CN214835021U - Single angle steel T type cross-section anchor clamps type reinforcing apparatus - Google Patents
Single angle steel T type cross-section anchor clamps type reinforcing apparatus Download PDFInfo
- Publication number
- CN214835021U CN214835021U CN202120177683.3U CN202120177683U CN214835021U CN 214835021 U CN214835021 U CN 214835021U CN 202120177683 U CN202120177683 U CN 202120177683U CN 214835021 U CN214835021 U CN 214835021U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- short
- reinforcing
- original
- limb
- 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.)
- Active
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a single angle steel T type cross-section anchor clamps type reinforcing apparatus. The steel plate comprises reinforcing angle steel and a connecting clamp; the reinforcing angle steel is attached to one limb of the original angle steel in a back mode and forms a T-shaped section together with the original angle steel; the original angle steel is tightly connected with the reinforcing angle steel through a connecting clamp; the connecting clamp comprises a first short angle steel, a second short angle steel and an outer flitch; the first short angle steel is positioned between two limbs of the reinforcing angle steel, and the second short angle steel is positioned between two limbs of the original angle steel; the external attachment plate is tightly attached to a T-shaped section flange formed by the original angle steel and the reinforced angle steel; the first short angle steel is connected with the second short angle steel, the first short angle steel is connected with the reinforcing angle steel and the outer flitch, and the second short angle steel is connected with the outer flitch through bolts; the short angle steel stiffening plates are respectively arranged on the first short angle steel and the second short angle steel; the outer flitch is provided with an outer flitch stiffening plate. The utility model has the advantages of construction convenience, the reliability is high, and does not harm the primary structure, can effectively improve the stable bearing capacity of former component.
Description
Technical Field
The utility model relates to a transmission line iron tower consolidates technical field, and the more specifically it is a single angle steel T type cross-section anchor clamps type reinforcing apparatus that says so.
Background
With the development of power grid construction in China, a power transmission line is gradually built in a maintenance and management transition stage of an in-service line from large-scale building, and a pole tower is used as an important support structure of the power transmission line, so that the safety and health condition in the whole life cycle are particularly important. The transmission tower and the foundation are generally in the open air environment and are influenced by natural environment and external force factors, the structure bears the action of alternating repeated dynamic load, the phenomena of performance weakening or degradation are caused by abrasion, deformation, external force damage, environmental corrosion and the like of the rod piece, the damage of a tower structure system is easily caused, tower collapse accidents are aggravated, and great challenges are brought to the long-term safe operation of the transmission line. Therefore, the demand for upgrading and transforming the in-service transmission line is increasingly vigorous, and the research on the tower reinforcement technology is an important new subject of the transmission line industry.
In the existing power transmission line transformation project, the pole tower needs to be reinforced and reinforced properly, the designed use function and bearing capacity can be completely or partially recovered, otherwise, the pole tower cannot be in service normally. The currently common reinforcing or reinforcing methods mainly include the following 3 types: (1) directly removing the original component and replacing the new component; (2) the tower is reinforced under the condition of limited load (namely under the condition of partial unloading); (3) reinforcing in a charged state; the (1) th and (2) th modes need power failure construction, the construction period is short, the cost is high, economic and social influences caused by power failure are relatively large, and the coordination difficulty of engineering implementation is undoubtedly multiplied. The obvious difference between the transmission line tower and common industrial and civil building structures is that once the line is put into operation, the transmission line tower basically operates under a long-term charged load, and is difficult to be repaired by power failure and unloading at any time except for temporary power failure in a specific maintenance window period. Therefore, the mode (3) can be widely applied to various maintenance and reinforcement of power transmission line with power failure and non-power failure.
In addition, the existing load state reinforcing method usually needs to adopt a high-altitude hole making or welding process, so that the construction implementation difficulty and the safety risk are high; secondly, certain disturbance is inevitably caused to the original component, and the safety is difficult to measure. Therefore, it is necessary to develop a tower reinforcing device which is convenient to construct, high in reliability and free of damage to the original structure.
