CN202418507U - Speed reducer and box body thereof - Google Patents
Speed reducer and box body thereof Download PDFInfo
- Publication number
- CN202418507U CN202418507U CN2011205731753U CN201120573175U CN202418507U CN 202418507 U CN202418507 U CN 202418507U CN 2011205731753 U CN2011205731753 U CN 2011205731753U CN 201120573175 U CN201120573175 U CN 201120573175U CN 202418507 U CN202418507 U CN 202418507U
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- Prior art keywords
- bearing support
- casing
- widen
- bearing
- widening
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Abstract
The utility model discloses a speed reducer and a box body thereof. The box body is provided with bearing seats. The utility model is characterized in that at least one of the bearing seats is a bearing seat to be widened, and the box body is provided with a widened bearing seat extending into the box body along the bearing seat to be widened. According to the speed reducer and the box body thereof provided by the utility model, the widened bearing seat extending into the box body is arranged on the box body to shorten the bearing span of a shaft arranged on the widened bearing seat, so that the strength and the stability of the shaft in an operation process are effectively improved.
Description
Technical field
The utility model 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 the modern machine.Speed reducer is an 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 many more, and the diameter of axle of preceding what transmission shaft is just thin more, and under the identical situation of bearing span, the diameter of axle is thin more, and the intensity of the gear engagement end of axle is low, and the intensity of whole axle and operation stability are just poor more.
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 ", the intensity and the operation stability of whole axle are relatively poor.
Therefore, how shortening bearing span, improve the intensity and the stability of axle in running, is the technical problem that those skilled in the art need to be resolved hurrily.
The model utility content
In view of this, the utility model provides a kind of speed reducer and casing thereof, has shortened bearing span, has improved the intensity and the stability of axle in running.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
The utility model provides a kind of casing, has bearing support, and said bearing support has at least one to be bearing support to be widened, and said casing is provided with along said and waits to widen bearing support and widen bearing support to what said box house extended.
Preferably; Comprise upper box and lower box; Said upper box be provided with half hole structure on widen bearing support, the relevant position of said lower box is provided with the following bearing support of widening of half hole structure, widen on said bearing support and said under widen bearing support and form the said bearing support of widening.
Preferably, widen upper bearing bracket structure on bearing support and the said upper box on said through being weldingly connected;
Saidly widen down step structure on bearing support and the said lower box through being weldingly connected;
Said upper bearing bracket structure and said step structure form bearing support said to be widened.
Preferably, widen on said bearing support and said under widen bearing support and be semi-loop.
Preferably, the internal diameter of widening bearing support on said is identical with the aperture of said upper bearing bracket structure;
The internal diameter of widening bearing support under said is identical with the aperture of said step structure.
Preferably, widen the outward edge diameter of the outer ring diameter of bearing support on said less than said upper bearing bracket structure; The said outward edge diameter of the outer ring diameter of bearing support of widening down less than said step structure.
Preferably, widen bearing support under said and be provided with spill port.
The utility model also provides a kind of speed reducer, comprises axle, bearing and casing, and on the bearing support of said casing, said casing is the casing that such scheme provides to said axle through bearings.
Can find out from above-mentioned technological scheme; Speed reducer that the utility model provides and casing thereof; Through the bearing support of widening to the box house extension is set on 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 utility model embodiment 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; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, 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 utility model embodiment;
The structural representation of the upper box of the speed reducer that Fig. 3 provides for the utility model embodiment;
The structural representation of the lower box of the speed reducer that Fig. 4 provides for the utility model embodiment.
Embodiment
The utility model provides a kind of speed reducer and casing thereof, has shortened bearing span, has improved intensity and the stability of axle in running.
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 2～Fig. 4, the structural representation of the speed reducer that Fig. 2 provides for the utility model embodiment; The structural representation of the upper box of the speed reducer that Fig. 3 provides for the utility model embodiment; The structural representation of the lower box of the speed reducer that Fig. 4 provides for the utility model embodiment
In specific embodiment, the casing that the utility model provides has bearing support, the focusing on of the utility model, 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 widens bearing support to what box house extended.
The casing that the utility model provides being arranged at the bearing span of widening the axle on the bearing support through the bearing support of widening to the box house extension being set, having shortened, thereby effectively raising intensity and the stability of axle in running on casing.
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 through widening bearing support.
Connect for ease, widen upper bearing bracket structure on bearing support 23 and the upper box 21 in the present embodiment through being weldingly connected; Widen step structure on bearing support 24 and the lower box 22 down through being weldingly connected; Through being covered, upper box 21 on lower box 22, make upper bearing bracket structure and step structure form bearing support to be widened.Also can with on widen bearing support 23 and be connected through bolt with upper bearing bracket structure on the upper box 21; Be connected through 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 with 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, on the respective face of rectangular structure, be provided for setting up half hole of bearing, concrete structure is not done qualification.
In the present embodiment, the contact edge of the inwall through widening bearing support 23 in the welding and the hole wall of upper bearing bracket structure and the welding contact edge of hole wall that descends to widen inwall and the step structure of bearing support 24 reaches interconnect function.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 outward edge diameter of the outer ring diameter of bearing support 23 in the present embodiment less than the upper bearing bracket structure; Widen the outward edge diameter of the outer ring diameter of bearing support 24 down less than the step structure.
In the present embodiment, widening bearing support 24 is provided with spill port 25 down.Through spill port 25 is set, make the lubricant oil of bearing part can flow back to box house more easily.
The utility model also provides a kind of speed reducer, comprises axle, bearing and casing, and on the bearing support of casing, casing is the casing that the foregoing description provides to axle through bearings.What diameter of axle is thinner axle with before the widening bearing support and be used to support 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 all 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 utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a casing has bearing support, it is characterized in that, said bearing support has at least one to be bearing support to be widened, and said casing is provided with along said and waits to widen bearing support and widen bearing support to what said box house extended.
2. casing as claimed in claim 1; It is characterized in that; Comprise upper box (21) and lower box (22); Said upper box (21) be provided with half hole structure on widen bearing support (23), the relevant position of said lower box (22) is provided with the following bearing support (24) of widening of half hole structure, widen on said bearing support (23) and said under widen bearing support (24) and form the said 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 said upper box (21) on said through being weldingly connected;
Saidly widen down step structure on bearing support (24) and the said lower box (22) through being weldingly connected;
Said upper bearing bracket structure and said step structure form bearing support said to be widened.
4. casing as claimed in claim 3 is characterized in that, widen on said bearing support (23) and said 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 said is identical with the aperture of said upper bearing bracket structure;
The internal diameter of widening bearing support (24) under said is identical with the aperture of said step structure.
6. casing as claimed in claim 5 is characterized in that, widens the outward edge diameter of the outer ring diameter of bearing support (23) less than said upper bearing bracket structure on said; The said outward edge diameter of the outer ring diameter of bearing support (24) of widening down less than said step structure.
7. casing as claimed in claim 3 is characterized in that, widens bearing support (24) under said to be provided with spill port (25).
8. a speed reducer comprises axle, bearing and casing, and said axle on the bearing support of said casing, is characterized in that said casing is like each described casing of claim 1-7 through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205731753U CN202418507U (en) | 2011-12-31 | 2011-12-31 | Speed reducer and box body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205731753U CN202418507U (en) | 2011-12-31 | 2011-12-31 | Speed reducer and box body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418507U true CN202418507U (en) | 2012-09-05 |
Family
ID=46743277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205731753U Withdrawn - After Issue CN202418507U (en) | 2011-12-31 | 2011-12-31 | Speed reducer and box body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185124A (en) * | 2011-12-31 | 2013-07-03 | 沃德(天津)传动有限公司 | Speed reducer and box body thereof |
-
2011
- 2011-12-31 CN CN2011205731753U patent/CN202418507U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185124A (en) * | 2011-12-31 | 2013-07-03 | 沃德(天津)传动有限公司 | Speed reducer and box body thereof |
| CN103185124B (en) * | 2011-12-31 | 2016-06-08 | 沃德(天津)传动有限公司 | A kind of step-down gear and casing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WORLD TRANSMISSION TECHNOLOGY (TIANJIN) CO., LTD. Free format text: FORMER NAME: WODE (TIANJIN) TRANSMISSION CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 300409, 82, hi tech Avenue, Beichen Science Park, Tianjin Patentee after: Ward drive (Tianjin) Limited by Share Ltd Patentee after: China International Water & Electric Corp. Address before: 300409, 82, hi tech Avenue, Beichen Science Park, Tianjin Patentee before: World Transmission Technology (Tianjin) Co., Ltd. Patentee before: China International Water & Electric Corp. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |