CN105129327A - Door-shaped connecting beam and half-door-type scraper reclaimer - Google Patents
Door-shaped connecting beam and half-door-type scraper reclaimer Download PDFInfo
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- CN105129327A CN105129327A CN201510648239.4A CN201510648239A CN105129327A CN 105129327 A CN105129327 A CN 105129327A CN 201510648239 A CN201510648239 A CN 201510648239A CN 105129327 A CN105129327 A CN 105129327A
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Abstract
The invention provides a door-shaped connecting beam which comprises a plurality of connecting beams and a plurality of connecting pieces, wherein every two connecting beams are fixed by welding; and each connecting piece is connected between every two adjacent connecting beams and used for aligning and prefixing every two adjacent connecting beams before welding. The invention also provides a half-door-type scraper reclaimer which comprises a scraper chain reclaiming arm body, a connecting seat and a fixed side end beam, wherein the fixed side end beam is used for supporting the scraper chain reclaiming arm body and connecting seat; the tail end of the scraper chain reclaiming arm body is hinged with the connecting seat; and the connecting seat is installed on the fixed side end beam through a height adjustment mechanism. The door-shaped connecting beam is simple in structure: the connecting pieces are arranged between every two adjacent connecting beams, and the connecting beams are connected and fixed before welding, thereby eliminating the influence of deformation and manufacturing deviation. The elevation of the scraper chain reclaiming arm is adjusted conveniently and quickly, thereby eliminating the adverse effect of the civil engineering foundation settlement on the scraper reclaiming operation. The door-shaped connecting beam greatly lowers the working intensity for overhaul and maintenance, shortens the overhaul time and enhances the labor productivity.
Description
Technical field
The invention belongs to kind of a bulk material technical field of conveying machinery, particularly a kind of door shape tie-beam and semi-door type scratch board reclaimer thereof.
Background technology
Bulk material generally refers to that to be deposited in together a large amount of without packing materials, monomer in block, granular, spherical, powdery etc., such as ore, coke, limestone, coal dust etc.For large-scale steel plant and thermal powerplant, large bulk cargo is had every day to carry out windrow, material stock, material extracting operation.The access of bulk materials has outdoor stock ground usually, and stock ground is closed in bar shaped, several mode in ring seal stock ground.In these modes, outdoor stock ground floor area is large, and material is directly subject to the impact of weather conditions, and environmental pollution is large, is progressively being closed stock ground replacement; Ring seal stock ground generally can only be used for accessing single material, so be widely used in accessing bunker coal at thermal powerplant; Bar shaped closes stock ground by adding partition wall, may be used for accessing diversified bulk cargo, has catered to the feature of steel plant's diversification of feedstock, in recent years progressively increases in steel plant's application so stock ground is closed in bar shaped.
Semi-door type scratch board reclaimer is applied in the closed bar shaped stock yard of loose unpacked material engineering, is limestone, ore, coal dust, the take out device of the raw materials such as coke.Semi-door type scratch board reclaimer primarily of downside running wheel and guiding, fixation side end carriage, door shape tie-beam, steel wire rope hoisting mechanism; Scraper chain arm for taking material, float side beam, the compositions such as upside running wheel and guiding.Whole semi-door type scratch board reclaimer runs on two one steel rails one on the other, and rail is arranged on foundation of civil work.
After semi-door type scratch board reclaimer receives the feeding instruction of raw material control center, carry out material extracting operation, main process is as follows: whole semi-door type scratch board reclaimer is under wheel drives, the position of scraping material can be moved longitudinally to along material strip, scraper chain starts and starts cycle operation, then, hoisting mechanism drive arm for taking material transfer to the certain degree of depth of charge level wedging and remain unchanged, by the scraper plate on chain by raw material scrapings such as ores on belt feeder; Whole semi-door type scratch board reclaimer is with the longitudinal direction traversing scraping that complete a bed of material of charge level of certain speed along material strip simultaneously; After completing the doses needing scraping, arm for taking material lifts, and scraper chain is out of service.
Current existing semi-door type scratch board reclaimer, its shape tie-beam adopts the box beam structure closed, and is divided into length and is less than several sections of 10 meters in originating firm processing, directly dock welding again after transporting to use scene respectively by several sections, composition integral door shape tie-beam; Then on the outside of case beam or side erection stair, be used as maintenance walkway.For large-scale semi-door type scratch board reclaimer, the total length of door shape tie-beam reaches 30-50 rice, and case beam section height 2-3 rice, section width 1.5-2 rice, about weight reaches 40-70 ton.The difficulty brought comprises: due to device fabrication deviation and distortion, and dock difficulty when the section of causing and intersegmental site welding technology, weld seam is irregular, the bad guarantee of weldquality, affects the stressed strength and stiffness of door shape tie-beam; Door shape tie-beam weight is too heavy, subsequent installation adjustment difficulty; Walkway is erected at shape tie-beam top and a side, is in vacant state, is difficult to erection, simultaneously dangerous large, easily sends out falling from high altitude accident.
For closed stock yard, the height of stockpile can reach 20 meters, ground bears very large load, and, because need of production is different, some compartments may be full material, some compartments may be hole capitals after selling all securities, and load is also uneven, and such operating mode causes settlement of ground often to occur, foundation of civil work sedimentation on the downside of usual downside rail foundation of civil work and stockpile is inconsistent, when causing scraper chain arm for taking material device to drop to extreme lower position or scrape and only do not expect; Scraping is near the concrete foundation of outfeed belt side, cause basic edge damage or device damage, when there is situation below, because semi-door type scratch board reclaimer self does not have height adjustment link, each originating firm is often obliged to go to adjust the absolute altitude of lower railway, it is padded, like this by the horizontal absolute altitude lifting of whole semi-door type scratch board reclaimer, avoid damaging civil engineering and equipment; Because track longitudinally generally has 200-1000 rice long, in this way work capacity is huge in institute.It is reported, some producers due to on-site geologic condition bad, all have to every year carry out.
Summary of the invention
The deficiencies in the prior art in view of the above, the object of the present invention is to provide a kind of door shape tie-beam, ensure dimensional accuracy and the quality of butt weld.
For achieving the above object and other relevant objects, technical solution of the present invention is as follows:
A kind of door shape tie-beam, is applied to semi-door type scratch board reclaimer, comprises multistage tie-beam, by being welded and fixed between adjacent two sections of tie-beams, also comprise multiple attaching parts, described attaching parts is connected between adjacent two sections of tie-beams, for welding the aligning of front adjacent two sections of tie-beams and pre-fixing.
Adopt said structure, between section and section, attaching parts is set, before welding section is connected fastening with intersegmental, eliminates and be out of shape and the impact of manufacture deviation.
As preferably: described attaching parts comprises connecting panel and bolt assembly, and on two sections of tie-beams of connecting panel and correspondence thereof, correspondence offers multiple connecting bore, and two sections of tie-beams are fixed by connecting panel and connecting bore by described bolt assembly.
As preferably: described tie-beam is box beam, is provided with an attaching parts at four lateral surfaces of adjacent two sections of tie-beams.
As preferably: described tie-beam inside is provided with walkway, the through whole door shape tie-beam in this walkway.
As preferably: the former of described tie-beam both sides offers multiple daylighting breather hole along tie-beam length direction.
As preferably: described daylighting breather hole is positioned at tie-beam height center line position place.
The present invention provides a kind of semi-door type scratch board reclaimer simultaneously, comprise described a kind of door shape tie-beam, also comprise scraper chain arm for taking material body, Connection Block and the fixation side end carriage for support scratch board chain arm for taking material body and Connection Block, described scraper chain arm for taking material body tail end and Connection Block hinged, Connection Block is arranged on fixation side end carriage by height adjustment mechanism.Certainly also comprise steel wire rope hoisting mechanism, float side beam, and the structures such as upside running wheel and guiding, these structures are prior art, do not repeat them here.
This structure is by scraper chain arm for taking material body tail end rational height adjusting mechanism, and by the adjustment of this link, the tail end that can change scraper chain arm for taking material device rotates the absolute altitude of hinge, realizes the Pass line adjustment of whole scraper chain arm for taking material device.
As preferably: described fixation side end carriage is provided with end carriage support arm, end carriage support arm is vertically distributed with multiple knock hole, described Connection Block offers the adjustment hole corresponding with knock hole, described Connection Block is arranged on end carriage support arm and is bolted.
As preferably: described end carriage support arm first end is connected with fixation side end carriage, second end has the upper surface of a vertical end face and level, described Connection Block has a horizontal fitting surface and a vertical fitting surface, described vertical fitting surface and vertical end face are fitted and are bolted, described horizontal fitting surface is pressed in end carriage support arm second end upper surface and is fixed by lock(ing) bolt, be provided with backing plate between described horizontal fitting surface pressure and end carriage support arm second end upper surface, between described backing plate and end carriage support arm second end upper surface, be provided with gasket assembly.
