CN103244500A - Multifunctional hydraulic device - Google Patents
Multifunctional hydraulic device Download PDFInfo
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- CN103244500A CN103244500A CN2013101456375A CN201310145637A CN103244500A CN 103244500 A CN103244500 A CN 103244500A CN 2013101456375 A CN2013101456375 A CN 2013101456375A CN 201310145637 A CN201310145637 A CN 201310145637A CN 103244500 A CN103244500 A CN 103244500A
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- valve
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- solenoid
- directional control
- solenoid directional
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Abstract
The invention relates to a multifunctional hydraulic device which comprises an oil tank, an oil pump, an electromagnetic reversing valve, a stacked unidirectional throttle valve, a stacked electromagnetic throttle valve, a hydraulic cylinder and a controller. An outlet of the oil pump is communicated with an oil inlet of the electromagnetic reversing valve. A return oil hole of the electromagnetic reversing valve is communicated with the oil tank. The stacked unidirectional throttle valve comprises a first unidirectional valve and a second unidirectional valve, a first oil outlet of the electromagnetic reversing valve is connected with an oil inlet of the first unidirectional valve, and a second oil outlet of the electromagnetic reversing valve is connected with an oil inlet of the second unidirectional valve. An oil outlet of the first unidirectional valve is connected with a compression end of the hydraulic cylinder. An oil outlet of the second unidirectional valve is connected with an extension end of the hydraulic cylinder through the stacked electromagnetic throttle valve. A first overflow valve is disposed between an oil inlet of the electromagnetic reversing valve and the oil tank. The multifunctional hydraulic device is characterized in that a second overflow valve is disposed between the electromagnetic reversing valve and a third electromagnetic valve. The multifunctional hydraulic device prevents a riveting workpiece from being deformed and damaged, and is applicable to riveting of a knuckle with a mud guard and a bearing respectively.
Description
Technical field
The present invention relates to a kind of hydraulic pressure installation.Specifically, be both to have can be used to the mudguard wing in the brake system of car and knuckle press-fited and riveting together, also can be used to the supporting multifunctional solution pressure device of using on the riveting device of bearing press mounting in the free bearing hole.
Background technique
At present in automobile manufacture industry, no matter be press-fiting between mudguard wing in the brake system of car and knuckle, riveting, still with bearing press mounting in the bearing hole of knuckle, all be to adopt a conventional hydraulic device to realize.The conventional hydraulic device comprises fuel tank, oil pump, solenoid directional control valve, stacked unidirectional throttle valve, overlapping electromagnetic throttle valve, oil hydraulic cylinder and controller, and the import of oil pump is communicated with fuel tank.Oil inlet P, oil return inlet T, the first oil outlet A, the second oil outlet B, first coil and second coil are arranged on the solenoid directional control valve, the outlet of oil pump is communicated with the oil inlet P of solenoid directional control valve by oil pipe, and the oil return inlet T of solenoid directional control valve is communicated with fuel tank by oil pipe.Described stacked unidirectional throttle valve contains first one-way valve and second one-way valve, and the first oil outlet A of solenoid directional control valve links to each other with the filler opening of described first one-way valve, and second oil outlet of solenoid directional control valve links to each other with the filler opening of described second one-way valve.The oil outlet of described first one-way valve links to each other with the compression end of oil hydraulic cylinder, and the oil outlet of second one-way valve links to each other with the external part of oil hydraulic cylinder by the overlapping electromagnetic throttle valve.Described overlapping electromagnetic throttle valve contains throttle valve and solenoid valve, and the same end hydraulic fluid port of throttle valve and solenoid valve links together.Tertiary coil is arranged on the solenoid valve, and described tertiary coil, first coil and second coil all link to each other with controller by lead.There are home switch, worker to advance switch, primary importance switch on the described controller, first relief valve is arranged between the oil inlet P of solenoid directional control valve and fuel tank.Owing between the oil return inlet T of solenoid directional control valve and oil pump first relief valve is only arranged, the delivery pressure after making hydraulic system dispatch from the factory can't be regulated.And press-fiting with the required pressure of riveting between the mudguard wing in the brake system of car and knuckle is bigger, it is then much smaller that bearing press mounting is arrived pressure required in the free bearing hole, this just need adjust to the output power of above-mentioned hydraulic pressure installation the pressure required with riveting that press-fits that can carry out between mudguard wing and knuckle, to satisfy press-fiting and riveting between mudguard wing and knuckle.But when with such delivery pressure pressing bearing, because pressure is too big, the phenomenon that knuckle is crushed out of shape appears in regular meeting, makes bearing or knuckle impaired serious, even can't use.
Summary of the invention
The problem to be solved in the present invention provides a kind of multifunctional solution pressure device.This multifunctional solution pressure device, output power can be switched, and can avoid that knuckle is crushed out of shape, bearing or knuckle is impaired, situation about can't use takes place.
For addressing the above problem, take following technological scheme:
Multifunctional solution pressure device of the present invention comprises fuel tank, oil pump, solenoid directional control valve, stacked unidirectional throttle valve, overlapping electromagnetic throttle valve, oil hydraulic cylinder and controller, and the import of oil pump is communicated with fuel tank.Filler opening, return opening, first oil outlet, second oil outlet, first coil and second coil on the solenoid directional control valve, the outlet of oil pump is communicated with the filler opening of solenoid directional control valve by oil pipe, and the return opening of solenoid directional control valve is communicated with fuel tank by oil pipe.Described stacked unidirectional throttle valve contains first one-way valve and second one-way valve, and first oil outlet of solenoid directional control valve links to each other with the filler opening of described first one-way valve, and second oil outlet of solenoid directional control valve links to each other with the filler opening of described second one-way valve.The oil outlet of described first one-way valve links to each other with the compression end of oil hydraulic cylinder, and the oil outlet of second one-way valve links to each other with the external part of oil hydraulic cylinder by the overlapping electromagnetic throttle valve.Described overlapping electromagnetic throttle valve contains throttle valve and solenoid valve, and the same end hydraulic fluid port of throttle valve and solenoid valve links together.Tertiary coil is arranged on the solenoid valve, and described tertiary coil, first coil and second coil all link to each other with controller by lead.There are home switch, worker to advance switch, primary importance switch on the described controller, first relief valve is arranged between the filler opening of solenoid directional control valve and fuel tank, its structural feature is between solenoid directional control valve and first relief valve the 3rd solenoid valve to be arranged, the filler opening of solenoid directional control valve links to each other with the filler opening of the 3rd solenoid valve, first oil outlet of the 3rd solenoid valve links to each other with the filler opening of first relief valve, and the return opening of the 3rd solenoid valve is closed shape.Between solenoid directional control valve and the 3rd solenoid valve second relief valve is arranged, an end of first relief valve and second relief valve all is communicated with fuel tank, and the filler opening of second solenoid valve is communicated with second oil outlet of the 3rd solenoid valve.
Take such scheme, have the following advantages:
By such scheme as can be seen, owing between solenoid directional control valve and first relief valve the 3rd solenoid valve is arranged, the oil inlet P of solenoid directional control valve links to each other with the oil inlet P of the 3rd solenoid valve, the first oil outlet A of the 3rd solenoid valve links to each other with the filler opening of first relief valve, and the oil return inlet T of the 3rd solenoid valve is closed shape.Between solenoid directional control valve and the 3rd solenoid valve second relief valve is arranged, an end of first relief valve and second relief valve all is communicated with fuel tank, and the filler opening of second solenoid valve is communicated with the second oil outlet B of the 3rd solenoid valve.When if the oil circuit of first relief valve is opened, system's delivery pressure is bigger, can be used to carry out press-fiting and riveting between mudguard wing and knuckle.And the oil circuit of second relief valve is when opening, and system's delivery pressure is less, can be used to carry out press-fiting of bearing.Like this, when need carry out between mudguard wing and knuckle press-fit with riveting the time, just the oil circuit of first relief valve is opened, the oil circuit of second relief valve disconnects.When need carry out bearing press mounting, just the oil circuit of first relief valve to be opened, the oil circuit of second relief valve disconnects.The break-make of employing between two relief valves switched, utilize two kinds of system's delivery pressures to carry out press-fiting of press-fiting between mudguard wing and knuckle/riveting and bearing respectively, thereby avoided that knuckle is crushed out of shape, bearing or knuckle is impaired, situation about can't use takes place.
