CN202194975U - Clutch control system and mechanical road roller adopting same - Google Patents
Clutch control system and mechanical road roller adopting same Download PDFInfo
- Publication number
- CN202194975U CN202194975U CN2011203011349U CN201120301134U CN202194975U CN 202194975 U CN202194975 U CN 202194975U CN 2011203011349 U CN2011203011349 U CN 2011203011349U CN 201120301134 U CN201120301134 U CN 201120301134U CN 202194975 U CN202194975 U CN 202194975U
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- valve
- clutch
- oil cylinder
- control switch
- automatic control
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model provides a clutch control system and a mechanical road roller adopting the clutch control system. The clutch control system comprises an energy accumulator, a first automatic control switch valve connected with the energy accumulator, a flow control valve connected with the first automatic control switch valve, a clutch control oil cylinder connected with the flow control valve and a second automatic control switch valve connected with the first automatic control switch valve and the flow control valve. When the first automatic control switch valve is powered on, hydraulic oil flows in the clutch control oil cylinder through the energy accumulator, the first automatic control switch valve and the flow control valve; and when the second automatic control switch valve is powered on, the hydraulic oil flows back from the clutch control oil cylinder through the flow control valve and the second automatic control switch valve. The flow control valve has the effect of flow limitation and can enable the mechanical road roller to automatically perform slow acceleration start, thereby reducing labor intensity of drivers.
Description
Technical field
The utility model relates to a kind of clutch control system and uses the mechanical type road roller of this clutch control system.
Background technique
At present; Need control clutch during the walking of mechanical type road roller; Be generally hydraulic control, air pressure assisted mode is handled; Embodiment is: the foot treadle through being installed in operator cabin is stepped on small oil tank, again hydraulic pressure is reached the clutch booster that is installed on the gearbox.Clutch booster is made up of oil cylinder and cylinder two-part; Oil cylinder is connected through oil pipe with the operator cabin small oil tank; Cylinder is connected with gas holder on being installed in the mechanical type road roller, and the cylinder internal air pressure increases along with oil cylinder stroke, under the acting in conjunction of oil pressure and air pressure, clutch is separated.Yet mainly there is following problem points in this control mode:
1, the mechanical type road roller needs the round road pavement of short distance to roll, and clutch pedal is handled frequent, need slowly unclamp clutch pedal when particularly starting to walk, and the mechanical type road roller is slowly quickened, driver's easy fatigue;
Need slow loosen the clutch when 2, starting to walk, otherwise machine can produce impact, driver's level required high;
3, if the driver is improper to clutch operating, can the inner member of mechanical type road roller be impacted like clutch, gearbox, bearing etc., thereby reduced the reliability of inner member.
Therefore, design a kind of clutch control system that the clutch automatic slowly is combined and make the mechanical type road roller quicken starting automatically, thereby reduce driver's labor intensity, reduce the suffered impact force of mechanical type road roller inner member and become the problem of needing solution badly.
The model utility content
In order to overcome the above-mentioned defective and the deficiency of existing technology; The purpose of the utility model is to provide a kind of clutch control system; Comprise accumulator, the first automatic control switch valve that is connected with said accumulator, the flow control valve that is connected with the said first automatic control switch valve, the clutch manipulation oil cylinder that is connected with said flow control valve, the second automatic control switch valve that is connected with said first automatic control switch valve and said flow control valve; When the said first automatic control switch valve gets when electric, hydraulic oil flows into said clutch through said accumulator, the first automatic control switch valve and flow control valve and handles in the oil cylinder; When the second automatic control switch valve gets when electric, hydraulic oil is handled the oil cylinder from clutch and is refluxed through the said flow control valve and the second automatic control switch valve.
