CN202672825U - Connection member made from composite material - Google Patents
Connection member made from composite material Download PDFInfo
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- CN202672825U CN202672825U CN 201220214465 CN201220214465U CN202672825U CN 202672825 U CN202672825 U CN 202672825U CN 201220214465 CN201220214465 CN 201220214465 CN 201220214465 U CN201220214465 U CN 201220214465U CN 202672825 U CN202672825 U CN 202672825U
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- pin
- junction plate
- rectangular slab
- thread
- pitman
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Abstract
The utility model discloses a connection member made from composite materials, which belongs to the field of fasten fittings made from composite materials. The connection member comprises a cylindrical connection bar, and at least one end of the connection bar is provided with a male thread. The connection member also comprises a connection plate which is formed by connecting a rectangular plate and a cylindrical connection rod which is horizontally connected to one side edge of the rectangular plate, a pin whose two ends are respectively provided with a male thread, a fixed nut which is in a thread cooperation with the pin, and a U-shaped connecting plate connected to a power line tower member. The connection bar is in a threaded connection with a female thread in a pipe mouth of the free end of the cylindrical connection rod of the connecting plate through a male thread end. An intermediate section of the U-shaped connecting plate is cylinder-shaped, and two flat plates are respectively connected to two radial ends of the cylindrical intermediate section. Middle parts of the two flat plates and middle parts of a rectangular plate of the connecting plate are respectively provided with a pinhole. The pinholes are in bolt joint by the pins and the fixed nuts at two ends of the pin. Accordingly, the connection member is formed. The connection member made from composite materials is advantageous in that weight is light; corrosion can be resisted; electrical isolation is possessed; weatherability is as long as 20 years; popularization and application can be facilitated.
Description
Technical field
The utility model relates to the coupling member of the fastening usefulness of a kind of composite material transmission tower, specifically is a kind of coupling member of making of composite material.
Background technology
In recent years, composite material transmission tower take its light weight, tensile strength is high and the excellent specific property such as corrosion-resistant gradually as the market approval, and be widely applied; But the coupling member such as fixing of fixing, the power transmission rod of used cross-arm is still continued to use the coupling member that traditional metal or stainless steel are made on the composite material transmission tower, its structure mainly with U-shaped or run-track shaped be main; Because composite material transmission tower belongs to the different material of two classes from metal or the used material of stainless steel coupling member, its stiffness and corrosion resistance widely different, simultaneously, the coupling member structure of U-shaped or track type is single, only has the two ends tie point; In use; the coupling member of metal or stainless steel can be corroded because of climate change and environmental factor; after being corroded, the coupling member of U-shaped or track type easily deforms; make to produce between coupling member and its fixing composite material cross arm or the power transmission rod and become flexible; cause electric leakage or outage; cause serious potential safety hazard to transmission line of electricity, also limited applying of composite material transmission tower simultaneously.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the purpose of this utility model provides a kind of novel structure, light weight, connect safety flexibly, not yielding, tensile strength is high, corrosion resistance and the coupling member of making of composite material with good electrical insulation characterisitic.
To achieve these goals, the utility model adopts following technical scheme: a kind of coupling member of making of composite material, and its characteristics are: it is assembled by pitman, junction plate, pin, hold-down nut and U-shaped junction plate;
Wherein, pitman is cylindric, and its length is generally 150～1500mm by deciding apart from length joining of insulation rod member of connecting with this coupling member; Diameter is 40～100mm, and at least one end of this cylindric pitman is provided with pin thread;
Junction plate is a rectangular slab and consists of with cylindric connecting rod one that this rectangular slab one side central horizontal is joined; In the free-ended mouth of pipe of cylindric connecting rod, be provided with negative thread; This female threaded pipe end is spirally connected by the pin end with pitman junction plate and pitman is fixedly connected; The vertical logical rectangular slab pin-and-hole that is provided with at the middle part of described rectangular slab plate face;
Be a cylinder on the arcwall face of U-shaped junction plate inboard, 2 same ends of flat board all join respectively one-body molded in the outer rim place at two ends with this cylinder barrel footpath up and down; The area of described dull and stereotyped plate face is identical with the area of described rectangular slab plate face; Vertically logically respectively at the center of 2 dull and stereotyped plate faces be provided with dull and stereotyped pin-and-hole; Described dull and stereotyped pin-and-hole is identical with the aperture of described rectangular slab pin-and-hole;
The diameter of pin cooperates setting with the aperture of described dull and stereotyped pin-and-hole, and its length grows the thickness of U-shaped junction plate integral body; The two ends of pin are provided with pin thread;
The rectangular slab of above-mentioned junction plate is inserted between 2 flat boards of U-shaped junction plate, rectangular slab pin-and-hole on it communicates corresponding with dull and stereotyped pin-and-hole, inserted by pin, be spirally connected by hold-down nut at the two ends of pin fixing, with junction plate and the U-shaped junction plate described coupling member of formation that fixes as one.
Above-mentioned cylindric pitman is the process for extruding glass fibre reinforced plastic moulding, and its diameter is 40～100mm, and length is 150～1500mm; This cylindric pitman one end is provided with the pin thread that length is 60～75mm, and the height of thread of this pin thread is that 2-3mm, pitch are the wide 0.85～1mm of being of crest of 4～6mm, screw thread.
Above-mentioned junction plate is by the vacuum diversion technological forming; Wherein, the thickness of rectangular slab is 18-20mm; The diameter of rectangular slab pin-and-hole is 18-40mm; The length of cylindric connecting rod is 75-90mm, and barrel is thick to be 9-10mm; The length of negative thread is 60-75mm in cylindric connecting rod one end, and the tooth of its screw thread is high, the crest of pitch, screw thread is wide all mates setting with the specification of the pin thread of pitman.
Above-mentioned U-shaped junction plate is one-body molded by vacuum diversion technique; Wherein, dull and stereotyped thickness is 9～10mm; Distance between 2 dull and stereotyped medial surfaces is identical with the internal diameter of its cylinder; The thickness of the distance between 2 dull and stereotyped plate face inboards 〉=described rectangular slab; The internal diameter of described cylinder is 40～100mm, and barrel is thick to be 9～10mm.
Above-mentioned pin adopts the process for extruding glass fibre reinforced plastic moulding, and the diameter of this pin is 18-40mm, and length is 86～158mm, and the pin thread length at its two ends is identical, is 15-20mm.
Above-mentioned hold-down nut is standard component, adopts the moulding of moulded glass steel process stempressing; The specification of this hold-down nut cooperates setting with the pin thread specification at pin two ends.
Owing to having adopted technique scheme, the beneficial effects of the utility model are as follows: 1) since this coupling member by the glass fiber reinforced plastics composite material moulding, compare with the mating formation that steel or stainless steel are made, its quality is light, intensity is high and corrosion-resistant, under the prerequisite that guarantees tensile strength, reduced 1/2-2/3 on the weight.2) moulding of pitman pin thread only needs 3-5min to get final product, and the steel that compares, irony screw thread have obvious shortening at molding cycle; The moulding of junction plate and U-shaped junction plate all adopts after the conventional vacuum diversion technique perfusion more machined pin-and-hole to make, the forming method of this structure only needs the simple auxiliary equipment such as vacuum pump, bench drill and a small amount of vacuum material to get final product, need not large-scale auxiliary equipment, its equipment cost is dropped into reduce.3) being threaded of pitman and junction plate, junction plate and plugging together of U-shaped junction plate are joined, and pin-and-hole and pin fixed form make this coupling member novel structure and firm combination, have solved U-shaped or the yielding defective of track type coupling member in the prior art; Simultaneously, guarantee the electrical insulation characteristics that composite material transmission tower is good, guaranteed the safety of transmission line of electricity.4) because its coupling member is formed by several assembling parts, can be different and use flexibly according to the parts of required connection, install quick and conveniently, estimate weatherability about 20 years, Maintenance free maintenance processing between the operating period; Be conducive to apply.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of pitman 1 among Fig. 1.
Fig. 3 is the structural representation of junction plate 2 among Fig. 1.
Fig. 4 is the structural representation of pin 3 among Fig. 1.
Fig. 5 is the structural representation of U-shaped junction plate 5 among Fig. 1.
The specific embodiment
As shown in Figure 1, a kind of it is assembled by the accessory of composite material forming for the fixing coupling member of usefulness of transmission tower, and its accessory comprises pitman 1, junction plate 2, insulation pin 3, hold-down nut 4 and U-shaped junction plate 5.
As shown in Figure 1 and Figure 2, pitman 1 is the cylindrical glass steel insulation drawing and extruding bar of 40-100mm diameter, adopt conventional pultrusion molding process moulding, the length of pitman 1 is generally 150～1500mm by deciding apart from length joining of insulation rod member of connecting with this coupling member; One end of this pitman 1 is provided with pin thread, and pin thread can be through the Vehicle Processing moulding; The length of this pin thread is 60-75mm, and the tooth height is 2-3mm, and pitch is 4-6mm, and crest is wide to be 0.85-1mm; The other end of this pitman 1 can be directly be fixedly connected with by parts relative in the peripheral hardware accessories such as gold utensil and the electric power transmission shaft tower; Also can this end be processed into pin thread according to the needs of practical application, be fixedly connected with relative parts in the electric power transmission shaft tower with the connector of negative thread by peripheral hardware.
Such as Fig. 1, Fig. 2, shown in Figure 3, junction plate 2 by a rectangular slab with is connected the cylindric connecting rod one that is connected with this rectangular slab one side central horizontal and consists of; Adopt the moulding of existing vacuum diversion processes; Wherein, the thickness of rectangular slab is 18-20mm, and the best is 18mm; Centre at rectangular slab plate face vertically has the rectangular slab pin-and-hole, and the diameter of rectangular slab pin-and-hole is 18-40mm, and the best is 20mm; The length of cylindric connecting rod is 75-90mm, and the best is 90mm; The external diameter of the pin end of the internal diameter of cylindric connecting rod and pitman 1 is complementary; Be provided with negative thread in the free-ended port of this cylindric connecting rod, the length of negative thread is 60-75mm, and the tooth of its screw thread is high, the crest of pitch, screw thread is wide all arranges with the specification coupling of the pin thread of pitman 1.
The pin end of pitman 1 mutually is spirally connected by the female threaded pipe end in the cylindric connecting rod in the junction plate 2 and is integrated.
Such as Fig. 1, shown in Figure 5, the semicircle cambered surface of U-shaped junction plate 5 inboards is provided with a cylinder, and this cylinder is the insertion end of insulation rod member in the electric power transmission shaft tower, such as the parts such as cross-arm in the transmission tower; One end of 2 dull and stereotyped homonymies all joins at the outer rim place at two ends up and down with this cylinder barrel footpath, and radially the outside at two ends is one-body molded with cylinder respectively for the link of 2 flat boards; Wherein, the thickness of 2 flat boards is 9-10mm, and the cylinder wall thickness is 9-10mm; Same position at 2 dull and stereotyped centers has the pin-and-hole that communicates, and the pin-and-hole diameter is 18-40mm; Distance between 2 dull and stereotyped plate face inboards is measure-alike with the cylinder internal diameter, the thickness of the distance between 2 dull and stereotyped plate face inboards 〉=described rectangular slab; Can avoid forming stress concentration point at this cylinder and dull and stereotyped transitional region.The one-body molded of this cylinder and 2 flat boards formed by existing vacuum diversion processes.
Such as Fig. 1, Fig. 3, shown in Figure 5, the rectangular slab face of junction plate 2 is inserted between 2 flat boards of U-shaped junction plate 5, the rectangular slab pin-and-hole at rectangular slab middle part corresponding with the dull and stereotyped pin-and-hole on 2 flat boards and communicate after, inserting two ends is the pin 3 of pin thread, length between pin thread the inner, pin 3 two ends slightly is shorter than the thickness between 2 dull and stereotyped external surfaces on the U-shaped junction plate 5, can play fastening effect to U-shaped junction plate in order to can guarantee the pin at two ends; The pin thread two ends that pin 3 passes 2 dull and stereotyped outsides are screwed tight respectively fixing by hold-down nut 4, U-shaped junction plate 5 and junction plate 2 are fixed as one consists of coupling member of the present utility model.
Such as Fig. 1, shown in Figure 4, pin 3 is cylindrical glass steel drawing and extruding bar, and length is 86-158mm, and the pin thread length at its two ends is identical, is 15-20mm; Can make through Vehicle Processing, its thread size meets the regular screw threads standard size.
Hold-down nut 4 is the glass fiber reinforced plastics composite material insulating nut, adopts conventional mould pressing process moulding, is standard component.
Such as Fig. 1, Fig. 3, shown in Figure 5, prepare U-shaped junction plate 5 with vacuum diversion technique, wherein, mould selects an end with rectangle template and a cylinder mould of semi arch groove, adopt glass fiber yarn and glass fiber twin shaft cloth to be layed in the semi arch groove of rectangle template one end and the two sides of rectangle template, twine vertically upper glass fiber twin shaft cloth on the surface of cylindrical die, the cylindrical die that will be wound with again glass fiber twin shaft cloth is placed on the semicircular arc groove of above-mentioned rectangular slab mould one end; Then repave at the external surface of rectangular slab mould and cylindrical die and put glass fiber twin shaft layer of cloth, leave a glue-feeder and a gum outlet at this layer of cloth; Vacuum pump with peripheral hardware will be evacuated in its glass fiber twin shaft cloth layer of cloth; Then pour into the resin adhesive liquid for preparing in advance by this glue-feeder in its layer of cloth, treat that gum outlet overflows till the resin adhesive liquid, glue-feeder is airtight, continues to keep vacuum state until resin gel; Be placed at last 15-25 ℃ the interior 1-2h of curing of room temperature moulding; After the demoulding, process respectively dull and stereotyped pin-and-hole at the plate face center of 2 flat boards again; In this example, dull and stereotyped pin-and-hole is gone out by the turning processing method car; Namely be shaped to U-shaped junction plate 5.
In like manner, the moulding of junction plate 2 is identical with the moulding process of U-shaped junction plate 5.Difference is: junction plate 2 used moulds are the pin thread mould identical with pitman 1 pin thread specification; Concrete operations are: twine glass fiber yarn and glass fiber twin shaft cloth at the pin thread mould, its glass fiber twin shaft cloth that grows pin thread mould one end directly is pressed into rectangular slab; After the technique identical with U-shaped junction plate 5 vacuumizes, pours into the resin adhesive liquid for preparing in advance, curing, the demoulding, again at the plate face center of rectangular slab processing rectangular slab pin-and-hole; Be that moulding is by a rectangular slab and one and the junction plate 2 that consists of of the isoplanar side of this rectangular slab cylindric connecting rod one connected vertically.
U-shaped junction plate 5 and junction plate 2 used glass fiber twin shaft cloth are multilayer, and every layer thickness is 0.4-0.6mm, usually lays the 18-20 layer according to product requirement; Used vinyl ester resin glue is identical, and its preparation should be determined according to temperature and the desired hardening time of environment in the vacuum diversion process.
In the U-shaped junction plate 5 size of cylinder internal diameter should with the transmission tower of this cylinder socket on the diameter of insulation rod member cooperate setting; General internal diameter cylindraceous is 40-100mm, and in the present embodiment, internal diameter cylindraceous is made as 100mm, and the external diameter of the cross-arm that joins with it is 100mm.
Such as Fig. 1-shown in Figure 5, catenation principle of the present utility model is as follows: cooperate yin, yang to be threaded with the female threaded pipe end of junction plate 2 cylindric connecting rod outer ends the pin end of pitman 1 first and fixing; Cylinder with U-shaped junction plate 5 stage casings is socketed on the insulation rod member of transmission tower again, as this cylinder being socketed on the cross-arm in the transmission tower; Then the rectangular slab face with junction plate 2 directly inserts between 2 flat boards of U-shaped junction plate 5, and the dull and stereotyped pin-and-hole on 2 platen surface of U-shaped junction plate 5 is relative with the rectangular slab pin-and-hole of junction plate 2; Insert in the pin-and-hole with pin 3, the pin thread that exposes at pin 3 two ends is spirally connected it respectively fixing with two hold-down nuts 4; The other end of pitman 1 with the transmission of electricity mobile jib by interconnecting with pitman 1 other end crimping or the bonding gold utensil that cooperates; If pitman 1 other end is connected with another cross-arm, need to go out pin thread at this end of pitman 1 also Vehicle Processing, then connect according to the form of this syndeton symmetry and get final product.
