CN104963543A - Cross arm for electric power circuit - Google Patents
Cross arm for electric power circuit Download PDFInfo
- Publication number
- CN104963543A CN104963543A CN201510369674.3A CN201510369674A CN104963543A CN 104963543 A CN104963543 A CN 104963543A CN 201510369674 A CN201510369674 A CN 201510369674A CN 104963543 A CN104963543 A CN 104963543A
- Authority
- CN
- China
- Prior art keywords
- arm
- power circuit
- cross arm
- transverse
- snap ring
- 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.)
- Pending
Links
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 244000080575 Oxalis tetraphylla Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides a cross arm for an electric power circuit. According to the technical scheme, the cross arm comprises two cross arm bodies fixed to a tower. The two ends of the two cross arm bodies are fixedly provided with two longitudinal arm bodies. The cross arm is characterized in that the inner sides of the two cross arm bodies are each provided with a first clamping ring matched with the tower, the cross arm further comprises second clamping rings matched with the tower and located below the cross arm bodies and the longitudinal arm bodies, the bottoms of the two longitudinal arm bodies are each hinged to a pull rod, and the other ends of the pull rods are in sliding connection with the second clamping rings. By adjusting the cross arm, the cross arm is in the balanced state and can be firmly fixed to the tower, maintenance is performed by workers conveniently, and the electric leakage accident caused by the cross arm is reduced.
Description
Technical field
What the present invention relates to is a kind of power circuit cross-arm.
Background technology
Cross-arm is ingredient important in shaft tower, and its effect is installing insulating and gold utensil, lightning conducter, and makes it to keep certain safe distance by regulation.During installation, be generally be fixed on shaft tower by " U " type anchor ear or bolt by cross-arm, because shaft tower is cylindrical, the contact surface of cross-arm and shaft tower is straight line, contact area is little, only relies on the coupling mechanism force of " U " type anchor ear or bolt cannot realize reliably fixing of cross-arm and shaft tower, in addition, in use, insulator on shaft tower and multiple gold utensil parts can increase the heavy burden of cross-arm on the one hand, on the other hand, because wire is suspended on the lower end of insulator, wire can produce certain pulling force to insulator, after Long-Time Service, iron cross arm there will be corrosion, aging, the phenomenons such as distortion, cross-arm is caused to be connected with shaft tower insecure, in addition bear a heavy burden large, when wind and snow weather, make shaft tower not steady, cross-arm can be made time serious to produce electric leakage accident, now, the personnel that need repairing climbing is to the eminence of shaft tower, reinstall after cross-arm righting, troublesome poeration, efficiency is low.The weak point that Here it is existing for prior art.
Summary of the invention
Technical problem to be solved by this invention, be exactly for the deficiency existing for prior art, and a kind of technical scheme of power circuit cross-arm is provided, use the present invention cross-arm can be fixed on shaft tower reliably, in addition, can adjust the pulling force size of pull bar and direction of pull, make cross-arm be in equilibrium state all the time, avoid not steady the caused electric leakage accident because of cross-arm.
This programme is achieved by the following technical measures: a kind of power circuit cross-arm, comprise two transverse arms be fixed on shaft tower, the two ends of described two transverse arms are fixed with two trailing arms, and the inner side of described two transverse arms is provided with the first snap ring matched with shaft tower; Also comprise and to match with shaft tower and to be positioned at the second snap ring below transverse arm and trailing arm, the bottom of described two trailing arms is hinged with pull bar respectively, and the other end and described second snap ring of described pull bar are slidably connected.
Further improvement of the present invention also has, and described the monosymmetric of second snap ring is provided with chute, is provided with slide block in described chute.
Further improvement of the present invention also has, described pull bar comprises the first articulated section connected in turn, head rod, adjustment part, second connecting rod and the second articulated section, described first articulated section and trailing arm hinged, one end of described head rod is fixedly connected with the first articulated section, the other end of described head rod is threaded with adjustment part, described second articulated section and slide block hinged, one end of described second connecting rod is fixedly connected with the second articulated section, the other end of described second connecting rod is threaded with adjustment part, the screw thread of described head rod is contrary with the thread rotary orientation of the second connecting portion bar.
Further improvement of the present invention also has, the bottom of described slide block is provided with top-pushing mechanism, described top-pushing mechanism comprises thrust screw rod, and the upper end of described thrust screw rod is positioned at the thrust hole of slide block, and the lower end of described thrust screw rod is connected with the nut thread be positioned at bottom chute.
Further improvement of the present invention also has, and each transverse arm is provided with at least two threaded adjustment holes, and between the threaded adjustment hole of described two transverse arms, symmetry is fixed with oblique arm.
Further improvement of the present invention also has, and described two transverse arms are fixed on described shaft tower by one group of Lengthened bolt.
Further improvement of the present invention also has, and described first snap ring comprises two semi-rings be oppositely arranged, and the both sides of described semi-ring are provided with baffle plate.
Further improvement of the present invention also has, and described semi-ring is connected by buffer spring with transverse arm, and under buffer spring is in compressive state, the distance between the end of described semi-ring and the medial surface of transverse arm is greater than the length of described baffle plate.
Further improvement of the present invention also has, and the opening part of described second snap ring is provided with one group of lock bolt.
Technical characterstic of the present invention and good effect are:
(1) in the present invention, the inner side of two transverse arms is fixedly connected with shaft tower by the first snap ring, and the structure of the structure of snap ring and shaft tower matches, and solves and installs cross-arm difficulty, fixing insecure technical problem;
(2) in the present invention, the below of transverse arm and trailing arm is provided with the second snap ring matched with shaft tower, and the bottom of described two trailing arms is hinged with pull bar respectively, and the other end and described second snap ring of described pull bar are slidably connected.Pull bar is that cross-arm provides certain pulling force, the pulling force size of pull bar is adjusted by adjustment pull bar itself, by making to produce relative sliding between tie rod end and the second snap ring, can adjust the direction of the pulling force that pull bar produces, and then keep cross-arm to be in equilibrium state, adjustment process is convenient, decreases not steady the caused electric leakage accident because of cross-arm.
As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the top view of Fig. 1.
In figure, 1 is transverse arm, and 1.1 is threaded adjustment hole, and 2 is trailing arm, 3 is oblique arm, and 4 is Lengthened bolt, and 5 is semi-ring, and 6 is baffle plate, 7 is buffer spring, and 8 is shaft tower, and 9 is the first articulated section, and 10 is head rod, 11 is adjustment part, and 12 is the second connecting rod, and 13 is the second articulated section, 14 is slide block, and 15 is lock bolt, and 16 is thrust hole, 17 is thrust screw rod, and 18 is chute, and 19 is nut.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, a kind of power circuit cross-arm, comprise two transverse arms 1 be fixed on shaft tower 8, the two ends of described two transverse arms 1 are fixed with two trailing arms 2, each transverse arm 1 is provided with at least two threaded adjustment holes 1.1, symmetrically between the threaded adjustment hole 1.1 of described two transverse arms 1 be fixed with oblique arm 3, oblique arm 3 can improve the load-bearing of cross-arm further, and the size according to installing space can adjust the position of oblique arm 3.Like this, the cross-arm support be made up of transverse arm 1, trailing arm 2 and oblique arm 3 can bear the weight of insulator and gold utensil, lightning conducter.
Described two transverse arms 1 are fixed on described shaft tower 8 by one group of Lengthened bolt 4.In order to adapt to the cross sectional shape of shaft tower 8, make to install between cross-arm and shaft tower 8 more firm, fixing reliable, the inner side of described two transverse arms 1 is provided with the first snap ring matched with shaft tower 8, described first snap ring comprises two semi-rings be oppositely arranged 5, the both sides of described semi-ring 5 are provided with baffle plate 6, described semi-ring 5 is connected by buffer spring 7 with transverse arm 1, under buffer spring 7 is in compressive state, distance between the end of described semi-ring 5 and the medial surface of transverse arm 1 is greater than the length of described baffle plate 6, the diameter of semi-ring 5 should be greater than the diameter of shaft tower 8, can ensure that two semi-rings 5 contact with shaft tower 8 all the time.In order to improve the frictional force between semi-ring 5 and shaft tower 8, on the inwall of semi-ring 5, rubber pad can be installed.
The present invention also comprises and to match with shaft tower 8 and to be positioned at the second snap ring below transverse arm 1 and trailing arm 2, and the opening part of described second snap ring is provided with one group of lock bolt 15, is fixed on shaft tower 8 by the second snap ring by lock bolt 15.
The bottom of described two trailing arms 2 is hinged with pull bar respectively, the other end and described second snap ring of described pull bar are slidably connected, concrete, the monosymmetric of described second snap ring is provided with chute 18, be provided with slide block 14 in described chute 18, the bottom of described slide block 14 is provided with top-pushing mechanism, and described top-pushing mechanism comprises thrust screw rod 17, the upper end of described thrust screw rod 17 is positioned at the thrust hole 16 of slide block 14, and the lower end of described thrust screw rod 17 is threaded with the nut 19 be positioned at bottom chute 18.Pull bar is that cross-arm provides certain pulling force, rotary thrust screw rod 17, with movable slider 14 moving up and down in chute 18, can achieve moving up and down of the end of pull bar, and then can adjust the direction of the pulling force that pull bar produces.
Described pull bar comprises the first articulated section 9 connected in turn, head rod 10, adjustment part 11, second connecting rod 12 and the second articulated section 13, described first articulated section 9 is hinged with trailing arm 2, one end of described head rod 10 is fixedly connected with the first articulated section 9, the other end of described head rod 10 is threaded with adjustment part 11, described second articulated section 13 is hinged with slide block 14, one end of described second connecting rod 12 is fixedly connected with the second articulated section 13, the other end of described second connecting rod 12 is threaded with adjustment part 11, the screw thread of described head rod 10 is contrary with the thread rotary orientation of the second connecting portion bar, rotate adjustment part 11, can regulate the size of the pulling force that pull bar produces.
By reference to the accompanying drawings the detailed description of the invention of invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. a power circuit cross-arm, comprises two transverse arms be fixed on shaft tower, and the two ends of described two transverse arms are fixed with two trailing arms, it is characterized in that: the inner side of described two transverse arms is provided with the first snap ring matched with shaft tower; Also comprise and to match with shaft tower and to be positioned at the second snap ring below transverse arm and trailing arm, the bottom of described two trailing arms is hinged with pull bar respectively, and the other end and described second snap ring of described pull bar are slidably connected.
2. power circuit cross-arm according to claim 1, is characterized in that: described the monosymmetric of second snap ring is provided with chute, is provided with slide block in described chute.
3. power circuit cross-arm according to claim 2, it is characterized in that: described pull bar comprises the first articulated section connected in turn, head rod, adjustment part, second connecting rod and the second articulated section, described first articulated section and trailing arm hinged, one end of described head rod is fixedly connected with the first articulated section, the other end of described head rod is threaded with adjustment part, described second articulated section and slide block hinged, one end of described second connecting rod is fixedly connected with the second articulated section, the other end of described second connecting rod is threaded with adjustment part, the screw thread of described head rod is contrary with the thread rotary orientation of the second connecting portion bar.
4. power circuit cross-arm according to claim 3, it is characterized in that: the bottom of described slide block is provided with top-pushing mechanism, described top-pushing mechanism comprises thrust screw rod, the upper end of described thrust screw rod is positioned at the thrust hole of slide block, and the lower end of described thrust screw rod is connected with the nut thread be positioned at bottom chute.
5. power circuit cross-arm according to claim 1, is characterized in that: each transverse arm is provided with at least two threaded adjustment holes, and between the threaded adjustment hole of described two transverse arms, symmetry is fixed with oblique arm.
6. power circuit cross-arm according to claim 1, is characterized in that: described two transverse arms are fixed on described shaft tower by one group of Lengthened bolt.
7. power circuit cross-arm according to claim 1, is characterized in that: described first snap ring comprises two semi-rings be oppositely arranged, and the both sides of described semi-ring are provided with baffle plate.
8. power circuit cross-arm according to claim 7, it is characterized in that: described semi-ring is connected by buffer spring with transverse arm, under buffer spring is in compressive state, the distance between the end of described semi-ring and the medial surface of transverse arm is greater than the length of described baffle plate.
9. power circuit cross-arm according to claim 1, is characterized in that: the opening part of described second snap ring is provided with one group of lock bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369674.3A CN104963543A (en) | 2015-06-30 | 2015-06-30 | Cross arm for electric power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369674.3A CN104963543A (en) | 2015-06-30 | 2015-06-30 | Cross arm for electric power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104963543A true CN104963543A (en) | 2015-10-07 |
Family
ID=54217608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510369674.3A Pending CN104963543A (en) | 2015-06-30 | 2015-06-30 | Cross arm for electric power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104963543A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822131A (en) * | 2016-04-13 | 2016-08-03 | 成都格瑞思文化传播有限公司 | Transmission cross arm |
| CN107769140A (en) * | 2017-12-01 | 2018-03-06 | 俞丹 | A kind of KV support of integral type 10 |
| CN108756435A (en) * | 2018-07-21 | 2018-11-06 | 国家电网有限公司 | Cross-arm locator |
| CN108868296A (en) * | 2018-07-23 | 2018-11-23 | 大连民族大学 | A kind of electrical cross arm |
| CN112922436A (en) * | 2021-02-01 | 2021-06-08 | 徐巧存 | High-low voltage line electric power cross arm |
| CN113389425A (en) * | 2021-07-02 | 2021-09-14 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
-
2015
- 2015-06-30 CN CN201510369674.3A patent/CN104963543A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822131A (en) * | 2016-04-13 | 2016-08-03 | 成都格瑞思文化传播有限公司 | Transmission cross arm |
| CN107769140A (en) * | 2017-12-01 | 2018-03-06 | 俞丹 | A kind of KV support of integral type 10 |
| CN107769140B (en) * | 2017-12-01 | 2019-12-06 | 蔡海英 | 10 kilovolt circuit support of integral type |
| CN108756435A (en) * | 2018-07-21 | 2018-11-06 | 国家电网有限公司 | Cross-arm locator |
| CN108868296A (en) * | 2018-07-23 | 2018-11-23 | 大连民族大学 | A kind of electrical cross arm |
| CN112922436A (en) * | 2021-02-01 | 2021-06-08 | 徐巧存 | High-low voltage line electric power cross arm |
| CN112922436B (en) * | 2021-02-01 | 2023-08-11 | 国网福建省电力有限公司三明市沙县区供电公司 | High-low voltage line electric power cross arm |
| CN113389425A (en) * | 2021-07-02 | 2021-09-14 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
| CN113389425B (en) * | 2021-07-02 | 2022-07-01 | 保定方圆电力线路器材有限公司 | Composite insulating cross arm and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151007 |