CN212985932U - Motor direct connection structure of gear box - Google Patents
Motor direct connection structure of gear box Download PDFInfo
- Publication number
- CN212985932U CN212985932U CN202021501393.1U CN202021501393U CN212985932U CN 212985932 U CN212985932 U CN 212985932U CN 202021501393 U CN202021501393 U CN 202021501393U CN 212985932 U CN212985932 U CN 212985932U
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- motor
- connection structure
- gear shaft
- input
- gearbox
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Abstract
The utility model discloses a motor direct-connection structure of a gear box, which comprises an input gear shaft, wherein the input gear shaft is arranged in the gear box and is provided with an input end; the gear box shell cover is connected with the outer periphery of the input gear shaft; the motor fixing support is connected with the gear box shell cover and is connected with the outer periphery of the input gear shaft; the motor is connected with the motor fixing support, and a motor shaft of the motor is provided with an output end which is directly connected with the input end; and the hoop is connected with the outer peripheral edge of one end of the input gear shaft. The motor direct connection structure of the gear box has the advantages of high connection precision and small rotation error between the motor and the gear box.
Description
Technical Field
The utility model belongs to the technical field of the gear box, concretely relates to motor direct-connected structure of gear box.
Background
At present, most of gear boxes are generally provided with grooves on shafts when the motor shafts and the input shafts are connected, keys are added into the grooves for connection, and the motor shafts need to rotate at a high speed, so that the input shafts and the motor shafts in the gear boxes easily generate rotation errors, the connection precision is poor, and meanwhile, rotation noise can be generated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a motor direct-connected structure of gear box, motor direct-connected structure of this gear box have between motor and the gear box connect the precision high, the little advantage of rotation error.
According to the utility model discloses motor direct-connected structure of gear box, include: an input gear shaft disposed within the gear box, the input gear shaft having an input end; the gear box shell cover is connected with the outer periphery of the input gear shaft; the motor fixing support is connected with the gear box shell cover and is connected with the outer periphery of the input gear shaft; the motor is connected with the motor fixing support, and a motor shaft of the motor is provided with an output end which is directly connected with the input end; and the hoop is connected with the outer peripheral edge of one end of the input gear shaft.
According to the utility model discloses motor direct-connection structure of gear box is through directly alling oneself with motor shaft and input gear shaft to through the staple bolt fastening, improved the transmission precision of motor and input gear shaft, avoided rotational error.
According to the utility model discloses an embodiment, input gear axle with the motor shaft is coaxial to be arranged.
According to an embodiment of the present invention, the outer peripheral edge of the output end is connected to the inner peripheral edge of the input end.
According to the utility model discloses an embodiment, the output is the external spline.
According to an embodiment of the present invention, the input end is an internal spline, the internal spline is engaged with the external spline, and the input end is recessed in a direction away from the motor shaft to form a buffer cavity; the buffer cavity is connected with the inner spline, and the outer peripheral diameter of the buffer cavity is larger than that of the inner spline.
According to the utility model discloses an embodiment, the external splines with the internal spline is involute spline.
According to the utility model discloses an embodiment, the motor direct-connection structure of gear box still includes: the inner circumference of the bearing is connected with the outer circumference of the input gear shaft, and the outer circumference of the bearing is connected with the gear case cover.
According to the utility model discloses an embodiment, the motor direct-connection structure of gear box still includes: the inner periphery of the lip sealing ring is connected with the outer periphery of the input gear shaft, and the outer periphery of the lip sealing ring is connected with the motor fixing support.
According to the utility model discloses an embodiment, the motor fixed bolster with the gear box cap passes through screw fixed connection.
According to the utility model discloses an embodiment, a gear box, including the aforesaid arbitrary gear box's motor direct-connected structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a direct motor connection structure of a gearbox according to an embodiment of the invention;
fig. 2 is a schematic structural view of a gearbox of a direct motor coupling structure of the gearbox according to an embodiment of the present invention;
reference numerals:
a motor direct-coupled structure 100 of the gearbox;
an input gear shaft 10, a buffer cavity 11 and an internal spline 12;
a gearbox cover 20;
a motor fixing bracket 30;
a motor 40;
an anchor ear 60;
a lip seal 70;
and a bearing 80.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The direct motor coupling structure 100 of the gear box according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the motor direct connection structure 100 of the gearbox according to the embodiment of the present invention includes: the gearbox comprises an input gear shaft 10, a gearbox shell cover 20, a motor fixing bracket 30, a motor 40 and an anchor ear 60.
Specifically, an input gear shaft 10 is provided in the gear case, the input gear shaft 10 having an input end; the gear case cover 20 is connected with the outer periphery of the input gear shaft 10; the motor fixing bracket 30 is connected with the gear case cover 20 and is connected with the outer periphery of the input gear shaft 10; the motor 40 is connected with the motor fixing bracket 30, and a motor shaft 50 of the motor 40 is provided with an output end which is directly connected with the input end; the anchor ear 60 is connected to the outer circumference of one end of the input gear shaft 10.
In other words, as shown in fig. 1, according to the utility model discloses motor direct connection structure 100 of gear box mainly by input gear shaft 10, gear box cover 20, motor fixed bolster 30, motor 40 and staple bolt 60 are constituteed, the right-hand member of input gear shaft 10 passes gear box cover 20 and motor fixed bolster 30 back in proper order and directly links to each other with motor shaft 50, the fixed cover of right-hand member tip surface of input gear shaft 10 is equipped with staple bolt 60, the left end and the gear box cover 20 fixed connection of motor fixed bolster 30, the right-hand member and the motor 40 fixed connection of motor fixed bolster 30.
Therefore, the motor shaft 50 is directly connected with the input gear shaft 10 and is fastened through the hoop 60, so that the transmission precision of the motor 40 and the input gear shaft 10 is improved, and the rotation error is avoided.
Further, the input gear shaft 10 is coaxially disposed with the motor shaft 50, and the power of the motor 40 is directly supplied to the input gear shaft 10 without causing a power loss.
Further, the outer periphery of the output end is connected to the inner periphery of the input end.
Preferably, the output end is an external spline 51.
Further preferably, the input end is an internal spline 12, the internal spline 12 is meshed with the external spline 51, and the input end is recessed in the direction away from the motor shaft 50 to form a buffer cavity 11; cushion chamber 11 links to each other with internal spline 12, and cushion chamber 11's outer peripheral diameter is greater than internal spline 12's outer peripheral diameter, and cushion chamber 11 has formed a buffering space, is convenient for external spline 51 to insert internal spline 12, and cushion chamber 11 can form between internal spline 12's left end and input gear shaft 10 simultaneously and block, avoids rotating the in-process and takes place stress concentration.
According to an embodiment of the present invention, the external splines 51 and the internal splines 11 are involute splines. The involute spline has more teeth, thicker tooth root, strong bearing capacity, easy automatic centering and high installation precision.
In some embodiments of the present invention, the motor direct connection structure of the gear box further comprises: and a bearing 80, wherein the inner periphery of the bearing 80 is connected with the outer periphery of the input gear shaft 10, and the outer periphery of the bearing 80 is connected with the gear case cover 20.
In some embodiments of the present invention, the motor direct connection structure of the gear box further comprises: lip sealing ring 70, the internal periphery of lip sealing ring 70 links to each other with the outer peripheral edge of input gear shaft 10, and the outer peripheral edge of lip sealing ring 70 links to each other with motor fixed bolster 30, and lip sealing ring 70 can realize avoiding taking place lubricating oil and leaking the sealed of input gear shaft 10 with motor fixed bolster 30 and gear box cap 20.
According to an embodiment of the present invention, the motor fixing bracket 30 is fixedly connected to the gear housing cover 20 by screws.
According to an embodiment of the present invention, as shown in fig. 2, a gear box includes a direct motor connection structure of any one of the above gear boxes.
To sum up, the utility model discloses can realize the firm fixed of motor 40 and gear box cap 20, through directly alling oneself with input gear axle 10 and motor shaft 50 adoption involute spline's mode, avoid rotation error, improve transmission precision, reduce noise at work.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A motor direct connection structure of a gearbox is characterized by comprising:
an input gear shaft disposed within the gear box, the input gear shaft having an input end;
the gear box shell cover is connected with the outer periphery of the input gear shaft;
the motor fixing support is connected with the gear box shell cover and is connected with the outer periphery of the input gear shaft;
the motor is connected with the motor fixing support, and a motor shaft of the motor is provided with an output end which is directly connected with the input end;
and the hoop is connected with the outer peripheral edge of one end of the input gear shaft.
2. A direct motor coupling structure for a gearbox according to claim 1, wherein said input gear shaft is arranged coaxially with said motor shaft.
3. The direct motor connection structure of the gearbox according to claim 2, wherein the outer periphery of the output end is connected with the inner periphery of the input end.
4. The gearbox motor direct connection structure as claimed in claim 3, wherein the output end is an external spline.
5. The gearbox motor direct connection structure as claimed in claim 4, wherein the input end is an internal spline, the internal spline is meshed with the external spline and connected with the external spline, and the input end is recessed in a direction away from the motor shaft to form a buffer cavity; the buffer cavity is connected with the inner spline, and the outer peripheral diameter of the buffer cavity is larger than that of the inner spline.
6. A gearbox motor direct connection structure as defined in claim 5, wherein said external splines and said internal splines are involute splines.
7. The direct motor connection structure of a gearbox according to claim 1, further comprising: the inner circumference of the bearing is connected with the outer circumference of the input gear shaft, and the outer circumference of the bearing is connected with the gear case cover.
8. The direct motor connection structure of a gearbox according to claim 1, further comprising: the inner periphery of the lip sealing ring is connected with the outer periphery of the input gear shaft, and the outer periphery of the lip sealing ring is connected with the motor fixing support.
9. The direct motor connection structure of the gearbox according to claim 1, wherein the motor fixing bracket is fixedly connected with the gearbox shell cover through screws.
10. A gearbox characterized by a direct motor connection comprising a gearbox according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021501393.1U CN212985932U (en) | 2020-07-27 | 2020-07-27 | Motor direct connection structure of gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021501393.1U CN212985932U (en) | 2020-07-27 | 2020-07-27 | Motor direct connection structure of gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985932U true CN212985932U (en) | 2021-04-16 |
Family
ID=75429455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021501393.1U Active CN212985932U (en) | 2020-07-27 | 2020-07-27 | Motor direct connection structure of gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985932U (en) |
-
2020
- 2020-07-27 CN CN202021501393.1U patent/CN212985932U/en active Active
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