阅读说明：本技术 一种润滑效果较好的减速机 (Speed reducer with good lubricating effect ) 是由 孙芳良 于 2021-10-11 设计创作，主要内容包括：本申请公开了一种润滑效果较好的减速机,包括壳体以及润滑装置、进油装置和减振装置,润滑装置包括底座、大端盖、小端盖、输出轴、密封盖、安装螺栓、输油孔、油封、轴承座、弹性轴承外套和限位螺母,壳体的一端侧壁固定连接大端盖,大端盖的一端通过安装螺栓螺纹连接小端盖,小端盖的内部中心贯穿有输出轴。本申请壳体在振动作用下带动减振杆和减振板下移,减振杆带动活动块沿着缓冲筒滑动,减振杆外侧套接的第一弹簧拉伸从而为壳体提供一次减振,通过壳体下压缓冲垫加强对壳体的减振,减振板沿着底座的侧壁滑动并带动第二弹簧拉伸,继而为壳体提供二次减振,从而减小壳体的振动,提高减速机的使用寿命。(The application discloses lubricated better speed reducer of effect, including casing and lubricating arrangement, oil feed device and vibration damper, lubricating arrangement includes base, big end cover, little end cover, output shaft, sealed lid, construction bolt, oil transmission hole, oil blanket, bearing frame, elastic bearing overcoat and stop nut, the big end cover of one end lateral wall fixed connection of casing, construction bolt threaded connection little end cover is passed through to the one end of big end cover, the output shaft has been run through at the inside center of little end cover. This application casing drives the damping rod and the damping plate moves down under the vibration effect, and the damping rod drives the movable block and slides along the buffer cylinder, thereby the damping is provided once for the casing to the first spring that the damping rod outside cup jointed is tensile, pushes down the blotter through the casing and strengthens the damping to the casing, and the damping plate slides and drives the second spring tensile along the lateral wall of base, provides the secondary damping then for the casing to reduce the vibration of casing, improve the life of speed reducer.)

1. The utility model provides a better speed reducer of lubricated effect which characterized in that: the device comprises a shell (1), a lubricating device, an oil inlet device and a vibration damping device;

the lubricating device comprises a base (2), a large end cover (3), a small end cover (4), an output shaft (5), a sealing cover (6), a mounting bolt (7), an oil delivery hole (18), an oil seal (19), a bearing seat (20), an elastic bearing outer sleeve (21) and a limiting nut (22), wherein the side wall of one end of the shell (1) is fixedly connected with the large end cover (3), one end of the large end cover (3) is in threaded connection with the small end cover (4) through the mounting bolt (7), and the output shaft (5) penetrates through the center of the inside of the small end cover (4);

the oil inlet device comprises an oil inlet pipe (8), an oil return pipe (9), an oil spilling hole (901), an oil tank (10), a turntable (11), a micro motor (12), a connecting rod (13), an oil conveying cylinder (14), a piston (15), an electromagnetic valve (16) and an oil pump (17), wherein the oil pump (17) and the oil tank (10) are installed on the outer side wall of one end of the shell (1), and the micro motor (12) is installed inside the oil tank (10);

damping device includes connecting hole (23), damping rod (24), first spring (25), buffer cylinder (26), movable block (27), second spring (28), damping plate (29) and cushion (30), bottom lateral wall fixed connection damping plate (29) and damping rod (24) of casing (1), be provided with base (2) around the bottom of casing (1), the one end of the inner wall fixed connection second spring (28) of base (2), the one end of other end fixed connection damping plate (29) of second spring (28), damping plate (29) sliding connection seat's lateral wall is inside.

2. A speed reducer with a good lubricating effect according to claim 1, characterized in that: a sealing cover (6) is installed at the center of the small end cover (4), an oil seal (19) is installed on one side of the sealing cover (6), and the oil seal (19) is sleeved on the outer side of one end of the output shaft (5).

3. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the oil pump is characterized in that one end of an oil inlet pipe (8) is fixed on the side wall of one end of the large end cover (3), one end of the oil inlet pipe (8) is communicated with the output end of an oil pump (17), and the output end of the oil pump (17) is connected with one side of the top of an oil conveying cylinder (14) through a pipeline.

4. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the oil tank is characterized in that an oil conveying cylinder (14) is installed inside the oil tank (10), a piston (15) is connected inside the oil conveying cylinder (14) in a sliding mode, and one end of a connecting rod (13) is rotatably connected to one side of the inside of the piston (15) through a rotating shaft.

5. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the output end of the micro motor (12) is sleeved with the rotary table (11), the outer side wall of one end of the rotary table (11) is rotatably connected with the other end of the connecting rod (13) through the rotary shaft, and one end of the connecting rod (13) is located at the bottom of the oil conveying cylinder (14).

6. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the bearing seat (20) is installed inside the large end cover (3), the output shaft (5) is arranged inside the bearing seat (20), the elastic bearing outer sleeve (21) is arranged at the top of the bearing seat (20), and the elastic bearing outer sleeve (21) is sleeved on the outer side of the output shaft (5).

7. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the top end of the elastic bearing outer sleeve (21) is provided with a limiting nut (22), and the limiting nut (22) is installed at the top of the output shaft (5).

8. A speed reducer with a good lubricating effect according to claim 1, characterized in that: an oil overflow hole (901) is formed in the side wall of one end of the bearing seat (20), an oil return pipe (9) is arranged on one side of the oil overflow hole (901), one end of the oil return pipe (9) is fixedly connected to the inside of one end of the large end cover (3), and the other end of the oil return pipe (9) penetrates through the side wall of the oil tank (10) and is communicated with the inside of the oil conveying cylinder (14).

9. A speed reducer with a good lubricating effect according to claim 1, characterized in that: one end of the oil inlet pipe (8) is communicated with one end of the oil conveying hole (18), the oil conveying hole (18) is formed in one side of the limiting nut (22), and the electromagnetic valves (16) are mounted inside the oil inlet pipe (8) and the oil return pipe (9).

10. A speed reducer with a good lubricating effect according to claim 1, characterized in that: the inside fixed connection buffer cylinder (26) of base (2), the inside sliding connection movable block (27) of buffer cylinder (26), the one end of the one end fixed connection damping rod (24) of movable block (27), damping rod (24) lateral wall has cup jointed first spring (25), first spring (25) fixed connection is in the one end of movable block (27) and the inner wall of buffer cylinder (26), the top of base (2) is provided with blotter (30).

Technical Field

The application relates to the technical field of speed reducers, in particular to a speed reducer with a good lubricating effect.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The speed reducer has the advantages that the speed reducer is widely applied to modern machinery, the input of a high-speed motor is converted into low-speed high-torque output, the input shaft of the speed reducer is a high-speed shaft, a bearing corresponding to the input shaft rotates at a high speed in a working project and generates a large amount of heat, if the motor cannot be lubricated in time, the bearing is easy to lose efficacy due to high temperature, and the service life of the speed reducer is shortened.

The speed reducer bearing is lubricated in the prior art in a mode of an oil thrower and an oil groove, the bearing at the top of a general speed reducer is difficult to lubricate, the general speed reducer is inconvenient to damp, components inside the speed reducer are easy to loosen, and the service life of the speed reducer is further influenced. Therefore, a speed reducer with a good lubricating effect is provided for solving the problems.

Disclosure of Invention

The utility model provides a lubricated better speed reducer of effect is used for solving among the prior art through the mode of oil slinger and oil groove lubricated speed reducer bearing, and the bearing at general speed reducer top is difficult to lubricate, and the inconvenient damping that carries on of general speed reducer causes the inside components and parts of speed reducer not hard up easily, influences the life's of speed reducer problem then.

According to one aspect of the application, the speed reducer with a good lubricating effect comprises a shell, a lubricating device, an oil inlet device and a vibration damping device;

the lubricating device comprises a base, a large end cover, a small end cover, an output shaft, a sealing cover, a mounting bolt, an oil conveying hole, an oil seal, a bearing seat, an elastic bearing outer sleeve and a limiting nut, wherein the large end cover is fixedly connected to the side wall of one end of the shell, one end of the large end cover is in threaded connection with the small end cover through the mounting bolt, and the output shaft penetrates through the center of the inside of the small end cover;

the oil inlet device comprises an oil inlet pipe, an oil return pipe, an oil overflow hole, an oil tank, a turntable, a micro motor, a connecting rod, an oil conveying cylinder, a piston, an electromagnetic valve and an oil pump, wherein the oil pump and the oil tank are arranged on the outer side wall of one end of the shell, and the micro motor is arranged in the oil tank;

damping device includes connecting hole, damping rod, first spring, buffer cylinder, movable block, second spring, damping plate and cushion, the bottom lateral wall fixed connection damping plate and the damping rod of casing, the bottom of casing is provided with the base all around, the one end of the inner wall fixed connection second spring of base, the one end of the other end fixed connection damping plate of second spring, inside damping plate sliding connection seat's the lateral wall.

Further, a sealing cover is installed at the center of the small end cover, an oil seal is installed on one side of the sealing cover, and the oil seal is sleeved on the outer side of one end of the output shaft.

