CN220248866U - Reduction gearbox - Google Patents
Reduction gearbox Download PDFInfo
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- CN220248866U CN220248866U CN202321054807.4U CN202321054807U CN220248866U CN 220248866 U CN220248866 U CN 220248866U CN 202321054807 U CN202321054807 U CN 202321054807U CN 220248866 U CN220248866 U CN 220248866U
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- 230000009467 reduction Effects 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 238000009434 installation Methods 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a reduction gearbox, which comprises: the first installation cavity is arranged at one end of the body; the second installation cavity is arranged at the other end of the body and comprises an installation opening and an installation cover matched with the installation opening; the mounting opening is arched, the area of the mounting opening is smaller than the sectional area of the second mounting cavity, and the mounting cover is movably connected with the mounting opening; the input assembly is arranged in the first mounting cavity; the transmission assembly comprises an input end and an output end; the input end is arranged in the first mounting cavity and meshed with the input assembly; the output end is arranged in the second mounting cavity; and at least one part of the output assembly is arranged in the second mounting cavity and meshed with the output end. Compared with the existing full-circular structure, the oil sealing device has the advantages that the area is reduced, so that the required oil sealing area is smaller, the sealing effect is more reliable, the risk of oil leakage is reduced, the rigidity of the box body is improved, and the heat dissipation efficiency of the adding equipment is also improved.
Description
Technical Field
The utility model relates to the technical field of reduction boxes, in particular to a reduction box.
Background
At present, domestic walking reducing gear box for people's upward fork truck, the top has first installation cavity for install input shaft, transmission shaft and input shaft and transmission shaft upper gear, one side of bottom has the second installation cavity, is used for installing transmission shaft and the epaxial gear of output, has following defect:
in order to facilitate the installation of gears on the transmission shaft and the output shaft, the second installation cavity is arranged to be in a complete circle shape, the required oil sealing area is large, the sealing effect is unreliable, the risk of oil leakage is increased, and the rigidity of the box body is influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and the utility model provides the human uplink speed reduction box with small oil sealing area, good sealing effect and high rigidity.
In order to solve the technical problems, the utility model provides a reduction gearbox, which comprises a body and further comprises:
the first installation cavity is arranged at one end of the body;
the second installation cavity is arranged at the other end of the body and comprises an installation opening and an installation cover matched with the installation opening; the mounting opening is arched, the area of the mounting opening is smaller than the sectional area of the second mounting cavity, and the mounting cover is movably connected with the mounting opening;
the input assembly is arranged in the first mounting cavity;
the transmission assembly comprises an input end and an output end; the input end is arranged in the first mounting cavity and meshed with the input assembly; the output end is arranged in the second mounting cavity;
and at least one part of the output assembly is arranged in the second mounting cavity and meshed with the output end.
As a preferable mode of the utility model, the utility model further comprises an arc-shaped measuring port, wherein the measuring port is arranged on the straight side of the mounting port.
As a preferred mode of the present utility model, the diameter of the measuring port is smaller than the straight edge of the mounting port.
As a preferable mode of the utility model, the mounting cover is matched with the mounting opening and the measuring opening, and the mounting cover is movably connected with the mounting opening and the measuring opening.
As a preferred mode of the present utility model, the input assembly includes an input shaft, a driving gear connected to the input shaft; the drive gear is engaged with the input end of the transmission assembly.
As a preferred mode of the present utility model, the output assembly includes an output shaft, a driven gear connected to the output shaft; the driven gear is meshed with the output end of the transmission assembly.
As a preferred mode of the present utility model, the output assembly further includes a connection portion connected to the output shaft and protruding from the second mounting cavity.
As a preferable mode of the utility model, the transmission assembly comprises a transmission shaft with two ends respectively positioned in the first installation cavity and the second installation cavity, a first transmission gear arranged in the first installation cavity and connected with the transmission shaft, and a second transmission gear arranged in the second installation cavity and connected with the transmission shaft; the first transfer gear is engaged with the input assembly and the second transfer gear is engaged with the output assembly.
As a preferred mode of the present utility model, the central axes of the input assembly, the transmission assembly and the output assembly are located on the same plane.
As a preferable mode of the utility model, the center axis of the mounting opening and the center axis of the transmission assembly form an included angle.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the reduction gearbox, the mounting opening is arched, so that the required oil sealing area is smaller, the sealing effect is more reliable, the risk of oil leakage is reduced, and the rigidity of the gearbox body is improved compared with the existing full-circular structure. The round mandrel of the mounting opening is arranged at an included angle with the transmission shaft, that is, under the condition of reducing the size of the mounting opening, the surface where the mounting opening is arranged at an included angle with the transmission shaft, that is, the installation is inclined relative to the horizontal plane, so that the second transmission gear and the driven gear are convenient to assemble and disassemble. The ascending reduction gearbox has small oil sealing area, good sealing effect and high rigidity.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic cross-sectional view of a reduction gearbox of the present utility model.
Fig. 2 is a schematic view of a mounting port of a reduction gearbox according to the utility model.
Fig. 3 is a schematic view of an input mounting port of a reduction gearbox according to the present utility model.
Fig. 4 is a front view schematically showing the mounting opening of a reduction gearbox according to the present utility model.
Fig. 5 is a schematic view of a reduction gearbox of the present utility model.
Description of the specification reference numerals: 1. a body; 2. an input shaft; 21. a drive gear; 3. a transmission shaft; 31. a first transmission gear; 32. a second transmission gear; 4. an output shaft; 41. a driven gear; 42. a connection part; 5. a first mounting cavity; 51. an input mounting port; 52. reinforcing ribs; 6. a second mounting cavity; 61. a mounting port; 62. a measuring port; 7. a case cover; 71. a through hole; 72. an input cover; 8. a slewing bearing; 9. and (5) installing a cover.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 second" or "a first" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Furthermore, the term "comprising" is 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 limited to only those steps or elements but may, optionally, include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 5, an embodiment of the reduction gearbox of the present utility model comprises a body 1, and further comprises:
the first installation cavity 5 is arranged at one end of the body 1.
The second installation cavity 6 is arranged at the other end of the body 1 and comprises an installation opening 61 and an installation cover 9 matched with the installation opening 61. The mounting opening 61 is arc-shaped, the area of the mounting opening is smaller than the sectional area of the second mounting cavity 6, and the mounting cover 9 is movably connected with the mounting opening 61.
And the input assembly is arranged in the first mounting cavity 5.
The transmission assembly comprises an input end and an output end. The input end is arranged in the first mounting cavity 5 and is meshed with the input assembly. The output end is arranged in the second installation cavity 6.
And at least one part of the output assembly is arranged in the second mounting cavity 6 and meshed with the output end.
Wherein, people's upward facing reducing gear box includes body 1, and the top of body 1 is equipped with first installation cavity 5, and bottom one side is equipped with second installation cavity 6, and the top side of first installation cavity 5 is equipped with input mounting mouth 51, and the outside of second installation cavity 6 is equipped with mounting mouth 61.
The input assembly, the transmission assembly and the output assembly are arranged in the body 1.
At least a portion of the input assembly is disposed within the first mounting cavity 5. The input assembly comprises an input shaft 2, a driving gear 21 connected to the input shaft 2. The drive gear 21 meshes with the input of the transmission assembly. The driving gear 21 is located in the first mounting cavity 5.
The input end of the transmission assembly is arranged in the first installation cavity 5, the output end of the transmission assembly is arranged in the second installation cavity 6, and the transmission assembly is used for transmission. The transmission assembly comprises a transmission shaft 3, a first transmission gear 31 and a second transmission gear 32, wherein the two ends of the transmission shaft 3 are respectively positioned in the first installation cavity 5 and the second installation cavity 6, the first transmission gear 31 is arranged in the first installation cavity 5 and connected with the transmission shaft 3, and the second transmission gear 32 is arranged in the second installation cavity 6 and connected with the transmission shaft 3. The first transfer gear 31 is engaged with the input assembly and the second transfer gear 32 is engaged with the output assembly.
At least a portion of the output assembly is disposed within the second mounting cavity 6. The output assembly comprises an output shaft 4, a driven gear 41 connected to the output shaft 4. The driven gear 41 meshes with the output of the drive assembly.
The output assembly further comprises a connecting part 42, wherein the connecting part 42 is connected with the output shaft 4 and extends out of the second mounting cavity 6. The connecting part 42 is used for connecting with the travelling wheels.
The mounting opening 61 of the second mounting cavity 6 is arcuate, preferably semi-circular, and the area of the mounting opening 61 is smaller than the cross-sectional area of the second mounting cavity 6. Because the mounting opening 61 is semicircular, compared with the existing full-circular structure, the area is reduced, so that the required oil sealing area is smaller, the sealing effect is more reliable, the risk of oil leakage is reduced, and the rigidity of the body 1 is improved.
The center axis of the mounting hole 61 is arranged at an included angle with the center axis of the transmission assembly. Due to the arrangement of the included angle, the surface of the mounting opening 61 and the driving shaft 3 are arranged at an included angle, i.e. inclined relative to the horizontal plane, under the condition of reducing the size of the mounting opening 61, so that the second driving gear 32 and the driven gear 41 are convenient to assemble and disassemble. Preferably, the angle between the circular spindle of the mounting opening 61 and the transmission shaft 3 is 80 °. The angle between the circular spindle of the mounting hole 61 and the drive shaft 3 is β, and β=80° as shown with reference to fig. 1. In this case, the second installation chamber 6 has a high utilization ratio, and the second transmission gear 32 and the driven gear 41 can be attached to and detached from each other through the installation opening 61 without setting the second installation chamber 6 to be deep enough.
Preferably, the straight edge of the mounting opening 61 faces upward. To meet the mounting requirements of the second transmission gear 32 and the driven gear 41. The driven gear 41 faces the mounting opening 61, and the second transmission gear 32 is diagonally opposite to the mounting opening 61.
Preferably, the mounting opening 61 is further provided with an arc-shaped measuring opening 62, the measuring opening 62 is arranged on the straight side of the mounting opening 61, and the measuring opening 62 is arranged at the center point of the straight side of the mounting opening 61. The diameter of the measuring port 62 is smaller than the straight edge of the mounting port 61. The mounting cover 9 is matched with the mounting opening 61 and the measuring opening 62, and the mounting cover 9 is movably connected with the mounting opening 61 and the measuring opening 62. The measuring port 62 is provided on the straight side of the mounting port 61. After the second transmission gear 32 and the driven gear 41 are mounted, the measuring instrument is inserted into the second mounting chamber 6 through the measuring port 62 to measure the mounting accuracy. The measuring port 62 is arc-shaped, such as a semicircle, and the diameter of the measuring port 62 is smaller than that of the mounting port 61, such as that of the measuring port 62 is one fourth of that of the mounting port 61, thus not only ensuring the measuring work, but also avoiding the excessive increase of the size of the mounting port 61 and ensuring the oil seal, sealing and rigidity requirements.
Preferably, the central axes of the input assembly, the transmission assembly and the output assembly are located on the same plane, i.e. the input shaft 2, the transmission shaft 3 and the output shaft 4 are coplanar. The output shaft 4 is perpendicular to the transmission shaft 3, and the input shaft 2 and the transmission shaft 3 are parallel. In use, the input shaft 2 and the transmission shaft 3 are arranged in the vertical direction, and the input shaft 2 and the output shaft 4 are positioned on the same side of the transmission shaft 3. The transmission shaft 3 and the output shaft 4 are located on the same side of the mounting port 61.
The first installation cavity 5 is an open cavity, a reinforcing rib 52 is arranged in the first installation cavity 5, the reinforcing rib 52 is used for improving rigidity outside the input installation opening 51, and the input installation opening 51 is used for conducting the first installation cavity 5 with the outside. The first installation cavity 5 is used as an open cavity, which is beneficial to the overall heat dissipation of the device. The body 1 is provided with a box cover 7 outside the input mounting opening 51, the box cover 7 is provided with a through hole 71 for the input shaft 2 to pass through, the outside of the through hole 71 is also provided with an input cover 72, and a slewing bearing 8 is clamped between the input cover 72 and the box cover 7. Wherein the cover 7 is connected to the body 1 by bolts. The mounting cover 9 is connected to the body 1 by bolts. The input cover 72 is bolted to the cover 7. The pivoting support 8 is clamped to the cover 7 by means of the inlet cover 72.
When the transmission device is used, the driving gear 21 and the first transmission gear 31 are meshed to form first-stage cylindrical helical gear transmission, the input shaft 2 is a driving part and is connected with a whole vehicle driving motor of a human-powered forklift, and the first transmission gear 31 is a driven part. The second transmission gear 32 and the driven gear 41 (bevel gear) are meshed to form second-stage spiral bevel gear transmission, the second transmission gear 32 is a driving member, and the driven gear 41 is a driven member. The driven gear 41 is spline-coupled with the output shaft 4 in the circumferential direction. The connecting portion 42 connects the road wheels for outputting torque. When the whole vehicle driving motor is connected with the reduction gearbox, the axis of the output shaft 4 is in the horizontal direction, when the whole vehicle driving motor works, the whole vehicle driving motor is connected with the input shaft 2 through a spline, power and motion are transmitted to the connecting part 42 through the input shaft 2, the driving gear 21, the first transmission gear 31, the transmission shaft 3, the second transmission gear 32 and the driven gear 41, and the connecting part 42 drives the travelling wheels to rotate forwards or backwards, so that the whole vehicle can move forwards or backwards.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the reduction gearbox, the mounting opening is arched, so that the required oil sealing area is smaller, the sealing effect is more reliable, the risk of oil leakage is reduced, and the rigidity of the gearbox body is improved compared with the existing full-circular structure. The round mandrel of the mounting opening is arranged at an included angle with the transmission shaft, that is, under the condition of reducing the size of the mounting opening, the surface where the mounting opening is arranged at an included angle with the transmission shaft, that is, the installation is inclined relative to the horizontal plane, so that the second transmission gear and the driven gear are convenient to assemble and disassemble. The ascending reduction gearbox has small oil sealing area, good sealing effect and high rigidity.
The utility model relates to a human uplink speed reduction box, wherein the straight edge of a mounting opening faces upwards. The installation requirements of the second transmission gear and the driven gear are met.
After the second transmission gear and the driven gear are installed, the measuring instrument is stretched into the second installation cavity through the measuring port to measure the installation precision. The measuring port is arc-shaped, such as semicircular, and the diameter of the measuring port is smaller than that of the mounting port, such as the diameter of the measuring port is one fourth of that of the mounting port, so that the measuring work is ensured, the size of the mounting port is prevented from being excessively increased, and the oil seal, sealing and rigidity requirements are ensured.
The first installation cavity is an open cavity, so that the heat dissipation efficiency of the adding equipment is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A reduction gearbox, includes the body, its characterized in that includes:
the first installation cavity is arranged at one end of the body;
the second installation cavity is arranged at the other end of the body and comprises an installation opening and an installation cover matched with the installation opening; the mounting opening is arched, the area of the mounting opening is smaller than the sectional area of the second mounting cavity, and the mounting cover is movably connected with the mounting opening;
the input assembly is arranged in the first mounting cavity;
the transmission assembly comprises an input end and an output end; the input end is arranged in the first mounting cavity and meshed with the input assembly; the output end is arranged in the second mounting cavity;
and at least one part of the output assembly is arranged in the second mounting cavity and meshed with the output end.
2. A reduction gearbox according to claim 1, further comprising an arcuate measuring port provided on a straight side of the mounting port.
3. A reduction gearbox according to claim 2, wherein the diameter of the measuring port is smaller than the straight edge of the mounting port.
4. A reduction gearbox according to claim 2, wherein the mounting cover is engaged with the mounting opening and the measuring opening, and the mounting cover is movably connected with the mounting opening and the measuring opening.
5. A reduction gearbox according to claim 1, wherein the input assembly comprises an input shaft, a drive gear coupled to the input shaft; the drive gear is engaged with the input end of the transmission assembly.
6. A reduction gearbox according to claim 1, wherein said output assembly comprises an output shaft, a driven gear connected to said output shaft; the driven gear is meshed with the output end of the transmission assembly.
7. The reduction gearbox of claim 6, wherein the output assembly further includes a connection portion connected to the output shaft and extending from the second mounting cavity.
8. The reduction gearbox according to claim 1, wherein the transmission assembly comprises a transmission shaft with two ends respectively positioned in the first installation cavity and the second installation cavity, a first transmission gear arranged in the first installation cavity and connected with the transmission shaft, and a second transmission gear arranged in the second installation cavity and connected with the transmission shaft; the first transfer gear is engaged with the input assembly and the second transfer gear is engaged with the output assembly.
9. A reduction gearbox according to claim 1, wherein the central axes of the input assembly, the transmission assembly and the output assembly are in the same plane.
10. A reduction gearbox according to claim 1, wherein the centre axis of the mounting opening is arranged at an angle to the centre axis of the transmission assembly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274170 | 2022-05-24 | ||
| CN2022212741705 | 2022-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248866U true CN220248866U (en) | 2023-12-26 |
Family
ID=89266986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321054807.4U Active CN220248866U (en) | 2022-05-24 | 2023-05-05 | Reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248866U (en) |
-
2023
- 2023-05-05 CN CN202321054807.4U patent/CN220248866U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |