CN220378835U - Speed reducer - Google Patents
Speed reducer Download PDFInfo
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- CN220378835U CN220378835U CN202321839126.9U CN202321839126U CN220378835U CN 220378835 U CN220378835 U CN 220378835U CN 202321839126 U CN202321839126 U CN 202321839126U CN 220378835 U CN220378835 U CN 220378835U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a speed reducer, which comprises a box body, an input shaft, an output shaft and a transmission structure, wherein a first transmission port is formed in a first side of the box body, a plurality of second transmission ports are formed in a second side of the box body, and the second transmission ports are distributed at intervals along the circumferential direction of the first transmission port, and the first side and the second side are vertical; the transmission structure comprises an input bevel gear which is arranged on the input shaft and an output bevel gear which is arranged on the output shaft in an adaptive engagement mode, when the speed reducer is in a first transmission state, the input shaft is inserted into the first transmission port, the output shafts are respectively inserted into the second transmission ports, and when the speed reducer is in a second transmission state, the output shafts are inserted into the first transmission port, and the input shafts are respectively inserted into the second transmission ports; in this way, the speed reducer realizes power split in a first state by single input and multiple output, and the rotation directions of the plurality of output shafts are the same as the output end speed; the power output is realized through multiple inputs and single output in the second state, so that the market diversity requirement is met; and the structural design is compact, and the occupied area is small.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a speed reducer.
Background
The speed reducer has the functions of reducing speed and increasing torque, needs to be matched with other equipment for use, and is mostly applied to large-scale equipment. The traditional speed reducer generally adopts a single-input single-output transmission structure, and the diversified requirements of the market are not met.
Disclosure of Invention
The main purpose of the present utility model is to provide a speed reducer, which aims to solve the above problems.
In order to achieve the above object, the present utility model provides a speed reducer, including:
the box body is provided with a first transmission port on a first side, a plurality of second transmission ports on a second side, the second transmission ports are distributed at intervals along the circumference of the first transmission port, and the first side and the second side are perpendicular to each other;
the input end of the input shaft is used for being connected with external driving equipment, and the output end of the input shaft is inserted into the box body;
the input end of the output shaft is inserted into the box body and is in transmission connection with the input shaft, and the output end of the output shaft is used for being connected with external execution equipment; the method comprises the steps of,
the transmission structure is arranged in the box body and comprises an input bevel gear and an output bevel gear which are in fit engagement, wherein the input bevel gear is fixedly arranged at the output end of the input shaft, and the output bevel gear is fixedly arranged at the input end of the output end;
the speed reducer is provided with a first transmission state and a second transmission state, when the speed reducer is in the first transmission state, the input shaft is inserted into the first transmission port, the output shafts are respectively inserted into the second transmission ports, and when the speed reducer is in the second transmission state, the output shafts are respectively inserted into the first transmission ports, and the input shafts are respectively inserted into the second transmission ports.
Optionally, the input bevel gear and the output bevel gear are both helical bevel gears.
Optionally, the speed reducer further includes:
the first flange is fixedly connected with the box body and is rotationally connected with the input shaft; the method comprises the steps of,
the first supporting structure comprises a first bearing and a second bearing which are distributed along the axial direction of the input shaft at intervals, wherein the first bearing and the second bearing are respectively and fixedly connected with the inner periphery of the first flange, are sleeved on the outer periphery of the input shaft, and are in rotary connection with the input shaft.
Optionally, the first bearing and the second bearing are tapered roller bearings.
Optionally, the speed reducer further includes:
the second flange is fixedly connected with the box body and is rotationally connected with the output shaft; the method comprises the steps of,
the second supporting structure comprises a third bearing and a fourth bearing which are distributed along the axial direction of the output shaft at intervals, wherein the third bearing and the fourth bearing are respectively and fixedly connected with the inner periphery of the second flange, are sleeved on the outer periphery of the output shaft, and are in rotary connection with the output shaft.
Optionally, the third bearing and the fourth bearing are deep groove ball bearings.
Optionally, the output end of the input shaft is provided with a first oil seal.
Optionally, the input end of the output shaft is provided with a second oil seal.
Optionally, the output shaft is keyed to the output bevel gear.
In the technical scheme of the utility model, when the speed reducer is in the first state, the input shaft is inserted into the first transmission port, the output shafts are respectively inserted into the second transmission ports, namely, power is sequentially transmitted to the output shafts through the input shaft, the input bevel gear and the output bevel gear, the speed reducer adopts a single-input multi-output transmission structure to realize power split, and the requirements that the rotation directions of the output shafts are the same and the output end speeds are the same can be met; when the speed reducer is in the second state, the output shaft is inserted into the first transmission port, the input shafts are respectively inserted into the second transmission ports, namely, power is sequentially transmitted to the output shaft through the input shafts, the input bevel gears and the output bevel gears, and the speed reducer adopts a multi-input single-output transmission structure to realize power output, so that the high transmission efficiency of the speed reducer is ensured, and meanwhile, the market diversification requirements can be met. The first transmission port is formed in the first side of the box body, the second transmission port is formed in the second side of the box body, the first side and the second side are vertically arranged, so that the input shaft and the output shaft are vertically arranged in space to meet the power transmission steering requirement, and meanwhile, the first transmission port and the second transmission port are formed to enable the speed reducer to be compact in structural design and small in occupied area, limit of the using space on the applicability of the speed reducer is reduced, and practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a speed reducer (in a first transmission state) provided by the present utility model;
FIG. 2 is a cross-sectional view of the speed reducer of FIG. 1 taken along line A-A;
fig. 3 is a cross-sectional view of the speed reducer of fig. 2 taken along B-B.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Speed reducer | 42 | Output bevel gear |
| 1 | Box body | 5 | First flange |
| 11 | First side | 6 | First support structure |
| 111 | First transmission port | 61 | First bearing |
| 12 | Second side | 62 | Second bearing |
| 2 | Input shaft | 7 | Second flange |
| 3 | Output shaft | 8 | Second support structure |
| 4 | Transmission structure | 81 | Third bearing |
| 41 | Input bevel gear | 82 | Fourth bearing |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The speed reducer has the functions of reducing speed and increasing torque, needs to be matched with other equipment for use, and is mostly applied to large-scale equipment. The traditional speed reducer generally adopts a single-input single-output transmission structure, and the diversified requirements of the market are not met.
In view of this, the present utility model provides a speed reducer 100, and fig. 1 to 3 are schematic structural diagrams of an embodiment of the speed reducer 100.
Referring to fig. 1 to 3, the speed reducer 100 includes a casing 1, an input shaft 2, an output shaft 3, and a transmission structure 4, a first side 11 of the casing 1 is provided with a first transmission port 111, a second side 12 of the casing 1 is provided with a plurality of second transmission ports, the second transmission ports are arranged along a circumferential direction of the first transmission port 111 at intervals, and the first side 11 and the second side 12 are vertically arranged; the input end of the input shaft 2 is used for being connected with external driving equipment, and the output end of the input shaft 2 is inserted into the box body 1; the input end of the output shaft 3 is inserted into the box body 1 and is in transmission connection with the input shaft 2, and the output end of the output shaft 3 is used for being connected with the external execution equipment; the transmission structure 4 is arranged in the box body 1 and comprises an input bevel gear 41 and an output bevel gear 42 which are in fit engagement, the input bevel gear 41 is fixedly arranged at the output end of the input shaft 2, and the output bevel gear 42 is fixedly arranged at the input end of the output end; the speed reducer 100 has a first transmission state and a second transmission state, when the speed reducer 100 is in the first transmission state, the input shaft 2 is inserted into the first transmission port 111, the output shafts 3 are respectively inserted into the second transmission ports, when the speed reducer 100 is in the second transmission state, the output shafts 3 are inserted into the first transmission port 111, and the input shafts 2 are respectively inserted into the second transmission ports.
In the technical scheme of the present utility model, when the speed reducer 100 is in the first state, the input shaft 2 is inserted into the first transmission port 111, the output shafts 3 are respectively inserted into the second transmission ports, that is, power is sequentially transmitted to the output shafts 3 through the input shaft 2, the input bevel gear 41 and the output bevel gear 42, and the speed reducer 100 adopts a single-input-multiple-output transmission structure 4 to realize power split, and can meet the requirements that the rotation directions of the output shafts 3 are the same and the output end speeds are the same; when the speed reducer 100 is in the second state, the output shaft 3 is inserted into the first transmission port 111, and the input shafts 2 are respectively inserted into the second transmission ports, that is, power is sequentially transmitted to the output shaft 3 through the input shafts 2, the input bevel gears 41 and the output bevel gears 42, and the speed reducer 100 adopts the multiple-input single-output transmission structure 4 to realize power output, so that the high transmission efficiency of the speed reducer 100 is ensured, and meanwhile, the market diversity requirement can be met.
The first transmission port 111 is formed in the first side 11 of the box body 1, the second transmission port is formed in the second side 12 of the box body 1, the first side 11 and the second side 12 are vertically arranged, so that the input shaft 2 and the output shaft 3 are vertically arranged in space to meet the power transmission steering requirement, and meanwhile, the first transmission port 111 and the second transmission port are formed to enable the speed reducer 100 to be compact in structural design and small in occupied area, limit of the using space to the applicability of the speed reducer 100 is reduced, and practicability is improved.
In addition, the input shaft 2 and the output shaft 3 are in single-stage transmission connection through the input bevel gear 41 and the output bevel gear 42, and the speed reducer 100 has a simple structure while meeting high transmission efficiency, and is low in production cost and convenient to assemble and disassemble.
In the present utility model, the number of the second transmission ports is not limited, that is, the number of the output shafts 3 or the input shafts 2 is not limited. Specifically, referring to fig. 1 and 2, in an embodiment of the present utility model, the box 1 is provided with three second transmission ports, which can meet the power transmission requirement of single input, three output or three input, single output.
It should be noted that, in an embodiment of the present utility model, the number of the input bevel gears 41 is the same as the number of the input shafts 2, and the number of the output bevel gears 42 is the same as the number of the output shafts 3.
Further, in an embodiment of the present utility model, the input bevel gear 41 and the output bevel gear 42 are spiral bevel gears, so that the transmission efficiency is high, the transmission ratio is stable, the structure is compact, the installation space is saved, the overall volume of the speed reducer 100 can be further reduced, and meanwhile, the bearing capacity is high, the transmission is smooth and stable, the operation is reliable, the wear resistance is long, and the noise is low.
Specifically, referring to fig. 1 and 3, the speed reducer 100 further includes a first flange 5 and a first support structure 6, where the first flange 5 is fixedly connected to the case 1 and is rotatably connected to the input shaft 2; the first support structure 6 includes a first bearing 61 and a second bearing 62 that are distributed at intervals along the axial direction of the input shaft 2, where the first bearing 61 and the second bearing 62 are respectively fixedly connected to the inner periphery of the first flange 5, and are sleeved on the outer periphery of the input shaft 2, and are rotatably connected with the input shaft 2. In this way, the input shaft 2 is supported by the first support structure 6, and is uniformly stressed, so that the rotation precision is maintained, the abrasion is reduced, and the service life is prolonged in the transmission process.
It should be noted that, the connection manner between the first flange 5 and the case 1 is not limited, and in particular, in an embodiment of the present utility model, the first flange 5 and the case 1 are connected by a hexagonal screw, so that the connection is stable.
Further, in an embodiment of the present utility model, the first bearing 61 and the second bearing 62 are tapered roller bearings, which can limit the axial displacement of the input shaft 2, so as to ensure that the input bevel gear 41 provided on the input shaft 2 can be meshed with the output bevel gear 42 provided on the output shaft 3, thereby improving the transmission stability of the speed reducer 100.
Specifically, referring to fig. 1 and 2, the speed reducer 100 further includes a second flange 7 and a second support structure 8, where the second flange 7 is fixedly connected with the box 1 and rotationally connected with the output shaft 3, the second support structure 8 includes a third bearing 81 and a fourth bearing 82 that are distributed along an axial direction of the output shaft 3 at intervals, and the third bearing 81 and the fourth bearing 82 are respectively and fixedly connected with an inner periphery of the second flange 7, and are sleeved on an outer periphery of the output shaft 3 and rotationally connected with the output shaft 3. In this way, the output shaft 3 is supported by the second support structure 8, and is uniformly stressed, so that the rotation precision is maintained, the abrasion is reduced, and the service life is prolonged in the transmission process.
It should be noted that, the connection manner between the second flange 7 and the case 1 is not limited, and in particular, in an embodiment of the present utility model, the second flange 7 is connected to the case 1 by a hexagonal screw, so that the connection is stable.
Further, in an embodiment of the present utility model, the third bearing 81 and the fourth bearing 82 are deep groove ball bearings, which have high bearing performance, low friction coefficient, low noise and long service life.
Specifically, in an embodiment of the present utility model, the output end of the input shaft 2 is provided with a first oil seal, so as to improve the sealing performance and prevent the lubricating grease from leaking.
Specifically, in an embodiment of the present utility model, the input end of the output shaft 3 is provided with two oil seals, so as to improve the sealing performance and prevent the lubricating grease from leaking.
Specifically, the output shaft 3 is in key connection with the output bevel gear 42, more specifically, a flat key is arranged on the periphery of the input end of the output shaft 3, and the output bevel gear 42 is provided with an adaptive key slot corresponding to the flat key.
Of course, the input shaft 2 and the input bevel gear 41 may also be keyed.
Specifically, the output shaft 3 is fixedly connected with external execution equipment through a flange and a flat key, and the input shaft 2 can also be fixedly connected with external driving equipment through a flange and a flat key.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (9)
1. A speed reducer, characterized in that the speed reducer comprises:
the box body is provided with a first transmission port on a first side, a plurality of second transmission ports on a second side, the second transmission ports are distributed at intervals along the circumference of the first transmission port, and the first side and the second side are perpendicular to each other;
the input end of the input shaft is used for being connected with external driving equipment, and the output end of the input shaft is inserted into the box body;
the input end of the output shaft is inserted into the box body and is in transmission connection with the input shaft, and the output end of the output shaft is used for being connected with external execution equipment; the method comprises the steps of,
the transmission structure is arranged in the box body and comprises an input bevel gear and an output bevel gear which are in fit engagement, wherein the input bevel gear is fixedly arranged at the output end of the input shaft, and the output bevel gear is fixedly arranged at the input end of the output end;
the speed reducer is provided with a first transmission state and a second transmission state, when the speed reducer is in the first transmission state, the input shaft is inserted into the first transmission port, the output shafts are respectively inserted into the second transmission ports, and when the speed reducer is in the second transmission state, the output shafts are respectively inserted into the first transmission ports, and the input shafts are respectively inserted into the second transmission ports.
2. The speed reducer of claim 1, wherein the input bevel gear and the output bevel gear are both helical bevel gears.
3. The speed reducer of claim 1, further comprising:
the first flange is fixedly connected with the box body and is rotationally connected with the input shaft; the method comprises the steps of,
the first supporting structure comprises a first bearing and a second bearing which are distributed along the axial direction of the input shaft at intervals, wherein the first bearing and the second bearing are respectively and fixedly connected with the inner periphery of the first flange, are sleeved on the outer periphery of the input shaft, and are in rotary connection with the input shaft.
4. A speed reducer as claimed in claim 3, wherein the first bearing and the second bearing are tapered roller bearings.
5. The speed reducer of claim 1, further comprising:
the second flange is fixedly connected with the box body and is rotationally connected with the output shaft; the method comprises the steps of,
the second supporting structure comprises a third bearing and a fourth bearing which are distributed along the axial direction of the output shaft at intervals, wherein the third bearing and the fourth bearing are respectively and fixedly connected with the inner periphery of the second flange, are sleeved on the outer periphery of the output shaft, and are in rotary connection with the output shaft.
6. The speed reducer of claim 5, wherein said third bearing and said fourth bearing are deep groove ball bearings.
7. The speed reducer of claim 1, wherein the output end of the input shaft is provided with a first oil seal.
8. The speed reducer of claim 1, wherein the input end of the output shaft is provided with a second oil seal.
9. The speed reducer of claim 1 wherein said output shaft is keyed to said output bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839126.9U CN220378835U (en) | 2023-07-12 | 2023-07-12 | Speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839126.9U CN220378835U (en) | 2023-07-12 | 2023-07-12 | Speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378835U true CN220378835U (en) | 2024-01-23 |
Family
ID=89560532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321839126.9U Active CN220378835U (en) | 2023-07-12 | 2023-07-12 | Speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378835U (en) |
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2023
- 2023-07-12 CN CN202321839126.9U patent/CN220378835U/en active Active
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