Furthermore, one end of an oil inlet pipe is fixed on the side wall of one end of the large end cover, one end of the oil inlet pipe is communicated with the output end of an oil pump, and the output end of the oil pump is connected with one side of the top of the oil delivery cylinder through a pipeline.

Further, an oil conveying cylinder is installed inside the oil tank, a piston is connected inside the oil conveying cylinder in a sliding mode, and one side inside the piston is rotatably connected with one end of the connecting rod through a rotating shaft.

Furthermore, the output end of the micro motor is sleeved with a turntable, the outer side wall of one end of the turntable is rotatably connected with the other end of the connecting rod through a rotating shaft, and one end of the connecting rod is located at the bottom of the oil conveying cylinder.

Furthermore, a bearing seat is installed inside the large end cover, an output shaft is arranged inside the bearing seat, an elastic bearing outer sleeve is arranged at the top of the bearing seat, and the elastic bearing outer sleeve is sleeved on the outer side of the output shaft.

Furthermore, a limiting nut is arranged at the top end of the elastic bearing outer sleeve and is installed at the top of the output shaft.

Furthermore, an oil overflow hole is formed in the side wall of one end of the bearing seat, an oil return pipe is arranged on one side of the oil overflow hole, one end of the oil return pipe is fixedly connected inside one end of the large end cover, and the other end of the oil return pipe penetrates through the side wall of the oil tank and is communicated with the inside of the oil conveying cylinder.

Furthermore, one end of the oil inlet pipe is communicated with one end of the oil delivery hole, the oil delivery hole is formed in one side of the limiting nut, and electromagnetic valves are mounted inside the oil inlet pipe and the oil return pipe.

Further, the inside fixed connection buffer cylinder of base, the inside sliding connection movable block of buffer cylinder, the one end of the one end fixed connection shock attenuation pole of movable block, first spring has been cup jointed to the shock attenuation pole lateral wall, first spring fixed connection is at the one end of movable block and the inner wall of buffer cylinder, the top of base is provided with the blotter.

Through the above-mentioned embodiment of this application, adopted lubricating arrangement, oil feed device and vibration damper, solved among the prior art through the mode of oil throwing disc and oil groove to the speed reducer bearing lubrication, the bearing at general speed reducer top is difficult to lubricate, and the inconvenient damping that carries on of general speed reducer, causes the inside components and parts of speed reducer not hard up easily, influences the life's of speed reducer problem then.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic overall structure diagram of an embodiment of the present application;

fig. 3 is a schematic view of the internal structure of a large end cap according to an embodiment of the present application.

Fig. 4 is a schematic view of an internal structure of a base according to an embodiment of the present application.

FIG. 5 is a schematic illustration of the positions of the damper rod, the damper cylinder, the second spring, the damper plate, and the base according to an embodiment of the present application.

FIG. 6 is a schematic illustration of the position of the housing and base according to an embodiment of the present application.

In the figure: 1. a housing; 2. a base; 3. a large end cap; 4. a small end cap; 5. an output shaft; 6. a sealing cover; 7. installing a bolt; 8. an oil inlet pipe; 9. an oil return pipe; 901. an oil spill hole; 10. an oil tank; 11. a turntable; 12. a micro motor; 13. a connecting rod; 14. an oil delivery cylinder; 15. a piston; 16. an electromagnetic valve; 17. an oil pump; 18. an oil transfer hole; 19. oil sealing; 20. a bearing seat; 21. an elastic bearing housing; 22. a limit nut; 23. connecting holes; 24. a damper rod; 25. a first spring; 26. a buffer cylinder; 27. a movable block; 28. a second spring; 29. a vibration damping plate; 30. a cushion pad.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The speed reducer in the present embodiment can be applied to various mechanical transmissions, for example, the following speed reducer is provided in the present embodiment, and the speed reducer in the present embodiment can be used for improving lubrication of the following speed reducer.

A worm gear speed reducer with an overload protection structure comprises a speed reducer body and a rotating shaft which is positioned on one side of the speed reducer body and rotates, wherein a lining is fixedly connected inside the speed reducer body, one end of a taper sleeve penetrates through the inside of the lining, the inside of the lining is connected with the surface of the taper sleeve in a sliding manner, one end of the rotating shaft which is positioned inside the speed reducer body is connected with one side of the inner wall of the speed reducer body in a rotating manner, a rotating bearing is fixedly connected inside the speed reducer body, the inside of the rotating bearing is fixedly connected with the surface of the rotating shaft, the inside of the speed reducer body is connected with the surface of the rotating shaft in a rotating manner, a worm wheel which is meshed with the worm is arranged on the surface of the rotating shaft and positioned inside the speed reducer body, a conical inclined block is fixedly connected on one side of the worm wheel, which is close to a conical disc, and the surface of the conical inclined block is meshed with the left side of the conical disc, one side of the worm wheel close to the taper sleeve is provided with an annular groove matched with the taper sleeve, one side of the taper sleeve is positioned in the annular groove and rotates, and one side of the worm wheel is provided with a protection mechanism;

the protection mechanism comprises a taper sleeve and a taper disc, the right side of the taper disc is fixedly connected with a rotating speed sensor, the interior of the rotating speed sensor is electrically connected with the interior of the electromagnet through a lead, the interior of the taper sleeve is rotationally connected with the surface of the rotating shaft, the inner part of the conical disc is fixedly connected with the surface of the rotating shaft, the surface of the conical disc is connected with the inner part of the worm wheel in a sliding way, and two sides of the worm gear are respectively contacted with one side of the taper sleeve opposite to the taper disc, one end of the taper sleeve is fixedly connected with a movable block, the movable block is a metal block, the inner surface of the spring is connected with the surface of the rotating shaft in a sliding way, one side of the movable block is fixedly connected with the spring, one side of the surface of the rotating shaft is rotatably connected with a connecting block, one side of the connecting block is fixedly connected with one end of the spring, the inside of the speed reducer body is fixedly connected with an electromagnet, and one end of the rotating shaft penetrates through the inside of the electromagnet, and the details which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art.

In this embodiment, the rotation speed sensor is a magnetoelectric rotation speed sensor, and when the rotation speed sensor monitors that the rotation speed of the rotating shaft reaches a set value, the electromagnet is energized, and the electromagnet generates magnetic force to attract the movable block, so that one side of the taper sleeve is separated from one side of the worm wheel, and overload protection between the worm wheel and the worm is realized.

Of course, the present embodiment can also be used for other speed reducers. Here, description is not repeated, and the speed reducer according to the embodiment of the present application is described below.

Referring to fig. 1 to 6, a speed reducer with a good lubricating effect includes a housing 1, a lubricating device, an oil inlet device, and a vibration damping device;

the lubricating device comprises a base 2, a large end cover 3, a small end cover 4, an output shaft 5, a sealing cover 6, a mounting bolt 7, an oil delivery hole 18, an oil seal 19, a bearing seat 20, an elastic bearing outer sleeve 21 and a limiting nut 22, wherein the side wall of one end of the shell 1 is fixedly connected with the large end cover 3, one end of the large end cover 3 is in threaded connection with the small end cover 4 through the mounting bolt 7, and the output shaft 5 penetrates through the center inside the small end cover 4;

the oil inlet device comprises an oil inlet pipe 8, an oil return pipe 9, an oil overflow hole 901, an oil tank 10, a rotary table 11, a micro motor 12, a connecting rod 13, an oil delivery cylinder 14, a piston 15, an electromagnetic valve 16 and an oil pump 17, wherein the oil pump 17 and the oil tank 10 are installed on the outer side wall of one end of the shell 1, and the micro motor 12 is installed inside the oil tank 10;

damping device includes connecting hole 23, damping rod 24, first spring 25, buffer cylinder 26, movable block 27, second spring 28, damping plate 29 and cushion 30, bottom lateral wall fixed connection damping plate 29 and damping rod 24 of casing 1, the bottom of casing 1 is provided with base 2 all around, the one end of the inner wall fixed connection second spring 28 of base 2, the one end of the other end fixed connection damping plate 29 of second spring 28, inside the lateral wall of damping plate 29 sliding connection seat.

Through starting the oil pump, the oil pump carries lubricating oil to the oil delivery downthehole through advancing oil pipe, carries lubricating oil to output shaft and bearing frame in through the oil delivery hole, carries out the infiltration formula lubrication to bearing frame and output shaft then, improves lubricated effect.

