CN205026055U - Bevel gear hard tooth -face speed reducer - Google Patents
Bevel gear hard tooth -face speed reducer Download PDFInfo
- Publication number
- CN205026055U CN205026055U CN201520611935.3U CN201520611935U CN205026055U CN 205026055 U CN205026055 U CN 205026055U CN 201520611935 U CN201520611935 U CN 201520611935U CN 205026055 U CN205026055 U CN 205026055U
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- CN
- China
- Prior art keywords
- input
- mounting hole
- axle bed
- axis
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a bevel gear hard tooth -face speed reducer, the power distribution box comprises a box body, the box includes the box body, be equipped with the connecting hole on one side lateral wall of box body, this internal axle bed that is equipped with of box, the axle bed is close to connecting hole place side sets up, just be equipped with in the axle bed axis with the parallel mounting hole of connecting hole axis, the connecting hole is close to one side of axle bed is equipped with the opening, is being on a parallel with on the view of mounting hole axis, the centre bit of mounting hole in in the opening, and the lateral wall distance of opening the minimum distance of mounting hole axis is greater than boring bar's radius, install the input module on the connecting hole, the input module includes that input flange and suit are in input shaft in the input flange, input flange's both ends with be equipped with input end bearing between the input shaft respectively, the gear shaft has been installed to the mounting hole endotheca, the gear shaft with be equipped with intermeshing's gear wheel and pinion between the input shaft respectively.
Description
Technical field
The utility model belongs to transmission art field, is specifically related to a kind of umbrella gear hard-tooth surface speed reducer.
Background technique
As shown in Figure 1, be the structural representation of existing a kind of umbrella gear hard-tooth surface speed reducer casing.This umbrella gear hard-tooth surface speed reducer casing comprises box-like body, the side of described box-like body is provided with the attachment hole for installing input assembly, the axle bed for installing gear shaft is provided with in box-like body, described axle bed offers axis parallel with described mounting hole and for the mounting hole of set gear axle, and axle bed is arranged near the sidewall of the box-like body of side, attachment hole place.In prior art, in order to processing mounting holes, the opposite side sidewall needing to be that attachment hole is relative offers machining hole, and boring bar gos deep into processing mounting holes in box-like body in this machining hole, as shown in Figure 2.
Although existing mounting hole processing mode can meet usage requirement to a certain extent; but; due to axle bed distance side, machining hole place distant; boring bar stretches out long; often there will be vibrations in Boring process; and then the size of causing hole and circularity over tolerance are serious, reject rate is higher and work efficiency is low.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of umbrella gear hard-tooth surface speed reducer, effectively can improve machining accuracy and the work efficiency of mounting hole.
For achieving the above object, the utility model provides following technological scheme:
A kind of umbrella gear hard-tooth surface speed reducer, comprise casing, described casing comprises box-like body, the side sidewall of described box-like body is provided with attachment hole, axle bed is provided with in described box-like body, described axle bed is arranged near side, described attachment hole place, and is provided with the mounting hole of axis and described attachment hole axis being parallel in described axle bed; Described attachment hole is provided with gap near the side of described axle bed, on the view being parallel to described mounting hole axis, being centrally located in described gap of described mounting hole, and the sidewall of described gap is greater than the radius of boring bar apart from the minimum range of described mounting hole axis;
Described attachment hole is provided with input assembly, described input assembly comprises input flange and is sleeved on the input shaft in described input flange, input end bearing is respectively equipped with between the two ends of described input flange and described input shaft, described mounting hole inner sleeve is equiped with gear shaft, is respectively equipped with intermeshing gearwheel and small gear between described gear shaft and described input shaft.
The beneficial effects of the utility model are:
Umbrella gear hard-tooth surface speed reducer of the present utility model, by arranging gap on attachment hole, and the minimum range of gap distance mounting hole axis is set to the radius being more than or equal to boring bar, so, when processing mounting holes, boring cutter can stretch into from connection hole, make the extrusion of boring bar shorter, add the vibrations produced man-hour less, the precision of namely processing the mounting hole obtained is higher, and work efficiency is also higher.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of existing a kind of umbrella gear hard-tooth surface speed reducer casing;
The structural representation of boring cutter feed when Fig. 2 is the mounting hole in machining bevel gears hard-tooth surface speed reducer casing;
Fig. 3 is the structural representation of the utility model umbrella gear hard-tooth surface speed reducer embodiment;
Fig. 4 is the structural representation of the casing of the present embodiment;
The structural representation of boring cutter feed when Fig. 5 is processing the present embodiment casing mounting hole;
Fig. 6 is the structural representation of input assembly.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 3, be the structural representation of the utility model umbrella gear hard-tooth surface speed reducer embodiment.The umbrella gear hard-tooth surface speed reducer of the present embodiment, comprise casing 1, casing 1 comprises box-like body 2, the side sidewall of box-like body is provided with attachment hole 3, axle bed 4 is provided with in box-like body 2, axle bed 4 is arranged near side, attachment hole 3 place, and is provided with the mounting hole 5 of axis and attachment hole 3 axis being parallel in axle bed 4.Attachment hole 3 is provided with gap 6 near the side of axle bed 4, on the view being parallel to mounting hole 5 axis, and being centrally located in gap 6 of mounting hole 5, and the minimum range of the sidewall of gap 6 distance mounting hole 5 axis is greater than the radius of boring bar 7.Attachment hole 3 is provided with input assembly, the input shaft 9 that input assembly comprises input flange 8 and is sleeved in input flange 8, input end bearing 10 is respectively equipped with between the two ends of input flange 8 and input shaft 9, mounting hole 5 inner sleeve is equiped with gear shaft 11, is respectively equipped with intermeshing gearwheel 12 and small gear 13 between gear shaft 11 and input shaft 9.
