CN104653934A - Separated double-layer wear-resisting shock-resisting bend pipe - Google Patents
Separated double-layer wear-resisting shock-resisting bend pipe Download PDFInfo
- Publication number
- CN104653934A CN104653934A CN201510108071.8A CN201510108071A CN104653934A CN 104653934 A CN104653934 A CN 104653934A CN 201510108071 A CN201510108071 A CN 201510108071A CN 104653934 A CN104653934 A CN 104653934A
- Authority
- CN
- China
- Prior art keywords
- wear
- bend pipe
- bent tube
- proof bent
- resisting
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
- B65G53/523—Wear protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/001—Bends; Siphons made of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a separated double-layer wear-resisting shock-resisting bend pipe, which is formed by a separated double-layer bend pipe, two wear-resisting connecting flanges, flange welding seams and large and small bend welding seams. The separated double-layer wear-resisting shock-resisting bend pipe is applied in severe environments of industries such as building, mine, metallurgy, electricity, petroleum, coal and grain processing; and is designed to be of a separated double-layer unique structure; and is divided into a protection layer and a wear-resisting layer; and is good in wear-resisting performance, long in service life, low in price, high in cost performance, easy to realize mass production, stable and reliable in quality and high in safety performance.
Description
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 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, and also have 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, shock proof two points of double layer wear resistant and impact resistant bend pipes of a kind of low cost of manufacture, high life are provided.
The present invention adopts following structure and parts to realize its goal of the invention: a kind of two points of double layer wear resistant and impact resistant bend pipes, and it is made up of with the curved weld seam 4 of size two points of double-deck bend pipes, 1, two wear-resisting adpting flanges 2, seam flange 3; Two wear-resisting adpting flanges 2 are welded on two points of double-deck bend pipe 1 two ends by seam flange 3; The weld seam that the curved weld seam of size 4 produces when being two points of double-deck bend pipe 1 welding fabrications.
In order to protect, the wearing layer of bend pipe internal layer can not collide by external force in bend pipe transportation, installation and use process, impact deformed damaged in the present invention, and be subject to materials inside impact force and cause being out of shape the function even damaged, be provided with large curved outer protection bend pipe 7 and little curved outer protection bend pipe 11; And be provided with conjunction surface 9 in large curved outer protection bend pipe in large curved outer protection bend pipe 7 inside, be provided with conjunction surface 13 in little curved outer protection bend pipe in little curved outer protection bend pipe 11 inside; Wherein large curved outer protection bend pipe 7 and little curved outer protection bend pipe 11 cross section are the circular arc of any number of degrees, but the circle that cross section must form 360 degree combined by two semicanals.
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 8; And the outer conjunction surface 10 of large curved interior abrasion-proof bent tube is provided with in large curved interior abrasion-proof bent tube 8 outside; The outer conjunction surface 10 of large curved interior abrasion-proof bent tube is large curved interior abrasion-proof bent tube 8 periphery; Wherein large curved interior abrasion-proof bent tube 8 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 12; And the outer conjunction surface 14 of little curved interior abrasion-proof bent tube is provided with in little curved interior abrasion-proof bent tube 12 outside; The outer conjunction surface 14 of little curved interior abrasion-proof bent tube is little curved interior abrasion-proof bent tube 12 periphery; Its medium and small curved interior abrasion-proof bent tube 12 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 15 and wear-resistant sleeve 16; It is inner that wear-resistant sleeve 16 is arranged on flange 15.
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 16; And be provided with wear-resistant sleeve thereon and agree with inclined-plane 19; Wear-resistant sleeve agrees with inclined-plane 19 and is located on wear-resistant sleeve 16 cylindrical.
Owing to have employed the technical combinations scheme of above structure and parts, the present invention achieves its goal of the invention preferably, these 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 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), serious wear during use, easily worn out intermediate portion wall portion is thicker, thus improve the working life of bend pipe, 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, the high-abrasive materials such as the wearing layer that internal layer wearing layer can adopt 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 is formed, can make the wear resistance of bend pipe 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 7.
Accompanying drawing 7 is cross section structure schematic diagram that the present invention marks 7.
Accompanying drawing 8 is structural representations that the present invention marks 8.
Accompanying drawing 9 is cross section structure schematic diagram that the present invention marks 8.
