CN205559720U - Hydrostatic infinitely variable speed device - Google Patents
Hydrostatic infinitely variable speed device Download PDFInfo
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- CN205559720U CN205559720U CN201620029129.XU CN201620029129U CN205559720U CN 205559720 U CN205559720 U CN 205559720U CN 201620029129 U CN201620029129 U CN 201620029129U CN 205559720 U CN205559720 U CN 205559720U
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Abstract
The utility model discloses a hydrostatic infinitely variable speed device, including casing, apron, swash plate, control assembly, pump rotor subassembly, motor rotor subassembly, high pressure overflow valve subassembly, check valve a subassembly, check valve b subassembly and supply valve, swash plate, control assembly, pump rotor subassembly, motor rotor subassembly, high pressure overflow valve subassembly, check valve a subassembly, check valve b subassembly and supply valve are all installed inside the casing, the apron is installed the bottom of casing, the utility model discloses rational in infrastructure, simple operation, cost are lower, do benefit to maintenance, and increase of service life can obviously improve work efficiency.
Description
Technical field
This utility model relates to speed change gear field, a kind of hydrostatic stepless speed change device.
Background technology
In traditional agriculture, the variable speed drive of agricultural machinery is mainly mechanical gearbox, and this change speed gear box is logical
Cross different gear ratios to realize speed change, be disadvantageous in that: the engagement between different gear will be realized, thus make
Must when engagement noise big, and inconvenient operation；When producing, in addition it is also necessary to putting into bigger tooling device, many enterprises are only
A kind of parts therein can be produced, limit the production of mechanical transmission；And complicated structure, maintenance not side
Just.Also progressively using hydraulic transformer on agricultural machinery now, but the hydraulic product of China especially new high-tech product
Production capacity is the most not enough, and the Hydraulic Elements of some keys also need to import, this just constrain China hydraulic-gear send out
Exhibition, and structure is complicated, is also not easy dismounting.
Utility model content
The purpose of this utility model be to provide a kind of rational in infrastructure, be beneficial to maintenance, can carry high efficiency hydrostatic
Stepless speed change device.
The technical solution adopted in the utility model is:
A kind of hydrostatic stepless speed change device, turns including housing, cover plate, swash plate, control assembly, pump rotor assemblies, motor
Sub-component, high pressure kicks valve module, check valve a assembly, check valve b assembly and supply valve, described swash plate, control assembly, pump turn
Sub-component, motor rotor assembly, high pressure kicks valve module, check valve a assembly, check valve b assembly and supply valve are all arranged on institute
Stating enclosure interior, described cover plate is arranged on the bottom of described housing；
Described pump rotor assemblies includes pump shaft, motor rotor, pump oil distribution casing, plunger spring a, deep groove ball bearing a and back-up ring
A, described pump shaft is multidiameter, and one end is inserted on described cover plate, and the other end is inserted on the housing；
Described motor rotor assembly include motor drive shaft, motor rotor, motor food tray, plunger spring b, deep groove ball bearing b and
Back-up ring b, described motor rotor modular construction is identical with described pump rotor assemblies structure, and described motor drive shaft is shorter than pump shaft；
Described high pressure kicks valve module includes valve body a, spool a, valve gap a, stage clip, O a and nylon back-up ring, described valve
Core a is arranged on inside described valve body a, and the bottom of described spool a is provided with stage clip, and described valve gap a pushes down described stage clip, is sleeved on institute
State on valve body a；
Described check valve a assembly is identical with check valve b modular construction, including spool b, valve body b, spring b and O b, institute
It is provided with oil through in stating the spool b of check valve a；
Described supply valve includes that spool c and spring c, one end of described spring c are connected with described spool c, and the other end is tight
Press described housing；
Described housing is provided with the input hole on described pump shaft correspondence position, and described pump shaft passes input hole；
Its innovative point is: described cover plate is provided with the pump shaft hole corresponding with described pump shaft and motor drive shaft and motor drive shaft
Hole, described pump shaft hole and motor shaft aperture are provided with lubricating arrangement, are provided with hole a outside described pump shaft hole, and holes a communicates, and described two
Between a of hole, the place of communicating has replenishment pump fuel feed hole, and the both sides of described replenishment pump fuel feed hole have symmetrical hole b, described hole b
Communicating with hole a, the outside of described motor shaft aperture is provided with hole c, and described hole b symmetric position is provided with hole d, described hole d and communicates with hole c,
The inside of described cover plate is provided with oil groove, and described oil groove is divided into arc oil groove and straight line oil groove, and described arc oil groove is positioned at described pump
Axis hole and the both sides of the motor shaft aperture line of centres, and communicate with described hole a and hole c, described straight line oil groove is by described arc oil groove
Communicating, the spacing between described straight line oil groove is 10～20mm.
Further, described lubricating arrangement is formed in one structure by base and axle sleeve, the center of described base and axle sleeve
Position has axis hole, and described axle sleeve is cylindrical structure, has ring-type U-lag, be provided with in described U-lag in described cylinder
Steel ball.
Further, the front position of the spool a of described high pressure kicks valve module is provided with oil-out.
Further, the spacing between described straight line oil groove is 15mm.
The beneficial effects of the utility model are as follows:
1) this utility model is rational in infrastructure, simple operation, cost are relatively low, is beneficial to maintenance, increases the service life, can be bright
Aobvious raising work efficiency.
2) this utility model uses lubricating arrangement, can substantially increase the job stability of pump shaft and motor drive shaft, improves work
Efficiency.
3) front position of the spool a of this utility model high pressure kicks valve module is provided with oil-out, leakage that can be suitable
Oil out, reduces sensitivity.
4) oil groove of the present utility model uses and more reasonably designs so that hydraulic oil operating is more efficient, and utilization rate is more
High.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the side sectional view of the hydrostatic stepless speed change device of this utility model.
Fig. 2 is the top view of the hydrostatic stepless speed change device of this utility model.
Fig. 3 is the cover plate sectional view of the hydrostatic stepless speed change device of this utility model.
Detailed description of the invention
The hydrostatic stepless speed change device of one as shown in Figure 1, Figure 2, Figure 3 shows, including housing 1, cover plate 2, swash plate 3, controls
Assembly 4, pump rotor assemblies 5, motor rotor assembly 6, high pressure kicks valve module 7, check valve a assembly 8, check valve b assembly 9 and benefit
To valve 10, described swash plate 3, control assembly 4, pump rotor assemblies 5, motor rotor assembly 6, high pressure kicks valve module 7, check valve a
It is internal that assembly 8, check valve b assembly 9 and supply valve 10 are all arranged on described housing 1, and described cover plate 2 is arranged on described housing 1
Bottom；
Pump rotor assemblies 5 includes pump shaft 51, motor rotor 52, pump oil distribution casing 53, plunger spring a54, zanjon as described in Figure 1
Ball bearing a55 and back-up ring a56, described pump shaft 51 is multidiameter, and one end is inserted on described cover plate 2, and the other end is inserted in described housing 1
On；
As described in Figure 1 motor rotor assembly 6 include motor drive shaft 61, motor rotor 62, motor food tray 63, plunger spring b64,
Deep groove ball bearing b65 and back-up ring b66, described motor rotor assembly 6 structure is identical with described pump rotor assemblies 5 structure, described horse
Reach axle 61 and be shorter than pump shaft 51；
As described in Figure 3 high pressure kicks valve module 7 include valve body a71, spool a72, valve gap a73, stage clip 74, O a75 and
Nylon back-up ring 76, described spool a72 is arranged on inside described valve body a71, and the bottom of described spool 72a is provided with stage clip 74, described
Valve gap a73 pushes down described stage clip 74, is sleeved on described valve body a71；
