CN106759945B - A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly - Google Patents
A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly Download PDFInfo
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- CN106759945B CN106759945B CN201611258588.6A CN201611258588A CN106759945B CN 106759945 B CN106759945 B CN 106759945B CN 201611258588 A CN201611258588 A CN 201611258588A CN 106759945 B CN106759945 B CN 106759945B
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- Prior art keywords
- sleeve
- inner sleeve
- outer sleeve
- bulge loop
- frp
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- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/28—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of other material
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Revetment (AREA)
Abstract
The invention discloses become ripple wedge shape Hybrid connections assembly inside and outside a kind of FRP structures.The invention mainly comprises the nonmetallic outer sleeve of a cylinder and an inner metal sleeve cylinders；Outer sleeve inwall processing has continuous annular groove, and each adjacent annular depth of groove becomes larger from one end to the other end, and several radial screw holes are uniformly reserved with positioned at outer sleeve one end end of deeper annular groove；Inner sleeve drum outer wall is continuous bulge loop, and each adjacent bulge loop height becomes larger from one end to the other end, and shape, the size and number of each bulge loop are corresponding with each annular groove of outer sleeve inner wall consistent, and can form occlusion；Several radial screw holes identical with outer sleeve end are uniformly reserved with positioned at one end end of the inner sleeve of higher bulge loop, and the inner sleeve end is equipped with internal thread, the inner sleeve that certain distance starts apart from the end uniformly cuts into several pieces by axial.The present invention solves the problems, such as that connecting node is easily destroyed when FRP tubing main as structure load-carrying member.
Description
Technical field
The invention belongs to technical field of civil engineering, and in particular to a kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections
Assembly.
Background technology
With the development of society, attention of the people to environmental issue, the caused problem of environmental pollution of metal component corrosion
It is increasingly prominent.And a kind of non-metallic fibers reinforcing material (hereinafter referred to as FRP) due to it is with intensity height from heavy and light, and it is antifatigue
And the features such as corrosion resistance and good is to bring new approaches the problems such as solving metal component corrosion, because of its tensile strength and resistance to
The advantages such as corrosion, which are for we, to be ignored.
In modern project, tubing is widely used in various structures, such as truss structure, and achieves well using effect
Fruit.Due to some above-mentioned problems existing for traditional metal pipe material, and tradition connection when the main load-carrying member of non-metal pipe
The shortcomings of method is poor there are node strength.Therefore, a kind of attachment device that can make FRP pipe alternative metals tubing is researched and developed, from root
Metal pipe material is solved in sheet the problems of in use, realizes that non-metal pipe is used as load structure in various configurations
Part uses, to promoting FRP tubing in civil engineering with there is critically important practical significance.
Invention content
Connecting node that the purpose of the present invention is to solve the prior arts in FRP tubing load-carrying member main as structure
Easily the problem of being destroyed so that FRP tubing can alternative metals pipe applications main load-carrying member is used as in structure, and provide
A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly.
The purpose of the present invention is by the following technical solutions to realize：The FRP structures are inside and outside to become the mixing of ripple wedge shape
Part is assembled, it includes the nonmetallic outer sleeve of a cylinder and a matched inner metal sleeve cylinder；The outer sleeve
Inwall processing have continuous annular groove, and the depth of each adjacent annular groove becomes larger from one end to the other end, is located at
One end end of the outer sleeve of deeper annular groove is uniformly reserved with several radial screw holes；The outer wall of the inner sleeve is continuous
Bulge loop, and the height of each adjacent bulge loop becomes larger from one end to the other end, shape, size and number and the outer sleeve of each bulge loop
Each annular groove of inner wall corresponds to unanimously, and can form occlusion；It is uniformly reserved positioned at one end end of the inner sleeve of higher bulge loop
There are several radial screw holes identical with outer sleeve end, and the inner sleeve end is equipped with internal thread, apart from the end certain distance
The inner sleeve of beginning uniformly cuts into several pieces by axial；The two end edges circle of each annular groove of inner wall of outer sleeve is that equal diameter is justified,
The root bottom part circle of each bulge loop of inner sleeve drum outer wall is that equal diameter is justified, and the inner wall circle of inner sleeve is that equal diameter is justified；Inner sleeve is inserted in housing
The radial screw hole reserved by its end after cylinder is bolted, there are gap between inner sleeve and outer sleeve, the FRP that need to be connected
Non-metallic pipe is inserted into inner sleeve and housing from the shallower one end of the front of motor of inner sleeve and outer sleeve, that is, inner sleeve drum outer wall bulge loop
Gap between cylinder makes the inner sleeve for cutting into several pieces strut, squeezes FRP non-metallic pipes and occur in groove by external force compression
Deformation, to realize mechanical connection.
Specifically, the nonmetallic outer sleeve is made of FRP material.
Specifically, the inner sleeve uniformly cuts into 6 by axial.
The present invention has the advantages that compared with present technology：
(1) outer sleeve at connecting node makes for FRP material, has the function of corrosion-resistant and protection inner sleeve.
(2) relative to traditional splicing, be bolted or glue bolt Hybrid connections, connection scheme of the present invention are in early period pair
FRP non-metallic pipes connector factory carry out inside and outside sleeve preload installation, then to construction site by a kind of bar connecting piece (
Have patent, behind introduce again) scene splicing, in comparison, this method speed of application is fast, and local damage will not be caused to tubing itself
Wound, therefore quality of connection is more secure.
(3) it is required according to structural bearing capacity, it, can be simultaneously in FRP non-metallic pipe outer walls when factory carries out pre-tightening installation
Increase glue-line with outer sleeve inner wall contact surface, since inside and outside sleeve is bolted as an entirety, apply in this way add glue-line into
One step improves the bearing capacity at tubing connecting node, is allowed to suitable for more structures.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the outer sleeve of the embodiment of the present invention.
Fig. 2 is the half sectional view of Fig. 1.
Fig. 3 is the dimensional structure diagram of the inner sleeve of the embodiment of the present invention.
Fig. 4 is the half sectional view of Fig. 3.
Fig. 5 is the overall structure diagram being pre-installed on inner and outer sleeves of the present invention after FRP non-metallic pipes.
Fig. 6 is the half sectional view of Fig. 5.
Fig. 7 is the structural schematic diagram for the bar connecting piece being used cooperatively with the present invention.
Fig. 8 is that bar connecting piece shown in inner and outer sleeves and Fig. 7 links together two FRP non-metallic pipes through the invention
Overall structure diagram afterwards.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, Fig. 2, the embodiment of the present invention includes cylindrical nonmetallic outer sleeve 1, outer sleeve 1 uses FRP material system
At outer sleeve 1 is mainly by the circumferential filament stress of its material itself；As it is clear from fig. 2 that the inwall processing of outer sleeve 1 has continuously
Annular groove 12, when connection, primarily serves hoop constraint effect, and the depth of each adjacent annular groove 12 is from left end to right end
It becomes larger, being located at the right end end of the outer sleeve 1 of deeper annular groove 12, uniformly reserved there are six radial screw holes.Referring to Fig. 3,
Fig. 4, further includes the inner metal sleeve cylinder 2 mating with outer sleeve 1, and the outer wall of inner sleeve 2 is continuous bulge loop 21, and each adjacent bulge loop
21 height becomes larger from left end to right end, and each annular of 1 inner wall of shape, size and number and outer sleeve of each bulge loop 21 is recessed
Slot 12 corresponds to unanimously, and can form occlusion；Positioned at higher bulge loop 21 inner sleeve 2 right end end uniformly it is reserved there are six with it is outer
The identical radial screw hole in 1 right part of sleeve, and 2 right part of inner sleeve is equipped with internal thread 23, it can be seen from figure 3 that apart from right part one
The inner sleeve 2 that set a distance starts uniformly cuts into six by axial.
Referring to Fig. 1 to 4, the two end edges circle of each annular groove of the inner wall of outer sleeve 1 12 is that equal diameter is justified, but each annular groove
12 slot bottom vertex circular diameter is unequal and forms a wedge shape；The root bottom part circle of each bulge loop of the outer wall of inner sleeve 2 21 is equal straight
Diameter is justified, and the inner wall of inner sleeve 2 circle is that equal diameter is justified, but the vertex circular diameter of each bulge loop 21 is unequal and form a wedge shape；This
The structure of sample can enable outer sleeve 1 be mutually twisted, be fitted close with inner sleeve 2.Inner sleeve 2 can pass through after being inserted in outer sleeve 1
The reserved radial screw hole in its end is bolted, and there are gaps between inner sleeve 2 and outer sleeve 1；Referring to Fig. 5, Fig. 6, need to connect
FRP non-metallic pipes 3 from the front of motor of inner sleeve 2 and outer sleeve 1 be inserted into the gap between inner sleeve 2 and outer sleeve 1 (should between
Gap is determined according to the thickness of FRP non-metallic pipes 3)；Can first be held with a firm grip with external force the inner sleeve 2 of dicing before installation, to handle
Inner sleeve 2 injects internal diameter and is slightly smaller than in the non-metallic pipe 3 of 2 outer diameter of inner sleeve, after installation and pretightning force can be formed, by inside and outside
The reserved screw hole of sleeve ends, is connected with as an entirety, as shown in Figure 5,6 pre-assembled to reach.Referring to Fig. 7,
It is a kind of structural schematic diagram (patent No. of FRP bar connecting pieces：ZL201520968843.0), it includes stainless steel tube 5 and sets
Put forth effort portion 6 in the FRP torsions on its outer wall, by being threaded into inner sleeve 2 for 5 both ends of stainless steel tube, utilizes connector
Into the inner sleeve 2 for being cut into several pieces is strutted, squeezes FRP non-metallic pipes 3 and deform in annular groove 12, to reach
The bulge loop 21 of inner sleeve outer surface is set to be engaged with the formation of the annular groove 12 of outer sleeve inner surface, between final realization non-metallic pipe
Connection, as shown in Figure 8.
By the above attachment device construction embodiment, non-metallic pipe can be thus achieved as the company between primary load bearing component in we
It connects, can also realize connection of the non-metallic pipe in the structure between node by this method, to realize that non-metallic pipe is made
For main load-carrying member each structure type application.
Claims (3)
1. a kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly, it is characterised in that：It includes a non-gold of cylinder
Belong to outer sleeve and a matched inner metal sleeve cylinder；The inwall processing of the outer sleeve has continuous annular groove, and each
The depth of adjacent annular groove becomes larger from one end to the other end, and one end end for being located at the outer sleeve of deeper annular groove is equal
It is even to be reserved with several radial screw holes；The outer wall of the inner sleeve be continuous bulge loop, and the height of each adjacent bulge loop from one end to
The other end becomes larger, and shape, the size and number of each bulge loop are corresponding with each annular groove of outer sleeve inner wall consistent, and can shape
At occlusion；It is uniformly reserved with several radial spiral shells identical with outer sleeve end positioned at one end end of the inner sleeve of higher bulge loop
Hole, and the inner sleeve end is equipped with internal thread, the inner sleeve that certain distance starts apart from the end uniformly cuts into number by axial
Piece；The two end edges circle of each annular groove of inner wall of outer sleeve is that equal diameter is justified, the root bottom part of each bulge loop of inner sleeve drum outer wall circle for etc.
The inner wall circle of diameter circle, inner sleeve is that equal diameter is justified；Inner sleeve is inserted in the radial screw hole reserved by its end after outer sleeve
It is bolted, there are gap between inner sleeve and outer sleeve, the non-company of the FRP non-metallic pipes that need to connect from inner sleeve and outer sleeve
It connects the shallower one end of end i.e. inner sleeve drum outer wall bulge loop and is inserted into the gap between inner sleeve and outer sleeve, cutting is made by external force compression
It is strutted at several pieces inner sleeve, squeezes FRP non-metallic pipes and deform in groove, to realize mechanical connection.
2. the FRP structures according to claim 1 are inside and outside to become ripple wedge shape Hybrid connections assembly, it is characterised in that：Institute
Nonmetallic outer sleeve is stated to be made of FRP material.
3. FRP structures according to claim 1 or 2 are inside and outside to become ripple wedge shape Hybrid connections assembly, it is characterised in that：Institute
It states inner sleeve and uniformly cuts into 6 by axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258588.6A CN106759945B (en) | 2016-12-30 | 2016-12-30 | A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258588.6A CN106759945B (en) | 2016-12-30 | 2016-12-30 | A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106759945A CN106759945A (en) | 2017-05-31 |
| CN106759945B true CN106759945B (en) | 2018-11-06 |
Family
ID=58954537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611258588.6A Active CN106759945B (en) | 2016-12-30 | 2016-12-30 | A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106759945B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492443B (en) * | 2020-04-01 | 2022-07-26 | 张聪捷 | Locking structure for carpentry saw blade |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10206614A1 (en) * | 2001-02-15 | 2002-08-29 | Klaus Wenderoth | Screw connection for bonded fiber body is made at least partly as tube with external and internal threads |
| CN202023803U (en) * | 2011-03-28 | 2011-11-02 | 四川国际标榜职业学院 | Rod piece connecting structure used for bamboo furniture |
| CN102839753A (en) * | 2012-09-07 | 2012-12-26 | 中国人民解放军63983部队 | Anchoring device used between FRP (Fiber Reinforced Plastic) pipe and metal bar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02236013A (en) * | 1989-03-09 | 1990-09-18 | Sumitomo Metal Ind Ltd | Driving shaft made of fiber reinforced plastic |
-
2016
- 2016-12-30 CN CN201611258588.6A patent/CN106759945B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10206614A1 (en) * | 2001-02-15 | 2002-08-29 | Klaus Wenderoth | Screw connection for bonded fiber body is made at least partly as tube with external and internal threads |
| CN202023803U (en) * | 2011-03-28 | 2011-11-02 | 四川国际标榜职业学院 | Rod piece connecting structure used for bamboo furniture |
| CN102839753A (en) * | 2012-09-07 | 2012-12-26 | 中国人民解放军63983部队 | Anchoring device used between FRP (Fiber Reinforced Plastic) pipe and metal bar |
Non-Patent Citations (1)
| Title |
|---|
| 复合材料预紧力齿连接技术研究现状与进展;赵启林等;《玻璃钢/复合材料》;20141231;第52-55页 * |
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| Publication number | Publication date |
|---|---|
| CN106759945A (en) | 2017-05-31 |
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