CN217713544U - Rear-drive two-oil-way TC hydraulic system - Google Patents
Rear-drive two-oil-way TC hydraulic system Download PDFInfo
- Publication number
- CN217713544U CN217713544U CN202221532599.XU CN202221532599U CN217713544U CN 217713544 U CN217713544 U CN 217713544U CN 202221532599 U CN202221532599 U CN 202221532599U CN 217713544 U CN217713544 U CN 217713544U
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- oil way
- way
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Fluid Gearings (AREA)
Abstract
A rear-drive two-oil-way TC hydraulic system belongs to the technical field of hydraulic oil ways of automatic transmissions. The mechanical pump is communicated with a main oil way, the mechanical pump is respectively communicated with a main pressure regulating valve, a pressure limiting valve and a locking clutch valve through a first oil way, the main pressure regulating valve is communicated with a TC regulating valve through a first oil way, the pressure limiting valve is respectively communicated with a control valve mechanism, the TC regulating valve and the main pressure regulating valve through a second oil way, the control valve mechanism is communicated with a TC control valve through a third oil way, the control valve mechanism is communicated with the locking clutch valve through a fourth oil way, the TC control valve is communicated with the TC regulating valve through a fifth oil way, an actuator mechanism is arranged on the fifth oil way, the TC control valve is communicated with a cooler through a sixth oil way, the TC control valve is communicated with a hydraulic torque converter through a seventh oil way, a sixth oil way is communicated with a ninth oil way through an eighth oil way, and the ninth oil way is respectively communicated with the locking clutch valve and the hydraulic torque converter. The utility model discloses a hydraulic system is difficult for causing the damage to lock-up clutch and torque converter.
Description
Technical Field
The utility model belongs to the technical field of automatic gearbox hydraulic pressure oil circuit, concretely relates to two oil circuit TC hydraulic systems of rear-guard.
Background
A Torque Converter (TC), also called a "hydrodynamic torque converter", is a component for transmitting power by means of high-speed movement of fluid, and is commonly used as a torque transmission between an engine and a transmission of an automobile because of its functions of stepless speed change and torque conversion. Its locking and non-locking operating mode supply the oil pressure through hydraulic circuit and realize, but pressure can not be too high, otherwise can cause the locking clutch to combine to produce the abnormal sound, easily causes the damage.
For a transmission with large bearing torque, a hydraulic system in the transmission needs to have high oil pressure to realize quick cooling circulation of hydraulic oil, and the high oil pressure can damage the torque converter, so that the torque converter can be damaged no matter the torque converter is in a locked state or an unlocked state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two oil circuit TC hydraulic system of rear-guard for solving the higher problem that easily causes the damage to lock-up clutch and torque converter of hydraulic circuit pressure.
1. A TC regulating valve and an oil way connected with the TC regulating valve are adopted to form a pressure limiting oil way to convert high main oil pressure into low main oil pressure so as to protect the hydraulic torque converter.
2. A part of the low-pressure hydraulic oil passing through the TC regulating valve flows to the actuator mechanism which does not work to achieve the purpose of pre-charging oil, so that the quick response of the locking clutch is achieved, and the phenomenon that the oil pressure drops when the main oil pressure is supplied to the locking clutch is reduced.
3. The hydraulic oil direction under the working conditions of direct connection and non-direct connection is controlled through an oil way connected with the locking clutch valve and the TC control valve, the oil pressure of a No. nine oil way connected with the DA port is guaranteed to act on the locking clutch, and the switching is realized through a simple control valve mechanism.
Realize above-mentioned purpose, the utility model discloses the technical scheme who takes as follows:
a rear-drive two-oil-way TC hydraulic system comprises an oil filter of an oil pan, a mechanical pump, a main pressure regulating valve, a pressure limiting valve, a TC regulating valve, an actuator mechanism, a TC control valve, a cooler, a control valve mechanism, a lock-up clutch valve, a hydraulic torque converter, an oil way I, an oil way II, an oil way III, an oil way IV, an oil way V, an oil way VI, an oil way VII, an oil way VIII and an oil way VII;
the inlet of the mechanical pump is communicated with a main oil path through an oil pan oil filter, the outlet of the mechanical pump is respectively communicated with the inlet I of a main pressure regulating valve, the inlet I of a pressure limiting valve and the inlet I of a locking clutch valve through an oil path I, the outlet I of the main pressure regulating valve is communicated with the inlet I of a TC regulating valve through an oil path I, the outlet of the pressure limiting valve is respectively communicated with the inlet of a control valve mechanism, the inlet II of the TC regulating valve and the inlet II of the main pressure regulating valve through an oil path II, the outlet I of the control valve mechanism is communicated with the inlet I of the TC control valve through an oil path III, the outlet II of the control valve mechanism is communicated with the inlet II of the locking clutch valve through an oil path IV, the inlet II of the TC control valve is communicated with the outlet of the TC regulating valve through an oil path V, an actuator mechanism is arranged on the oil path V, the outlet II of the TC control valve is communicated with the inlet of a cooler through an oil path VI, the outlet I of the TC control valve is communicated with a DR port of a hydraulic torque converter through an oil path III, the oil path III is communicated with the inlet of the hydraulic torque converter through an oil path VIII, and the oil path III.
