CN201651188U - Built-in planetary gear-shift speed reducer - Google Patents
Built-in planetary gear-shift speed reducer Download PDFInfo
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- CN201651188U CN201651188U CN2010201014954U CN201020101495U CN201651188U CN 201651188 U CN201651188 U CN 201651188U CN 2010201014954 U CN2010201014954 U CN 2010201014954U CN 201020101495 U CN201020101495 U CN 201020101495U CN 201651188 U CN201651188 U CN 201651188U
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Abstract
The utility model relates to a built-in planetary gear-shift speed reducer, which is designed to obtain the power output with low rotating speed with different speed ratios and big torque through the speed-reducing transmission of the planetary gear in order to satisfy the low-torque and high-rotating speed power input; the speed reducer mainly comprises a speed reducer cavity body, wherein two groups of planetary wheel assemblies, a gear shifting driving plate assembly, a lubricating oil nozzle, a proximity switch detecting the gear-shifting position and the like are arranged in the cavity body, and the speed reducer cavity body and a sealing element are combined to form an enclosed cavity, so that the leakage of the lubricating oil which is being poured when the speed reducer is operating can be avoided. The output end of the speed reducer can output different rotating speeds as the working position of the gear shifting driving plate changes. As a power transmission device, the built-in planetary gear-shift speed reducer is mainly characterized by low torque and high rotating speed, the power input of the highest input rotating speed amounts to 12000 r/min, the power output with low rotating speed and big torque can be achieved through the speed reducing transmission of the planetary gear, the output rotating speed with different speed ratios can be obtained through the gear shifting mechanism, the structure is compact, and the transmission chain is short.
Description
Technical field:
The utility model relates to a kind of planet-gear speed reducer, relates in particular to a kind of built-in planet variable block speed reducer.Being mainly used in machine industry, is the power transmitting deice in the headstock in large floor boring drilling and milling machine, the plane milling and boring machine.
Background technique:
The kind of present planet-gear speed reducer is a lot, and application is also very extensive, but can be applicable to that the high-revolving power input of the required low moment of torsion of the motivational drive of main shaft of large machine tools is also rare.Mainly exist structure compact inadequately, Transmitted chains length is bigger, is not suitable for the motivational drive of main shaft of large machine tools.
Summary of the invention:
The utility model is in order to satisfy the power input of the low high rotating speed of moment of torsion (the highest input speed can reach 12000r/min), obtain the power output of the slow-speed of revolution of different speed ratios and high pulling torque and a kind of built-in planet variable block speed reducer is provided through the planetary gear speed-reduction transmission, it is mainly by the speed reducer cavity, the two groups of planetary wheeling assemblies and the dial assembly of shifting gears constitute, described speed reducer cavity is by sleeve that is positioned at axial both sides and the end cap that is positioned at two ends, by socket head screw and locating stud, and seal ring, oil sealing, blanking cover be tightly connected, and form the cavity of a sealing; And pass through to be communicated with in its outside lubricant oil nozzle, lubricant oil filler opening and lubricant oil oil outlet and the cavity; Wherein:
Described two groups of planetary wheeling assemblies place in the cavity of sealing, and one group of planetary wheeling assembly is positioned at the sleeve D inboard of band internal gear, and are in transmission connection by internal tooth and planet wheel A, and planet wheel shaft A is in transmission connection with the input gear shaft by planetary wheel carrier A; One end of input gear shaft rolls with an end of the sun wheel shaft of wounded in the battle key and is connected; One end of planetary wheel carrier is by the drive plate and the sliding gear tube engagement of wounded in the battle key, and sliding gear tube drives with another group planetary wheeling assembly with sun wheel shaft engagement realization and is connected;
Another group planetary wheeling assembly is positioned at the sleeve A inboard of band internal gear, planet wheel B be fixed on that planetary wheel carrier B goes up and planet wheel shaft B between needle bearing is housed, and between the planetary wheel carrier B friction plate B is housed, be in transmission connection with internal tooth and the sun wheel shaft external tooth of sleeve A; The planetary wheel carrier that has inner spline gear in this group planetary wheeling assembly is a clutch end;
Gearshift dial assembly mainly is made up of piston cylinder, piston rod, dial and sliding gear tube between two groups of planetary wheeling assemblies, is connected with piston rod A, the hydraulic transmission of gearshift dial by the filler opening C on the sleeve C; Be connected with the hydraulic transmission of piston rod B gearshift dial by the filler opening D on the sleeve B of band oil cylinder; Be separately installed with near switch on the sleeve B of band oil cylinder and the sleeve C.
The beneficial effects of the utility model: the motivational drive that is specially adapted to main shaft of large machine tools.Power input with high rotating speed of low moment of torsion (the highest input speed can reach 12000r/min), transmission can obtain the slow-speed of revolution of different speed ratios and the power output of high pulling torque through planetary gear speed-reduction; Its compact structure, Transmitted chains length is short and small.
Description of drawings:
Fig. 1 is the utility model internal structure generalized section
Fig. 2 is gearshift back dial and a gear engagement position generalized section among Fig. 1
Embodiment:
With reference to Fig. 1, built-in planet variable block speed reducer, mainly by the speed reducer cavity, the two groups of planetary wheeling assemblies and the dial assembly of shifting gears constitute, described speed reducer cavity is by sleeve that is positioned at axial both sides and the end cap that is positioned at two ends, by socket head screw and locating stud, and seal ring, oil sealing, blanking cover be tightly connected, and form the cavity of a sealing; And pass through to be communicated with in its outside lubricant oil nozzle, lubricant oil filler opening and lubricant oil oil outlet and the cavity; Wherein:
Described two groups of planetary wheeling assemblies place in the cavity of sealing, and one group of planetary wheeling assembly is positioned at the sleeve D12 inboard of band internal gear, and are in transmission connection by internal tooth and planet wheel A17, and planet wheel shaft A19 is in transmission connection with input gear shaft 14 by planetary wheel carrier A11; One end of input gear shaft 14 rolls with an end of the sun wheel shaft 4 of wounded in the battle key and is connected; The end of planetary wheel carrier A11 is by the drive plate 10 and sliding gear tube 20 engagements of wounded in the battle key, and sliding gear tube 20 drives with another group planetary wheeling assembly with sun wheel shaft 4 engagement realizations and is connected;
Another group planetary wheeling assembly is positioned at the sleeve A1 inboard of band internal gear, planet wheel B23 is fixed on planetary wheel carrier B2 and upward and between the planet wheel shaft B25 needle bearing is housed, and friction plate B24 is housed between the planetary wheel carrier B2, is in transmission connection with the internal tooth of sleeve A1 and the external tooth of sun wheel shaft 4; The planetary wheel carrier 2 that has inner spline gear in this group planetary wheeling assembly is clutch end;
Gearshift dial assembly is positioned at two groups of planetary wheeling assembly middle parts, mainly is made up of piston cylinder, piston rod, dial and sliding gear tube, is connected with piston rod A21,6 hydraulic transmissions of gearshift dial by the filler opening C on the sleeve C 9; Be connected with piston rod B22,6 hydraulic transmissions of gearshift dial by the filler opening D on the sleeve B5 of band oil cylinder; Be separately installed with near switch 7 on the sleeve B5 of band oil cylinder and the sleeve C 9.
The sleeve A1 of described band internal gear, the sleeve D12 excircle of the sleeve B5 of band oil cylinder and sleeve C 9 and band internal gear is provided with o-ring groove.
Lubricant oil filler opening A, E in described speed reducer cavity outside, be communicated with in lubricant oil nozzle 13 and lubricant oil oil outlet B, F and the chamber, lubricant oil is provided for the speed reducer internal gear by oil nozzle 13, lubricant oil is entered by filler opening A, E, by oil nozzle 13 oil spout in speed reducer, discharge B, F from oil outlet, form the lubrication oil circulation loop.
Be respectively equipped with the filler opening C and the D of hydraulic oil on the sleeve B5 of described band oil cylinder and the sleeve C 9.
Described two groups of planetary wheeling mechanisms are equipped with various similar and different reduction speed ratio.
Realize that this is suitable for novel working principle:
Built-in planet variable block speed reducer is a kind of actuating unit, and by motor direct-connected planetary speed reducer, the planetary wheeling mechanism by planet-gear speed reducer is realized the output of power, again by conversion speed reducer gear, and can be by different speed ratio output speeds.It is mainly by the speed reducer cavity, be provided with two groups of planetary wheeling assemblies, gearshift dial assembly, lubricant oil nozzle in the cavity, detect drive range near formations such as switch and various Sealings, wherein the speed reducer cavity is formed by connecting by socket head screw and locating stud by the sleeve and the left and right sides two end cap of 4 different structures, be provided with Sealing between each associated part, constitute the speed reducer cavity of sealing, external lubrication is filled in the cavity through oil nozzle and does not reveal.Two groups of planetary wheeling assemblies are respectively by the internal gear sleeve, sun gear, and 3-6 planet wheel and planetary wheel carrier constitute, and every group of planetary wheeling assembly has different or identical reduction speed ratio.Under the effect of gearshift dial, two groups of planet wheels can play a role individually or simultaneously, and output shaft has different reduction speed ratio output.Gearshift dial assembly is by piston cylinder, piston rod, dial, sliding gear tube, and respectively with formations such as the input gear shaft (may also be referred to as sun gear) of sliding gear tube engagement and drive plate.When the hydraulic oil import C oiling on the sleeve C 9, gearshift dial 6 is with reference to position shown in Figure 1, input gear shaft 14 drives the planetary wheeling assembly on right side, planetary wheel carrier A11 goes up the drive plate 10 and sliding gear tube 20 engagements that connects, sun wheel shaft 4 engagements in the planetary wheeling assembly in sliding gear tube 20 and left side drive the left side planetary wheeling assembly and have the planetary wheel carrier 2 of inner spline gear as clutch end.When the hydraulic oil import D oiling on the sleeve B5, gearshift dial 6 is with reference to position shown in Figure 2, and input gear shaft 14 meshes with sliding gear tube 20, drives the planetary wheeling assembly in left side, and the output terminal of planetary wheel carrier B2 is exported the rotating speed transferring power of another kind of speed ratio.
Embodiment
Built-in planet variable block speed reducer, it is by the sleeve A1 and the sleeve D12 of band internal gear, the band sleeve B5 of oil cylinder and sleeve C 9 and left side end cap A15, right side end cap B27, they are tightly connected and constitute the speed reducer cavity by socket head screw and locating stud and seal ring, oil sealing, blanking cover.Two groups of planetary gear sets about having respectively in cavity have gearshift dial assembly between two groups of planetary gear sets.
Be provided with sealed groove and lubricant oil oil outlet F in the outer ring of sleeve A1; Lubricant oil nozzle 13 and drive range Detecting element are housed near switch 7 on sleeve B5; Be provided with o-ring groove in sleeve B5 outer ring, hydraulic oil filler opening D, lubricant oil filler opening E; The drive range Detecting element is housed near switch 7 on sleeve C 9, and is provided with o-ring groove and hydraulic oil filler opening C in the outer ring; On the sleeve D12 of band gear lubricant oil nozzle 13 is housed, and on the outer ring, is provided with o-ring groove and lubricant oil filler opening A, lubricant oil oil outlet B.
Lubricant oil nozzle 13 on sleeve B5 and sleeve D12 and filler opening A, E, C, D, and lubricant oil oil outlet B, F on sleeve A1 and sleeve C 9, when working, reducer gear provides outside to oil lubrication for it, hydraulic oil filler opening C, D on sleeve B5 and sleeve C 9 adopts the oil cylinder correction oil injection method, piston rod A21 and B22 promote gearshift dial 6 move left and right, simultaneously on sleeve B5 and sleeve C 9, detect gearshift dial move left and right positions, and send the gear shift control electrical signal near switch 7.By seal ring and the oil sealing that is equipped with between the speed reducer cavity link, guarantee when lubricant oil and hydraulic oil enter in the speed reducer chamber oil-proof.In addition, cavity assembly outside can not be provided with sealed groove, only is provided with lubricant oil and hydraulic oil oil inlet and oil return mouth A, B, C, D, E, F, supports the installation of speed reducer as the monolithic case of speed reducer.
The planetary wheeling assembly that is positioned at left side (output terminal) in cavity comprises sleeve A1 and the sun wheel shaft 4 of being with internal gear, planet wheel B23 is fixed on the planetary wheel carrier B2, between planet wheel and the planet wheel shaft B25 needle bearing is housed, friction pads B24 is housed between planet wheel and the planetary wheel carrier, planetary wheel carrier B2 is that the output axle head has inside spline wheel gear, between the end cap B27 in it and left side bearing and oil sealing is housed.
The planetary wheeling assembly that is positioned at right side (input end) in cavity comprises sleeve D12 and the input gear shaft 14 of being with internal gear, planet wheel A17 is fixed on the planetary wheel carrier A11, between planet wheel and the planet wheel shaft A19 needle bearing is housed, friction pads A18 is housed between planet wheel and the planetary wheel carrier, between the end cap A15 on planetary wheel carrier and right side and the sleeve D12 bearing is housed respectively.
Gearshift dial assembly in cavity between two planetary wheeling assemblies comprises piston rod A21 and piston rod B22, they are contained in respectively in the piston cylinder on sleeve B5 and the sleeve C 9, and be connected with gearshift dial 6, between gearshift dial 6 and the sliding gear tube 20 bearing is housed, external spline teeth engagement on the inner spline gear of sliding gear tube 20 and the sun wheel shaft 4, and sliding bearing is housed between them, and sliding gear tube 20 horizontally slips on sun wheel shaft 4.Spline tooth on the sliding gear tube 20 the stirring of gearshift dial down with drive plate 10 or input gear shaft 14 on spline tooth mesh.Between input gear shaft 14 and the sun wheel shaft 4 bearing is housed.Between blanking cover 26 and the planetary wheel carrier B2 seal ring is housed, and between the sun wheel shaft 4 oil sealing is housed.When filler opening C advanced hydraulic oil, piston rod A21 pushed gearshift dial 6 to left position, the internal spline engagement of the external splines of sliding gear tube 20 and drive plate 10, and drive plate 10 is connected with screw with pin with planetary wheel carrier A11; When filler opening D advanced hydraulic oil, piston rod B22 pushed gearshift dial 6 to right end position, and the internal spline of sliding gear tube 20 external spliness and drive plate 10 breaks away from, and the internal gear of sliding gear tube 20 meshes with the external gear of input gear shaft 14.Gearshift dial 6 is when the end positions of the left and right sides, respectively by detecting and send the position electrical signal near switch 7.
Claims (4)
1. built-in planet variable block speed reducer, mainly by the speed reducer cavity, the two groups of planetary wheeling assemblies and the dial assembly of shifting gears constitute, by socket head screw and locating stud, and seal ring, oil sealing, blanking cover are tightly connected and form the cavity of a sealing described speed reducer cavity by the sleeve that is positioned at axial both sides and the end cap that is positioned at two ends; And pass through to be communicated with in its outside lubricant oil nozzle, lubricant oil filler opening and lubricant oil oil outlet and the cavity; It is characterized in that:
Described two groups of planetary wheeling assemblies place in the cavity of sealing, one group of planetary wheeling assembly is positioned at sleeve D (12) inboard of band internal gear, and be in transmission connection by internal tooth and planet wheel A (17), planet wheel shaft A (19) is in transmission connection with input gear shaft (14) by planetary wheel carrier A (11); One end of input gear shaft (14) rolls with an end of the sun wheel shaft (4) of wounded in the battle key and is connected; One end of planetary wheel carrier (11) is by the drive plate (10) and sliding gear tube (20) engagement of wounded in the battle key, and sliding gear tube (20) drives with another group planetary wheeling assembly with sun wheel shaft (4) engagement realization and is connected;
Another group planetary wheeling assembly is positioned at sleeve A (1) inboard of band internal gear, planet wheel B (23) is fixed on planetary wheel carrier B (2) and upward and between the planet wheel shaft B (25) needle bearing is housed, and friction plate B (24) is housed between the planetary wheel carrier B (2), is in transmission connection with internal tooth and sun wheel shaft (4) external tooth of sleeve A (1); The planetary wheel carrier B (2) that has inner spline gear in this group planetary wheeling assembly is a clutch end;
Gearshift dial assembly mainly is made up of piston cylinder, piston rod, dial and sliding gear tube between two groups of planetary wheeling assemblies, is connected with piston rod A (21), the hydraulic transmission of gearshift dial (6) by the hydraulic oil filler opening C on the sleeve C (9); Be connected with piston rod B (22), the hydraulic transmission of gearshift dial (6) by the hydraulic oil filler opening D on the sleeve B (5) of band oil cylinder; Be separately installed with near switch (7) on the sleeve B (5) of band oil cylinder and the sleeve C (9).
2. built-in planet variable block speed reducer according to claim 1 is characterized in that: the sleeve A (1) of described band internal gear, sleeve D (12) excircle of the sleeve B (5) of band oil cylinder and sleeve C (9) and band internal gear is provided with o-ring groove.
3. built-in planet variable block speed reducer according to claim 1 is characterized in that: lubricant oil filler opening A, E in described speed reducer cavity outside are communicated with in lubricant oil nozzle (13) and lubricant oil oil outlet B, F and the chamber and form the lubricant oil loop.
4. built-in planet variable block speed reducer according to claim 1 is characterized in that: described two groups of planetary wheeling mechanisms are equipped with various similar and different reduction speed ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201014954U CN201651188U (en) | 2010-01-26 | 2010-01-26 | Built-in planetary gear-shift speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201014954U CN201651188U (en) | 2010-01-26 | 2010-01-26 | Built-in planetary gear-shift speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651188U true CN201651188U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201014954U Expired - Fee Related CN201651188U (en) | 2010-01-26 | 2010-01-26 | Built-in planetary gear-shift speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653727A (en) * | 2013-11-21 | 2015-05-27 | 宁波市鄞州拓隆传动设备有限公司 | Variable speed winding planetary reducer |
| CN105090395A (en) * | 2015-09-21 | 2015-11-25 | 宁波夏厦齿轮有限公司 | Precise planetary reducer |
-
2010
- 2010-01-26 CN CN2010201014954U patent/CN201651188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653727A (en) * | 2013-11-21 | 2015-05-27 | 宁波市鄞州拓隆传动设备有限公司 | Variable speed winding planetary reducer |
| CN105090395A (en) * | 2015-09-21 | 2015-11-25 | 宁波夏厦齿轮有限公司 | Precise planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150126 |
|
| EXPY | Termination of patent right or utility model |