CN202708358U - Delivery pipe and construction machinery - Google Patents
Delivery pipe and construction machinery Download PDFInfo
- Publication number
- CN202708358U CN202708358U CN 201220341078 CN201220341078U CN202708358U CN 202708358 U CN202708358 U CN 202708358U CN 201220341078 CN201220341078 CN 201220341078 CN 201220341078 U CN201220341078 U CN 201220341078U CN 202708358 U CN202708358 U CN 202708358U
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- inner tube
- flange
- delivery pipe
- tube
- outer tube
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Abstract
The utility model provides a delivery pipe, which comprises an inner pipe and an outer pipe. The inner pipe is arranged in the outer pipe. The outer wall of the inner pipe is attached to the inner wall of the outer pipe. The inner pipe is centrifugally cast. The outer pipe is made from a carbon fiber composite material. The utility model also discloses construction machinery. According to the technical scheme, the delivery pipe has high toughness, high abrasion resistance and higher cost performance.
Description
Technical field
The utility model relates to the conveying equipment field, in particular to a kind of delivery pipe and a kind of engineering machinery.
Background technique
Existing delivery pipe manufacturing technology mainly contains following several: directly be shaped by the blanking of individual layer wear-resistant steel pipe; Or with casting steel tube or the fished pipe blanking shaping outer tube of low carbon steel or low alloy steel material, more wear-resisting inner tube is set in the outer tube, form at last the composite conveying pipe product; Or adopt centrifugal casting technique directly two kinds of casting of metals to be become bimetal tube, become certain thickness finished product composite conveying pipe through processes such as rolling, drawings again.Adopt in the delivery pipe of these methods manufacturings, common Wear Resisting Steel delivery pipe, wear resistance is low, and working life is short; And bi-metal composite delivery pipe for guaranteeing intensity and the rigidity of pipeline, can not be done wall thickness very little, so the finished product pipe weight is large and wear resistance is low, working life is low, simultaneously, and bimetal composite casting and rolling, drawing forming composite conveying pipe, complex manufacturing, manufacture cost is high.
Therefore, need a kind of new delivery pipe, have higher obdurability and wear resistance, and higher cost performance.
The model utility content
The utility model just is being based on the problems referred to above, has proposed a kind of delivery pipe, has higher obdurability and wear resistance, and higher cost performance.
In view of this, the utility model proposes a kind of delivery pipe, comprise inner and outer tubes, described inner tube is arranged in the described outer tube, and the outer wall of described inner tube and the inwall of described outer tube fit, wherein, described inner tube adopts the centrifugal casting mode to make, and described outer tube adopts carbon fiber composite to make.
In this technological scheme, because inner tube adopts centre spinning method to be shaped, make the inner tube can single forming, and dense structure, when transmission, higher wear resistance is arranged, increased the working life of delivery pipe, and because centre spinning method is saved metallic material, saved cost, the mass production of the inner tube of being more convenient for.
In technique scheme, preferably, at least one end of described inner tube stretches out described outer tube, and the part that described inner tube is stretched out described outer tube is provided with flange.
In technique scheme, preferably, described flange adopts structural carbon steel or low alloy steel to make.
In this technological scheme, the convenient processing of structural carbon steel or low alloy steel, and be conducive to reduce manufacture cost.
In technique scheme, preferably, described flange connects by the castingin mode with described inner tube.
In this technological scheme, by embedding method flange is connected with inner tube, simple, and also safe and reliable, also be conducive to reduce manufacture cost.
In technique scheme, preferably, be provided with an end of described flange, described inner tube also outwards convexes to form flange; And the bottom of described flange is provided with annular groove to cooperate described flange.
In this technological scheme, the flange of the outside projection in inner tube end, it is the equal of the thickening design of inner tube end, improved the wear resistance of pipe end, especially when using assembling journal offset to occur, effect is more obvious, and by flange with flange connect in inner tube, make the surface of contact of flange and inner tube larger, connect more solid and reliable.
In this technological scheme, form projection by centre spinning method at metallic material, need not material is cut, improved the utilization ratio of material, reduce production costs, also so that the whole usability of inner tube is higher, and be convenient to automatic production.
In technique scheme, preferably, described inner tube comprises first portion and second portion, described first portion and described second portion one end all form described flange, the other end is respectively the first identical tangent plane of cutting angle and the second tangent plane, described the first tangent plane and described the second tangent plane adopt adhesive attachment, make the two ends of described inner tube all have described flange.
In this technological scheme, because the centre spinning method that usually adopts can only generate flange at the one end when it is shaped an inner tube, the method by two identical inner tube cuttings are connected has again realized that two ends all need arrange the manufacturing of the inner tube of flange.
In technique scheme, preferably, described outer tube adopts carbon fiber composite to make.
In this technological scheme, make outer tube by adopting carbon fiber composite, so that outer tube has higher obdurability, and proportion is low, and is higher than mould, than powerful, endurance life is high, and has stronger impact resistance, has greatly improved the performance of composite pipe.
In technique scheme, preferably, described outer tube adopts Filament-wound Machine to be wrapped in the outer wall of described inner tube.
According to another aspect of the present utility model, a kind of engineering machinery has also been proposed, comprise the described delivery pipe of above-mentioned arbitrary technological scheme.
By above technological scheme, delivery pipe can have higher obdurability and wear resistance, and higher cost performance.
Description of drawings
Fig. 1 shows the structural representation according to embodiment's of the present utility model delivery pipe;
Fig. 2 shows the joint schematic representation according to embodiment's of the present utility model delivery pipe.
Component names and the corresponding relation between the reference character among Fig. 1 and Fig. 2 are:
1 inner tube; 12 flanges; 2 outer tubes; 3 flanges; 4 first portions; 5 second portions; 6 first inclined-planes; 7 second inclined-planes.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Fig. 1 shows the structural representation according to embodiment's of the present utility model delivery pipe.
As shown in Figure 1, delivery pipe comprises inner tube 1 and outer tube 2, and inner tube 1 is arranged in the outer tube 2, and the inwall of the outer wall of inner tube 1 and outer tube 2 fits, and wherein, inner tube 1 adopts the centrifugal casting mode to make, and described outer tube 2 adopts carbon fiber composites to make.
In this technological scheme, because inner tube 1 adopts centre spinning method to be shaped, make the inner tube 1 can single forming, and dense structure, when transmission, higher wear resistance is arranged, increased the working life of delivery pipe, and because centre spinning method is saved metallic material, saved cost, the mass production of the inner tube of being more convenient for 1.
And the tube wall of composite material to lose efficacy be a progressive process, paroxysmal booster phenomenon can not appear, avoided contingency.
In technique scheme, at least one end of inner tube 1 stretches out outer tube 2, and the part that inner tube 1 is stretched out outer tube 2 is provided with flange 3.Wherein, flange 3 adopts structural carbon steel or low alloy steel to make.
In this technological scheme, the convenient processing of structural carbon steel or low alloy steel flange, and be conducive to reduce manufacture cost.
Concrete, before cast, prefabricated flange is placed in the pipe die, after alloy pours into the flange castingin in antifriction alloy inner tube 1 end.Cast tube obtains higher hardness 58-65HRC through quenching with temper.
In technique scheme, flange 3 connects by the castingin mode with inner tube 1.
In this technological scheme, by embedding method flange 3 is connected with inner tube 1, simple, and also safe and reliable, also be conducive to reduce manufacture cost.
In technique scheme, be provided with an end of flange 3, inner tube 1 also outwards convexes to form flange 12; And the bottom of flange 3 is provided with annular groove with mating flange 12.
In this technological scheme, inner tube 1 end is to the flange 12 of outer process, it is the equal of the thickening design of inner tube 1 end, improved the wear resistance of pipe end, especially when using assembling journal offset to occur, effect is more obvious, and flange 12 can make the surface of contact of flange 3 and inner tube 1 larger, connect more solid and reliable.
In this technological scheme, form flange and flange by centre spinning method at metallic material, need not material is cut, improved the utilization ratio of material, reduce production costs, also so that the bulk material properties of inner tube 1 is higher, and be convenient to automatic production.
In the technique scheme, also can be according to actual conditions, directly form flange 3 in inner tube 1 by plastic deformation, or by interference fit, welding, riveted joint, screw thread or the method such as gluing flange 3 is connected with inner tube 1.
As shown in Figure 2, inner tube 1 can comprise first portion 4 and second portion 5, one end of first portion 4 and second portion 5 all forms flange 12, the other end is respectively the first identical tangent plane 6 of cutting angle and the second tangent plane 7, the first tangent plane 6 and the second tangent plane 7 adopt adhesive attachment, make the two ends of inner tube 1 all have flange 12.
In this technological scheme, because the centre spinning method that usually adopts, it can only generate flange 12 at the one end when being shaped an inner tube 1, and the method by two identical inner tubes 1 cuttings are connected again realize that two ends all need arrange the manufacturing of the inner tube 1 of flange 12.
Specific implementation method is one section inner tube 1 to be placed on the cutting machine cut, (this angle is between 0 ° to 90 ° in theory to make tangent plane and inner tube 1 axis be default angle by means of suitable anchor clamps, but for to cut the area of contact of rear two sections inner tubes 1 larger, more firm after engaging, generally all be that tangent plane is set to scarf), then prepare after the same method another section inner tube 1, at last, according to default coaxality requirement, the tangent plane of two sections pipes is coated with afterwards docking of adhesive, guarantees to engage the dead in line of rear two sections pipes.
In technique scheme, outer tube 2 adopts carbon fiber composite to make.
In this technological scheme, the density of carbon fiber composite is (1.50 ~ 1.60) g/cc approximately, and steel are about 7.87 g/ccs; The specific strength of carbon fiber composite is about 7 ~ 12 times of steel, specific modulus is about 3 ~ 5 times of steel, therefore, adopt carbon fiber composite to make outer tube 2, make outer tube 2 have higher obdurability, and proportion is low, higher than mould, than powerful, endurance life is high, and have stronger impact resistance, greatly improved the performance of composite pipe.
The user can be glass fibre, aramid fibre, ceramic fiber, boron fiber, superhigh molecular weight polyethylene fibers with outer tube 2 material substitutions according to actual conditions also, or the combination of multiple fiber, or the synthetic polymer matrix composites of other materials of gaining in strength and resin, wherein, resin can be polyester resin, epoxy resin.These composite materials make tube wall have equally intensity height, lightweight or other predetermined performances.
Wherein, outer tube 2 can adopt Filament-wound Machine to be wrapped in the outer wall of inner tube 1, certainly, can also adopt vacuum pouring method, die forming method, hand to stick with paste other various ways such as method, laminating.
According to another aspect of the present utility model, a kind of engineering machinery has also been proposed, comprise above-mentioned each described delivery pipe.
More than be described with reference to the accompanying drawings the technical solution of the utility model, considered in the correlation technique, the wear resistance of delivery pipe is lower, causes reduce working life, and the higher conveying pipe production process complexity of wear resistance, manufacture cost is also very high.The utility model proposes a kind of delivery pipe, have higher obdurability and wear resistance, and higher cost performance, and a kind of engineering machinery that comprises this delivery pipe has been proposed.
In the utility model, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. delivery pipe, it is characterized in that, comprise inner tube (1) and outer tube (2), described inner tube (1) is arranged in the described outer tube (2), and the inwall of the outer wall of described inner tube (1) and described outer tube (2) fits, wherein, described inner tube (1) adopts the centrifugal casting mode to make, and described outer tube (2) adopts carbon fiber composite to make.
2. delivery pipe according to claim 1 is characterized in that, at least one end of described inner tube (1) stretches out described outer tube (2), and the part that described inner tube (1) is stretched out described outer tube (2) is provided with flange (3).
3. delivery pipe according to claim 2 is characterized in that, described flange (3) adopts structural carbon steel or low alloy steel to make.
4. delivery pipe according to claim 2 is characterized in that, described flange (3) connects by the castingin mode with described inner tube (1).
5. delivery pipe according to claim 2 is characterized in that, at an end that is provided with described flange (3), described inner tube (1) also outwards convexes to form flange (12); And
The bottom of described flange (3) is provided with annular groove to cooperate described flange (12).
6. delivery pipe according to claim 5, it is characterized in that, described inner tube (1) comprises first portion (4) and second portion (5), one end of described first portion (4) and described second portion (5) all forms described flange (12), the other end is respectively identical the first tangent plane (6) of cutting angle and the second tangent plane (7), and described the first tangent plane (6) and described the second tangent plane (7) adopt adhesive attachment.
7. delivery pipe according to claim 1 is characterized in that, described outer tube (2) adopts Filament-wound Machine to be wrapped in the outer wall of described inner tube (1).
8. an engineering machinery is characterized in that, comprises each described delivery pipe in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341078 CN202708358U (en) | 2012-07-13 | 2012-07-13 | Delivery pipe and construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341078 CN202708358U (en) | 2012-07-13 | 2012-07-13 | Delivery pipe and construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708358U true CN202708358U (en) | 2013-01-30 |
Family
ID=47588664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220341078 Expired - Fee Related CN202708358U (en) | 2012-07-13 | 2012-07-13 | Delivery pipe and construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708358U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390085A (en) * | 2014-04-29 | 2015-03-04 | 樊哲斌 | Conveying pipe for light-weight concrete pump truck arm frame |
| CN106499879A (en) * | 2016-11-23 | 2017-03-15 | 中联重科股份有限公司 | Pipe conveying equipment, consume type head conduit and its manufacture method |
| CN106643283A (en) * | 2016-12-20 | 2017-05-10 | 江苏法尔胜技术开发中心有限公司 | Metal lining-contained carbon fiber composite material body pipe and prestress application method thereof |
| CN108582826A (en) * | 2018-05-23 | 2018-09-28 | 承德泰航新材料科技有限公司 | A kind of preparation method of polyurethane composite pipe |
-
2012
- 2012-07-13 CN CN 201220341078 patent/CN202708358U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390085A (en) * | 2014-04-29 | 2015-03-04 | 樊哲斌 | Conveying pipe for light-weight concrete pump truck arm frame |
| CN106499879A (en) * | 2016-11-23 | 2017-03-15 | 中联重科股份有限公司 | Pipe conveying equipment, consume type head conduit and its manufacture method |
| CN106499879B (en) * | 2016-11-23 | 2019-06-25 | 中联重科股份有限公司 | Pipe conveying equipment, consume type head conduit and its manufacturing method |
| CN106643283A (en) * | 2016-12-20 | 2017-05-10 | 江苏法尔胜技术开发中心有限公司 | Metal lining-contained carbon fiber composite material body pipe and prestress application method thereof |
| CN106643283B (en) * | 2016-12-20 | 2018-07-10 | 江苏法尔胜技术开发中心有限公司 | The barrel of carbon fibre composite containing metal inner lining and its method for applying prestressing force |
| CN108582826A (en) * | 2018-05-23 | 2018-09-28 | 承德泰航新材料科技有限公司 | A kind of preparation method of polyurethane composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUNAN SANYI ZHONGYANG MACHINERY CO., LTD. Assignor: Sanyi Heavy Industry Co., Ltd. Contract record no.: 2013430000060 Denomination of utility model: Delivery pipe and construction machinery Granted publication date: 20130130 License type: Exclusive License Record date: 20130510 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: 417100 Hunan province city of Lianyuan city Changsha Shi Ma Shan Zhen Ma Cun Jiajing (Renmin Road) Patentee after: Loudi Zhong Yuan new material Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150713 |
|
| EXPY | Termination of patent right or utility model |