CN103183241A - Excavation taking head for chain buckettype continuous ship unloader - Google Patents

Excavation taking head for chain buckettype continuous ship unloader Download PDF

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Publication number
CN103183241A
CN103183241A CN2011104492228A CN201110449222A CN103183241A CN 103183241 A CN103183241 A CN 103183241A CN 2011104492228 A CN2011104492228 A CN 2011104492228A CN 201110449222 A CN201110449222 A CN 201110449222A CN 103183241 A CN103183241 A CN 103183241A
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CN
China
Prior art keywords
excavation
tensioning
jib
flexible
stub bar
Prior art date
Application number
CN2011104492228A
Other languages
Chinese (zh)
Inventor
陈再兴
张毓杰
张�荣
Original Assignee
上海振华重工(集团)股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海振华重工(集团)股份有限公司 filed Critical 上海振华重工(集团)股份有限公司
Priority to CN2011104492228A priority Critical patent/CN103183241A/en
Publication of CN103183241A publication Critical patent/CN103183241A/en

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Abstract

The invention relates to an excavation taking head for a chain bucket type continuous ship unloader. The excavation taking head can horizontally and perpendicularly float in two directions. The excavation taking head comprises a fixed frame, a telescopic moving frame, an excavation tension arm frame, an excavation fixed arm frame, a telescopic oil cylinder and a tension oil cylinder, wherein one end of the telescopic oil cylinder is fixedly arranged on the telescopic moving frame, and the other end of the telescopic oil cylinder is fixedly arranged on the fixed frame, so that the telescopic moving frame is expanded and contracted up and down in a perpendicular direction along the fixed frame through the movement of the telescopic oil cylinder; the excavation fixed arm frame is connected with the telescopic moving frame; the excavation tension arm frame is arranged in the excavation fixed arm frame; the tension oil cylinder is connected with the excavation tension arm frame and the excavation fixed arm frame; and the excavation tension arm frame finishes tension movement along the excavation fixed arm frame in a horizontal direction through the tension oil cylinder.

Description

Stub bar is got in the excavation of chain-bucket continuous ship discharging machine

Technical field

The present invention relates to the chain-bucket continuous ship discharging machine, stub bar is got in the excavation that especially relates to the chain-bucket continuous ship discharging machine.

Background technology

The chain-bucket continuous ship discharging machine will be promoted to chain chain bucket lift portion top such as bulk goods materials such as coal, iron ores by the storing cabin in the bulge carrier by the chain chain bucket system that moves in circles by one that is installed in chain chain bucket lift portion, by finally being transported to the ground belt feeder that is arranged on the harbour after the delivered inside, finish whole discharging, course of conveying.

Existing chain-bucket is unloaded a ship continuously to get in excavation and is often had following problem in the material process:

At first excavate in the storing cabin when getting material, excavation is got stub bar and is vulnerable to hull influences the top to bottom, left and right, front and rear different directions that produces because of surge, morning and evening tides, strong wind etc. impact.Impact all may cause damage to hull and ship unloaders itself.

Secondly, ship unloaders dig common and bring down stocks 2 kinds of mode of operations according to the time-division.Excavate under the normal mode of operation and get stub bar and excavate by program interlock control; And when bringing down stocks pattern, the material in the storing cabin is less, and the material around need will being scattered in by buck raker flocks together and gets material.This moment, material bed thickness was less, and chain bucket very easily comes in contact with the bilge when getting material, injures hull and chain bucket.

Moreover, different ship types, the inner structure difference of cabin, different ship type and the operating modes of the very difficult adaptation of stub bar got in the excavation that lacks alerting ability.

Therefore, wish to improve and excavate the form of getting stub bar, to solve above three problems that exist.

Summary of the invention

Technical matters to be solved by this invention provides a kind of excavation of the continuous ship discharging machine of chain-bucket more flexibly and gets stub bar.

