CN103318628A - Hydraulic two-section upward folded conveying arm for sand-transport self-unloading ship - Google Patents
Hydraulic two-section upward folded conveying arm for sand-transport self-unloading ship Download PDFInfo
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- CN103318628A CN103318628A CN2013102509416A CN201310250941A CN103318628A CN 103318628 A CN103318628 A CN 103318628A CN 2013102509416 A CN2013102509416 A CN 2013102509416A CN 201310250941 A CN201310250941 A CN 201310250941A CN 103318628 A CN103318628 A CN 103318628A
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Abstract
The invention discloses a hydraulic two-section upward folded conveying arm for a sand-transport self-unloading ship. The hydraulic two-section upward folded conveying arm comprises a secondary arm (1), a four-bar mechanism (2), a primary arm (3), a link mechanism (4), a mounting platform (5) and a bidirectional tension device (6). The conveying arm is made of high-strength structural steel and optimally designed through a finite element, high strength and light weight of the whole conveying arm are realized, the conveying arm has enough structural rigidity during overload unloading and under stormy weather condition, so that safety of the conveying arm is guaranteed. The gravity center of the conveying arm is lower than 7 meters when the conveying arm is turned over, the conveying arm does not exceed a ship body after turned over and inverted, driving control difficulty of the ship in the running process is greatly reduced, and safety and stability are fine. An operation control system for the conveying arm is controlled by the aid of an industrial PC (personal computer) logic, and safety risk caused by man-made misoperation is effectively eliminated.
Description
Technical field:
The present invention relates to the upwards folding conveying arm of a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints.
Background technology:
At present domestic take the transportation sandstone as main self-unloading boats and ships, is the high efficiency of realizing unloading, the freight house of boats and ships is manufactured two-layer, the upper strata is cargo layer, manufactures the funneling freight house of inverted conical shape, rubber conveyer belt system and drainage system are installed by lower floor.The structural principle of its rubber conveyer belt system is: boats and ships freight house bottom is done a square discharge channel and is had the shipment window before the deck on the bow, its carriage is comprised of internal frame and outrigger two parts, be welded with ordinary construction sexual type material, interior carriage is connected to fore deck shipment window from the freight house rearmost end, outer carriage rear end uses hinge-coupled in fore, be erected in fore deck front end with the hinge-coupled portal frame on the deck plane behind the carriage outside, both sides, portal frame upper end connect respectively many steel ropes, wire rope inclined-pulling is connected on the equidistant points of carriage both sides, be used for hanging carriage and keep its structure rigidity, simultaneously on portal frame top assembly pulley is installed, on the bow winch is installed in the rear end, deck, and the goods enclosure wall behind winch is installed assembly pulley, be connected on the winch with steel rope one end, steel rope is walked around two assembly pulleys, the other end connects portal frame, positive and negative rotation by winder motor drives winch cylinder folding and unfolding steel rope, the traction portal frame swings, gantry swings by the rope traction carriage, realize that the high and low position of carriage front end relative level face regulates, adapt to when making it to unload on the bank different geographical conditions and the change of level in river course; Carriage all is equipped with up and down conveyer belt carrier, outrigger pop-up wheel remains on same movement curved surface in it, at interior carriage rearmost end and outer carriage belt supporting roller is installed foremost, and possesses the conveying belt tension regulatory function, front end in the freight house bottom is installed a pair of load-transfer device head roll, and being slowed down by reductor by combustion engine (or electrical motor) drives head roll driving rubber conveyer belt.During the boats and ships