Further, the back-driving two-oil-way TC hydraulic system further comprises three spring type single-way valves, wherein the three spring type single-way valves are a first spring type single-way valve, a second spring type single-way valve and a third spring type single-way valve respectively;
the first spring type single valve is arranged on the fifth oil way and is close to the actuator mechanism, the second spring type single valve is arranged on the sixth oil way, the third spring type single valve is arranged on the tenth oil way, and the tenth oil way is communicated with an outlet of the locking clutch valve.
Furthermore, a filter screen is arranged on the first oil way and is positioned between the main pressure regulating valve and the TC regulating valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a TC hydraulic system has simple structure, characteristics such as reasonable in design, the utility model discloses a TC hydraulic system is when high-pressure mode, and non-tie operating mode hydraulic oil gets into the cooler through hydraulic torque converter earlier again, and hydraulic oil tie gives locking clutch pressure under the tie operating mode, reduces the oil circuit and arranges, and reduction solenoid valve and case use subtract heavy, practice thrift the cost. The locking clutch valve carries out secondary guarantee and slows down pressure shake for locking clutch pressure through No. nine oil circuits and DA mouth under the straight knot operating mode, has solved the problem that hydraulic pressure oil circuit pressure is higher easily to cause the damage to locking clutch and torque converter.
Drawings
Fig. 1 is the utility model discloses a two oil circuit TC hydraulic system of rear-guard structure sketch map.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, rather than the whole embodiment, and all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiment of the present invention.
The first specific implementation way is as follows: as shown in fig. 1, a rear-drive two-oil-way TC hydraulic system includes an oil pan oil filter a, a mechanical pump b, a main pressure regulating valve c, a pressure limiting valve d, a TC regulating valve e, an actuator mechanism f, a TC control valve g, a cooler h, a control valve mechanism i, a lock-up clutch valve j, a hydraulic torque converter k, a first oil way 1, a second oil way 2a, a third oil way 2b1, a fourth oil way 2b2, a fifth oil way 3a, a sixth oil way 3b, a seventh oil way 3c, an eighth oil way 3d, and a ninth oil way 3e;
an inlet of a mechanical pump b is communicated with a main oil way through an oil pan oil filter a, an outlet of the mechanical pump b is respectively communicated with a first inlet of a main pressure regulating valve c (establishing oil pressure of the whole oil way), an inlet of a pressure limiting valve d (playing a role in limiting pressure) and a first inlet of a locking clutch valve j through a first oil way 1, a first outlet of the main pressure regulating valve c is communicated with a first inlet of a TC regulating valve e through a first oil way 1, an outlet of the pressure limiting valve d is respectively communicated with a second inlet of a control valve mechanism i, a second inlet of the TC regulating valve e and a second inlet of the main pressure regulating valve c through a second oil way 2a, a first outlet of the control valve mechanism i is communicated with a first inlet of a TC control valve g through a third oil way 2b1, a second outlet of the control valve mechanism i is communicated with a second inlet of the locking clutch valve j through a fourth oil way 2b2, a second inlet of the TC control valve g is communicated with an outlet of the TC regulating valve e through a fifth oil way 3a fifth oil way, an outlet of the TC control valve g is communicated with a ninth oil way 3c through a ninth oil way 3b, and an outlet of a ninth oil way 3c of a hydraulic torque converter 3c, and a ninth oil way 3c are respectively communicated with an inlet of a ninth oil way 3 d.
The rear-drive two-oil-way TC hydraulic system further comprises three spring type single valves, wherein the three spring type single valves are a spring type single valve I, a spring type single valve II and a spring type single valve III respectively;
the first spring type single valve p is arranged on the fifth oil way 3a and is close to the actuator mechanism f, the second spring type single valve m is arranged on the sixth oil way 3b, the third spring type single valve n is arranged on the tenth oil way 4, and the tenth oil way 4 is communicated with an outlet of the locking clutch valve j.
And a filter screen r is arranged on the first oil way 1 and is positioned between the main pressure regulating valve c and the TC regulating valve e.
The control method of the rear-drive two-oil-way TC hydraulic system comprises the following steps:
the hydraulic oil of the main oil way is pumped into the first oil way 1 of the hydraulic system through the mechanical pump b, enters the pressure limiting valve d after the main oil pressure is established through the main pressure regulating valve c (the main pressure regulating valve c is used for establishing the oil pressure, and the pressure limiting valve d is used for limiting the oil pressure), at the moment, the first inlet of the locking clutch valve j and the second inlet of the main pressure regulating valve c are closed, the hydraulic oil enters the TC regulating valve e through the second oil way 2a, and the high oil pressure is limited to be low oil pressure through the TC regulating valve e;
when the working condition is a non-direct-connection working condition, the first inlet of the control valve mechanism i is closed, so that hydraulic oil from the second oil way 2a to the third oil way 2b1 is blocked, the second outlet of the TC control valve g is closed, the hydraulic oil enters the TC control valve g from the outlet of the TC regulating valve e through the fifth oil way 3a and the second inlet of the TC control valve g, the hydraulic oil flows out through the first outlet of the TC control valve g and enters the hydraulic torque converter k through the seventh oil way 3c and the DR port of the hydraulic torque converter k, and the hydraulic oil flows out through the DA port of the hydraulic torque converter k and enters the cooler h for cooling through the eighth oil way 3d and the sixth oil way 3 b; the locking clutch of the hydraulic torque converter k is separated, and the hydraulic torque converter k plays a hydraulic transmission role at the moment;
when the working condition is a straight-junction working condition, the inlet of the control valve mechanism i is opened, so that the second oil way 2a is communicated with the fourth oil way 2b2 (the hydraulic oil pushes the lock-up clutch valve j to act) through the first outlet of the control valve mechanism i, and the second oil way 2a is communicated with the third oil way 2b1 through the second outlet of the control valve mechanism i, so that the hydraulic oil pushes the TC control valve g to act; the locking clutch valve j and the TC control valve g overcome the self spring force respectively, at the moment, hydraulic oil enters the cooler h for cooling and lubrication through the fifth oil path 3a (the hydraulic oil passes through the TC regulating valve g from the first oil path 1) and the sixth oil path 3b (the fifth oil path 3a is communicated with the sixth oil path 3 b), at the moment, the oil pressure of the ninth oil path 3e acts with each end face of the valve core through the spring force of the locking clutch valve j to achieve force balance, the on-off of the first oil path 1 and the ninth oil path 3e is adjusted, and the oil pressure of the ninth oil path 3e is controlled to ensure that the pressure applied to the locking clutch (the locking clutch is a component in the hydraulic torque converter k and is disengaged to control hydraulic transmission or direct mechanical transmission) under a direct working condition is achieved, the locking clutch of the hydraulic torque converter k is engaged, and an input shaft and an output shaft of the hydraulic torque converter k are rigidly connected, namely, and the direct mechanical transmission is converted.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that the invention can be implemented in other forms without deviating from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (3)
1. The utility model provides a two oil circuit TC hydraulic systems of rear-guard which characterized in that: the hydraulic oil filter comprises an oil disc oil filter (a), a mechanical pump (b), a main pressure regulating valve (c), a pressure limiting valve (d), a TC regulating valve (e), an actuator mechanism (f), a TC control valve (g), a cooler (h), a control valve mechanism (i), a locking clutch valve (j), a hydraulic torque converter (k), a first oil way (1), a second oil way (2 a), a third oil way (2 b 1), a fourth oil way (2 b 2), a fifth oil way (3 a), a sixth oil way (3 b), a seventh oil way (3 c), an eighth oil way (3 d) and a ninth oil way (3 e);
an inlet of a mechanical pump (b) is communicated with a main oil way through an oil pan oil filter (a), an outlet of the mechanical pump (b) is respectively communicated with a first inlet of a main pressure regulating valve (c), an inlet of a pressure limiting valve (d) and a first inlet of a locking clutch valve (j) through a first oil way (1), a first outlet of the main pressure regulating valve (c) is communicated with a first inlet of a TC regulating valve (e) through a first oil way (1), an outlet of the pressure limiting valve (d) is respectively communicated with an inlet of a control valve mechanism (i), a second inlet of the TC regulating valve (e) and a second inlet of the main pressure regulating valve (c) through a second oil way (2 a), a first outlet of the control valve mechanism (i) is communicated with a first inlet of a TC control valve (g) through a third oil way (2 b 1), a second outlet of the control valve mechanism (i) is communicated with a second inlet of the locking clutch valve (j) through a fourth oil way (2 b 2), a second inlet of the TC control valve mechanism (i) is communicated with a second inlet of the locking clutch valve (j) through a fifth oil way (3 a), an outlet of a sixth oil way (3 b) of a fifth regulating valve (e) is communicated with a sixth oil way (3 b) of a hydraulic control valve mechanism (3 b), an outlet of a hydraulic control valve mechanism (c) is communicated with a hydraulic control actuator (c) through a sixth oil way (3 b), and an oil way (c) and an outlet of a hydraulic converter (c) and a hydraulic control mechanism (c) through a seventh oil way (3 b), and an oil way (3 b), and the ninth oil passage (3 e) is respectively communicated with an inlet III of the locking clutch valve (j) and a DA port of the hydraulic torque converter (k).
2. The rear-drive two-oil-way TC hydraulic system as claimed in claim 1, characterized in that: the rear-drive two-oil-way TC hydraulic system further comprises three spring type single valves, wherein the three spring type single valves are a spring type single valve I (p), a spring type single valve II (m) and a spring type single valve III (n) respectively;
the first spring type single valve (p) is arranged on the fifth oil way (3 a) and is close to the actuator mechanism (f), the second spring type single valve (m) is arranged on the sixth oil way (3 b), the third spring type single valve (n) is arranged on the tenth oil way (4), and the tenth oil way (4) is communicated with an outlet of the locking clutch valve (j).
3. The rear-drive two-oil-way TC hydraulic system as claimed in claim 1, characterized in that: a filter screen (r) is arranged on the first oil way (1) and is positioned between the main pressure regulating valve (c) and the TC regulating valve (e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532599.XU CN217713544U (en) | 2022-06-17 | 2022-06-17 | Rear-drive two-oil-way TC hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532599.XU CN217713544U (en) | 2022-06-17 | 2022-06-17 | Rear-drive two-oil-way TC hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713544U true CN217713544U (en) | 2022-11-01 |
Family
ID=83801644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221532599.XU Active CN217713544U (en) | 2022-06-17 | 2022-06-17 | Rear-drive two-oil-way TC hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059746A (en) * | 2022-06-17 | 2022-09-16 | 哈尔滨东安汽车发动机制造有限公司 | Rear-drive two-oil-way TC hydraulic system and control method |
-
2022
- 2022-06-17 CN CN202221532599.XU patent/CN217713544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059746A (en) * | 2022-06-17 | 2022-09-16 | 哈尔滨东安汽车发动机制造有限公司 | Rear-drive two-oil-way TC hydraulic system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5602860B2 (en) | Hydraulic control device for hybrid transmission | |
| CN107061723A (en) | A kind of hydraulic control system of automatic speed changer | |
| SE515747C2 (en) | Hydraulic control system for a vehicle transmission | |
| CN217713544U (en) | Rear-drive two-oil-way TC hydraulic system | |
| CN101551010B (en) | Hydraulic clutch control system | |
| CN110319181A (en) | A kind of hydraulic gear-shifting and cooling and lubricating system for hybrid power gearbox | |
| CN101705995A (en) | Hydraulic control device of automatic transmission | |
| CN110486457B (en) | Locking and cooling lubrication hydraulic system of heavy type hydraulic automatic transmission | |
| CN112112955A (en) | Hydraulic control system and hybrid transmission case | |
| US5069087A (en) | Clutch changeover circuit for non-stage transmission | |
| JPS62297567A (en) | Operation control method of fluid torque converter clutch for transmission of vehicle | |
| CN110469663A (en) | A kind of transmission hydraulic control system and vehicle | |
| CN206845874U (en) | A kind of hydraulic control system of automatic speed changer | |
| WO2024051800A1 (en) | Hydraulic system for hybrid gearbox, and automobile | |
| JP5668870B2 (en) | Hydraulic control device | |
| CN109751409A (en) | Hydraulic control system with four main pressure regulators | |
| CN115059746A (en) | Rear-drive two-oil-way TC hydraulic system and control method | |
| CN102913614A (en) | Hydraulic control system of automatic gearshift automobile transmission | |
| CN111853228B (en) | Hydraulic control system of automatic transmission | |
| CN209688024U (en) | A kind of automatic transmission | |
| CN109268467B (en) | Automatic transmission | |
| CN113639037B (en) | Transmission hydraulic system and engineering machinery | |
| CN202851930U (en) | Hydraulic control system for gearbox of automatic-transmission automobile | |
| CN220668347U (en) | Energy-saving speed-regulating hydraulic system of transmission, transmission and engineering machinery | |
| CN213871074U (en) | Hydraulic control system and hybrid transmission case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |