CN212224835U - Lattice type composite material tower - Google Patents
Lattice type composite material tower Download PDFInfo
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- CN212224835U CN212224835U CN202021265735.4U CN202021265735U CN212224835U CN 212224835 U CN212224835 U CN 212224835U CN 202021265735 U CN202021265735 U CN 202021265735U CN 212224835 U CN212224835 U CN 212224835U
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Abstract
The utility model provides a lattice formula combined material shaft tower belongs to shaft tower structure field. The problem of current shaft tower bearing capacity poor is solved. It includes base, girder, oblique pull rod, drag link, adaptor, cell type section bar and embraces the pole, base quantity is a plurality ofly, a plurality of bases with the form distribution of angular point and with ground fixed connection, every equal fixedly connected with girder on the base, it is adjacent be connected with many oblique pull rod and drag link between the girder, the drag link sets up between adjacent oblique pull rod, the top of girder passes through the adaptor and links to each other with cell type section bar is fixed, many poles of embracing of fixedly connected with on the cell type section bar, the shaft tower passes through combined material and makes, combined material comprises reinforcing fiber and matrix material. The tower is mainly used for communication towers or electric power towers.
Description
Technical Field
The utility model belongs to shaft tower structure field especially relates to a lattice formula combined material shaft tower.
Background
The existing lattice type iron tower structure is widely applied to the industries of communication, electric power, telecommunication and the like. But the iron tower structure has certain hidden danger: the raw materials mainly comprise various steel plates and section steel, the weather resistance is poor, and the later maintenance cost is high; the iron tower structure needs to be welded, and the welding joint is easy to crack and has poor fatigue; the iron tower is made of isotropic materials, so that the designability is poor, and the self weight of the product is large; the lattice iron tower needs professional installation on site, and the operation cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the prior art, provide a lattice formula combined material shaft tower.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lattice formula combined material shaft tower, it includes base, girder, diagonal draw bar, drag link, adaptor, cell type section bar and embraces the pole, base quantity is a plurality ofly, a plurality of bases with the form distribution of angle point and with ground fixed connection, every equal fixedly connected with girder on the base, it is adjacent be connected with many diagonal draw bars and drag link between the girder, the drag link sets up between adjacent diagonal draw bar, the top of girder passes through the adaptor and links to each other with cell type section bar is fixed, many armful poles of fixedly connected with on the cell type section bar, the shaft tower passes through combined material and makes, combined material comprises reinforcing fiber and matrix material.
Further, the base is fixed on the ground through bolts, and the base is lined with metal.
Furthermore, the main beam comprises a left arm, a right arm and a cross arm, the upper ends of the left arm and the right arm are connected to form an included angle, the left arm and the right arm are connected through the cross arm, the left arm, the right arm and the cross arm are connected to form an A-shaped cross section, and the A-shaped cross section is formed in a pultrusion mode in the vertical direction of the A-shaped cross section.
Further, the cross arm is located at a lower free end 1/3 from the left and right arms.
Furthermore, the free ends of the lower parts of the left arm and the right arm are both circular, and the diameter of the circle is larger than the rectangular thickness of the left arm or the right arm.
Furthermore, circular grooves are formed in the connecting ends of the diagonal draw bars and the transverse draw bars, rectangular grooves are formed in the front ends of the circular grooves, the diagonal draw bars and the transverse draw bars are matched and connected with the free ends of the main beams through the circular grooves and the rectangular grooves, and the connecting positions are fixed through bolts.
Furthermore, the diagonal draw bars are in butt joint in a shape like a Chinese character 'ba'.
Furthermore, the groove-shaped profiles are connected through connecting rods.
Furthermore, an antenna is hung on the holding pole.
Still further, the reinforcing fibers comprise a carbon fiber fabric, a glass fiber fabric or a basalt fiber fabric, and the matrix material comprises an epoxy thermosetting resin, a polyester thermosetting resin or a phenolic thermosetting resin.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a current shaft tower bearing capacity poor problem. The utility model discloses overall structure makes things convenient for the construction, connects reliably, and the material weatherability is good. All the components can be continuously produced and processed in a modularized mode and assembled on a construction site, a self-locking structure is locally formed under the action of bolt fastening force in a connection mode of the main beam, the transverse pull rod and the diagonal pull rod, and the bearing capacity of the connection structure is enhanced by utilizing local extrusion force and composite material interlayer shear stress. The utility model is suitable for a communication tower, electric power tower or other combined material polygon turriform formula structures, every direction of this type of polygon structure all has equal bearing capacity, and product long service life, and intensity is high, and the shaping is convenient, and easily processing connects succinctly, and the weatherability is good. The utility model has good weather resistance and can be free of maintenance within 10 years; the composite material structure adopts mechanical and self-locking structure mixed connection, the connection reliability is strong, the composite material belongs to a transverse isotropic material, the structure designability is strong, the obvious weight reduction effect is achieved, all the parts are formed by sectional materials, the connection form is reliable, and the field installation is simple and rapid.
Drawings
Fig. 1 is a schematic structural view of a lattice-type composite tower according to the present invention;
fig. 2 is a schematic view of a connection structure of the base and the main beam according to the present invention;
fig. 3 is a schematic view of the connection structure of the main beam, the diagonal draw bar and the tie rod of the present invention;
fig. 4 is a schematic top view of a lattice composite tower according to the present invention;
fig. 5 is a schematic cross-sectional view of the main beam according to the present invention;
fig. 6 is a schematic view of the connection mode of the main beam, the diagonal draw bar and the tie rod according to the present invention;
fig. 7 is a schematic view of the base structure according to the present invention;
fig. 8 is a schematic structural view of the adaptor according to the present invention.
The method comprises the following steps of 1-a base, 2-a main beam, 3-diagonal draw bars, 4-transverse draw bars, 5-adapters, 6-groove type profiles, 7-round bars and 8-connecting bars.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention.
The embodiment is described with reference to fig. 1-8, which is a lattice composite tower, comprising a plurality of bases 1, main beams 2, diagonal rods 3, tie rods 4, adapters 5, groove-shaped profiles 6 and holding rods 7, wherein the bases 1 are distributed in the form of angular points and fixedly connected with the ground, each base 1 is fixedly connected with a main beam 2, a plurality of diagonal rods 3 and tie rods 4 are connected between the main beams 2, the tie rods 4 are arranged between the adjacent diagonal rods 3, the tops of the main beams 2 are fixedly connected with the groove-shaped profiles 6 through the adapters 5, a plurality of holding rods 7 are fixedly connected to the groove-shaped profiles 6, the tower is made of composite materials, and the composite materials are composed of reinforced fibers and base materials.
The lattice composite material tower in the embodiment is in a regular polygon shape, the number of polygon edges is more than or equal to 3, the reinforcing fibers comprise carbon fiber fabrics, glass fiber fabrics or basalt fiber fabrics, and the matrix material comprises epoxy thermosetting resin, polyester thermosetting resin or phenolic thermosetting resin. The base 1 is fixed on the ground through bolts, metal is lined in the base 1, and a main beam 2 of the tower is fixed on the base 1. The girder 2 comprises a left arm, a right arm and a cross arm, the upper ends of the left arm and the right arm are connected to form an included angle, the left arm and the right arm are connected through the cross arm, the left arm, the right arm and the cross arm are connected to form an A-shaped cross section, the A-shaped cross section is formed in a vertical direction through pultrusion, the free ends of the lower portions of the left arm and the right arm are circular, and the circular diameter is larger than the rectangular thickness of the left arm or the right arm. The circular diameter is greater than the rectangle thickness of left arm or right arm, and left arm and right arm lower part free end shape are passed through to circular by the rectangle, form transition region, cooperate through circular transition region and draw bar 3 and drag link 4 to be connected to one side. The A-shaped cross section formed by connecting the left arm, the right arm and the cross arm comprises an inner ring area, an outer ring area, a cross rod area and a cross area, wherein the inner ring area, the outer ring area and the cross rod area are all composed of two layers of composite materials, each layer of composite material in the inner ring area is wound along the circumference of an inner triangle, each layer of composite material in the outer ring area is wound along the circumference of the outer side of the A-shaped cross section, each layer of composite material in the cross rod area is wound along the circumference of the inner side of the A-shaped cross section, the surrounding areas of the inner ring area, the outer ring area and the cross rod area are the cross area, the cross area is filled with the composite materials, and interfaces of the two layers of. The included angle formed by the connecting ends of the left arm and the right arm is less than 180 degrees, the included angle is determined according to the overall structural shape in use, and if the number of the edges of the formed polygon is n, the included angle is (n-2) × 180/n. The structural stability is highest when the cross arm is located at the free end 1/3 from the lower portion of the left and right arms. Circular recess has all been seted up to the link of diagonal draw bar 3 and drag link 4, and rectangular recess has been seted up to circular recess front end, and diagonal draw bar 3 and drag link 4 link to each other through the free end cooperation of circular recess and rectangular recess with girder 2, and the junction passes through the bolt fastening. Due to the circular shape matching, the inclined pull rod 3 or the transverse pull rod 4 and the main beam 2 are locally extruded at the lower semicircle close to the opening, the bolt is positioned at the rectangular groove of the inclined pull rod 3 and the transverse pull rod 4, the diameter of the circular structure of the main beam 2 is larger than the width of the rectangular structure, and the stability of the structure is best when the diameter of the circular structure of the main beam 2 is equal to 1.5 times of the width of the rectangular structure. The diagonal draw bars 3 are in inverted V-shaped butt joint, the groove-shaped profiles 6 are connected through connecting rods 8, and antennas or other accessories are hung on the holding rods 7. The adaptor 5 comprises a V-shaped part and a straight-line-shaped part, the V-shaped part is attached to the main beam 2, the straight-line-shaped part is attached to the groove-shaped section bar 6, and the groove-shaped section bar is formed by adopting SMC or BMC grinding and pressing.
The lattice type composite material tower provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A lattice formula combined material shaft tower which characterized in that: it includes base (1), girder (2), diagonal member (3), drag link (4), adaptor (5), cell type section bar (6) and armful pole (7), base (1) quantity is a plurality of, a plurality of base (1) with the form distribution of angular point and with ground fixed connection, every equal fixedly connected with girder (2) on base (1), it is adjacent be connected with many diagonal member (3) and drag link (4) between girder (2), drag link (4) set up between adjacent diagonal member (3), the top of girder (2) is passed through adaptor (5) and is fixed continuous with cell type section bar (6), many pole (7) are embraced to fixedly connected with on cell type section bar (6), the shaft tower is made through combined material, combined material comprises reinforcing fiber and base member.
2. A lattice composite tower as claimed in claim 1 in which: the base (1) is fixed on the ground through bolts, and metal is lined in the base (1).
3. A lattice composite tower as claimed in claim 1 in which: the main beam (2) comprises a left arm, a right arm and a cross arm, the upper ends of the left arm and the right arm are connected to form an included angle, the left arm and the right arm are connected through the cross arm, the left arm, the right arm and the cross arm are connected to form an A-shaped cross section, and the A-shaped cross section is formed in a pultrusion mode in the vertical direction.
4. A lattice composite tower as claimed in claim 3 in which: the cross arm is located at a lower free end 1/3 from the left and right arms.
5. A lattice composite tower as claimed in claim 3 in which: the shape of the free end of the lower part of the left arm and the right arm is circular, and the circular diameter is larger than the rectangular thickness of the left arm or the right arm.
6. A lattice composite tower as claimed in claim 5 in which: circular grooves are formed in the connecting ends of the diagonal draw bars (3) and the transverse draw bars (4), rectangular grooves are formed in the front ends of the circular grooves, the diagonal draw bars (3) and the transverse draw bars (4) are matched and connected with the free ends of the main beams (2) through the circular grooves and the rectangular grooves, and the connecting portions are fixed through bolts.
7. A lattice composite tower as claimed in claim 1 in which: the diagonal draw bars (3) are in butt joint in a shape like a Chinese character 'ba'.
8. A lattice composite tower as claimed in claim 1 in which: the groove-shaped profiles (6) are connected through connecting rods (8).
9. A lattice composite tower as claimed in claim 1 in which: an antenna is suspended on the holding pole (7).
10. A lattice composite tower as claimed in any one of claims 1 to 9 in which: the reinforcing fibers comprise carbon fiber fabrics, glass fiber fabrics or basalt fiber fabrics, and the matrix material comprises epoxy thermosetting resin, polyester thermosetting resin or phenolic thermosetting resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265735.4U CN212224835U (en) | 2020-07-02 | 2020-07-02 | Lattice type composite material tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265735.4U CN212224835U (en) | 2020-07-02 | 2020-07-02 | Lattice type composite material tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212224835U true CN212224835U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021265735.4U Active CN212224835U (en) | 2020-07-02 | 2020-07-02 | Lattice type composite material tower |
Country Status (1)
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|---|---|
| CN (1) | CN212224835U (en) |
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2020
- 2020-07-02 CN CN202021265735.4U patent/CN212224835U/en active Active
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