CN104747849A - Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior - Google Patents

Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior Download PDF

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Publication number
CN104747849A
CN104747849A CN201510108069.0A CN201510108069A CN104747849A CN 104747849 A CN104747849 A CN 104747849A CN 201510108069 A CN201510108069 A CN 201510108069A CN 104747849 A CN104747849 A CN 104747849A
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CN
China
Prior art keywords
wear
bent tube
double
proof bent
bend pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510108069.0A
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Chinese (zh)
Inventor
周朝辉
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510108069.0A priority Critical patent/CN104747849A/en
Publication of CN104747849A publication Critical patent/CN104747849A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • F16L43/001Bends; Siphons made of metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/52Adaptations of pipes or tubes
    • B65G53/523Wear protection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • F16L43/02Bends; Siphons adapted to make use of special securing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/06Protection of pipes or objects of similar shape against external or internal damage or wear against wear

Abstract

The invention discloses a double-layer type wear-and-shock-resisting elbow pipe with an integral contour and a bipartite interior. The elbow pipe is composed of a double-layer type elbow pipe body with the integral contour and the bipartite interior, two wear-resisting connecting flanges and flange weld joints; the double-layer type wear-and-shock-resisting elbow pipe with the integral contour and the bipartite interior is used in a severe environment of such industries as architecture, mine, metallurgy, electric power, petroleum, coal and grain processing, the pipe is designed into a unique bipartite structure with large double layers and small single layers, a protective layer and a wearing layer are included, the wear-resisting property is good, the service life is long, the performance cost ratio is high, the mass production is easy to achieve, the quality is stable and reliable, and the safety performance is high.