Disclosure of Invention
The utility model aims at providing a single angle steel T-shaped cross section fixture type reinforcing device, the whole structure adopts bolt connection, the construction is convenient, the reliability is high, and the original structure is not damaged, and the device is suitable for various maintenance reinforcing scenes of power failure and non-power failure of a power transmission line; the defects of high construction difficulty and high safety risk of the prior art load state reinforcing method are overcome.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a single angle steel T type cross section anchor clamps type reinforcing apparatus which characterized in that: the steel plate comprises reinforcing angle steel and a connecting clamp;
the reinforcing angle steel is attached to one limb of the original angle steel in a back mode and forms a T-shaped section together with the original angle steel;
the original angle steel is tightly connected with the reinforcing angle steel through a connecting clamp; the connecting clamp comprises a first short angle steel, a second short angle steel and an outer flitch; the first short angle steel is positioned between two limbs of the reinforcing angle steel, and the second short angle steel is positioned between two limbs of the original angle steel; the external attachment plate is tightly attached to a T-shaped section flange formed by the original angle steel and the reinforced angle steel; the first short angle steel is connected with the second short angle steel, the first short angle steel is connected with the reinforcing angle steel and the outer flitch, and the second short angle steel is connected with the outer flitch through bolts; the short angle steel stiffening plates are respectively arranged on the first short angle steel and the second short angle steel; the outer flitch is provided with an outer flitch stiffening plate;
the connecting clamp is provided with a plurality of connecting clamps; the center distance of the connecting clamps is less than or equal to 40 times of the minimum shaft turning radius of the original angle steel.
In the technical scheme, the original angle steel and the reinforced angle steel have the same specification.
In the technical scheme, the length of each limb of the first short angle steel is greater than that of each limb of the reinforcing angle steel, and each limb is provided with a plurality of bolt holes;
the length of each limb of the second short angle steel is greater than that of each limb of the reinforcing angle steel, and each limb is provided with a plurality of bolt holes;
the length of the external attachment plate is greater than the sum of the lengths of the original angle steel and the reinforcing angle steel, and a plurality of bolt holes are formed in the external attachment plate;
and a bolt hole is formed in one limb of the reinforced angle steel, which is far away from the original angle steel.
In the above technical scheme, the bolt is a double-cap bolt.
The beneficial effects of the utility model reside in that:
firstly, the original angle steel only needs one outer surface for the reinforced angle steel to be attached to, and basically all single angle steel components on the power transmission tower can meet the requirement, so that the application range is wide; the reinforcing angle steel back of the utility model is pasted on one limb of the original angle steel, namely the reinforcing angle steel is contacted with the original angle steel and is directly connected through the connecting clamp, the connecting effect is good, the number of connecting plates is reduced, the use cost is reduced, and the operation is simple and convenient; the utility model provides a reinforcement angle steel, former angle steel and coupling fixture are the face and connect, and it is big to connect area of contact, and the fastening is effectual.
Secondly, the length of the reinforcing angle steel can be designed individually according to engineering requirements, and the application is flexible.
And thirdly, the connecting clamp consists of inner-wrapped short angle steel and an outer flitch, the connecting rigidity of the joint of the clamp is high, and the connecting reliability is high.
Fourthly, bolted connection is adopted to whole structure, need not on-the-spot system hole or welding, to former angle steel not damaged, and the construction is convenient, can effectively improve the stable bearing capacity of former component, is applicable to the reinforcement (for example, main material on the power transmission tower, material to one side etc.) of all kinds of single angle steel components on the power transmission tower.
The utility model relates to a can extensively be applicable to the power transmission line and have a power failure and the non-various maintenance reinforcement scene that has a power failure at the harmless reinforcing apparatus of stage shaft tower structural component in labour.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is an enlarged view of fig. 1 at G.
Fig. 3 is a sectional view taken along line a-a of fig. 1.
Fig. 4 is a sectional view taken along line B-B of fig. 1.
In fig. 1, C denotes a non-reinforced section; d represents a reinforcement segment.
