Lubricating system for prolonging service life of bearing bush of dust removal fan

Abstract

The utility model discloses a lubrication system capable of prolonging the service life of a dust removal fan bearing bush, which comprises a servo motor, a transmission shaft is arranged at the transmission end of the servo motor, a coupling is arranged at the transmission end of the transmission shaft, a bearing bush seat is arranged on the end face of one side of the coupling, a lubrication cavity is arranged on the inner side of the bearing bush seat, and the lubrication cavity is communicated with the transmission end of the servo motor. A thrust plate is installed on the inner side of the coupling, an upper bearing bush is connected to the outer side of the transmission shaft in a sleeving mode, a lower bearing bush is connected to the position, symmetrical to the upper bearing bush, of the outer side of the transmission shaft in a sleeving mode, and a large amount of lubricating oil can enter gaps among the upper bearing bush, the lower bearing bush and the thrust plate. When the dust removal fan is used, pressure generated by the dust removal fan blades can be transmitted to the upper bearing bush and the lower bearing bush from the transmission shaft, friction between the upper bearing bush and the thrust plate and friction between the lower bearing bush and the thrust plate can be reduced due to the lubricating oil film, abrasion and damage of the upper bearing bush and the lower bearing bush are prevented, and use stability and service life of the dust removal fan are further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting, in particular to a lubrication system for prolonging the service life of the bearing bushes of a dust removal fan. Background Technique

[0002] Converter steelmaking is the main steelmaking process of iron and steel enterprises in China. Primary dust removal refers to the process of cooling and purifying the high-temperature flue gas generated during the converter blowing process through a flue. In order to achieve the purposes of energy conservation and equipment protection, the primary dust removal fan equipment is a main equipment in converter steelmaking. The operating state of the fan equipment is an important indicator related to the normal production. The fan generally consists of a power device connected to a transmission device to drive the fan blades. In order to ensure the stability of the fan blade rotation, the transmission device uses bearing bushes for positioning. The bearing bushes are lubricated uniformly. When the fan blades rotate, a certain pressure is applied to the bearing bushes to form friction.

[0003] However, the existing lubrication system lacks a side lubrication structure, resulting in rapid consumption of the bearing bushes after long-term use, inability of the fan blades to operate stably, and reduction of the service life of the dust removal fan. To avoid the above technical problems, it is indeed necessary to provide a lubrication system for prolonging the service life of the bearing bushes of a dust removal fan to overcome the defects in the prior art. Content of the Utility Model

[0004] The utility model provides a lubrication system for prolonging the service life of the bearing bushes of a dust removal fan, which can effectively solve the problem that the existing lubrication system lacks a side lubrication structure, resulting in rapid consumption of the bearing bushes after long-term use, inability of the fan blades to operate stably, and reduction of the service life of the dust removal fan as proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A lubrication system for prolonging the service life of the bearing bushes of a dust removal fan, including a servo motor, and a lubrication component is installed at the transmission end of the servo motor.

[0006] The lubrication component includes a transmission shaft, a coupling, a bearing bush seat, a lubrication chamber, a thrust washer, an upper bearing bush, a lower bearing bush, an oil inlet hole, an oil outlet hole, an oil injection pipe, a branch oil pipe, a branch valve and a main valve.

[0007] The transmission shaft is installed at the transmission end of the servo motor, the coupling is installed at the transmission end of the transmission shaft, the bearing bush seat is installed on one side end face of the coupling, the lubrication chamber is opened inside the bearing bush seat, the thrust washer is installed inside the coupling, the upper bearing bush is sleeved outside the transmission shaft, and the lower bearing bush is sleeved at a position symmetrical to the upper bearing bush outside the transmission shaft.

[0008] An oil inlet hole is provided at the outer top position of the upper bearing shell. An oil outlet hole is provided at one end face of the upper bearing shell. A fuel injection pipe is connected to the outside of the bearing seat. A branch oil pipe is communicated with the outside of the fuel injection pipe. A branch valve is sleeved on the outside of the branch oil pipe. A main valve is sleeved on the outside of the fuel injection pipe.

[0009] Preferably, the oil outlet hole is provided at the corresponding position of one end face of the upper bearing shell corresponding to the oil inlet hole, and the oil outlet hole is communicated with the oil inlet hole.

[0010] Preferably, a main oil groove is provided at the corresponding position of the outside of the bearing seat corresponding to the fuel injection pipe, and the fuel injection pipe is communicated with the lubrication chamber.

[0011] Preferably, the diameter of the thrust washer is equal to the inner diameter of the bearing seat, and the input end of the servo motor is electrically connected to the output end of an external power source.

[0012] Preferably, a quick-release assembly is connected to the driving end of the coupling;

[0013] The quick-release assembly includes a driving disc, a clamping magnetic rod, an iron sleeve, a fan blade seat, a dust removal fan blade, a clamping groove and a driven shaft;

[0014] The driving end of the coupling is connected to a driven shaft. One end of the driven shaft is connected to a driving disc. A clamping magnetic rod is welded to one end face of the driving disc. An iron sleeve is sleeved on the outside of the clamping magnetic rod. A fan blade seat is sleeved on the outside of the iron sleeve. A dust removal fan blade is welded to the outside of the fan blade seat. A clamping groove is provided at the corresponding position of one end face of the fan blade seat corresponding to the iron sleeve.

[0015] Preferably, a plurality of clamping magnetic rods are provided, and the plurality of clamping magnetic rods are welded to one end face of the driving disc at equal intervals.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: The structure of the present utility model is scientific and reasonable, and it is safe and convenient to use:

[0017] 1. A lubrication assembly is provided. A large amount of lubricating oil will enter the gap between the upper bearing shell, the lower bearing shell and the thrust washer. After the servo motor is started, the pressure generated by the dust removal fan blade will be transmitted from the transmission shaft to the upper bearing shell and the lower bearing shell. At this time, due to the existence of the lubricating oil film, the friction between the upper bearing shell and the lower bearing shell and the thrust washer can be reduced, thereby preventing the upper bearing shell and the lower bearing shell from being worn and damaged, and further ensuring the use stability and service life of the dust removal fan.

[0018] 2. A quick-release component is provided to clean the dust adhered to the surface of the dust removal fan blade. After cleaning, the clamping magnetic rod can be reinserted into the iron sleeve inside the clamping groove to complete the assembly. At this time, after the servo motor is started, the transmission shaft can drive the transmission disc and the clamping magnetic rod to rotate. Subsequently, the clamping magnetic rod drives the fan blade seat and the dust removal fan blade to rotate for dust removal. By rinsing, the cleanliness of the dust removal fan blade is ensured, and the ventilation efficiency is further guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the drawings:

[0021] Figure 1 is a schematic structural diagram of the present invention;

[0022] Figure 2 is a schematic structural diagram of the lubrication component of the present invention;

[0023] Figure 3 is a schematic diagram of the opening of the oil inlet hole of the present invention;

[0024] Figure 4 is a schematic structural diagram of the quick-release component of the present invention;

[0025] The reference numerals in the figure: 1, servo motor;

[0026] 2, lubrication component; 201, transmission shaft; 202, coupling; 203, bearing housing; 204, lubrication chamber; 205, thrust washer; 206, upper bearing; 207, lower bearing; 208, oil inlet hole; 209, oil outlet hole; 210, injection pipe; 211, branch pipe; 212, branch valve; 213, main valve;

[0027] 3, quick-release component; 301, transmission disc; 302, clamping magnetic rod; 303, iron sleeve; 304, fan blade seat; 305, dust removal fan blade; 306, clamping groove; 307, driven shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The following is a description of the preferred embodiments of the present invention with reference to the drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention and are not intended to limit the present invention.

