line distributor 15, the double-line distributor 15 is used for supplying oil to a lubricating point of a cooling bed area, and the number of the oil distribution pipelines 8 is two so as to correspond to two oil inlet holes of each double-line distributor 15. The high-pressure oil pump is used for providing high-pressure lubricating oil for the oil distribution pipeline 8, the double-line distributor 15 is used for injecting the lubricating oil into a lubricating point of a cooling bed area, the function of the double-line distributor 15 is introduced firstly, four oil outlet holes on two sides of the double-line distributor 15 correspond to each other in a pairwise mode, a plunger piston is arranged between two corresponding outlets and can move back and forth, and dry oil on one side is extruded out when the plunger piston moves and is injected into the lubricating point.

The oil supply pipeline 2 is provided with a two-position four-way valve 6, and the oil return pipeline is communicated with the oil supply pipeline 2 through one of the two-position four-way valve 6; two of the remaining three-way joints of the two-position four-way valve 6 are respectively communicated with two oil distribution pipelines 8, the oil tank 1 supplies oil to the two-position four-way valve 6 through the remaining three-way joint, and the two-position four-way valve 6 forms a connection point of an oil return pipeline, the oil supply pipeline 2 and the oil distribution pipelines 8, so that alternate oil supply of the two oil distribution pipelines 8 is realized. The two-position four-way valve 6 is an electric control two-position four-way valve, the electric control two-position four-way valve is provided with two pressure controllers 9, the two pressure controllers 9 are respectively arranged on the two oil distribution pipelines 8, and the electric control two-position four-way valve is switched between two positions according to whether the pressure controllers 9 corresponding to the oil distribution pipelines 8 reach a threshold value or not.

The oil distribution pipeline 8 comprises a roller bearing seat lubricating branch and a transmission bearing seat lubricating branch, the roller bearing seat lubricating branch and the transmission bearing seat lubricating branch are collectively called as a lubricating branch, the roller bearing seat lubricating branch and the transmission bearing seat lubricating branch are connected in parallel through an electromagnetic directional valve 10, and the electromagnetic directional valve 10 controls the oil injection time of the double-line distributor 15 on the two lubricating branches.

The transmission bearing seat lubricating branch comprises a left main transmission shaft lubricating pipeline 14 and a right main transmission shaft lubricating pipeline 13, and the roller bearing seat lubricating branch comprises a roller bearing seat lubricating pipeline 12 before shearing and a flush roller bearing seat lubricating pipeline 11. The tail ends of the left main transmission shaft lubricating pipeline 14, the right main transmission shaft lubricating pipeline 13, the front shearing roller way bearing seat lubricating pipeline 12 and the flush roller way bearing seat lubricating pipeline 11 are provided with a plurality of double-line distributors 15, and guide pipes are led out through the double-line distributors 15 and are connected to all lubricating points.

The pipelines from the oil supply pipeline 2 and the oil distribution pipeline 8 to the two oil inlet holes on the double-line distributor 15 are high-pressure pipelines, when the internal oil pressure of a certain oil distribution pipeline 8 reaches 25MPa in the oil pumping process of the high-pressure oil pump, the pressure controller 9 is triggered, the electrically-controlled two-position four-way valve is reversed by the pressure controller 9, so that oil is supplied to the other oil distribution pipeline 8, when the pressure in the original oil distribution pipeline 8 reaches 25MPa, the electrically-controlled two-position four-way valve is triggered to be reversed, oil is supplied to the other oil distribution pipeline 8 again, and the circulation is repeated. In this process, when any oil distribution pipeline 8 reaches 25MPa, the pressure can ensure the plunger in all the distributors on the line to move, all the oil holes on the corresponding side of each double-line distributor 15 can be used for pumping oil, so as to ensure the lubrication of hundreds of lubricating points in the cooling bed area, which can also be understood as follows: every time the direction is changed, the lubricating oil is supplied to half of the lubricating points.

The lubricating system further comprises an oil return pipeline, the number of the oil tanks 1 and the number of the oil return pipelines are two, the oil return pipelines correspond to the two oil tanks 1 respectively, the oil return pipeline is communicated with the oil supply pipeline 2 and the grease supplementing pipeline 4, when the plunger of the double-wire distributor 15 is broken down, oil in the oil supply pipeline 2 flows back to the oil tanks 1 through the oil return pipeline, the oil return pipeline is provided with manual on-off valves 7, the two manual on-off valves 7 are matched, the oil in the oil supply pipeline 2 is controlled to flow back to the target oil tank 1, meanwhile, when the plunger is broken down, numerical value fluctuation of a pressure gauge exceeds a threshold value, the alarm gives an alarm, the situation that the plunger of the double-wire distributor 15 is broken down is indicated, and an operator is reminded of overhauling.

Because the number of the oil tanks 1 is two, correspondingly, two oil supplementing pipelines are arranged corresponding to the oil tanks 1, valves 5 are arranged on the two oil supplementing pipelines, and the target oil tank 1 of the oil supplementing action is selected through the valves 5.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.