In the figure, 1-original angle steel, 2-reinforced angle steel, 3-first short angle steel, 4-second short angle steel, 5-external flitch, 6-bolt, 7-connecting clamp, 8-short angle steel stiffening plate, 9-external flitch stiffening plate and 10-bolt hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
The utility model discloses a theory of operation lies in: the reinforcement angle steel and the original angle steel are fastened through the connecting clamp, under the action of pressure load, the reinforcement angle steel and the original angle steel realize cooperative stress and deformation under the action of contact pressure and frictional resistance generated by a contact surface, and therefore stable bearing capacity of the original angle steel is improved.
With reference to the accompanying drawings: a single angle steel T-shaped section clamp type reinforcing device comprises a reinforcing angle steel 2 and a connecting clamp 7;
the reinforcing angle steel 2 is attached to one limb of the original angle steel 1 in a back manner and forms a T-shaped section with the original angle steel 1, and the reinforcing angle steel 2 and the original angle steel 1 are symmetrically arranged (as shown in figures 1, 3 and 4); the original angle steel 1 only needs one outer surface for the reinforcing angle steel to be attached to, and basically all single angle steel components on the power transmission tower can meet the requirement, so that the application range is wide;
the original angle steel 1 and the reinforced angle steel 2 are tightly connected through a connecting clamp 7; the connecting clamp 7 comprises a first short angle steel 3, a second short angle steel 4 and an outer flitch 5; the connecting clamp 7 comprises inner-wrapped short angle steel (namely a first short angle steel 3 and a second short angle steel 4) and an outer flitch (shown in figures 1 and 3), and the connecting rigidity of the joint of the connecting clamp 7 is high, so that the connecting reliability is high; the first short angle steel 3 is positioned between two limbs of the reinforcing angle steel 2, and the second short angle steel 4 is positioned between two limbs of the original angle steel 1 (as shown in figure 3); the external attachment plate 5 is tightly attached to a T-shaped section flange formed by the original angle steel 1 and the reinforcing angle steel 2; the first short angle steel 3 is connected with the second short angle steel 4, the first short angle steel 3 is connected with the reinforcing angle steel 2 and the outer flitch 5, and the second short angle steel 4 is connected with the outer flitch 5 through bolts 6 (as shown in fig. 1, 2 and 3); the whole structure is connected by bolts, on-site hole making or welding is not needed, the original angle steel is not damaged, and the construction is convenient; the short angle steel stiffening plates 8 are respectively arranged on the first short angle steel 3 and the second short angle steel 4 so as to enhance the section rigidity of the short angle steel; an outer flitch stiffening plate 9 is arranged on the outer flitch 5 to enhance the plane external rigidity of the outer flitch 5;
at least two connecting clamps 7 are arranged; the center distance of the connecting clamps 7 is not more than 40 times of the minimum shaft turning radius (shown in figure 1) of the original angle steel 1, so that the fastening effect between the reinforced angle steel 2 and the original angle steel 1 is ensured.
Furthermore, the original angle steel 1 and the reinforced angle steel 2 have the same specification; the reinforcing angle steel 2 is hot-rolled equilateral angle steel or inequilateral angle steel, the specification and the length dimension of the reinforcing angle steel can be calculated and determined according to specific engineering requirements, and the flexibility and the diversity of the reinforcing bearing performance are realized by adopting a flexible design mode; the specification of the reinforced angle steel 2 can be consistent with that of the original angle steel, but the length of the reinforced angle steel 2 is determined by calculation.
Further, the limb widths of the first short angle steel 3 and the second short angle steel 4 can be determined according to the construction requirements of bolt arrangement; the first short angle steel 3 and the second short angle steel 4 have the same specification and size (as shown in fig. 1 and 3);
each limb length of the first short angle steel 3 is larger than that of the reinforcing angle steel 2, and each limb is provided with at least two bolt holes 10;
the length of each limb of the second short angle steel 4 is greater than that of each limb of the reinforcing angle steel 2, and each limb is provided with at least two bolt holes 10;
the length of the external attachment plate 5 is greater than the sum of the lengths of the original angle steel 1 and the reinforcing angle steel 2, and a plurality of bolt holes 10 are formed in the external attachment plate 5;
a bolt hole 10 is formed in one limb of the reinforcing angle steel 2, which is far away from the original angle steel 1; the bolt 6 sequentially penetrates through bolt holes 10 in the outer flitch 5, the reinforcing angle steel 2 and the first short angle steel 3, and is fixedly connected with the outer flitch 5, the reinforcing angle steel 2 and the first short angle steel 3;
the bolt 6 sequentially passes through bolt holes 10 on the first short angle steel 3 and the second short angle steel 4 and is fixedly connected with the first short angle steel 3 and the second short angle steel 4;
the bolts 6 sequentially pass through bolt holes 10 on the second short angle iron 4 and the outer flitch 5 to fixedly connect the second short angle iron 4 and the outer flitch 5 (as shown in fig. 1 and 3).
