CN210918436U - Strenghthened type cross arm device for power transmission line - Google Patents
Strenghthened type cross arm device for power transmission line Download PDFInfo
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- CN210918436U CN210918436U CN201921142868.XU CN201921142868U CN210918436U CN 210918436 U CN210918436 U CN 210918436U CN 201921142868 U CN201921142868 U CN 201921142868U CN 210918436 U CN210918436 U CN 210918436U
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- cross arm
- fixedly connected
- reinforcing
- auxiliary
- main cross
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Abstract
The utility model relates to the technical field of electric power, in particular to a reinforced cross arm device for transmission lines, which comprises a main cross arm, wherein corner parts of the inner wall of the main cross arm are fixedly connected with corner reinforcing ribs, both sides of the end surface of the main cross arm are fixedly provided with first mounting holes, the middle part of the upper side of the main cross arm is fixedly connected with a reinforcing piece, the front side of the reinforcing piece is uniformly provided with second mounting holes, triangular reinforcing blocks which are uniformly distributed are arranged on the front side of the reinforcing piece and are staggered with the second mounting holes, the front side of the reinforcing piece is fixedly connected with a reinforcing strip at the lower side of the triangular reinforcing block, the middle part of the back side of the main cross arm is fixedly connected with a first anchor ear, the left lower side of the front side of the main cross arm is fixedly connected with a first auxiliary cross arm, the right lower side of the main cross arm is fixedly connected with a second auxiliary cross arm together with, convenient operation, abundant functions, higher stability and practicability and certain popularization value.
Description
Technical Field
The utility model relates to the field of electric power technology, specifically be a strenghthened type cross arm device for power transmission line.
Background
The transmission line is divided into an overhead transmission line and a cable line, the overhead transmission line is composed of a line tower, a conducting wire, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like, the overhead transmission line is erected on the ground, the transmission line is divided into alternating current transmission and direct current transmission according to the property of transmission current, the maximum transmission power determined by the transmission line after comprehensively considering various factors such as technology, economy and the like is called the transmission capacity of the line, the protection of the transmission line is divided into a main protection part and a backup protection part, the cross arm is an important component part in the tower and is used for installing the insulator and the hardware fitting to support the conducting wire and the lightning conductor and keep a certain safety distance according to the regulation, so the strength requirement on the cross arm is higher, most of the existing cross arm is made of single angle steel, and the integral strength of the cross arm in the long, the reinforced cross arm device for the power transmission line cannot well play a supporting role, and the power transmission line is prone to failure, so that the problem is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strenghthened type cross arm device for power transmission line to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a reinforced cross arm device for a power transmission line comprises a main cross arm, wherein corner reinforcing ribs are fixedly connected to corners of the inner wall of the main cross arm, first mounting holes are fixedly formed in two sides of the end face of the main cross arm, a reinforcing piece is fixedly connected to the middle of the upper side of the main cross arm, second mounting holes are uniformly formed in the front of the reinforcing piece, triangular reinforcing blocks are uniformly distributed in the front of the reinforcing piece and staggered with the second mounting holes, reinforcing strips are fixedly connected to the front of the reinforcing piece and positioned on the lower sides of the triangular reinforcing blocks, a first hoop is fixedly connected to the middle of the back of the main cross arm, a first auxiliary cross arm is fixedly connected to the left lower side of the front of the main cross arm, a second auxiliary cross arm is fixedly connected to the right lower side of the main cross arm and fixedly connected with the first auxiliary cross arm, an auxiliary connecting block is fixedly connected to the left lower side of the main cross arm, and an auxiliary cross arm is fixedly connected to the, the upside fixedly connected with second staple bolt at the first pair of cross arm and the vice cross arm back of second, the downside fixedly connected with third staple bolt at the first pair of cross arm and the vice cross arm back of second.
Preferably, the reinforcing member has the same structure as the first sub cross arm, the second sub cross arm, and the auxiliary cross arm.
Preferably, four first mounting holes are uniformly formed in the first mounting hole.
Preferably, the triangular reinforcing block and the reinforcing bar are connected with the reinforcing piece in a welding mode, and the main cross arm, the reinforcing piece, the first auxiliary cross arm and the second auxiliary cross arm are connected with each other in a welding mode.
Preferably, the auxiliary connecting block is connected with the main cross arm and the first auxiliary cross arm through bolts.
Preferably, the first anchor ear, the second anchor ear and the third anchor ear are connected with the main cross arm, the first auxiliary cross arm and the second auxiliary cross arm respectively through bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, can strengthen the intensity of main cross arm edge through the corner strengthening rib that sets up, thereby avoid main cross arm corner to appear stress concentration's the condition, and then increase holistic holding power, and the bending strength of the multiplicable main cross arm of corner strengthening rib, the stiffener can be strengthened to the additional stiffener, the stiffener can be strengthened to the triangle boss and first pair cross arm, the holistic intensity of the vice cross arm of second, guarantee stiffener and first pair cross arm, the vice cross arm of second is difficult for appearing the condition of bending deformation in long-term use, can strengthen first pair cross arm simultaneously, the holding power of the vice cross arm of second to main cross arm, guarantee first pair cross arm, the vice cross arm of second can not appear the condition of extrusion deformation because of pressure is too big on the main cross arm.
2. The utility model discloses in, can strengthen the power of holding tightly between this strenghthened type cross arm and the shaft tower through the three staple bolt that sets up, avoid this strenghthened type cross arm gliding condition to appear on the shaft tower in long-term use, guarantee fixing on the shaft tower that this strenghthened type cross arm can stabilize, this device can strengthen overall structure's holding power, bending strength and can prevent that partial structure from appearing stress concentration's the condition, and then prolong holistic life to reduce cost's input.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a left side view of the whole body of the present invention;
fig. 4 is an overall plan view of the present invention.
In the figure: 1-main cross arm, 2-corner reinforcing rib, 3-first mounting hole, 4-reinforcing piece, 5-second mounting hole, 6-triangular reinforcing block, 7-reinforcing strip, 8-first hoop, 9-first auxiliary cross arm, 10-second auxiliary cross arm, 11-auxiliary connecting block, 12-auxiliary cross arm, 13-second hoop and 14-third hoop.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a reinforced cross arm device for a power transmission line comprises a main cross arm 1, corner reinforcing ribs 2 are fixedly connected at the corners of the inner wall of the main cross arm 1, the corner reinforcing ribs 2 can enhance the strength of the corners of the main cross arm 1, so that the stress concentration at the corners of the main cross arm 1 is avoided, the integral supporting force is further increased, the bending strength of the main cross arm 1 can be increased by the corner reinforcing ribs 2, first mounting holes 3 are fixedly formed in two sides of the end face of the main cross arm 1, a reinforcing piece 4 is fixedly connected at the middle of the upper side of the main cross arm 1, second mounting holes 5 are uniformly formed in the front of the reinforcing piece 4, triangular reinforcing blocks 6 which are uniformly distributed are arranged on the front of the reinforcing piece 4 in a staggered mode with the second mounting holes 5, reinforcing strips 7 are fixedly connected to the front of the reinforcing piece 4 and are positioned at the lower sides of the triangular reinforcing blocks 6, and first anchor ears 8 are fixedly connected at the, a first auxiliary cross arm 9 is fixedly connected to the left lower side of the front face of the main cross arm 1, a second auxiliary cross arm 10 is fixedly connected to the right lower side of the main cross arm 1 and the first auxiliary cross arm 9, the reinforcing bar 7 and the triangular reinforcing block 6 can enhance the integral strength of the reinforcing member 4 and the first and second auxiliary cross arms 9 and 10, ensure that the reinforcing member 4 and the first and second auxiliary cross arms 9 and 10 are not easy to bend and deform in the long-term use process, simultaneously can enhance the supporting force of the first and second auxiliary cross arms 9 and 10 on the main cross arm 1, ensure that the first and second auxiliary cross arms 9 and 10 are not extruded and deformed due to the overlarge pressure on the main cross arm 1, an auxiliary connecting block 11 is fixedly connected to the left lower side of the main cross arm 1, an auxiliary cross arm 12 is fixedly connected to the right lower side of the auxiliary connecting block 11, and a second anchor ear 13 is fixedly connected to the upper sides of the back faces of the first and second auxiliary cross arms 9 and 10, the downside fixedly connected with third staple bolt 14 at the first vice cross arm 9 and the vice cross arm 10 back of second, three staple bolt can strengthen the power of holding tightly between this strenghthened type cross arm and the shaft tower, avoids this strenghthened type cross arm gliding condition to appear on the shaft tower in long-term use, guarantees fixing on the shaft tower that this strenghthened type cross arm can stabilize.
