CN204493328U - For the hydrovalve of energy-recuperation system - Google Patents

For the hydrovalve of energy-recuperation system Download PDF

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Publication number
CN204493328U
CN204493328U CN201520102066.1U CN201520102066U CN204493328U CN 204493328 U CN204493328 U CN 204493328U CN 201520102066 U CN201520102066 U CN 201520102066U CN 204493328 U CN204493328 U CN 204493328U
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Prior art keywords
valve
way
mouth
communicated
way valve
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CN201520102066.1U
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Chinese (zh)
Inventor
高皓
李文新
王宜前
李欲江
王茄任
刘建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Liugong Machinery Co Ltd
Liugong Changzhou Machinery Co Ltd
Liuzhou Liugong Excavators Co Ltd
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Guangxi Liugong Machinery Co Ltd
Liugong Changzhou Machinery Co Ltd
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Priority to CN201520102066.1U priority Critical patent/CN204493328U/en
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  • Multiple-Way Valves (AREA)

Abstract

A kind of hydrovalve for energy-recuperation system, the filler opening of bi-bit bi-pass selector valve is connected to after the oil outlet parallel connection of the first one-way valve, the second one-way valve, the filler opening of described first one-way valve, the second one-way valve is communicated with A mouth, B mouth respectively, and the oil outlet of described bi-bit bi-pass selector valve is communicated with P mouth; The oil outlet of described 3rd one-way valve is communicated with the filler opening of three position four-way directional control valve, and the filler opening of the 3rd one-way valve is communicated with P mouth; The oil outlet of described three position four-way directional control valve is communicated with A mouth, B mouth respectively; Its advantage to reclaim the energy of rotary braking, and the energy applications of recovery is started in revolution, two spools are integrated in a valve block, decrease the usage quantity of valve, simplify the connection of exterior line simultaneously, valve body surface is provided with the pressure tap of one-way valved outlet pressure, can be used for the working state of pressure test or monitoring valve block.