Description of drawings
Fig. 1 is multifunction hydraulic principle of device schematic representation of the present invention.
Embodiment
As shown in Figure 1, multifunctional solution pressure device of the present invention comprises fuel tank 1, oil pump 3, solenoid directional control valve 12, stacked unidirectional throttle valve, overlapping electromagnetic throttle valve, oil hydraulic cylinder 19 and controller 20, and the import of described oil pump 3 is communicated with fuel tank 1.
Oil inlet P, oil return inlet T, the first oil outlet A, the second oil outlet B, the first coil Y1 and the second coil Y2 are set on the solenoid directional control valve 12, the outlet of oil pump 3 is communicated with by the oil inlet P of oil pipe with solenoid directional control valve 12, and the oil return inlet T of solenoid directional control valve 12 is communicated with fuel tank 1 by oil pipe.Described stacked unidirectional throttle valve contains first one-way valve 13 and second one-way valve 16, the first oil outlet A of solenoid directional control valve 12 links to each other with the filler opening of described first one-way valve 13, and the second oil outlet B of solenoid directional control valve 12 links to each other with the filler opening of described second one-way valve 16.
The oil outlet of described first one-way valve 13 links to each other with the compression end of oil hydraulic cylinder 19, and the oil outlet of second one-way valve 16 links to each other with the external part of oil hydraulic cylinder 19 by overlapping electromagnetic throttle valve 12.Described overlapping electromagnetic throttle valve contains throttle valve 17 and solenoid valve 18, and throttle valve 17 links together with the same end hydraulic fluid port of solenoid valve 18.Solenoid valve 18 is provided with tertiary coil Y3, and described tertiary coil Y3, the first coil Y1 all link to each other with controller 20 by lead with the second coil Y2.Described controller 20 is provided with home switch X1, the worker advances switch X2, primary importance switch X3,1 of the oil inlet P of solenoid directional control valve 12 and fuel tank are provided with first relief valve 7, solenoid directional control valve 12 and 7 of first relief valves are provided with the 3rd solenoid valve 11, the oil inlet P of solenoid directional control valve 12 links to each other with the oil inlet P of the 3rd solenoid valve 11, the first oil outlet A of the 3rd solenoid valve 11 links to each other with the filler opening of first relief valve 7, and the oil return inlet T of the 3rd solenoid valve 11 is blocked and is closed shape.The end that solenoid directional control valve 12 and 11 of the 3rd solenoid valves are provided with second relief valve, 8, the first relief valves 7 and second relief valve 8 all is communicated with fuel tank 1, and the filler opening of second relief valve 8 is communicated with the second oil outlet B of the 3rd solenoid valve 11.
For improving the hydraulic oil quality in the fuel tank 1, the import of oil pump 3 is provided with oil suction filter 2.
For ease of the second place that the control last item holds, controller 20 is provided with second place switch X4.
Be further to improve the oil quality in the fuel tank, be provided with in the inlet of fuel tank 1 and add oil strainer.
For ease of oil product liquid level in the control fuel tank, at fuel tank 1 level meter is installed.
When the oil circuit of first relief valve 7 was opened, system's delivery pressure was bigger, can be used to carry out press-fiting and riveting between mudguard wing and knuckle.When the oil circuit of second relief valve 8 was opened, system's delivery pressure was less, can be used to carry out press-fiting of bearing.Like this, when need carry out between mudguard wing and knuckle press-fit with riveting the time, just the oil circuit of first relief valve 7 is opened, the oil circuit of second relief valve 8 disconnects.When need carry out bearing press mounting, just the oil circuit of first relief valve 7 to be opened, the oil circuit of second relief valve 8 disconnects.The break-make of employing between two relief valves switched, utilize two kinds of system's delivery pressures to carry out press-fiting of press-fiting between mudguard wing and knuckle/riveting and bearing respectively, thereby avoided that knuckle is crushed out of shape, bearing or knuckle is impaired, situation about can't use takes place.
Claims (5)
1. the multifunctional solution pressure device comprises fuel tank (1), oil pump (3), solenoid directional control valve (12), stacked unidirectional throttle valve, overlapping electromagnetic throttle valve, oil hydraulic cylinder (19) and controller (20), and the import of oil pump (3) is communicated with fuel tank (1); Solenoid directional control valve (12) is gone up filler opening (P), return opening (T), first oil outlet (A), second oil outlet (B), first coil (Y1) and second coil (Y2), the outlet of oil pump (3) is communicated with the filler opening (P) of solenoid directional control valve (12) by oil pipe, and the return opening (T) of solenoid directional control valve (12) is communicated with fuel tank (1) by oil pipe; Described stacked unidirectional throttle valve contains first one-way valve (13) and second one-way valve (16), first oil outlet (A) of solenoid directional control valve (12) links to each other with the filler opening of described first one-way valve (13), and second oil outlet (B) of solenoid directional control valve (12) links to each other with the filler opening of described second one-way valve (16); The oil outlet of described first one-way valve (13) links to each other with the compression end of oil hydraulic cylinder (19), and the oil outlet of second one-way valve (16) links to each other with the external part of oil hydraulic cylinder (19) by overlapping electromagnetic throttle valve (12); Described overlapping electromagnetic throttle valve contains throttle valve (17) and solenoid valve (18), and throttle valve (17) links together with the same end hydraulic fluid port of solenoid valve (18); Tertiary coil (Y3) is arranged on the solenoid valve (18), and described tertiary coil (Y3), first coil (Y1) and second coil (Y2) all link to each other with controller (20) by lead; Home switch (X1) is arranged on the described controller (20), the worker advances switch (X2), primary importance switch (X3), between the filler opening (P) of solenoid directional control valve (12) and fuel tank (1) first relief valve (7) is arranged, it is characterized in that between solenoid directional control valve (12) and first relief valve (7) the 3rd solenoid valve (11) being arranged, the filler opening (P) of solenoid directional control valve (12) links to each other with the filler opening (P) of the 3rd solenoid valve (11), first oil outlet (A) of the 3rd solenoid valve (11) links to each other with the filler opening of first relief valve (7), and the return opening (T) of the 3rd solenoid valve (11) is closed shape; Between solenoid directional control valve (12) and the 3rd solenoid valve (11) second relief valve (8) is arranged, one end of first relief valve (7) and second relief valve (8) all is communicated with fuel tank (1), and the filler opening of second solenoid valve (8) is communicated with second oil outlet (B) of the 3rd solenoid valve (11).
2. multifunctional solution pressure device according to claim 1 is characterized in that in the import of oil pump (3) oil suction filter (2) being arranged.
3. multifunctional solution pressure device according to claim 1 is characterized in that second place switch X4 is arranged on the controller (20).
4. multifunctional solution pressure device according to claim 1 is characterized in that there is the oil strainer of adding (5) in the inlet of fuel tank (1).
5. multifunctional solution pressure device according to claim 1 is characterized in that on the fuel tank (1) level meter being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101456375A CN103244500A (en) | 2013-04-25 | 2013-04-25 | Multifunctional hydraulic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101456375A CN103244500A (en) | 2013-04-25 | 2013-04-25 | Multifunctional hydraulic device |
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| CN103244500A true CN103244500A (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101456375A Pending CN103244500A (en) | 2013-04-25 | 2013-04-25 | Multifunctional hydraulic device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879334A (en) * | 2015-04-23 | 2015-09-02 | 凯迈（洛阳）测控有限公司 | Piston lifting mechanism and hydraulic control device thereof |
| CN109404369A (en) * | 2018-12-13 | 2019-03-01 | 恒天九五重工有限公司 | A kind of multifunction hydraulic maintenance system |
| CN109458364A (en) * | 2018-12-13 | 2019-03-12 | 恒天九五重工有限公司 | A kind of portable debugging hydraulic power unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113088A (en) * | 1997-06-24 | 1999-01-19 | Kubota Corp | Hydraulic control device for operation of rotary work machine |
| CN2321784Y (en) * | 1998-02-27 | 1999-06-02 | 重庆钢铁(集团)有限责任公司 | Furnace top material flow regulator for blast furnace without bell |
| US20040200349A1 (en) * | 2003-01-24 | 2004-10-14 | Jeff Moler | Accurate fluid operated cylinder positioning system |
| JP2008057663A (en) * | 2006-08-31 | 2008-03-13 | Optrex Corp | Press-fitting device |
| CN102513814A (en) * | 2011-12-20 | 2012-06-27 | 无锡威孚精密机械制造有限责任公司 | Constant pressure valve press-fit machine |
| CN102699670A (en) * | 2012-05-31 | 2012-10-03 | 韶关东南轴承有限公司 | Riveting device based on speed and pressure combination control |
| CN103057160A (en) * | 2013-01-28 | 2013-04-24 | 华南理工大学 | Riveting equipment control system |
| CN203272313U (en) * | 2013-04-25 | 2013-11-06 | 无锡艾森保自动化装备有限公司 | Multifunctional hydraulic device |
-
2013
- 2013-04-25 CN CN2013101456375A patent/CN103244500A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113088A (en) * | 1997-06-24 | 1999-01-19 | Kubota Corp | Hydraulic control device for operation of rotary work machine |
| CN2321784Y (en) * | 1998-02-27 | 1999-06-02 | 重庆钢铁(集团)有限责任公司 | Furnace top material flow regulator for blast furnace without bell |
| US20040200349A1 (en) * | 2003-01-24 | 2004-10-14 | Jeff Moler | Accurate fluid operated cylinder positioning system |
| JP2008057663A (en) * | 2006-08-31 | 2008-03-13 | Optrex Corp | Press-fitting device |
| CN102513814A (en) * | 2011-12-20 | 2012-06-27 | 无锡威孚精密机械制造有限责任公司 | Constant pressure valve press-fit machine |
| CN102699670A (en) * | 2012-05-31 | 2012-10-03 | 韶关东南轴承有限公司 | Riveting device based on speed and pressure combination control |
| CN103057160A (en) * | 2013-01-28 | 2013-04-24 | 华南理工大学 | Riveting equipment control system |
| CN203272313U (en) * | 2013-04-25 | 2013-11-06 | 无锡艾森保自动化装备有限公司 | Multifunctional hydraulic device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879334A (en) * | 2015-04-23 | 2015-09-02 | 凯迈（洛阳）测控有限公司 | Piston lifting mechanism and hydraulic control device thereof |
| CN109404369A (en) * | 2018-12-13 | 2019-03-01 | 恒天九五重工有限公司 | A kind of multifunction hydraulic maintenance system |
| CN109458364A (en) * | 2018-12-13 | 2019-03-12 | 恒天九五重工有限公司 | A kind of portable debugging hydraulic power unit |
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Application publication date: 20130814 |