Compact electric guide wheel driving mechanism integrated with planetary reducer

Abstract

The invention belongs to the technical field of speed reducers, and particularly relates to a compact electric guide wheel driving mechanism integrated with a planetary reducer, which comprises a guide wheel driving assembly, the top of the guide wheel driving assembly is in transmission connection with a motor input shaft, and the bottom of the guide wheel driving assembly is in transmission connection with a speed reducer output shaft. The top of the guide wheel driving assembly is fixedly connected with a sealing cover, the motor input shaft is rotationally connected to the center of the central axis of the sealing cover, and the two ends of the guide wheel driving assembly are combined to form a shell structure of the integrated planetary reducer through matched use of the sealing cover and the guide wheel base assembly. And a guide wheel structure in the guide wheel seat assembly is utilized, so that the torque of the output shaft of the speed reducer is changed in the process that the input shaft of the motor is driven by the output end of the motor, the requirements of different scenes of the planetary speed reducer are met, and meanwhile, disassembly-free self-maintenance can be achieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of speed reducer, and particularly relates to a compact electric guide wheel driving mechanism integrated with a planetary speed reducer. BACKGROUND

[0002] The electric guide wheel adopts a brushless motor and a planetary speed reducer box mechanism, generates a torsion force during operation, and is self-adaptive to the size of the cable, so that the laying of the cable is prevented from being damaged by the cable conveyor frame.

[0003] Through retrieval, it is found that a servo planetary speed reducer guide wheel structure suitable for a dynamic pressure centerless grinding machine is disclosed in Chinese Patent Publication No. CN206296744U and authorized on July 4, 2017, which comprises a servo motor and a planetary speed reducer, the planetary speed reducer is connected with a main shaft, the main shaft has a guide wheel, the front end, the middle end and the rear end of the main shaft are respectively provided with a front alloy bearing, a middle alloy bearing and a rear alloy bearing. The main shaft is externally provided with a machine body, the bottom of the machine body is provided with an oil nozzle. The front end of the main shaft is provided with a leakage-proof cover. The structure of the application is compact, small in size, one-stage transmission is saved, the length of the guide wheel main shaft is reduced, the rolling bearing support part is saved, the planetary speed reducer is used instead of a general speed reducer to increase the transmission efficiency of the gear box, and the inner ring gear is designed in an integrated manner to increase the transmission precision and service life of the entire guide wheel.

[0004] However, the device still has the following defects: although the transmission precision and service life of the entire guide wheel can be increased, the guide wheel cannot be regularly maintained in the planetary speed reducer, the traditional disassembly and maintenance cost is high, and the failure rate of the gear operation is easily increased after disassembly and maintenance. SUMMARY

[0005] In view of the above problems, the application provides a compact electric guide wheel driving mechanism integrated with a planetary speed reducer, which comprises a guide wheel driving assembly, the top of the guide wheel driving assembly is transmissionally connected with a motor input shaft, the bottom of the guide wheel driving assembly is transmissionally connected with a speed reducer output shaft, the top of the guide wheel driving assembly is fixedly connected with a sealing cover, the motor input shaft is rotationally connected at the center of the central axis of the sealing cover, the bottom of the guide wheel driving assembly is fixedly connected with a guide wheel seat assembly, and the speed reducer output shaft is rotationally connected at the center of the central axis of the guide wheel seat assembly.

[0006] Further, the guide wheel driving assembly comprises an inner gear ring, the inner wall of the inner gear ring is provided with a guide wheel frame, and the top of the guide wheel frame is provided with a linkage support.

[0007] Further, the top of the linkage support is fixedly connected with an oil box, the central axis center of the oil box is embeddedly connected with the motor input shaft, and the bottom end of the motor input shaft is fixedly connected to the top of the linkage support.

[0008] Further, a plurality of hollow linkage columns are embedded and installed at the edge of the outer wall of the linkage support, a plurality of first driving cavities are formed at the edge of the guide wheel frame, and the other end of the plurality of hollow linkage columns extends into the first driving cavity.

[0009] Further, a plurality of driving gears are arranged in the plurality of first driving cavities, the plurality of driving gears are rotationally connected with the hollow linkage columns, the plurality of driving gears are meshingly connected with the inner gear ring, a second driving cavity is formed at the center of the central axis of the guide wheel frame, and the outer wall of the oil box is provided with a plurality of maintenance mechanisms.

[0010] Further, the maintenance mechanism comprises an electromagnetic valve, a straight elbow is arranged at the top of the electromagnetic valve, the straight elbow is in communication with the oil box, the electromagnetic valve is fixedly connected to the outer wall of the linkage support, a shunt pipe is in communication with the bottom of the electromagnetic valve, a three-way pipe is in communication with the bottom of the shunt pipe, one end of the three-way pipe extends to the inner wall of the inner gear ring, and the other two ends of the three-way pipe extend to the outer wall of the driving gear.

[0011] Further, the guide wheel seat assembly comprises a base shell, a bearing is embedded and installed at the center of the central axis of the base shell, the reducer output shaft is rotationally connected in the bearing, a driven gear is fixedly connected to the top of the reducer output shaft, the driven gear extends into the second driving cavity and is meshingly connected with the plurality of driving gears, and a plain bearing is further fixedly connected to the inner wall of the base shell.

[0012] Further, a plurality of positioning pin columns are rotationally connected to the top of the plain bearing, the plurality of positioning pin columns are attached to the inner wall of the hollow linkage column, a noise sensor is embedded and installed on the outer wall of the plurality of positioning pin columns, and the plurality of noise sensors are arranged at the same level as the driving gear.

[0013] The beneficial effects of the present application are:

[0014] 1. By cooperating the sealing cover with the guide wheel seat assembly, the two ends of the guide wheel driving assembly are combined to form the shell structure of the integrated planetary reducer, and by using the guide wheel structure in the guide wheel seat assembly, the torque of the reducer output shaft is changed during the process that the motor input shaft is driven by the output end of the motor, which meets the needs of different scenes of the planetary reducer and can be self-maintained without disassembly.

[0015] 2, through several groups of positioning pin column extension to the inner wall of hollow linkage column, for precise combination of reducer, and can use noise sensor in each group of positioning pin column, detect the meshing noise of each group of driving gear at any time, analyze the transmission state between the internal gear ring, driving gear and driven gear, if sharp or irregular sound appears, use noise sensor to detect at any time, and transmit to the controller for analysis and processing, can control the opening or closing of electromagnetic valve.

[0016] 3, through the opening of several groups of electromagnetic valve, then use the centrifugal force generated by the rotating oil box to guide the gear lubricating oil in the oil box to the tee pipe, so that the gear lubricating oil flows to the connection between the internal gear ring and several groups of driving gear, and the connection between several groups of driving gear and driven gear, for the role of transmission maintenance between gears after noise occurs.

[0017] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be achieved and obtained by the structure indicated in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The structure diagram of the integrated planetary reducer of the embodiment of the present application is shown;

[0020] Figure 2 The structure diagram of the guide wheel driving assembly of the embodiment of the present application is shown Figure 1 ;

[0021] Figure 3 The structure diagram of the guide wheel driving assembly of the embodiment of the present application is shown Figure 2 ;

[0022] Figure 4 The structure diagram of the maintenance mechanism of the embodiment of the present application is shown;

[0023] Figure 5 The structure diagram of the guide wheel seat assembly of the embodiment of the present application is shown.

[0024] In the figure: 1, guide wheel driving assembly; 11, inner ring gear; 12, guide wheel frame; 13, linkage support; 14, oil box; 15, hollow linkage column; 16, first driving cavity; 17, driving gear; 18, second driving cavity; 19, maintenance mechanism; 191, electromagnetic valve; 192, elbow; 193, shunt pipe; 194, tee; 2, motor input shaft; 3, reducer output shaft; 4, sealing cover; 5, guide wheel seat assembly; 51, base shell; 52, bearing; 53, driven gear; 54, plane bearing; 55, positioning pin column; 56, noise sensor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The embodiments of the present application provide a compact electric guide wheel driving mechanism integrated with a planetary reducer, which comprises a guide wheel driving assembly 1. Figure 1 As shown in the figure.

[0027] The top of the guide wheel driving assembly 1 is drivingly connected with a motor input shaft 2, and the bottom of the guide wheel driving assembly 1 is drivingly connected with a reducer output shaft 3. The top of the guide wheel driving assembly 1 is fixedly connected with a sealing cover 4, and the motor input shaft 2 is rotatably connected at the center of the central axis of the sealing cover 4. The bottom of the guide wheel driving assembly 1 is fixedly connected with a guide wheel seat assembly 5, and the reducer output shaft 3 is rotatably connected at the center of the central axis of the guide wheel seat assembly 5.

[0028] Specifically, the cooperation of the sealing cover 4 and the guide wheel seat assembly 5 combines the two ends of the guide wheel driving assembly 1 to form a housing structure of the integrated planetary reducer, and the guide wheel structure in the guide wheel seat assembly 5 changes the torque of the reducer output shaft 3 during the process that the motor input shaft 2 is driven by the output end of the motor, thereby meeting the requirements of different scenes of the planetary reducer.

[0029] The guide wheel driving assembly 1 comprises an inner ring gear 11. Figure 2 As shown in the figure. Figure 3

[0030] ​The inner wall of the inner gear ring 11 is provided with a guide wheel frame 12, and the top of the guide wheel frame 12 is provided with a linkage support 13, and the top of the linkage support 13 is fixedly connected with an oil box 14, and the central axis of the oil box 14 is embeddedly connected with the motor input shaft 2, and the bottom end of the motor input shaft 2 is fixedly connected on the top of the linkage support 13, and a plurality of groups of hollow linkage columns 15 are embeddedly installed on the outer wall edge of the linkage support 13, a plurality of groups of first driving cavities 16 are formed on the edge of the guide wheel frame 12, and the other end of the plurality of groups of hollow linkage columns 15 extends into the first driving cavity 16, a plurality of groups of driving gears 17 are arranged in the plurality of groups of first driving cavities 16, and the plurality of groups of driving gears 17 are rotatably connected with the hollow linkage columns 15, the plurality of groups of driving gears 17 are meshingly connected with the inner gear ring 11, and a second driving cavity 18 is formed on the central axis of the guide wheel frame 12, and the outer wall of the oil box 14 is provided with a plurality of groups of maintenance mechanisms 19.

[0031] The maintenance mechanism 19 comprises an electromagnetic valve 191; as shown in the example, Figure 4 .

[0032] The top of the electromagnetic valve 191 is provided with a straight elbow 192, and the straight elbow 192 is in communication with the oil box 14, and the electromagnetic valve 191 is fixedly connected on the outer wall of the linkage support 13, and the bottom of the electromagnetic valve 191 is communicated with a shunt pipe 193, and the bottom of the shunt pipe 193 is communicated with a three-way pipe 194, one end of the three-way pipe 194 extends to the inner wall of the inner gear ring 11, and the other two ends of the three-way pipe 194 extend to the outer wall of the driving gear 17.

[0033] The guide wheel seat assembly 5 comprises a base shell 51; as shown in the example, Figure 5 .

[0034] The central axis of the base shell 51 is embeddedly installed with a bearing 52, and the reducer output shaft 3 is rotatably connected in the bearing 52, and the top of the reducer output shaft 3 is fixedly connected with a driven gear 53, and the driven gear 53 extends into the second driving cavity 18 and is meshingly connected with a plurality of groups of driving gears 17, and the inner wall of the base shell 51 is further fixedly connected with a plane bearing 54, and the top of the plane bearing 54 is rotatably connected with a plurality of groups of positioning pin columns 55, and the plurality of groups of positioning pin columns 55 are connected with the inner wall of the hollow linkage column 15, and the outer wall of the plurality of groups of positioning pin columns 55 is embeddedly installed with a noise sensor 56, and the plurality of groups of noise sensors 56 are arranged in the same horizontal position with the driving gear 17.

[0035] Further, the outer wall of the base shell 51 is embeddedly installed with a controller, and the plurality of groups of electromagnetic valves 191 and the plurality of groups of noise sensors 56 are electrically connected with the controller.

[0036] Specifically, the motor input shaft 2 rotates during the process of driving the linkage bracket 13, so that a plurality of sets of driving gears 17 in the guide wheel frame 12 rotate synchronously, and then drive the driven gear 53 to rotate the reducer output shaft 3 in the bearing 52, so as to reduce the speed and increase the torque of the reducer output shaft 3;

[0037] After a plurality of sets of positioning pin columns 55 extend to the inner wall of the hollow linkage column 15, the reducer is precisely combined, and then the noise sensor 56 in each set of positioning pin columns 55 can detect the meshing noise of each set of driving gears 17 at any time, analyze the transmission state between the inner gear ring 11, the driving gear 17 and the driven gear 53, and if sharp or irregular sound occurs, the noise sensor 56 detects at any time and transmits to the controller for analysis and processing, which can control the opening or closing of the electromagnetic valve 191;

[0038] After a plurality of sets of electromagnetic valves 191 are opened, the centrifugal force generated by the rotating oil box 14 is used to guide the gear lubricating oil in the oil box 14 to the three-way pipe 194, so that the gear lubricating oil flows to the connection between the inner gear ring 11 and a plurality of sets of driving gears 17, and the connection between a plurality of sets of driving gears 17 and the driven gear 53, for the transmission maintenance between gears after noise occurs.

[0039] The compact electric guide wheel driving mechanism integrated with a planetary reducer according to the embodiment of the application has the following working principle:

[0040] Through the rotation of the motor input shaft 2 during the process of driving the linkage bracket 13, a plurality of sets of driving gears 17 in the guide wheel frame 12 rotate synchronously, and then drive the driven gear 53 to rotate the reducer output shaft 3 in the bearing 52, so as to reduce the speed and increase the torque of the reducer output shaft 3;

[0041] After a plurality of sets of positioning pin columns 55 extend to the inner wall of the hollow linkage column 15, the reducer is precisely combined, and then the noise sensor 56 in each set of positioning pin columns 55 can detect the meshing noise of each set of driving gears 17 at any time, analyze the transmission state between the inner gear ring 11, the driving gear 17 and the driven gear 53, and if sharp or irregular sound occurs, the noise sensor 56 detects at any time and transmits to the controller for analysis and processing, which can control the opening or closing of the electromagnetic valve 191;

[0042] After a plurality of sets of electromagnetic valves 191 are opened, the centrifugal force generated by the rotating oil box 14 is used to guide the gear lubricating oil in the oil box 14 to the three-way pipe 194, so that the gear lubricating oil flows to the connection between the inner gear ring 11 and a plurality of sets of driving gears 17, and the connection between a plurality of sets of driving gears 17 and the driven gear 53, for the transmission maintenance between gears after noise occurs.

[0043] Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood that modifications can be made to the foregoing embodiments, or additional implementations can be implemented, without departing from the spirit and scope of the inventive subject matter. Accordingly, the present application is not limited to the implementations described herein, but is intended to be defined by the claims set forth below, and equivalents thereof.

Claims

1. A compact electrically motorized trolley drive mechanism incorporating a planetary reduction gear, characterized in that: The utility model provides a guide wheel drive assembly, the top transmission of guide wheel drive assembly is connected with motor input shaft, and the bottom transmission of guide wheel drive assembly is connected with speed reducer output shaft, the top fixed connection of guide wheel drive assembly has sealing cover, and the motor input shaft rotationally connects in sealing cover's central axis center, the bottom fixed connection of guide wheel drive assembly has guide wheel seat assembly, and the speed reducer output shaft rotationally connects in guide wheel seat assembly's central axis center.

2. The compact motorized trolley drive mechanism integrating planetary reducers of claim 1, wherein: The inner wall of the inner gear ring is provided with a guide wheel frame, and the top of the guide wheel frame is provided with a linkage support.

3. The compact motorized trolley drive mechanism integrating planetary reducers of claim 2, wherein: The top of the linkage support is fixedly connected with an oil box, the central axis center of the oil box is embeddedly connected with the motor input shaft, and the bottom end of the motor input shaft is fixedly connected to the top of the linkage support.

4. The compact motor-driven roller drive mechanism of integrated planetary reducers according to claim 3, characterized in that: A plurality of groups of hollow linkage columns are embeddedly installed at the edge of the outer wall of the linkage support, a plurality of groups of first drive cavities are formed at the edge of the guide wheel frame, and the other ends of the plurality of groups of hollow linkage columns extend into the first drive cavities.

5. The compact motorized trolley drive mechanism of integrated planetary reducers according to claim 4, characterized in that: A plurality of groups of driving gears are arranged in the plurality of groups of first drive cavities, and the plurality of groups of driving gears are rotationally connected with the hollow linkage columns, the plurality of groups of driving gears are meshingly connected with the inner gear ring, a second drive cavity is formed at the central axis center of the guide wheel frame, and the outer wall of the oil box is provided with a plurality of groups of maintenance mechanisms.

6. The compact motor-driven roller drive mechanism of integrated planetary reducers according to claim 5, characterized in that: The maintenance mechanism comprises an electromagnetic valve, a straight elbow is arranged at the top of the electromagnetic valve, the straight elbow is in communication with the oil box, the electromagnetic valve is fixedly connected to the outer wall of the linkage support, a shunt pipe is in communication with the bottom of the electromagnetic valve, a three-way pipe is in communication with the bottom of the shunt pipe, one end of the three-way pipe extends to the inner wall of the inner gear ring, and the other two ends of the three-way pipe extend to the outer wall of the driving gear.

7. The compact motorized trolley drive mechanism integrating planetary reducers of claim 1, wherein: The guide wheel seat assembly comprises a base shell, a bearing is embeddedly installed at the central axis center of the base shell, the speed reducer output shaft is rotationally connected in the bearing, a driven gear is fixedly connected to the top of the speed reducer output shaft, the driven gear extends into the second drive cavity and is meshingly connected with the plurality of groups of driving gears, and a plain bearing is further fixedly connected to the inner wall bottom end of the base shell.

8. The compact motor-driven roller drive mechanism of integrated planetary reducers according to claim 7, characterized in that: The top of the plain bearing is rotationally connected with a plurality of groups of positioning pin columns, the outer wall of the plurality of groups of positioning pin columns is embeddedly installed with a noise sensor, and the plurality of groups of noise sensors are arranged in the same horizontal direction as the driving gears.

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