Preferably; Said flow control valve comprises one-way valve and damping hole; Said one-way valve is handled oil cylinder with said first automatic control switch valve and said clutch respectively and is connected; Said damping hole and the said second automatic control switch valve, clutch are handled oil cylinder and are connected, and when the said first automatic control switch valve gets when electric, hydraulic oil flows into said clutch through said accumulator, the first automatic control switch valve and one-way valve and handles in the oil cylinder; When the second automatic control switch valve gets when electric, hydraulic oil is handled the oil cylinder from clutch and is refluxed through the said damping hole and the second automatic control switch valve.
Preferably, said damping hole is the adjustable damping hole of flow.
Preferably, said flow control valve is a unidirectional series flow control valve.
Preferably; Said clutch control system also comprises treadle valve and the 3rd automatic control switch valve; One end of the 3rd automatic control switch valve is connected with said treadle valve, and the other end is handled oil cylinder with said clutch and is connected, when said the 3rd automatic control switch valve gets; When the first automatic control switch valve, the second automatic control switch valve dead electricity, the hydraulic oil in the said treadle valve is gone into said clutch through said the 3rd automatic control switch valve flow and is handled in the oil cylinder.
Preferably; Said clutch control system also comprises the sensor that is arranged at said clutch manipulation oil cylinder one end; Said sensor is used for the said clutch of sensing and handles the stroke or the pressure of oil cylinder, and then controls the electric and dead electricity that gets of the said first automatic control switch valve and the second automatic control switch valve.
Preferably; Said clutch control system also comprises the sensor that is arranged at said treadle valve one end; Said sensor is used for the stroke or the pressure of sensing treadle valve, and then controls the electric and dead electricity that gets of the said first automatic control switch valve, the second automatic control switch valve and the 3rd automatic control switch valve.
The utility model also provides a kind of clutch control system; Oil cylinder is handled in flow control valve that comprise treadle valve, is connected with said treadle valve and the clutch that is connected with said flow control valve; When stepping on said treadle valve, hydraulic oil flows into said clutch through said flow control valve and handles in the oil cylinder; When releasing the pedal valve, hydraulic oil is handled the oil cylinder from clutch and is refluxed through said flow control valve.
Preferably; Said flow control valve comprises one-way valve and damping hole; Said one-way valve and damping hole are handled oil cylinder with said treadle valve and said clutch respectively and are connected, and when stepping on said treadle valve, hydraulic oil flows into said clutch through said one-way valve and handles in the oil cylinder; When releasing the pedal valve, hydraulic oil is handled the oil cylinder from clutch and is refluxed through said damping hole.
Preferably, said damping hole is the adjustable damping hole of flow.
Preferably, said flow control valve is a unidirectional series flow control valve.
The utility model also provides a kind of mechanical type road roller of using above-mentioned clutch control system.
Be provided with flow control valve in the clutch control system that the utility model provided, this flow control valve plays the effect of current limliting, can make the mechanical type road roller quicken starting automatically slowly, thereby reduces driver's labor intensity.
Description of drawings
Shown in Figure 1 is the hydraulic principle schematic representation of the clutch control system of the utility model first preferred embodiment.
Shown in Figure 2 is the hydraulic principle schematic representation of the clutch control system of the utility model second preferred embodiment.
Shown in Figure 3 is the another kind of alternative structure of flow control valve of the clutch control system of above-mentioned two preferred embodiments of the utility model.
Embodiment
To combine Fig. 1 and Fig. 2 in the utility model preferred embodiment below, the technological scheme among the utility model embodiment will be carried out clear, intactly description.
The utility model provides a kind of clutch control system, and it is used for the mechanical type road roller.See also Fig. 1, the clutch control system of the utility model first preferred embodiment comprises that accumulator 10, the first 2/2-way solenoid valve 11, the second 2/2-way solenoid valve 12, one-way valve 13, damping hole 14, treadle valve 15, first sensor 16, the 3rd 2/2-way solenoid valve 17, clutch handle the oil cylinder 18 and second sensor 19.
The energy of this accumulator 10 is provided to set up pressure stable and to this first 2/2-way solenoid valve 11 hydraulic oil to be provided by the gear pump and the pressure regulator valve that are installed on the motor.
This first 2/2-way solenoid valve 11 be used to control from accumulator 10 flow to this one-way valve 13 hydraulic oil conducting with end.One end of this first 2/2-way solenoid valve 11 is connected with this accumulator 10, and the other end of this first 2/2-way solenoid valve 11 is connected with this second 2/2-way solenoid valve 12, one-way valve 13 and damping hole 14.
One end of this second 2/2-way solenoid valve 12 is connected with a fuel tank and handles the hydraulic oil backflow of oil cylinder 18 to receive this clutch, and the other end of this second 2/2-way solenoid valve 12 is connected with this first 2/2-way solenoid valve 11, one-way valve 13 and damping hole 14.
One end of this one-way valve 13 is connected with this first 2/2-way solenoid valve 11 and the second 2/2-way solenoid valve 12, and its other end is handled oil cylinder 18 with this clutch and is connected.This one-way valve 13 is used to limit the flow direction of hydraulic oil, promptly only makes hydraulic oil flow to this clutch from this accumulator 10 and handles the oil cylinder 18.
One end of this damping hole 14 is connected with this second 2/2-way solenoid valve 12, and its other end is handled oil cylinder 18 with this clutch and is connected.This damping hole 14 is used to control by this clutch handles the flow of oil cylinder 18 to the hydraulic oil of these second 2/2-way solenoid valve, 12 inflows.
This treadle valve 15 comprises pedal 150 and the pedal oil cylinder 151 that is connected with this pedal 150.
This first sensor 16 can be pressure transducer, position transducer etc., and it is arranged at an end of this treadle valve.This first sensor is used for the stroke or the pressure of sensing pedal oil cylinder, so the conducting of controlling this first 2/2-way solenoid valve 11, this second 2/2-way solenoid valve 12 and the 3rd 2/2-way solenoid valve 17 with end.
The 3rd 2/2-way solenoid valve 17 is used to control from this treadle valve 15 and flows to conducting that this clutch handles oil cylinder 18 hydraulic oil and end.One end of the 3rd 2/2-way solenoid valve 17 is connected with this treadle valve 15, and its other end is handled oil cylinder 18 with this clutch and is connected.
This clutch is handled oil cylinder 18 and is connected with the 3rd 2/2-way solenoid valve 17, one-way valve 13 and damping hole 14 respectively.This clutch is handled oil cylinder 18 and is comprised oil cylinder body 180 and be arranged at the upper piston rod 181 in this oil cylinder body 180 versatilely.This piston rod 181 can move in this oil cylinder body 180 under the effect of hydraulic oil, and then the separation of solenoidoperated cluthes and combination.
This second sensor 19 can be pressure transducer, position transducer etc.; It is arranged at the end that oil cylinder 18 is handled in this clutch; It is used for stroke or pressure that oil cylinder 18 is handled in this clutch of sensing, so the conducting of controlling this first 2/2-way solenoid valve 11 and this second 2/2-way solenoid valve 12 with end.
Do detailed explanation in the face of the working procedure of this clutch control system down.
When the driver uses 100 pairs of clutches of this clutch control system and controls automatically; The driver leaves neutral position with the gear handle of mechanical type road roller; This moment, thereby this first 2/2-way solenoid valve 11 got electric conducting, and the hydraulic oil of this accumulator 10 is delivered to an end of this one-way valve 13 through this first 2/2-way solenoid valve 11.This hydraulic oil is through this one-way valve 13 and then flow into this clutch and handle in oil cylinder 18.Thereby this hydraulic oil promotes this piston rod 181 separates clutch so that this piston rod 181 stretches out from this oil cylinder body 180.When clutch thoroughly separated, this second sensor 19 got electric, and simultaneously, the driver carries out engage a gear.When engage a gear is accomplished, these second sensor, 19 these first 2/2-way solenoid valve, 11 dead electricity of control, this second 2/2-way solenoid valve 12 gets electric, and therefore, this first 2/2-way solenoid valve 11 ends, these second 2/2-way solenoid valve, 12 conductings.At this moment, the action that refluxes of hydraulic oil in oil cylinder 18 is handled in this clutch, and promptly hydraulic oil is handled oil cylinder 18 from this clutch and flowed into these damping holes 14, and then from the coupled fuel tank of these second 2/2-way solenoid valve, 12 inflows.Because this damping hole 14 has limited the flow that hydraulic oil refluxes, thereby realized the slow combination of clutch.Therefore, in the process that clutch is controlled automatically, can make the mechanical type road roller carry out quickening automatically slowly starting, to reduce driver's labor intensity.
When the driver used this clutch control system clutch is manually controlled, the driver stepped on this pedal 150, and then the hydraulic oil that promotes in this pedal oil cylinder 151 flows in the 3rd 2/2-way solenoid valve 17.This first sensor 16 sense the pedal oil cylinder stroke or pressure and with the 3rd 2/2-way solenoid valve 17 electric, with this first 2/2-way solenoid valve 11 and this second 2/2-way solenoid valve, 12 dead electricity.Therefore, 17 conductings of the 3rd 2/2-way solenoid valve, and this first 2/2-way solenoid valve 11 and this second 2/2-way solenoid valve 12 end.Hydraulic oil gets into this clutch through the 3rd 2/2-way solenoid valve 17 and handles in the oil cylinder 18.The separation of handling oil cylinder 18 solenoidoperated cluthes by this clutch with combine.Owing to by driver's control, therefore clutch is combined slowly fully.
See also Fig. 2, the clutch control system of the utility model second preferred embodiment comprises treadle valve 15, one-way valve 13, damping hole 14 and clutch manipulation oil cylinder 18.
This treadle valve 15 comprises pedal 150 and the pedal oil cylinder 151 that is connected with this pedal 150.
One end of this one-way valve 13 is connected with this pedal oil cylinder 151, and its other end is handled oil cylinder 18 with this clutch and is connected.This one-way valve 13 is used to limit the flow direction of hydraulic oil, promptly only makes hydraulic oil flow to this clutch from this pedal oil cylinder 151 and handles the oil cylinder 18.
One end of this damping hole 14 is connected with this pedal oil cylinder 151, and its other end is handled oil cylinder 18 with this clutch and is connected.This damping hole 14 is used to control by this clutch handles the flow of oil cylinder 18 to the hydraulic oil of these pedal oil cylinder 151 inflows.
This clutch is handled oil cylinder 18 and is comprised oil cylinder body 180 and be arranged at the upper piston rod 181 in this oil cylinder body 180 versatilely.This piston rod 181 can move in this oil cylinder body 180 under the effect of hydraulic oil, and then the separation of solenoidoperated cluthes and combination.
Do detailed explanation in the face of the working procedure of this clutch control system down.
The driver steps on this pedal 150, and then the hydraulic oil that promotes in this pedal oil cylinder 151 is mobile in this one-way valve 13, and then flows in this clutch manipulation oil cylinder 18.Thereby this hydraulic oil promotes this piston rod 181 separates clutch so that this piston rod 181 stretches out from this oil cylinder body 180.When clutch thoroughly separated, the driver carried out engage a gear.After engage a gear finishes; The driver directly unclamps clutch pedal, and the hydraulic oil that this clutch is handled in the oil cylinder 18 is back to the pedal oil cylinder 151 from this damping hole 14 lentamente, and then clutch slowly engages; Thereby make the mechanical type road roller realize quickening automatically starting; Therefore, can reduce driver's labor intensity, reduce the suffered impact force of mechanical type road roller inner member.
This clutch control system can make the mechanical type road roller carry out quickening automatically slowly starting, has reduced driver's labor intensity, and prevents that effectively the mechanical type road roller from combining its inner member is caused the generation that damages phenomenon because of clutch fast.
Be appreciated that the 2/2- way solenoid valve 11,12,17 in the above-mentioned preferred embodiment of the utility model can adopt the automatic control switch valve of other types to control, for example two-bit triplet solenoid valve, two position four-way solenoid valves etc.
Be appreciated that the damping hole 14 in the above-mentioned preferred embodiment of the utility model also can be the adjustable damping hole of flow.
See also Fig. 3, be appreciated that one-way valve 13, the damping hole 14 in above-mentioned two preferred embodiments can be substituted by flow control valves such as one-way throttle valve or unidirectional series flow control valves 20.
Be appreciated that when if the power that the driver steps on this pedal 150 is not enough to clutch separation this treadle valve 15 or clutch are handled and a hydraulic type or pneumatic-typed clutch power assisting device can be set so that clutch is separated on the oil cylinder 18.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (12)
1. clutch control system; It is characterized in that: comprise accumulator (10), the first automatic control switch valve (11) that is connected with said accumulator (10), the flow control valve that is connected with the said first automatic control switch valve (11), the clutch manipulation oil cylinder (18) that is connected with said flow control valve, the second automatic control switch valve (12) that is connected with said first automatic control switch valve (11) and said flow control valve; When the said first automatic control switch valve (11) when electric, hydraulic oil flows in the said clutch manipulation oil cylinder (18) through said accumulator (10), the first automatic control switch valve (11) and flow control valve; When the second automatic control switch valve (12) when electric, hydraulic oil is handled the oil cylinder (18) from clutch and is refluxed through the said flow control valve and the second automatic control switch valve (12).
2. clutch control system according to claim 1; It is characterized in that: said flow control valve comprises one-way valve (13) and damping hole (14); Said one-way valve (13) is handled oil cylinder (18) with said first automatic control switch valve (11) and said clutch respectively and is connected; Said damping hole (14) is handled oil cylinder (18) with the said second automatic control switch valve (12), clutch and is connected; When the said first automatic control switch valve (11) when electric, hydraulic oil flows in the said clutch manipulation oil cylinder (18) through said accumulator (10), the first automatic control switch valve (11) and one-way valve (13); When the second automatic control switch valve (12) when electric, hydraulic oil is handled the oil cylinder (18) from clutch and is refluxed through the said damping hole (14) and the second automatic control switch valve (12).
3. clutch control system according to claim 2 is characterized in that: said damping hole (14) is the adjustable damping hole of flow.
4. clutch control system according to claim 1 is characterized in that: said flow control valve is a unidirectional series flow control valve (20).
5. according to each described clutch control system among the claim 1-4; It is characterized in that: said clutch control system also comprises treadle valve (15) and the 3rd automatic control switch valve (17); One end of the 3rd automatic control switch valve (17) is connected with said treadle valve (15); The other end is handled oil cylinder (18) with said clutch and is connected; When said the 3rd automatic control switch valve (17) electric, when the first automatic control switch valve (11), second automatic control switch valve (12) dead electricity, the hydraulic oil in the said treadle valve (15) flows in the said clutch manipulation oil cylinder (18) through said the 3rd automatic control switch valve (17).
6. clutch control system according to claim 5; It is characterized in that: said clutch control system also comprises the sensor (19) that is arranged at said clutch manipulation oil cylinder (18) one ends; Said sensor (19) is used for the said clutch of sensing and handles the stroke or the pressure of oil cylinder (18), and then controls the electric and dead electricity that gets of the said first automatic control switch valve (11) and the second automatic control switch valve (12).
7. clutch control system according to claim 5; It is characterized in that: said clutch control system also comprises the sensor (16) that is arranged at said treadle valve (15) one ends; Said sensor (16) is used for the stroke or the pressure of sensing treadle valve (15), and then controls the electric and dead electricity that gets of the said first automatic control switch valve (11), the second automatic control switch valve (12) and the 3rd automatic control switch valve (17).
8. clutch control system; It is characterized in that: oil cylinder (18) is handled in flow control valve that comprise treadle valve (15), is connected with said treadle valve (15) and the clutch that is connected with said flow control valve; When stepping on said treadle valve (15), hydraulic oil flows into said clutch through said flow control valve and handles in the oil cylinder (18); When the valve of releasing the pedal (15), hydraulic oil is handled the oil cylinder (18) from clutch and is refluxed through said flow control valve.
9. clutch control system according to claim 8; It is characterized in that: said flow control valve comprises one-way valve (13) and damping hole (14); Said one-way valve (13) and damping hole (14) are handled oil cylinder (18) with said treadle valve (15) and said clutch respectively and are connected; When stepping on said treadle valve (15), hydraulic oil flows into said clutch through said one-way valve (13) and handles in the oil cylinder (18); When the valve of releasing the pedal (15), hydraulic oil is handled the oil cylinder (18) from clutch and is refluxed through said damping hole (14).
10. clutch control system according to claim 9 is characterized in that: said damping hole (14) is the adjustable damping hole of flow.
11. clutch control system according to claim 8 is characterized in that: said flow control valve is a unidirectional series flow control valve (20).
12. a mechanical type road roller, it comprises clutch control system, it is characterized in that: said clutch control system is each described clutch control system among the claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203011349U CN202194975U (en) | 2011-07-13 | 2011-08-18 | Clutch control system and mechanical road roller adopting same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110195032.8 | 2011-07-13 | ||
| CN201110195032 | 2011-07-13 | ||
| CN2011203011349U CN202194975U (en) | 2011-07-13 | 2011-08-18 | Clutch control system and mechanical road roller adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194975U true CN202194975U (en) | 2012-04-18 |
Family
ID=45576524
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110237435 Expired - Fee Related CN102352895B (en) | 2011-07-13 | 2011-08-18 | Clutch control system and mechanical road roller with same |
| CN2011203011349U Withdrawn - After Issue CN202194975U (en) | 2011-07-13 | 2011-08-18 | Clutch control system and mechanical road roller adopting same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110237435 Expired - Fee Related CN102352895B (en) | 2011-07-13 | 2011-08-18 | Clutch control system and mechanical road roller with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102352895B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352895A (en) * | 2011-07-13 | 2012-02-15 | 三一重工股份有限公司 | Clutch control system and mechanical road roller with same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089959B (en) * | 2013-01-06 | 2015-11-25 | 徐工集团工程机械股份有限公司 | A kind of mechanical drive road roller many gear speed-changings system |
| CN106032825A (en) * | 2015-03-20 | 2016-10-19 | 上海瑞迪汽车科技有限公司 | Vehicle clutch electro-hydraulic automatic control system |
| CN108006107A (en) * | 2017-11-28 | 2018-05-08 | 长沙卡斯马汽车系统有限公司 | A kind of soft clutch and the oil return line system of soft braking |
| CN113236680B (en) * | 2021-05-24 | 2022-11-01 | 宜宾凯翼汽车有限公司 | Slow release structure of hydraulic clutch control system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3736584A1 (en) * | 1987-10-29 | 1989-05-18 | Bayerische Motoren Werke Ag | Hydraulic actuation device |
| DE4424790A1 (en) * | 1994-07-14 | 1996-01-18 | Bosch Gmbh Robert | Hydraulic emergency control for a friction clutch arranged between an internal combustion engine and a transmission |
| CN101737438A (en) * | 2008-11-12 | 2010-06-16 | 比亚迪股份有限公司 | Automobile clutch hydraulic control system and control method thereof |
| CN102352895B (en) * | 2011-07-13 | 2013-09-25 | 三一重工股份有限公司 | Clutch control system and mechanical road roller with same |
-
2011
- 2011-08-18 CN CN 201110237435 patent/CN102352895B/en not_active Expired - Fee Related
- 2011-08-18 CN CN2011203011349U patent/CN202194975U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352895A (en) * | 2011-07-13 | 2012-02-15 | 三一重工股份有限公司 | Clutch control system and mechanical road roller with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102352895B (en) | 2013-09-25 |
| CN102352895A (en) | 2012-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120418 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |