CN202690569U - Energy-saving oil cylinder integrating fast stroke and slow stroke and application device thereof - Google Patents

Energy-saving oil cylinder integrating fast stroke and slow stroke and application device thereof Download PDF

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Publication number
CN202690569U
CN202690569U CN 201220214196 CN201220214196U CN202690569U CN 202690569 U CN202690569 U CN 202690569U CN 201220214196 CN201220214196 CN 201220214196 CN 201220214196 U CN201220214196 U CN 201220214196U CN 202690569 U CN202690569 U CN 202690569U
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China
Prior art keywords
oil
valve
piston rod
oil cylinder
stroke
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Expired - Fee Related
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CN 201220214196
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Chinese (zh)
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童自海
曾经建
易明明
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Changsha Jinyang Machinery & Equipment Technology Development Co Ltd
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Changsha Jinyang Machinery & Equipment Technology Development Co Ltd
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Abstract

The utility model discloses an energy-saving oil cylinder integrating a fast stroke and a slow stroke and an application device thereof. The energy-saving oil cylinder integrating the fast stroke and the slow stroke and the application device thereof comprise a big oil cylinder (21) and a main piston rod (23). The main piston rod (23) is provided with a first rod cavity (25) and a first rodless cavity (26) in the big oil cylinder (21). The first rod cavity (25) is provided with a first oil port (22), and the first rodless cavity (26) is provided with a second oil port (20). An axial oil cavity (24) is arranged in the body of the main piston rod (23). A fixed piston rod (17) is arranged on the big oil cylinder (21) and passes through the first rodless cavity (26) to extend into the axial oil cavity (24) of the main piston rod (23). The fixed piston rod (17) is provided with a second rod cavity (28) and a second rodless cavity (27) in the axial oil cavity (24). A first oil path (18) communicated with the second rodless cavity (27) and a second oil path (19) communicated with the second rod cavity (28) are arranged on the fixed piston rod (17). The energy-saving oil cylinder integrating the fast stroke and the slow stroke and the application device thereof are low in energy consumption.

