CN215255048U - Cross arm that joint strength is high - Google Patents
Cross arm that joint strength is high Download PDFInfo
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- CN215255048U CN215255048U CN202121454366.8U CN202121454366U CN215255048U CN 215255048 U CN215255048 U CN 215255048U CN 202121454366 U CN202121454366 U CN 202121454366U CN 215255048 U CN215255048 U CN 215255048U
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- connecting piece
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Abstract
The utility model discloses a cross arm that joint strength is high, including the body of rod, connecting piece and main cross arm, the staple bolt is installed to the one end of the body of rod, and the both ends of staple bolt all articulate there is the pull rod, the connecting piece is installed on the top of the body of rod, the bolt is all installed to the both sides on connecting piece top, the inside both sides of connecting piece all are provided with limit structure, main cross arm is all installed at the both ends of connecting piece, first draw-in groove is all installed to the one end of main cross arm, the second draw-in groove is all installed to the top and the bottom of main cross arm one end, inferior cross arm is all installed to the other end of main cross arm, the spout is all installed to the inside top of the main cross arm other end and bottom. The utility model discloses an at the inferior cross arm of main cross arm one end installation, stimulate inferior cross arm, the connecting block drives the slider and slides along the direction of spout for spacing groove and the mutual block of stopper, alright fix the one end at main cross arm with inferior cross arm, thereby the length of multiplicable main cross arm reaches the purpose of adjusting.
Description
Technical Field
The utility model relates to a cross arm technical field, in particular to cross arm that joint strength is high.
Background
With the continuous development of economic level, the demand for the cross arm is also continuously increased, the cross arm is the angle iron used for supporting the overhead wire, is an important component in the pole tower, and the variety of the cross arm is various and can be divided into types such as a straight cross arm, a corner cross arm, a strain cross arm and the like.
The patent specification with the publication number of CN202000730U discloses a connecting structure of a tower cross arm seat and a cross arm, which comprises a tower, the cross arm seat, the cross arm and a plurality of bolts, wherein the tower and the cross arm seat are welded and fixed, the cross arm seat and the cross arm are fixedly connected through the bolts, and the bolts are arranged in an alternate triangle; the tower cross arm seat has the advantages that the tower cross arm seat can be ensured to have a good bearing stress state and an even stress effect when a cross arm is used for hanging wires, and stress concentration is avoided, so that the safety factor of bearing the cross arm seat is increased, and potential safety hazards are reduced.
The prior art scheme has the defects that the cross arm connection strength is poor, the cross arm is inconvenient to connect to a certain extent, the cross arm connection stability is reduced, and the potential safety hazard is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a cross arm that joint strength is high for solve the relatively poor defect of current cross arm joint strength.
(II) contents of utility model
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a cross arm that joint strength is high, includes the body of rod, connecting piece and main cross arm, the staple bolt is installed to the one end of the body of rod, and the both ends of staple bolt all articulate has the pull rod, the connecting piece is installed on the top of the body of rod, the bolt is all installed to the both sides on connecting piece top, the inside both sides of connecting piece all are provided with limit structure, main cross arm is all installed at the both ends of connecting piece, first draw-in groove is all installed to the one end of main cross arm, the second draw-in groove is all installed to the top and the bottom of main cross arm one end, inferior cross arm is all installed to the other end of main cross arm, the spout is all installed to the inside top of the main cross arm other end and bottom, and the inside one end of spout all is provided with the stopper.
Preferably, limit structure is including first fixture block, fixed block, expanding spring, second fixture block and buffer block, the fixed block is all installed in the inside both sides of connecting piece, first fixture block is all installed to one side of fixed block, expanding spring is all installed to the top and the bottom of fixed block one side, and expanding spring's one end all installs the second fixture block, the buffer block is all installed at the inside both ends of expanding spring.
Preferably, the second clamping blocks are symmetrically arranged, and the second clamping blocks and the second clamping grooves form a clamping structure.
Preferably, the one end of inferior cross arm all is provided with fixed knot and constructs, fixed knot constructs including spacing groove, connecting block and slider, the connecting block is all installed in the one end of inferior cross arm, the slider is all installed at the both ends of connecting block, and the spacing groove is all installed to the one end of slider.
Preferably, the outer diameter of the sliding block is smaller than the inner diameter of the sliding groove, and the sliding block and the sliding groove form a sliding structure.
Preferably, the inner sides of the main cross arm and the secondary cross arm are provided with reinforcing structures, each reinforcing structure comprises a cavity, a first reinforcing rib and a second reinforcing rib, the cavities are all arranged on the inner sides of the main cross arm and the secondary cross arm, the first reinforcing ribs are uniformly arranged inside the cavities, and the second reinforcing ribs are arranged at one ends of the first reinforcing ribs.
Preferably, the first reinforcing rib and the second reinforcing rib are both located in the same horizontal plane, and the first reinforcing rib and the second reinforcing rib form an interwoven structure.
(III) advantageous effects
The utility model provides a cross arm that joint strength is high, its advantage lies in:
(1) one end of the main cross arm is placed in the fixing block through the fixing blocks arranged on the two sides in the connecting piece, so that the first clamping block and the first clamping groove are clamped with each other, the second clamping block and the second clamping groove are clamped with each other, the stability of connection between the main cross arm and the connecting piece can be enhanced through double limiting of the main cross arm by the first clamping block and the second clamping block, and potential safety hazards can be reduced to a certain extent;
(2) the secondary cross arm is pulled through the secondary cross arm arranged at one end of the primary cross arm, the connecting block drives the sliding block to slide along the direction of the sliding groove, the limiting groove and the limiting block are clamped with each other, and the secondary cross arm can be fixed at one end of the primary cross arm, so that the length of the primary cross arm can be increased, and the purpose of adjustment is achieved;
(3) through the first strengthening rib at the inboard evenly mounted of main cross arm and secondary cross arm, under the interact of first strengthening rib and second strengthening rib, can strengthen the inside intensity of main cross arm and secondary cross arm, prevent that cracked phenomenon from appearing in the in-process of using of main cross arm and secondary cross arm, extension main cross arm and secondary cross arm life.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top perspective view of the main cross arm of the present invention;
fig. 3 is a schematic view of a partial structure of the limiting structure of the present invention;
fig. 4 is a schematic view of a partial top view of the fixing structure of the present invention;
fig. 5 is a schematic view of a local structure of the reinforcing structure of the present invention.
The reference numerals in the figures illustrate: 1. a secondary cross arm; 2. a limiting structure; 201. a first clamping block; 202. a fixed block; 203. a tension spring; 204. a second fixture block; 205. a buffer block; 3. a pull rod; 4. hooping; 5. a rod body; 6. a connecting member; 7. a first card slot; 8. a main cross arm; 9. a bolt; 10. a second card slot; 11. a fixed structure; 1101. a limiting groove; 1102. connecting blocks; 1103. a slider; 12. a limiting block; 13. a chute; 14. a reinforcing structure; 1401. a cavity; 1402. a first reinforcing rib; 1403. and a second reinforcing rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: a cross arm with high connection strength comprises a rod body 5, a connecting piece 6 and a main cross arm 8, wherein one end of the rod body 5 is provided with a hoop 4, two ends of the hoop 4 are both hinged with pull rods 3, the top end of the rod body 5 is provided with the connecting piece 6, two sides of the top end of the connecting piece 6 are both provided with bolts 9, two sides inside the connecting piece 6 are both provided with a limiting structure 2, the limiting structure 2 comprises a first fixture block 201, a fixed block 202, a telescopic spring 203, a second fixture block 204 and a buffer block 205, the fixed block 202 is both arranged on two sides inside the connecting piece 6, one side of the fixed block 202 is both provided with the first fixture block 201, the top end and the bottom end of one side of the fixed block 202 are both provided with the telescopic spring 203, one end of the telescopic spring 203 is both provided with the second fixture block 204, two ends inside the telescopic spring 203 are both provided with the buffer block 205, the second fixture block 204 is symmetrically arranged, and the second fixture block 204 and the second clamping groove 10 form a clamping structure, the limiting function is achieved;
the two ends of the connecting piece 6 are respectively provided with the main cross arm 8, one end of each main cross arm 8 is provided with the first clamping groove 7, the top and the bottom of one end of each main cross arm 8 are respectively provided with the second clamping grooves 10, one end of each main cross arm 8 is placed in the fixing block 202, so that the first clamping block 201 and the first clamping grooves 7 as well as the second clamping block 204 and the second clamping grooves 10 are clamped with each other, the main cross arm 8 is doubly limited by the first clamping block 201 and the second clamping block 204, the stability of connection between the main cross arm 8 and the connecting piece 6 can be enhanced, and potential safety hazards can be reduced to a certain extent;
the other end of the main cross arm 8 is provided with the secondary cross arm 1, the top and the bottom of the other end of the main cross arm 8 are provided with the sliding chutes 13, and the inner end of the sliding groove 13 is provided with a limiting block 12, one end of the secondary cross arm 1 is provided with a fixing structure 11, the fixing structure 11 comprises a limiting groove 1101, a connecting block 1102 and a sliding block 1103, the connecting block 1102 is arranged at one end of the secondary cross arm 1, the sliding blocks 1103 are arranged at two ends of the connecting block 1102, and one end of the sliding block 1103 is provided with a limiting groove 1101, the outer diameter of the sliding block 1103 is smaller than the inner diameter of the sliding chute 13, the sliding block 1103 and the sliding chute 13 form a sliding structure, so that the stability is enhanced, when the length of the main cross arm 8 is not enough to be adjusted, the sub cross arm 1 is pulled, the connecting block 1102 drives the sliding block 1103 to slide along the direction of the sliding groove 13, the limiting groove 1101 and the limiting block 12 are mutually clamped, so that the secondary cross arm 1 can be fixed at one end of the main cross arm 8, and the length of the main cross arm 8 can be increased;
the inner sides of the main cross arm 8 and the secondary cross arm 1 are both provided with a reinforcing structure 14, the reinforcing structure 14 comprises a cavity 1401, a first reinforcing rib 1402 and a second reinforcing rib 1403, the cavity 1401 is arranged at the inner sides of the main cross arm 8 and the secondary cross arm 1, the first reinforcing rib 1402 is uniformly arranged in the cavity 1401, and the second reinforcing ribs 1403 are mounted at one ends of the first reinforcing ribs 1402, the first reinforcing ribs 1402 and the second reinforcing ribs 1403 are located in the same horizontal plane, the first reinforcing ribs 1402 and the second reinforcing ribs 1403 form an interlaced structure, and by the first reinforcing ribs 1402 uniformly mounted on the inner sides of the main cross arm 8 and the sub cross arm 1, under the interaction of the first reinforcing rib 1402 and the second reinforcing rib 1403, the internal strength of the main cross arm 8 and the secondary cross arm 1 can be enhanced, the phenomenon that the main cross arm 8 and the secondary cross arm 1 are broken in the using process is prevented, and the service lives of the main cross arm 8 and the secondary cross arm 1 are prolonged.
The working principle is as follows: when the connecting device is used, firstly, one end of the main cross arm 8 is placed in the fixing block 202, so that the first clamping block 201 and the first clamping groove 7 as well as the second clamping block 204 and the second clamping groove 10 are clamped with each other, and the main cross arm 8 is limited by the first clamping block 201 and the second clamping block 204, so that the connecting stability between the main cross arm 8 and the connecting piece 6 can be enhanced, and potential safety hazards can be reduced to a certain extent;
secondly, the first reinforcing ribs 1402 uniformly arranged on the inner sides of the main cross arm 8 and the secondary cross arm 1 can enhance the internal strength of the main cross arm 8 and the secondary cross arm 1 under the interaction of the first reinforcing ribs 1402 and the second reinforcing ribs 1403, prevent the main cross arm 8 and the secondary cross arm 1 from being broken in the using process, and prolong the service life of the main cross arm 8 and the secondary cross arm 1;
finally, when the length of the main cross arm 8 is not enough to be adjusted, the sub cross arm 1 is pulled, the connecting block 1102 drives the sliding block 1103 to slide along the direction of the sliding groove 13, so that the limiting groove 1101 and the limiting block 12 are mutually clamped, the sub cross arm 1 can be fixed at one end of the main cross arm 8, and the length of the main cross arm 8 can be increased.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a cross arm that joint strength is high, includes the body of rod (5), connecting piece (6) and main cross arm (8), its characterized in that: one end of the rod body (5) is provided with an anchor ear (4), two ends of the anchor ear (4) are respectively hinged with a pull rod (3), and the top end of the rod body (5) is provided with a connecting piece (6);
bolts (9) are mounted on two sides of the top end of the connecting piece (6), limiting structures (2) are arranged on two sides of the interior of the connecting piece (6), and main cross arms (8) are mounted at two ends of the connecting piece (6);
first draw-in groove (7) are all installed to the one end of main cross arm (8), second draw-in groove (10) are all installed to the top and the bottom of main cross arm (8) one end, secondary cross arm (1) are all installed to the other end of main cross arm (8), spout (13) are all installed to the inside top and the bottom of main cross arm (8) other end, and spout (13) inside one end all is provided with stopper (12).
2. A high connection strength cross arm as claimed in claim 1, wherein: limiting structure (2) are including first fixture block (201), fixed block (202), expanding spring (203), second fixture block (204) and buffer block (205), the inside both sides in connecting piece (6) are all installed in fixed block (202), first fixture block (201) are all installed to one side of fixed block (202), expanding spring (203) are all installed to the top and the bottom of fixed block (202) one side, and the one end of expanding spring (203) all installs second fixture block (204), buffer block (205) are all installed at the inside both ends of expanding spring (203).
3. A high connection strength cross arm as claimed in claim 2, wherein: the second fixture blocks (204) are symmetrically arranged, and the second fixture blocks (204) and the second clamping grooves (10) form a clamping structure.
4. A high connection strength cross arm as claimed in claim 1, wherein: the one end of inferior cross arm (1) all is provided with fixed knot and constructs (11), fixed knot constructs (11) including spacing groove (1101), connecting block (1102) and slider (1103), the one end at inferior cross arm (1) is all installed in connecting block (1102), slider (1103) are all installed at the both ends of connecting block (1102), and spacing groove (1101) are all installed to the one end of slider (1103).
5. A cross arm with high connection strength as claimed in claim 4, wherein: the outer diameter of the sliding block (1103) is smaller than the inner diameter of the sliding groove (13), and the sliding block (1103) and the sliding groove (13) form a sliding structure.
6. A high connection strength cross arm as claimed in claim 1, wherein: the inner sides of the main cross arm (8) and the secondary cross arm (1) are provided with reinforcing structures (14), each reinforcing structure (14) comprises a cavity (1401), a first reinforcing rib (1402) and a second reinforcing rib (1403), the cavities (1401) are all installed on the inner sides of the main cross arm (8) and the secondary cross arm (1), the cavities (1401) are evenly provided with the first reinforcing ribs (1402), and one ends of the first reinforcing ribs (1402) are all provided with the second reinforcing ribs (1403).
7. A high connection strength cross arm as claimed in claim 6, wherein: the first reinforcing ribs (1402) and the second reinforcing ribs (1403) are located in the same horizontal plane, and the first reinforcing ribs (1402) and the second reinforcing ribs (1403) form an interwoven structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454366.8U CN215255048U (en) | 2021-06-29 | 2021-06-29 | Cross arm that joint strength is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454366.8U CN215255048U (en) | 2021-06-29 | 2021-06-29 | Cross arm that joint strength is high |
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| Publication Number | Publication Date |
|---|---|
| CN215255048U true CN215255048U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454366.8U Active CN215255048U (en) | 2021-06-29 | 2021-06-29 | Cross arm that joint strength is high |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
-
2021
- 2021-06-29 CN CN202121454366.8U patent/CN215255048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961402A (en) * | 2022-06-30 | 2022-08-30 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
| CN114961402B (en) * | 2022-06-30 | 2024-03-08 | 江苏华电铁塔制造有限公司 | Cross arm with adjustable electric power steel pipe tower is used |
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