CN204061763U - The planetary transmission of clutch band damping device - Google Patents
The planetary transmission of clutch band damping device Download PDFInfo
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- CN204061763U CN204061763U CN201420481515.3U CN201420481515U CN204061763U CN 204061763 U CN204061763 U CN 204061763U CN 201420481515 U CN201420481515 U CN 201420481515U CN 204061763 U CN204061763 U CN 204061763U
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Abstract
A kind of planetary transmission of clutch band damping device, gearbox is planetary transmission, gearbox is disposed with reverse clutch, one grade of clutch, second gear clutch, and the oil cylinder of reverse clutch and one grade of clutch connects and composes outer oil cylinder with piston respectively; Oil cylinder inner ring is provided with round Baltimore groove, and piston is provided with round boss, and the round Baltimore groove that oil cylinder inner ring is arranged and the round boss that piston is arranged connect and compose inner cylinder; Outer oil cylinder oil pocket be provided with between inner cylinder oil pocket by one-way valve, the orifice valve buffer control circuit formed in parallel, when one-way valve is set to oil-filled, obstructed oil locked by one-way valve, logical oil time out of supply; Its advantage is that gearbox shifting simple operation, operating efficiency are high; What is more important clutch band damping device, can solve the problem that on market, small sized loader feedback shift shock is large, improve operation comfort, improve the working life of clutch; Wheelbase is short, compact structure, and bearing capacity is strong, it is convenient to handle.
Description
Technical field
The utility model belongs to technical field of engineering machinery, particularly a kind of planetary transmission being applied to the clutch band damping device of loader.
Background technique
At present along with the refinement of Construction Machinery Market, wheel loader products series is also in refinement, and small sized loader carries out seriation with the requirement in satisfied different operating mode and place from 0.6t ~ 3t.And key components and parts small gear-box performance, reliability are undesirable.Market is most widely used is fixed shaft type, split gearbox, and this gearbox high and low shift switches needs shutdown operation, and gearshift inconvenience, operating efficiency is low.Split type speed-changing case accessory is many, and reliability is difficult to ensure.Along with user requires more and more higher to machine performance, efficiency moral, the existing fixed shaft type in market, split gearbox can not be met consumers' demand.The exploitation of the small ep formula gearbox of the utility model clutch band damping device is exactly the requirement for meeting small sized loader performance, simple operation.
Model utility content
The purpose of this utility model is just to provide a kind of employing monolithic construction, be beneficial to complete machine structure to arrange, gearbox operation gear be the first two afterwards one, but automatically switch because application free wheel device can realize gear according to complete machine load, this carries out automatically according to load when switching, gearbox actual-gear is after front four two, and gearbox shifting simple operation, operating efficiency are high; What is more important clutch band damping device, can solve the problem that on market, small sized loader feedback shift shock is large, improve operation comfort, improve the planetary transmission of the clutch band damping device in the working life of clutch.
Solution of the present utility model is such:
A kind of planetary transmission of clutch band damping device, comprise two hydrotransmitter, free wheel device, reverse clutch, one grade of clutch, second gear clutch, variable speed pump, speed change operating valve and output precision, realize two forward gearss and a retrogressing gear, it is characterized in that: described gearbox is planetary transmission, gearbox is disposed with reverse clutch, one grade of clutch, second gear clutch, and the oil cylinder of described reverse clutch and one grade of clutch connects and composes outer oil cylinder with piston respectively; Described oil cylinder inner ring is provided with round Baltimore groove, and described piston is provided with round boss, described oil cylinder inner ring arrange round Baltimore groove and the round boss that arranges of piston connect and compose inner cylinder; Described outer oil cylinder oil pocket be provided with between inner cylinder oil pocket by one-way valve, the orifice valve buffer control circuit formed in parallel, when described one-way valve is set to oil-filled, obstructed oil locked by one-way valve, logical oil time out of supply.
Technological scheme also comprises more specifically: described reverse clutch is planetary structure, its reverse gear planetary frame and sun gear hinged, reverse gear planetary frame riveted joint have reverse gear planet axis; Planet wheel is articulated with described reverse gear planet axis.