Claims (6)
1. coupling member of making of composite material, it is characterized in that: it is assembled by pitman (1), junction plate (2), pin (3), hold-down nut (4) and U-shaped junction plate (5);
Wherein, pitman (1) is cylindric, and at least one end of this cylindric pitman is provided with pin thread;
Junction plate (2) is a rectangular slab and consists of with a cylindric connecting rod one that this rectangular slab one side central horizontal is joined; In the free-ended mouth of pipe of cylindric connecting rod, be provided with negative thread; This female threaded pipe end is spirally connected by the pin end with described pitman (1) described junction plate (2) and described pitman (1) is fixedly connected; At the logical rectangular slab pin-and-hole that is provided with of the central vertical of described rectangular slab plate face;
The inboard arcwall face of U-shaped junction plate (5) is provided with a cylinder, and 2 same ends of flat board all join respectively one-body molded in the outer rim place at two ends with this cylinder barrel footpath up and down; The area of described dull and stereotyped plate face is identical with the area of described rectangular slab plate face; Vertically logically respectively at the center of 2 dull and stereotyped plate faces be provided with dull and stereotyped pin-and-hole; Described dull and stereotyped pin-and-hole is identical with the aperture of described rectangular slab pin-and-hole;
The rectangular slab of described junction plate (2) is plugged between 2 flat boards of U-shaped junction plate (5), described rectangular slab pin-and-hole communicates corresponding with described dull and stereotyped pin-and-hole, inserted by pin (3), be spirally connected by hold-down nut (4) at the two ends of pin (3) fixing, described junction plate (2) and described U-shaped junction plate (5) are fixed as one consists of described coupling member.
2. coupling member according to claim 1, it is characterized in that: described cylindric pitman is by the process for extruding glass fibre reinforced plastic moulding; Its diameter is 40～100mm, and length is 150～1500mm; This cylindric pitman one end is provided with pin thread, and the length of described pin thread is 60～75mm, and the tooth of screw thread is high to be that 2-3mm, pitch are the wide 0.85～1mm of being of crest of 4～6mm, screw thread.
3. coupling member according to claim 2, it is characterized in that: described junction plate (2) is by the vacuum diversion technological forming; Wherein, the thickness 18～20mm of rectangular slab; The diameter of rectangular slab pin-and-hole is 18～40mm; The length of described cylindric connecting rod is 75～90mm, and barrel is thick to be 9～10mm; The length of described negative thread is 60～75mm, and the tooth of screw thread is high, the wide all pin threads with described cylindric pitman one end of crest of pitch and screw thread are identical.
4. coupling member according to claim 3, it is characterized in that: described U-shaped junction plate (5) is one-body molded by vacuum diversion technique; Wherein, dull and stereotyped thickness is 9～10mm; The thickness of the distance between 2 dull and stereotyped plate face inboards 〉=described rectangular slab; The internal diameter of described cylinder is the thick 9～10mm of being of 40～100mm, barrel.
5. each described coupling member according to claim 1～4, it is characterized in that: described pin (3) is the process for extruding glass fibre reinforced plastic moulding, and the diameter of this pin (3) is 18～40mm, and length is 86～158mm, the pin thread length at its two ends is identical, is 15～20mm.
6. coupling member according to claim 5, it is characterized in that: described hold-down nut (4) is standard component, by the moulding of moulded glass steel process stempressing; The specification of this hold-down nut (4) cooperates setting with the pin thread specification at described pin (3) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214465 CN202672825U (en) | 2012-05-14 | 2012-05-14 | Connection member made from composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214465 CN202672825U (en) | 2012-05-14 | 2012-05-14 | Connection member made from composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202672825U true CN202672825U (en) | 2013-01-16 |
Family
ID=47493735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220214465 Expired - Lifetime CN202672825U (en) | 2012-05-14 | 2012-05-14 | Connection member made from composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202672825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635263A (en) * | 2012-05-14 | 2012-08-15 | 北京玻钢院复合材料有限公司 | Connection construction member capable of regulating tightness and manufacturing and assembling method thereof |
-
2012
- 2012-05-14 CN CN 201220214465 patent/CN202672825U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635263A (en) * | 2012-05-14 | 2012-08-15 | 北京玻钢院复合材料有限公司 | Connection construction member capable of regulating tightness and manufacturing and assembling method thereof |
| CN102635263B (en) * | 2012-05-14 | 2014-11-05 | 北京玻钢院复合材料有限公司 | Connection construction member capable of regulating tightness and manufacturing and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181218 Address after: 277500 South of Beixin West Road, Tengzhou City, Zaozhuang City, Shandong Province (Luban Avenue West, College West Road North) Patentee after: Beibao Power Composite Co., Ltd. Address before: 102101 No. 261 Kangxi Road, Badaling Industrial Development Zone, Yanqing County, Beijing Patentee before: Beijing FRP Research & Design Institute Composite Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |