The invention relates to an extra-large-power speed reducer for a roller press The speed reducer comprises a box, an input shaft and an output shaft The input shaft and the output shaft are arranged at two ends of the box through bearings in a penetrating mode respectively More than one stage of parallel shaft gear speed reduction mechanism and more than one stage of planet gear speed reduction mechanism are arranged in the box The input shaft is in transmission connection with the output shaft through the more than one stage of parallel shaft gear speed reduction mechanism and the more than one stage of planet gear speed reduction mechanism successively, or the input shaft is movably connected with the output shaft through the more than one stage of planet gear speed reduction mechanism and the more than one stage of parallel shaft gear speed reduction mechanism successively The input shaft and the output shaft are arranged in an eccentric mode According to the speed reducer, axes of input and output are different, the motor assembly is facilitated, the speed ratio is increased, and output torque of the speed reducer is improved The speed reducer is accordant with speed reduction requirements of the extra-large-power roller press, large in bearing capacity and high in transmission capacity

Extra-large-power speed reducer for roller press

The utility model relates to a multi-stage planetary reducer for a ball mill The multi-stage planetary reducer comprises a case, an input gear shaft, a driven shaft and a driven gear and the driven gear matched with the input gear shaft is fixedly arranged on the driven shaft The multi-stage planetary reducer is characterized by further comprising a middle planetary gear train and an output planetary gear train; the case includes a front part of the case, a middle part of the case and the back part of the case, and the input gear shaft and the driven shaft are arranged in the front part of the case; one end of the driven shaft is provided with an inner gear sleeve which is used for driving a middle sun wheel of the middle planetary gear train, and further driving an output sun wheel of the output planetary gear train from a middle planetary carrier of the middle planetary gear train; the input gear shaft and the driven gear are of herringbone gears; one end of the input gear shaft penetrates through the front part of the case, an output planetary carrier of the output planetary gear train penetrates through the back part of the case, and an output flange is arranged at the end of the output planetary carrier; the input gear shaft is intersected with the front part of the case, and sealing devices are arranged at positions where the output planetary carrier and the back part of the case are intersected

Multi-stage planetary reducer for ball mill

The utility model discloses a multipurpose gear case Three-stage transmission effects can be realized by the multipurpose gear case, and the multipurpose gear case comprises parallel shaft systems, a primary planetary gear train and a secondary planetary gear train The multipurpose gear case has the advantages that the parallel shaft systems are used for controlling change of a speed ratio of the gear case, so that conditions for replacing different models can be created; power can be outputted by a secondary planetary carrier of the multipurpose gear case, the multipurpose gear case can be connected with different devices and accordingly can be applied to speed reducers of rolling machines, speed reducers of central transmission mills and speed reducers of sugar presses; blades can be driven by wind power to be directly connected with the secondary planetary carrier when the multipurpose gear case is applied to a wind-driven power generator, the power generator can be driven to generate power after the blades are accelerated, accordingly, the multipurpose gear case has multiple functions, and the manufacturing cost can be obviously reduced

Multipurpose gear case

The invention discloses an eccentric sleeve for eccentric shaft machining and belongs to the field of mechanism machining. The eccentric sleeve comprises a cylindrical body; one end of the body is closed, an installation reference hole is formed in the other end of the body, and the inner diameter of the installation reference hole is slightly larger than the diameter of a journal of an eccentric shaft; a positioning pin groove is formed in the inner wall of the body and is formed in the axial direction of the body; an eccentric hole is formed in the closed end of the body and deviates from the installation reference hole by one eccentric distance; the eccentric hole and the positioning pin groove are located in the same plane; and the outer edge of the body is provided with a plane, and the plane is parallel with a center connection line between the eccentric hole and the positioning pin groove. The eccentric sleeve is adopted, it can be avoided that the length of a center hole is reserved in a blank of the eccentric shaft, and workpiece materials are greatly saved; time for drilling eccentric holes in the two ends of the shaft in the original process is shortened; and the eccentric distance can be guaranteed, synchronism of relevant sizes is good, and the product machining precision and quality are effectively guaranteed. The invention further discloses a machining method utilizing the above eccentric sleeve.

Eccentric sleeve and machining method for eccentric shaft machining

The invention provides a secondary speed reducer shell. A secondary speed reducer includes an input shaft, a transmission shaft, an input gear, a transmission gear, a planet row sleeving the transmission shaft, an output shaft and the shell, wherein the input shaft and the transmission shaft are parallel to each other, the input gear and the transmission gear sleeve the input shaft and the transmission shaft respectively and are meshed with each other, and the output shaft is connected with the planet row and is coaxial to the transmission shaft. The shell includes two parts which are arrangedaxially and connected with each other and a gear ring of the planet row fixedly arranged in the shell; the two parts are provided with coaxial bearing supporting holes of the input shaft respectively, wherein the diameter of each bearing supporting hole is equal; one part is provided with bearing supporting holes of the output shaft; the other part is provided with bearing supporting holes of thetransmission shaft, wherein the bearing supporting holes of the transmission shaft are coaxial to the bearing supporting holes of the output shaft; the gear ring is connected with one part fixedly and is coaxial to the bearing supporting holes of the output shaft. The secondary speed reducer shell can greatly improve the accuracy of supporting and locating of the gears and bearings and reduce gear transmission errors, abrasion and vibration of the speed reducer.

Secondary speed reducer shell

The utility model relates to a two-stage planetary reducer, which aims at solving the problem that a single-group planetary gear cannot meet the large reduction ratio requirement. The two-stage planetary reducer comprises an input shaft, an output shaft and a reduction gear set which is arranged between the input shaft and the output shaft, and the two-stage planetary reducer is characterized in that the reduction gear set comprises a primary planetary reduction mechanism and a secondary planetary reduction mechanism, which are mutually connected with each other in serial, the input shaft is linked with a primary sun gear, a primary planetary carrier is linked with a secondary sun gear, and a secondary planetary carrier is linked with the output shaft. Two groups of planetary reduction mechanisms are serially connected with each other to reduce the speed, so that the reduction ratio is increased, and the large reduction ratio transmission requirement can be met; and more planetary gears are arranged on the low-speed planetary reduction mechanism, so that the characteristics that the planetary reduction mechanism power is divided can be reasonably utilized, the stress of the single planetary gear is reduced, stability in transmission is achieved, and the service life is prolonged.

Two-stage planetary reducer

The utility model relates to an adjustable eccentric sleeve which can be adjusted according to eccentricity The adjustable eccentric sleeve solves the problems that an existing eccentric sleeve is narrow in adaptability and can not meet adaptability adjustment of different eccentricity errors The adjustable eccentric sleeve comprises a sleeve ring with a round hole in the middle, and is characterized in that at least three adjusting blocks are evenly arranged on a circumferential outer wall of the sleeve ring and fixed with the sleeve ring through adjusting screws, and gaskets capable of being detached and replaced are arranged between the adjusting blocks and the outer wall of the sleeve ring in clamping mode The gaskets capable of being detached are adopted, and therefore the eccentric sleeve is of adjustable structure and adjusting demands of the different eccentricity errors can be met In the process of adjustment, enough contact areas between the eccentric sleeve and an installation hole can be kept from beginning to end, and therefore supporting strength is guaranteed

Adjustable eccentric sleeve

Handle everyday research tasks with reliable, citation-backed results

Your personal Research Agent to handle research tasks with citation-backed results

Popular Tasks used by Researchers

How can I help with your research?

Meet SciSpace

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Chen Bin

Author Tools

Chat about Author

Papers

Two-stage planetary reducer

Adjustable eccentric sleeve