CN105366570A - A-shaped frame amplitude varying mechanism - Google Patents
A-shaped frame amplitude varying mechanism Download PDFInfo
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- CN105366570A CN105366570A CN201510801719.XA CN201510801719A CN105366570A CN 105366570 A CN105366570 A CN 105366570A CN 201510801719 A CN201510801719 A CN 201510801719A CN 105366570 A CN105366570 A CN 105366570A
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- amplitude varying
- oil cylinder
- shaped frame
- fixed
- oil cylinders
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Abstract
The invention discloses an A-shaped frame amplitude varying mechanism. The A-shaped frame amplitude varying mechanism comprises an n-shaped frame, oil cylinder supports, two first amplitude varying oil cylinders and two second amplitude varying oil cylinders. The n-shaped frame comprises a cross beam and two vertical posts fixedly connected with the two ends of the cross beam respectively. The two vertical posts are connected to a base in a pivoted mode. The oil cylinder supports are fixed to the base. One ends of the two first amplitude varying oil cylinders and one ends of the two second amplitude varying oil cylinders are fixed to the oil cylinder supports, the other ends of the two first amplitude varying oil cylinders and the other ends of the two second amplitude varying oil cylinders are fixed to the two vertical posts respectively, and the two first amplitude varying oil cylinders and the two second amplitude varying oil cylinders are arranged on the two sides of the n-shaped frame respectively and are located on the two sides of the two vertical posts in the arraying direction respectively. According to the A-shaped frame amplitude varying mechanism, the two first amplitude varying oil cylinders and the two second amplitude varying oil cylinders are arranged on the two sides of the n-shaped frame and are located on the two sides of the two vertical posts in the arraying direction, and hence the space in front of arm frames is large; meanwhile, the supplied amplitude varying pushing force and the tensile force are large, so that the bending moments on cylinder bodies and piston rods by the deadweight of an A-shaped frame are borne sufficiently within an amplitude varying range, and the reverse load can also be balanced steadily through a hydraulic system.
Description
Technical field
The present invention relates to lifting technical field of crane equipment, particularly relate to a kind of A cabinet frame luffing mechanism.
Background technology
The bottom of A cabinet frame adopts articulated form with base usually, and floor installation is on deck in ship structure face, and bolt connects, and the middle part of A cabinet frame is by the effect realization rotation of luffing amplitude oil cylinder.
Traditional luffing amplitude oil cylinder is different from the mutual alignment of crane arm by its amplitude oil cylinder, can be divided into forward type, rear-mounted and rear pull type three kinds.Forward type luffing thrust is little, and jib bracketed part is short, and below jib, available space is little.The luffing thrust of rear-mounted needs is large, and jib bracketed part is long, and jib is stressed unfavorable.Rear pull type is used for non-telescoping row posture jib, and jib front space is large.A cabinet frame luffing mechanism adopts 4 amplitude oil cylinder symmetries to install the both sides of the gyratory directions of supporting leg, in A cabinet frame turning course, remains two amplitude oil cylinder tensions, two amplitude oil cylinder pressurizeds.Ensure within the scope of luffing, to bear external force and the moment of flexure produced cylinder body and piston rod of conducting oneself with dignity.The motion that hoists adopts towing winch haulage cable to carry out action, is connected with the upper movable and fixed pulley of A cabinet frame by being arranged on the deflection sheave on deck plane.The each mechanism action of A cabinet frame adopts electricity, liquid mode.Luffing moves and hoists to move and do not link, and adopts Bidirectional locking to control luffing and the motion that hoists.But the available space below which jib is little.
Summary of the invention
The application provides a kind of A cabinet frame luffing mechanism, and below the jib solving A cabinet frame of the prior art, available space is little, the stressed disadvantageous technical matters of jib.
The application provides a kind of A cabinet frame luffing mechanism, and described A cabinet frame luffing mechanism comprises door type frame, cylinder support, two the first amplitude oil cylinder and two the second amplitude oil cylinder;
Two columns that described door type frame comprises crossbeam and is fixedly connected with the two ends of described crossbeam, described two columns are articulated on base;
Described cylinder support is fixed on described base;
Described two the first amplitude oil cylinder and described two second amplitude oil cylinder one end are fixed on described cylinder support, the other end is individually fixed on described two columns, and be arranged at the both sides of described door type frame respectively, and be positioned at the both sides in the orientation of described two columns.
Preferably, described column is provided with strut, when described A cabinet frame does not use, described strut is supported on described base.
Preferably, one end of described two the first amplitude oil cylinder is fixed in the same rotating shaft of described column, and the other end is fixed on positions different on described cylinder support.
Preferably, one end of described two the second amplitude oil cylinder is fixed in the same rotating shaft of described column, and the other end is fixed on positions different on described cylinder support.
Preferably, described two columns are respectively arranged with the angular transducer of the change angle for detecting described two columns.
The application's beneficial effect is as follows:
The application adopts two the first amplitude oil cylinder and two the second amplitude oil cylinder, be arranged at the both sides of described door type frame respectively, and the both sides be positioned in the orientation of described two columns, make jib front space large, the luffing thrust simultaneously provided and pulling force large, be enough to bear within the scope of luffing the moment of flexure that the deadweight of A cabinet frame produces cylinder body and piston rod, hydraulic efficiency pressure system also stably can balance reverse load, below the jib solving A cabinet frame of the prior art, available space is little, the stressed disadvantageous technical matters of jib.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described by the accompanying drawing used required in describing embodiment below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is the front view of the application better embodiment A cabinet frame luffing mechanism;
Fig. 2 is the lateral plan of A cabinet frame luffing mechanism in Fig. 1;
Fig. 3 is the schematic diagram of diverse location on gyratory directions of A cabinet frame luffing mechanism in Fig. 2.
Detailed description of the invention
The embodiment of the present application is by providing a kind of A cabinet frame luffing mechanism, and below the jib solving A cabinet frame of the prior art, available space is little, the stressed disadvantageous technical matters of jib.
Technical scheme in the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
A kind of A cabinet frame luffing mechanism, described A cabinet frame luffing mechanism comprises door type frame, cylinder support, two the first amplitude oil cylinder and two the second amplitude oil cylinder;
Two columns that described door type frame comprises crossbeam and is fixedly connected with the two ends of described crossbeam, described two columns are articulated on base;
Described cylinder support is fixed on described base;
Described two the first amplitude oil cylinder and described two second amplitude oil cylinder one end are fixed on described cylinder support, the other end is individually fixed on described two columns, and be arranged at the both sides of described door type frame respectively, and be positioned at the both sides in the orientation of described two columns.
The application adopts two the first amplitude oil cylinder and two the second amplitude oil cylinder, be arranged at the both sides of described door type frame respectively, and the both sides be positioned in the orientation of described two columns, make jib front space large, the luffing thrust simultaneously provided and pulling force large, be enough to bear within the scope of luffing the moment of flexure that the deadweight of A cabinet frame produces cylinder body and piston rod, hydraulic efficiency pressure system also stably can balance reverse load, below the jib solving A cabinet frame of the prior art, available space is little, the stressed disadvantageous technical matters of jib.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
In order to solve A cabinet frame of the prior art jib below available space little, the stressed disadvantageous technical matters of jib, the application provides a kind of A cabinet frame luffing mechanism.As shown in Figure 1, Figure 2 and Figure 3, described A cabinet frame luffing mechanism comprises door type frame 11, cylinder support 12, two the first amplitude oil cylinder 13 and two the second amplitude oil cylinder 14.
Two columns 112 that described door type frame 11 comprises crossbeam 111 and is fixedly connected with the two ends of crossbeam 111, described two columns 112 are articulated in base (not shown).
Described cylinder support 12 is fixed on described base.
Described two the first amplitude oil cylinder 13 and two second amplitude oil cylinder 14 one end are fixed on described cylinder support 12, the other end is individually fixed on described two columns 112, and be arranged at the both sides of described door type frame 11 respectively, and be positioned at the both sides in the orientation of described two columns 112.
Particularly, one end of described two the first amplitude oil cylinder 13 is fixed in the same rotating shaft of described column 112, and the other end is fixed on positions different on described cylinder support 12.One end of described two the second amplitude oil cylinder 14 is fixed in the same rotating shaft of described column 112, and the other end is fixed on positions different on described cylinder support 12.
Amplitude oil cylinder all adopts Electro-hydraulic drive, and 4 amplitude oil cylinder assemblies carry out work according to different combinations, amplitude oil cylinder assembly maximum pull 586t, and in work, amplitude oil cylinder piston rod is based on tension; Consider synchronous during work; The one way luffing time is 350s.
Column 112 adopts the box-structure of Plate Welding, and arrange the arm-tie connecting amplitude oil cylinder in the middle part of column 112, column 112 bottom arranges hinge arm-tie.Bolt end and afterbody sealing shroud seal, and ensure bolt anti-corrosion.Cylinder support 12 adopts welded-steel plate construction, and arrange column 112 hinge mount pad and cylinder installation seat, cylinder support 12 is connected with the base be welded on deck plane by bolt with free bearing.Bolt end and afterbody sealing shroud seal, and ensure bolt anti-corrosion.End face of flange perforate adopts the sealing means of welding thin plate to seal, and prevents structure erosion.
Described column 112 is provided with strut 15, and when described A cabinet frame does not use, described strut is supported on described base.
Described two columns 112 are respectively arranged with the angular transducer of the change angle for detecting described two columns 112, by comparing the detected value of angular transducer, judge that whether the luffing of described two columns 112 is consistent.
The application adopts two the first amplitude oil cylinder 13 and two the second amplitude oil cylinder 14, be arranged at the both sides of described door type frame 11 respectively, and the both sides be positioned in the orientation of described two columns 112, make jib front space large, the luffing thrust simultaneously provided and pulling force large, be enough to bear within the scope of luffing the moment of flexure that the deadweight of A cabinet frame produces cylinder body and piston rod, hydraulic efficiency pressure system also stably can balance reverse load, below the jib solving A cabinet frame of the prior art, available space is little, the stressed disadvantageous technical matters of jib.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (5)
1. an A cabinet frame luffing mechanism, is characterized in that, described A cabinet frame luffing mechanism comprises door type frame, cylinder support, two the first amplitude oil cylinder and two the second amplitude oil cylinder;
Two columns that described door type frame comprises crossbeam and is fixedly connected with the two ends of described crossbeam, described two columns are articulated on base;
Described cylinder support is fixed on described base;
Described two the first amplitude oil cylinder and described two second amplitude oil cylinder one end are fixed on described cylinder support, the other end is individually fixed on described two columns, and be arranged at the both sides of described door type frame respectively, and be positioned at the both sides in the orientation of described two columns.
2. A cabinet frame luffing mechanism as claimed in claim 1, it is characterized in that, described column is provided with strut, when described A cabinet frame does not use, described strut is supported on described base.
3. A cabinet frame luffing mechanism as claimed in claim 1, it is characterized in that, one end of described two the first amplitude oil cylinder is fixed in the same rotating shaft of described column, and the other end is fixed on positions different on described cylinder support.
4. A cabinet frame luffing mechanism as claimed in claim 1, it is characterized in that, one end of described two the second amplitude oil cylinder is fixed in the same rotating shaft of described column, and the other end is fixed on positions different on described cylinder support.
5. the A cabinet frame luffing mechanism as described in claim arbitrary in claim 1-4, is characterized in that, described two columns are respectively arranged with the angular transducer of the change angle for detecting described two columns.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510801719.XA CN105366570A (en) | 2015-11-19 | 2015-11-19 | A-shaped frame amplitude varying mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510801719.XA CN105366570A (en) | 2015-11-19 | 2015-11-19 | A-shaped frame amplitude varying mechanism |
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CN105366570A true CN105366570A (en) | 2016-03-02 |
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CN201510801719.XA Pending CN105366570A (en) | 2015-11-19 | 2015-11-19 | A-shaped frame amplitude varying mechanism |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112591012A (en) * | 2020-12-18 | 2021-04-02 | 武昌船舶重工集团有限公司 | Ship A-shaped frame and ship |
CN114348868A (en) * | 2022-03-11 | 2022-04-15 | 太原矿机电气股份有限公司 | Telescopic lifting beam for coal mine monorail crane |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201890731U (en) * | 2010-11-30 | 2011-07-06 | 南车成都机车车辆有限公司 | Crane |
US20130068713A1 (en) * | 2010-03-31 | 2013-03-21 | Rolls-Royce Marine As | Lifting frame device |
CN103896167A (en) * | 2013-04-24 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Double variable amplitude combined cantilever crane swing mechanism, lifting device and pallet carrier |
-
2015
- 2015-11-19 CN CN201510801719.XA patent/CN105366570A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130068713A1 (en) * | 2010-03-31 | 2013-03-21 | Rolls-Royce Marine As | Lifting frame device |
CN201890731U (en) * | 2010-11-30 | 2011-07-06 | 南车成都机车车辆有限公司 | Crane |
CN103896167A (en) * | 2013-04-24 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Double variable amplitude combined cantilever crane swing mechanism, lifting device and pallet carrier |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112591012A (en) * | 2020-12-18 | 2021-04-02 | 武昌船舶重工集团有限公司 | Ship A-shaped frame and ship |
CN114348868A (en) * | 2022-03-11 | 2022-04-15 | 太原矿机电气股份有限公司 | Telescopic lifting beam for coal mine monorail crane |
CN114348868B (en) * | 2022-03-11 | 2022-05-24 | 太原矿机电气股份有限公司 | Telescopic lifting beam for coal mine monorail crane |
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