CN103185124A - Speed reducer and box body thereof - Google Patents
Speed reducer and box body thereof Download PDFInfo
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- CN103185124A CN103185124A CN2011104591064A CN201110459106A CN103185124A CN 103185124 A CN103185124 A CN 103185124A CN 2011104591064 A CN2011104591064 A CN 2011104591064A CN 201110459106 A CN201110459106 A CN 201110459106A CN 103185124 A CN103185124 A CN 103185124A
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- bearing support
- casing
- bearing
- widen
- widening
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Abstract
The invention discloses a speed reducer and a box body thereof. The box body is provided with bearing pedestals. The key point is that at least one of the bearing pedestals is a bearing pedestal to be widened and a widened bearing pedestal extending into the box body along the bearing pedestal to be widened is arranged on the box body. According to the speed reducer and the box body thereof, the widened bearing pedestal extending into the box body is arranged on the box body, so that the bearing span of a shaft arranged on the widened bearing pedestal is shortened, thereby effectively improving the strength and the stability of the shaft in the running process.
Description
Technical field
The present invention relates to the mechanical transmission technical field, particularly a kind of speed reducer and casing thereof.
Background technique
Speed reducer plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, use very extensive in modern mechanical.Speed reducer is enclosed transmission device independently, is used for reducing rotating speed and increases torque, satisfying need of work, also is used for speedup in some occasion, is called speed increaser.
At present, the rising or falling speed of erecting equipment is all slow, so the speed ratio of corresponding speed reducer is all bigger, is generally the multi-stage speed-reducing machine.The transmission progression of speed reducer is more many, and the diameter of axle of preceding what transmission shaft is just more thin, and under the identical situation of bearing span, the diameter of axle is more thin, and the intensity of the gear end of engagement of axle is low, and the intensity of whole axle and operation stability are just more poor.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of speed reducer of the prior art.
The one-level transmission shaft 11 that the diameter of axle is thinner among the figure is compared with afterbody transmission shaft 13 with secondary drive shaft 12, bearing span is basic identical, cause one-level transmission shaft 11 and secondary drive shaft 12 to present the situation of " slender axles ", intensity and the operation stability of whole axle are relatively poor.
Therefore, how shortening bearing span, improve intensity and the stability of axle in running, is the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of speed reducer and casing thereof, shortened bearing span, improved intensity and the stability of axle in running.
For achieving the above object, the invention provides following technological scheme:
The invention provides a kind of casing, have bearing support, described bearing support has at least one to be bearing support to be widened, and described casing is provided with along described and waits to widen bearing support to the bearing support of widening of described box house extension.
Preferably, comprise upper box and lower box, described upper box be provided with half hole structure on widen bearing support, the relevant position of described lower box is provided with the following bearing support of widening of half hole structure, widen on described bearing support and described under widen bearing support and form the described bearing support of widening.
Preferably, widen upper bearing bracket structure on bearing support and the described upper box on described by being weldingly connected;
Describedly widen down step structure on bearing support and the described lower box by being weldingly connected;
Described upper bearing bracket structure and described step structure form bearing support described to be widened.
Preferably, widen on described bearing support and described under widen bearing support and be semi-loop.
Preferably, the internal diameter of widening bearing support on described is identical with the aperture of described upper bearing bracket structure;
The internal diameter of widening bearing support under described is identical with the aperture of described step structure.
Preferably, widen the outer ring diameter of bearing support less than the outward edge diameter of described upper bearing bracket structure on described; Widen the outer ring diameter of bearing support less than the outward edge diameter of described step structure under described.
Preferably, widen bearing support under described and be provided with spill port.
The present invention also provides a kind of speed reducer, comprises axle, bearing and casing, described axle by bearings on the bearing support of described casing, the casing that described casing provides for such scheme.
From above-mentioned technological scheme as can be seen, speed reducer provided by the invention and casing thereof, by the bearing support of widening to the box house extension is set at casing, shortened being arranged at the bearing span of widening the axle on the bearing support, thereby effectively raised intensity and the stability of axle in running.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of speed reducer of the prior art;
The structural representation of the speed reducer that Fig. 2 provides for the embodiment of the invention;
The structural representation of the upper box of the speed reducer that Fig. 3 provides for the embodiment of the invention;
The structural representation of the lower box of the speed reducer that Fig. 4 provides for the embodiment of the invention.
Embodiment
The invention provides a kind of speed reducer and casing thereof, shortened bearing span, improved intensity and the stability of axle in running.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
Please refer to Fig. 2～Fig. 4, the structural representation of the speed reducer that Fig. 2 provides for the embodiment of the invention; The structural representation of the upper box of the speed reducer that Fig. 3 provides for the embodiment of the invention; The structural representation of the lower box of the speed reducer that Fig. 4 provides for the embodiment of the invention
In specific embodiment, casing provided by the invention has bearing support, of the present invention focusing on, and bearing support has at least one to be bearing support to be widened, and casing is provided with along waiting to widen bearing support to the bearing support of widening of box house extension.
Casing provided by the invention being arranged at the bearing span of widening the axle on the bearing support by the bearing support of widening to the box house extension being set at casing, having shortened, thereby effectively raising intensity and the stability of axle in running.
In the present embodiment, casing comprises upper box 21 and lower box 22, upper box 21 be provided with half hole structure on widen bearing support 23, the relevant position of lower box 22 is provided with the following bearing support 24 of widening of half hole structure, on widen bearing support 23 and widen bearing support 24 formation down and widen bearing support.
Also can be set to overall structure by casing, widen bearing support and have whole circular hole, be connected the effect of shortening bearing span that reached with the bearing support to be widened of casing relevant position by widening bearing support.
Connect for convenience, widen upper bearing bracket structure on bearing support 23 and the upper box 21 in the present embodiment by being weldingly connected; Widen step structure on bearing support 24 and the lower box 22 down by being weldingly connected; Make upper bearing bracket structure and step structure form bearing support to be widened by upper box 21 being covered at lower box 22.Also can with on widen bearing support 23 and be connected by bolt with upper bearing bracket structure on the upper box 21; Be connected by bolt with step structure on the lower box 22 widening bearing support 24 down; Upper bearing bracket structure and step structure form bearing support to be widened.
In the present embodiment, widen on bearing support 23 and under widen bearing support 24 and be semi-loop.This structure is economical with materials effectively, avoids unnecessary waste.Also can with on widen bearing support 23 or under widen bearing support 24 and be set to rectangular structure, in half hole that the respective face of rectangular structure is provided for setting up bearing, concrete structure is not done restriction.
In the present embodiment, reach be connected effect with the inwall that bearing support 24 is widened in welding down with the contact edge of the hole wall of step structure with the contact edge of the hole wall of upper bearing bracket structure by the inwall of widening bearing support 23 in the welding.In order to improve weld strength, the internal diameter of widening bearing support 23 in the present embodiment is identical with the aperture of upper bearing bracket structure; The internal diameter of widening bearing support 24 down is identical with the aperture of step structure.
In order further to save material, widen the outer ring diameter of bearing support 23 less than the outward edge diameter of upper bearing bracket structure in the present embodiment; Widen the outer ring diameter of bearing support 24 down less than the outward edge diameter of step structure.
In the present embodiment, widening bearing support 24 is provided with spill port 25 down.By spill port 25 is set, make the lubricant oil of bearing part can flow back to box house more easily.
The present invention also provides a kind of speed reducer, comprises axle, bearing and casing, axle by bearings on the bearing support of casing, the casing that casing provides for above-described embodiment.Preceding what diameter of axle is thinner axle for supporting with the bearing support of widening on the casing, thereby shorten the bearing span that is arranged at the axle that the diameter of axle is thinner on the speed reducer, effectively avoid the appearance of " slender axles " when making the deceleration function reach multistage transmission, thereby improved intensity and the stability of axle in running that the diameter of axle is thinner in the speed reducer.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a casing has bearing support, it is characterized in that, described bearing support has at least one to be bearing support to be widened, and described casing is provided with along described and waits to widen bearing support to the bearing support of widening of described box house extension.
2. casing as claimed in claim 1, it is characterized in that, comprise upper box (21) and lower box (22), described upper box (21) be provided with half hole structure on widen bearing support (23), the relevant position of described lower box (22) is provided with the following bearing support (24) of widening of half hole structure, widen on described bearing support (23) and described under widen bearing support (24) and form the described bearing support of widening.
3. casing as claimed in claim 2 is characterized in that, widens upper bearing bracket structure on bearing support (23) and the described upper box (21) on described by being weldingly connected;
Describedly widen down step structure on bearing support (24) and the described lower box (22) by being weldingly connected;
Described upper bearing bracket structure and described step structure form bearing support described to be widened.
4. casing as claimed in claim 3 is characterized in that, widen on described bearing support (23) and described under widen bearing support (24) and be semi-loop.
5. casing as claimed in claim 4 is characterized in that, the internal diameter of widening bearing support (23) on described is identical with the aperture of described upper bearing bracket structure;
The internal diameter of widening bearing support (24) under described is identical with the aperture of described step structure.
6. casing as claimed in claim 5 is characterized in that, widens the outer ring diameter of bearing support (23) less than the outward edge diameter of described upper bearing bracket structure on described; Widen the outer ring diameter of bearing support (24) less than the outward edge diameter of described step structure under described.
7. casing as claimed in claim 3 is characterized in that, widens bearing support (24) under described to be provided with spill port (25).
8. a speed reducer comprises axle, bearing and casing, and described axle on the bearing support of described casing, is characterized in that described casing is as each described casing of claim 1-7 by bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459106.4A CN103185124B (en) | 2011-12-31 | 2011-12-31 | A kind of step-down gear and casing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459106.4A CN103185124B (en) | 2011-12-31 | 2011-12-31 | A kind of step-down gear and casing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185124A true CN103185124A (en) | 2013-07-03 |
| CN103185124B CN103185124B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110459106.4A Active CN103185124B (en) | 2011-12-31 | 2011-12-31 | A kind of step-down gear and casing thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103185124B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409714A (en) * | 1981-08-20 | 1983-10-18 | General Electric Company | Methods of assembling a wick and bearing |
| JPS5923136A (en) * | 1982-07-28 | 1984-02-06 | Showa Mfg Co Ltd | Reservoir construction for double tube hydraulic shock absorber |
| CN2169737Y (en) * | 1993-09-29 | 1994-06-22 | 武汉通用机械厂 | Worm axial force oil-pad balace device |
| CN2412130Y (en) * | 2000-03-03 | 2000-12-27 | 陈文军 | Verticle axle reduction case |
| CN200961679Y (en) * | 2006-10-30 | 2007-10-17 | 重庆齿轮箱有限责任公司 | Single-edge double-transmission speed reducer |
| JP2009092036A (en) * | 2007-10-11 | 2009-04-30 | Honda Motor Co Ltd | Stroke variable engine |
| CN201851598U (en) * | 2010-11-17 | 2011-06-01 | 湘潭电气设备制造有限责任公司 | High speed ratio gear speed reducer for industrial mining electric locomotive |
| CN202280820U (en) * | 2011-09-14 | 2012-06-20 | 天津市祥威传动设备有限公司 | Speed reducer with novel input installation structure |
| CN202418507U (en) * | 2011-12-31 | 2012-09-05 | 沃德(天津)传动有限公司 | Speed reducer and box body thereof |
-
2011
- 2011-12-31 CN CN201110459106.4A patent/CN103185124B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409714A (en) * | 1981-08-20 | 1983-10-18 | General Electric Company | Methods of assembling a wick and bearing |
| JPS5923136A (en) * | 1982-07-28 | 1984-02-06 | Showa Mfg Co Ltd | Reservoir construction for double tube hydraulic shock absorber |
| CN2169737Y (en) * | 1993-09-29 | 1994-06-22 | 武汉通用机械厂 | Worm axial force oil-pad balace device |
| CN2412130Y (en) * | 2000-03-03 | 2000-12-27 | 陈文军 | Verticle axle reduction case |
| CN200961679Y (en) * | 2006-10-30 | 2007-10-17 | 重庆齿轮箱有限责任公司 | Single-edge double-transmission speed reducer |
| JP2009092036A (en) * | 2007-10-11 | 2009-04-30 | Honda Motor Co Ltd | Stroke variable engine |
| CN201851598U (en) * | 2010-11-17 | 2011-06-01 | 湘潭电气设备制造有限责任公司 | High speed ratio gear speed reducer for industrial mining electric locomotive |
| CN202280820U (en) * | 2011-09-14 | 2012-06-20 | 天津市祥威传动设备有限公司 | Speed reducer with novel input installation structure |
| CN202418507U (en) * | 2011-12-31 | 2012-09-05 | 沃德(天津)传动有限公司 | Speed reducer and box body thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王慧，吕宏: "《机械设计课程设计》", 1 May 2011, 北京大学出版社 * |
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| Publication number | Publication date |
|---|---|
| CN103185124B (en) | 2016-06-08 |
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