The present invention is that to solve the problems of the technologies described above the technical scheme that adopts be that stub bar is got in a kind of excavation of chain-bucket continuous ship discharging machine, can level and vertical bidirectional float.This excavation is got stub bar and is comprised fixed frame, telescopic moving framework, excavates the tensioning jib, excavates fixedly jib, telescopic oil cylinder and tensioning hydro-cylinder.Wherein, telescopic oil cylinder one end is fixed on the telescopic moving framework, and the other end is fixed on the fixed frame, makes the telescopic moving framework flexible up and down in the vertical direction along fixed frame by the motion of telescopic oil cylinder.Excavating fixedly, jib connects the telescopic moving framework, excavating the tensioning jib is installed in and excavates fixedly in the jib, tensioning hydro-cylinder connects excavation tensioning jib and excavates fixedly jib, and excavation tensioning jib is finished horizontal direction by tensioning hydro-cylinder and moved along excavating the fixedly tensioning of jib.

In one embodiment of this invention, above-mentioned excavation is got stub bar and is also comprised anterior sprocket wheel, the rear portion excavation sprocket wheel of excavating, the described anterior sprocket wheel that excavates is installed in described excavation tensioning jib front end, and described rear portion is excavated sprocket wheel and is installed in fixedly jib afterbody of described excavation, in order to guide excavation portion chain.

In one embodiment of this invention, above-mentioned excavation is got stub bar and is also comprised guide wheel disk, and described guide wheel disk is installed in described fixed frame middle part.

In one embodiment of this invention, described telescopic oil cylinder has default protection pressure.

In one embodiment of this invention, under a normal mode of operation, described tensioning hydro-cylinder keeps the pretension set, makes described excavation portion chain tension.

In one embodiment of this invention, bring down stocks under the pattern one, described tensioning hydro-cylinder release and maintenance make the lax pressure of described excavation portion's chain.

In one embodiment of this invention, described telescopic moving framework is provided with flexible guide roller, and described fixed frame is provided with the flexible guide roller track that cooperates with described flexible guide roller.Perhaps described fixed frame is provided with flexible guide roller, and described telescopic moving framework is provided with the flexible guide roller track that cooperates with described flexible guide roller.

In one embodiment of this invention, described telescopic moving framework is provided with flexible side slide block, and described fixed frame is provided with the flexible side slide block track that cooperates with described flexible side slide block.Perhaps described fixed frame is provided with flexible side slide block, and described telescopic moving framework is provided with the flexible side slide block track that cooperates with described flexible side slide block.

In one embodiment of this invention, described excavation fixedly jib is provided with the tensioning side slide block, and described excavation tensioning jib is provided with the advancing side that cooperates with described tensioning side slide block to slider track.

In one embodiment of this invention, described excavation fixedly jib is provided with the tensioning guide roller, and described excavation tensioning jib is provided with the tensioning guide roller track that cooperates with described tensioning guide roller.

The present invention is owing to adopt above technical scheme; make and excavate when getting upwards impacting that stub bar is subjected to that hull transmits or can make flexible the reaction when when operation, having a large amount of material avalanches to pound to get stub bar to cause downward impacts; avoid causing damage; and by stretching of tensioning hydro-cylinder; can under the pattern of bringing down stocks, loosen chain, avoid injuring the bilge and also chain bucket is played a protective role simultaneously.

Description of drawings

For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:

Fig. 1 is the elevation drawing of chain-bucket continuous ship discharging machine mode of operation.

Fig. 2 is that the elevation drawing of stub bar under normal mode of operation got in the excavation of the ship unloaders of one embodiment of the invention.

Fig. 3 is that the state after stub bar is subjected to impacting from the bilge is got in the excavation among Fig. 2.

Fig. 4 is that the elevation drawing of stub bar under the pattern of bringing down stocks got in the excavation of ship unloaders among Fig. 2.

Fig. 5 A, Fig. 5 B are respectively A-A and B-B cut-away views among Fig. 2, describe between telescopic moving framework 27 and the fixed frame 28 how to rely on roller and side slide block to do relative telescopic moving.

Fig. 6 A, Fig. 6 B are respectively C-C and D-D cut-away views among Fig. 2, describe how to rely on roller and side slide block to do relative to tensioning between telescopic moving framework 27 and the fixed frame 28 to move.

Label and each component names corresponding relation in each accompanying drawing:

1 harbour 2 quay surface belt feeders 3 bulge carriers 4 bulk goods cabin hatch 5 bulge carrier storage bins 6 bulk goods materials 7 crawler bodys 8 center funnels 9 rotating parts 10 topside amplitude oil cylinder 11 jib structures 12 jib belt feeders 13 equalizing bars 14 drive wheel disc 15 transition wheel discs 16L type structure 17 chain chain bucket lift portion central structures 18 chains 19 guide wheel disks 20 chain buckets The 21 anterior sprocket wheels that excavate Sprocket wheel is excavated at 22 rear portions

23 clear the ship uses buck raker 24 excavate the tensioning jib 25 tensioning hydro-cylinders 26 struts 27 telescopic moving frameworks 28 fixed frames 29 telescopic oil cylinders 30 excavate fixedly jib 31 flexible side slide block tracks 32 flexible side slide blocks 33 flexible guide rollers 34 flexible guide roller tracks 35 tensioning guide rollers 36 tensioning guide roller tracks 37 tensioning side slide blocks 38 advancing sides are to slider track

The specific embodiment

Fig. 1 is the elevation drawing of chain-bucket continuous ship discharging machine mode of operation.As shown in Figure 1, the chain-bucket continuous ship discharging machine is made up of crawler body 7, rotating part 9, L type structure 16, chain chain bucket lift portion usually.Summarily say, the chain-bucket continuous ship discharging machine by by the chain that moves in circles 18 that is installed in chain chain bucket lift portion and chain bucket 20 thereof with in the bulge carrier 3 such as coal, bulk goods materials 6 such as iron ore are promoted to chain chain bucket lift portion top by bulge carrier storage bin 5 and are transitted to the revolution delivery plate mechanism (not shown) that is installed on the L type structure 16, by the revolution delivery plate material is delivered to center funnel 8 by the jib belt feeder 12 that is installed on the jib structure 11 again, until finally being transported to the ground belt feeder 2 that is arranged on the harbour 1, finish whole discharging, course of conveying.Marked each parts of chain-bucket continuous ship discharging machine in Fig. 1, for the purpose of concise and to the point, hereinafter will not describe the parts that have nothing to do with the present invention, the title of these parts sees also label and each the component names corresponding relation in the description of drawings.

According to embodiments of the invention, get stub bar but propose the excavation that a kind of level, vertical bidirectional float, to promote its alerting ability and to avoid impacting.

Fig. 2 is that the elevation drawing of stub bar under normal mode of operation got in the excavation of the ship unloaders of one embodiment of the invention.As shown in Figure 2, but the excavation that level, vertical bidirectional are floated get stub bar mainly by fixed frame 28, telescopic moving framework 27, excavate tensioning jib 24, excavate that fixedly jib 30, anterior sprocket wheel 21, rear portion excavation sprocket wheel 22, guide wheel disk 19, telescopic oil cylinder 29, the tensioning hydro-cylinder 25 etc. of excavating are formed.

Telescopic oil cylinder 29 1 end 29a are fixed on telescopic moving framework 27 tops, and other end 29b is fixed on fixed frame 28 bottoms.Telescopic moving framework 27 can be flexible up and down in the vertical direction along fixed frame 28 by telescopic oil cylinder 29 motions.Fixed frame 28 is fastened on the central structure 17 of chain chain bucket lift portion.

Excavating fixedly, jib 30 links together with telescopic moving framework 27.At this, excavating fixedly jib 30 rear ends (being right-hand member among the figure) is that bearing pin and telescopic moving framework 27 by rear portion excavation sprocket wheel 22 links together.And strut 26 connects telescopic moving framework 27 and excavates fixedly jib 30, to keep excavating the fixedly horizontal attitude of jib 30.

Fixedly in the jib 30 but an excavation tensioning jib 24 that along continuous straight runs moves has been installed in excavation.Excavating tensioning jib 24 finishes horizontal direction and moves along excavating the fixedly tensioning of jib 30 by being installed in its inner tensioning hydro-cylinder 25.Tensioning hydro-cylinder 25 front end 25a are connected and excavate on the tensioning jib 24, and jib 30 is connected rear end 25b with excavating fixedly.

The anterior sprocket wheel 21 that excavates is installed in excavation tensioning jib 24 front ends, and the rear portion is excavated sprocket wheel 22 and is installed in fixedly jib 30 afterbodys of excavation, and guide wheel disk 19 is installed in fixed frame 28 middle parts.Get back to shown in Figure 1ly, chain 18 is arranged on this three places wheel disc 19,21,22 the driving wheel disc 14 with chain chain bucket lift portion top, the chain bucket that transition wheel disc 15 is formed rotation capable of circulation excavates reclaimer system.

Fig. 3 is that the state after stub bar is subjected to impacting from the bilge is got in the excavation among Fig. 2.As shown in Figure 3, excavate when getting upwards impacting that hull that stub bar is subjected to bulge carrier 3 transmits, when impulsive force surpassed the default protection pressure of telescopic oil cylinder 29, telescopic oil cylinder 29 stretched out automatically and drives telescopic moving framework 27 and upwards vertically moves.Simultaneously, constant for chain 18 length that guarantee whole circulation system, tensioning hydro-cylinder 25 automatic horizontal under the effect of constant tension power is protruding, drives to excavate tensioning jib 24 outside mobile tension chains.

Get that stub bar is hooked into the cabin mouth or have a large amount of material avalanches to pound during in operation when excavation and get on the stub bar; when this moment, impulsive force surpassed the default protection pressure of telescopic oil cylinder 29; telescopic oil cylinder 29 automatic indentations; telescopic moving framework 27 moves down along fixed frame 28; tensioning hydro-cylinder 25 is under the chain 18a of excavation portion effect simultaneously; overcome the tensile force level and inwardly withdraw, fixedly jib 30 is mobile backward along excavating to drive excavation tensioning jib 24.The chain 18a that remains excavation portion in the whole linkage process is in tensioning state.

Thus, excavation is got stub bar and can be stretched, and avoids getting between stub bar and the hull in excavation, perhaps excavates and gets the big impact of stub bar self formation.

Excavation is got stub bar portion tensioning hydro-cylinder 25 and is remained a default pretension under normal mode of operation, and it is enough to make the chain 18a tensioning of excavation portion, to satisfy the needs of opposing side direction digging force.

Excavation get that hull that stub bar is subjected to bulge carrier 3 transmits when excavating tensioning jib 24 frontal impact; when impulsive force surpasses the protection pressure that tensioning hydro-cylinder 25 sets, tensioning hydro-cylinder 25 withdrawal and drive and excavate tensioning jib 24 backward along excavating fixedly jib 30 parallel motions automatically.

Excavate under the pattern of bringing down stocks and get tensioning hydro-cylinder 25 releases of stub bar portion, and keep a less relatively preset pressure, make and excavate tensioning jib 24 withdrawal backward automatically, the excavation this moment chain 18a of portion is lax, sagging.As shown in Figure 4; excavation this moment is got stub bar and is under the pattern of bringing down stocks; the tensile force of the chain 18a of excavation portion is smaller; be in the stretched wire state; and the cycle operation speed of whole chain 18 is lower; little under the relative normal mode of operation of each chain bucket 20 digging force of excavation part, the bilge of avoiding injuring bulge carrier 3 also plays a protective role to chain bucket 20 simultaneously.

In like manner, can get the anterior width between centers that excavates between sprocket wheel 21 and the rear portion excavation sprocket wheel 22 of stub bar thereby change to excavate by the travel position of change telescopic oil cylinder 29, namely excavate the length of getting stub bar.And by being installed in the linear encoder location information in the telescopic oil cylinder 29, can extrapolating and excavate the length information of getting stub bar.The length information data that stub bar is got in excavation will be applied in the computer program of unloading a ship of complete machine as a variable.This function can make to excavate gets the cabin inner structure that stub bar more can adapt to different ships, improves the efficient of unloading a ship.

Rodless cavity to the rod chamber of telescopic oil cylinder 29 and rodless cavity, tensioning hydro-cylinder 25 is set the protection force value; can become guiding mechanism with guide roller, slide block and track groups, the change that stub bar length is got in level and vertical two-way floating and excavation realizes by hydraulic ram.

Relative slip relies on four flexible side slide blocks 32 and eight flexible guide rollers 33 to finish between telescopic moving framework 27 and the fixed frame 28.For example in conjunction with reference to shown in the A-A of Fig. 2 and Fig. 5 A, 5B, the B-B cut-away view, top at telescopic moving framework 27 and fixed frame 28, be provided with two flexible side slide blocks 32, two flexible side slide block tracks 31 that cooperate between the telescopic moving framework 27 that A-A analyses and observe the position and the fixed frame 28, analyse and observe between the telescopic moving framework 27 of position and the fixed frame 28 at B-B and be provided with four flexible guide rollers 33 and four flexible guide roller tracks 34.Also be provided with the flexible side slide block track 31 of two same flexible side slide blocks 32, two cooperations, four flexible guide rollers 33 and four flexible guide roller tracks 34 in the bottom of telescopic moving framework 27 and fixed frame 28.Wherein, flexible guide roller 33 and flexible side slide block track 31 are installed on the fixed frame 28; And the flexible side slide block 32 that cooperates with flexible side slide block track 31 and the flexible guide roller track 34 that cooperates with flexible guide roller 33 are installed on the telescopic moving framework 27.

Excavate tensioning jib 24 and excavate fixedly between the jib 30 relative slip eight tensioning side slide blocks 37 of dependence and four tensioning guide rollers 35 and finish.For example in conjunction with reference to Fig. 3 with shown in the C-C of Fig. 6 A, 6B, D-D cut-away view, excavation tensioning jib 24 and the excavation of analysing and observe the position at C-C fixedly are provided with two tensioning guide rollers 35 between the jib 30, analyse and observe the excavation tensioning jib 24 of position and excavate at D-D fixedly to be provided with four tensioning side slide blocks 37 between the jib 30.Wherein, tensioning guide roller track 36 and advancing side are installed in to slider track 38 and excavate on the tensioning jib 24; And tensioning side slide block 37 and tensioning guide roller 35 are installed in and excavate fixedly on the jib 30.

Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims (10)

1. stub bar is got in the excavation of a chain-bucket continuous ship discharging machine, and comprise fixed frame, telescopic moving framework, excavate the tensioning jib, excavate fixedly jib, telescopic oil cylinder and tensioning hydro-cylinder, wherein,
Described telescopic oil cylinder one end is fixed on the described telescopic moving framework, and the other end is fixed on the described fixed frame, makes described telescopic moving framework flexible up and down in the vertical direction along described fixed frame by the motion of described telescopic oil cylinder;
Described excavation fixedly jib connects described telescopic moving framework, described excavation tensioning jib is installed in described excavation fixedly in the jib, described tensioning hydro-cylinder connects fixedly jib of described excavation tensioning jib and described excavation, described excavation tensioning jib by described tensioning hydro-cylinder finish horizontal direction along described excavation fixedly the tensioning of jib move.
2. stub bar is got in excavation as claimed in claim 1, it is characterized in that, also comprise anterior sprocket wheel, the rear portion excavation sprocket wheel of excavating, the described anterior sprocket wheel that excavates is installed in described excavation tensioning jib front end, described rear portion is excavated sprocket wheel and is installed in fixedly jib afterbody of described excavation, in order to guide excavation portion chain.
3. stub bar is got in excavation as claimed in claim 2, it is characterized in that, also comprises guide wheel disk, and described guide wheel disk is installed in described fixed frame middle part.
4. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described telescopic oil cylinder has default protection pressure.
5. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described telescopic oil cylinder has position transduser.
6. stub bar is got in excavation as claimed in claim 2, it is characterized in that, under a normal mode of operation, described tensioning hydro-cylinder keeps the pretension set, makes described excavation portion chain tension; And/or bring down stocks under the pattern one, described tensioning hydro-cylinder release and maintenance make the lax pressure of described excavation portion's chain.
7. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described fixed frame is provided with flexible guide roller, and described telescopic moving framework is provided with the flexible guide roller track that cooperates with described flexible guide roller; Perhaps described telescopic moving framework is provided with flexible guide roller, and described fixed frame is provided with the flexible guide roller track that cooperates with described flexible guide roller.
8. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described telescopic moving framework is provided with flexible side slide block, and described fixed frame is provided with the flexible side slide block track that cooperates with described flexible side slide block; Perhaps described fixed frame is provided with flexible side slide block, and described telescopic moving framework is provided with the flexible side slide block track that cooperates with described flexible side slide block.
9. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described excavation fixedly jib is provided with the tensioning side slide block, and described excavation tensioning jib is provided with the advancing side that cooperates with described tensioning side slide block to slider track.
10. stub bar is got in excavation as claimed in claim 1, it is characterized in that, described excavation fixedly jib is provided with the tensioning guide roller, and described excavation tensioning jib is provided with the tensioning guide roller track that cooperates with described tensioning guide roller.
CN2011104492228A 2011-12-28 2011-12-28 Excavation taking head for chain buckettype continuous ship unloader CN103183241A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513553B1 (en) * 1970-12-25 1976-02-04
US4268204A (en) * 1979-03-29 1981-05-19 Dravo Corporation Continuous ship unloader
JPS5964406A (en) * 1982-10-06 1984-04-12 Hitachi Ltd Bucket elevator
CN1047836A (en) * 1989-06-09 1990-12-19 住友重机械工业株式会社 Bucket elevator type continuous ship unloader
JPH08208041A (en) * 1995-02-06 1996-08-13 Mitsubishi Heavy Ind Ltd Bulk digging device of unloader
US5769206A (en) * 1995-06-16 1998-06-23 Ishikawajima-Harima Heavy Industries Co. Ltd. Continuous unloader
US5984081A (en) * 1996-03-29 1999-11-16 Ishikawajima-Harimi Heavy Industries Co., Ltd. Continuous unloader
JP2001122444A (en) * 1999-10-25 2001-05-08 Mitsui Miike Mach Co Ltd Continuous unloader

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513553B1 (en) * 1970-12-25 1976-02-04
US4268204A (en) * 1979-03-29 1981-05-19 Dravo Corporation Continuous ship unloader
JPS5964406A (en) * 1982-10-06 1984-04-12 Hitachi Ltd Bucket elevator
CN1047836A (en) * 1989-06-09 1990-12-19 住友重机械工业株式会社 Bucket elevator type continuous ship unloader
JPH08208041A (en) * 1995-02-06 1996-08-13 Mitsubishi Heavy Ind Ltd Bulk digging device of unloader
US5769206A (en) * 1995-06-16 1998-06-23 Ishikawajima-Harima Heavy Industries Co. Ltd. Continuous unloader
US5984081A (en) * 1996-03-29 1999-11-16 Ishikawajima-Harimi Heavy Industries Co., Ltd. Continuous unloader
JP2001122444A (en) * 1999-10-25 2001-05-08 Mitsui Miike Mach Co Ltd Continuous unloader

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Application publication date: 20130703