CN208331205U - A kind of compact multilevel output speed reducer - Google Patents

Abstract

The utility model discloses a kind of compact multilevel output speed reducers, including upper box, lower box, the first output shaft, the second output shaft, input shaft, third output shaft, jackshaft；It is characterized by: the input shaft is fixedly mounted on intermediate plate by bearing, wherein input shaft is engaged with the gear of third gear by input gear and exports axis connection with third, and wherein input shaft passes through the engagement of the gear of input gear and intermediate gear and intermediate axis connection；Two intermediate gears are symmetrically arranged on the jackshaft, two of them intermediate gear is distributed in the two sides of intermediate plate, and one end of jackshaft passes through intermediate plate and is mounted in lower box inner wall upper bearing (metal)；The jackshaft is engaged with the gear of first gear by intermediate gear and exports axis connection with second, and wherein jackshaft is engaged and the first output axis connection by intermediate gear with the gear of second gear；The utility model avoids speed reducer output single, the problem of taking up a large area, reaches multi output, maintenance easy to install is compact-sized, the small effect of occupied area.

Description

A kind of compact multilevel output speed reducer

Technical field

The utility model relates to a kind of speed reducers, and in particular to a kind of compact multilevel output speed reducer.

Background technique

Speed reducer plays the role of matching revolving speed and transmitting torque between prime mover and working machine or executing agency, slows down Machine is usually the absolute construction being made of closed stiff case and the intracorporal gear drive of shell, for lowering revolving speed, increasing Big torque, so that the output of prime mover meets the input condition of working machine or executing agency；Change the design of gear drive, Can also play the role of mentioning it is high-revolving, be used for speedup；Therefore it is widely used by being flexibly used in modern mechanical.

Existing speed reducer is usually three axis 2-level reducers, prime mover input by after gear drive transmitting by defeated Shaft output, output shaft only one, export more single, intermediate governor need to be increased when working machine or executing agency change Structure can only match engagement and use to meet work requirements or prime mover, speed reducer, working machine, and it is poor to exchange versatility.And such as Fruit increases output shaft, and it is all by each axis axis that existing structure, which blocks and facilitate installation, maintenance to not form gear between each other, Line is set on same plane and is arranged successively, while cabinet is split into upper and lower cabinet (also have and claim cabinet, case lid) with the plane and is detained The form matched is attached together, in this way, again greatly increasing the entire length of speed reducer, increases occupied area, further to using ring Border proposes requirement.

To reduce entire length, avoid occupied area excessive, the structure type in different planes will be located in by also having, such as Input shaft is set to the top of other axis, but input shaft in this way is by corresponding aperture on bearing interference fit ground loading cabinet and in case The assembling process that internal input shaft interference fit ground is connect with transmission gear is very difficult, in order to facilitate the installation of, repairs and make tooth Wheel does not form block between each other, and further splits cabinet in the horizontal plane of input shaft axis, forms three sections of casees of upper, middle and lower The structure type of body keeps the process and assemble of cabinet excessively complicated again in this way, and influences the globality of structure, and process and assemble precision is wanted Ask high, using occurring the big disadvantage of the vibration and noise as caused by cooperation precision is inadequate, drive gap is excessive often.

Summary of the invention

The purpose of this utility model is to provide a kind of compact multilevel output speed reducers, avoid speed reducer output single, The problem of taking up a large area reaches multi output, and maintenance easy to install is compact-sized, the small effect of occupied area.

A kind of compact multilevel output speed reducer, including upper box, lower box, the first output shaft, the second output shaft, input Axis, third output shaft, jackshaft；It is characterized by: the input shaft is fixedly mounted on intermediate plate by bearing, wherein inputting Axis is engaged with the gear of third gear by input gear and exports axis connection with third, and wherein third output shaft is fixed by bearing It is mounted on intermediate plate, wherein input shaft passes through the engagement of the gear of input gear and intermediate gear and intermediate axis connection；In described Between be symmetrically arranged with two intermediate gears on axis, two of them intermediate gear is distributed in the two sides of intermediate plate, and the one of jackshaft End is mounted in lower box inner wall upper bearing (metal) across intermediate plate, and wherein the other end of jackshaft is fixedly mounted on nowel by bearing On the inner wall of body；The jackshaft is engaged with the gear of first gear by intermediate gear and exports axis connection with second, wherein the Two output shafts are fixedly mounted on intermediate plate by bearing, and wherein jackshaft is engaged by intermediate gear with the gear of second gear Axis connection is exported with first, wherein the first output shaft is fixedly mounted on intermediate plate by bearing.

Further, first output shaft, the second output shaft, input shaft, third output shaft both pass through box body of speed reducer Tank wall.

Further, the box body of speed reducer is made of upper box and lower box, and wherein upper box and lower box pass through bolt 2 Connection.

Further, it is cased with spring on the bolt, wherein spring is between box body of speed reducer outer wall and bolt head.

Further, the intermediate plate is fixedly mounted in the annular groove on box body of speed reducer inner wall.

The utility model has the beneficial effects that: the present apparatus is simple in sturcture, ingenious in design, the present apparatus sets that there are three outputs The three-level output of three different rotating speeds can be realized by the design of gear ratio in axis, and it is single to avoid traditional speed reducer output One the problem of, improves exchange versatility；Rationally, only upper and lower box is constituted, and simplifies case for the body structure design of the present apparatus The assembly working amount of body structure and cabinet, facilitates assembly and disassembly, facilitates internal maintenance, is conducive to heat dissipation, small in size, occupied area is small； Rationally, input shaft, output shaft and transition axis are located at not in same level for each transmission shaft position setting of the present apparatus Transition axis oblique upper, in this way in the case where guaranteeing input shaft, output shaft with transition distance between axles, than being in same level Structure more can reduce cabinet length, improve compact overall structure；The input shaft and output shaft of the present apparatus are than common axis It is short, keep the material for manufacturing axis few, reduces overall weight, convenient transportation, installation reduce that manufacturing cost is low and use cost, The repeatable dismounting positioning of the structure of the present apparatus simultaneously is reliable, and precision is high, and operational vibration and noise are small.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the utility model.

Fig. 3 is the portion the utility model A enlarged structure schematic diagram.

Fig. 4 is the utility model lower box schematic diagram of internal structure.

Fig. 5 is the utility model lower box schematic diagram of internal structure.

Fig. 6 is the utility model schematic cross-sectional view.

In figure, upper box 1, bolt 2, lower box 3, the first output shaft 4, the second output shaft 5, input shaft 6, third output shaft 7, spring 8, first gear 9, second gear 10, third gear 11, intermediate plate 12, input gear 13, intermediate gear 14, jackshaft 15。

Specific embodiment

The following are the better embodiments of the utility model, but therefore do not limit the protection scope of the utility model.

As shown, a kind of compact multilevel output speed reducer, including upper box 1, lower box 3, the first output shaft 4, Two output shafts 5, input shaft 6, third output shaft 7, jackshaft 15；It is characterized by: the input shaft 6 is fixedly mounted by bearing On intermediate plate 12, wherein input shaft 6 is engaged with the gear of third gear 11 by input gear 13 and is connected with third output shaft 7 It connects, wherein third output shaft 7 is fixedly mounted on intermediate plate 12 by bearing, and wherein input shaft 6 is by input gear 13 in Between gear 11 gear engagement connect with jackshaft 15；Two intermediate gears, two of them are symmetrically arranged on the jackshaft 15 Intermediate gear is distributed in the two sides of intermediate plate 12, and one end of jackshaft 15 passes through intermediate plate 12 and is mounted on 3 inner wall of lower box In upper bearing (metal), wherein the other end of jackshaft 15 is fixedly mounted on the inner wall of lower box 3 by bearing；The jackshaft 15 is logical It crosses intermediate gear 11 to connect with the engagement of the gear of first gear 9 with the second output shaft 5, wherein the second output shaft 5 is solid by bearing Dingan County is on intermediate plate 12, and wherein jackshaft 15 is engaged and the first output by intermediate gear 11 with the gear of second gear 10 Axis 4 connects, wherein the first output shaft 4 is fixedly mounted on intermediate plate 12 by bearing.

Further, first output shaft 4, the second output shaft 5, input shaft 6, third output shaft 7 both pass through decelerating chassis The tank wall of body, wherein box body of speed reducer is made of upper box 1 and lower box 3, and wherein upper box 1 is connected with lower box 3 by bolt 2 It connects, spring 8 is cased on bolt 2, wherein spring 8 is between box body of speed reducer outer wall and bolt head；The intermediate plate 12 is solid Dingan County is in the annular groove on box body of speed reducer inner wall.

The utility model devises a kind of compact multilevel output speed reducer: the present apparatus is simple in sturcture, ingenious in design, this dress It installs there are three output shaft, by the design of gear ratio, the three-level output of three different rotating speeds can be realized, avoid biography System speed reducer exports single problem, improves exchange versatility；The body structure design of the present apparatus is reasonable, only upper and lower box It constitutes, simplifies the assembly working amount of body structure and cabinet, facilitate assembly and disassembly, facilitate internal maintenance, be conducive to heat dissipation, volume Small, occupied area is small；Rationally, input shaft, output shaft and transition axis be not in same water for each transmission shaft position setting of the present apparatus In plane, but it is located at transition axis oblique upper, in this way in the case where guaranteeing input shaft, output shaft with transition distance between axles, than Structure in same level more can reduce cabinet length, improve compact overall structure；The input shaft of the present apparatus with Output shaft is shorter than common axis, keeps the material for manufacturing axis few, reduces overall weight, convenient transportation, installation, reduce manufacture at This low and use cost, while the repeatable dismounting positioning of structure of the present apparatus is reliable, precision is high, and operational vibration and noise are small.

Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (5)

1. a kind of compact multilevel output speed reducer, including upper box, lower box, the first output shaft, the second output shaft, input Axis, third output shaft, jackshaft；It is characterized by: the input shaft is fixedly mounted on intermediate plate by bearing, wherein inputting Axis is engaged with the gear of third gear by input gear and exports axis connection with third, and wherein third output shaft is fixed by bearing It is mounted on intermediate plate, wherein input shaft passes through the engagement of the gear of input gear and intermediate gear and intermediate axis connection；In described Between be symmetrically arranged with two intermediate gears on axis, two of them intermediate gear is distributed in the two sides of intermediate plate, and the one of jackshaft End is mounted in lower box inner wall upper bearing (metal) across intermediate plate, and wherein the other end of jackshaft is fixedly mounted on nowel by bearing On the inner wall of body；The jackshaft is engaged with the gear of first gear by intermediate gear and exports axis connection with second, wherein the Two output shafts are fixedly mounted on intermediate plate by bearing, and wherein jackshaft is engaged by intermediate gear with the gear of second gear Axis connection is exported with first, wherein the first output shaft is fixedly mounted on intermediate plate by bearing.

2. a kind of compact multilevel output speed reducer according to claim 1, it is characterized in that: first output shaft, Two output shafts, input shaft, third output shaft both pass through the tank wall of box body of speed reducer.

3. a kind of compact multilevel output speed reducer according to claim 2, it is characterized in that: the box body of speed reducer is by upper Cabinet and lower box composition, wherein upper box is bolted with lower box.

4. a kind of compact multilevel output speed reducer according to claim 3, it is characterized in that: being cased with bullet on the bolt Spring, wherein spring is between box body of speed reducer outer wall and bolt head.

5. a kind of compact multilevel output speed reducer according to claim 1, it is characterized in that: the intermediate plate is fixedly mounted In the annular groove on box body of speed reducer inner wall.