Intelligent lubrication system and rotary distributor for a plain bearing shaft

Abstract

This invention discloses an intelligent lubrication system and rotary distributor for slider-type couplings, belonging to the field of mechanical lubrication. It includes a rotary distributor comprising a split outer ring assembly and a split inner ring assembly. The split inner ring assembly includes an inner ring, a one-way valve, and a gasket. The inner ring is fixedly installed on the outside of either slider-type coupling one or slider-type coupling two and rotates with the shaft. A one-way valve with an oil outlet is also installed on the inner ring. The split outer ring assembly includes an outer ring and rollers. The outer ring has bearing holes and is supported on the inner ring surface by the rollers. The system achieves the following states: when both couplings are stopped, the dry oil pump station does not supply oil; when both couplings are lightly loaded, the oil supply is intermittent and the oil volume is A; when both couplings are under heavy load, the oil supply is continuous and large, with B > A. This solves the technical problems of existing systems that supply grease to lubrication points in fixed quantities each time, resulting in excessive lubrication under no-load conditions and insufficient lubrication under heavy load conditions.

Description

Technical Field

[0001] This invention patent relates to an intelligent lubrication system and rotary distributor for a slider-type shaft connector, belonging to the field of slider-type shaft connector lubrication technology. Background Technology

[0002] Currently, in some large steel mills' hot rolling production lines, the main drive shafts of roughing and finishing mills use a slider structure. The slider of the drive shaft bears a high load, thus requiring efficient lubrication at short intervals. Currently, gear grease pumps are commonly used for lubrication both domestically and internationally. This pump is installed on the main shaft of the universal joint, and the grease pump outlet is connected to the universal joint and slider via oil pipes. Following the principle of a gear pump, the grease pump can achieve high-pressure oil supply, automatically injecting oil to each lubrication point once per revolution of the universal joint. This lubrication system uses a time-closed-loop control mode, with the electrical control system controlling the lubrication pump to inject a fixed amount of grease into the cavity of the gear grease pump at regular intervals. For example, the CN201669269U planetary gear grease pump uses the rotation of a large gear to drive the rotation of a pressure gear to deliver lubricating grease, requiring no additional power. The pressure gear supplies a fixed amount of grease to the lubrication point each time it rotates, ensuring lubrication is unaffected by external factors and preventing leakage. Existing gear pumps, due to their large internal leakage and easily damaged bearings, are generally suitable for low or medium pressure applications.

[0003] Its advantages are: high-pressure lubrication reduces the wear of steel components inside the coupling on the slider, thus effectively extending the slider's life and greatly saving operating costs.

[0004] The disadvantages are: the oil supply is the same under no-load and heavy-load conditions, resulting in insufficient or excessive lubrication. Insufficient lubrication will lead to increased wear of the slider, while excessive lubrication will waste grease and pollute the environment; the gear dry oil pump has a more complex structure, is difficult to manufacture, and has a higher cost. The gears and sliding bearings are prone to wear, and the service life of the gear pump is still relatively short.

[0005] Therefore, there is an urgent need to propose an intelligent lubrication system and rotary distributor for slider-type shaft connection to solve the above problems. Summary of the Invention

[0006] To overcome the above shortcomings, the present invention provides an intelligent lubrication system and rotary distributor for a slider-type shaft, which solves the technical problems of existing systems that supply grease to lubrication points in a fixed quantity each time, resulting in excessive lubrication when unloaded and insufficient lubrication when subjected to heavy loads.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A sliding block type shaft coupling intelligent lubrication system includes:

[0009] Both slider-type connector one and slider-type connector two are equipped with rotary distributors;

[0010] The dry oil pump station has a built-in oil storage tank and lubrication pump. The dry oil pump station is equipped with a metering and control device. The lubrication pump pumps the lubricating oil into the main oil pipe.

[0011] The oil pipe distribution path connects to the lubrication pump at one end and inputs into the slider type connector one and slider type connector two at the other end;

[0012] The monitoring computer is connected to a PLC control cabinet.

[0013] The intelligent fuel distribution tank is equipped with at least two sets, and each set is independently connected to a rotary distributor.

[0014] A rotary distributor is connected to either slider-type connector one or slider-type connector two, and is used to continuously supply oil to the corresponding slider; the rotary distributor is provided with an oil inlet and an oil outlet respectively.

[0015] Used to achieve the following states:

[0016] When slider type coupling one and slider type coupling two stop operating, the dry oil pump station does not supply oil;

[0017] When slider type connector one and slider type connector two are running and under light load, the oil supply is intermittent and the oil quantity is A.

[0018] When slider type connector one and slider type connector two are running and the steel is under heavy load, the oil supply is continuous and large, B, B>A.

[0019] In a further technical solution, the rotary distributor includes a split outer ring assembly and a split inner ring assembly;

[0020] The split inner ring assembly includes an inner ring, a one-way valve, and a gasket; the inner ring is fixedly installed outside the slider-type connecting shaft one or slider-type connecting shaft two and rotates with the shaft; the gasket is fixedly installed inside the inner ring and abuts against the slider-type connecting shaft one or slider-type connecting shaft two; a one-way valve is also installed in the inner ring, and the one-way valve is provided with an oil outlet.

[0021] The split outer ring assembly includes an outer ring and rollers. The outer ring has bearing holes and is supported on the surface of the inner ring by the rollers.

[0022] Both the split outer ring assembly and the split inner ring assembly are two-part, and both sides are connected by reamed hole bolts.

[0023] In a further technical solution, the inner ring is provided with n axial screw holes for installing a one-way valve; the ends of the axial screw holes along the axial direction of the inner ring are connected to radial holes, and the ends of the radial holes away from the axial screw holes are connected to the outer surface of the inner ring.

[0024] The outer surface of the inner ring is hardened and then precision machined to make contact with the roller surface;

[0025] The diameter of the radial center of the inner ring is larger than the diameters on both sides; wear-resistant washers are fitted on both sides of the inner ring with a clearance fit, and the outer ring and the wear-resistant washers are connected by axial screws for axial positioning of the inner ring.

[0026] In a further technical solution, the split outer ring assembly also includes a support, which is installed on the outside of the outer ring; a rectangular groove is provided inside the outer ring, and an oil inlet pad is installed thereon; the side of the oil inlet pad facing the inner ring is provided with an inner arc surface, which fits against the surface of the inner ring.

[0027] The roller has a cross-shaped cross section along the inner ring axis, and bearings are installed on both sides. The bearings are covered with caps along the outer side of the inner ring axis.

[0028] A single ring with a hole is installed on the outside of the end cap. The single ring with a hole is fitted into the outer ring to restrict the axial movement of the end cap.

[0029] A sealing ring is also installed between the outer ring and the inner ring, with a groove provided by both the outer ring and the inner ring for the sealing ring to be installed.

[0030] In a further technical solution, a cover plate is installed on the rectangular groove, and an adjusting bolt and an adjusting nut are installed on the cover plate. The end of the adjusting bolt passes through the adjusting nut and abuts against the oil inlet bearing, so that the inner arc surface of the oil inlet bearing abuts against the inner ring.

[0031] The cover plate has a central hole in the middle and is fitted onto the middle of the oil inlet pad, with an O-ring installed between them;

[0032] An oil inlet is provided in the middle of the oil inlet bearing block, and the bottom end is connected to the radial hole.

[0033] In a further technical solution, the support is mounted on the outer ring, and a wear-resistant washer and a sealing ring are respectively installed between the outer ring and the inner ring; the support restricts the circumferential rotation of the outer ring;

[0034] An end plate is installed on the support and is connected to the support by position bolts.

[0035] In a further technical solution, the oil inlet pad is provided with a lower groove on the side facing the inner ring, and the inner arc surfaces on both sides abut against the surface of the inner ring. The lower groove is used to ensure that each radial hole of the inner ring is intermittently connected to the lower groove when rotating with the slider-type connecting shaft one or slider-type connecting shaft two.

[0036] In a further technical solution, the oil pipeline distribution path includes a main oil pipeline, which is connected to multiple branch oil pipelines; two sets of branch oil pipelines are set up and connected to the oil inlet of the rotary distributor respectively; multiple sets of branch oil pipelines are set at the oil outlet of the two sets of rotary distributors and connected to the slider; the dry oil pump station is connected to the main oil pipeline, and the metering and control device is connected in series on the main oil pipeline.

[0037] In a further technical solution, the monitoring computer controls the PLC control cabinet to electrically control the dry oil pump station, the metering and control device, and the intelligent oil distribution tank.

[0038] The intelligent lubrication system also includes a vision sensor and a pressure sensor. The vision sensor is used to detect the surface rotation and steel-crossing status of the slider-type coupling one and slider-type coupling two. The vision sensor determines whether steel-crossing occurs, and indirectly determines whether it is under heavy load. Idle running is defined as light load, and steel-crossing is defined as heavy load.

[0039] Pressure sensors detect the oil pressure in the main oil pipe;

[0040] The metering and control device also includes a liquid level sensor and a total flow meter. The liquid level sensor detects the liquid level in the oil storage tank, and the total flow meter detects the flow rate in the pipeline between the lubrication pump and the intelligent oil distribution tank.

[0041] Each intelligent oil distribution tank is connected in parallel and connected to the main oil pipeline via distribution pipes.

[0042] A lubrication method for an intelligent lubrication system with a slider-type coupling includes the following steps:

[0043] Roll rotation is detected using a vision sensor: Based on the monitoring data, different paths are executed.

[0044] Step a. Stop rotation:

[0045] When slider-type coupling one and slider-type coupling two stop operating, the monitoring computer issues a command through the PLC control cabinet to stop the lubrication pump and prevent the dry oil pump station from supplying oil into the main oil pipe.

[0046] Step b. Idle and light load:

[0047] When slider-type connecting shaft one and slider-type connecting shaft two are running, and the vision sensor detects their operation without passing steel or having passed steel, it is determined to be light load. The monitoring computer issues a command through the PLC control cabinet to start the lubrication pump. The volume of oil output in a single operation is detected by the liquid level sensor, and the total flow rate is statistically summed by the total flow meter. The intelligent oil distribution tank is equipped with an electromagnetic oiler that outputs oil in a single operation to the rotary distributor. The oil enters through the oil inlet of the rotary distributor through the oil inlet block, and then enters the lower slot. When the inner ring rotates with slider-type connecting shaft one and slider-type connecting shaft two, the radial hole opens into the lower slot, the oil enters the radial hole and flows to the axial threaded hole, and enters the one-way valve. The branch oil pipe connected to the one-way valve injects oil to the slider position. Oil is injected at intervals of t, and the total oil supply is accumulated to A.

[0048] Step C. Overloading with heavy steel:

[0049] When slider-type connecting shaft one and slider-type connecting shaft two are running, the vision sensor detects that connecting shaft one and slider-type connecting shaft two are running and are about to pass through steel. It is determined that the steel is overloaded. The monitoring computer issues a command through the PLC control cabinet to increase the speed of the lubrication pump and continuously inject oil. The electromagnetic oil feeder in the intelligent oil distribution tank continuously and once outputs oil to the rotary distributor. The process of oil flowing through the rotary distributor in step B is repeated, and a large amount of oil is supplied, B>A.

[0050] The present invention has the following beneficial effects:

[0051] This invention solves the problem of existing gear pumps being unable to supply high-pressure oil, which can lead to insufficient lubrication. The lubrication system of this invention combines a lubrication pump with a gear pump, eliminating the need for a gear pump and providing direct high-pressure oil supply to ensure sufficient oil intake. The oil volume is then adjusted through lubrication system control, completely resolving the issues of over-lubrication and under-lubrication of the shaft. Direct high-pressure oil supply eliminates the need for gears, greatly simplifying the design and making the lubrication device easier and cheaper to manufacture. The use of rolling friction instead of sliding friction reduces wear and extends the service life of the rotary distributor.

[0052] Secondly, the friction contact between the roller and the inner ring is a line-to-line contact, with a continuous and compact contact surface. The roller is connected to the outer ring on both sides by bearings, and is limited by single-circle positioning through lateral caps and holes, which also forms a compact and effective constraint on the rotation axis, ensuring effective contact between the roller and the inner ring. Attached Figure Description

[0053] Figure 1 This is a partial structural schematic diagram of the intelligent lubrication system for the slider-type coupling of the present invention;

[0054] Figure 2 This is a schematic diagram of the signal transmission system of the present invention;

[0055] Figure 3 This is a front view of the rotary distributor of the present invention;

[0056] Figure 4 for Figure 3 Schematic diagram of AA section;

[0057] Figure 5 for Figure 4 Enlarged view of part C;

[0058] Figure 6 for Figure 4 Enlarged view of part D;

[0059] Figure 7 for Figure 4 BB cross-section;

[0060] legend:

[0061] 10. Inner ring; 11. Check valve; 12. Gasket; 13. Wear-resistant washer; 14. Axial screw; 15. Reamed hole bolt; 16. Axial threaded hole; 17. Radial hole;

[0062] 20. Outer ring; 21. Roller; 22. Support; 23. Oil inlet bearing; 24. Bearing; 25. End cap; 26. Single ring for bore; 27. Cover plate; 29. ​​Adjusting bolt; 210. Adjusting nut; 211. O-ring; 212. End plate; 213. Positioning bolt; 214. Sealing ring;

[0063] 3. Rotary distributor;

[0064] 4. Dry oil pump station; 41. Main oil pipe; 42. Branch oil pipe; 43. Sub-branch oil pipe;

[0065] 5. Monitoring computer; 51. PLC control cabinet; 6. Intelligent oil distribution tank; 7. Vision sensor; 8. Pressure sensor; 9. Liquid level sensor. Detailed Implementation

[0066] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0067] Example 1

[0068] like Figure 1-7 This is one embodiment of the present invention, specifically an intelligent lubrication system for a slider-type shaft connector, comprising:

[0069] like Figure 1As shown, both slider-type connector 1 and slider-type connector 2 have a rotary distributor 3 installed at their parallel ends;

[0070] Dry oil pump station 4 has a built-in oil storage tank and lubrication pump. The dry oil pump station 4 is equipped with a metering and control device. The lubrication pump pumps the lubricating oil into the main oil pipe 41.

[0071] The dry oil pump station includes a drive motor, a dry oil pump, an oil storage tank, a ball valve, and a filter. First, the drive motor pumps oil from the tank through the dry oil pump. The oil then passes through a check valve to the ball valve, and from the ball valve through the filter to the oil storage tank, which is equipped with a level sensor. Next, a total flow meter tracks the flow rate from the storage tank. The oil is then pumped through different paths by a lubrication pump. The branches of two rotary distributors each have their single-pass flow rate tracked by a flow meter. The intelligent bus controller is controlled by a PLC control cabinet, and the system connects to the intelligent oil distribution tank 6. An electromagnetic oiler is responsible for pipeline opening and closing. Figure 2 As shown, intelligent oil supply can be provided to nearby lubrication points such as rolling mill bearings, shaft balance bearings, and slide rails.

[0072] The oil pipe distribution path connects to the lubrication pump at one end and inputs into the slider type connector 1 and slider type connector 2 at the other end;

[0073] A vision sensor is used to monitor the rotation of slider-type connector 1 and slider-type connector 2 and whether the production line is passing steel.

[0074] Monitoring computer 5 is connected to PLC control cabinet 51;

[0075] The intelligent oil distribution tank 6 is equipped with at least two sets, and is independently connected to two sets of rotary distributors 3;

[0076] The rotary distributor 3 is connected to either slider-type connector 1 or slider-type connector 2 and is used to continuously supply oil to the corresponding slider. The rotary distributor 3 is provided with an oil inlet and an oil outlet. The metering and control device includes a level sensor 9, a total flow meter, and a pressure sensor.

[0077] Used to achieve the following states:

[0078] When slider type connector 1 and slider type connector 2 stop operating, dry oil pump station 4 does not supply oil.

[0079] When slider type connector 1 and slider type connector 2 are running and under light load, the steel transport on the roll surface is not carried out, and the oil supply is intermittent and the oil quantity is A.

[0080] When slider-type connecting shaft 1 and slider-type connecting shaft 2 are running and are subjected to heavy loads, a continuous and large amount of oil B is supplied, where B > A.

[0081] like Figure 3As shown, the rotary distributor 3 includes a split outer ring assembly and a split inner ring assembly;

[0082] The split inner ring assembly includes an inner ring 10, a one-way valve 11, and a gasket 12. The inner ring 10 is fixedly installed outside the slider-type connecting shaft 1 or slider-type connecting shaft 2 and rotates with the shaft. The gasket 12 is fixedly installed inside the inner ring 10 and abuts against the slider-type connecting shaft 1 or slider-type connecting shaft 2. The one-way valve 11 is also installed in the inner ring 10 and has an oil outlet.

[0083] The split outer ring assembly includes an outer ring 20 and a roller 21. The outer ring 20 has a bearing 24 hole and is supported on the surface of the inner ring 10 by the roller 21.

[0084] Both the split outer ring assembly and the split inner ring assembly are two-lobed, and both sides are connected by reamed hole bolts 15.

[0085] like Figure 5 The inner ring 10 is provided with n axial screw holes 16 for installing one-way valves 11; the ends of the axial screw holes 16 along the axial direction of the inner ring 10 are connected to radial holes 17, and the ends of the radial holes 17 away from the axial screw holes 16 are connected to the outer surface of the inner ring 10; the outer surface of the inner ring 10 is hardened and then precision machined for contact with the surface of the roller 21.

[0086] The diameter of the radial center of the inner ring 10 is larger than the diameters of the two sides; wear-resistant washers 13 are fitted with a clearance fit on both sides of the inner ring 10, and the outer ring 20 and the wear-resistant washers 13 are connected by axial screws 14 for axial limiting of the inner ring 10. Axial limiting is achieved by the wear-resistant washers 13, and circumferential rotation of the outer ring is restricted by the support 17.

[0087] The split outer ring assembly also includes a support 22, which is installed on the outside of the outer ring 20. A rectangular groove is provided inside the outer ring 20, and an oil inlet bearing 23 is installed thereon. The oil inlet bearing 23 has an inner arc surface on the side facing the inner ring 10, fitting against the surface of the inner ring 10. The roller 21 has a cross-shaped cross section along the axis of the inner ring 10, and bearings 24 are installed on both sides. A cap 25 is installed on the outer side of the bearings 24 along the axis of the inner ring 10. The roller differs from existing gear meshing transmissions in that the friction contact point is a line-to-line contact, with a continuous and compact contact surface. Existing gear meshing methods easily create gaps, leading to gear wear, increased oil impurities, and faster lubrication failure. Furthermore, the roller is connected to the outer ring on both sides by bearings, and is limited by single-circle positioning via lateral caps and holes, forming a compact structure and effectively constraining the rotation axis, ensuring effective contact between the roller and the inner ring.

[0088] A single ring 26 for holes is installed on the outside of the end cap 25. The single ring 26 for holes is fitted inside the outer ring 20 to restrict the axial movement of the end cap 25.

[0089] A sealing ring 214 is also installed between the outer ring 20 and the inner ring 10, such as Figure 6 Above mark 14, both the outer and inner rings have slots, one set for installing wear-resistant washers 13, and the other set for connecting sealing rings 214.

[0090] like Figure 5 As shown, a cover plate 27 is installed on the rectangular groove, and an adjusting bolt 29 and an adjusting nut 210 are installed on the cover plate 27. The end of the adjusting bolt 29 passes through the adjusting nut 210 and abuts against the oil inlet bearing 23, so that the inner arc surface of the oil inlet bearing 23 abuts against the inner ring 10.

[0091] like Figure 7 As shown, the cover plate 27 has a central hole in its middle and is fitted onto the middle of the oil inlet pad 23, with an O-ring 211 installed between them; the O-ring, sealing ring 214, and wear-resistant gasket are all for oil flow and leak prevention. An oil inlet is provided in the middle of the oil inlet pad 23, and its bottom end is connected to the radial hole 17, as shown. Figure 5 The middle part.

[0092] like Figure 5 As shown, the support 22 is installed on the outer ring 20, and a wear-resistant washer 13 and a sealing ring 214 are respectively installed between the outer ring 20 and the inner ring 10; the support 22 restricts the circumferential rotation of the outer ring 20.

[0093] An end plate 212 is installed on the support 22 and is connected to the support 22 by a position bolt 213.

[0094] The oil inlet bearing 23 has a lower groove on the side facing the inner ring 10, and the inner arc surfaces on both sides abut against the surface of the inner ring 10. The lower groove is used to ensure that each radial hole 17 of the inner ring 10 is intermittently connected to the lower groove when rotating with the slider-type connecting shaft 1 or the slider-type connecting shaft 2.

[0095] like Figure 1 As shown, the oil pipeline distribution path includes a main oil pipeline 41, which is connected to multiple branch oil pipelines 42; two sets of branch oil pipelines 42 are respectively connected to the oil inlet of the rotary distributor 3; multiple sets of branch oil pipelines 43 are provided at the oil outlet of the two sets of rotary distributors 3, which are connected to the slider; the dry oil pump station 4 is connected to the main oil pipeline 41, and the metering and control device is connected in series on the main oil pipeline 41.

[0096] High-pressure dry oil enters through the inlet, and oil is intermittently discharged from each outlet, thus enabling the rotary distributor to automatically inject high-pressure oil into each lubrication point once per revolution of the slider-type shaft 1 or slider-type shaft 2. An intelligent high-pressure oil supply system is employed, using visual sensors to determine: when the drive shaft is not rotating, the oil supply system stops supplying oil; when slider-type shaft 1 or slider-type shaft 2 is about to bear a high load, the oil supply system will continuously supply a large amount of oil; when slider-type shaft 1 or slider-type shaft 2 is unloaded after passing through steel, the oil supply system will immediately and intermittently supply a small amount of oil.

[0097] like Figure 2 The monitoring computer 5 controls the PLC control cabinet 51 to electrically control the dry oil pump station 4, the metering and control device and the intelligent oil distribution tank 6 respectively.

[0098] It also includes a vision sensor 7 and a pressure sensor 8. The vision sensor 7 is used to detect the surface rotation of the slider-type coupling 1 and slider-type coupling 2, and to determine whether steel passes over the two sets of couplings, in order to determine whether it is under heavy load. The pressure sensor 8 detects the oil pressure in the main oil pipe.

[0099] The metering and control device also includes a liquid level sensor 9 and a total flow meter. The liquid level sensor 9 detects the liquid level in the oil storage tank, and the total flow meter detects the flow rate in the pipeline between the lubrication pump and the intelligent oil distribution tank 6.

[0100] Each intelligent oil distribution tank 6 is connected in parallel and connected to the main oil pipe 41 through the oil distribution pipe 42.

[0101] A lubrication method for an intelligent lubrication system with a slider-type coupling includes the following steps:

[0102] The vision sensor 7 detects roll rotation and whether steel is passing through the production line; based on the monitoring data, different paths are executed:

[0103] Step a. Stop rotation:

[0104] When slider type coupling 1 and slider type coupling 2 stop operating, the monitoring computer 5 issues an instruction through the PLC control cabinet 51 to stop the lubrication pump and the dry oil pump station 4 does not supply oil into the main oil pipe 41.

[0105] Step b. Idle and light load:

[0106] When slider-type connecting shaft 1 and slider-type connecting shaft 2 are running, and the vision sensor 7 does not detect steel, it is determined to be lightly loaded; the monitoring computer 5 issues a command through the PLC control cabinet 51 to start the lubrication pump, and the volume of oil output in a single operation is detected by the liquid level sensor 9, and the total flow rate is statistically summed by the total flow meter; the intelligent oil distribution tank 6 is equipped with an electromagnetic oiler that outputs oil in a single operation to the rotary distributor 3, and the oil inlet of the rotary distributor 3 enters through the oil inlet block 23, and then enters the lower slot; when the inner ring 10 rotates with slider-type connecting shaft 1 and slider-type connecting shaft 2, the radial hole 17 opens into the lower slot, the oil enters the radial hole 17 and flows to the axial screw hole 16, and enters the one-way valve 11; the branch oil pipe 43 connected to the one-way valve 11 injects oil to the slider position; at the interval t, oil is injected, and the total oil supply is accumulated to A;

[0107] Step C. Overloading with heavy steel:

[0108] When slider-type connecting shaft 1 and slider-type connecting shaft 2 are operating, and the vision sensor 7 detects steel passing through, it is determined to be a case of overload. The monitoring computer 5 issues a command through the PLC control cabinet 51 to increase the speed of the lubrication pump and continuously inject oil. The electromagnetic oil feeder in the intelligent oil distribution tank 6 continuously and individually outputs oil to the rotary distributor 3. The oil flow process in the rotary distributor 3 in step B is repeated, with a large oil supply volume B, where B > A. The specific values ​​of A and B need to be determined based on the actual rotary distributor, the distribution of oil pipes within each connecting shaft, and the volume of the slider.

[0109] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A smart lubrication system for a slider-type coupling, comprising a slider-type coupling one (1) and a slider-type coupling two (2), both equipped with a rotary distributor (3). Dry oil pump station (4) has a built-in oil storage tank and lubrication pump. The dry oil pump station (4) is equipped with a metering and control device. The lubrication pump pumps the lubricating oil into the main oil pipe (41). The oil pipe distribution path is connected to the lubrication pump at one end and input into the slider type connector one (1) and slider type connector two (2) at the other end; Its features are, Also includes: A monitoring computer (5) is connected to a PLC control cabinet (51); The intelligent oil distribution tank (6) is equipped with at least two sets, and is independently connected to two sets of rotary distributors (3). A rotary distributor (3) is connected to a slider-type connecting shaft one (1) or a slider-type connecting shaft two (2) for continuously supplying oil to the corresponding slider; the rotary distributor (3) is provided with an oil inlet and an oil outlet respectively; Used to achieve the following states: When the sliding shaft one (1) and the sliding shaft two (2) stop operating, the dry oil pump station (4) does not supply oil; When the slider type connecting shaft one (1) and slider type connecting shaft two (2) are running and under light load, the oil supply is intermittent and the oil quantity is A. When the slider-type connecting shaft one (1) and the slider-type connecting shaft two (2) are running and the steel is under heavy load, the oil supply is continuous and large, B, B>A.

2. The intelligent lubrication system for a slider-type shaft according to claim 1, characterized in that, The rotary distributor (3) includes a split outer ring assembly and a split inner ring assembly; The split inner ring assembly includes an inner ring (10), a one-way valve (11), and a gasket (12); the inner ring (10) is fixedly installed outside the slider-type connecting shaft one (1) or the slider-type connecting shaft two (2) and rotates with the shaft; the gasket (12) is fixedly installed inside the inner ring (10) and abuts against the slider-type connecting shaft one (1) or the slider-type connecting shaft two (2); a one-way valve (11) is also installed in the inner ring (10), and the one-way valve (11) is provided with an oil outlet; The split outer ring assembly includes an outer ring (20) and a roller (21). The outer ring (20) has a bearing (24) hole and is supported on the surface of the inner ring (10) by the roller (21). Both the split outer ring assembly and the split inner ring assembly are two-lobed, and both sides are connected by reamed hole bolts (15).

3. The intelligent lubrication system for a slider-type shaft according to claim 1, characterized in that, The inner ring (10) is provided with n axial screw holes (16) for installing one-way valves (11); the ends of the axial screw holes (16) along the axial direction of the inner ring (10) are connected to radial holes (17), and the ends of the radial holes (17) away from the axial screw holes (16) are connected to the outer surface of the inner ring (10). The outer surface of the inner ring (10) is hardened and then precision machined for contact with the surface of the roller (21); The diameter of the radial center of the inner ring (10) is greater than the diameter of the two sides; wear-resistant washers (13) are fitted on both sides of the inner ring (10), and the outer ring (20) and the wear-resistant washers (13) are connected by axial screws (14) for axial positioning of the inner ring (10).

4. The intelligent lubrication system for a slider-type shaft according to claim 2, characterized in that, The split outer ring assembly also includes a support (22), which is installed on the outside of the outer ring (20); a rectangular groove is provided inside the outer ring (20), and an oil inlet pad (23) is installed therein; the oil inlet pad (23) has an inner arc surface on the side facing the inner ring (10), which fits against the surface of the inner ring (10); The roller (21) has a cross-shaped cross section along the axis of the inner ring (10), and bearings (24) are installed on both sides. The bearings (24) have caps (25) installed on the outer side of the axis of the inner ring (10). A single ring (26) for holes is installed on the outside of the cap (25). The single ring (26) for holes is fitted inside the outer ring (20) to restrict the axial movement of the cap (25).

5. The intelligent lubrication system for a slider-type shaft according to claim 4, characterized in that, A cover plate (27) is installed on the rectangular groove. An adjusting bolt (29) and an adjusting nut (210) are installed on the cover plate (27). The end of the adjusting bolt (29) passes through the adjusting nut (210) and abuts against the oil inlet bearing (23), so that the inner arc surface of the oil inlet bearing (23) abuts against the inner ring (10). The cover plate (27) has a central hole in the middle and is fitted onto the middle of the oil inlet pad (23), with an O-ring (211) installed between them. An oil inlet is provided in the middle of the oil inlet pad (23), and the bottom end is connected to the radial hole (17).

6. The intelligent lubrication system for a slider-type shaft according to claim 4, characterized in that, The oil inlet pad (23) is provided with a lower groove on the side facing the inner ring (10), and the inner arc surfaces on both sides abut against the surface of the inner ring (10). The lower groove is used to ensure that each radial hole (17) of the inner ring (10) is intermittently connected to the lower groove when rotating with the slider-type connecting shaft one (1) or the slider-type connecting shaft two (2).

7. The intelligent lubrication system for a slider-type shaft according to claim 4, characterized in that, The monitoring computer (5) controls the PLC control cabinet (51) to electrically control the dry oil pump station (4), the metering and control device and the intelligent oil distribution tank (6). The intelligent lubrication system also includes a vision sensor (7) and a pressure sensor (8). The vision sensor (7) is used to detect the surface rotation and steel-passing state of the slider-type coupling shaft one (1) and slider-type coupling shaft two (2). The pressure sensor (8) detects the oil pressure in the main oil pipe (41). The metering and control device also includes a liquid level sensor (9) and a total flow meter. The liquid level sensor (9) detects the liquid level in the oil storage tank, and the total flow meter detects the flow rate in the pipeline between the lubrication pump and the intelligent oil distribution tank (6). Each intelligent oil distribution tank (6) is connected in parallel and connected to the main oil pipe (41) through the oil distribution pipe (42).

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