Check valve a assembly 8 is identical with check valve b assembly 9 structure as described in Figure 3, including spool b81, valve body b82, spring
B83 and O b84, is provided with oil through 85 in the spool b81 of described check valve a；
Supply valve 10 includes spool c101 and spring c102, one end of described spring c102 and described spool as described in Figure 1
C101 is connected, and the other end presses described housing 1；
Housing is provided with the input hole 11 on described pump shaft 51 correspondence position as described in Figure 2, and described pump shaft 51 is through input
Hole 11；
Cover plate 2 is provided with the pump shaft hole 21 corresponding with described pump shaft 51 and motor drive shaft 61 and motor shaft aperture as described in Figure 3
22, described pump shaft hole 21 is provided with lubricating arrangement 23 with motor shaft aperture 22, is provided with hole a24, holes a24 outside described pump shaft hole 21
Communicating, between described holes a24, the place of communicating has replenishment pump fuel feed hole 25, and the both sides of described replenishment pump fuel feed hole 25 have symmetry
The hole b26, described hole b26 of distribution communicate with hole a24, and it is symmetrical that the outside of described motor shaft aperture 22 is provided with hole c27, described hole b26
Position is provided with hole d28, described hole d28 and communicates with hole c27, and the inside of described cover plate 2 is provided with oil groove, and described oil groove is divided into arc oil
Groove 29 and straight line oil groove 291, described arc oil groove 29 is positioned at described pump shaft hole 21 and the both sides of motor shaft aperture 22 line of centres, and
Communicating with described hole a24 and hole c27, described arc oil groove 29 is communicated by described straight line oil groove 291, described straight line oil groove
Spacing between 291 is 10～20mm；Described lubricating arrangement 23 is formed in one structure by base and axle sleeve, described base and axle
The center position of set has axis hole, and described axle sleeve is cylindrical structure, has ring-type U-lag, described U-shaped in described cylinder
Groove is provided with steel ball 231；The front position of the spool a71 of described high pressure kicks valve module 7 is provided with oil-out 711.
Operation principle of the present utility model is:
Under the driving of external motor, motor drive shaft 61 rotates, and by hydraulic oil sucking-off in the oil groove of side, and is expressed to another
Side, now, the both sides oil pressure of pump shaft 51, pump shaft 51 being rotated by hydraulic oil, formed and export, and arc oil groove
29 form recycling of hydraulic oil with straight line oil groove 291；When single angle is the same, oil-feed and fuel-displaced be 1:1 in theory,
Upper shaft angle is the biggest, and lower axle is discharged the biggest, thus improves working efficiency.
The above is preferred implementation of the present utility model, it is impossible to limit the right model of this utility model with this
Enclose.It should be pointed out that, for those skilled in the art, the technical solution of the utility model is modified or
Person's equivalent, without departure from protection domain of the present utility model.