The umbrella gear hard-tooth surface speed reducer of the present embodiment, by arranging gap on attachment hole, and the minimum range of gap distance mounting hole axis is set to the radius being more than or equal to boring bar, so, when processing mounting holes, boring cutter can stretch into from connection hole, make the extrusion of boring bar shorter, add the vibrations produced man-hour less, the precision of namely processing the mounting hole obtained is higher, and work efficiency is also higher.
The input flange 8 of the present embodiment comprises flange body, and the two ends of flange body are respectively equipped with the speed reducer end flange 14 for being connected with attachment hole and the power end flange 15 for being connected with power plant.Input shaft 9 comprises input shaft body, input shaft body comprises output section 16 for being set with small gear 13 and the input section 17 for being connected with the output shaft of power plant, output section 16 is provided with keyway 18, be provided with in input section 17 and connect blind hole 19, connect in blind hole 19 and be provided with keyway or spline, the bottom connecting blind hole 19 is arranged near output section.The flange body of the present embodiment is provided with the screw 20 between two input end bearings 10.
Further, the spacing between speed reducer end flange 14 and power end flange 15 equals the 1-1.5 of input shaft 9 external diameter doubly.Spacing between the speed reducer end flange 14 of the present embodiment and power end flange 15 equals 1.2 times of input shaft 9 external diameter, ensureing under condition easy to connect, effectively can shorten the spacing between speed reducer end flange 14 and power end flange 15, and then shorten the length of input assembly.
Further, central through bore 21 is provided with in flange body, central through bore 21 is provided with towards one end of power plant and extends radially inwardly and baffle ring 22 for coordinating with the outer ring of input end bearing, central through bore 21 is provided with the mounting groove 23 for installing bearing limiting block circle towards one end of speed reducer, input shaft body is provided with the annular protrusion 24 coordinated between two input end bearings 10 and with the inner ring of input end bearing 10.By improving the structure of input flange and input shaft, effectively can improve the mounting type of input end bearing 10, namely having abandoned traditional mode of installing input end bearing from two ends respectively, effectively can shorten the length of input assembly.
Speed reducer end flange and power end flange are set respectively by the two ends at input flange, can be connected with power plant with speed reducer easily, compact structure; By arranging connection blind hole in the input section of input shaft, can be in transmission connection with the input shaft of power plant easily, cut at the bottom of the hole connecting blind hole near output section, effectively can shorten the length of input shaft and shorten the length of input flange, even if receive the effect of radial force at small gear under, the Moment produced input end bearing is also less, effectively can improve the working life of input end bearing, run more steady; In addition, shorten the length of input assembly, foundry goods or steel part cost can also be saved, save the space that client installs power plant.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (1)
1. a umbrella gear hard-tooth surface speed reducer, it is characterized in that: comprise casing, described casing comprises box-like body, the side sidewall of described box-like body is provided with attachment hole, axle bed is provided with in described box-like body, described axle bed is arranged near side, described attachment hole place, and is provided with the mounting hole of axis and described attachment hole axis being parallel in described axle bed; Described attachment hole is provided with gap near the side of described axle bed, on the view being parallel to described mounting hole axis, being centrally located in described gap of described mounting hole, and the sidewall of described gap is greater than the radius of boring bar apart from the minimum range of described mounting hole axis;
Described attachment hole is provided with input assembly, described input assembly comprises input flange and is sleeved on the input shaft in described input flange, input end bearing is respectively equipped with between the two ends of described input flange and described input shaft, described mounting hole inner sleeve is equiped with gear shaft, is respectively equipped with intermeshing gearwheel and small gear between described gear shaft and described input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520611935.3U CN205026055U (en) | 2015-08-14 | 2015-08-14 | Bevel gear hard tooth -face speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520611935.3U CN205026055U (en) | 2015-08-14 | 2015-08-14 | Bevel gear hard tooth -face speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026055U true CN205026055U (en) | 2016-02-10 |
Family
ID=55258589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520611935.3U Expired - Fee Related CN205026055U (en) | 2015-08-14 | 2015-08-14 | Bevel gear hard tooth -face speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026055U (en) |
-
2015
- 2015-08-14 CN CN201520611935.3U patent/CN205026055U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160814 |