Description

Soon at a slow speed stroke integrated energy-saving oil cylinder and application apparatus thereof
Technical field
The utility model relates to a kind of oil cylinder, particularly relates to a kind of soon stroke integrated energy-saving oil cylinder at a slow speed, and the utility model also relates to this fast at a slow speed application apparatus of stroke integrated energy-saving oil cylinder.
Background technique
At present, engineering machinery need to be along with national energy, traffic, irrigation and water conservancy and infrastructure construction development, and mechanical-hydraulic equipment is synchronized development thereupon also.The energy is the important leverage that realizes China's sustainable economic development, also is the basis that the mankind depend on for existence.The wear rate of world today's conventional energy resource resource is considerably beyond the power of regeneration of resource and the ability of human development new energy.On total amount, China is a production of energy big country, also is an energy-consuming big country simultaneously.Status of Energy Sources can reflect the level of economic development of a country.It is the important evidence of research strategy of economic development problem.In order proceeding from the reality according to " Energy Conservation Law of the People's Republic of China " mechanical-hydraulic equipment hydraulic jack to be undergone technological transformation, to reduce energy consumption.
The hydraulic jack that disposes on the mechanical-hydraulic equipment now, great majority are traditional oil cylinder, as: hydraulic bending press, straightener, hydraulic plate shear, oil hydraulic press etc.Take 100 tons of oil hydraulic presses of a traditional oil cylinder and 100 tons of oil hydraulic presses loading onto energy saving cylinder relatively as example:
100 tons of oil hydraulic press parameters and the hydraulic schematic diagram of tradition oil cylinder are as follows:
Tradition oil cylinder: 100 tons of oil hydraulic presses, major parameter when stroke is 500 ㎜
Power of motor 11Kw, liquid maximum service pressure 25Mpa,
Oil pump 25YCY14-1B type 31.5Mpa 1000r/min 25L/min 0.42 L/s, oil cylinder φ 1220 ㎜, piston rod φ 2180 ㎜, two cavity areas compare φ 1/ φ 2=2.5, the oil cylinder total travel is 500 ㎜, φ 1Area 380 ㎝ 2, φ 2254 ㎝ 2, loculus area 126 ㎝ 2,
(stroke 500 ㎜) are 19dm without the bar volume 3, downgoing time 45s,
Rod chamber (stroke 500 ㎜) is 6.3dm 3, return interval 15s,
Without bar volume per second walking length 11 ㎜/s,
Bar volume per second walking length 33 ㎜/s is arranged.
The model utility content
First technical problem to be solved in the utility model provides the low soon stroke integrated energy-saving oil cylinder at a slow speed of a kind of energy consumption.
Second technical problem to be solved in the utility model provides a kind of fast at a slow speed application apparatus of stroke integrated energy-saving oil cylinder that is somebody's turn to do.
In order to solve above-mentioned first technical problem, the soon stroke integrated energy-saving oil cylinder at a slow speed that the utility model provides, comprise large tank and main piston rod, described main piston rod is formed with the first rod chamber and the first rodless cavity in described large tank, described the first rod chamber is provided with the first hydraulic fluid port, described the first rodless cavity is provided with the second hydraulic fluid port, be provided with axial oil pocket in the body of described main piston rod, be provided with fixed piston rod at described large tank, described fixed piston rod passes described the first rodless cavity and extends in the axial oil pocket of described main piston rod and be formed with the second rod chamber and the second rodless cavity in described axial oil pocket, is provided with the first oil circuit that is communicated with described the second rodless cavity and the second oil circuit that is communicated with described the second rod chamber at described fixed piston rod.
In order to solve above-mentioned second technical problem, the fast at a slow speed device of stroke integrated energy-saving oil cylinder of the application that the utility model provides, comprise oil pump and fuel tank, the outlet of described oil pump is connected with the P mouth of three position four-way directional control valve by one-way valve, the T mouth of described three position four-way directional control valve is connected with described fuel tank, the A mouth of described three position four-way directional control valve is connected with the import of one-way speed-regulating valve, the outlet of described one-way speed-regulating valve is connected with described fast at a slow speed the second oil circuit of stroke integrated energy-saving oil cylinder by equilibrium valve, the B mouth of described three position four-way directional control valve is connected with described fast at a slow speed the first oil circuit of stroke integrated energy-saving oil cylinder by Pilot operated check valve, the B mouth of described three position four-way directional control valve also is connected with described fast at a slow speed the second hydraulic fluid port of stroke integrated energy-saving oil cylinder by sequence valve, described the second hydraulic fluid port is connected with described fuel tank by liquid-filling valve, described Pilot operated check valve, the hydraulic control end of liquid-filling valve is connected with described oil pump outlet by the 2/2-way solenoid directional control valve, described oil pump outlet is connected with relief valve, the B mouth of described three position four-way directional control valve is connected with pressure relay, and described fast at a slow speed the first hydraulic fluid port of stroke integrated energy-saving oil cylinder is connected with described fuel tank.