The utility model discloses work flow: when in use, insulators, electric wire installation seats and the like are installed on the main cross arm 1 and the reinforcing part 4, then the reinforced cross arm is fixed at corresponding positions on a tower through the first hoop 8, the second hoop 13 and the third hoop 14, then the electric transmission line is installed at corresponding positions and on the reinforced cross arm device for the electric transmission line, in the using process, the corner reinforcing ribs 2 can enhance the strength of the corners of the main cross arm 1, so that the situation of stress concentration at the corners of the main cross arm 1 is avoided, the integral supporting force is further increased, the bending strength of the main cross arm 1 can be increased by the corner reinforcing ribs 2, in addition, the reinforcing strips 7 and the triangular reinforcing blocks 6 can enhance the integral strength of the reinforcing part 4, the first auxiliary cross arm 9 and the second auxiliary cross arm 10, the situation that the reinforcing part 4, the first auxiliary cross arm 9 and the second auxiliary cross arm 10 are not easy to bend and deform in the long-term use process is ensured, can strengthen first pair cross arm 9 simultaneously, the supporting force of the vice cross arm 10 of second to main cross arm 1, guarantee first pair cross arm 9, the vice cross arm 10 of second can not be because of the too big condition that appears extrusion deformation of main cross arm 1 upper pressure, three staple bolt can strengthen the power of holding tightly between this strenghthened type cross arm and the shaft tower, avoid this strenghthened type cross arm to appear gliding condition in long-term use on the shaft tower, guarantee that this strenghthened type cross arm can stabilize fix on the shaft tower, wholly this device can strengthen overall structure's supporting force, bending strength just can prevent the partial condition that structural stress concentration appears, and then prolong holistic life, thereby reduce cost's input.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a strenghthened type cross arm device for transmission line, includes main cross arm (1), its characterized in that: the corner of the inner wall of the main cross arm (1) is fixedly connected with a corner reinforcing rib (2), two sides of the end face of the main cross arm (1) are fixedly provided with first mounting holes (3), the middle of the upper side of the main cross arm (1) is fixedly connected with a reinforcing piece (4), the front of the reinforcing piece (4) is uniformly provided with second mounting holes (5), the front of the reinforcing piece (4) and the second mounting holes (5) are alternately provided with uniformly distributed triangular reinforcing blocks (6), the front of the reinforcing piece (4) and the lower side of each triangular reinforcing block (6) are fixedly connected with a reinforcing strip (7), the middle of the back of the main cross arm (1) is fixedly connected with a first hoop (8), the left lower side of the front of the main cross arm (1) is fixedly connected with a first cross arm (9), the right lower side of the main cross arm (1) and a second auxiliary cross arm (10) fixedly connected with the first auxiliary cross arm (9), the left lower side fixedly connected with auxiliary connecting block (11) of main cross arm (1), the right lower side fixedly connected with auxiliary cross arm (12) of auxiliary connecting block (11), upside fixedly connected with second staple bolt (13) at the back of first pair of cross arm (9) and the vice cross arm of second (10), downside fixedly connected with third staple bolt (14) at the back of first pair of cross arm (9) and the vice cross arm of second (10).
2. The reinforced cross arm device for the transmission line of claim 1, wherein: the reinforcing piece (4) has the same structure as the first auxiliary cross arm (9), the second auxiliary cross arm (10) and the auxiliary cross arm (12).
3. The reinforced cross arm device for the transmission line of claim 1, wherein: four first mounting holes (3) are uniformly formed.
4. The reinforced cross arm device for the transmission line of claim 1, wherein: the triangular reinforcing block (6) and the reinforcing strip (7) are connected with the reinforcing piece (4) in a welding mode, and the main cross arm (1), the reinforcing piece (4), the first auxiliary cross arm (9) and the second auxiliary cross arm (10) are connected in a welding mode.
5. The reinforced cross arm device for the transmission line of claim 1, wherein: the auxiliary connecting block (11) is connected with the main cross arm (1) and the first auxiliary cross arm (9) through bolts.
6. The reinforced cross arm device for the transmission line of claim 1, wherein: first staple bolt (8), second staple bolt (13), third staple bolt (14) all are connected with main cross arm (1), first vice cross arm (9), the vice cross arm of second (10) respectively through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921142868.XU CN210918436U (en) | 2019-07-20 | 2019-07-20 | Strenghthened type cross arm device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921142868.XU CN210918436U (en) | 2019-07-20 | 2019-07-20 | Strenghthened type cross arm device for power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN210918436U true CN210918436U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921142868.XU Active CN210918436U (en) | 2019-07-20 | 2019-07-20 | Strenghthened type cross arm device for power transmission line |
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| CN (1) | CN210918436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909014A (en) * | 2022-05-27 | 2022-08-16 | 中国电力工程顾问集团西南电力设计院有限公司 | Branch strain tower of alternating current-direct current hybrid power transmission line |
-
2019
- 2019-07-20 CN CN201921142868.XU patent/CN210918436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909014A (en) * | 2022-05-27 | 2022-08-16 | 中国电力工程顾问集团西南电力设计院有限公司 | Branch strain tower of alternating current-direct current hybrid power transmission line |
| CN114909014B (en) * | 2022-05-27 | 2024-04-05 | 中国电力工程顾问集团西南电力设计院有限公司 | Branch strain tower of alternating current-direct current hybrid transmission line |
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