Further, the bolt 6 in the attaching jig 7 is a double cap bolt (shown in fig. 3) for preventing looseness.
Examples
As shown in fig. 1, in the present embodiment, the structure of the original angle steel 1 after being reinforced by the single angle steel T-shaped section fixture type reinforcing device is divided into a reinforcing section and a non-reinforcing section, and the length of the reinforcing section can be designed according to specific engineering requirements without being consistent with the length of the original angle steel.
As shown in fig. 1 to 4, the reinforcement angle 2 is attached to one limb of the original angle 1, so that the section of the reinforcement section is changed into a T-shaped section. The original angle steel 1 and the reinforced angle steel 2 are in the same specification and fastened through the connecting clamp 7, and the original angle steel 1 and the reinforced angle steel 2 are stressed and deformed cooperatively.
The connecting clamp 7 comprises a first short angle steel 3, a second short angle steel 4, an outer flitch 5 and a connecting bolt 6. The pair of connecting clamps 7 is connected with three positions of the T-shaped section (namely the T-shaped section formed by attaching the reinforcing angle steel 2 to one limb of the original angle steel 1), and the three positions are respectively as follows: the second short angle steel 4 is connected with the outer flitch 5, the reinforcing angle steel 2 and the first short angle steel 3 are respectively connected with the outer flitch 5, and the first short angle steel 3 is connected with the second short angle steel 4; the number of bolts connected at each position is at least 2.
The first short angle steel 3 and the second short angle steel 4 adopt the same specification and size, and the specification and size can be determined by the construction requirement of bolt arrangement.
The connecting clamps 7 are uniformly arranged along the reinforcing section, the number of the connecting clamps is more than or equal to 2, and the center distance among the connecting clamps 7 is not more than 40 times of the minimum shaft turning radius of the original angle steel 1.
Short angle steel stiffening plates 8 are arranged on the first short angle steel 3 and the second short angle steel 4; the outer flitch 5 is provided with an outer flitch stiffening plate 9; the connecting bolt 6 adopts a double-cap bolt for preventing looseness.
Other parts not described belong to the prior art.
Claims (4)
1. The utility model provides a single angle steel T type cross section anchor clamps type reinforcing apparatus which characterized in that: comprises a reinforcing angle steel (2) and a connecting clamp (7);
the back of the reinforced angle steel (2) is attached to one limb of the original angle steel (1) and forms a T-shaped section with the original angle steel (1);
the original angle steel (1) is tightly connected with the reinforced angle steel (2) through a connecting clamp (7); the connecting clamp (7) comprises a first short angle steel (3), a second short angle steel (4) and an outer flitch (5); the first short angle steel (3) is positioned between two limbs of the reinforcing angle steel (2), and the second short angle steel (4) is positioned between two limbs of the original angle steel (1); the external pasting plate (5) is tightly pasted on a T-shaped section flange formed by the original angle steel (1) and the reinforcing angle steel (2); the first short angle steel (3) is connected with the second short angle steel (4), the first short angle steel (3) is connected with the reinforcing angle steel (2) and the outer flitch (5), and the second short angle steel (4) is connected with the outer flitch (5) through bolts (6); the short angle steel stiffening plates (8) are respectively arranged on the first short angle steel (3) and the second short angle steel (4); an outer flitch stiffening plate (9) is arranged on the outer flitch (5);
a plurality of connecting clamps (7) are provided; the center distance of the connecting clamps (7) is less than or equal to 40 times of the minimum shaft turning radius of the original angle steel (1).
2. The single angle steel T-section clamp type reinforcement device of claim 1, characterized in that: the original angle steel (1) and the reinforced angle steel (2) have the same specification.
3. The single angle steel T-section clamp type reinforcement device of claim 2, characterized in that: the length of each limb of the first short angle steel (3) is greater than that of each limb of the reinforcing angle steel (2), and each limb is provided with a plurality of bolt holes (10);
the length of each limb of the second short angle steel (4) is greater than that of each limb of the reinforcing angle steel (2), and each limb is provided with a plurality of bolt holes (10);
the length of the external attachment plate (5) is greater than the sum of the lengths of the original angle steel (1) and the reinforcing angle steel (2), and a plurality of bolt holes (10) are formed in the external attachment plate (5);
a bolt hole (10) is arranged on one limb of the reinforcing angle steel (2) far away from the original angle steel (1).
4. The single angle steel T-section clamp type reinforcement device of claim 3, characterized in that: the bolt (6) is a double-cap bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177683.3U CN214835021U (en) | 2021-01-22 | 2021-01-22 | Single angle steel T type cross-section anchor clamps type reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177683.3U CN214835021U (en) | 2021-01-22 | 2021-01-22 | Single angle steel T type cross-section anchor clamps type reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214835021U true CN214835021U (en) | 2021-11-23 |
Family
ID=78954959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120177683.3U Active CN214835021U (en) | 2021-01-22 | 2021-01-22 | Single angle steel T type cross-section anchor clamps type reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214835021U (en) |
-
2021
- 2021-01-22 CN CN202120177683.3U patent/CN214835021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215803422U (en) | Cross-shaped cross-section fixture type reinforcing device for main material of single angle steel | |
| CN105525686A (en) | Structure for connecting prefabricated concrete composite floor slab with H-shaped steel beam through bolts | |
| CN107806273B (en) | Be applied to assembled node of individual layer steel construction cooling tower | |
| CN113529947A (en) | Detachable and reusable full-bolt-pin-shaft-connected steel-structure beam column node | |
| CN112900626A (en) | Beam-column joint structure of fabricated building and construction method thereof | |
| CN110670937B (en) | Interval reinforcing device and method for service power transmission tower | |
| CN214835021U (en) | Single angle steel T type cross-section anchor clamps type reinforcing apparatus | |
| CN210887282U (en) | Steel grating ring type wind power tower foundation ring facility | |
| CN212177329U (en) | Wind power tower body/tower section reinforcing structure | |
| CN205153145U (en) | Adopt precast concrete coincide floor of bolt and connection structure of H shaped steel roof beam | |
| CN114165098B (en) | Transmission tower angle steel reinforcing apparatus based on buckling restrained energy dissipation | |
| CN115012521B (en) | Assembled node with self-resetting function and installation method | |
| CN108265826B (en) | Steel plate reinforced type square steel pipe column and K-shaped steel support connecting node | |
| CN113833344B (en) | Prevent buckling and turn round transmission tower reinforcing apparatus of unstability | |
| CN109520838B (en) | Tensile property test device for shield tunnel bolt joint | |
| CN209820937U (en) | Shield tunnel bolted joint tensile property test device | |
| CN214383962U (en) | Flexural steel member capable of preventing fatigue brittle failure | |
| CN113789973A (en) | Bolt pressure-bearing encircling type steel angle reinforcing and correcting device for power transmission tower | |
| CN213360314U (en) | Connecting device for tower barrel and truss tower of wind turbine generator system | |
| CN219952787U (en) | Device for preventing lateral instability in installation process of single steel truss | |
| CN218952439U (en) | Rod piece reinforcing device of grid structure | |
| CN110565680A (en) | Steel grating ring type wind power tower foundation ring facility and construction method | |
| CN112502908B (en) | Connection node suitable for offshore wind power tower structure and installation method | |
| CN220036842U (en) | Kuppe steelframe strutting arrangement and wind turbine generator system | |
| CN214464681U (en) | Connecting node suitable for offshore wind power tower cylinder structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |