CN210439763U - High strength strain insulator cross arm - Google Patents
High strength strain insulator cross arm Download PDFInfo
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- CN210439763U CN210439763U CN201921055124.4U CN201921055124U CN210439763U CN 210439763 U CN210439763 U CN 210439763U CN 201921055124 U CN201921055124 U CN 201921055124U CN 210439763 U CN210439763 U CN 210439763U
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- shaped reinforcing
- cross arm
- connecting rod
- reinforcement
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Abstract
The utility model provides a high-strength tension cross arm, which comprises a connecting rod, a first arc-shaped reinforcing part and a second arc-shaped reinforcing part; the middle part of the connecting rod is connected with the outer wall of the tower through a first hoop, the middle parts of the first arc-shaped reinforcing piece and the second arc-shaped reinforcing piece are respectively provided with a through hole matched with the connecting rod, and two ends of the first arc-shaped reinforcing piece and two ends of the second arc-shaped reinforcing piece are respectively fixedly connected to form a closed ring; the bottom of first arc reinforcement and second reinforcement is connected with the at least three pairs of strain insulator that the symmetry set up, and the strain insulator tip of first arc reinforcement bottom is connected with the left half of second staple bolt, and the strain insulator tip of second arc reinforcement bottom is connected with the right half of second staple bolt, and the left half of second staple bolt and the right half of second staple bolt hold tightly and connect on the outer wall of shaft tower, the utility model discloses it is more stable when making can realize fixing, and all have stronger effect of resisting to the ascending power in all directions to make overall structure be difficult for taking place to rock.
Description
Technical Field
The utility model relates to a cross arm, especially a high strength strain insulator cross arm.
Background
The cross arm is an important part in a transmission tower and is used for installing an insulating porcelain insulator and hardware fittings to support a conducting wire and a lightning conductor and keep a certain safety distance according to regulations, but the current tension cross arm is usually reinforced only by a tension resistant rib which forms a triangular shape, but only plays a certain reinforcing and supporting role in the vertical direction, and the force received by a fixing piece for supporting the cross arm in the external environment is possibly from the force in an uncertain direction caused by uncertain factors in the environment except the self gravity of the cross arm, so that the cross arm is not easy to shake in order to ensure the stable shape of the cross arm, and the cross arm is urgently required to be fixed and reinforced with higher strength.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high strength strain insulator cross arm for can realize more stable when fixed, and all have stronger effect of resisting to the ascending power in all directions, thereby make the difficult emergence of overall structure rock.
The utility model provides a following technical scheme:
a high-strength tension cross arm comprises a tower, wherein a plurality of cross arm bodies are arranged on the tower, and each cross arm body comprises a connecting rod, a first arc-shaped reinforcing piece and a second arc-shaped reinforcing piece; the middle part of the connecting rod is connected with the outer wall of the tower through a first hoop, and the left end and the right end of the top of the connecting rod are respectively provided with an angle steel; through holes matched with the connecting rods are formed in the middle parts of the first arc-shaped reinforcing part and the second arc-shaped reinforcing part, and two ends of the first arc-shaped reinforcing part and two ends of the second arc-shaped reinforcing part are fixedly connected with each other respectively to form a closed annular part; first arc reinforcement with the bottom of second reinforcement is connected with the at least three pairs of strain insulator that the symmetry set up, just the strain insulator tip of first arc reinforcement bottom is connected with the left half of second staple bolt, the strain insulator tip of second arc reinforcement bottom is connected with the right half of second staple bolt, just the left half of second staple bolt and the right half of second staple bolt hold tightly and connect on the outer wall of shaft tower.
Preferably, a rubber pad for buffering the connecting rod is adhered to the inner wall of the through hole.
Preferably, the end of the first arc-shaped reinforcing part is provided with a first connecting block, the end of the second arc-shaped reinforcing part is provided with a second connecting block, the first connecting block is internally provided with a cavity for inserting the second connecting block, and the first connecting block is fixedly connected with the second connecting block through a bolt.
Preferably, the included angles between the tension ribs and the connecting rods are all 45-60 degrees
Preferably, the included angle between the tension resistant bar and the connecting rod is 60.
Preferably, horizontal support plates are arranged at two ends of the tension rib, the first arc-shaped reinforcing part and the second arc-shaped reinforcing part are fixedly connected with the horizontal support plates through bolts, a support block matched with the horizontal support plates is arranged on the second hoop, and the support block is also connected with the horizontal support plates through bolts.
The utility model has the advantages that: through increasing first arc reinforcement and the second arc reinforcement that is used for firm connecting rod outside the connecting rod, and first arc reinforcement and the relative cooperation of second arc reinforcement are connected, and form a closed annular, and strain insulator muscle that it is connected with the second staple bolt through connecting in the bottom of first arc reinforcement and second arc reinforcement to can realize whole stability of whole cross arm structure and strengthen, make overall structure be difficult for taking place to rock.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
FIG. 2 is a top cross-sectional view of the first anchor ear connection;
FIG. 3 is a top cross-sectional view of the second anchor ear connection;
notation in the figure: 1 is the shaft tower, 2 is the connecting rod, and 3 is first arc reinforcement, and 4 is second arc reinforcement, and 5 is first staple bolt, and 6 are the angle steel, and 7 are strain insulator muscle, and 8 are the second staple bolt, and 9 are first connecting block, and 10 is the second connecting block.
Detailed Description
With reference to fig. 1 to 3, in this embodiment, the high-strength tension cross arm includes a tower 1, where the tower 1 is provided with a plurality of cross arm bodies, and each cross arm body includes a connecting rod 2, a first arc-shaped reinforcement 3, and a second arc-shaped reinforcement 4; the middle part of the connecting rod 2 is connected with the outer wall of the tower 1 through a first hoop 5, and the left end and the right end of the top of the connecting rod 2 are respectively provided with an angle steel 6; the middle parts of the first arc-shaped reinforcing part 3 and the second arc-shaped reinforcing part 4 are respectively provided with a through hole matched with the connecting rod 2, and the two ends of the first arc-shaped reinforcing part 3 and the second arc-shaped reinforcing part 4 are respectively fixedly connected to form a closed annular part; the bottom of first arc reinforcement 3 and second reinforcement is connected with three pairs of strain insulator 7 that the symmetry set up, and the strain insulator 7 end connection of 3 bottoms of first arc reinforcement has the left half of second staple bolt 8, and the strain insulator 7 end connection of 4 bottoms of second arc reinforcement has the right half of second staple bolt 8, and the left half of second staple bolt 8 and the right half of second staple bolt 8 hold tightly and connect on the outer wall of shaft tower 1.
The rubber pad that is used for buffering connecting rod 2 is stained with on the fenestrate inner wall to when first arc reinforcement 3 and second arc reinforcement 4 cover were established on connecting rod 2, not only can play certain effect that prevents it and rock to the connecting rod, also play certain trend of motion buffering effect to the connecting rod moreover, make to add the power of holding on first arc reinforcement 3 and second arc reinforcement 4 and can obtain weakening.
The tip of first arc reinforcement 3 is equipped with first connecting block 9, and the tip of second arc reinforcement 4 is equipped with second connecting block 10, and is equipped with in the first connecting block 9 and supplies second connecting block 10 male appearance chamber, and first connecting block 9 and second connecting block 10 pass through bolt fastening and link to each other.
The included angle between the tension resistant bar 7 and the connecting rod 2 is 60.
The both ends of strain insulator muscle 7 are equipped with horizontal support plate, link to each other through bolt fastening between first arc reinforcement 3 and second arc reinforcement 4 and the horizontal support plate, be equipped with on the second staple bolt 8 with horizontal support plate complex supporting shoe, also link to each other through the bolt between supporting shoe and the horizontal support plate, thereby realize strain insulator muscle 7 and first arc reinforcement 3, the dismantlement between second arc reinforcement 4 and the second staple bolt 8 is connected, thereby make things convenient for the maintenance and the change in later stage.
The utility model discloses a theory of operation is: through increasing first arc reinforcement 3 and second arc reinforcement 4 that are used for stabilizing connecting rod 2 outside the connecting rod, and first arc reinforcement 3 and second arc reinforcement 4 cooperate relatively to be connected, and form a closed annular, it connects strain insulator muscle 7 of being connected with second staple bolt 8 through the bottom at first arc reinforcement 3 and second arc reinforcement 4, thereby can realize whole stability of whole cross arm structure and strengthen, make overall structure be difficult for taking place to rock.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high-strength tension cross arm comprises a tower, wherein a plurality of cross arm bodies are arranged on the tower, and the high-strength tension cross arm is characterized in that each cross arm body comprises a connecting rod, a first arc-shaped reinforcing piece and a second arc-shaped reinforcing piece;
the middle part of the connecting rod is connected with the outer wall of the tower through a first hoop, and the left end and the right end of the top of the connecting rod are respectively provided with an angle steel;
through holes matched with the connecting rods are formed in the middle parts of the first arc-shaped reinforcing part and the second arc-shaped reinforcing part, and two ends of the first arc-shaped reinforcing part and two ends of the second arc-shaped reinforcing part are fixedly connected with each other respectively to form a closed annular part;
first arc reinforcement with the bottom of second arc reinforcement is connected with the at least three pairs of strain insulator muscle that the symmetry set up, just the strain insulator muscle tip of first arc reinforcement bottom is connected with the left half of second staple bolt, the strain insulator muscle tip of second arc reinforcement bottom is connected with the right half of second staple bolt, just the left half of second staple bolt and the right half of second staple bolt hold tightly to be connected on the outer wall of shaft tower.
2. The high-strength tension cross arm as claimed in claim 1, wherein a rubber pad for buffering the connecting rod is adhered to the inner wall of the through hole.
3. The high-strength tension cross arm according to claim 1, wherein a first connecting block is arranged at the end of the first arc-shaped reinforcing member, a second connecting block is arranged at the end of the second arc-shaped reinforcing member, a cavity for inserting the second connecting block is arranged in the first connecting block, and the first connecting block and the second connecting block are fixedly connected through a bolt.
4. The high-strength tension cross arm as claimed in claim 1, wherein the angle between the tension bar and the connecting rod is 45-60 °.
5. The high-strength tension cross arm as claimed in claim 4, wherein the included angle between the tension bar and the connecting rod is 60.
6. The high-strength tension cross arm according to claim 1, wherein horizontal support plates are disposed at two ends of the tension bar, the first arc-shaped reinforcing member and the second arc-shaped reinforcing member are fixedly connected with the horizontal support plates through bolts, a support block matched with the horizontal support plate is disposed on the second hoop, and the support block is connected with the horizontal support plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055124.4U CN210439763U (en) | 2019-07-03 | 2019-07-03 | High strength strain insulator cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055124.4U CN210439763U (en) | 2019-07-03 | 2019-07-03 | High strength strain insulator cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210439763U true CN210439763U (en) | 2020-05-01 |
Family
ID=70405047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921055124.4U Active CN210439763U (en) | 2019-07-03 | 2019-07-03 | High strength strain insulator cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210439763U (en) |
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2019
- 2019-07-03 CN CN201921055124.4U patent/CN210439763U/en active Active
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