loading, upper strata freight house bell mouth sluice gate is closed, and adopts the sand ship sandstone of excavating in the river course is discharged into the self-unloading freight house by load-transfer device.During unloading, freight house funnel door is opened, sandstone falls on the rubber conveyer belt of freight house lower floor at Action of Gravity Field, load-transfer device is under the effect of driver train, conveying tape holder by freight house lower floor and the plug-in conveying tape holder that hangs on fore are delivered to sandstone in the goods yard of land, on the load-transfer device and on the goods transport vehicle, realize the purpose of its efficient unloading, yet, the at present general tonnage of its self-unloading oceangoing ship all reaches kiloton, boats and ships self length is between 60～100 meters, its outer tape holder of carrying hangs on fore always, and stretch out fore between 20～40 meters, greatly increased the entire length of boats and ships, the difficulty of Driving control boats and ships greatly increases when causing ship running, meet strong wind rough weather, cross bend, cross when rising ship lock and crossing complicated water route that security risk is large and Navigation capacity is limited, adopting exists drawback as follows such as upper type: 1, because outer carriage hangs on fore and is in hanging shape, when travelling or berth, meet stormy waves, carriage such as lever amplify external force, prize boats and ships and cause boats and ships extremely unstable, easily cause safety misadventure; 2, since carriage to stretch out hull long, boats and ships are by bend, ship lock, bridge the time, the driving sighting distance of chaufeur strengthens, the difficulty of controlling judgement increases, and other object collision accident of boats and ships carriage and riverbank, bridge, other ship and the water surface easily occurs; 3, because boats and ships have characteristic more rambunctious in motion, the overall length of boats and ships is larger, the amplitude that fore swings is larger, pendulum radius is also corresponding larger, the time of steering operation just significantly increases, when meeting bend, torrent or shoal when travelling, the deck officer there is very high operating skill requirement, even is difficult to pass through; 4, along with national basis build constantly perfect, the various dams on the River Channel roll up, the excessive direct single navigation quantity that affects the dam ship lock of boats and ships overall length.
Summary of the invention:
Goal of the invention of the present invention provides the upwards folding conveying arm of a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints.
The present invention adopts following technical scheme to realize its goal of the invention: the upwards folding conveying arm of a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints, and it is comprised of secondary arm 1, four-bar mechanism 2, one-level arm 3, connecting rod mechanism 4, erecting stage 5, two-way tightening device 6; One end of secondary arm 1 respectively with four-bar mechanism 2,3 connections of one-level arm; Four-bar mechanism 2 is installed on the one-level arm 3; Two-way tightening device 6 is installed in the bottom of one-level arm 3; The two ends of one-level arm 3 respectively with secondary arm 1, erecting stage 5, connecting rod mechanism 4 connections; Connecting rod mechanism 4 is installed on the erecting stage 5.
The function of the present invention for realizing that two joint conveying arm hydraulic pressure upwards fold is provided with four-bar mechanism 2, connecting rod mechanism 4, and is provided with the oil cylinder 2-2 of four-bar mechanism at four-bar mechanism 2, is provided with the oil cylinder 4-1 of connecting rod mechanism at connecting rod mechanism 4; The oil cylinder 2-2 of four-bar mechanism is installed on the one-level arm 3 by cylinder installation seat; The oil cylinder 4-1 of connecting rod mechanism is installed on the erecting stage 5 by cylinder installation seat.
The present invention is provided with two-way tightening device 6 in order to realize regulating the function of belt conveyor elasticity, and it is comprised of tensioning hydro-cylinder 6-1, support 6-2, idling roller 6-3; Tensioning hydro-cylinder 6-1, idling roller 6-3 two ends are installed on the support 6-2.
Owing to having adopted above technology the present invention to realize preferably its goal of the invention, under the front topic that satisfies its efficient unloading function of self-unloading oceangoing ship, for solving the problem of its safety and Navigation capacity, the one-level jib can upwards flip upside down on the secondary arm with folded form, the secondary arm turns over the conveying tape holder to ship deck and the freight house on again, be effective shorten boats and ships travel and the stop process in total length, significantly promote its safety and Navigation capacity; Use hinge-coupled between joint and the joint, and uses the piston rod of action of hydraulic force hydraulic ram to stretch out and retraction, lock into whole when stretching between piston rod coupler link winding machine carriage joint and the joint and when overturning with its function that folds; This hydraulic foldable carriage is inherited the structural principle of its existing carriage, with its conveying arm with hinge-coupled on the bow, and carry tape holder to remain on same moving surface with freight house, its rubber conveyer belt is become around the motion of freight house bottom load-transfer device frame and outer conveying arm whole, allow goods is linear disposablely to debark by tape transport.Project organization of the present invention also has following features: 1, carriage adopts high-tensile structural steel, pass through finite element optimum design, realize high strength and the lightweight of conveying arm integral body, have enough structural rigidities to guarantee its safety when ensureing its conveying arm when the unloading overload and meeting stormy waves; 2, conveying arm is made of two joints in the time of in below 28 meters with a tree name user's different requirements, makes carriage be lower than 7 meters center of gravity when upset, guarantees safety and the stability (boats and ships foredeck width is more than 8 meters) of boats and ships in its switching process; 3, do not exceed hull after carriage flips upside down, decrease boats and ships Driving control difficulty in the process of moving, safety significantly promotes; 4, the operation control system of carriage adopts the Industrial PC logic control, effectively stops the security risk that the people brings for maloperation.
Description of drawings:
Accompanying drawing 1 is integral structure schematic diagram of the present invention.
Accompanying drawing 2 is foldable structure schematic diagrams of the present invention.
Accompanying drawing 3 is structural representations of mark 1 of the present invention.
Accompanying drawing 4 is section structure schematic diagrams of mark 1 of the present invention.
Accompanying drawing 5 is structural representations of mark 2 of the present invention.
Accompanying drawing 6 is structural representations of mark 3 of the present invention.
Accompanying drawing 7 is section structure schematic diagrams of mark 3 of the present invention.
Accompanying drawing 8 is structural representations of mark 4 of the present invention.
Accompanying drawing 9 is structural representations of mark 5 of the present invention.
Accompanying drawing 10 is construction profile schematic diagrams of mark 6 of the present invention.
Accompanying drawing 11 is plan structure schematic diagrams of mark 6 of the present invention.
Description of reference numerals is seen specification sheets last page form.
The specific embodiment:
Below in conjunction with accompanying drawing summary of the invention is described further:
Embodiment 1:
By accompanying drawing as can be known, the upwards folding conveying arm of a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints, it is comprised of secondary arm 1, four-bar mechanism 2, one-level arm 3, connecting rod mechanism 4, erecting stage 5, two-way tightening device 6; One end of secondary arm 1 respectively with four-bar mechanism 2,3 connections of one-level arm; Four-bar mechanism 2 is installed on the one-level arm 3; Two-way tightening device 6 is installed in the bottom of one-level arm 3; The two ends of one-level arm 3 respectively with secondary arm 1, erecting stage 5, connecting rod mechanism 4 connections; Connecting rod mechanism 4 is installed on the erecting stage 5.
The function of the present invention for realizing that two joint conveying arm hydraulic pressure upwards fold is provided with four-bar mechanism 2, connecting rod mechanism 4, and is provided with the oil cylinder 2-2 of four-bar mechanism at four-bar mechanism 2, is provided with the oil cylinder 4-1 of connecting rod mechanism at connecting rod mechanism 4; The oil cylinder 2-2 of four-bar mechanism is installed on the one-level arm 3 by cylinder installation seat; The oil cylinder 4-1 of connecting rod mechanism is installed on the erecting stage 5 by cylinder installation seat.
The present invention is provided with two-way tightening device 6 in order to realize regulating the function of belt conveyor elasticity, and it is comprised of tensioning hydro-cylinder 6-1, support 6-2, idling roller 6-3; Tensioning hydro-cylinder 6-1, idling roller 6-3 two ends are installed on the support 6-2.
The side bar 1-1 of secondary arm of the present invention refers to: the beam of steel; It is the component part of secondary arm 1; Be installed in the both sides of the erecting frame 1-4 of secondary arm; Its design attitude is shown in mark 1-1 in the accompanying drawing 3,4.