Adopt soon at a slow speed stroke integrated energy-saving oil cylinder and the application apparatus thereof of technique scheme,
The explanation of energy-save oil press schematic diagram:
Equipment operation is regulated: relief valve is transferred to 22MPa, and pressure relay is adjusted to 22MPa, and equilibrium valve is adjusted to 1MPa, and sequence valve is adjusted to 2MPa, and the scale of one-way speed-regulating valve is transferred to scale 4, presses top button and makes slide block descending fast.
Start Oil pump electrical machinery: solenoid valve YA1, YA2, YA3 dead electricity, three position four-way directional control valve valve position meta, the direct oil sump tank of hydraulic oil.
F.F.: solenoid valve YA1 gets electric, YA2, YA3 dead electricity, and the second rodless cavity oil-feed of main piston rod promotes main piston rod and glides, and the first rodless cavity replenishes hydraulic oil, the first rod chamber hydraulic oil oil sump tank.
Change a job fast into: selector valve YA1 gets electric, YA2, YA3 dead electricity, when system pressure behind the contact workpiece was elevated to the pressure that sequence valve arranges, pressure oil began the first rodless cavity oil-feed, the second rodless cavity continues into pressure oil, the first rod chamber hydraulic oil oil sump tank.
Pressurize: pressure begins to increase during slide block contact workpiece, when pressure increases to the force value of pressure relay setting, pressure relay sends the electrical signal touch switch and makes YA1, YA2, YA3 dead electricity, three position four-way electromagnetic valve is got back to meta, reach the dwell time, the time relay is connected, and YA2 gets electric, makes its hydraulic oil oil sump tank.
Rewind down: press fast backward button, the YA1 dead electricity, YA2, YA3 get electric, the second rod chamber oil-feed, the second rodless cavity, the first rodless cavity oil return.
Compare according to traditional oil cylinder and energy saving cylinder, advantage is as follows:
1. take the oil hydraulic press of same specification as example, traditional oil cylinder is compared with energy saving cylinder can save electric power 50%~60%, larger reduction energy consumption.
2. do not need the auxiliary cylinder that adds in addition, equipment oil cylinder layout overall structure is simple.
3. utilize the energy saving cylinder device fabrication convenient, net synchronization capability is good, and material is saved.Can realize making and use dual energy-conservation effect.
Description of drawings
Fig. 1 is traditional oils press schematic diagram.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is working drawing of the present utility model.
Fig. 4 is application structure schematic representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 2 and Fig. 3, the fast at a slow speed structure of stroke integrated energy-saving oil cylinder 13 is: main piston rod 23 is formed with the first rod chamber 25 and the first rodless cavity 26 in large tank 21, the first rod chamber 25 is provided with the first hydraulic fluid port 22, the first rodless cavity 26 is provided with the second hydraulic fluid port 20, be provided with axial oil pocket 24 in the body of main piston rod 23, be provided with fixed piston rod 17 at large tank 21, fixed piston rod 17 passes in the axial oil pocket 24 that the first rodless cavity 26 extends to main piston rod 23 and axially being formed with the second rod chamber 28 and the second rodless cavity 27 in the oil pocket 24, is provided with the first oil circuit 18 that is communicated with the second rodless cavity 27 and the second oil circuit 19 that is communicated with the second rod chamber 28 at fixed piston rod 17.
Referring to Fig. 2, Fig. 3 and Fig. 4, axial piston pump 2 is in transmission connection with motor 1, the import of axial piston pump 2 is connected with fuel tank 29, the outlet of axial piston pump 2 is by filter 3, one-way valve 4 is connected with the P mouth of three position four-way directional control valve 7, the T mouth of three position four-way directional control valve 7 is connected with fuel tank 29, the A mouth of three position four-way directional control valve 7 is connected with the import of one-way speed-regulating valve 9, the outlet of one-way speed-regulating valve 9 is connected with fast at a slow speed the second oil circuit 19 of stroke integrated energy-saving oil cylinder 13 by equilibrium valve 10, the B mouth of three position four-way directional control valve 7 is connected with fast at a slow speed the first oil circuit 18 of stroke integrated energy-saving oil cylinder 13 by Pilot operated check valve 11, the B mouth of three position four-way directional control valve 7 also is connected with fast at a slow speed the second hydraulic fluid port 20 of stroke integrated energy-saving oil cylinder 13 by sequence valve 12, the second hydraulic fluid port 20 is connected with fuel tank 29 by liquid-filling valve 14, Pilot operated check valve 11, the outlet of the one-way valve 4 after the hydraulic control end of liquid-filling valve 14 passes through 2/2-way solenoid directional control valve 15 and axial piston pump 2 exports is connected, the outlet of one-way valve 4 is connected with pressure gauge 6 by pressure meter switch 5, the outlet of the one-way valve 4 after axial piston pump 2 outlets is connected with relief valve 16, the B mouth of three position four-way directional control valve 7 is connected with pressure relay 8, and fast at a slow speed the first hydraulic fluid port 22 of stroke integrated energy-saving oil cylinder 13 is connected with fuel tank 29.
Referring to Fig. 2, Fig. 3 and Fig. 4, the explanation of energy-save oil press schematic diagram:
Equipment operation is regulated: relief valve 16 is transferred to 22MPa, and pressure relay 8 is adjusted to 22MPa, and equilibrium valve 10 is adjusted to 1MPa, and sequence valve 12 is adjusted to 2MPa, and the scale of one-way speed-regulating valve 9 is transferred to scale 4, presses top button and makes slide block descending fast.
Start the motor 1 of axial piston pump 2: solenoid valve YA1, YA2, YA3 dead electricity, three position four-way directional control valve valve position meta, the direct oil sump tank 29 of hydraulic oil.
F.F.: solenoid valve YA1 gets electric, YA2, YA3 dead electricity, and the second rodless cavity 27 oil-feeds of main piston rod 23 promote main piston rod 23 and glide, and the first rodless cavity 26 replenishes hydraulic oil, the first rod chamber 25 hydraulic oil oil sump tanks 29.
Change a job fast into: the YA1 of three position four-way directional control valve 7 gets electric, YA2, YA3 dead electricity, when system pressure behind the contact workpiece was elevated to the pressure of sequence valve 12 settings, pressure oil began 26 oil-feeds of the first rodless cavity, the second rodless cavity 27 continues into pressure oil, the first rod chamber 25 hydraulic oil oil sump tanks 29.
Pressurize: pressure begins to increase during slide block contact workpiece, when pressure increases to the force value of pressure relay 8 settings, pressure relay 8 sends the electrical signal touch switch and makes YA1, YA2, YA3 dead electricity, three position four-way directional control valve 7 is got back to meta, reach the dwell time, the time relay is connected, and YA2 gets electric, makes its hydraulic oil oil sump tank 29.
Rewind down: press fast backward button, the YA1 dead electricity, YA2, YA3 get electric, 28 oil-feeds of the second rod chamber, the second rodless cavity 27,26 oil returns of the first rodless cavity.
The hydraulic jack that disposes on the mechanical-hydraulic equipment now, great majority are traditional oil cylinder, as: hydraulic bending press, straightener, hydraulic plate shear, oil hydraulic press etc.Take 100 tons of oil hydraulic presses of a traditional oil cylinder and 100 tons of oil hydraulic presses loading onto energy saving cylinder relatively as example:
1. 100 of traditional oil cylinder tons of oil hydraulic press parameters and hydraulic schematic diagram are as follows:
Tradition oil cylinder: 100 tons of oil hydraulic presses, major parameter when stroke is 500 ㎜
Power of motor 11Kw, liquid maximum service pressure 25Mpa,
Oil pump 25YCY14-1B type 31.5Mpa 1000r/min 25L/min 0.42 L/s, oil cylinder φ 1220 ㎜, piston rod φ 2180 ㎜, two cavity areas compare φ 1/ φ 2=2.5, the oil cylinder total travel is 500 ㎜, φ 1Area 380 ㎝ 2, φ 2254 ㎝ 2, loculus area 126 ㎝ 2,
(stroke 500 ㎜) are 19dm without the bar volume 3, downgoing time 45s,
Rod chamber (stroke 500 ㎜) is 6.3dm 3, return interval 15s,
Without bar volume per second walking length 11 ㎜/s,
Bar volume per second walking length 33 ㎜/s is arranged.
2. fixedly the energy saving cylinder schematic diagram is as follows for the combined integrated piston rod of twin-tub:
Energy saving cylinder: 100 tons of oil hydraulic presses, stroke are 500 ㎜, major parameter when unloaded
Power of motor 4Kw
Liquid maximum service pressure 25Mpa
Oil pump 10YCY14-1B type 31.5Mpa 1500r/min 16L/min 0.267L/s
The operation oil cylinder:
Oil cylinder φ 1800 ㎜ piston rod φ 263 ㎜, two cavity areas compare φ 1/ φ 2=2.5
The oil cylinder total travel is 500 ㎜
φ 1Area 50 ㎝ 2φ 231 ㎝ 2Loculus area 19 ㎝ 2
(stroke 500 ㎜) are 2.5dm without the bar volume 3Downgoing time 9s
Rod chamber (stroke 500 ㎜) is 0.95dm 3Return interval 4s
Without bar volume per second walking length 56 ㎜/s
Bar volume per second walking length 125 ㎜/s is arranged
Energy saving cylinder: 100 tons of oil hydraulic presses, the major parameter when worker advances
Large tank diameter phi 250 ㎜ fixed piston rod diameter phi 63 ㎜
Fixed piston rod inner cylinder diameter phi 80 ㎜
Lifting surface area is 491-31+50=510 ㎝ 2
Every worker advances the required oil mass 0.051L of 1 ㎜
Work speed is 3.3 ㎜/s