Further: described one grade of clutch is planetary structure, one shelves planet carrier and sun gear hinged, have one grade of planet axis in the riveted joint of one grade of planet carrier, one grade of planet wheel is articulated with one grade of described planet axis, engages respectively with sun gear, one grade of gear ring.
Further: described second gear clutch comprises direct high axle, friction plate, steel disc, land, second gear oil cylinder, second gear piston, intermediate gear, its direct high axle is connected with sun gear, and land and intermediate gear are riveted becomes an assembly.
Further: the most inner lane inwall of the round groove of described inner cylinder is that the piston oil-cylinder of inner cylinder connects sealing surface, and sealing surface is provided with inner cylinder seal ring.
Further: described one-way valve is valve body with piston, is arranged in piston, its one end is communicated with the oil pocket of outer oil cylinder, the oil pocket of the other end connection inner cylinder.
The utility model has the advantages that employing monolithic construction, be beneficial to complete machine structure and arrange; Gearbox operation gear be the first two afterwards one, but automatically switch because application free wheel device can realize gear according to complete machine load, this carries out automatically according to load when switching, and gearbox actual-gear is after front four two, and gearbox shifting simple operation, operating efficiency are high; What is more important clutch band damping device, can solve the problem that on market, small sized loader feedback shift shock is large, improve operation comfort, improve the working life of clutch; Wheelbase is short, compact structure, and bearing capacity is strong, it is convenient to handle.
Accompanying drawing explanation
Fig. 1 is the structural representation of this practical small planetary transmission.
Fig. 2 is the J portion enlarged diagram of Fig. 1.
Fig. 3 is the K portion close-up schematic view of Fig. 1.
Fig. 4 is hydraulic control principle schematic.
Fig. 5 is the structural representation of the utility model small ep formula gearbox one grade of planet row and reverse gear planet row.
Fig. 6 is the structural representation of the utility model small ep formula gear box second gear assembly.
Fig. 7 the utility model small ep formula gear box hydraulic oil circuit schematic diagram.
In figure: the two hydrotransmitter B. free wheel device C. reverse clutch D of A., one grade of clutch E, second gear clutch F, outer oil cylinder G, inner cylinder.
1. control valve, 2. casing, 3. piston, 4. oil cylinder, 5. friction plate, 6. steel disc, 7. seal ring, 8. seal ring, 9. seal ring, I. damping hole, II. one-way valve, 10, reverse gear planetary frame, 11, reverse gear planet axis, 12, reverse gear planet wheel, 13, reverse gear gear ring, 14, one grade of gear ring, 15, one grade of planet wheel, 16, one grade of planet axis, 17, sun gear, 18, one grade of planet carrier, 19, direct high axle, 20, land, 21, intermediate gear, 22, friction plate, 23, steel disc, 24, second gear piston, 25, second gear oil cylinder, 26, first flexible pipe, 27, radiator, 28, second flexible pipe, 29, torque-converters, 30, pressure valve, 31, variable speed pump, 32, 3rd flexible pipe, 33, oil purifier, 34, 4th flexible pipe, 35, speed change operating valve, 36, strainer, 37, oil sump, 38, fuel sucking pipe, 39, large free wheel device.
Embodiment
As shown in Figure 1, 2, 3, the present embodiment comprises two hydrotransmitter, free wheel device, reverse clutch, one grade of clutch, second gear clutch, variable speed pump, speed change operating valve and output precision, realize two forward gearss and a retrogressing gear, described gearbox is planetary transmission, gearbox is disposed with reverse clutch C, one grade of clutch D, second gear clutch E, and the oil cylinder 4 of reverse clutch C and a grade of described clutch C connects and composes outer oil cylinder F with piston 3 respectively; Described oil cylinder 4 inner ring is provided with round Baltimore groove, and described piston 3 is provided with round boss, described oil cylinder 4 inner ring arrange round Baltimore groove and the round boss that arranges of piston 3 connect and compose inner cylinder G; Described outer oil cylinder F oil pocket be provided with between inner cylinder G oil pocket by one-way valve II, the orifice valve I buffer control circuit formed in parallel, when described one-way valve II is set to oil-filled, one-way valve II locks obstructed oil, logical oil time out of supply.