Description

A kind of outer overall, interior two points of double layer wear resistant and impact resistant bend pipes
technical field:
The present invention relates to the transporting elbow structure of the industries such as a kind of building, mine, metallurgy, electric power, oil, coal, grain processing, particularly a kind of outer overall, interior two points of double layer wear resistant and impact resistant bend pipes.
background technique:
The forming technique of bend pipe mainly contains casting, compression molding etc., and they are all rely on shaping die, is generated by cast or hot cold-press process profiling; No matter be any machinery equipment and pipeline, major part all uses bend pipe, mainly in order to carry various material; The material of bend pipe has the materials such as cast iron, stainless steel, alloyed steel, malleable cast iron, carbon steel, non-ferrous metal and plastics; In the industries such as building, mine, metallurgy, electric power, oil, coal, grain processing, the conveying of material is carried by pipeline pressure, and delivery pipe is subject to larger pressure and serious wearing and tearing.Therefore to delivery pipe, particularly bridge piece has higher combination property requirement, improves the working life of bend pipe, has now become the difficult problem being difficult to capture.
Bend pipe is the most widely used is at present individual layer Technique of High Magnesium Bend Pipe, also has the double-deck rich chromium cast iron bend pipe of a small amount of use.Individual layer Technique of High Magnesium Bend Pipe wear-resisting property is poor, and hardness is low, and Security is low; Double-layer wear-resistant bend pipe cost is high, and quality is better, and wear-resisting property is excellent, and hardness is high, and Security is high, but cost performance is not high; Develop a kind of excellent performance, cost is low, Security is good abrasion-proof bent tube is the work of whole industry in the urgent need to carrying out, under grasping the mechanism of pipe wear and different operating state, the type of flow of material, simulate the region that pipeline is the most easy to wear, and can to this region, improve wearing layer thickness or improve the wear-resisting property of this region material, to reach the overall object improving the bend pipe life-span, for client is cost-saving, for society economizes on resources.
summary of the invention:
The object of the invention is the shortcoming being to overcome prior art existence, wear-resisting, the shock proof outer entirety of a kind of low cost of manufacture, high life, interior two points of double layer wear resistant and impact resistant bend pipes are provided.
The present invention adopts following structure and parts to realize its goal of the invention: a kind of outer overall, interior two points of double layer wear resistant and impact resistant bend pipes, and it is made up of two points of double-deck bend pipes 1, two wear-resisting adpting flanges 2, seam flanges 3 in outer entirety; And be provided with the curved conjunction surface 4 of size in overall interior two points of double-deck bend pipes 1 outside; Two wear-resisting adpting flanges 2 are welded on two points of double-deck bend pipe 1 two ends in outer entirety by seam flange 3.
The present invention in order to protect the wearing layer of bend pipe internal layer can not transport at bend pipe, install, even damage by external force collision, impact distortion, and be subject to materials inside impact force and cause being out of shape the function even damaged in using process, be provided with outer protection bend pipe 5; And protect bend pipe 5 inside to be provided with conjunction surface 8 in outer protection bend pipe outside, in outer protection bend pipe, conjunction surface 8 is outer protection bend pipe 5 inner headed face.
The present invention, in order to increase the wear-resisting functions in large curved neutral position, is provided with large curved interior abrasion-proof bent tube 6; And the outer conjunction surface 9 of large curved interior abrasion-proof bent tube is provided with in large curved interior abrasion-proof bent tube 6 outside; The outer conjunction surface 9 of large curved interior abrasion-proof bent tube is large curved interior abrasion-proof bent tube 6 periphery; Wherein large curved interior abrasion-proof bent tube 6 is designed to from ends A thickening thickening to middle D with both sides C to middle B, ensure that the high wear resistance in large curved neutral position.
The present invention curvedly possesses wear-resisting functions to keep little, is provided with little curved interior abrasion-proof bent tube 7; And the outer conjunction surface 10 of little curved interior abrasion-proof bent tube is provided with in little curved interior abrasion-proof bent tube 7 outside; The outer conjunction surface 10 of little curved interior abrasion-proof bent tube is little curved interior abrasion-proof bent tube 7 periphery; Its medium and small curved interior abrasion-proof bent tube 7 is designed to uniform thickness and not uniform thickness, ensures littlely curvedly to possess corresponding wear resistance.
The function of connection is convenient in the present invention in order to realize bend pipe, be provided with wear-resisting adpting flange 2; It is made up of flange 11 and wear-resistant sleeve 12; It is inner that wear-resistant sleeve 12 is arranged on flange 11.
The present invention, in order to extend the working life of wear-resisting adpting flange 2 and ensure to be connected with other parts are smooth and easy, is provided with wear-resistant sleeve 12; And be provided with wear-resistant sleeve thereon and agree with inclined-plane 15; Wear-resistant sleeve agrees with inclined-plane 15 and is located on wear-resistant sleeve 12 cylindrical.
Owing to have employed the technical combinations scheme of above structure and parts, the present invention achieves its goal of the invention preferably, this is outer overall, interior two points of double layer wear resistant and impact resistant bend pipes are used for building, mine, metallurgical, electric power, oil, coal, the rugged environment of the industries such as grain processing, be designed to outer entirety, in two points of double-deck unique textures, be divided into protective layer and wearing layer, protective layer protection wearing layer can not because bend pipe be in transport, install and collide by external force in using process, impact and distortion even damages, and be subject to materials inside impact force and cause distortion even to damage, wearing layer pipe thickness uneven distribution (thickening thickening to middle D with both sides C to middle B from ends A), more serious position of wearing and tearing, wall thickness is the thickest, thus improves bend pipe working life curved greatly, realizes the uniformity in whole bent wear position life-span, the wear-resisting adpting flange of design is convenient to the connection of bend pipe and other equipment, and the wear-resistant sleeve of wear-resisting adpting flange inside ensure that the wear resistance of mouth end, extends the working life of wear-resisting adpting flange and improve its sealing, internal layer wearing layer can adopt the high-abrasive material such as rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, pottery, cemented carbide, Bearing Steel, alloyed steel, macromolecular material, wear resistance electrode built-up welding, and the wear resistance of bend pipe can be made to improve more than several times, outer protective layer adopts the material such as low alloy steel or middle low carbon steel, such design at least can make bend pipe overall weight alleviate more than 10%, reaches and reduces costs, and saves material, the object economized on resources, long service life, price is low, and cost performance improves more than several times, also easily realize producing in enormous quantities, steady quality is reliable, and Safety performance is high.
accompanying drawing illustrates:
Accompanying drawing 1 is overall structure schematic diagram of the present invention.
Accompanying drawing 2 is overall structure generalized sections of the present invention.
Accompanying drawing 3 is structural representations that the present invention marks 1.
Accompanying drawing 4 is structural representations that the present invention marks 5.
Accompanying drawing 5 is cross-sectional view that the present invention marks 5.
Accompanying drawing 6 is structural representations that the present invention marks 6.
Accompanying drawing 7 is cross section structure schematic diagram that the present invention marks 6.
Accompanying drawing 8 is vertical section structure schematic diagram that the present invention marks 6.
Accompanying drawing 9 is structural representations that the present invention marks 7.
Accompanying drawing 10 is cross-sectional view that the present invention marks 7.
Accompanying drawing 11 is structural representations that the present invention marks 2.
Accompanying drawing 12 is cross-sectional view that the present invention marks 2.
Accompanying drawing 13 is structural representations that the present invention marks 11.
Accompanying drawing 14 is cross-sectional view that the present invention marks 11.
Accompanying drawing 15 is structural representations that the present invention marks 12.
Accompanying drawing 16 is cross-sectional view that the present invention marks 12.
Description of reference numerals is shown in specification last page form.
embodiment:
Below in conjunction with accompanying drawing, summary of the invention is described further:
embodiment 1:
From summary of the invention: a kind of outer overall, interior two points of double layer wear resistant and impact resistant bend pipes, it is made up of two points of double-deck bend pipes 1, two wear-resisting adpting flanges 2, seam flanges 3 in outer entirety; And be provided with the curved conjunction surface 4 of size in overall interior two points of double-deck bend pipes 1 outside; Two wear-resisting adpting flanges 2 are welded on two points of double-deck bend pipe 1 two ends in outer entirety by seam flange 3.
The present invention in order to protect the wearing layer of bend pipe internal layer can not transport at bend pipe, install, even damage by external force collision, impact distortion, and be subject to materials inside impact force and cause being out of shape the function even damaged in using process, be provided with outer protection bend pipe 5; And protect bend pipe 5 inside to be provided with conjunction surface 8 in outer protection bend pipe outside, in outer protection bend pipe, conjunction surface 8 is outer protection bend pipe 5 inner headed face.
The present invention, in order to increase the wear-resisting functions in large curved neutral position, is provided with large curved interior abrasion-proof bent tube 6; And the outer conjunction surface 9 of large curved interior abrasion-proof bent tube is provided with in large curved interior abrasion-proof bent tube 6 outside; The outer conjunction surface 9 of large curved interior abrasion-proof bent tube is large curved interior abrasion-proof bent tube 6 periphery; Wherein large curved interior abrasion-proof bent tube 6 is designed to from ends A thickening thickening to middle D with both sides C to middle B, ensure that the high wear resistance in large curved neutral position.
The present invention curvedly possesses wear-resisting functions to keep little, is provided with little curved interior abrasion-proof bent tube 7; And the outer conjunction surface 10 of little curved interior abrasion-proof bent tube is provided with in little curved interior abrasion-proof bent tube 7 outside; The outer conjunction surface 10 of little curved interior abrasion-proof bent tube is little curved interior abrasion-proof bent tube 7 periphery; Its medium and small curved interior abrasion-proof bent tube 7 is designed to uniform thickness and not uniform thickness, ensures littlely curvedly to possess corresponding wear resistance.
The function of connection is convenient in the present invention in order to realize bend pipe, be provided with wear-resisting adpting flange 2; It is made up of flange 11 and wear-resistant sleeve 12; It is inner that wear-resistant sleeve 12 is arranged on flange 11.
The present invention, in order to extend the working life of wear-resisting adpting flange 2 and ensure to be connected with other parts are smooth and easy, is provided with wear-resistant sleeve 12; And be provided with wear-resistant sleeve thereon and agree with inclined-plane 15; Wear-resistant sleeve agrees with inclined-plane 15 and is located on wear-resistant sleeve 12 cylindrical.
In outer entirety of the present invention, two points of double-deck bend pipes 1 refer to: by two-part and the two-layer bend pipe formed; It is made up of with little curved interior abrasion-proof bent tube 7 outer protection bend pipe 5, large curved interior abrasion-proof bent tube 6; As shown in Figure 3, its design attitude is as marked shown in 1 in accompanying drawing 1,2 for its structure.
Wear-resisting adpting flange 2 of the present invention refers to: the adpting flange being arranged on two points of double-deck bend pipe 1 two ends in outer entirety; It is made up of flange 11 and wear-resistant sleeve 12; Its effect is convenient to the connection of bend pipe and ensures the wear resistance of mouth end; Its structure is as shown in accompanying drawing 11,12, and its design attitude is as marked shown in 2 in accompanying drawing 1,2.
Seam flange 3 of the present invention refers to: wear-resisting adpting flange 2 is welded on the weld seam in outer entirety, two points of double-deck bend pipes 1 produced; Its design attitude is as marked shown in 3 in accompanying drawing 1,2.
The curved conjunction surface of size of the present invention 4 refers to: the conjunction surface being located at two points of double-deck bend pipe 1 inside in outer entirety; Its design attitude is as marked shown in 4 in accompanying drawing 1,2.
Outer protection bend pipe 5 of the present invention refers to: the constituent elements of outer overall interior two points of double-deck bend pipes 1; Which is provided with conjunction surface 8 in outer protection bend pipe; Its structure is as shown in accompanying drawing 4,5, and its design attitude is as marked shown in 5 in accompanying drawing 3.
Large curved interior abrasion-proof bent tube 6 of the present invention refers to: cast by rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, alloyed steel, Bearing Steel forge and press, pottery, sintering cemented carbide, the abrasion-proof bent tube that the high-abrasive materials such as synthesis of polymer material and wear resistance electrode built-up welding are made; The constituent elements of two points of double-deck bend pipes 1 in outer entirety; Which is provided with the outer conjunction surface 9 of large curved interior abrasion-proof bent tube; Its structure is as shown in accompanying drawing 6,7,8, and its design attitude is as marked shown in 6 in accompanying drawing 3.
Little curved interior abrasion-proof bent tube 7 of the present invention refers to: cast by rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, alloyed steel, Bearing Steel forge and press, pottery, sintering cemented carbide, the abrasion-proof bent tube that the high-abrasive materials such as synthesis of polymer material and wear resistance electrode built-up welding are made; Which is provided with the outer conjunction surface 10 of little curved interior abrasion-proof bent tube; Its effect increases little curved wear resistance; Its structure is as shown in accompanying drawing 9,10, and its design attitude is as marked shown in 7 in accompanying drawing 3.
In outer protection bend pipe of the present invention, conjunction surface 8 refers to: the conjunction surface being located at outer protection bend pipe 5 inside; Its effect is the installation being convenient to outer protection bend pipe 5 and large curved interior abrasion-proof bent tube 6; Its design attitude is as marked shown in 8 in accompanying drawing 4,5.
The outer conjunction surface 9 of large curved interior abrasion-proof bent tube of the present invention refers to: be located at the conjunction surface on large curved interior abrasion-proof bent tube 6; Its effect is the installation being convenient to outer protection bend pipe 5 and large curved interior abrasion-proof bent tube 6; Its design attitude is as marked shown in 9 in accompanying drawing 6,7,8.
The outer conjunction surface 10 of little curved interior abrasion-proof bent tube of the present invention refers to: be located at the conjunction surface on little curved interior abrasion-proof bent tube 7; Its effect is the installation being convenient to outer protection bend pipe 5 and little curved interior abrasion-proof bent tube 7; Its design attitude is as marked shown in 10 in accompanying drawing 9,10.
Flange 11 of the present invention refers to: the constituent elements of wear-resisting adpting flange 2; And be provided with flange thereon and agree with inclined-plane 13 and be connected draw-in groove 14; Its effect is the connection being convenient to bend pipe and other equipment; Its structure is as shown in accompanying drawing 13,14, and its design attitude is as marked shown in 11 in accompanying drawing 11,12.
Wear-resistant sleeve 12 of the present invention refers to: cast by rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, alloyed steel, Bearing Steel forge and press, pottery, sintering cemented carbide, the wear-resistant sleeve that the high-abrasive materials such as synthesis of polymer material and wear resistance electrode built-up welding are made; And be provided with wear-resistant sleeve thereon and agree with inclined-plane 15; Its effect is the working life and the raising sealing that extend wear-resisting adpting flange 2; Its structure is as shown in accompanying drawing 15,16, and its design attitude is as marked shown in 12 in accompanying drawing 11,12.
Flange of the present invention agrees with inclined-plane 13 and refers to: that is located at flange 11 inside agrees with inclined-plane; Its effect is the installation being convenient to flange 11 and wear-resistant sleeve 12; Its design attitude is as marked shown in 13 in accompanying drawing 13,14.
Connection draw-in groove 14 of the present invention refers to: be located at the draw-in groove on flange 11 cylindrical; Its effect is the installation being convenient to flange 11 and other equipment; Its design attitude is as marked shown in 14 in accompanying drawing 13,14.
Wear-resistant sleeve of the present invention agrees with inclined-plane 15 and refers to: be located at and wear-resistant sleeve 12 cylindrical agrees with inclined-plane; Its effect is the installation being convenient to flange 11 and wear-resistant sleeve 12; Its design attitude is as marked shown in 15 in accompanying drawing 15,16.
Reference numerals Mark title Reference numerals Mark title
1 Two points of double-deck bend pipes 1 in outer entirety 9 The outer conjunction surface 9 of large curved interior abrasion-proof bent tube
2 Wear-resisting adpting flange 2 10 The outer conjunction surface 10 of little curved interior abrasion-proof bent tube
3 Seam flange 3 11 Flange 11
4 The curved conjunction surface 4 of size 12 Wear-resistant sleeve 12
5 Outer protection bend pipe 5 13 Flange agrees with inclined-plane 13
6 Large curved interior abrasion-proof bent tube 6 14 Connect draw-in groove 14
7 Little curved interior abrasion-proof bent tube 7 15 Wear-resistant sleeve agrees with inclined-plane 15
8 Conjunction surface 8 in outer protection bend pipe

Claims (4)

1. outer overall, interior two points of double layer wear resistant and impact resistant bend pipes, is characterized in that it is made up of two points of double-deck bend pipes, two wear-resisting adpting flanges, seam flanges in outer entirety; And be provided with the curved conjunction surface of size in overall interior two points of double-deck bend pipes outside; Two wear-resisting adpting flanges are welded on two points of double-deck bend pipe two ends in outer entirety by seam flange.
2. outer overall, the interior two points of double layer wear resistant and impact resistant bend pipes of one according to claim 1, is characterized in that being provided with outer protection bend pipe; And protect bend pipe inside to be provided with conjunction surface in outer protection bend pipe outside, in outer protection bend pipe, conjunction surface is outer protection bend pipe inner headed face.
3. outer overall, the interior two points of double layer wear resistant and impact resistant bend pipes of one according to claim 1, is characterized in that being provided with large curved interior abrasion-proof bent tube; And the outer conjunction surface of large curved interior abrasion-proof bent tube is provided with in large curved interior abrasion-proof bent tube outside; The outer conjunction surface of large curved interior abrasion-proof bent tube is large curved interior abrasion-proof bent tube periphery; Wherein large curved interior abrasion-proof bent tube is designed to from ends A thickening thickening to middle D with both sides C to middle B.
4. outer overall, the interior two points of double layer wear resistant and impact resistant bend pipes of one according to claim 1, is characterized in that being provided with little curved interior abrasion-proof bent tube; And the outer conjunction surface of little curved interior abrasion-proof bent tube is provided with in little curved interior abrasion-proof bent tube outside; The outer conjunction surface of little curved interior abrasion-proof bent tube is little curved interior abrasion-proof bent tube periphery.
CN201510108069.0A 2015-03-12 2015-03-12 Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior Pending CN104747849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510108069.0A CN104747849A (en) 2015-03-12 2015-03-12 Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510108069.0A CN104747849A (en) 2015-03-12 2015-03-12 Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior

Publications (1)

Publication Number Publication Date
CN104747849A true CN104747849A (en) 2015-07-01

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Application Number Title Priority Date Filing Date
CN201510108069.0A Pending CN104747849A (en) 2015-03-12 2015-03-12 Double-layer type wear-and-shock-resisting elbow pipe with integral contour and bipartite interior

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016141879A1 (en) * 2015-03-12 2016-09-15 周朝辉 Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof
WO2017024776A1 (en) * 2015-08-08 2017-02-16 周朝辉 Double-layered, double-piece automatic filling wear-resistant elbow for concrete pump trucks and manufacturing method thereof
CN110173608A (en) * 2019-05-13 2019-08-27 大唐长春第三热电厂 A kind of self-compensation type tube cell elbow shoe with coal spout

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061394A (en) * 2013-03-19 2014-09-24 西法股份公司 Method To Make Curved Tubular Element And Curved Tubular Element Thus Obtained

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061394A (en) * 2013-03-19 2014-09-24 西法股份公司 Method To Make Curved Tubular Element And Curved Tubular Element Thus Obtained

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016141879A1 (en) * 2015-03-12 2016-09-15 周朝辉 Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof
WO2017024776A1 (en) * 2015-08-08 2017-02-16 周朝辉 Double-layered, double-piece automatic filling wear-resistant elbow for concrete pump trucks and manufacturing method thereof
JP2018513328A (en) * 2015-08-08 2018-05-24 周朝▲輝▼ZHOU, Zhaohui Self-filling two-layer two-part wear-resistant curved pipe for concrete pump truck
US10428994B2 (en) 2015-08-08 2019-10-01 Zhaohui Zhou Auto-fill two-layer two-half wear resistant elbow of concrete pump truck and manufacturing method thereof
CN110173608A (en) * 2019-05-13 2019-08-27 大唐长春第三热电厂 A kind of self-compensation type tube cell elbow shoe with coal spout
CN110173608B (en) * 2019-05-13 2021-07-30 大唐长春第三热电厂 Self-compensating powder pipe elbow anti-abrasion device with coal dropping pipe

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Application publication date: 20150701