CN111664152A - Rod piece connecting end and connecting method thereof - Google Patents
Rod piece connecting end and connecting method thereof Download PDFInfo
- Publication number
- CN111664152A CN111664152A CN202010659527.0A CN202010659527A CN111664152A CN 111664152 A CN111664152 A CN 111664152A CN 202010659527 A CN202010659527 A CN 202010659527A CN 111664152 A CN111664152 A CN 111664152A
- Authority
- CN
- China
- Prior art keywords
- rod piece
- rod
- metal sleeve
- glass fiber
- aperture
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003365 glass fiber Substances 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000005498 polishing Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000011247 coating layer Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
- F16B11/008—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing of tubular elements or rods in coaxial engagement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/84—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a rod piece connecting end and a connecting method thereof, relating to the technical field of rod piece connection, wherein the rod piece connecting end comprises a rod piece and a metal sleeve; the metal sleeve has been seted up the toper hole, and toper hole tip aperture is the same with the member external diameter, and toper hole main aspects aperture is greater than tip aperture 1 ~ 4mm, and the member tip is located to the toper hole, and the winding of member tip has the coating that is the back taper structure. The connection method comprises winding continuous glass fiber cloth around the connection part of the rod piece to form an inverted cone shape, impregnating structural adhesive, tightening the rod piece, introducing into the connector, impregnating the other end with the wound fiber, drawing into the connector, and heating and curing the rod piece connected with the two ends. And finally, polishing the top ends of the two ends, and polishing the resin overflowing from the surface.
Description
Technical Field
The invention relates to the technical field of rod piece connection, in particular to a rod piece connecting end and a connecting method thereof.
Background
The rod piece is often used in engineering in connection, the rod piece is made of various materials, generally, when the rod piece is connected, the surface of the rod piece is not allowed to be scratched, the consistency of the internal and external quality and performance of the rod piece is guaranteed in the connection process, and the performance and functional technical indexes of the original rod piece meet requirements. The connection of metal and metal adopts the combined action of a conical longitudinal slotted pipe and an outer layer threaded sleeve to fasten and clamp a metal rod piece, but the connector is required to be long enough, the outer sleeve has certain thickness, and enough positive pressure is increased by depending on the outer sleeve to ensure the friction force and the clamping force. With the application of the composite material rod, the connection of the composite material pultrusion rod cannot adopt the connection mode same as that of metal, but mainly adopts friction and assists positive pressure applied by an additional sleeve to ensure the connection strength and protect the rod; therefore, a connection structure and a connection method for the rod member are urgently needed.
Disclosure of Invention
The invention aims to provide a rod connecting end and a connecting method thereof, which are used for solving the problems in the prior art, so that a composite material rod has good tensile strength and almost no slippage, and the elongation change possibly occurring in the process of stretching a connecting piece is avoided.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a rod connecting end, which comprises a rod and a metal sleeve; the rod piece is of a solid rod body structure with a circular section; the utility model discloses a pole piece, including metal sleeve, both ends open-ended toper hole, toper hole aperture with the member external diameter is the same, toper hole main aspects aperture is greater than tip aperture 1 ~ 4mm, the external screw thread has evenly been seted up on the metal sleeve outer wall, the toper hole is used for the cover to locate the member tip, the winding of member tip has the coating that is the back taper structure.
Optionally, the coating layer is a continuous glass fiber cloth or a continuous glass fiber filament bundle.
The invention also provides a connecting method of the connecting end of the rod piece, which comprises the following steps:
step one; winding continuous glass fiber filament bundles at the connecting part at one end of the rod piece into an inverted cone shape;
step two; dipping structural adhesive at the part of the rod piece wound with the continuous glass fiber filament bundle, and then tensioning the rod piece to enable the connection part of the rod piece to enter the conical inner hole of the metal sleeve;
step three; the other end of the rod piece is wound with fiber and dipped in glue and pulled into the conical inner hole of the metal sleeve, and the rod piece connected with the two ends is heated and cured; and finally, polishing the top ends of the two ends, finishing polishing after resin overflows from the polished surface, and packaging and warehousing.
Compared with the prior art, the invention has the following technical effects:
the invention adopts the glass fiber to wind and form the inverted cone shape, then pulls in the rod piece, and the structural resin is solidified, thereby having good tensile strength, almost having no slippage, and avoiding the elongation change which possibly occurs when the connecting piece is stretched. And continuous glass fiber cloth or continuous glass fiber filament bundles are wound between the inner layer of the sleeve and the rod piece, so that the rod piece connector has higher tensile strength, low elongation and longer service life. The method has the advantages of simple operation, low cost and good performance, and can meet the requirements of higher connection strength and lower elongation rate by winding the end of the rod piece by fibers and dipping and curing. The technology has important application value in the fields of mechanical connection of rod pieces, bridge cables, electric cables, petroleum, water surface platforms, loading and unloading hoisting and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a connection end structure of a rod member according to the present invention;
wherein, 1 is a rod piece, 2 is a connector, and 3 is a coating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a rod connecting end and a connecting method thereof, which are used for solving the problems in the prior art, so that a composite material rod has good tensile strength and almost no slippage, and the elongation change possibly occurring in the process of stretching a connecting piece is avoided.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
The invention provides a rod connecting end and a connecting method thereof, as shown in figure 1, a rod 1 is a solid rod body with a circular section, a connector 2 is a metal sleeve with an external thread and a tapered inner hole, the aperture of the small end of the tapered inner hole is the same as the external diameter of the rod 1, and the aperture of the large end of the tapered inner hole is 1.5mm larger than that of the small end.
In the process of connecting the rod piece 1 and the connector 2, firstly winding continuous fiber glass cloth on a coating layer 3 which is in an inverted cone shape at the connecting part of the rod piece 1, then impregnating structural adhesive, then tensioning the part of the rod piece 1 wound with the coating layer 3 to enter a conical inner hole of the connector 2, winding fiber and impregnating the other end of the rod piece 1 and drawing the other end into the connector 2, and heating and curing the rod piece 1 connected with two ends. And finally, polishing the top ends of the two ends, and polishing the surface to overflow resin. And winding continuous glass fiber cloth or continuous glass fiber filament bundles between the inner layer of the metal sleeve and the rod piece 1, impregnating thermosetting resin into the glass fibers, heating and curing the glass fibers, heating to 135-150 ℃ when epoxy resin is adopted, cooling to room temperature, taking out the glass fibers, polishing, packaging and warehousing.
Example 2
The embodiment is another optimization and modification based on the first embodiment, and based on the first embodiment 1, the aperture of the small end of the tapered inner hole is the same as the outer diameter of the rod member 1, and the aperture of the large end of the tapered inner hole is 2mm larger than that of the small end. In the connection process of the rod member 1 and the connector 2, firstly winding continuous glass fiber filament bundles on the connection part of the rod member 1 to form an inverted cone shape, then impregnating structural adhesive, then tightening the part of the rod member 1 wound with the coating layer 3 into the connector 2, winding fibers on the other end of the rod member 1, impregnating the fibers, drawing the fibers into the connector, and heating and curing the rod member 1 connected with two ends. And finally, polishing the top ends of the two ends, and polishing the surface to overflow resin. And winding continuous glass fiber cloth or continuous glass fiber filament bundles between the inner layer of the metal sleeve and the rod piece 1, impregnating the glass fibers with thermosetting resin, heating and curing, heating to 125-135 ℃ when unsaturated polyester resin is adopted, cooling to room temperature, taking out the parts, polishing, packaging and warehousing.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (3)
1. A rod connecting end, comprising: comprises a rod piece and a metal sleeve; the rod piece is of a solid rod body structure with a circular section; the utility model discloses a pole piece, including metal sleeve, both ends open-ended toper hole, toper hole aperture with the member external diameter is the same, toper hole main aspects aperture is greater than tip aperture 1 ~ 4mm, the external screw thread has evenly been seted up on the metal sleeve outer wall, the toper hole is used for the cover to locate the member tip, the winding of member tip has the coating that is the back taper structure.
2. The rod connecting end of claim 1, wherein: the coating layer is continuous glass fiber cloth or continuous glass fiber filament bundle.
3. A connecting method of a rod connecting end is characterized in that: the method comprises the following steps:
step one; winding continuous glass fiber filament bundles at the connecting part at one end of the rod piece into an inverted cone shape;
step two; dipping structural adhesive at the part of the rod piece wound with the continuous glass fiber filament bundle, and then tensioning the rod piece to enable the connection part of the rod piece to enter the conical inner hole of the metal sleeve;
step three; the other end of the rod piece is wound with fiber and dipped in glue and pulled into the conical inner hole of the metal sleeve, and the rod piece connected with the two ends is heated and cured; and finally, polishing the top ends of the two ends, finishing polishing after resin overflows from the polished surface, and packaging and warehousing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659527.0A CN111664152A (en) | 2020-07-10 | 2020-07-10 | Rod piece connecting end and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659527.0A CN111664152A (en) | 2020-07-10 | 2020-07-10 | Rod piece connecting end and connecting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111664152A true CN111664152A (en) | 2020-09-15 |
Family
ID=72392159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659527.0A Pending CN111664152A (en) | 2020-07-10 | 2020-07-10 | Rod piece connecting end and connecting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664152A (en) |
-
2020
- 2020-07-10 CN CN202010659527.0A patent/CN111664152A/en active Pending
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