CN112382983A - Electric power turn-buckle - Google Patents

Electric power turn-buckle Download PDF

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Publication number
CN112382983A
CN112382983A CN202011391485.3A CN202011391485A CN112382983A CN 112382983 A CN112382983 A CN 112382983A CN 202011391485 A CN202011391485 A CN 202011391485A CN 112382983 A CN112382983 A CN 112382983A
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CN
China
Prior art keywords
fixed
ring
wall
fixed mounting
fixedly mounted
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Granted
Application number
CN202011391485.3A
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Chinese (zh)
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CN112382983B (en
Inventor
陈秋芳
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Super High Voltage Branch Of State Grid Anhui Electric Power Co ltd
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Individual
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Publication of CN112382983A publication Critical patent/CN112382983A/en
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Publication of CN112382983B publication Critical patent/CN112382983B/en
Expired - Fee Related 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
    • H02G1/04Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching

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  • Transmission Devices (AREA)

Abstract

The invention relates to the technical field of electric power maintenance auxiliary equipment, and discloses an electric power tightener which comprises a lifting hook, wherein a bearing ring is fixedly arranged on the inner wall of the bottom of the lifting hook, a rotating buckle is fixedly arranged at the bottom end of the bearing ring, a fixed rod is movably connected to the inner wall of the rotating buckle, a steel wire rope is movably connected to the surface of the fixed rod, a movable wheel is fixedly and movably connected to the bottom end of the rotating buckle, when the steel wire rope is loosened, a movable block is positioned above a first gear ring, an electric telescopic rod extends to enable a fixed block to be positioned on the inner wall of a fixed hole, then a rocker is manually rotated, the rocker is moved to drive the movable ring to move on the inner wall of a protective shell, the movable ring is fixed with a mounting block through a magnetic ring and a spring plate in the moving process, the fixed block rotates to drive, the fixed gear ring rotates to enable the hoisting gear to rotate to contract the steel wire rope.

Description

Electric power turn-buckle
Technical Field
The invention relates to the technical field of electric power maintenance auxiliary equipment, in particular to an electric power wire tightener.
Technical Field
A wire tightener, also called ratchet tightener, is used for tightening wire in overhead line laying construction, when in use, firstly, a steel wire rope or a galvanized iron wire on the wire tightener is loosened and fixed on a cross arm, the wire is clamped by a wire clamp, then a special spanner is pulled, the steel wire rope or the galvanized iron wire is gradually wound on a ratchet wheel roller due to the anti-reversion effect of a pawl, the wire is tightened, the tightened wire is fixed on an insulator, then, the pawl is firstly loosened, the steel wire rope or the galvanized iron wire is loosened, then, a wire clamp is loosened, and finally, the steel wire rope or the galvanized iron wire is wound on the ratchet wheel roller.
In the use process of a general electric wire tightener, the following two defects are often existed:
1. in the construction process, due to the influence of environment and geographical position, the tightener is often used for operation in a narrow space, a wrench is usually adopted for tightening when the tightener tightens a cable, the tightening force is insufficient when the wrench is too short, and parts are damaged due to collision with other places when the wrench is too long due to the narrow space, so that the tightener is very inconvenient and troubles countless constructors;
2. the unable regulation of general turn-buckle fixed dynamics needs to last always to fasten the cable with the same power, causes hard fatigue easily, and screws up that the back personnel apply force can't further be accurate to this carry out turn-buckle and receive line fixed work, still has certain pine line danger when extravagant manpower.
Disclosure of Invention
In order to realize the purpose of labor saving and firmness of the wire tightening, the invention provides the following technical scheme: the utility model provides an electric power turn-buckle, includes the lifting hook, the bottom inner wall fixed mounting of lifting hook has the bearing ring, the bottom fixed mounting of bearing ring has rotatory the knot, the inner wall swing joint that rotatory was detained has the dead lever, the surperficial swing joint of dead lever has wire rope, the bottom fixed swing joint that rotatory was detained has the movable wheel, the right side fixed surface that rotatory was detained installs hoisting gear, hoisting gear's right side fixed mounting has laborsaving subassembly.
Preferably, the labor-saving assembly comprises a protective shell, a sealing sleeve is fixedly mounted on the left surface of the protective shell, a connecting rod is movably connected to the inner wall of the sealing sleeve, a fixed gear ring is fixedly mounted on the right side of the connecting rod, a mounting block is fixedly mounted on the right side of the fixed gear ring, first gear rings are fixedly mounted on the top ends and the bottom ends of the fixed gear rings respectively, a fixed block is movably connected to the inner wall of the top of each first gear ring, an electric telescopic rod is fixedly mounted on the top end of each fixed block, a second gear ring is fixedly mounted on the right side of each first gear ring, magnetic rings are fixedly mounted on the top ends and the bottom ends of the mounting blocks respectively, a spring plate is fixedly mounted on one side of each magnetic ring, which is far away from the vertical central line of the fixed gear ring, a movable ring is fixedly mounted on one side of, the protective housing can fix the internal components thereof and also has a protective effect, and the installed connecting rod plays a role in fixing the fixed gear ring and prevents the offset position in the rotating process.
As preferred, the left side fixed surface at activity ring top installs the pulley, the inner wall swing joint of pulley has the connection rope, the left side surface at activity ring top and the top fixed mounting who is located the pulley have a hollow tube, the top and the equal fixed mounting in bottom of activity ring have the gyro wheel, the right side fixed mounting at activity ring top has the rocker, the left side fixed mounting who connects the rope has the fixed band, the left side fixed mounting of fixed band has the movable block, the top fixed mounting of movable block has the slider, the left side fixed mounting of slider has tensile area, and the hollow tube makes things convenient for weight lighter, and the installation is more firm, and the gyro wheel can make the activity ring more rapid at the removal in-process.
As preferred, the fixed orifices has been seted up to the inner wall at second ring gear top, the top right side fixed mounting of second ring gear has the fixed plate, the top inner wall fixed mounting of fixed plate has the torsional spring, the inner wall fixed mounting of torsional spring has the pin, the left side fixed mounting of pin has the crash pad, and the fixed orifices of seting up is convenient fixed the fixed block, and the torsional spring can make at the pin atress and drive its rotation, can effectively prolong the life of pin.
Preferably, the bottom through connection of fixed plate has the bolt, the crash pad is the rubber material, the torsional spring runs through whole fixed plate installation, and bolted connection still has when stable dismantles convenient advantage.
Preferably, the left side and the right side of the stretching belt are fixedly provided with semicircular rings, the left side of the stretching belt is fixed with the inner wall of the hollow pipe, the contact area of the semicircular rings is larger than that of the stretching belt, and the stretching belt can be connected with the hollow pipe and the movable block more firmly.
Preferably, the diameter of the inner wall of the hollow pipe is matched with the height of the sliding block, the fixing band is made of composite materials, and the sliding block can rapidly move on the inner wall of the hollow pipe due to the fact that the height of the sliding block is matched with the diameter of the inner wall of the hollow pipe.
As preferred, the inner wall of pulley is seted up quantity and is two circular slide, connect the rope and run through whole loose loop, the round slot that is greater than the diameter of connecting the rope is seted up with the junction of being connected to the rocker inner wall, and two circular slide can effectually prevent to connect the rope and drop and do not influence its removal simultaneously.
Preferably, the quantity of lifting hook is two, and two lifting hooks are installed in the top and the bottom of rotatory knot relatively, and the lifting hook and the wire rope fixed connection that are located the bottom can drive wire rope tensile when removing in the bottom lifting hook wire rope connection.
The invention has the beneficial effects that: an electric tightener, which finishes the work of labor-saving fastening the whole tightener by moving a connecting rope to drive a movable block to move and an electric telescopic rod to contract to drive a fixed block to be separated from and fixed on a fixed hole, when a steel wire rope is loose, the movable block is positioned above a first gear ring, and the electric telescopic rod extends to enable the fixed block to be positioned on the inner wall of the fixed hole, then a rocker is manually rotated, the rocker moves to drive a movable ring to move on the inner wall of a protective shell, the movable ring is fixed with an installation block through a magnetic ring and a spring plate in the moving process, the fixed block rotates to drive the first gear ring to rotate, the first gear ring rotates to drive a fixed gear ring to rotate, the fixed gear ring rotates to enable a hoisting gear to rotate to contract the steel wire rope, when the fastening strength is increased, a circular ring of the connecting rope positioned on one side of the rocker is pulled to drive the movable, the fixed block moves along with the slider and the electric telescopic rod descends to contact with the stop lever, then the fixed block enters the fixed hole of the second gear ring to be fixed, and the diameter of the second gear ring is smaller than that of the first gear ring, so that the power is saved during rotation, and the fastening force is more accurate.
Drawings
FIG. 1 is an overall side view of the present invention;
FIG. 2 is a schematic view of the labor saving assembly of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 2;
FIG. 5 is an enlarged view of FIG. 2 at C according to the present invention;
FIG. 6 is a cross-sectional view of a fixed gear ring structure of the present invention.
In the figure: 1. a hook; 2. a load-bearing ring; 3. rotating the buckle; 4. fixing the rod; 5. a wire rope; 6. a hoisting gear; 7. a movable wheel; 8. a labor-saving assembly; 81. a protective housing; 82. sealing sleeves; 83. a connecting rod; 84. a fixed gear ring; 85. mounting blocks; 86. a first ring gear; 87. a fixed block; 88. an electric telescopic rod; 89. a second ring gear; 891. a fixing hole; 892. a fixing plate; 893. a torsion spring; 894. a stop lever; 895. an anti-collision pad; 810. a magnetic ring; 811. a spring plate; 812. a movable ring; 8121. a pulley; 8122. connecting ropes; 8123. a hollow tube; 8124. a roller; 8125. a rocker; 8126. fixing belts; 8127. a movable block; 8128. a slider; 8129. stretching the tape; 813. the direction is adjusted to detain.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, an electric tightener comprises a hook 1, a bearing ring 2 is fixedly mounted on the inner wall of the bottom of the hook 1, a rotary buckle 3 is fixedly mounted at the bottom end of the bearing ring 2, a fixed rod 4 is movably connected to the inner wall of the rotary buckle 3, a steel wire rope 5 is movably connected to the surface of the fixed rod 4, a movable wheel 7 is fixedly movably connected to the bottom end of the rotary buckle 3, a hoisting gear 6 is fixedly mounted on the surface of the right side of the rotary buckle 3, and a labor-saving assembly 8 is fixedly mounted on the right side of the hoisting gear 6.
Referring to fig. 2 and 6, labor-saving assembly 8 includes a protective housing 81, a sealing sleeve 82 is fixedly mounted on the left surface of protective housing 81, a connecting rod 83 is movably connected to the inner wall of sealing sleeve 82, a fixed gear ring 84 is fixedly mounted on the right side of connecting rod 83, a mounting block 85 is fixedly mounted on the right side of fixed gear ring 84, first gear rings 86 are fixedly mounted on the left sides of the top and bottom ends of fixed gear ring 84, a fixed block 87 is movably connected to the inner wall of the top of first gear ring 86, an electric telescopic rod 88 is fixedly mounted on the top of fixed block 87, a second gear ring 89 is fixedly mounted on the right side of first gear ring 86, magnetic rings 810 are fixedly mounted on the surfaces of the top and bottom ends of mounting block 85, an elastic sheet 811 is fixedly mounted on the side of magnetic ring 810 away from the vertical center line of fixed gear ring 84, a movable ring 812, the right side of the protective housing 81 is fixedly provided with a direction adjusting buckle 813, the protective housing 81 can fix the internal components thereof and has a protective function, and the connecting rod 83 is arranged to fix the fixed gear ring 84 and prevent the position from deviating in the rotating process.
Referring to fig. 3 and 4, a pulley 8121 is fixedly mounted on the left surface of the top of the movable ring 812, a connecting rope 8122 is movably connected to the inner wall of the pulley 8121, a hollow tube 8123 is fixedly mounted on the left surface of the top of the movable ring 812 and above the pulley 8121, rollers 8124 are fixedly mounted at the top end and the bottom end of the movable ring 812, a rocker 8125 is fixedly mounted on the right side of the top of the movable ring 812, a fixing band 8126 is fixedly mounted on the left side of the connecting rope 8122, a movable block 8127 is fixedly mounted on the left side of the fixing band 8126, a slider 8128 is fixedly mounted at the top end of the movable block 8127, a tensile band 8129 is fixedly mounted on the left side of the slider 8128, the hollow tube 8123 is convenient and light in weight, the installation is firmer.
Referring to fig. 5, a fixing hole 891 is formed in the inner wall of the top of the second gear ring 89, a fixing plate 892 is fixedly mounted on the right side of the top of the second gear ring 89, a torsion spring 893 is fixedly mounted on the inner wall of the top of the fixing plate 892, a stop lever 894 is fixedly mounted on the inner wall of the torsion spring 893, an anti-collision pad 895 is fixedly mounted on the left side of the stop lever 894, the fixing block 87 is conveniently fixed through the formed fixing hole 891, the torsion spring 893 can be driven to rotate by the stop lever 894 under the action of force, and the service life of the stop lever 89.
Referring to fig. 5, a bolt is connected to the bottom of the fixing plate 892 in a penetrating manner, the crash pad 895 is made of rubber, and the torsion spring 893 penetrates through the whole fixing plate 892 for installation, so that the bolt is stably connected and the fixing plate is convenient to detach.
Referring to fig. 4, semicircular rings are fixedly mounted on the left side and the right side of the stretching belt 8129, the left side of the stretching belt 8129 is fixed to the inner wall of the hollow pipe 8123, and the contact area of the semicircular rings is larger than that of the stretching belt 8129, so that the stretching belt 8129 can be connected with the hollow pipe 8123 and the movable block 8127 more firmly.
Referring to fig. 4, the diameter of the inner wall of the hollow tube 8123 is matched with the height of the sliding block 8128, the fixing band 8126 is made of a composite material, and the sliding block 8128 can move on the inner wall of the hollow tube 8123 quickly due to the fact that the height of the sliding block 8128 is matched with the diameter of the inner wall of the hollow tube 8123.
Referring to fig. 3, the inner wall of the pulley 8121 is provided with two circular slideways, the connecting rope 8122 penetrates through the whole movable ring 812, a circular groove with a diameter larger than that of the connecting rope 8122 is formed at the joint of the inner wall of the rocker 8125 and the connecting rope 8122, and the two circular slideways can effectively prevent the connecting rope 8122 from falling and simultaneously do not influence the movement of the connecting rope 8122.
Referring to fig. 1, the number of the hooks 1 is two, the two hooks 1 are oppositely installed at the top end and the bottom end of the rotating buckle 3, the hook 1 at the bottom end is fixedly connected with the steel wire rope 5, and the steel wire rope 5 connected with the hook 1 at the bottom end can drive the steel wire rope 5 to stretch when moving.
The working principle is as follows: an electric wire tightener is mainly applied to the technical field of electric power maintenance auxiliary equipment, and has the working principle that after a hook 1 above a rotating buckle 3 is clamped with a fixed object, another hook 1 is pulled to move and be fixed with a cable, tightening work is required after the fixing is finished, after a direction adjusting buckle 813 is adjusted, a steel wire rope 5 is loosened, a movable block 8127 is positioned above a first gear ring 86, an electric telescopic rod 88 extends to enable a fixed block 87 to be positioned on the inner wall of a fixed hole 891, then a rocker 8125 is manually rotated, the rocker 8125 moves to drive a movable ring 812 to move on the inner wall of a protective shell 81, the movable ring 812 is fixed with an installation block 85 through a magnetic ring 810 and an elastic sheet 811 in the moving process, the fixed block 87 rotates to drive the first gear ring 86 to rotate, the first gear ring 86 rotates to drive a fixed gear ring 84 to rotate, the fixed gear ring 84 rotates to enable a hoisting gear 6 to rotate to contract the, when the fastening strength increases, draw the ring that connects rope 8122 and be located rocker 8125 one side and make and connect rope 8122 and drive the movable block 8127 through pulley 8121 and move, electric telescopic handle 88 contracts and makes fixed block 87 and fixed orifices 891 separate this moment, fixed block 87 is along with slider 8128 removes and electric telescopic handle 88 descends and contacts with pin 894 subsequently, crashproof pad 895 atress drives pin 894 and moves, pin 894 is rotatory through torsional spring 893, torsional spring 893 drives fixed block 87 through the power of resilience and moves to the top of second ring gear 89 subsequently, fixed block 87 gets into fixed orifices 891 of second ring gear 89 and fixes subsequently, the diameter of second ring gear 89 is less than the diameter of first ring gear 86, so it is more laborsaving when manual rotation rocker 8125, make the fastening strength more accurate, can effectually carry out cable clamping work.