[0029] Embodiment: As Figures 1-4 shown, the present invention provides a technical solution, a lubrication system for extending the service life of the bearing of a dust removal fan, including a servo motor 1, and a lubrication component 2 is installed at the transmission end of the servo motor 1;

[0030] The lubrication assembly 2 includes a drive shaft 201, a coupling 202, a bearing housing 203, a lubrication chamber 204, a thrust washer 205, an upper bearing 206, a lower bearing 207, an oil inlet hole 208, an oil outlet hole 209, an oil injection pipe 210, a branch oil pipe 211, a branch valve 212 and a main valve 213;

[0031] The drive end of the servo motor 1 is equipped with a drive shaft 201. The drive end of the drive shaft 201 is equipped with a coupling 202. One side end face of the coupling 202 is equipped with a bearing housing 203. The inner side of the bearing housing 203 is provided with a lubrication chamber 204. The inner side of the coupling 202 is equipped with a thrust washer 205. The diameter of the thrust washer 205 is equal to the inner diameter of the bearing housing 203. The input end of the servo motor 1 is electrically connected to the output end of an external power supply to ensure the stability of the fan rotation. The outer side of the drive shaft 201 is sleeved with an upper bearing 206, and the outer side of the drive shaft 201 is sleeved with a lower bearing 207 at a position symmetrical to the upper bearing 206;

[0032] An oil inlet hole 208 is provided at the outer top position of the upper bearing 206. An oil outlet hole 209 is provided on one side end face of the upper bearing 206. The oil outlet hole 209 is provided at a position corresponding to the oil inlet hole 208 on one side end face of the upper bearing 206. The oil outlet hole 209 is communicated with the oil inlet hole 208 to facilitate the transportation of lubricating oil. The outer side of the bearing housing 203 is connected with an oil injection pipe 210. A main oil groove is provided at a position corresponding to the oil injection pipe 210 on the outer side of the bearing housing 203. The oil injection pipe 210 is communicated with the lubrication chamber 204, which is beneficial to extending the service life of the upper bearing 206. The outer side of the oil injection pipe 210 is communicated with a branch oil pipe 211. The outer side of the branch oil pipe 211 is sleeved with a branch valve 212, and the outer side of the oil injection pipe 210 is sleeved with a main valve 213.

[0033] The drive end of the coupling 202 is connected to a quick-release assembly 3;

[0034] The quick-release assembly 3 includes a drive disk 301, a clamping magnetic rod 302, an iron sleeve 303, a fan seat 304, a dust removal fan blade 305, a clamping groove 306 and a driven shaft 307;

[0035] The drive end of the coupling 202 is connected to a driven shaft 307. One end of the driven shaft 307 is connected to a drive disk 301. One side end face of the drive disk 301 is welded with a clamping magnetic rod 302. The outer side of the clamping magnetic rod 302 is sleeved with an iron sleeve 303. The outer side of the iron sleeve 303 is sleeved with a fan seat 304. A number of clamping magnetic rods 302 are provided. The number of clamping magnetic rods 302 are welded equidistantly on one side end face of the drive disk 301 to facilitate the disassembly of the fan seat 304. The outer side of the fan seat 304 is welded with a dust removal fan blade 305. A clamping groove 306 is provided at a position corresponding to the iron sleeve 303 on one side end face of the fan seat 304.

[0036] Working principle and usage process of the present utility model: First, before using the dust removal fan, control the external oil pump to start, open the branch valve 212 and the main valve 213. At this time, the external lubricating oil will enter the inside of the branch oil pipe 211 and the lubricating chamber 204 through the oil injection pipe 210. Part of the lubricating oil will enter the oil inlet hole 208 from the branch oil pipe 211, and then flow out from the oil outlet hole 209. At this time, a large amount of lubricating oil will enter the gap between the upper bearing bush 206, the lower bearing bush 207 and the thrust piece 205 from the branch oil pipe 211, so as to form an oil film between the thrust piece 205 and the upper bearing bush 206. At this time, after the servo motor 1 starts, the pressure generated by the dust removal fan blade 305 will be transmitted from the transmission shaft 201 to the upper bearing bush 206 and the lower bearing bush 207. At this time, due to the existence of the oil film, the friction between the upper bearing bush 206, the lower bearing bush 207 and the thrust piece 205 can be reduced, so as to prevent the upper bearing bush 206 and the lower bearing bush 207 from being worn and damaged, and further ensure the use stability and service life of the dust removal fan;

[0037] Next, after using for a period of time, the operator can pull the fan blade seat 304, so as to overcome the magnetic adsorption between the iron sleeve 303 and the clamping magnetic rod 302, and then the outside of the clamping magnetic rod 302 can be removed. Then the operator can wash the dust removal fan blade 305 to clean the dust adhered to the surface of the dust removal fan blade 305. After cleaning, the clamping magnetic rod 302 can be reinserted into the iron sleeve 303 inside the clamping groove 306 to complete the assembly. At this time, after the servo motor 1 starts, the transmission disk 301 and the clamping magnetic rod 302 can be driven to rotate by the transmission shaft 201, and then the fan blade seat 304 and the dust removal fan blade 305 can be driven to rotate for dust removal by the clamping magnetic rod 302. By washing, the cleanliness of the dust removal fan blade 305 is ensured, and the ventilation efficiency is further ensured.

[0038] Finally, it should be noted that: The above are only preferred examples of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A lubrication system for extending the service life of the dust removal fan bearing, comprising a servo motor (1), characterized in that: A lubrication component (2) is installed at the transmission end of the servo motor (1); The lubrication component (2) includes a transmission shaft (201), a coupling (202), a bearing housing (203), a lubrication chamber (204), a thrust washer (205), an upper bearing (206), a lower bearing (207), an oil inlet hole (208), an oil outlet hole (209), an injection oil pipe (210), a branch oil pipe (211), a branch valve (212), and a main valve (213); A transmission shaft (201) is installed at the transmission end of the servo motor (1), a coupling (202) is installed at the transmission end of the transmission shaft (201), a bearing housing (203) is installed on one end face of the coupling (202), a lubrication chamber (204) is formed inside the bearing housing (203), a thrust washer (205) is installed inside the coupling (202), an upper bearing (206) is sleeved outside the transmission shaft (201), and a lower bearing (207) is sleeved at a position symmetrical to the upper bearing (206) outside the transmission shaft (201); An oil inlet hole (208) is formed at the top position outside the upper bearing (206), an oil outlet hole (209) is formed on one end face of the upper bearing (206), an injection oil pipe (210) is connected to the outside of the bearing housing (203), a branch oil pipe (211) is communicated with the outside of the injection oil pipe (210), a branch valve (212) is sleeved outside the branch oil pipe (211), and a main valve (213) is sleeved outside the injection oil pipe (210).

2. The lubrication system for extending the service life of the dust removal fan bearing bush according to claim 1, wherein: The oil outlet hole (209) is formed at a position corresponding to the oil inlet hole (208) on one end face of the upper bearing (206), and the oil outlet hole (209) is communicated with the oil inlet hole (208).

3. The lubrication system for extending the service life of the dust removal fan bearing bush according to claim 1, characterized in that: A main oil groove is formed at a position corresponding to the injection oil pipe (210) on the outside of the bearing housing (203), and the injection oil pipe (210) is communicated with the lubrication chamber (204).

4. A lubrication system for extending the service life of the dust removal fan bearing bush according to claim 1, characterized in that: The diameter of the thrust washer (205) is equal to the inner diameter of the bearing housing (203), and the input end of the servo motor (1) is electrically connected to the output end of an external power supply.

5. The lubrication system for extending the service life of the dust removal fan bearing bush according to claim 1, wherein: A quick-release component (3) is connected to the transmission end of the coupling (202); The quick-release component (3) includes a transmission disc (301), a clamping magnetic rod (302), an iron sleeve (303), a fan blade seat (304), a dust removal fan blade (305), a clamping groove (306), and a driven shaft (307); A driven shaft (307) is connected to the transmission end of the coupling (202), a transmission disc (301) is connected to one end of the driven shaft (307), a clamping magnetic rod (302) is welded on one end face of the transmission disc (301), an iron sleeve (303) is sleeved outside the clamping magnetic rod (302), a fan blade seat (304) is sleeved outside the iron sleeve (303), a dust removal fan blade (305) is welded on the outside of the fan blade seat (304), and a clamping groove (306) is formed at a position corresponding to the iron sleeve (303) on one end face of the fan blade seat (304).

6. The lubrication system for extending the service life of the dust removal fan bearing bush according to claim 5, wherein: A plurality of clamping magnetic rods (302) are provided, and the plurality of clamping magnetic rods (302) are welded at equal intervals on one end face of the transmission disk (301).

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