CN214305195U

CN214305195U - Compact speed reducer with independent lubricating sealing cavity

Info

Publication number: CN214305195U
Application number: CN202022975223.3U
Authority: CN
Inventors: 吴克键; 何芸; 闵孟文; 章朝云; 邢冰燕; 张达; 倪志鹏; 项建忠
Original assignee: Zhejiang Tongli Transmission Technology Co ltd
Current assignee: Zhejiang Tongli Transmission Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-28
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to a take compact reduction gear in independent lubricated sealed chamber, including box, gear train, output shaft, support, output shaft linkage hole, bearing assembly, sealing mechanism, its characterized in that: the box is located output shaft linkage hole middle part and is equipped with the sealed spacer that the output shaft periphery was located to the cover, be equipped with the sealed chamber of first lubrication between sealed spacer and the output shaft, be equipped with the sealed chamber of second lubrication between sealed spacer and the box, sealed spacer one end is inlayed and is had the O type circle that is located between box and the sealed spacer, the sealed spacer other end is equipped with the first oil blanket that is located between output shaft and the sealed spacer, the beneficial effects of the utility model are that: the compact speed reducer with the independent lubricating sealing cavity is good in lubricating effect, capable of achieving vertical installation and stirring functions, reliable in sealing performance, high in transmission efficiency and strong in bearing capacity.

Description

Compact speed reducer with independent lubricating sealing cavity

Technical Field

The utility model relates to a speed reducer equipment technical field, concretely relates to take compact reduction gear in independent lubricated sealed chamber.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear and worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.

Taking the reducer acting in the stirring equipment as an example, the motor and the reducing mechanism of the reducer are arranged in parallel, the reducer is installed vertically, the output is arranged downwards, the stirring requirement of the reducer can be met, but because the requirement of the stirring equipment on the reducer is that the reducer has the characteristics of small speed ratio, high rotating speed, compact structure, temperature rise of the reducer, sensitivity to oil leakage and the like, the existing reducer often has the following two problems, firstly, the temperature rise is too high, the internal parts are aged, the service life is shortened, secondly, the oil leakage occurs, once the phenomenon occurs, the maintenance is inconvenient because the rotating shaft of the reducer is not easy to replace, the maintenance cost is higher, and great inconvenience is brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a take independent lubricated compact reduction gear in sealed chamber, and lubricated effect is good, and it can realize vertical installation stirring function, and sealing performance is reliable, and transmission efficiency is high, and bearing capacity is strong.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a compact reduction gear in sealed chamber of independent lubrication in area, including the box, locate the gear train in the box and with the output shaft of gear train linkage, box upper portion is equipped with the support, the box lower part is equipped with the output shaft linkage hole that can link with the output shaft, be equipped with bearing assembly between output shaft and the output shaft linkage hole, output shaft linkage hole tip is equipped with sealing mechanism, a serial communication port, the box is located output shaft linkage hole middle part and is equipped with the sealed spacer of cover locating the output shaft periphery, be equipped with the sealed chamber of first lubrication between sealed spacer and the output shaft, be equipped with the sealed chamber of second lubrication between sealed spacer and the box, sealed spacer one end is inlayed and is located the O type circle between box and the sealed spacer, the sealed spacer other end is equipped with the first oil blanket that is located between output shaft and the sealed spacer.

Adopt above-mentioned technical scheme, the support sets up in box upper portion, the output shaft sets up in the box lower part, can realize vertical installation agitated vessel, realize stirring function, through setting up sealed spacer, divide into first lubricated sealed chamber and the lubricated sealed chamber of second with the box inner chamber, separate the box oil lubrication and output end fat lubrication, form independent lubricated cavity, guarantee box lubrication everywhere is proper, and lubricated effect obtains promoting, simultaneously because of the reduction gear velocity ratio is little, gear arrangement is intensive, compact structure, the event sealed spacer has adopted the little interference fit design of O type circle, impel sealed spacer to seal and fix on the box, first oil blanket can prevent in the inside lubricating oil infiltration sealed spacer of reduction gear.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the box is located output shaft linkage hole side portion and is equipped with the first lubrication point that can switch on with the lubricated sealed chamber of second, first lubrication point switch on is connected with annotates the fat pipe.

By adopting the technical scheme, lubricating grease can be injected towards the first lubricating point through the grease injection pipe, so that a customer can conveniently and regularly inject the lubricating grease to compensate for loss.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the gear train is equipped with the output linkage gear that can link with the output shaft, the terminal surface that the output linkage gear faced sealed spacer is equipped with the recess, sealed spacer tip extends to in the recess.

By adopting the technical scheme, the grooves can reduce the splashing of partial lubricating grease into the sealing spacer.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the box is connected with an oil absorption filter, the oil absorption filter is connected with a water-cooling heat exchanger in a conduction mode, the water-cooling heat exchanger is connected with an oil distributor in a conduction mode, the box is provided with a plurality of groups of lubricating oil points which can be communicated with the second lubricating sealed cavity, and the lubricating oil points are connected with the oil distributor in a conduction mode.

By adopting the technical scheme, the lubricating oil in the box body is extracted through the oil absorption filter to exchange heat with the cooling water in the water-cooling heat exchanger, and then the lubricating oil is delivered to each lubricating oil point through the oil separator, so that the working requirement of the speed reducer can be met, and the aim of reducing the oil temperature can be achieved.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the box body is provided with a liquid level liquid thermometer.

By adopting the technical scheme, the liquid level liquid thermometer can clearly display the oil level and the oil temperature and observe the oil temperature and the oil level in time.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the sealing mechanism comprises a second oil seal arranged between the output shaft and the output shaft linkage hole, and a dustproof ring is arranged at the end, facing the outer side, of the second oil seal.

By adopting the technical scheme, the dust ring can avoid dust entering.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the tank body is provided with an oil level sensor.

By adopting the technical scheme, the oil level sensor can send out signals when the oil level of the speed reducer is reduced to be lower than a preset value, and the speed reducer is prevented from being damaged due to oil shortage.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: and the output shaft is provided with wear-resistant rings at the joint of the first oil seal and the sealing mechanism.

By adopting the technical scheme, the wear-resistant ring can reduce friction and prolong the service life of the output shaft.

The compact speed reducer with the independent lubricating seal cavity can be further arranged as follows: the bearing assembly comprises double-row self-aligning roller bearings which are arranged at two linked ends of the output shaft and are positioned between the output shaft and the output shaft linked hole, and the sealing mechanism is positioned at the linked end part of the output shaft.

By adopting the technical scheme, the double-row self-aligning roller bearing has very high radial bearing capacity, can effectively prolong the service life of the speed reducer and meet the severe working condition environment of the stirring industry.

The utility model has the advantages that: by adopting the technical scheme, the support is arranged at the upper part of the box body, and the output shaft is arranged at the lower part of the box body, so that the vertical installation of stirring equipment can be realized, and the stirring function can be realized; by arranging the sealing spacer bush, the inner cavity of the box body is divided into a first lubricating sealed cavity and a second lubricating sealed cavity, oil lubrication and output end grease lubrication in the box body are separated, an independent lubricating cavity is formed, proper lubrication at each part of the box body is guaranteed, the lubricating effect is improved, lubricating grease can be injected towards a first lubricating point through the grease injection pipe to lubricate the first lubricating sealed cavity, a customer can conveniently and regularly inject lubricating grease to compensate loss, lubricating oil in the box body is extracted through the oil absorption filter to exchange heat with cooling water in the water-cooling heat exchanger, the second lubricating sealed cavity is lubricated, then the lubricating oil is distributed to each lubricating oil point through the oil distributor, the working requirement of the speed reducer can be met, the aim of reducing the oil temperature can be achieved, and as the lubricating oil points are distributed at each part of the speed reducer gear set, the bearing, the support and the like, the integral oil level of the speed reducer can be reduced below 1/3 of a horizontal central line, the heat generated by oil stirring of the gear pair rotating at high speed is greatly reduced, and the risk of oil leakage caused by high oil pressure can be reduced; meanwhile, the sealing spacer sleeve adopts the design of O-shaped ring small interference fit, so that the sealing spacer sleeve can be hermetically fixed on the box body, and the first oil seal and the groove can prevent lubricating oil in the speed reducer from permeating into the sealing spacer sleeve.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic partial cross-sectional view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a partially enlarged view of a portion B in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The compact speed reducer with the independent lubrication sealing cavity as shown in fig. 1 to 4 comprises a box body 1, a gear set 2 arranged in the box body 1 and an output shaft 3 linked with the gear set 2, the upper part of the box body 1 is provided with a support 4, the lower part of the box body 1 is provided with an output shaft linkage hole 5 which can be linked with the output shaft 3, a bearing assembly is arranged between the output shaft 3 and the output shaft linkage hole 5, a sealing mechanism is arranged at the end part of the output shaft linkage hole 5, a sealing spacer bush 6 sleeved on the periphery of the output shaft 3 is arranged in the middle of the output shaft linkage hole 5 of the box body 1, a first lubricating sealed cavity 7 is arranged between the sealed spacer 6 and the output shaft 3, a second lubricating sealed cavity 8 is arranged between the sealed spacer 6 and the box body 1, one end of the sealing spacer 6 is embedded with an O-shaped ring 9 positioned between the box body 1 and the sealing spacer 6, and a first oil seal 10 positioned between the output shaft 3 and the sealing spacer 6 is arranged at the other end of the sealing spacer 6. The box body 1 is provided with a first lubricating point 11 which is positioned on the side part of the output shaft linkage hole 5 and can be communicated with the second lubricating sealed cavity 8, and the first lubricating point 11 is communicated and connected with a grease injection pipe 12. The gear set 2 is provided with an output linkage gear 21 which can be linked with the output shaft 3, a groove 211 is arranged on the end face, facing the sealing spacer 6, of the output linkage gear 21, and the end part of the sealing spacer 6 extends into the groove 211. The oil-absorbing device is characterized in that the box body 1 is connected with an oil-absorbing filter 13, the oil-absorbing filter 13 is connected with a water-cooling heat exchanger 14 in a conduction mode, the water-cooling heat exchanger 14 is connected with an oil distributor 15 in a conduction mode, the box body 1 is provided with multiple groups of lubricating oil points 16 which can be communicated with the second lubricating sealed cavity 8, and the lubricating oil points 16 are connected with the oil distributor 15 in a conduction mode. The tank body 1 is provided with a liquid level thermometer 17. The sealing mechanism comprises a second oil seal 18 arranged between the output shaft 3 and the output shaft linkage hole 5, and a dustproof ring 19 is arranged at the end, facing the outer side, of the second oil seal 18. The tank 1 is provided with a fuel level sensor 20. And the output shaft 3 is provided with a wear-resistant ring 22 at the joint of the first oil seal 10 and the sealing mechanism. The bearing assembly comprises double-row self-aligning roller bearings 23 which are arranged at two linked ends of the output shaft 3 and are positioned between the output shaft 3 and the output shaft linked hole 5, and the sealing mechanism is positioned at the linked end part of the output shaft 3.