Claims (4)
1. a hydrostatic stepless speed change device, including housing, cover plate, swash plate, control assembly, pump rotor assemblies, motor rotor
Assembly, high pressure kicks valve module, check valve a assembly, check valve b assembly and supply valve, described swash plate, control assembly, pump rotor
Assembly, motor rotor assembly, high pressure kicks valve module, check valve a assembly, check valve b assembly and supply valve are all arranged on described
Enclosure interior, described cover plate is arranged on the bottom of described housing；
Described pump rotor assemblies includes pump shaft, motor rotor, pump oil distribution casing, plunger spring a, deep groove ball bearing a and back-up ring a, institute
Stating pump shaft is multidiameter, and one end is inserted on described cover plate, and the other end is inserted on the housing；
Described motor rotor assembly includes motor drive shaft, motor rotor, motor food tray, plunger spring b, deep groove ball bearing b and back-up ring
B, described motor rotor modular construction is identical with described pump rotor assemblies structure, and described motor drive shaft is shorter than pump shaft；
Described high pressure kicks valve module includes valve body a, spool a, valve gap a, stage clip, O a and nylon back-up ring, and described spool a pacifies
Being contained in inside described valve body a, the bottom of described spool a is provided with stage clip, and described valve gap a pushes down described stage clip, is sleeved on described valve
On body a；
Described check valve a assembly is identical with check valve b modular construction, including spool b, valve body b, spring b and O b, described list
It is provided with oil through in the spool b of valve a；
Described supply valve includes that spool c and spring c, one end of described spring c are connected with described spool c, and the other end presses institute
State housing；
Described housing is provided with the input hole on described pump shaft correspondence position, and described pump shaft passes input hole；
It is characterized in that: described cover plate is provided with the pump shaft hole corresponding with described pump shaft and motor drive shaft and motor shaft aperture, described
Pump shaft hole and motor shaft aperture are provided with lubricating arrangement, are provided with hole a outside described pump shaft hole, and holes a communicates, between described holes a
The place of communicating has replenishment pump fuel feed hole, and the both sides of described replenishment pump fuel feed hole have symmetrical hole b, described hole b and hole a phase
Logical, the outside of described motor shaft aperture is provided with hole c, and described hole b symmetric position is provided with hole d, described hole d and communicates with hole c, described cover plate
Inside be provided with oil groove, described oil groove is divided into arc oil groove and straight line oil groove, and described arc oil groove is positioned at described pump shaft hole and horse
Reaching the both sides of the axis hole line of centres, and communicate with described hole a and hole c, described arc oil groove is communicated by described straight line oil groove,
Spacing between described straight line oil groove is 10～20mm.
The hydrostatic stepless speed change device of one the most according to claim 1, it is characterised in that: described lubricating arrangement is base
And axle sleeve integrated formed structure, described base has axis hole with the center position of axle sleeve, and described axle sleeve is cylindrical structure, institute
Have ring-type U-lag in stating cylinder, described U-lag is provided with steel ball.
The hydrostatic stepless speed change device of one the most according to claim 1, it is characterised in that: described high pressure kicks valve module
The front position of spool a be provided with oil-out.
The hydrostatic stepless speed change device of one the most according to claim 1, it is characterised in that: between described straight line oil groove
Spacing is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029129.XU CN205559720U (en) | 2016-01-13 | 2016-01-13 | Hydrostatic infinitely variable speed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029129.XU CN205559720U (en) | 2016-01-13 | 2016-01-13 | Hydrostatic infinitely variable speed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559720U true CN205559720U (en) | 2016-09-07 |
Family
ID=56823972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620029129.XU Active CN205559720U (en) | 2016-01-13 | 2016-01-13 | Hydrostatic infinitely variable speed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570421A (en) * | 2016-01-13 | 2016-05-11 | 南通爱慕希机械股份有限公司 | Hydrostatic stepless speed change device |
| CN107013407A (en) * | 2017-06-06 | 2017-08-04 | 中国北方车辆研究所 | A kind of conjuncted hydraulic pump motor main casing support and lubrication system |
-
2016
- 2016-01-13 CN CN201620029129.XU patent/CN205559720U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570421A (en) * | 2016-01-13 | 2016-05-11 | 南通爱慕希机械股份有限公司 | Hydrostatic stepless speed change device |
| CN105570421B (en) * | 2016-01-13 | 2024-04-16 | 南通爱慕希机械股份有限公司 | Hydrostatic stepless speed change device |
| CN107013407A (en) * | 2017-06-06 | 2017-08-04 | 中国北方车辆研究所 | A kind of conjuncted hydraulic pump motor main casing support and lubrication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 226010, 1, 19 East New Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu Patentee after: NANTONG AMC MACHINERY CO., LTD. Address before: 226000, 1, 19 East Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: NANTONG AMC MACHINERY CO., LTD. |
|
| CP02 | Change in the address of a patent holder |