The upper supporting roller 1-2 of secondary arm of the present invention refers to: carrying roller; Be installed on the erecting frame 1-4 of secondary arm; It is the component part of secondary arm 1; Work to support belt conveyor; Its design attitude is shown in mark 1-2 in the accompanying drawing 3,4.
The snub pulley 1-3 of secondary arm of the present invention refers to: carrying roller; Be installed on the erecting frame 1-4 of secondary arm; It is the component part of secondary arm 1; Work to support belt conveyor; Its design attitude is shown in mark 1-3 in the accompanying drawing 3,4.
The erecting frame 1-4 of secondary arm of the present invention refers to: steel frame; Its effect is that the upper supporting roller 1-2 for the secondary arm, the snub pulley 1-3 of secondary arm provide installation; Its design attitude is shown in mark 1-4 in the accompanying drawing 3,4.
The connecting panel 1-5 of secondary arm of the present invention refers to: steel plate; Be welded on the left end of the side bar 1-1 of secondary arm; That secondary arm 1 is installed the plate that is connected with one-level arm 3; Its design attitude is shown in mark 1-5 in the accompanying drawing 3,4.
The connecting bore 1-6 of secondary arm of the present invention refers to: the hole of design on the side bar 1-1 of secondary arm; The mounting hole of four-bar mechanism 2 on secondary arm 1; Its design attitude is shown in mark 1-6 in the accompanying drawing 3.
Four-bar mechanism 2 of the present invention refers to: a kind of connecting rod mechanism that four members are arranged; Its oil cylinder 2-2 by one-level arm connecting rod 2-1, four-bar mechanism, secondary arm connecting rod 2-3, the axle 2-4 that has strong market potential form; Be installed on the one-level arm 3; Its effect is the expansion of control secondary arm 1, one-level arm 3 and folds; Its structure as shown in Figure 5, its design attitude is shown in mark 2 in the accompanying drawing 1.
One-level arm connecting rod 2-1 of the present invention refers to: connecting rod; It is the component part of four-bar mechanism 2; It is the bar of installing with one-level arm 3; Its design attitude is shown in mark 2-1 in the accompanying drawing 5.
The oil cylinder 2-2 of four-bar mechanism of the present invention refers to: oil cylinder; It is the component part of four-bar mechanism 2; It is the oil cylinder of secondary arm 1 telescopic movable; Its design attitude is shown in mark 2-2 in the accompanying drawing 5.
Secondary arm connecting rod 2-3 of the present invention refers to: connecting rod; It is the component part of four-bar mechanism 2; It is the bar of installing with secondary arm 1; Its design attitude is shown in mark 2-3 in the accompanying drawing 5.
The axle 2-4 that has strong market potential of the present invention refers to: axle; It is the component part of four-bar mechanism 2; Its effect is to make the connecting rod at axle two ends more steady; Its design attitude is shown in mark 2-4 in the accompanying drawing 5.
One-level arm 3 of the present invention refers to: the steel conveying arm; The upper supporting roller 3-2 of its side bar 3-1 by the one-level arm, one-level arm, the erecting frame 3-3 of one-level arm, the snub pulley 3-5 of one-level arm form, and are provided with cylinder installation seat 3-4, rear connecting bore 3-6, the rear connecting panel 3-7 of one-level arm of one-level arm, the front connecting bore 3-8 of one-level arm, the front Connection Block 3-9 of one-level arm of one-level arm at the side bar 3-1 of one-level arm; Its two ends respectively with secondary arm 1, erecting stage 5, connecting rod mechanism 4 connections; Its effect is to carry river sand; Its structure as shown in Figure 6, its cross-section structure as shown in Figure 7, its design attitude is shown in mark 3 in the accompanying drawing 1.
The side bar 3-1 of one-level arm of the present invention refers to: the beam of steel; It is the component part of one-level arm 3; Be installed in the both sides of the erecting frame 3-3 of one-level arm; Its design attitude is shown in mark 3-1 in the accompanying drawing 6,7.
The upper supporting roller 3-2 of one-level arm of the present invention refers to: carrying roller; Be installed on the erecting frame 3-3 of one-level arm; It is the component part of one-level arm 3; Work to support belt conveyor; Its design attitude is shown in mark 3-2 in the accompanying drawing 6,7.
The erecting frame 3-3 of one-level arm of the present invention refers to: steel frame; Its effect is that the upper supporting roller 3-2 for the one-level arm, the snub pulley 3-5 of one-level arm provide installation; Its design attitude is shown in mark 3-3 in the accompanying drawing 6.
The cylinder installation seat 3-4 of one-level arm of the present invention refers to: mount pad; Be welded on the side bar 3-1 of one-level arm; It is the mount pad of the oil cylinder 2-2 of four-bar mechanism; Its design attitude is shown in mark 3-4 in the accompanying drawing 6.
The snub pulley 3-5 of one-level arm of the present invention refers to: carrying roller; Be installed on the erecting frame 3-3 of one-level arm; It is the component part of one-level arm 3; Work to support belt conveyor; Its design attitude is shown in mark 3-5 in the accompanying drawing 6,7.
The rear connecting bore 3-6 of one-level arm of the present invention refers to: design is in the hole of the side bar 3-1 of one-level arm left end; The mounting hole of connecting rod mechanism 4 on one-level arm 3; Its design attitude is shown in mark 3-6 in the accompanying drawing 6.
The rear connecting panel 3-7 of one-level arm of the present invention refers to: steel plate; Be welded on the side bar 3-1 left end of one-level arm; It is the hole of one-level arm 3 and erecting stage 5 connections; Its design attitude is shown in mark 3-7 in the accompanying drawing 6,7.
The front connecting bore 3-8 of one-level arm of the present invention refers to: design is in the hole of the side bar 3-1 of one-level arm right-hand member; The mounting hole of four-bar mechanism 2 on one-level arm 3; Its design attitude is shown in mark 3-8 in the accompanying drawing 6.
The front Connection Block 3-9 of one-level arm of the present invention refers to: steel plate; Be welded on the side bar 3-1 right-hand member of one-level arm; It is the hole that one-level arm 3 and secondary arm 1 are installed; Its design attitude is shown in mark 3-9 in the accompanying drawing 6.
Connecting rod mechanism 4 of the present invention refers to: a kind of connecting rod mechanism that four members are arranged; Its oil cylinder 4-1 by connecting rod mechanism, three auxiliary connecting rod 4-2, two auxiliary connecting rod 4-3 form; Be installed on the erecting stage 5; Its effect is the flexible of control one-level arm 3; Its structure as shown in Figure 8, its design attitude is shown in mark 4 in the accompanying drawing 1.
The oil cylinder 4-1 of connecting rod mechanism of the present invention refers to: oil cylinder; It is the component part of connecting rod mechanism 4; It is the oil cylinder of one-level arm 3 telescopic movables; Its design attitude is shown in mark 4-1 in the accompanying drawing 8.
Three auxiliary connecting rod 4-2 of the present invention refer to: connecting rod; It is the component part of connecting rod mechanism 4; It is the bar of installing with erecting stage 5; Its design attitude is shown in mark 4-2 in the accompanying drawing 8.
Two auxiliary connecting rod 4-3 of the present invention refer to: connecting rod; It is the component part of connecting rod mechanism 4; It is the bar of installing with one-level arm 3; Its design attitude is shown in mark 4-3 in the accompanying drawing 8.
Erecting stage 5 of the present invention refers to: steel structure platform; Which is provided with cylinder installation seat 5-1, the adapter plate 5-2 of erecting stage, upper connecting bore 5-3, the lower connecting bore 5-4 of erecting stage; It is the platform of installing; Its structure as shown in Figure 9, its design attitude is shown in mark 5 in the accompanying drawing 1.
The cylinder installation seat 5-1 of erecting stage of the present invention refers to: mount pad; Be welded on the erecting stage 5; It is the mount pad of the oil cylinder 4-1 of connecting rod mechanism; Its design attitude is shown in mark 5-1 in the accompanying drawing 9.
The adapter plate 5-2 of erecting stage of the present invention refers to: steel plate; Be welded on the right-hand member of erecting stage 5; With one-level arm 3 plate that is connected to be installed; Its design attitude is shown in mark 5-2 in the accompanying drawing 9.
Upper connecting bore 5-3 of the present invention refers to: design is in the hole of the adapter plate 5-2 of erecting stage; With one-level arm 3 hole that is connected to be installed; Its design attitude is shown in mark 5-3 in the accompanying drawing 9.
Lower connecting bore 5-4 of the present invention refers to: design is in the hole of the adapter plate 5-2 of erecting stage; With connecting rod mechanism 4 hole that is connected to be installed; Its design attitude is shown in mark 5-4 in the accompanying drawing 9.
Two-way tightening device 6 of the present invention refers to: a kind of flexible device that carries out tensioning of oil cylinder that utilizes; It is comprised of tensioning hydro-cylinder 6-1, support 6-2, idling roller 6-3; Be installed in the bottom of one-level arm 3; Its effect is the elasticity of regulating belt conveyor; Its structure as shown in figure 10, its plan structure as shown in figure 11, its design attitude is shown in mark 6 in the accompanying drawing 1.
Tensioning hydro-cylinder 6-1 of the present invention refers to: oil cylinder; It is the component part of two-way tightening device 6; Its effect is the spacing of two rollers of control, thus the elasticity of regulating belt; Its design attitude is shown in mark 6-1 in the accompanying drawing 10,11.
Support 6-2 of the present invention refers to: steel structure support; It is the component part of two-way tightening device 6; Play a supportive role; Its design attitude is shown in mark 6-2 in the accompanying drawing 10,11.
Idling roller 6-3 of the present invention refers to: roller; It is the component part of two-way tightening device 6; Its effect is that belt conveyor is installed; Its design attitude is shown in mark 6-3 in the accompanying drawing 10,11.
| Reference numerals | The mark title | Reference numerals | The mark title |
| 1 | Secondary arm 1 | 3-6 | The rear connecting bore 3-6 of one-level arm |
| 1-1 | The side bar 1-1 of secondary arm | 3-7 | The rear connecting panel 3-7 of one-level arm |
| 1-2 | The upper supporting roller 1-2 of secondary arm | 3-8 | The front connecting bore 3-8 of one-level arm |
| 1-3 | The snub pulley 1-3 of secondary arm | 3-9 | The front Connection Block 3-9 of one-level arm |
| 1-4 | The erecting frame 1-4 of secondary arm | 4 | Connecting rod mechanism 4 |
| 1-5 | The connecting panel 1-5 of secondary arm | 4-1 | The oil cylinder 4-1 of connecting rod mechanism |
| 1-6 | The connecting bore 1-6 of secondary arm | 4-2 | Three auxiliary connecting rod 4-2 |
| 2 | Four-bar mechanism 2 | 4-3 | Two auxiliary connecting rod 4-3 |
| 2-1 | One-level arm connecting rod 2-1 | 5 | Erecting stage 5 |
| 2-2 | The oil cylinder 2-2 of four-bar mechanism | 5-1 | The cylinder installation seat 5-1 of erecting stage |
| 2-3 | Secondary arm connecting rod 2-3 | 5-2 | The adapter plate 5-2 of erecting stage |
| 2-4 | Axle 2-4 has strong market potential | 5-3 | Upper connecting bore 5-3 |
| 3 | One-level arm 3 | 5-4 | Lower connecting bore 5-4 |
| 3-1 | The side bar 3-1 of one-level arm | 6 | Two-way tightening device 6 |
| 3-2 | The upper supporting roller 3-2 of one-level arm | 6-1 | Tensioning hydro-cylinder 6-1 |
| 3-3 | The erecting frame 3-3 of one-level arm | 6-2 | Support 6-2 |
| 3-4 | The cylinder installation seat 3-4 of one-level arm | 6-3 | Idling roller 6-3 |
| 3-5 | The snub pulley 3-5 of one-level arm | ? | ? |
Claims (3)
1. the upwards folding conveying arm of fortune sand self-unloading oceangoing ship hydraulic pressure two joints is characterized in that it is comprised of secondary arm (1), four-bar mechanism (2), one-level arm (3), connecting rod mechanism (4), erecting stage (5), two-way tightening device (6); One end of secondary arm (1) respectively with four-bar mechanism (2), one-level arm (3) connection; Four-bar mechanism (2) is installed on the one-level arm (3); Two-way tightening device (6) is installed in the bottom of one-level arm (3); The two ends of one-level arm (3) respectively with secondary arm (1), erecting stage (5), connecting rod mechanism (4) connection; Connecting rod mechanism (4) is installed on the erecting stage (5).
2. a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints according to claim 1 upwards fold conveying arm, it is characterized in that being provided with four-bar mechanism (2), connecting rod mechanism (4), and be provided with the oil cylinder (2-2) of four-bar mechanism at four-bar mechanism (2), be provided with the oil cylinder (4-1) of connecting rod mechanism at connecting rod mechanism (4); The oil cylinder of four-bar mechanism (2-2) is installed on the one-level arm (3) by cylinder installation seat; The oil cylinder of connecting rod mechanism (4-1) is installed on the erecting stage (5) by cylinder installation seat.
3. the upwards folding conveying arm of a kind of fortune sand self-unloading oceangoing ship hydraulic pressure two joints according to claim 1 is characterized in that being provided with two-way tightening device (6), and it is comprised of tensioning hydro-cylinder (6-1), support (6-2), idling roller (6-3); Tensioning hydro-cylinder (6-1), idling roller (6-3) two ends are installed on the support (6-2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102509416A CN103318628A (en) | 2013-06-24 | 2013-06-24 | Hydraulic two-section upward folded conveying arm for sand-transport self-unloading ship |
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| CN2013102509416A CN103318628A (en) | 2013-06-24 | 2013-06-24 | Hydraulic two-section upward folded conveying arm for sand-transport self-unloading ship |
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| CN103318628A true CN103318628A (en) | 2013-09-25 |
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| CN2013102509416A Pending CN103318628A (en) | 2013-06-24 | 2013-06-24 | Hydraulic two-section upward folded conveying arm for sand-transport self-unloading ship |
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| CN106000866A (en) * | 2016-06-30 | 2016-10-12 | 柳州市奥火工程机械有限公司 | Movable type screening station |
| CN107185818A (en) * | 2017-07-13 | 2017-09-22 | 唐山冀东装备工程股份有限公司 | Caterpillar band mobile horizontal screen substation |
| CN108313214A (en) * | 2018-03-30 | 2018-07-24 | 乐山华麟航务船舶有限责任公司 | A kind of forward tilt self-unloading stone dumper |
| CN114988147A (en) * | 2022-06-24 | 2022-09-02 | 华东交通大学 | Intelligent material transfer equipment |
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| CN107185818A (en) * | 2017-07-13 | 2017-09-22 | 唐山冀东装备工程股份有限公司 | Caterpillar band mobile horizontal screen substation |
| CN108313214A (en) * | 2018-03-30 | 2018-07-24 | 乐山华麟航务船舶有限责任公司 | A kind of forward tilt self-unloading stone dumper |
| CN114988147A (en) * | 2022-06-24 | 2022-09-02 | 华东交通大学 | Intelligent material transfer equipment |
| CN114988147B (en) * | 2022-06-24 | 2023-06-16 | 华东交通大学 | Intelligent material transfer equipment |
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Address after: 413000, Hunan Yiyang high tech Zone, East New District, mountain road Applicant after: HUNAN CHENGUANG MACHINERY MANUFACTURING CO., LTD. Address before: 413000, Hunan Yiyang high tech Zone, East New District, mountain road Applicant before: Yiyang Chenguang Machine Manufacturing Co., Ltd. |
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