Claims (2)

1. fast stroke integrated energy-saving oil cylinder at a slow speed, comprise large tank (21) and main piston rod (23), described main piston rod (23) is formed with the first rod chamber (25) and the first rodless cavity (26) in described large tank (21), described the first rod chamber (25) is provided with the first hydraulic fluid port (22), described the first rodless cavity (26) is provided with the second hydraulic fluid port (20), it is characterized in that: be provided with axial oil pocket (24) in the body of described main piston rod (23), be provided with fixed piston rod (17) at described large tank (21), described fixed piston rod (17) passes described the first rodless cavity (26) and extends in the axial oil pocket (24) of described main piston rod (23) and be formed with the second rod chamber (28) and the second rodless cavity (27) in described axial oil pocket (24), is provided with the first oil circuit (18) that is communicated with described the second rodless cavity (27) and the second oil circuit (19) that is communicated with described the second rod chamber (28) at described fixed piston rod (17).
2. application rights requires the 1 described fast at a slow speed device of stroke integrated energy-saving oil cylinder, comprise oil pump and fuel tank (29), it is characterized in that: the outlet of described oil pump is connected with the P mouth of three position four-way directional control valve by one-way valve (4), the T mouth of described three position four-way directional control valve (7) is connected with described fuel tank (29), the A mouth of described three position four-way directional control valve (7) is connected with the import of one-way speed-regulating valve (9), the outlet of described one-way speed-regulating valve (9) by equilibrium valve (10) with described soon at a slow speed second oil circuit (19) of stroke integrated energy-saving oil cylinder (13) be connected, the B mouth of described three position four-way directional control valve (7) by Pilot operated check valve (11) with described soon at a slow speed first oil circuit (18) of stroke integrated energy-saving oil cylinder (13) be connected, the B mouth of described three position four-way directional control valve (7) also by sequence valve (12) with described soon at a slow speed second hydraulic fluid port (20) of stroke integrated energy-saving oil cylinder (13) be connected, described the second hydraulic fluid port (20) is connected with described fuel tank (29) by liquid-filling valve (14), described Pilot operated check valve (11), the hydraulic control end of liquid-filling valve (14) is connected with described oil pump outlet by 2/2-way solenoid directional control valve (15), described oil pump outlet is connected with relief valve (16), the B mouth of described three position four-way directional control valve (7) is connected with pressure relay (8), described soon at a slow speed first hydraulic fluid port (22) of stroke integrated energy-saving oil cylinder (13) be connected with described fuel tank (29).
CN 201220214196 2012-05-14 2012-05-14 Energy-saving oil cylinder integrating fast stroke and slow stroke and application device thereof Expired - Fee Related CN202690569U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678662A (en) * 2012-05-14 2012-09-19 长沙金阳机械设备科技开发有限公司 Fast-slow speed stoke integrated energy-saving oil cylinder and application device thereof
CN104942918A (en) * 2015-06-30 2015-09-30 湖州南浔双林振森实木加工厂 Full-automatic hot-pressing equipment for wood floor
CN105800488A (en) * 2016-04-21 2016-07-27 兴化市通舟船舶设备有限公司 High-efficiency hydraulic device
CN112720020A (en) * 2020-12-31 2021-04-30 西京学院 Power sliding table hydraulic system of combined machine tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678662A (en) * 2012-05-14 2012-09-19 长沙金阳机械设备科技开发有限公司 Fast-slow speed stoke integrated energy-saving oil cylinder and application device thereof
CN104942918A (en) * 2015-06-30 2015-09-30 湖州南浔双林振森实木加工厂 Full-automatic hot-pressing equipment for wood floor
CN105800488A (en) * 2016-04-21 2016-07-27 兴化市通舟船舶设备有限公司 High-efficiency hydraulic device
CN105800488B (en) * 2016-04-21 2018-04-24 兴化市通舟船舶设备有限公司 A kind of efficient hydraulic device
CN112720020A (en) * 2020-12-31 2021-04-30 西京学院 Power sliding table hydraulic system of combined machine tool

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20170514

CF01 Termination of patent right due to non-payment of annual fee