CN112398044A - Four-hook clamp for tangent tower wire of 35kV and above power transmission line - Google Patents

Four-hook clamp for tangent tower wire of 35kV and above power transmission line Download PDF

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Publication number
CN112398044A
CN112398044A CN202011152733.9A CN202011152733A CN112398044A CN 112398044 A CN112398044 A CN 112398044A CN 202011152733 A CN202011152733 A CN 202011152733A CN 112398044 A CN112398044 A CN 112398044A
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CN
China
Prior art keywords
hook
wire
vertical arm
vertical
cross beam
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Pending
Application number
CN202011152733.9A
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Chinese (zh)
Inventor
韦昭玉
陈洋
黄武平
韦雪云
李华
唐秀国
唐家宾
姜钦云
梁春柳
阙朝建
苗鹏
于肖杰
胡峰铭
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.)
Liuzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
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Liuzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
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Application filed by Liuzhou Power Supply Bureau of Guangxi Power Grid Co Ltd filed Critical Liuzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority to CN202011152733.9A priority Critical patent/CN112398044A/en
Publication of CN112398044A publication Critical patent/CN112398044A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a four-hook clamp for a tangent tower wire of a transmission line of 35kV or more, which relates to the field of auxiliary tools for overhauling overhead transmission lines. A plurality of transverse adjusting holes are symmetrically formed in the two sides of the cross beam in a through mode relative to the suspension wire holes, and vertical arm fixing bolts penetrate through the transverse adjusting holes. Two sides of the cross beam are respectively provided with a vertical arm, and the vertical arms are adjustably connected with the cross beam through vertical arm fixing bolts. A plurality of vertical adjusting holes are correspondingly formed in each vertical arm. And a wire hook fixing bolt penetrates through the vertical adjusting hole and is used for fixing a wire hook, and each vertical arm is provided with two wire hooks. The invention is designed to be split on the original four-hook clamp, is more convenient to transport and carry, can adjust the gaps of various lead arrangement modes, and meets the use requirements of 35kV to 500kV voltage levels and various lead intervals.

Description

Four-hook clamp for tangent tower wire of 35kV and above power transmission line
Technical Field
The invention relates to the field of auxiliary tools for overhauling overhead transmission lines, in particular to a four-hook clamp for a tangent tower wire of a 35kV or above transmission line.
Background
At present, the arrangement mode of transmission line wire is various, has multiple modes such as single division, horizontal double division, perpendicular double division, upper and lower double division row and quartering row, and the multiplexer utensil specification that consequently corresponds the transmission line maintenance is also different, and various maintenance more can cause the circuit maintenance process loaded down with trivial details, and it leads to the circuit power off time overlength easily to change too much multiplexer utensil, influences the power consumption, has still increased transmission line and maintenance operation personnel's potential safety hazard.
Among the prior art as CN202586162U discloses adjustable plumb line hook, including falling line ware and adjustable lead screw, adjustable lead screw setting in the middle part that falls the line ware, adjustable lead screw is located the below cover that falls the line ware and is equipped with the lead screw handle, four angles of falling the line ware on all be provided with kayser mechanism, kayser mechanism including buckle, draw-in groove and round pin, the buckle passes through the hub connection with the draw-in groove, is provided with the pinhole on the buckle, the one end of draw-in groove be provided with pinhole complex round pin. The adjustable lead screw is arranged in the middle of the wire dropping device, a lead screw handle is sleeved below the adjustable lead screw, and the clamping mechanisms are arranged at four corners of the wire dropping device. The disclosed technique can solve the problem of fastening a hook to a wire, but it has not yet been able to solve the above-mentioned problem of inconvenience in maintenance due to a large number of types of tools.
Disclosure of Invention
The invention develops a novel 35kV and above transmission line tangent tower wire four-hook clamp by taking the original 500kV transmission line four-branch-row wire four-hook clamp as a template, and the wire four-hook clamp can be detached and adjusted in distance, is lighter and more portable and meets the wire spacing of each voltage class. The hook groove of the wire hook is designed according to a large-section-area wire, and can be fixedly installed on a vertical arm in an adjustable mode, the use of various arrangement modes of the wire is met, and the use of the wire section of each voltage class is met, so that the wire is lifted, and hidden dangers and defects are effectively eliminated in time and rapidly when a power transmission line is overhauled. The invention is realized by adopting the following technical scheme:
a four-hook clamp for a 35kV or above transmission line tangent tower wire comprises a cross beam, wherein two sides of the cross beam are respectively and symmetrically provided with a vertical arm, the vertical arms are provided with wire hooks, and the middle of the cross beam is provided with a hanging wire hole in a penetrating manner;
a plurality of transverse adjusting holes are symmetrically and penetratingly formed in the two sides of the cross beam relative to the suspension wire holes;
a vertical arm fixing bolt penetrates through the transverse adjusting hole;
two sides of the cross beam are respectively provided with one vertical arm, and the vertical arms are adjustably connected with the cross beam through vertical arm fixing bolts;
a plurality of vertical adjusting holes are correspondingly formed in each vertical arm; a wire hook fixing bolt is arranged in the vertical adjusting hole in a penetrating manner and used for fixing the wire hook;
two wire hooks are respectively arranged on each vertical arm.
Preferably, the cross beam is of a straight rod structure, a hanging lug is fixedly arranged on the upper side portion of the middle of the cross beam, and the hanging wire hole is formed in the hanging lug. The structure enables the center of the wire hanging hole to be located on one side of the cross beam, and the center of gravity is downward during wire hanging, so that the whole cross beam is not easy to offset.
Preferably, the vertical arm is of a straight rod structure, one end of the vertical arm is provided with a clamping groove, the clamping groove cuts the end part of the whole vertical arm into a U-shaped structure, and two sides of the U-shaped structure are provided with vertical arm bolt holes in a penetrating manner;
the U-shaped structure of the vertical arm is clamped on the cross beam, and the vertical arm fixing bolt penetrates through the transverse adjusting hole and the vertical arm bolt hole. The structure enables the whole vertical arm to be stressed uniformly, is more stable and safer compared with the situation that the vertical arm is fixed on the cross beam on one side, and is not easy to deflect.
Preferably, the axis direction of the vertical adjusting hole is parallel to the direction of the clamping groove. This prevents the wire hook from rotating due to stress.
Preferably, the wire hook comprises a left wire hook and a right wire hook, the left wire hook and the right wire hook are identical in structure, the installation directions are arranged back to back, and the hook bodies face outwards. When the hook clamp is hung on the lead during high-altitude operation, the hook clamp is always kept in the lead after being hung on the lead, and the hook clamp is prevented from falling off due to swinging.
Preferably, the wire hook is a U-shaped structure, a fixing hole is formed through an inner wall of one side of the wire hook, and the wire hook fixing bolt penetrates through the fixing hole and is fixedly connected with the vertical arm through the wire hook fixing bolt. The structure is convenient to disassemble and assemble, the packaging, transporting and carrying costs are further reduced, and the burden of workers is lightened.
Preferably, the wire hook fixing bolt and the vertical arm fixing bolt are high-strength bolts. Adopt high strength bolt, can further improve the security and the fastness of device, prevent that accident from taking place.
Preferably, the width of the hook groove of the wire hook is 5 cm. This is designed according to the diameter of the largest wire currently in use, and such a design can accommodate all wire sizes.
Preferably, each side of the beam is provided with 4 transverse adjusting holes, and the distance between every two transverse adjusting holes is 5 cm; the distance a between the two nearest transverse adjusting holes on the two inner sides is 40 cm.
Every side all has seted up 3 on the vertical arm vertical regulation hole, the interval between each vertical regulation hole is 5 cm. This dimension is designed according to the existing wire layout pitch, and can be adjusted to the wire with different voltage levels.
Preferably, the cross beam and the vertical arm are both made of high-density aluminum alloy materials. Thus, the weight of the device can be reduced, the strength of the device can be improved, the safety is improved, and the device is convenient to carry.
The beneficial effects of the invention include:
1. the overall structure is made of reinforced and thickened high-density aluminum alloy materials, but the overall weight is not increased but is lighter.
2. The split design is carried out on the original four-hook clamp, so that the transportation and the carrying are more convenient.
3. The joints of the four hook clamps are locked by the reinforcing bolts, so that the four hook clamps are safer and firmer in the use process, and the swing phenomenon of the four hook clamps is prevented in the use process.
4. The hook groove of the four-hook clamp is designed according to the large-section-area lead, so that the lead with various section areas can be met, and the lead sliding prevention device is designed to prevent the lead from sliding in the use process.
5. The design of punching on each part of four hook clamps makes it adjust to multiple wire arrangement mode clearance to satisfy 35kV to 500kV voltage class and multiple wire interval and use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment provided by the present invention;
FIG. 2 is a front view of an embodiment provided by the present invention;
FIG. 3 is a left side view of an embodiment provided by the present invention;
FIG. 4 is a top view of an embodiment provided by the present invention;
fig. 5 is an exploded view of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 5 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-5, a four-hook clamp for a 35kV and above transmission line tangent tower wire comprises a cross beam 1, wherein the cross beam 1 is made of a high-density aluminum alloy material into a straight rod structure, and a hanging wire hole 11 is formed in the middle of the cross beam 1 in a penetrating manner. In order to ensure the temperature of the center of gravity, in the embodiment, a hanging lug 10 is fixedly arranged on the upper side part of the middle of the cross beam 1, and a hanging wire hole 11 is formed on the hanging lug 10. The structure enables the center of the wire hanging hole to be located on one side of the cross beam, and the center of gravity is downward during wire hanging, so that the whole cross beam is not easy to offset.
A plurality of transverse adjusting holes 12 are symmetrically perforated on two sides of the cross beam 1 relative to the hanging wire holes 11. The transverse adjusting holes 12 are arranged in a straight line, and each side is provided with a group of transverse adjusting holes 12. Wherein, each group is provided with 4 transverse adjusting holes 12, the distance between each transverse adjusting hole 12 is 5cm, and the distance a between two closest transverse adjusting holes 12 at the two inner sides is 40 cm. A left vertical arm fixing bolt 50 penetrates through the left lateral adjusting hole 12, and a right vertical arm fixing bolt 53 penetrates through the right lateral adjusting hole 12. The vertical arm fixing bolts on the left side and the right side are high-strength bolts with the same structure and size, and are used for fixing the vertical arm 2, and the concrete mode is as follows:
the vertical arms 2 are provided with two vertical arms which are respectively positioned at two sides of the cross beam 1. The vertical arm 2 is also made of a high-density aluminum alloy material to form a straight rod structure, a clamping groove 20 is formed in the top end of the vertical arm 2, the end portion of the whole vertical arm 2 is cut into a U-shaped structure through the clamping groove 20, and vertical arm bolt holes 21 are formed in two sides of the U-shaped structure in a penetrating mode. The U-shaped structure of the vertical arm 2 is clamped on the cross beam 1, and vertical arm fixing bolts 50 and 53 penetrate through the transverse adjusting hole 12 and the vertical arm bolt hole 21 on the cross beam 1. The structure enables the whole vertical arm to be stressed uniformly, is more stable and safer compared with the situation that the vertical arm is fixed on the cross beam on one side, and is not easy to deflect. Each vertical arm 2 is correspondingly provided with a plurality of vertical adjusting holes 22. The axial center direction of the vertical adjusting hole 22 is parallel to the direction of the clamping groove 20, that is, the axial center of the vertical adjusting hole 22 is parallel to the cross beam 1 after installation. This prevents the wire hook from rotating due to stress. The vertical adjusting holes 22 are arranged in a straight line, the center of the vertical arm 2 is used as a boundary to divide the vertical arm into an upper group and a lower group, each group is provided with 3 vertical adjusting holes 22, and the distance between each vertical adjusting hole 22 is 5 cm. The closest hole spacing between the two sets was 40 cm. A wire hook fixing bolt is arranged in the vertical adjusting hole 22 in a penetrating manner and used for fixing the wire hook.
The wire hook includes left side wire hook 3 and right side wire hook 4, and the two structure is the same, and only the installation direction sets up back to back each other, and the coupler body is outwards. The wire hook is the U-shaped structure, and the inner wall of its one side link up and has seted up the fixed orifices, wears to be equipped with wire hook fixing bolt in this fixed orifices, through wire hook fixing bolt and 2 fixed connection of vertical arm, specifically, wears to establish left wire hook fixing bolt 51 in the left side wire hook 3, wears to establish right wire hook fixing bolt 52 in the right side wire hook 4. The left wire hook fixing bolt 51 and the right wire hook fixing bolt 52 are high-strength bolts having the same structure. The structure is convenient to disassemble and assemble, the packaging, transporting and carrying costs are further reduced, and the burden of workers is lightened. When the design is used for high-altitude operation, the hook clamp is hung on the lead and then the two vertical arms 2 are always kept to be positioned in the lead at the same time, so that the hook clamp is prevented from falling off due to swinging.
All adopt high strength bolt, can further improve the security and the fastness of device, prevent that accident from taking place.
Further, in one embodiment, the wire hook has a hook slot width of 5 cm. This is designed according to the diameter of the largest wire currently in use, and such a design can accommodate all wire sizes.
When carrying or transporting, can take off bolt and corresponding crossbeam 1, vertical arm 2, wire hook, can furthest compress the volume like this, conveniently carry. When the device is used, the device is assembled according to the arrangement condition of the overhead lines on site, and the crossbeam 1, the vertical arm 2 and the wire hook are fixedly installed by utilizing different distances among the transverse adjusting holes 12 and different distances among the vertical adjusting holes 22, so that the device can be used. The invention accords with the general structural design of the four-column conductor four-hook clamp of the conventional 500kV transmission line, has approximately the same overall size, is thicker, more stable and lighter in material use and structural design, is lighter and more handy to use, and is added with an adjustable function. The conductor can not only meet the requirements of a single-split conductor and a multi-form double-split conductor of a 35kV power transmission line on a 500kV power transmission line four-split conductor, but also solve the problems of limitation and singleness of the original conductor four-hook clamp in use. The maintenance time is greatly shortened, thereby improving the reliability of the circuit and ensuring the safety, stability and personal safety of the equipment. The application range is as follows: single-split, multi-form double-split and four-split conductors of 35kV transmission lines and above.

Claims (10)

1. The utility model provides a four hook clamps of transmission line tangent tower wire above 35kV, includes the crossbeam, the crossbeam both sides symmetry respectively are provided with a vertical arm, be provided with wire hook, its characterized in that on the vertical arm:
the middle part of the cross beam is provided with a hanging wire hole in a penetrating way;
a plurality of transverse adjusting holes are symmetrically and penetratingly formed in the two sides of the cross beam relative to the suspension wire holes;
a vertical arm fixing bolt penetrates through the transverse adjusting hole;
two sides of the cross beam are respectively provided with one vertical arm, and the vertical arms are adjustably connected with the cross beam through vertical arm fixing bolts;
a plurality of vertical adjusting holes are correspondingly formed in each vertical arm; a wire hook fixing bolt is arranged in the vertical adjusting hole in a penetrating manner and used for fixing the wire hook;
two wire hooks are respectively arranged on each vertical arm.
2. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the cross beam is of a straight rod structure, a hanging lug is fixedly arranged on the upper side portion of the middle of the cross beam, and the hanging wire hole is formed in the hanging lug.
3. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the vertical arm is of a straight rod structure, one end of the vertical arm is provided with a clamping groove, the end part of the whole vertical arm is cut into a U-shaped structure by the clamping groove, and two sides of the U-shaped structure are provided with vertical arm bolt holes in a through mode;
the U-shaped structure of the vertical arm is clamped on the cross beam, and the vertical arm fixing bolt penetrates through the transverse adjusting hole and the vertical arm bolt hole.
4. The four-hook clamp for the tangent tower wire of the 35kV and above transmission line of claim 3, characterized in that:
the axis direction of the vertical adjusting hole is parallel to the direction of the clamping groove.
5. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the wire hook comprises a left wire hook and a right wire hook which are identical in structure and are arranged oppositely in the installation direction, and the hook body faces outwards.
6. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the wire hook is of a U-shaped structure, a fixing hole is formed in the inner wall of one side of the wire hook in a penetrating mode, and a wire hook fixing bolt penetrates through the fixing hole and is fixedly connected with the vertical arm through the wire hook fixing bolt.
7. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the wire hook fixing bolt and the vertical arm fixing bolt are high-strength bolts.
8. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the width of a hook groove of the wire hook is 5 cm.
9. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
each side of the cross beam is provided with 4 transverse adjusting holes, and the distance between every two transverse adjusting holes is 5 cm; the distance a between two nearest transverse adjusting holes on the two inner sides is 40 cm;
every side all has seted up 3 on the vertical arm vertical regulation hole, the interval between each vertical regulation hole is 5 cm.
10. The four-hook clamp for the tangent tower lead of the 35kV and above transmission line of claim 1, which is characterized in that:
the cross beam and the vertical arm are both made of high-density aluminum alloy materials.
CN202011152733.9A 2020-10-26 2020-10-26 Four-hook clamp for tangent tower wire of 35kV and above power transmission line Pending CN112398044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011152733.9A CN112398044A (en) 2020-10-26 2020-10-26 Four-hook clamp for tangent tower wire of 35kV and above power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011152733.9A CN112398044A (en) 2020-10-26 2020-10-26 Four-hook clamp for tangent tower wire of 35kV and above power transmission line

Publications (1)

Publication Number Publication Date
CN112398044A true CN112398044A (en) 2021-02-23

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CN202011152733.9A Pending CN112398044A (en) 2020-10-26 2020-10-26 Four-hook clamp for tangent tower wire of 35kV and above power transmission line

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234091Y (en) * 2008-07-12 2009-05-06 宁夏电力公司吴忠供电局 Vertical double split conductive wire hanging hook
CN201904568U (en) * 2010-10-29 2011-07-20 山西省电力公司晋中供电分公司 Overhead ground wire lifting device
CN202586162U (en) * 2012-04-26 2012-12-05 辽宁省电力有限公司辽阳供电公司 Adjustable wire hanging hook
CN208986501U (en) * 2018-10-29 2019-06-14 云南电网有限责任公司带电作业分公司 A kind of multi-functional six-multiple conductor line lifter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234091Y (en) * 2008-07-12 2009-05-06 宁夏电力公司吴忠供电局 Vertical double split conductive wire hanging hook
CN201904568U (en) * 2010-10-29 2011-07-20 山西省电力公司晋中供电分公司 Overhead ground wire lifting device
CN202586162U (en) * 2012-04-26 2012-12-05 辽宁省电力有限公司辽阳供电公司 Adjustable wire hanging hook
CN208986501U (en) * 2018-10-29 2019-06-14 云南电网有限责任公司带电作业分公司 A kind of multi-functional six-multiple conductor line lifter

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