CN106185662A - A kind of hoisting hydraulic system being applicable to crawler crane - Google Patents
A kind of hoisting hydraulic system being applicable to crawler crane Download PDFInfo
- Publication number
- CN106185662A CN106185662A CN201610562015.6A CN201610562015A CN106185662A CN 106185662 A CN106185662 A CN 106185662A CN 201610562015 A CN201610562015 A CN 201610562015A CN 106185662 A CN106185662 A CN 106185662A
- Authority
- CN
- China
- Prior art keywords
- oil circuit
- circuit control
- filter
- solenoid directional
- pump
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
Abstract
The invention discloses a kind of hoisting hydraulic system being applicable to crawler crane, it includes oil circuit control and high-pressure oil passage, the oil circuit control dosing pump being arranged on described oil circuit control, the main pump being arranged on described high-pressure oil passage, check valve, the 4th solenoid directional control valve and high pressure accumulator, electromotor, the 3rd solenoid directional control valve and low pressure accumulator.The drive shaft of described electromotor connects described oil circuit control dosing pump and described main pump, and it is provided commonly for providing power into crane with described main pump；Described 3rd solenoid directional control valve connects described low pressure accumulator and the quantitative delivery side of pump of described oil circuit control, and described low pressure accumulator is for stablizing the pressure of described oil circuit control.Described main delivery side of pump is connected to described check valve, and described 4th solenoid directional control valve connects described check valve and described high pressure accumulator, and the potential energy of described weight is reclaimed and stores when weight-drop by described high pressure accumulator, moves for elevator.
Description
Technical field
The invention belongs to crane association area, more particularly, to a kind of elevator hydraulic pressure being applicable to crawler crane
System.
Background technology
Crawler crane be hoisting operation is partially contained on crawler body, walk rely on crawler attachment flow-type lifting
Machine, can carry out material lifting, transport, load and unload and the operation such as installation.Crawler crane has that grounding pressure is little, radius of turn
Little, be suitable for severe ground, climbing capacity is big, lifting performance good, lift heavy operation need not to make a jack, can band to carry walking etc. excellent
Point, and grab bucket crane, electromagnetic lifter or piling machine etc. can be become by replacing suspender or increase special device, it is achieved
A tractor serves several purposes, carries out a work, earth and rock works, at power construction, urban construction, bridge construction, petrochemical industry, water conservancy and hydropower etc.
Sector application is extensive.
But, owing to the service load of crane changes greatly, bearing power changes greatly, when weight-drop, and weight
Potential energy strongly reduces and runs off in vain, can not get effectively utilizing, causes energy waste, reduce utilization rate.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides a kind of volume being applicable to crawler crane
Raise hydraulic system, its work characteristics based on crane, is designed for described hoisting hydraulic system.Described elevator hydraulic pressure
System uses main pump to provide power with electromotor for described crane, reduces the installed power needed for described electromotor；Meanwhile,
Described hoisting hydraulic system is also provided with high pressure accumulator and low pressure accumulator, and described high pressure accumulator will when weight-drop
The potential energy of described weight reclaims and stores, in order to uses when rising weight, improves utilization rate；Described low pressure accumulation of energy
Device is for the pressure of stability contorting oil sources, it is ensured that the stability of system.Additionally, described hoisting hydraulic system also uses hydraulic pressure transformation
Device is as controlling element replacing original main valve, it is to avoid restriction loss, improves transmission efficiency.
For achieving the above object, the invention provides a kind of hoisting hydraulic system being applicable to crawler crane, it includes
Oil circuit control and high-pressure oil passage, the oil circuit control dosing pump being arranged on described oil circuit control, it is arranged on described high-pressure oil passage
Main pump, check valve, the 4th solenoid directional control valve and high pressure accumulator, electromotor, the 3rd solenoid directional control valve, low pressure accumulator,
One hydraulic transformer, the second hydraulic transformer, the first solenoid directional control valve, the second solenoid directional control valve, main winch motor and secondary elevator
Motor, it is characterised in that:
The drive shaft of described electromotor connects described oil circuit control dosing pump and described main pump, and it is used jointly with described main pump
In providing power for crane；Described 3rd solenoid directional control valve connects described low pressure accumulator and described oil circuit control dosing pump
Outlet, described low pressure accumulator is for stablizing the pressure of described oil circuit control；
Described main delivery side of pump is connected to described check valve, and described 4th solenoid directional control valve connects described check valve and described
High pressure accumulator, the potential energy of described weight is reclaimed and stores when weight-drop by described high pressure accumulator, with
Move for elevator；
Described first hydraulic transformer and arranged side by side being connected on described high-pressure oil passage of described second hydraulic transformer, described
First solenoid directional control valve connects described first hydraulic transformer and described main winch motor；Described second solenoid directional control valve connects institute
State secondary hoist motor and described second hydraulic transformer；Described hoisting hydraulic system respectively by described first hydraulic transformer and
Described second hydraulic transformer controls described main winch motor and described secondary hoist motor.
Further, described main pump is dosing pump.
Further, described hoisting hydraulic system also includes the first filter, the second filter, the 3rd filter and the 4th
Filter；Described oil circuit control dosing pump and described main pump are connected by described first filter and described second filter respectively
In oil cylinder.
Further, described hoisting hydraulic system also includes relief valve, described relief valve connect described 3rd filter and
High-pressure oil passage between described check valve and described main pump, described 3rd filter is connected to described oil cylinder.
Further, described hoisting hydraulic system also includes low pressure relief valve, and described low pressure relief valve connects described control
Oil circuit and described 4th filter, described 4th filter is connected to described oil cylinder；Described low pressure relief valve is used for controlling described
The pressure controlling oil sources of oil circuit control.
In general, by the contemplated above technical scheme of the present invention compared with prior art, what the present invention provided is suitable
For the hoisting hydraulic system of crawler crane, described hoisting hydraulic system uses main pump to provide for described crane with electromotor
Power, reduces the installed power needed for described electromotor；Meanwhile, described hoisting hydraulic system be also provided with high pressure accumulator and
Low pressure accumulator, the potential energy of described weight is reclaimed and stores when weight-drop by described high pressure accumulator, with
Just weight uses when rising, and improves utilization rate；Described low pressure accumulator is for the pressure of stability contorting oil sources, it is ensured that system
Stability.Additionally, described hoisting hydraulic system also uses hydraulic transformer as controlling element to replace original main valve, it is to avoid
Restriction loss, improves transmission efficiency.
Accompanying drawing explanation
Fig. 1 is the block diagram of the hoisting hydraulic system being applicable to crawler crane that better embodiment of the present invention provides.
In all of the figs, identical reference is used for representing identical element or structure, wherein: 1-electromotor, 2-
Oil circuit control dosing pump, 3-main pump, 4-relief valve, 5-low pressure relief valve, 6-the first solenoid directional control valve, 7-the second electromagnetic switch
Valve, 8-check valve, 9-the first hydraulic transformer, 10-the second hydraulic transformer, 11-low pressure accumulator, 12-the 3rd electromagnetic switch
Valve, 13-the 4th solenoid directional control valve, 14-high pressure accumulator, 15-the first filter, 16-the second filter, 17-the 3rd filter,
18-the 4th filter, 19-main winch motor, 20-pair hoist motor.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.If additionally, technical characteristic involved in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
Refer to Fig. 1, the hoisting hydraulic system being applicable to crawler crane that better embodiment of the present invention provides, its shape
Become to have oil circuit control and high-pressure oil passage.Described hoisting hydraulic system includes electromotor 1, oil circuit control dosing pump 2, main pump 3, safety
Valve 4, low pressure relief valve the 5, first solenoid directional control valve the 6, second solenoid directional control valve 7, check valve the 8, first hydraulic transformer 9, second
Hydraulic transformer 10, low pressure accumulator the 11, the 3rd solenoid directional control valve the 12, the 4th solenoid directional control valve 13, high pressure accumulator 14, first
Filter the 15, second filter the 16, the 3rd filter the 17, the 4th filter 18, main winch motor 19 and secondary hoist motor 20.Institute
State oil circuit control dosing pump 2 to be arranged on described oil circuit control.Described main pump 3, described check valve 8, described 4th electromagnetic switch
Valve 13 and described high pressure accumulator 14 are arranged on described high-pressure oil passage.
The drive shaft of described electromotor 1 connects described oil circuit control dosing pump 2 and described main pump 3, and it is with described main pump 3 altogether
With for providing power for crane.In present embodiment, described main pump 3 is dosing pump.Going out of described oil circuit control dosing pump 2
Mouth is connected to described low pressure accumulator 11 by described 3rd solenoid directional control valve 12, and described low pressure accumulator 11 is for stable described
The pressure of oil circuit control, to guarantee the stability of described hoisting hydraulic system.The entrance of described oil circuit control dosing pump 2 passes through institute
State the first filter 15 and be connected to oil cylinder.
The outlet of described main pump 3 is connected to described check valve 8, and described 4th solenoid directional control valve 13 connects described check valve 8
And described high pressure accumulator 14, the potential energy of described weight was reclaimed and has stored when weight declines by described high pressure accumulator 14
Come, for driving the motion of other elevators.Described 4th electromagnetic valve 13 is for carrying out pressure release to described high pressure accumulator 14.
The entrance of described main pump 3 is connected to described oil cylinder by described second filter 16.
Described relief valve 4 is connected to described high-pressure oil passage, and specifically, described relief valve 4 is connected to described check valve 8 and institute
State the high-pressure oil passage between main pump 3.Described relief valve 4 is connected to described oil cylinder by described 3rd filter 17.
Described low pressure relief valve 5 connects described oil circuit control and described 4th filter 18, and described 4th filter 18 is even
It is connected to described oil cylinder.In present embodiment, described low pressure relief valve 5 is for controlling the highest of the control oil sources of described oil circuit control
Pressure.
What the mouth A of described first the hydraulic transformer 9 and mouth A of described second hydraulic transformer 10 was arranged side by side is connected to described height
Force feed road, described first solenoid directional control valve 6 connects described main winch motor 19 and the mouth B of described first hydraulic transformer 9.Described
Second solenoid directional control valve 7 connects the mouth B of described second hydraulic transformer 10 and described secondary hoist motor 20.Described elevator hydraulic pressure system
System controls described main winch motor 19 and described by described first hydraulic transformer 9 and described second hydraulic transformer 10 respectively
Secondary hoist motor 20, and then realize hoisting or falling of described weight.
In present embodiment, the quantity of described main winch motor 19 and the quantity of described secondary hoist motor 20 are one；
It is appreciated that in other embodiments, the quantity of described main winch motor 19 and the quantity of described secondary hoist motor 20
To increase according to actual needs.
The present invention provide the hoisting hydraulic system being applicable to crawler crane, described hoisting hydraulic system use main pump with
Electromotor provides power for described crane, reduces the installed power needed for described electromotor；Meanwhile, described elevator hydraulic pressure system
System be also provided with high pressure accumulator and low pressure accumulator, described high pressure accumulator for weight-drop time by the potential energy of described weight
Reclaim and store, in order to use when weight rises, improve utilization rate；Described low pressure accumulator is used for stability contorting
The pressure of oil sources, it is ensured that the stability of system.Additionally, described hoisting hydraulic system also uses hydraulic transformer as controlling element
Replacing original main valve, it is to avoid restriction loss, improve transmission efficiency.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should comprise
Within protection scope of the present invention.
Claims (5)
1. be applicable to a hoisting hydraulic system for crawler crane, it include oil circuit control and high-pressure oil passage, be arranged on described
Oil circuit control dosing pump on oil circuit control, the main pump being arranged on described high-pressure oil passage, check valve, the 4th solenoid directional control valve and
High pressure accumulator, electromotor, the 3rd solenoid directional control valve, low pressure accumulator, the first hydraulic transformer, the second hydraulic transformer,
One solenoid directional control valve, the second solenoid directional control valve, main winch motor and secondary hoist motor, it is characterised in that:
The drive shaft of described electromotor connects described oil circuit control dosing pump and described main pump, its be provided commonly for described main pump into
Crane provides power；Described 3rd solenoid directional control valve connects going out of described low pressure accumulator and described oil circuit control dosing pump
Mouthful, described low pressure accumulator is for stablizing the pressure of described oil circuit control；
Described main delivery side of pump is connected to described check valve, and described 4th solenoid directional control valve connects described check valve and described high pressure
Accumulator, the potential energy of described weight is reclaimed and stores when weight-drop by described high pressure accumulator, for
Elevator moves；
Described first hydraulic transformer and arranged side by side being connected on described high-pressure oil passage of described second hydraulic transformer, described first
Solenoid directional control valve connects described first hydraulic transformer and described main winch motor；Described second solenoid directional control valve connects described pair
Hoist motor and described second hydraulic transformer；Described hoisting hydraulic system is respectively by described first hydraulic transformer and described
Second hydraulic transformer controls described main winch motor and described secondary hoist motor.
It is applicable to the hoisting hydraulic system of crawler crane the most as claimed in claim 1, it is characterised in that: described main pump is fixed
Amount pump.
It is applicable to the hoisting hydraulic system of crawler crane the most as claimed in claim 1, it is characterised in that: described elevator hydraulic pressure
System also includes the first filter, the second filter, the 3rd filter and the 4th filter；Described oil circuit control dosing pump and institute
State main pump and be connected to oil cylinder by described first filter and described second filter respectively.
It is applicable to the hoisting hydraulic system of crawler crane the most as claimed in claim 3, it is characterised in that: described elevator hydraulic pressure
System also includes relief valve, and described relief valve connects the high pressure between described 3rd filter and described check valve and described main pump
Oil circuit, described 3rd filter is connected to described oil cylinder.
It is applicable to the hoisting hydraulic system of crawler crane the most as claimed in claim 3, it is characterised in that: described elevator hydraulic pressure
System also includes low pressure relief valve, and described low pressure relief valve connects described oil circuit control and described 4th filter, the described 4th
Filter is connected to described oil cylinder；Described low pressure relief valve is for controlling the pressure controlling oil sources of described oil circuit control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562015.6A CN106185662A (en) | 2016-07-18 | 2016-07-18 | A kind of hoisting hydraulic system being applicable to crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562015.6A CN106185662A (en) | 2016-07-18 | 2016-07-18 | A kind of hoisting hydraulic system being applicable to crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106185662A true CN106185662A (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610562015.6A Pending CN106185662A (en) | 2016-07-18 | 2016-07-18 | A kind of hoisting hydraulic system being applicable to crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106185662A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055328A (en) * | 2017-03-24 | 2017-08-18 | 中国人民解放军装甲兵工程学院 | Hydraulic system and the hoisting apparatus for rescue |
| CN107253680A (en) * | 2017-07-18 | 2017-10-17 | 徐州工程学院 | A kind of strong rammer winding system of use hydraulic transformer |
| CN111237294A (en) * | 2020-01-10 | 2020-06-05 | 浙江中锐重工科技有限公司 | Hydraulic system of walking pile driver |
| CN111536093A (en) * | 2020-05-08 | 2020-08-14 | 山东交通学院 | Energy-saving upright post ramming and drawing hydraulic system |
| WO2021031639A1 (en) * | 2019-08-21 | 2021-02-25 | 山河智能装备股份有限公司 | Winch potential energy real-time recycling system and control method therefor |
| CN112758850A (en) * | 2020-12-31 | 2021-05-07 | 南通中远海运船务工程有限公司 | Hydraulic transformer controller and winch system of deep water dynamic positioning crude oil conveying device |
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| EP1172325A2 (en) * | 2000-07-13 | 2002-01-16 | Kobelco Construction Machinery Co., Ltd. | Control device for hydraulic drive winch |
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| JP2008189437A (en) * | 2007-02-05 | 2008-08-21 | Hitachi Constr Mach Co Ltd | Winch device |
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| CN101993013A (en) * | 2009-08-15 | 2011-03-30 | 广西华力集团有限公司 | Hydraulic system for sideboom |
| CN102606549A (en) * | 2012-03-23 | 2012-07-25 | 三一集团有限公司 | Hydraulic energy-saving system and hydraulic hoisting equipment |
| CN103321974A (en) * | 2012-03-24 | 2013-09-25 | 何荣志 | Novel energy-saving hydraulic station |
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| EP1172325A2 (en) * | 2000-07-13 | 2002-01-16 | Kobelco Construction Machinery Co., Ltd. | Control device for hydraulic drive winch |
| US20050045861A1 (en) * | 2002-07-15 | 2005-03-03 | Joop Roodenburg | Rollercoaster launch system |
| JP2008189437A (en) * | 2007-02-05 | 2008-08-21 | Hitachi Constr Mach Co Ltd | Winch device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055328A (en) * | 2017-03-24 | 2017-08-18 | 中国人民解放军装甲兵工程学院 | Hydraulic system and the hoisting apparatus for rescue |
| CN107055328B (en) * | 2017-03-24 | 2019-05-10 | 中国人民解放军装甲兵工程学院 | Hydraulic system and hoisting apparatus for rescue |
| CN107253680A (en) * | 2017-07-18 | 2017-10-17 | 徐州工程学院 | A kind of strong rammer winding system of use hydraulic transformer |
| WO2021031639A1 (en) * | 2019-08-21 | 2021-02-25 | 山河智能装备股份有限公司 | Winch potential energy real-time recycling system and control method therefor |
| CN111237294A (en) * | 2020-01-10 | 2020-06-05 | 浙江中锐重工科技有限公司 | Hydraulic system of walking pile driver |
| CN111237294B (en) * | 2020-01-10 | 2021-10-19 | 浙江中锐重工科技有限公司 | Hydraulic system of walking pile driver |
| CN111536093A (en) * | 2020-05-08 | 2020-08-14 | 山东交通学院 | Energy-saving upright post ramming and drawing hydraulic system |
| CN112758850A (en) * | 2020-12-31 | 2021-05-07 | 南通中远海运船务工程有限公司 | Hydraulic transformer controller and winch system of deep water dynamic positioning crude oil conveying device |
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Application publication date: 20161207 |