Accompanying drawing 10 is vertical section structure schematic diagram that the present invention marks 8.
Accompanying drawing 11 is structural representations that the present invention marks 6.
Accompanying drawing 12 is cross-sectional view that the present invention marks 6.
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.
Accompanying drawing 17 is structural representations that the present invention marks 2.
Accompanying drawing 18 is cross-sectional view that the present invention marks 2.
Accompanying drawing 19 is structural representations that the present invention marks 15.
Accompanying drawing 20 is cross-sectional view that the present invention marks 15.
Accompanying drawing 21 is structural representations that the present invention marks 16.
Accompanying drawing 22 is cross-sectional view that the present invention marks 16.
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 two points of double layer wear resistant and impact resistant bend pipes, it is made up of with the curved weld seam 4 of size two points of double-deck bend pipes, 1, two wear-resisting adpting flanges 2, seam flange 3; Two wear-resisting adpting flanges 2 are welded on two points of double-deck bend pipe 1 two ends by seam flange 3; The weld seam that the curved weld seam of size 4 produces when being two points of double-deck bend pipe 1 welding fabrications.
The present invention in order to protect the wearing layer of bend pipe internal layer can not transport at bend pipe, install, in using process by external force collision, impact distortion, even damage, and be subject to materials inside impact force and cause being out of shape the function even damaged, be provided with large curved outer protection bend pipe 7 and little curved outer protection bend pipe 11; And be provided with conjunction surface 9 in large curved outer protection bend pipe in large curved outer protection bend pipe 7 inside, be provided with conjunction surface 13 in little curved outer protection bend pipe in little curved outer protection bend pipe 11 inside; Wherein large curved outer protection bend pipe 7 and little curved outer protection bend pipe 11 cross section are the circular arc of any number of degrees, but the circle that cross section must form 360 degree combined by two semicanals.
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 8; And the outer conjunction surface 10 of large curved interior abrasion-proof bent tube is provided with in large curved interior abrasion-proof bent tube 8 outside; The outer conjunction surface 10 of large curved interior abrasion-proof bent tube is large curved interior abrasion-proof bent tube 8 periphery; Wherein large curved interior abrasion-proof bent tube 8 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 12; And the outer conjunction surface 14 of little curved interior abrasion-proof bent tube is provided with in little curved interior abrasion-proof bent tube 12 outside; The outer conjunction surface 14 of little curved interior abrasion-proof bent tube is little curved interior abrasion-proof bent tube 12 periphery; Its medium and small curved interior abrasion-proof bent tube 12 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 15 and wear-resistant sleeve 16; It is inner that wear-resistant sleeve 16 is arranged on flange 15.
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 16; And be provided with wear-resistant sleeve thereon and agree with inclined-plane 19; Wear-resistant sleeve agrees with inclined-plane 19 and is located on wear-resistant sleeve 16 cylindrical.
Two points of double-deck bend pipes 1 of the present invention refer to: by two-part and the two-layer bend pipe formed; It is made up of bilayer curved greatly 5 and bilayer little curved 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; It is made up of flange 15 and wear-resistant sleeve 16; 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 18,19, 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 that two points of double-deck bend pipes 1 produce; Its design attitude is as marked shown in 3 in accompanying drawing 1,2.
The curved weld seam of size of the present invention 4 refers to: double-deck little curved 6 are welded on the weld seam produced on double-deck curved greatly 5; Its design attitude is as marked shown in 4 in accompanying drawing 1,2.
Bilayer of the present invention curved greatly 5 refers to: the constituent elements of two points of double-deck bend pipes 1; It is made up of with large curved interior abrasion-proof bent tube 8 large curved outer protection bend pipe 7; Its structure is as shown in accompanying drawing 4,5, and its design attitude is as marked shown in 5 in accompanying drawing 3.
Bilayer of the present invention little curved 6 refers to: the constituent elements of two points of double-deck bend pipes 1; It is made up of with little curved interior abrasion-proof bent tube 12 little curved outer protection bend pipe 11; Its structure is as shown in accompanying drawing 11,12, and its design attitude is as marked shown in 6 in accompanying drawing 3.
Large curved outer protection bend pipe 7 of the present invention refers to: the bend pipe be made up of the material such as low alloy steel or middle low carbon steel; Which is provided with conjunction surface 9 in large curved outer protection bend pipe; Its effect is that the wearing layer of protection bend pipe internal layer even can not damage by external force collision, impact and be out of shape in transportation, installation and use process because of bend pipe, and is subject to materials inside impact force and causes being out of shape and even damage; As illustrated in 6,7, its design attitude is as marked shown in 7 in accompanying drawing 4,5 for its structure.
Large curved interior abrasion-proof bent tube 8 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 wearing layer bend pipe that other 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 large curved interior abrasion-proof bent tube; Its effect is the wear resistance increasing large curved neutral position; Its structure is as shown in accompanying drawing 8,9,10, and its design attitude is as marked shown in 8 in accompanying drawing 4,5.
In large curved outer protection bend pipe of the present invention, conjunction surface 9 refers to: be located at the conjunction surface on large curved outer protection bend pipe 7; Its effect is the installation being convenient to large curved outer protection bend pipe 7 and large curved interior abrasion-proof bent tube 8; Its design attitude is as marked shown in 9 in accompanying drawing 6,7.
The outer conjunction surface 10 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 8; Its effect is the installation being convenient to large curved outer protection bend pipe 7 and large curved interior abrasion-proof bent tube 8; Its design attitude is as marked shown in 10 in accompanying drawing 8,9,10.
Little curved outer protection bend pipe 11 of the present invention refers to: the bend pipe be made up of the material such as low alloy steel or middle low carbon steel; Which is provided with conjunction surface 13 in little curved outer protection bend pipe; Its effect is that the wearing layer of protection bend pipe internal layer even can not damage by external force collision, impact and be out of shape in transportation, installation and use process because of bend pipe, and is subject to materials inside impact force and causes being out of shape and even damage; 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.
Little curved interior abrasion-proof bent tube 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 abrasion-proof bent tube that other 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 14 of little curved interior abrasion-proof bent tube; Its effect increases little curved wear resistance; 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.
In little curved outer protection bend pipe of the present invention, conjunction surface 13 refers to: be located at the conjunction surface on little curved outer protection bend pipe 11; Its effect is the installation being convenient to little curved outer protection bend pipe 11 and little curved interior abrasion-proof bent tube 12; Its design attitude is as marked shown in 13 in accompanying drawing 13,14.
The outer conjunction surface 14 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 12; Its effect is the installation being convenient to little curved outer protection bend pipe 11 and little curved interior abrasion-proof bent tube 12; Its design attitude is as marked shown in 14 in accompanying drawing 15,16.
Flange 15 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 17 and be connected draw-in groove 18; Its effect is the connection being convenient to bend pipe and other equipment; Its structure is as shown in accompanying drawing 19,20, and its design attitude is as marked shown in 15 in accompanying drawing 17,18.
Wear-resistant sleeve 16 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 other 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 19; 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 21,22, and its design attitude is as marked shown in 16 in accompanying drawing 17,18.
Flange of the present invention agrees with inclined-plane 17 and refers to: that is located at flange 15 inside agrees with inclined-plane; Its effect is the installation being convenient to flange 15 and wear-resistant sleeve 16; Its design attitude is as marked shown in 17 in accompanying drawing 19,20.
Connection draw-in groove 18 of the present invention refers to: be located at the draw-in groove on flange 15 cylindrical; Its effect is the installation being convenient to flange 15 and other equipment; Its design attitude is as marked shown in 18 in accompanying drawing 19,20.
Wear-resistant sleeve of the present invention agrees with inclined-plane 19 and refers to: be located at and wear-resistant sleeve 16 cylindrical agrees with inclined-plane; Its effect is the installation being convenient to flange 15 and wear-resistant sleeve 16; Its design attitude is as marked shown in 19 in accompanying drawing 21,22.
| Reference numerals | Mark title | Reference numerals | Mark title |
| 1 | Two points of double-deck bend pipes 1 | 11 | Little curved outer protection bend pipe 11 |
| 2 | Wear-resisting adpting flange 2 | 12 | Little curved interior abrasion-proof bent tube 12 |
| 3 | Seam flange 3 | 13 | Conjunction surface 13 in little curved outer protection bend pipe |
| 4 | The curved weld seam 4 of size | 14 | The outer conjunction surface 14 of little curved interior abrasion-proof bent tube |
| 5 | Bilayer curved greatly 5 | 15 | Flange 15 |
| 6 | Double-deck little by curved 6 | 16 | Wear-resistant sleeve 16 |
| 7 | Large curved outer protection bend pipe 7 | 17 | Flange agrees with inclined-plane 17 |
| 8 | Large curved interior abrasion-proof bent tube 8 | 18 | Connect draw-in groove 18 |
| 9 | Conjunction surface 9 in large curved outer protection bend pipe | 19 | Wear-resistant sleeve agrees with inclined-plane 19 |
| 10 | The outer conjunction surface 10 of large curved interior abrasion-proof bent tube |
Claims (5)
1. 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 curved weld seams of wear-resisting adpting flange, seam flange and size; Two wear-resisting adpting flanges are welded on two points of double-deck bend pipe two ends by seam flange; The curved weld seam of size be two points of double-deck elbow pipe weldings shaping time produce weld seam.
2. a kind of two points of double layer wear resistant and impact resistant bend pipes according to claim 1, is characterized in that being provided with large curved outer protection bend pipe and little curved outer protection bend pipe; And be provided with conjunction surface in large curved outer protection bend pipe in large curved outer protection bend pipe inside, be provided with conjunction surface in little curved outer protection bend pipe in little curved outer protection bend pipe inside; Wherein large curved outer protection bend pipe and little curved outer protection bend pipe cross section are the circular arc of any number of degrees, but the circle that cross section must form 360 degree combined by two semicanals.
3. a kind of two points of double layer wear resistant and impact resistant bend pipes 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, ensure that the high wear resistance in large curved neutral position.
4. a kind of two points of double layer wear resistant and impact resistant bend pipes 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; Its medium and small curved interior abrasion-proof bent tube is designed to uniform thickness and not uniform thickness, ensures littlely curvedly to possess corresponding wear resistance.
5. a kind of two points of double layer wear resistant and impact resistant bend pipes according to claim 1, is characterized in that being provided with wear-resistant sleeve; And be provided with wear-resistant sleeve thereon and agree with inclined-plane; Wear-resistant sleeve agrees with inclined-plane and is located on wear-resistant sleeve cylindrical.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108071.8A CN104653934A (en) | 2015-03-12 | 2015-03-12 | Separated double-layer wear-resisting shock-resisting bend pipe |
| CN201610114556.2A CN105673979B (en) | 2015-03-12 | 2016-03-01 | Two points of two-layer equation wear resistant and impact resistant bend pipes of one kind and preparation method thereof |
| CN201610134472.5A CN105526449B (en) | 2015-03-12 | 2016-03-10 | A kind of two points or more points two-layer equation wear resistant and impact resistant pipes and preparation method thereof |
| JP2017566186A JP2018511764A (en) | 2015-03-12 | 2016-03-10 | Two-part or multi-part double-type wear and shock resistant pipe and method for producing the same |
| PCT/CN2016/076021 WO2016141879A1 (en) | 2015-03-12 | 2016-03-10 | Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof |
| EP16761106.0A EP3270029B1 (en) | 2015-03-12 | 2016-03-10 | Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof |
| LTEP16761106.0T LT3270029T (en) | 2015-03-12 | 2016-03-10 | Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof |
| US15/557,403 US20180259113A1 (en) | 2015-03-12 | 2016-03-10 | Two-branch or multi-branch double-layer wear-and-impact-resistant tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108071.8A CN104653934A (en) | 2015-03-12 | 2015-03-12 | Separated double-layer wear-resisting shock-resisting bend pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104653934A true CN104653934A (en) | 2015-05-27 |
Family
ID=53245390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510108071.8A Pending CN104653934A (en) | 2015-03-12 | 2015-03-12 | Separated double-layer wear-resisting shock-resisting bend pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653934A (en) |
Cited By (2)
| 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 |
-
2015
- 2015-03-12 CN CN201510108071.8A patent/CN104653934A/en active Pending
Cited By (5)
| 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 |
| EP3333470A4 (en) * | 2015-08-08 | 2019-05-08 | Zhaohui Zhou | Double-layered, double-piece automatic filling wear-resistant elbow for concrete pump trucks and manufacturing method thereof |
| 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 |
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Application publication date: 20150527 |