Self-lubricating motor rotor

Abstract

The invention relates to the technical field of motors, in particular to a self-lubricating motor rotor, and solves the problems that when an existing motor is lubricated by lubricating oil, the lubricating oil cannot be automatically supplemented, and bearing rotation structures at the two ends of the rotor are inconvenient to be always coated by the lubricating oil. A self-lubricating motor rotor comprises a shaft body transmission mechanism and self-balancing flow guide mechanisms, a motor shell mechanism is installed on the outer side of the shaft body transmission mechanism, a lubricating oil input mechanism is installed at one end of the motor shell mechanism, and the self-balancing flow guide mechanisms are installed on the inner sides of the two ends of the motor shell mechanism. The shaft body transmission mechanism and the self-balancing flow guide mechanism are both rotationally connected with the motor shell mechanism, and the motor shell mechanism comprises a motor shell. Lubricating oil is conveyed and guided through the motor shaft, pivotal bearings at the two ends of the rotor are coated with the lubricating oil, automatic supplementing operation is conveniently achieved, and the lubricating effect of the pivotal bearings is kept.

Description

Technical Field

[0001] The invention relates to the technical field of motors, and in particular to a self-lubricating motor rotor. Background Art

[0002] The existing motors cannot automatically replenish the lubricating oil when lubricating the motors with lubricating oil, and it is not convenient to keep the lubricating oil always covering the bearing rotating structures at both ends of the rotor; therefore, it does not meet the existing needs. We have proposed a self-lubricating motor rotor. Summary of the invention

[0003] The purpose of the present invention is to provide a self-lubricating motor rotor to solve the problems mentioned in the above background technology that the existing motor cannot automatically replenish the lubricating oil when lubricated with lubricating oil, and it is not convenient to keep the lubricating oil always covering the bearing rotating structure at both ends of the rotor.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: a self-lubricating motor rotor, comprising a shaft transmission mechanism and a self-balancing flow guide mechanism, a motor housing mechanism is installed on the outside of the shaft transmission mechanism, a lubricating oil input mechanism is installed at one end of the motor housing mechanism, self-balancing flow guide mechanisms are installed on the inner sides of both ends of the motor housing mechanism, the shaft transmission mechanism and the self-balancing flow guide mechanism are both rotatably connected to the motor housing mechanism, the motor housing mechanism comprises a motor housing, a motor protection cover is fixedly installed at one end of the motor housing, and a connecting flange is fixedly installed on the inner side of the other end of the motor housing; The shaft transmission mechanism includes a transmission shaft, the inner side of the connecting flange is rotatably connected to the transmission shaft through a bearing, a guide strip is installed on one side of the transmission shaft, and a rotor body is fixedly installed on the outer side of the middle part of the transmission shaft; The self-balancing flow guide mechanism includes a protective cover, protective covers are fixedly installed at both ends of the rotor body, a diverter seat is fixedly installed on the inner side of the protective cover, a plurality of diverter holes are provided between the protective cover and the diverter seat, a movable blocking rod is slidably connected to the inner side of the diverter hole, a guide column is slidably connected to the inner side of the movable blocking rod, the movable blocking rod is connected to the diverter seat through a supporting spring, a diverter ring is installed in the middle of the diverter seat, and a plurality of strip-shaped conveying holes are provided on the outer surface of the diverter ring.

[0005] Preferably, the shaft transmission mechanism further includes a commutator fixedly connected to the transmission shaft by screws, a shaft sleeve is sleeved and installed on the outer side of one end of the transmission shaft, and the transmission shaft and the shaft sleeve are fixedly connected by a flat key.

[0006] Preferably, the motor housing mechanism also includes a separation ring fixedly connected to the middle part of the motor casing, stator cores are installed on both sides of the separation ring, four heat-conducting filling arc plates are provided between the two stator cores and the motor casing, a shaft retaining seat is fixedly installed at the other end of the motor casing, lubrication baffles are installed on the inner sides of both ends of the motor casing at both ends of the rotor body, the motor casing and the two lubrication baffles are welded and fixed, a first lubrication cavity is provided between the motor protective cover, one end of the motor casing and one of the lubrication baffles, and a second lubrication cavity is provided between the other end of the motor casing and the other lubrication baffle.

[0007] Preferably, the lubricating oil input mechanism includes a fixed mounting frame, the motor housing is fixedly connected to the fixed mounting frame, an input cover is fixedly installed on the inner side of the fixed mounting frame, an oil filling nozzle is provided on one side of the input cover, and the input cover is connected to the transmission shaft through a sealing ring.

[0008] Preferably, the transmission shaft is fixed to the guide strip by screws, an input hole and two output holes are provided on one side of the guide strip, the input cover is connected to the input hole, and the two diverter rings are connected to the output holes.

[0009] Preferably, the rotor body is fixed to the transmission shaft via a flat key, a stator winding is provided on the outside of the rotor body, the commutator is connected to the rotor body via the stator winding, and the rotor body, commutator and sleeve all rotate synchronously via the transmission shaft.

[0010] Preferably, the two diverter rings are fixedly connected to the transmission shaft via a flat key, the diverter seat is fixedly connected to the transmission shaft via a diverter ring, the guide column is connected to the diverter ring via a threaded connection, one end of the movable blocking rod passes through the support spring and is fitted onto the outside of the guide column, and the other end of the movable blocking rod is inserted into the inner side of the guide hole.

[0011] Preferably, the oiling nozzle is connected to the input cover by threads, the inner side of the input cover is filled with lubricating oil, and the lubricating oil is sequentially delivered to the inner sides of the first lubricating cavity and the second lubricating cavity through the guide strip, the strip delivery hole and the guide hole.

[0012] Preferably, a heat-conducting material is provided inside the heat-conducting filling arc plate, and a stator winding is provided inside the stator core.

[0013] Preferably, the upper and lower ends of the separation ring are fixed to the motor housing by screws, and sealing rings are provided on the inner sides of the separation ring and the rotor body.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can synchronously drive the protective cover and the shunt seat to rotate through the shunt ring through the transmission shaft, and the shunt ring is convenient for continuous delivery of lubricating oil through the guide strip. The strip delivery hole is connected with the first lubricating cavity and the second lubricating cavity through the guide hole. Then, during the rotation of the shunt seat, the movable blocking rod is subjected to the centrifugal force to slide on the outside of the guide column to drive the support spring to contract, so as to achieve the blocking of the guide hole, so as to facilitate the stability of the lubricating oil inside the first lubricating cavity and the second lubricating cavity in the running state of the motor, and the slewing bearings at both ends of the rotor body are wrapped by the lubricating oil, so as to facilitate the low noise and high efficiency of the motor operation. At the same time, the two ends of the electrode rotor can be blocked by two lubricating partitions to prevent the entry of lubricating oil and keep it in an insulated and dry state; 2. In the present invention, when the motor stops running, the movable blocking rod is reset on the outer side of the guide column through the supporting action of the supporting spring, so that the movable blocking rod is separated from the guide hole, and then the lubricating oil pressure inside the input cover and the first lubricating chamber and the second lubricating chamber can be automatically balanced through the diverter ring and the guide hole, so as to keep the amount of lubricating oil inside the first lubricating chamber and the second lubricating chamber stable, thereby achieving the self-lubricating effect at both ends of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional structure diagram of the present invention as a whole; Figure 3 It is a schematic diagram of the cross-sectional structure of the rotor body of the present invention; Figure 4 It is a schematic diagram of the installation structure of the rotor body of the present invention; Figure 5 It is a structural schematic diagram of the transmission shaft of the present invention; Figure 6 It is a partial structural schematic diagram of the self-balancing flow guiding mechanism of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the diverter seat of the present invention.

[0016] In the figure: 1. Motor housing mechanism; 101. Motor housing; 102. Motor protective cover; 103. Separation ring; 104. Shaft retaining seat; 105. Connecting flange; 106. Heat-conducting filling arc plate; 107. Stator core; 108. First lubrication cavity; 109. Second lubrication cavity; 110. Lubrication partition; 2. Shaft transmission mechanism; 201. Drive shaft; 202. Bushing; 203. Commutator; 204. Rotor body; 205. Guide strip; 3. Self-balancing guide mechanism; 301. Protective cover; 302. Guide hole; 303. Diverter seat; 304. Diverter ring; 305. Strip delivery hole; 306. Support spring; 307. Movable blocking rod; 308. Guide column; 4. Lubricating oil input mechanism; 401. Fixed mounting frame; 402. Input cover; 403. Oiling nozzle. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] See also Figures 1 to 7 , an embodiment of the present invention: a self-lubricating motor rotor, comprising a shaft transmission mechanism 2 and a self-balancing flow guide mechanism 3, a motor housing mechanism 1 is installed on the outer side of the shaft transmission mechanism 2, a lubricating oil input mechanism 4 is installed at one end of the motor housing mechanism 1, and the self-balancing flow guide mechanism 3 is installed on the inner sides of both ends of the motor housing mechanism 1, and the shaft transmission mechanism 2 and the self-balancing flow guide mechanism 3 are both rotatably connected to the motor housing mechanism 1; The lubricating oil is conveyed and guided by the motor shaft as a whole, so that the slewing bearings at both ends of the rotor are covered with the lubricating oil, and automatic replenishment operation is convenient to achieve, so as to maintain the lubrication effect of the slewing bearings.

[0019] See also Figures 1 to 4The motor housing mechanism 1 includes a motor housing 101, a motor protection cover 102 is fixedly installed at one end of the motor housing 101, a connecting flange 105 is fixedly installed on the inner side of the other end of the motor housing 101, a separation ring 103 is fixedly connected to the middle of the motor housing 101, stator cores 107 are installed on both sides of the separation ring 103, four heat-conducting filling arc plates 106 are arranged between the two stator cores 107 and the motor housing 101, and a shaft holder 104 is fixedly installed at the other end of the motor housing 101. Lubricating baffles 110 are installed on the inner sides of both ends of the motor housing 101 and both ends of the rotor body 204. The motor housing 101 and the two lubricating baffles 110 are welded and fixed. A first lubricating cavity 108 is provided between the motor protective cover 102, one end of the motor housing 101, and one of the lubricating baffles 110. A second lubricating cavity 109 is provided between the other end of the motor housing 101 and the other lubricating baffle 110. The first lubricating cavity 108 and the second lubricating cavity 109 facilitate filling of lubricating oil. The inside of the heat-conducting filling arc plate 106 is provided with heat-conducting material, the inner side of the stator core 107 is provided with a stator winding, the upper and lower ends of the separating ring 103 are fixed to the motor housing 101 by screws, and the stator winding is energized to realize the synchronous rotation operation of the rotor body 204 through the transmission shaft 201 to drive the commutator 203 and the sleeve 202.

[0020] See also Figures 2 to 6 The shaft transmission mechanism 2 includes a transmission shaft 201, the inner side of the connecting flange 105 is rotatably connected to the transmission shaft 201 through a bearing, a guide strip 205 is installed on one side of the transmission shaft 201, a rotor body 204 is fixedly installed on the outer side of the middle part of the transmission shaft 201, a sealing ring is provided on the inner side of the separation ring 103 and the rotor body 204, the transmission shaft 201 is fixedly connected to the commutator 203 through screws, a sleeve 202 is sleeved on the outer side of one end of the transmission shaft 201, the transmission shaft 201 and the sleeve 202 are connected and fixed by a flat key, the rotor body 204 and the transmission shaft 201 are connected and fixed by a flat key, a stator winding is provided on the outer side of the rotor body 204, the commutator 203 is connected to the rotor body 204 through the stator winding, and the rotor body 204, the commutator 203 and the sleeve 202 all rotate synchronously through the transmission shaft 201.

[0021] See also Figures 5 to 7The self-balancing flow guide mechanism 3 includes a protective cover 301, and the protective covers 301 are fixedly installed at both ends of the rotor body 204. A diverter seat 303 is fixedly installed on the inner side of the protective cover 301. A plurality of diverter holes 302 are arranged between the protective cover 301 and the diverter seat 303. A movable blocking rod 307 is slidably connected to the inner side of the diverter hole 302. A guide column 308 is slidably connected to the inner side of the movable blocking rod 307. The movable blocking rod 307 is connected to the diverter seat 303 through a supporting spring 306. A diverter ring 304 is installed in the middle of the diverter seat 303. The outer surface of the diverter ring 304 is provided with a plurality of strip-shaped conveying holes 305. The two diverter rings 304 are fixedly connected to the transmission shaft 201 through a flat key. The diverter seat 303 is connected to the transmission shaft 201 through a flat key. 01 is fixedly connected by the diverter ring 304, the guide column 308 is connected to the diverter ring 304 by threads, one end of the movable blocking rod 307 passes through the supporting spring 306 and is fitted on the outside of the guide column 308, and the other end of the movable blocking rod 307 is inserted into the inner side of the guide hole 302. The movable blocking rod 307 slides on the outside of the guide column 308 under the support of the supporting spring 306, so as to separate the movable blocking rod 307 from the guide hole 302, and then the lubricating oil pressure inside the input cover 402 and the first lubricating chamber 108 and the second lubricating chamber 109 can be automatically balanced through the diverter ring 304 and the guide hole 302, so as to keep the amount of lubricating oil inside the first lubricating chamber 108 and the second lubricating chamber 109 stable.

[0022] See also Figure 2 The lubricating oil input mechanism 4 includes a fixed mounting frame 401, the motor housing 101 is fixedly connected to the fixed mounting frame 401, an input cover 402 is fixedly installed on the inner side of the fixed mounting frame 401, a grease nozzle 403 is provided on one side of the input cover 402, the input cover 402 is connected to the transmission shaft 201 through a sealing ring, the transmission shaft 201 is fixedly connected to the guide strip 205 through screws, an input hole and two output holes are provided on one side of the guide strip 205, and the input cover 402 is connected to the input hole. The two diverter rings 304 are connected with the output hole, so that the guide strip 205 can realize the through connection between the input cover 402 and the two diverter rings 304 through the input hole and the output hole, thereby realizing the delivery of the lubricating oil. The oiling nozzle 403 is connected with the input cover 402 by a thread, and the inner side of the input cover 402 is filled with lubricating oil. The lubricating oil is respectively delivered to the inner sides of the first lubrication cavity 108 and the second lubrication cavity 109 through the guide strip 205, the strip delivery hole 305 and the guide hole 302.

[0023] When using the self-lubricating motor rotor, the commutator 203 and the rotor body 204 are fixedly sleeved on the outside of the transmission shaft 201, and the rotor winding is provided on the outside of the rotor body 204, so that the rotor body 204 is connected to the commutator 203 through the rotor winding, and the transmission shaft 201 passes through the motor housing 101 and the motor protective cover 102, so that the rotor body 204 is placed on the inner side of the two stator cores 107, and the power is turned on. By energizing the stator winding provided on the inner side of the stator core 107, the rotor body 204 drives the commutator 203 and the shaft sleeve 202 to rotate synchronously through the transmission shaft 201, and the shunt seat 303 is fixedly connected to the transmission shaft 201 through the shunt ring 304, so that the transmission shaft 201 can synchronously drive the protective cover 301 and the shunt seat 303 to rotate through the shunt ring 304; An oil injection nozzle 403 is provided on one side of the input cover 402, so that lubricating oil can be injected into the inner side of the input cover 402 through the oil injection nozzle 403. The guide strip 205 is fixedly connected to the transmission shaft 201. Three delivery holes are provided on one side of the guide strip 205. The input cover 402 and the two diverter seats 303 are connected through the delivery holes, and the guide strip 205 facilitates continuous delivery of lubricating oil to the diverter ring 304. The strip delivery hole 305 is connected to the first lubrication cavity 108 and the second lubrication cavity 109 through the guide hole 302, and the diverter seat 303 is connected to the lubrication cavity 108 and the second lubrication cavity 109. 03 During the rotation process, the movable blocking rod 307 slides on the outside of the guide column 308 due to the centrifugal force, and then drives the support spring 306 to contract, so as to seal the guide hole 302, so as to maintain the stability of the lubricating oil inside the first lubricating cavity 108 and the second lubricating cavity 109 in the running state of the motor, and the rotary bearings at both ends of the rotor body 204 are wrapped by the lubricating oil, so as to maintain the low noise and high efficiency of the motor operation. At the same time, the two lubricating baffles 110 can seal the two ends of the electrode rotor to prevent the entry of lubricating oil and keep it in an insulated and dry state; When the motor stops running, the movable blocking rod 307 is reset on the outside of the guide column 308 under the support of the support spring 306, so that the movable blocking rod 307 is separated from the guide hole 302, and then the lubricating oil pressure inside the input cover 402 and the first lubrication chamber 108 and the second lubrication chamber 109 can be automatically balanced through the diverter ring 304 and the guide hole 302, so as to keep the amount of lubricating oil inside the first lubrication chamber 108 and the second lubrication chamber 109 stable, thereby achieving a self-lubricating effect on both ends of the motor.

[0024] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A self-lubricating motor rotor, comprising a shaft transmission mechanism (2) and a self-balancing flow guide mechanism (3), wherein a motor housing mechanism (1) is mounted on the outer side of the shaft transmission mechanism (2), and a lubricating oil input mechanism (4) is mounted on one end of the motor housing mechanism (1), characterized in that: Self-balancing flow guide mechanisms (3) are installed on the inner sides of both ends of the motor housing mechanism (1); the shaft transmission mechanism (2) and the self-balancing flow guide mechanism (3) are both rotatably connected to the motor housing mechanism (1); the motor housing mechanism (1) comprises a motor housing (101); a motor protection cover (102) is fixedly installed on one end of the motor housing (101); and a connecting flange (105) is fixedly installed on the inner side of the other end of the motor housing (101); The shaft transmission mechanism (2) comprises a transmission shaft (201), the inner side of the connection flange (105) is rotatably connected to the transmission shaft (201) via a bearing, a guide strip (205) is installed on one side of the transmission shaft (201), and a rotor body (204) is fixedly installed on the outer side of the middle part of the transmission shaft (201); The self-balancing flow guiding mechanism (3) comprises a protective cover (301), the protective covers (301) are fixedly mounted at both ends of the rotor body (204), a flow diverter seat (303) is fixedly mounted on the inner side of the protective cover (301), a plurality of flow guiding holes (302) are arranged between the protective cover (301) and the flow diverter seat (303), a movable blocking rod (307) is slidably connected to the inner side of the flow diverter hole (302), a guide column (308) is slidably connected to the inner side of the movable blocking rod (307), the movable blocking rod (307) is connected to the flow diverter seat (303) via a supporting spring (306), a flow diverter ring (304) is mounted in the middle of the flow diverter seat (303), and a plurality of strip-shaped conveying holes (305) are arranged on the outer surface of the flow diverter ring (304).

2. A self-lubricating motor rotor according to claim 1, characterized in that: The shaft transmission mechanism (2) further comprises a commutator (203) fixedly connected to the transmission shaft (201) via screws, a shaft sleeve (202) is sleeved and mounted on the outer side of one end of the transmission shaft (201), and the transmission shaft (201) and the shaft sleeve (202) are connected and fixed via a flat key.

3. A self-lubricating motor rotor according to claim 2, characterized in that: The motor housing mechanism (1) further comprises a separation ring (103) fixedly connected to the middle of the motor housing (101); stator cores (107) are mounted on both sides of the separation ring (103); four heat-conducting arc filling plates (106) are arranged between the two stator cores (107) and the motor housing (101); a shaft retaining seat (104) is fixedly mounted on the other end of the motor housing (101); lubrication baffles (110) are mounted on the inner sides of both ends of the motor housing (101) and at both ends of the rotor body (204); the motor housing (101) and the two lubrication baffles (110) are welded and fixed; a first lubrication cavity (108) is arranged between the motor protection cover (102), one end of the motor housing (101) and one of the lubrication baffles (110); and a second lubrication cavity (109) is arranged between the other end of the motor housing (101) and the other lubrication baffle (110).

4. A self-lubricating motor rotor according to claim 3, characterized in that: The lubricating oil input mechanism (4) comprises a fixed mounting frame (401), the motor housing (101) is fixedly connected to the fixed mounting frame (401), an input cover (402) is fixedly mounted on the inner side of the fixed mounting frame (401), an oil injection nozzle (403) is provided on one side of the input cover (402), and the input cover (402) is connected to the transmission shaft (201) via a sealing ring.

5. A self-lubricating motor rotor according to claim 4, characterized in that: The transmission shaft (201) is fixed to the guide strip (205) by means of screws, an input hole and two output holes are provided on one side of the guide strip (205), the input cover (402) is in communication with the input hole, and the two diverter rings (304) are in communication with the output holes.

6. A self-lubricating motor rotor according to claim 2, characterized in that: The rotor body (204) is connected and fixed to the transmission shaft (201) via a flat key; a stator winding is provided on the outside of the rotor body (204); the commutator (203) is connected to the rotor body (204) via the stator winding; and the rotor body (204), the commutator (203) and the shaft sleeve (202) all rotate synchronously via the transmission shaft (201).

7. A self-lubricating motor rotor according to claim 2, characterized in that: The two diverter rings (304) are fixedly connected to the transmission shaft (201) via a flat key, the diverter seat (303) is fixedly connected to the transmission shaft (201) via the diverter ring (304), the guide column (308) is connected to the diverter ring (304) via a threaded connection, one end of the movable blocking rod (307) passes through the support spring (306) and is sleeved on the outside of the guide column (308), and the other end of the movable blocking rod (307) is plugged into the inside of the guide hole (302).

8. The self-lubricating motor rotor according to claim 4, characterized in that: The oil injection nozzle (403) is connected to the input cover (402) via threads, and the inside of the input cover (402) is filled with lubricating oil, which is sequentially transported to the inside of the first lubricating cavity (108) and the second lubricating cavity (109) through the guide strip (205), the strip-shaped transport hole (305) and the guide hole (302).

9. The self-lubricating motor rotor according to claim 3, characterized in that: A heat-conducting material is provided inside the heat-conducting filling arc plate (106), and a stator winding is provided inside the stator iron core (107).

10. The self-lubricating motor rotor according to claim 3, characterized in that: The upper and lower ends of the separation ring (103) are connected and fixed to the motor housing (101) by means of screws, and a sealing ring is provided between the inner side of the separation ring (103) and the rotor body (204).

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