The most inner lane inwall of the round groove of described inner cylinder G is that the piston oil-cylinder of inner cylinder connects sealing surface, and sealing surface is provided with inner cylinder seal ring 9; Described one-way valve II is that be arranged in piston 3, its one end is communicated with the oil pocket of outer oil cylinder F, and the other end is communicated with the oil pocket of inner cylinder G with piston 3 for valve body; Described orifice valve I is that be arranged in piston 3, its one end is communicated with the oil pocket of outer oil cylinder F, and the other end is communicated with the oil pocket of inner cylinder G with piston 3 for valve body.
When engage a gear, two obstructed oil of one-way valve II locking on the oil-filled piston of clutch 3, the oil pocket of outer oil cylinder F is by the oil pocket logical oil of damping hole I to inner cylinder G, and slowly oil-filled when realizing gear shift, clutch smooth and steady combines.When time out of supply, one-way valve II opens and realizes the quick oil return of clutch.
As shown in Figure 5, described reverse clutch C is planetary structure, and its reverse gear planetary frame 10 is hinged with sun gear 17, has reverse gear planet axis 11 in reverse gear planetary frame 10 riveted joint; Four reverse gear planet wheels 12 are articulated with described reverse gear planet axis 11, engage respectively with reverse gear gear ring 13, sun gear 17; Described one grade of clutch D is planetary structure, one shelves planet carrier 18 is hinged with sun gear 17, there are one grade of planet axis, 16, four one grade of planet wheels 15 to be articulated with one grade of described planet axis 16 one grade of planet carrier 18 riveted joint, engage with sun gear 17, one grade of gear ring 14 respectively.
As shown in Figure 6, described second gear clutch E comprises direct high axle 19, friction plate 22, steel disc 23, land 20, second gear oil cylinder 25, second gear piston 24, intermediate gear 21, its direct high axle 19 is connected with sun gear 17, and land 20 and intermediate gear 21 are riveted and become an assembly; Intermediate gear 21 adopts rivet to link with land 20, and structure is simple.
The present embodiment is collected seed the fluid power gear changing mode shown in Fig. 4, and adopt planetary transmission hydraulic circuit as shown in Figure 7, variable speed pump 31 adopts built-in inlet line 38, and strainer 36 is arranged in gearbox fuel tank.Fluid arrives speed change operating valve 35 by secondary filter 33 after variable speed pump 31, and speed change operating valve 35 adjusts oil liquid pressure, and a road binders hydraulic coupling is adjusted to 0.56Mpa and leads to torque-converters 29, and a road binders hydraulic coupling is adjusted to 1.3 ~ 1.5Mpa and leads to gear clutch.Torque converter oil liquid gets back to fuel tank after radiator 27, and clutch fluid by speed change operating valve 35 oil circuit oil sump tank, realizes oil circulation time out of supply; Variable speed pump 31 provides hydraulic oil, and adjusting pressure by speed change operating valve 35 is 1.3 ~ 1.5Mpa, and when changing different gear, hydraulic oil leads to corresponding gear clutch by the oil duct on casing.
The utility model planetary transmission also can adopt hydraulic machine to shift gears and semi-automatic shift gears two kinds of modes, and gearbox can application machine shift valve and automatically controlled shift valve, can realize different control modes as required.
Claims (7)
1. the planetary transmission of a clutch band damping device, comprise two hydrotransmitter, free wheel device, reverse clutch, one grade of clutch, second gear clutch, variable speed pump, speed change operating valve and output precision, realize two forward gearss and a retrogressing gear, it is characterized in that: described gearbox is planetary transmission, gearbox is disposed with reverse clutch (C), one grade of clutch (D), second gear clutch (E), described reverse clutch (C) and the oil cylinder (4) of one grade of clutch (C) connect and compose outer oil cylinder (F) with piston (3) respectively, described oil cylinder (4) inner ring is provided with round Baltimore groove, and described piston (3) is provided with round boss, described oil cylinder (4) inner ring arrange round Baltimore groove and the round boss that arranges of piston (3) connect and compose inner cylinder (G), described outer oil cylinder (F) oil pocket be provided with by one-way valve (II), orifice valve (I) buffer control circuit formed in parallel between inner cylinder (G) oil pocket, when described one-way valve (II) is set to oil-filled, obstructed oil locked by one-way valve (II), logical oil time out of supply.
2. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: described reverse clutch (C) is planetary structure, its reverse gear planetary frame (10) is hinged with sun gear (17), has reverse gear planet axis (11) in reverse gear planetary frame (10) riveted joint; Reverse gear planet wheel (12) is articulated with described reverse gear planet axis (11).
3. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: described one grade of clutch (D) is planetary structure, one shelves planet carrier (18) is hinged with sun gear (17), have one grade of planet axis (16) one grade of planet carrier (18) riveted joint, one grade of planet wheel (15) is articulated with one grade of described planet axis (16) and engages with sun gear (17), one grade of gear ring (14) respectively.
4. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: described second gear clutch (E) comprises direct high axle (19), friction plate (22), steel disc (23), land (20), second gear oil cylinder (25), second gear piston (24), intermediate gear (21), its direct high axle (19) is connected with sun gear (17), and land (20) and intermediate gear (21) are riveted and become an assembly.
5. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: the most inner lane inwall of the round groove of described inner cylinder (G) is that the piston oil-cylinder of inner cylinder connects sealing surface, and sealing surface is provided with inner cylinder seal ring (9).
6. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: described one-way valve (II) is for valve body with piston (3), be arranged in piston (3), its one end is communicated with the oil pocket of outer oil cylinder (4), and the other end is communicated with the oil pocket of inner cylinder.
7. the planetary transmission of clutch band damping device according to claim 1, it is characterized in that: described orifice valve (I) is for valve body with piston (3), be arranged in piston (3), its one end is communicated with the oil pocket of outer oil cylinder (F), and the other end is communicated with the oil pocket of inner cylinder (G).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481515.3U CN204061763U (en) | 2014-08-26 | 2014-08-26 | The planetary transmission of clutch band damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481515.3U CN204061763U (en) | 2014-08-26 | 2014-08-26 | The planetary transmission of clutch band damping device |
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| Publication Number | Publication Date |
|---|---|
| CN204061763U true CN204061763U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420481515.3U Ceased CN204061763U (en) | 2014-08-26 | 2014-08-26 | The planetary transmission of clutch band damping device |
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| CN (1) | CN204061763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
| CN111963656A (en) * | 2020-08-28 | 2020-11-20 | 雷沃工程机械集团有限公司 | Engineering machinery electric control automatic gearbox and method |
| CN112096807A (en) * | 2020-10-09 | 2020-12-18 | 龙工(福建)桥箱有限公司 | Gearbox assembly of electric loader |
-
2014
- 2014-08-26 CN CN201420481515.3U patent/CN204061763U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
| CN111963656A (en) * | 2020-08-28 | 2020-11-20 | 雷沃工程机械集团有限公司 | Engineering machinery electric control automatic gearbox and method |
| CN112096807A (en) * | 2020-10-09 | 2020-12-18 | 龙工(福建)桥箱有限公司 | Gearbox assembly of electric loader |
| CN112096807B (en) * | 2020-10-09 | 2024-05-28 | 龙工(福建)桥箱有限公司 | Gearbox assembly of electric loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170703 Address after: 545007 the Guangxi Zhuang Autonomous Region Liuzhou City Liu Tai Road No. 1 Patentee after: LIUGONG LIUZHOU DRIVING MEMBER Co.,Ltd. Address before: 545007 the Guangxi Zhuang Autonomous Region Liuzhou City Liu Tai Road No. 1 Patentee before: GUANGXI LIUGONG MACHINERY Co.,Ltd. |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20220401 Decision number of declaring invalidation: 54943 Granted publication date: 20141231 |
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| IW01 | Full invalidation of patent right |