CN203201221U - Pole falling prevention device - Google Patents
Pole falling prevention device Download PDFInfo
- Publication number
- CN203201221U CN203201221U CN 201220577767 CN201220577767U CN203201221U CN 203201221 U CN203201221 U CN 203201221U CN 201220577767 CN201220577767 CN 201220577767 CN 201220577767 U CN201220577767 U CN 201220577767U CN 203201221 U CN203201221 U CN 203201221U
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- CN
- China
- Prior art keywords
- pull bar
- reversing device
- anchor ear
- arcuation
- arcuation anchor
- 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 - Lifetime
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- 230000002265 prevention Effects 0.000 title abstract 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 210000005069 ears Anatomy 0.000 claims description 12
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 14
- 210000003128 head Anatomy 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model discloses a pole falling prevention device which comprises a supporting sleeve and a pull rod. The axes of the pull rod and the supporting sleeve are arranged coplanarly, and the middle part of the pull rod is hinged with the supporting sleeve. The supporting sleeve comprises at least two arc-shaped hoops and a detachable connector for connecting the arc-shaped hoops to an annular member. Each arc-shaped hoop has an arc-shaped board structure. The external arc surface of each arc-shaped hoop is provided with a circumferential reinforcing rib. Through the circumferential reinforcing ribs on the arc-shaped hoops, the pole falling prevention device provided by the utility model has the following advantages: effectively eliminating stress concentration, improving structure strength, preventing fixation failure of an electric pole caused by deformation or breakage, ensuring fixation reliability to the pole body, and ensuring personal safety of an operator in operation on the electric pole.
Description
Technical field
The utility model relates to a kind of mechanical device, relates in particular to the higher anti-reversing device of a kind of structural strength.
Background technology
Step in the bar operation various, to be exactly the body of rod because of self tilt modal potential safety hazard or the inclination that causes because of the effect that is subjected to out-of-balance force, the accident of falling the bar takes place easily, as electric pole, in 10 kilovolts of the power transmission systems and following distribution line of China, the application of cement electric pole is comparatively extensive, and cement electric pole under transmission line of electricity broken string or long-time running situation because of permanent backguy endurance failure, factor such as foundation settlement or artificial destruction, all can cause electric pole to bear unbalanced tensile force and tilt, therefore, in the power transmission lines overhauling process, usually need before stepping on bar, the maintainer by backguy electric pole be fixed, to prevent down bar, the broken string accident, bar operating personnel's personal safety is stepped in guarantee, and be to beat a plurality of stay rods on every side on ground around electric pole for the fixing more of electric pole at present, corresponding each stay rod tiltedly draws electric pole fixing with backguy then, the head of the mast is fixed in the backguy upper end, in the prior art, in order to stop to step on the fixedly danger of backguy of bar, a kind of anti-reversing device for pole has appearred, comprise the support ring of being formed by the arcuation anchor ear of three radian unanimities and the pull bar that is articulated in support ring, the constructor can use instrument such as strut with whole anti-reversing device for pole support to the head of the mast again the backguy tension just can be realized and electric pole between fixing, the personnel of need not step on bar and fix, but its arcuation anchor ear middle part is concentrated stressed, yielding fracture makes backguy and electric pole break away from the solid failure that causes electric pole, constitutes another potential safety hazard.
Therefore, need be improved existing anti-reversing device for addressing the above problem, be improved its structural strength, avoid eliminating safe hidden trouble because being out of shape the solid failure that fracture causes, be guaranteed body of rod reliability of fixation, be ensured the personal safety of stepping on the bar operating personnel.
The utility model content
In view of this, the purpose of this utility model provides the higher anti-reversing device of a kind of structural strength, has eliminated the stress of arcuation anchor ear and has concentrated, and can avoid the solid failure that causes because of the distortion fracture, assurance ensures the personal safety of stepping on the bar operating personnel to body of rod reliability of fixation.
Anti-reversing device of the present utility model comprises support set and pull bar; The axis copline setting of described pull bar and support set also is articulated in support set with its middle part; Described support set comprises at least two arcuation anchor ears and the removable connector that each arcuation anchor ear is connected into annular.
Further, the radius of curvature of each arcuation anchor ear is identical and connect successively along same circumference head and the tail by described connector;
Further, described arcuation anchor ear is arc plate structure, and its extrados is provided with circumferential reinforcing rib;
Further, described reinforcing rib and arcuation anchor ear are one-body molded;
Further, the corresponding setting and arrange along circumference with the arcuation anchor ear one by one of described pull bar and arcuation anchor ear, each pull bar is articulated between the adjacent two arcuation anchor ears accordingly;
Further, described arcuation anchor ear is three and forms 1/3rd circumference of support set respectively;
Further, the circumferential two ends of described arcuation anchor ear all radially outward are bent to form the engaging lug that connects for connector;
Further, described connector comprise the bolt that passes described engaging lug and with the bolt nut engaged;
Further, described pull bar is by being used for connecting the described bolted splice of adjacent two arcuation anchor ears between corresponding two arcuation anchor ears;
Further, also be provided with on the described pull bar with corresponding pull bar and be connected to the strain plate on its top and the presser feet of bottom along same planar hinge, be connected with between presser feet and the pull bar for presser feet being mentioned the spring that reaches vertical position to its bottom surface at least.
The beneficial effects of the utility model are: anti-reversing device of the present utility model, be positioned on its arcuation anchor ear and be provided with circumferential reinforcing rib, it is concentrated effectively to eliminate stress, improve its structural strength, avoid causing solid failure to electric pole because of distortion fracture, can guarantee body of rod reliability of fixation, ensure the personal safety of stepping on the bar operating personnel.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the vertical view of Fig. 1, and as shown in the figure: anti-reversing device of the present utility model comprises support set and pull bar 1; Described pull bar 1 is articulated in support set with the axis copline setting of support set and with its middle part; Described support set comprises at least two arcuation anchor ears and the removable connector that each arcuation anchor ear is connected into annular, earlier each arcuation anchor ear 2 latch closure is connected and fixed by connector in the body of rod periphery during use, then backguy is fixed in pull bar 1 upper end, use at last instrument such as strut with whole anti-reversing device support to body of rod top again the backguy tension just can be realized and electric pole between fixing, the personnel of need not step on bar and fix, the backguy bottom can be strained and fixed by beating stay rod in the bottom surface, tiltedly draw at the body of rod and to step on the bar operation again after fixing, can ensure the personal safety of stepping on the bar operating personnel.
In the present embodiment, the radius of curvature of each arcuation anchor ear 2 is identical and pass through described connector along the connection successively of same circumference head and the tail, is applicable to the cylindrical body of rod, as cement electric pole, and compact conformation, easy to carry.
In the present embodiment, described arcuation anchor ear 2 is arc plate structure, its extrados is provided with circumferential reinforcing rib 3, by reinforcing rib 3 is set, can effectively eliminate the stress of arcuation anchor ear 2 and concentrate, improve its structural strength, avoid causing solid failure to electric pole because of distortion fracture, can guarantee that to the body of rod reliability of fixation reinforcing rib 3 can be arranged at arcuation anchor ear 2 extrados upper end or lower end or lower end, upper end and respectively arrange one, all can realize the utility model purpose and not interfere the installation of connector.
In the present embodiment, described reinforcing rib 3 is one-body molded with arcuation anchor ear 2, and structural strength height, but casting are easy to process.
In the present embodiment, the corresponding setting and arrange along circumference with arcuation anchor ear 2 one by one of described pull bar 1 and arcuation anchor ear 2, each pull bar 1 is articulated between the adjacent two arcuation anchor ears 2 accordingly, with pull bar 1 one by one corresponding being articulated on each arcuation anchor ear 2 compare, can simplify the syndeton between pull bar 1 and the arcuation anchor ear 2, be beneficial to the machine-shaping of arcuation anchor ear 2, can reduce manufacturing cost.
In the present embodiment, described arcuation anchor ear 2 is three and forms 1/3rd circumference of support set respectively, corresponding pull bar 1 also is three and along the support set circumference uniform distribution, the body of rod is effectively fixed under three the direction pulling force effect that is mutually 120 ° of angles along level, simple and reliable, be easy to construction.
In the present embodiment, described arcuation anchor ear 2 circumferential two ends all radially outward are bent to form the engaging lug 4 that connects for connector, and are rational in infrastructure, are convenient to install connector.
In the present embodiment, described connector comprise the bolt 5 that passes described engaging lug 4 and with bolt 5 nut engaged 6, be beneficial to the assurance bonding strength, easy accessibility, bolt 5 can adopt single head or stud, all can realize the utility model purpose.
In the present embodiment, described pull bar 1 is articulated between the corresponding two arcuation anchor ears 2 by the described bolt 5 that is used for the adjacent two arcuation anchor ears 2 of connection, need not between pull bar 1 and arcuation anchor ear 2 other connectors to be set, and structure is simpler, dismounting easily.
In the present embodiment, also be provided with on the described pull bar 1 with corresponding pull bar 1 and be connected to the strain plate 7 on its top and the presser feet 8 of bottom along same planar hinge, be connected with between presser feet 8 and the pull bar 1 for presser feet 8 being mentioned the spring 9 that reaches vertical position to its bottom surface at least, strain plate 7 is used for fixedly connected backguy, can be convenient to connect and guarantee the connection reliability of backguy and pull bar 1, presser feet 8 can guarantee pull bar 1 under the differing tilt angles situation all can with the body of rod to contact than large tracts of land, improve frictional force, assurance is fixedly clamped in the reliability of the body of rod, spring 9 can guarantee anti-reversing device along the bottom surface of its presser feet 8 in the up process of the body of rod all the time towards the body of rod, presser feet 8 is pressed in the body of rod with its bottom surface when guaranteeing to strain backguy.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. an anti-reversing device is characterized in that: comprise support set and pull bar; The axis copline setting of described pull bar and support set also is articulated in support set with its middle part; Described support set comprises at least two arcuation anchor ears and the removable connector that each arcuation anchor ear is connected into annular.
2. anti-reversing device according to claim 1 is characterized in that: the radius of curvature of each arcuation anchor ear is identical and connect successively along same circumference head and the tail by described connector.
3. anti-reversing device according to claim 2, it is characterized in that: described arcuation anchor ear is arc plate structure, and its extrados is provided with circumferential reinforcing rib.
4. anti-reversing device according to claim 3, it is characterized in that: described reinforcing rib and arcuation anchor ear are one-body molded.
5. anti-reversing device according to claim 4 is characterized in that: the corresponding setting and arrange along circumference with the arcuation anchor ear one by one of described pull bar and arcuation anchor ear, each pull bar is articulated between the adjacent two arcuation anchor ears accordingly.
6. anti-reversing device according to claim 5 is characterized in that: described arcuation anchor ear is three and forms 1/3rd circumference of support set respectively.
7. anti-reversing device according to claim 6 is characterized in that: the circumferential two ends of described arcuation anchor ear all radially outward are bent to form the engaging lug that connects for connector.
8. anti-reversing device according to claim 7 is characterized in that: described connector comprise the bolt that passes described engaging lug and with the bolt nut engaged.
9. anti-reversing device according to claim 8 is characterized in that: described pull bar is by being used for connecting the described bolted splice of adjacent two arcuation anchor ears between corresponding two arcuation anchor ears.
10. anti-reversing device according to claim 9, it is characterized in that: also be provided with on the described pull bar with corresponding pull bar and be connected to the strain plate on its top and the presser feet of bottom along same planar hinge, be connected with between presser feet and the pull bar for presser feet being mentioned the spring that reaches vertical position to its bottom surface at least.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220577767 CN203201221U (en) | 2012-11-05 | 2012-11-05 | Pole falling prevention device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220577767 CN203201221U (en) | 2012-11-05 | 2012-11-05 | Pole falling prevention device |
Publications (1)
Publication Number | Publication Date |
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CN203201221U true CN203201221U (en) | 2013-09-18 |
Family
ID=49145340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220577767 Expired - Lifetime CN203201221U (en) | 2012-11-05 | 2012-11-05 | Pole falling prevention device |
Country Status (1)
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CN (1) | CN203201221U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533132A (en) * | 2015-01-08 | 2015-04-22 | 广东电网有限责任公司江门台山供电局 | Windproof stay wire structure for 10kV telegraph pole line |
CN104652911A (en) * | 2015-03-06 | 2015-05-27 | 国家电网公司 | Pole falling prevention device |
CN108729734A (en) * | 2018-06-05 | 2018-11-02 | 中机国能电力工程有限公司 | A kind of simple high-voltage direct-burried bar fixed frame |
CN109812116A (en) * | 2017-07-10 | 2019-05-28 | 杭州启澄科技有限公司 | A kind of anti-inversion telegraph pole |
CN109812115A (en) * | 2017-07-10 | 2019-05-28 | 杭州启澄科技有限公司 | A kind of electric pole that power domain uses |
-
2012
- 2012-11-05 CN CN 201220577767 patent/CN203201221U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533132A (en) * | 2015-01-08 | 2015-04-22 | 广东电网有限责任公司江门台山供电局 | Windproof stay wire structure for 10kV telegraph pole line |
CN104652911A (en) * | 2015-03-06 | 2015-05-27 | 国家电网公司 | Pole falling prevention device |
CN109812116A (en) * | 2017-07-10 | 2019-05-28 | 杭州启澄科技有限公司 | A kind of anti-inversion telegraph pole |
CN109812115A (en) * | 2017-07-10 | 2019-05-28 | 杭州启澄科技有限公司 | A kind of electric pole that power domain uses |
CN109812115B (en) * | 2017-07-10 | 2020-09-15 | 杭州启澄科技有限公司 | Wire pole that electric power field used |
CN109812116B (en) * | 2017-07-10 | 2020-09-15 | 杭州启澄科技有限公司 | Prevent down wire pole |
CN108729734A (en) * | 2018-06-05 | 2018-11-02 | 中机国能电力工程有限公司 | A kind of simple high-voltage direct-burried bar fixed frame |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130918 |
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CX01 | Expiry of patent term |