As preferably: described scraper chain arm for taking material body comprises arm for taking material and organizes scraper plate more, described arm for taking material is provided with walking track, described scraper plate is arranged on walking track by chain board component and idler wheel mechanism, described scraper plate has base plate, often organize on described chain board component and a top board is installed, the carrier bar components welding that described top board is corresponding with it is integrated tower structure, is fastenedly connected between described top board and base plate.
As mentioned above, the invention has the beneficial effects as follows: 1, door shape tie-beam of the present invention adopts laced beam structure, alleviates weight of equipment, facilitate follow-up lifting adjustment, can not intensity and toughness be affected simultaneously; Between tie-beam section and section, bolt plate is set, before welding section is connected fastening with intersegmental, eliminates distortion and the impact of manufacture deviation, ensure dimensional accuracy and the quality of butt weld; 2, arrange walkway in door shape tie-beam inside, erection, easy construction, pass through safer, do not have the risk of high falling.3, structure is simple, conveniently adjusts the absolute altitude of scraper chain arm for taking material device, eliminates foundation of civil work sedimentation to the adverse effect of scraping material extracting operation and bringing; Significantly reduce the working strength of repair and maintenance, reduce the overhaul time, raise labour productivity.4, adopt the inner plate of frame-type, strong support can be carried out to scraper plate, increase substantially bulk strength, reduce failure frequency, improve service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of door shape tie-beam of the present invention;
Fig. 2 is the enlarged view at I place in Fig. 1;
Fig. 3 is door shape tie-beam partial interior view of the present invention;
Fig. 4 is semi-door type scratch board reclaimer overall structure schematic diagram of the present invention;
Fig. 5 is the lateral plan of Fig. 4;
Fig. 6 is the birds-eye view of Fig. 4.
Fig. 7 is the tail structure plan sketch of scraper chain arm for taking material device of the present invention;
Fig. 8 is the tail structure sectional schematic diagram of scraper chain arm for taking material device of the present invention;
Fig. 9 is the end face structure schematic diagram of scraper chain of the present invention;
Figure 10 is the annexation schematic diagram of invention chain board component and scraper plate;
Figure 11 is the lateral plan of invention chain board component and scraper plate.
Piece mark explanation
Running wheel and guide frame on the downside of 1-; 2-fixation side end carriage; 3-door shape tie-beam; 4-steel wire rope hoisting mechanism; 5-scraper chain arm for taking material body; 6-floats side beam; Running wheel and guide frame on the upside of 7-; 8-scraper chain; 9-cantilever beam; 10-bearing seat; 11-actuating device; 12-Connection Block; 13-end carriage support arm; 14-adjustment hole; 15-backing plate; 16-lock bolt; 17-pad; 18-knock hole;
31-tie-beam one section; 32-tie-beam two sections; 33-tie-beam three sections; 34-tie-beam four sections; 35-tie-beam five sections; 36-connecting panel; 37-bolt assembly; 38-daylighting breather hole; 39-walkway;
500-spray lubrication system; 501-guide piece; 502-gets on the right track; 503-lower railway; 504-scraper plate; 505-roller; 506-pin link plate; 507-bearing pin; 508-sleeve; 509-inner plate; 510-top board; 511-guide roller; 512-abrasion-proof backing block; 513-bolt; 514-scraping teeth; 515-base plate;
A-rotates hinge; B-scraper lower railway; C-stockpile concrete foundation edge; D-stockpile bed course basis; E-stockpile; F-scraper gets on the right track; The horizontal fitting surface of G-; The vertical fitting surface of H-.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
As shown in Figure 1 to Figure 3, a kind of door shape tie-beam, comprises multistage tie-beam, by being welded and fixed between adjacent two sections of tie-beams, also comprise multiple attaching parts, attaching parts is connected between adjacent two sections of tie-beams, for welding the aligning of front adjacent two sections of tie-beams and pre-fixing.Between section and section, attaching parts is set, before welding section is connected fastening with intersegmental, eliminates and be out of shape and the impact of manufacture deviation.Tie-beam is box beam, is provided with an attaching parts at four lateral surfaces of adjacent two sections of tie-beams.
In this example, door shape tie-beam is made up of for five section 35 tie-beam one section 31, tie-beam two section 32, tie-beam three section 33, tie-beam four section 34, tie-beam, attaching parts comprises connecting panel 36 and bolt assembly 37, on adjacent two sections of tie-beams, correspondence offers multiple connecting bore, connecting bore on two sections of tie-beams is just right, connecting panel 36 corresponds to equally two sections of tie-beams and offer connecting bore, two sections of tie-beams are fixed by connecting panel 36 and connecting bore by bolt assembly 37.
Described tie-beam inside is provided with walkway 38, the through whole door shape tie-beam in this walkway 38.The former of described tie-beam both sides offers multiple daylighting breather hole 39 along tie-beam length direction, and this daylighting breather hole 39 is positioned at tie-beam height center line position place, is convenient to lighting and ventilation on the one hand, alleviates deadweight on the other hand when proof strength.
Door shape tie-beam of the present invention adopts laced beam structure, alleviates weight of equipment, facilitates follow-up lifting adjustment, can not affect intensity and toughness simultaneously; Bolt assembly 37 and connecting panel 36 are set between tie-beam section and section, before welding section are connected fastening with intersegmental, eliminate distortion and the impact of manufacture deviation, ensure dimensional accuracy and the quality of butt weld, can from tie-beam interior welds after having connected; Arrange walkway 38 in door shape tie-beam inside, erection, easy construction, pass through safer, do not have the risk of high falling.
As shown in Figures 4 to 6, the present invention also provides a kind of semi-door type scratch board reclaimer, comprises above-mentioned door shape tie-beam 3, also comprises arm for taking material device, steel wire rope hoisting mechanism 4, float side beam 6, upside running wheel and guide frame 7, downside running wheel and guide frame 1 etc., wherein B is scraper lower railway, C is stockpile concrete foundation edge, and D is stockpile bed course basis, and E is stockpile; F is that scraper gets on the right track; These structures are prior art, do not repeat them here.
Wherein arm for taking material device, comprise scraper chain arm for taking material body 5, Connection Block 12 and the fixation side end carriage 2 for support scratch board chain arm for taking material body 5 and Connection Block 12, scraper chain arm for taking material body 5 tail end and Connection Block 12 hinged, Connection Block 12 is arranged on fixation side end carriage 2 by height adjustment mechanism.This routine middle scraper chain arm for taking material body 5 comprises cantilever beam 9 and the scraper chain 8 that is arranged on cantilever beam 9 and actuating device 11, and described cantilever beam 9 two sides of tail is fixed with bearing seat 10, and bearing seat 10 and Connection Block 12 are coordinated by axle and bearing seat 10 and rotate.
As shown in Figure 7 and Figure 8, further scheme is, fixation side end carriage 2 is provided with end carriage support arm 13, end carriage support arm 13 is vertically distributed with multiple knock hole 18, Connection Block 12 offers the adjustment hole 14 corresponding with knock hole 18, Connection Block 12 is arranged on end carriage support arm 13, bolt will be fixed between the two through knock hole 18 and adjustment hole 14, knock hole 18 is every uniformly herein, therefore can adjust its absolute altitude by moving up and down Connection Block 12, and then with bolt.
In order to increase the steadiness between Connection Block 12 and end carriage support arm 13, the first end of end carriage support arm 13 is connected with fixation side end carriage 2, second end is arranged to the surface structure with a vertical end face and level, corresponding Connection Block 12 has two to process fitting surface, a horizontal fitting surface G and vertical fitting surface H, the vertical end face of vertical fitting surface H and fixation side end carriage 2 pastes the bolt that merga pass level wears and fixes, horizontal fitting surface G is pressed in end carriage support arm 13 second end upper surface and is fixed by lock(ing) bolt 16, so being connected by two faces, strengthen the stability of Connection Block 12.
After highly regulating, compress between Connection Block 12 and end carriage support arm 13, backing plate 15 is provided with between horizontal fitting surface G and end carriage support arm 13 second end upper surface, simultaneously, gasket assembly 17 is also provided with between backing plate 15 and end carriage support arm 13 second end upper surface, gasket assembly 17 can be multiple pad compositions of different-thickness, and its thickness adjusts increase and decrease as required.In application, by the thickness of adjusting shims part 17, the reference for installation height of adjustable Connection Block 12, changes the absolute altitude rotating hinge A, realizes the Pass line adjustment of whole scraper chain arm for taking material device.Form height regulating mechanism by knock hole 18, adjustment hole 14, bolt and backing plate 15 and gasket assembly 17 in this example, be convenient to regulate, stabilized structure.
Further as shown in Figures 9 to 11, it is square cantilever beam 9 and the many groups scraper plate 504 for scraper that scraper chain arm for taking material body 5 comprises main body supporting structure, on cantilever beam 9, both sides are provided with walking track, described scraper plate 504 is arranged on walking track by chain board component and idler wheel mechanism, described scraper plate 504 has base plate 515 and side plate, described chain board component top is fixed with top board 510, is fastenedly connected between described top board 510 and base plate 515.
Further technical scheme is, described walking track comprises left rail and right rail, left rail and right rail have get on the right track 502 and lower railway 503 respectively, cantilever beam 9 between left rail and right rail is provided with guide piece 501 and guide roller 511 along direction of travel, guide piece 501 is arranged in the middle part of cantilever beam 9, described guide roller 511 is arranged on base plate 515 by fastener, in left rail, many groups chain board component of (right rail) is connected to form scraper chain, often organize chain board component top and top board 510 is all installed, the carrier bar components welding that top board 510 is corresponding with it is integrated, in tower structure, be connected and fixed by bolt 513 between the top board 510 that the base plate 515 of scraper plate 504 is corresponding with it and chain board component, because chain board component is welding as one with top board 510, and top board 510 and base plate 515 fit tightly, locked by bolt 513, what substantially increase scraper plate 504 is subject to force intensity, bulk strength and stability are all improved.
The axis of guide is through base plate 515, and fixed by bolt block and nut assembly, base plate 515 is fixed on centre by nut assembly and bolt block, supports the axis of guide simultaneously, and described guide roller 511 is arranged on the axis of guide, and coordinates with guide piece 501.
Its intermediate plate assembly comprises inner plate 509, pin link plate 506 and sleeve 508, and sleeve 508 is through pin link plate 506 and inner plate 509 and be provided with bearing pin 507, and bearing pin 507 end is provided with roller 505, and roller 505 is supported on walking track; Described inner plate 509 top and top board 510 are fixed, and scraper plate 504 comprises base plate 515, side plate and abrasion-proof backing block 512 and scraping teeth 514.
In order to solve the large problem of the inconvenient work capacity of lubrication, described cantilever beam 9 is provided with spray lubrication system 500, multiple nozzles that described spray lubrication system 500 comprises oil main line and is connected with oil main line, two gaps are formed between the inner plate 509 of each group chain board component and pin link plate 506, the bearing pin 507 that can be injected lubricating oil pair roller mechanism by gap is lubricated, therefore, nozzle is arranged to the gap place being right against inner plate 509 and pin link plate 506.
For the ease of spraying into lubricating oil in this example, described spray lubrication system 500 is arranged on the bottom of cantilever beam 9, and nozzle is arranged down, when chain board component moves to the bottom of cantilever beam 9, can be oily by control system, and save human cost.
In this example, spray lubrication system 500 is a set of, often overlaps spray lubrication system 500 and comprises four nozzles, and four gaps of the corresponding two groups of chain board components of branch, can arrange many covers in other embodiments.In this example, the roller 505 of guide roller 511 and idler wheel mechanism is the all-sealed structure carrying lubricating grease, without the need to adding lubricating grease.
Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a door shape tie-beam, be applied to semi-door type scratch board reclaimer, comprise multistage tie-beam, by being welded and fixed between adjacent two sections of tie-beams, it is characterized in that: also comprise multiple attaching parts, described attaching parts is connected between adjacent two sections of tie-beams, for welding the aligning of front adjacent two sections of tie-beams and pre-fixing.
2. a kind of door shape tie-beam according to claim 1, it is characterized in that: described attaching parts comprises connecting panel and bolt assembly, on two sections of tie-beams of connecting panel and correspondence thereof, correspondence offers multiple connecting bore, and two sections of tie-beams are fixed by connecting panel and connecting bore by described bolt assembly.
3. a kind of door shape tie-beam according to claim 1, is characterized in that: described tie-beam is box beam, is provided with an attaching parts at four lateral surfaces of adjacent two sections of tie-beams.
4. a kind of door shape tie-beam according to claim 1, is characterized in that: described tie-beam inside is provided with walkway, the through whole door shape tie-beam in this walkway.
5. a kind of door shape tie-beam according to claim 1, is characterized in that: the former of described tie-beam both sides offers multiple daylighting breather hole along tie-beam length direction.
6. a kind of door shape tie-beam according to claim 5, is characterized in that: described daylighting breather hole is positioned at tie-beam height center line position place.
7. a semi-door type scratch board reclaimer, it is characterized in that: comprise a kind of door shape tie-beam described in claim 1-6 any one, also comprise scraper chain arm for taking material body, Connection Block and the fixation side end carriage for support scratch board chain arm for taking material body and Connection Block, described scraper chain arm for taking material body tail end and Connection Block hinged, Connection Block is arranged on fixation side end carriage by height adjustment mechanism.
8. a kind of semi-door type scratch board reclaimer according to claim 7, it is characterized in that: described fixation side end carriage is provided with end carriage support arm, end carriage support arm is vertically distributed with multiple knock hole, described Connection Block offers the adjustment hole corresponding with knock hole, and described Connection Block is arranged on end carriage support arm and is bolted.
9. a kind of semi-door type scratch board reclaimer according to claim 8, it is characterized in that: described end carriage support arm first end is connected with fixation side end carriage, second end has the upper surface of a vertical end face and level, described Connection Block has a horizontal fitting surface and a vertical fitting surface, described vertical fitting surface and vertical end face are fitted and are bolted, described horizontal fitting surface is pressed in end carriage support arm second end upper surface and is fixed by lock(ing) bolt, backing plate is provided with between described horizontal fitting surface pressure and end carriage support arm second end upper surface, gasket assembly is provided with between described backing plate and end carriage support arm second end upper surface.
10. a kind of semi-door type scratch board reclaimer according to claim 7, it is characterized in that: described scraper chain arm for taking material body comprises arm for taking material and organizes scraper plate more, described arm for taking material is provided with walking track, described scraper plate is arranged on walking track by chain board component and idler wheel mechanism, described scraper plate has base plate, often organize on described chain board component and be provided with a top board, the carrier bar components welding that described top board is corresponding with it is integrated tower structure, is fastenedly connected between described top board and base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648239.4A CN105129327A (en) | 2015-10-09 | 2015-10-09 | Door-shaped connecting beam and half-door-type scraper reclaimer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510648239.4A CN105129327A (en) | 2015-10-09 | 2015-10-09 | Door-shaped connecting beam and half-door-type scraper reclaimer |
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| CN105129327A true CN105129327A (en) | 2015-12-09 |
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| CN201510648239.4A Pending CN105129327A (en) | 2015-10-09 | 2015-10-09 | Door-shaped connecting beam and half-door-type scraper reclaimer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106522994A (en) * | 2016-12-27 | 2017-03-22 | 贵州盘江精煤股份有限公司 | Mounting base of grouting machine |
| WO2020177306A1 (en) * | 2019-03-01 | 2020-09-10 | 中冶赛迪工程技术股份有限公司 | Closed stock ground |
| CN112573098A (en) * | 2020-11-30 | 2021-03-30 | 太和县大华能源科技有限公司 | Scraper for tail gas treatment in lead-acid storage battery recovery process |
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| CN203320420U (en) * | 2013-04-15 | 2013-12-04 | 中铁十八局集团第一工程有限公司 | Temporary locking structure for corrugated steel webs of steel and concrete combined box girder |
| DE102014107813A1 (en) * | 2014-06-03 | 2015-12-03 | SCHADE Lagertechnik GmbH | Portal scraper with supporting structure based on a truss structure |
| CN104310077A (en) * | 2014-10-13 | 2015-01-28 | 湖南长重机器股份有限公司 | Semi-portal scraper reclaimer |
| CN205010893U (en) * | 2015-10-09 | 2016-02-03 | 中冶赛迪工程技术股份有限公司 | Door shape tie -beam and half gate -type scraper blade reclaimer thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106522994A (en) * | 2016-12-27 | 2017-03-22 | 贵州盘江精煤股份有限公司 | Mounting base of grouting machine |
| WO2020177306A1 (en) * | 2019-03-01 | 2020-09-10 | 中冶赛迪工程技术股份有限公司 | Closed stock ground |
| CN112573098A (en) * | 2020-11-30 | 2021-03-30 | 太和县大华能源科技有限公司 | Scraper for tail gas treatment in lead-acid storage battery recovery process |
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Application publication date: 20151209 |