Claims

1. The utility model provides a compact reduction gear of sealed chamber of independent lubrication in area, is including the box, locate the gear train in the box and with the output shaft of gear train linkage, box upper portion is equipped with the support, the box lower part is equipped with the output shaft linkage hole that can link with the output shaft, be equipped with bearing assembly between output shaft and the output shaft linkage hole, output shaft linkage hole tip is equipped with sealing mechanism, its characterized in that: the box is located output shaft linkage hole middle part and is equipped with the sealed spacer sleeve that the output shaft periphery was located to the cover, be equipped with first lubricated sealed chamber between sealed spacer sleeve and the output shaft, be equipped with the lubricated sealed chamber of second between sealed spacer sleeve and the box, sealed spacer sleeve one end is inlayed and is had the O type circle that is located between box and the sealed spacer sleeve, the sealed spacer sleeve other end is equipped with the first oil blanket that is located between output shaft and the sealed spacer sleeve.

2. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: the box is located output shaft linkage hole side portion and is equipped with the first lubrication point that can switch on with the lubricated sealed chamber of second, first lubrication point switch on is connected with annotates the fat pipe.

3. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: the gear train is equipped with the output linkage gear that can link with the output shaft, the terminal surface that the output linkage gear faced sealed spacer is equipped with the recess, sealed spacer tip extends to in the recess.

4. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: the box is connected with an oil absorption filter, the oil absorption filter is connected with a water-cooling heat exchanger in a conduction mode, the water-cooling heat exchanger is connected with an oil distributor in a conduction mode, the box is provided with a plurality of groups of lubricating oil points which can be communicated with the second lubricating sealed cavity, and the lubricating oil points are connected with the oil distributor in a conduction mode.

5. A compact decelerator with independently lubricated sealed cavities as claimed in claim 1, 2 or 4, wherein: the box body is provided with a liquid level liquid thermometer.

6. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: the sealing mechanism comprises a second oil seal arranged between the output shaft and the output shaft linkage hole, and a dustproof ring is arranged at the end, facing the outer side, of the second oil seal.

7. A compact speed reducer with independent lubrication seal cavities according to claim 1 or 6, characterized in that: the tank body is provided with an oil level sensor.

8. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: and the output shaft is provided with wear-resistant rings at the joint of the first oil seal and the sealing mechanism.

9. A compact speed reducer with independent lubrication seal cavities according to claim 1, characterized in that: the bearing assembly comprises double-row self-aligning roller bearings which are arranged at two linked ends of the output shaft and are positioned between the output shaft and the output shaft linked hole, and the sealing mechanism is positioned at the linked end part of the output shaft.