CN107902574A - Grab bucket jib lubbing mechanism fluid power system for grab bucket dredger - Google Patents
Grab bucket jib lubbing mechanism fluid power system for grab bucket dredger Download PDFInfo
- Publication number
- CN107902574A CN107902574A CN201711260826.1A CN201711260826A CN107902574A CN 107902574 A CN107902574 A CN 107902574A CN 201711260826 A CN201711260826 A CN 201711260826A CN 107902574 A CN107902574 A CN 107902574A
- Authority
- CN
- China
- Prior art keywords
- grab bucket
- luffing
- jib lubbing
- lubbing mechanism
- power system
- 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
-
- 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
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/58—Component parts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
This application discloses a kind of grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, including luffing hydraulic pump, throttle valve, two-position two-way electromagnetic directional valve and luffing motor, the throttle valve is connected between luffing hydraulic pump and two-position two-way electromagnetic directional valve, the two-position two-way electromagnetic directional valve is connected to luffing motor, the luffing motor, which acts on amplitude-changing drum, can simultaneously drive it to rotate forward or backwards, the amplitude-changing drum is wound with steel cable, the jib lubbing mechanism of the end connection grab bucket crane arm of the steel cable.The hydraulic luffing motor of the utility model is two-way function, drives amplitude-changing drum to rotate by reduction box and shaft coupling, controls jib lubbing mechanism to complete luffing movement using steel cable, and starts brake by control oil circuit, hydraulic motor is reliably braked.
Description
Technical field
This application involves a kind of dredger, more particularly to a kind of grab bucket jib lubbing mechanism hydraulic pressure for grab bucket dredger
Drive system.
Background technology
The task of dredger is to carry out the construction of the underwater cubic metre of earth and stone, is exactly specifically：Digging is deep, widens and clears up existing boat
Road and harbour；Excavate new navigation channel, harbour and canal；Dredge harbour, dock, ship lock and other hydraulic structures foundation trench and
The silt dug out is thrown into deep-sea or hydraulic reclamation to build up fields in land depression.
In grab bucket dredger, moved by the jib lubbing mechanism for crane arm of grabbing bucket to complete the luffing of crane arm, but it is existing
Have that the drive system of jib lubbing mechanism is unstable, poor reliability.
The content of the invention
It is an object of the invention to provide a kind of grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, with
Overcome deficiency of the prior art.
To achieve the above object, the present invention provides following technical solution：
The embodiment of the present application discloses a kind of grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, including becomes
Width hydraulic pump, throttle valve, two-position two-way electromagnetic directional valve and luffing motor, the throttle valve are connected to luffing hydraulic pump and two
Between two electric change valves, the two-position two-way electromagnetic directional valve is connected to luffing motor, and the luffing motor acts on change
Width reel can simultaneously drive it to rotate forward or backwards, and the amplitude-changing drum is wound with steel cable, the end connection grab bucket of the steel cable
The jib lubbing mechanism of crane arm.
Preferably, in the above-mentioned grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, the luffing
Hydraulic pump is communicated with return filter.
Preferably, in the above-mentioned grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, luffing motor
Reduction box and shaft coupling are connected between amplitude-changing drum.
Preferably, in the above-mentioned grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, the throttling
Valve selects MG type throttle valves.
Preferably, in the above-mentioned grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, throttle valve-type
Number it is MG25G1.2 types.
Preferably, in the above-mentioned grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, the luffing
Motor model H2V226SL2.
Compared with prior art, the advantage of the invention is that：The hydraulic luffing motor of the utility model is two-way function, by subtracting
Fast case and shaft coupling drive amplitude-changing drum to rotate, and control jib lubbing mechanism to complete luffing movement using steel cable, and by control oil circuit
To start brake, hydraulic motor is set reliably to be braked.
Brief description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 show the original of the grab bucket jib lubbing mechanism fluid power system of grab bucket dredger in the specific embodiment of the invention
Manage schematic diagram.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
With reference to shown in Fig. 1, for the grab bucket jib lubbing mechanism fluid power system of grab bucket dredger, including luffing hydraulic pump
1st, throttle valve 2, two-position two-way electromagnetic directional valve 3 and luffing motor 4, the throttle valve 2 are connected to luffing hydraulic pump 1 and two two
Between electric change valve 3, the two-position two-way electromagnetic directional valve 3 is connected to luffing motor 4, and the luffing motor 4 acts on
Amplitude-changing drum can simultaneously drive it to rotate forward or backwards, and the amplitude-changing drum is wound with steel cable, and the end connection of the steel cable is grabbed
The jib lubbing mechanism of bucket crane arm.
Will grab bucket lifting, close next, moved by the jib lubbing mechanism of crane arm of grabbing bucket to complete the luffing of crane arm, luffing
Mechanism, which has the special feature that, is：After grab bucket lifting, locking, moved by the jib lubbing mechanism for crane arm of grabbing bucket to complete crane arm
Luffing.
In this case, hydraulic motor is two-way function, drives amplitude-changing drum to rotate by reduction box and shaft coupling, utilizes steel cable
To control jib lubbing mechanism to complete luffing movement, and brake is started by control oil circuit, hydraulic motor is reliably braked.
Further, the luffing hydraulic pump 1 is communicated with return filter 5.
Return filter is located on the oil return line of system, and it is that the pollutant for producing or invading in system is being returned that it, which is acted on,
Captured before oil return box.Therefore it is the most effective most important filter of control system pollution concentration.
Further, reduction box and shaft coupling are connected between luffing motor 4 and amplitude-changing drum.
In a preferred embodiment, the throttle valve 2 selects MG type throttle valves.
In a preferred embodiment, 2 model MG25G1.2 types of throttle valve.
In this case, throttle valve 2 is to control the valve of fluid flow by varying throttling section or chock length.
In a preferred embodiment, the 4 model H2V226SL2 of luffing motor.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (6)
1. a kind of grab bucket jib lubbing mechanism fluid power system for grab bucket dredger, it is characterised in that including luffing hydraulic pressure
Pump, throttle valve, two-position two-way electromagnetic directional valve and luffing motor, the throttle valve are connected to luffing hydraulic pump and bi-bit bi-pass electricity
Between magnetic reversal valve, the two-position two-way electromagnetic directional valve is connected to luffing motor, and the luffing motor acts on amplitude-changing drum
And it can be driven to rotate forward or backwards, the amplitude-changing drum is wound with steel cable, the end connection grab bucket crane arm of the steel cable
Jib lubbing mechanism.
2. the grab bucket jib lubbing mechanism fluid power system according to claim 1 for grab bucket dredger, its feature exists
In the luffing hydraulic pump is communicated with return filter.
3. the grab bucket jib lubbing mechanism fluid power system according to claim 1 for grab bucket dredger, its feature exists
In being connected with reduction box and shaft coupling between luffing motor and amplitude-changing drum.
4. the grab bucket jib lubbing mechanism fluid power system according to claim 1 for grab bucket dredger, its feature exists
In the throttle valve selects MG type throttle valves.
5. the grab bucket jib lubbing mechanism fluid power system according to claim 4 for grab bucket dredger, its feature exists
In throttle valve model MG25G1.2 types.
6. the grab bucket jib lubbing mechanism fluid power system according to claim 1 for grab bucket dredger, its feature exists
In the luffing motor model H2V226SL2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260826.1A CN107902574A (en) | 2017-12-04 | 2017-12-04 | Grab bucket jib lubbing mechanism fluid power system for grab bucket dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260826.1A CN107902574A (en) | 2017-12-04 | 2017-12-04 | Grab bucket jib lubbing mechanism fluid power system for grab bucket dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107902574A true CN107902574A (en) | 2018-04-13 |
Family
ID=61854128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711260826.1A Pending CN107902574A (en) | 2017-12-04 | 2017-12-04 | Grab bucket jib lubbing mechanism fluid power system for grab bucket dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107902574A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079576A (en) * | 1995-12-13 | 2000-06-27 | Liebherr-Werk Ehingen Gmbh | Control device for a hoist mechanism of a crane |
| US20090100830A1 (en) * | 2007-09-28 | 2009-04-23 | Klaus Schneider | Hydraulic drive system |
| CN106542448A (en) * | 2016-12-28 | 2017-03-29 | 潍柴动力股份有限公司 | A kind of hydraulic closed system, hydraulic closed walking and hoisting system |
| CN207511734U (en) * | 2017-12-04 | 2018-06-19 | 苏州海霸设备制造有限公司 | For the grab bucket jib lubbing mechanism fluid power system of grab bucket dredger |
-
2017
- 2017-12-04 CN CN201711260826.1A patent/CN107902574A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079576A (en) * | 1995-12-13 | 2000-06-27 | Liebherr-Werk Ehingen Gmbh | Control device for a hoist mechanism of a crane |
| US20090100830A1 (en) * | 2007-09-28 | 2009-04-23 | Klaus Schneider | Hydraulic drive system |
| CN106542448A (en) * | 2016-12-28 | 2017-03-29 | 潍柴动力股份有限公司 | A kind of hydraulic closed system, hydraulic closed walking and hoisting system |
| CN207511734U (en) * | 2017-12-04 | 2018-06-19 | 苏州海霸设备制造有限公司 | For the grab bucket jib lubbing mechanism fluid power system of grab bucket dredger |
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