CN204728800U - A kind of power circuit cross-arm - Google Patents

A kind of power circuit cross-arm Download PDF

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Publication number
CN204728800U
CN204728800U CN201520456674.2U CN201520456674U CN204728800U CN 204728800 U CN204728800 U CN 204728800U CN 201520456674 U CN201520456674 U CN 201520456674U CN 204728800 U CN204728800 U CN 204728800U
Authority
CN
China
Prior art keywords
arm
power circuit
snap ring
shaft tower
transverse
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.)
Expired - Fee Related
Application number
CN201520456674.2U
Other languages
Chinese (zh)
Inventor
崔奎祥
王长勇
周磊
韩峰
刘功庆
孙立山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520456674.2U priority Critical patent/CN204728800U/en
Application granted granted Critical
Publication of CN204728800U publication Critical patent/CN204728800U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of technical scheme of power circuit cross-arm, the program comprises two transverse arms be fixed on shaft tower, 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 respectively arranged 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.By the adjustment to cross-arm, make cross-arm be in equilibrium state and can firmly be fixed on shaft tower, being convenient to the maintenance of staff, decreasing the electric leakage accident that cross-arm causes.

Description

A kind of power circuit cross-arm
Technical field
The utility model relates to 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 in the utility model, be exactly for the deficiency existing for prior art, and a kind of technical scheme of power circuit cross-arm is provided, use the utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model also has, and described two transverse arms are fixed on described shaft tower by one group of Lengthened bolt.
Further improvement of the utility model 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 utility model 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 utility model also has, and the opening part of described second snap ring is provided with one group of lock bolt.
Technical characterstic of the present utility model and good effect are:
(1) in the utility model, 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 utility model, 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, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detailed description 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 utility model 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 utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.

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.
CN201520456674.2U 2015-06-30 2015-06-30 A kind of power circuit cross-arm Expired - Fee Related CN204728800U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520456674.2U CN204728800U (en) 2015-06-30 2015-06-30 A kind of power circuit cross-arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520456674.2U CN204728800U (en) 2015-06-30 2015-06-30 A kind of power circuit cross-arm

Publications (1)

Publication Number Publication Date
CN204728800U true CN204728800U (en) 2015-10-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520456674.2U Expired - Fee Related CN204728800U (en) 2015-06-30 2015-06-30 A kind of power circuit cross-arm

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108756425A (en) * 2018-04-26 2018-11-06 合肥海银杆塔有限公司 A kind of high intensity low weight type electric force pole tower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108756425A (en) * 2018-04-26 2018-11-06 合肥海银杆塔有限公司 A kind of high intensity low weight type electric force pole tower

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151028

Termination date: 20200630