Description

For the hydrovalve of energy-recuperation system
Technical field
The utility model relates to a kind of hydrovalve, particularly a kind of hydrovalve for energy-recuperation system.
Background technique
In the excavation entrucking operating mode that hydraulic shovel the most often carries out, the process that each circulation has twice revolution to start and brake.Be all adopt relief valve as back pressure without exception during rotary braking, make rotary decelerating until stop.In the process of this braking, hydraulic oil is through relief valve overflow, and namely pivotal kinetic transformation is that the heat energy of hydraulic oil is consumed.Along with the raising that the development of science and technology, user require overall performance, a lot of producer all develops the hydraulic system reclaiming rotary braking energy.
Model utility content
The purpose of this utility model is just to provide a kind of energy that can reclaim rotary braking, and makes the hydrovalve for energy-recuperation system that the energy applications of recovery starts in revolution.
Solution of the present utility model is such:
A kind of hydrovalve for energy-recuperation system, valve body includes the first one-way valve, the second one-way valve, the 3rd one-way valve, bi-bit bi-pass selector valve, three position four-way directional control valve, the filler opening of bi-bit bi-pass selector valve is connected to after the oil outlet parallel connection of described first one-way valve, the second one-way valve, the filler opening of described first one-way valve, the second one-way valve is communicated with A mouth, B mouth respectively, and the oil outlet of described bi-bit bi-pass selector valve is communicated with P mouth; The oil outlet of described 3rd one-way valve is communicated with the filler opening of three position four-way directional control valve, and the filler opening of the 3rd one-way valve is communicated with P mouth; The oil outlet of described three position four-way directional control valve is communicated with A mouth, B mouth respectively.
Technological scheme also comprises more specifically: be connected to P mouth again after the oil outlet of described bi-bit bi-pass selector valve and the oil circuit of filler opening in valve body of described 3rd one-way valve converge.
Further: after the filler opening of the oil outlet of described three position four-way directional control valve and described first one-way valve, the second one-way valve converges respectively, to be connected to A mouth, B mouth more respectively.
Further: valve body is provided with the first one-way valved outlet pressure pressure tap, described first one-way valved outlet pressure pressure tap is communicated with the oil outlet of the first one-way valve, the second one-way valve.
Further: valve body is provided with the second one-way valved outlet pressure pressure tap, described second one-way valved outlet pressure pressure tap is communicated with the 3rd one-way valve oil outlet.
Further: described P mouth, A mouth, B mouth are positioned at the same attachment face of valve body.
Further: described bi-bit bi-pass selector valve is normally open.
Further: described three position four-way directional control valve is normally open.
The utility model has the advantages that the energy that can reclaim rotary braking, and the energy applications of recovery is started in revolution, two spools are integrated in a valve block, decrease the usage quantity of valve, simplify the connection of exterior line simultaneously, valve body surface is provided with the pressure tap of one-way valved outlet pressure, can be used for the working state of pressure test or monitoring valve block.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of valve in the first one-way valve 4, second one-way valve 5 oil circuit position.
Fig. 2 is the sectional drawing of valve in the 3rd one-way valve 5 oil circuit position.
Fig. 3 is valve body surface hydraulic fluid port figure.
Fig. 4 is valve block schematic diagram.
Reference character:
Valve body 1, bi-bit bi-pass selector valve 2, bi-bit bi-pass selector valve control port 3, first one-way valve 4, second one-way valve the 5, three one-way valve 6, three position four-way directional control valve 7, three position four-way directional control valve control port 8, three position four-way directional control valve control port 9,10, accumulator, 11, rotary motor.
Embodiment
As shown in Fig. 1,4, valve body includes the first one-way valve 4, second one-way valve 5, the 3rd one-way valve 5, bi-bit bi-pass selector valve 2, three position four-way directional control valve 7, the filler opening of bi-bit bi-pass selector valve 2 is connected to after the oil outlet parallel connection of described first one-way valve 4, second one-way valve 5, the filler opening of described first one-way valve 4, second one-way valve 5 is communicated with A mouth, B mouth respectively, and the oil outlet of described bi-bit bi-pass selector valve 2 is communicated with P mouth; The oil outlet of described 3rd one-way valve 5 is communicated with the filler opening of three position four-way directional control valve 7, and the filler opening of the 3rd one-way valve 5 is communicated with P mouth; The oil outlet of described three position four-way directional control valve 7 is communicated with A mouth, B mouth respectively.
As shown in Figure 1, the oil duct p in valve body 1 is connected with P mouth, and oil duct a is connected with A mouth, and oil duct b is connected with B mouth.
As shown in Figure 2, the oil duct p' in valve body 1 is connected with P mouth, and oil duct a' is connected with A mouth, and oil duct b' is connected with B mouth; Three position four-way directional control valve 7 has two groups of oil return oil ducts at valve inner, and return opening takes back fuel tank.
Valve body 1 is provided with the first one-way valved outlet pressure pressure tap Pc1, and the second one-way valved outlet pressure pressure tap Pc2, two pressure tap for being threaded, and are equipped with plug screw.
Described P mouth, A mouth, B mouth are positioned at the same attachment face of valve body.
Described bi-bit bi-pass selector valve comprises spool, outer spring, inner spring, spring seat, socket head screw and two ends valve gap.Described spool face has balancing slit, prevents card valve.Load from one end of valve block after described spool is connected with socket head screw with spring and be stuck in valve body.Described valve gap is fixed on valve body by two screws, and two ends valve gap all has tapped hole.The control oil of described bi-bit bi-pass selector valve is by the tapped hole access on spring terminal valve gap.Described bi-bit bi-pass selector valve is in normally open.
Three position four-way directional control valve comprises spool, outer spring, inner spring, spring seat, socket head screw and two ends valve gap.Described spool face has balancing slit, prevents card valve.Load from one end of valve block after described spool is connected with socket head screw with spring and be stuck in valve body.Described valve gap is fixed on valve body by two screws, and two ends valve gap all has tapped hole.The control oil of described three position four-way directional control valve is by the tapped hole access on the valve gap of two ends.Described three position four-way directional control valve is in normally off.
When this valve uses in rotary braking energy-recuperation system, P mouth is connected with energy recycle device, and A, B mouth is connected with two hydraulic fluid ports of rotary motor respectively.Three position four-way directional control valve control port 8, three position four-way directional control valve control port 9 connects two control ports of the pilot-actuated valve in pilot control oil circuit respectively, and the control oil of two hydraulic fluid ports of pilot-actuated valve is all connected to bi-bit bi-pass selector valve control port 3.Another control mouth of bi-bit bi-pass selector valve takes back fuel tank.

Claims (8)

1. the hydrovalve for energy-recuperation system, it is characterized in that: valve body includes the first one-way valve (4), the second one-way valve (5), the 3rd one-way valve (5), bi-bit bi-pass selector valve (2), three position four-way directional control valve (7), the filler opening of bi-bit bi-pass selector valve (2) is connected to after the oil outlet parallel connection of described first one-way valve (4), the second one-way valve (5), the filler opening of described first one-way valve (4), the second one-way valve (5) is communicated with A mouth, B mouth respectively, and the oil outlet of described bi-bit bi-pass selector valve (2) is communicated with P mouth; The oil outlet of described 3rd one-way valve (5) is communicated with the filler opening of three position four-way directional control valve (7), and the filler opening of the 3rd one-way valve (5) is communicated with P mouth; The oil outlet of described three position four-way directional control valve (7) is communicated with A mouth, B mouth respectively.
2. the hydrovalve for energy-recuperation system according to claim 1, is characterized in that: be connected to P mouth again after the oil outlet of described bi-bit bi-pass selector valve (2) and the oil circuit of filler opening in valve body of described 3rd one-way valve (5) converge.
3. the hydrovalve for energy-recuperation system according to claim 1, is characterized in that: be connected to A mouth, B mouth more respectively after the filler opening of the oil outlet of described three position four-way directional control valve (7) and described first one-way valve (4), the second one-way valve (5) converges respectively.
4. the hydrovalve for energy-recuperation system according to claim 1, it is characterized in that: valve body is provided with the first one-way valved outlet pressure pressure tap (Pc1), described first one-way valved outlet pressure pressure tap (Pc1) is communicated with the oil outlet of the first one-way valve (4), the second one-way valve (5).
5. the hydrovalve for energy-recuperation system according to claim 1, it is characterized in that: valve body is provided with the second one-way valved outlet pressure pressure tap (Pc2), described second one-way valved outlet pressure pressure tap (Pc2) is communicated with the 3rd one-way valve (4) oil outlet.
6. the hydrovalve for energy-recuperation system according to claim 1, is characterized in that: described P mouth, A mouth, B mouth are positioned at the same attachment face of valve body.
7. the hydrovalve for energy-recuperation system according to claim 1 and 2, is characterized in that: described bi-bit bi-pass selector valve (2) is normally open.
8. the hydrovalve for energy-recuperation system according to claim 1 or 3, is characterized in that: described three position four-way directional control valve (7) is normally open.
CN201520102066.1U 2015-02-12 2015-02-12 For the hydrovalve of energy-recuperation system Active CN204493328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520102066.1U CN204493328U (en) 2015-02-12 2015-02-12 For the hydrovalve of energy-recuperation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520102066.1U CN204493328U (en) 2015-02-12 2015-02-12 For the hydrovalve of energy-recuperation system

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CN204493328U true CN204493328U (en) 2015-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108466983A (en) * 2018-06-05 2018-08-31 安徽合力股份有限公司 It is a kind of to decline the recyclable forklift hydraulic system of energy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108466983A (en) * 2018-06-05 2018-08-31 安徽合力股份有限公司 It is a kind of to decline the recyclable forklift hydraulic system of energy

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