A sealing cover 6 is arranged at the center of the small end cover 4, an oil seal 19 is arranged on one side of the sealing cover 6, and the oil seal 19 is sleeved on the outer side of one end of the output shaft 5; one end of an oil inlet pipe 8 is fixed on the side wall of one end of the large end cover 3, one end of the oil inlet pipe 8 is communicated with the output end of an oil pump 17, and the output end of the oil pump 17 is connected with one side of the top of an oil conveying cylinder 14 through a pipeline; an oil delivery cylinder 14 is arranged in the oil tank 10, a piston 15 is connected in the oil delivery cylinder 14 in a sliding manner, and one side in the piston 15 is rotatably connected with one end of a connecting rod 13 through a rotating shaft; the output end of the micro motor 12 is sleeved with a turntable 11, the outer side wall of one end of the turntable 11 is rotatably connected with the other end of a connecting rod 13 through a rotating shaft, and one end of the connecting rod 13 is positioned at the bottom of an oil conveying cylinder 14; a bearing seat 20 is installed inside the large end cover 3, an output shaft 5 is arranged inside the bearing seat 20, an elastic bearing outer sleeve 21 is arranged at the top of the bearing seat 20, and the elastic bearing outer sleeve 21 is sleeved outside the output shaft 5; the top end of the elastic bearing outer sleeve 21 is provided with a limit nut 22, and the limit nut 22 is installed at the top of the output shaft 5; an oil overflow hole 901 is formed in the side wall of one end of the bearing seat 20, an oil return pipe 9 is arranged on one side of the oil overflow hole 901, one end of the oil return pipe 9 is fixedly connected inside one end of the large end cover 3, and the other end of the oil return pipe 9 penetrates through the side wall of the oil tank 10 and is communicated with the inside of the oil delivery cylinder 14; one end of the oil inlet pipe 8 is communicated with one end of the oil delivery hole 18, the oil delivery hole 18 is arranged on one side of the limit nut 22, and the electromagnetic valves 16 are arranged inside the oil inlet pipe 8 and the oil return pipe 9; the inside fixed connection surge-barrel 26 of base 2, the inside sliding connection movable block 27 of surge-barrel 26, the one end of one end fixed connection damping rod 24 of movable block 27, first spring 25 has been cup jointed to damping rod 24 lateral wall, first spring 25 fixed connection is in the one end of movable block 27 and the inner wall of surge-barrel 26, the top of base 2 is provided with blotter 30.

When the device is used, firstly, electrical components in the device are externally connected with a control switch and a power supply, then a large end cover 3, a small end cover 4 and a sealing cover 6 are installed on one side of an output shaft 5, then a micro motor 12 is started, the micro motor 12 drives a turntable 11 to rotate, the turntable 11 drives a connecting rod 13 rotationally connected with a rotating shaft to do reciprocating motion, the connecting rod 13 pushes a piston 15 to slide along an oil conveying cylinder 14, lubricating oil in the oil conveying cylinder 14 enters an oil pump 17 through a pipeline, the lubricating oil is conveyed into an oil conveying hole 18 through an oil inlet pipe 8 by starting the oil pump 17, the lubricating oil is conveyed into the output shaft 5 and a bearing seat 20 through the oil conveying hole 18, then the bearing seat 20 and the output shaft 5 are subjected to immersion lubrication, the rotation of the output shaft 5 is kept through an elastic bearing outer sleeve 21 and a limiting nut 22, and the lubricating oil is convenient to flow back into the oil conveying cylinder 14 through an oil overflow hole 901 and an oil return pipe 9, the convenience is to carrying reciprocating transport lubricating oil to the speed reducer, casing 1 drives damping rod 24 and damping plate 29 and moves down under the vibration effect, damping rod 24 drives movable block 27 and slides along buffer tube 26, thereby the first spring 25 that the damping rod 24 outside cup jointed is tensile provides a damping for casing 1, push down the damping of blotter 30 enhancement to casing 1 through casing 1, damping plate 29 slides and drives second spring 28 tensile along the lateral wall of base 2, then for casing 1 provides the secondary damping, thereby reduce casing 1's vibration, the life of speed reducer is improved.

The application has the advantages that:

1. the lubricating oil delivery device is simple in operation, by starting the oil pump, the oil pump conveys lubricating oil into the oil delivery hole through the oil inlet pipe, and conveys the lubricating oil into the output shaft and the bearing block through the oil delivery hole, so that the bearing block and the output shaft are subjected to immersion lubrication, and the lubricating effect is improved;

2. the structure is reasonable, the rotation of the output shaft is kept through the elastic bearing outer sleeve and the limiting nut, lubricating oil conveniently flows back to the oil conveying cylinder through the oil overflow hole and the oil return pipe, and the lubricating oil is conveniently conveyed to the speed reducer in a reciprocating mode;

3. this application is rational in infrastructure, the casing drives the damping rod and the damping plate moves down under the vibration effect, the damping rod drives the movable block and slides along the buffer cylinder, thereby the first spring that the damping rod outside cup jointed is tensile provides a damping for the casing, push down the blotter through the casing and strengthen the damping to the casing, the damping plate slides and drives the second spring tensile along the lateral wall of base, provide the secondary damping for the casing then, thereby reduce the vibration of casing, improve the life of speed reducer.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

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