In summary, in the electric tightener, the movable block 8127 is driven to move by the movement of the connecting rope 8122, and the electric telescopic rod 88 contracts to drive the fixed block 87 to separate and fix from the fixed hole 891, so as to complete the work of labor-saving fastening of the whole tightener, when the steel wire rope 5 is relatively loose, the movable block 8127 is positioned above the first gear ring 86, the electric telescopic rod 88 extends to make the fixed block 87 positioned on the inner wall of the fixed hole 891, then the rocker 8125 is manually rotated, the rocker 8125 moves to drive the movable ring 812 to move on the inner wall of the protective shell 81, the movable ring 812 is fixed with the mounting block 85 through the magnetic ring 810 and the elastic sheet 811 during the moving process, the fixed block 87 rotates to drive the first gear ring 86 to rotate, the first gear ring 86 rotates to drive the fixed gear ring 84 to rotate, the fixed gear ring 84 rotates to make the lifting gear 6 rotate to contract the steel wire rope 5, when the fastening strength is increased, the circular ring positioned on one side of the rocker 8122 is pulled to make the connecting, at this moment, the electric telescopic rod 88 contracts to enable the fixing block 87 to be separated from the fixing hole 891, then the fixing block 87 moves along with the sliding block 8128 and the electric telescopic rod 88 descends to be in contact with the stop lever 894, then the fixing block enters the fixing hole 891 of the second gear ring 89 to be fixed, the diameter of the second gear ring 89 is smaller than that of the first gear ring 86, and therefore labor is saved during rotation, and the fastening force is accurate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides an electric power turn-buckle, includes lifting hook (1), its characterized in that: the bottom inner wall fixed mounting of lifting hook (1) has bearing ring (2), the bottom fixed mounting of bearing ring (2) has rotatory knot (3), the inner wall swing joint that rotatory knot (3) has dead lever (4), the surperficial swing joint of dead lever (4) has wire rope (5), the bottom fixed swing joint that rotatory knot (3) has movable wheel (7), the right side fixed surface that rotatory knot (3) has hoisting gear (6), the right side fixed mounting of hoisting gear (6) has laborsaving subassembly (8).
2. An electrical turnbuckle as claimed in claim 1, wherein: the labor-saving assembly (8) comprises a protective shell (81), a sealing sleeve (82) is fixedly mounted on the left surface of the protective shell (81), a connecting rod (83) is movably connected to the inner wall of the sealing sleeve (82), a fixed gear ring (84) is fixedly mounted on the right side of the connecting rod (83), a mounting block (85) is fixedly mounted on the right side of the fixed gear ring (84), a first gear ring (86) is fixedly mounted on the top end and the left end of the fixed gear ring (84), a fixing block (87) is movably connected to the inner wall of the top of the first gear ring (86), an electric telescopic rod (88) is fixedly mounted on the top end of the fixing block (87), a second gear ring (89) is fixedly mounted on the right side of the first gear ring (86), magnetic rings (810) are fixedly mounted on the surfaces of the top end and the bottom end of the mounting block (85), and an elastic sheet (811) is fixedly mounted on one side, away from the, one side of the elastic sheet (811) far away from the vertical center line of the fixed gear ring (84) is fixedly provided with a movable ring (812), and the right side of the protective shell (81) is fixedly provided with a direction adjusting buckle (813).
3. An electrical turnbuckle as claimed in claim 2, wherein: the utility model discloses a pulley, including activity ring (812), the left side fixed surface at activity ring (812) top has pulley (8121), the inner wall swing joint of pulley (8121) has connection rope (8122), the left side surface at activity ring (812) top just is located the top fixed mounting of pulley (8121) has hollow tube (8123), the top and the equal fixed mounting in bottom of activity ring (812) have gyro wheel (8124), the right side fixed mounting at activity ring (812) top has rocker (8125), the left side fixed mounting of connecting rope (8122) has fixed band (8126), the left side fixed mounting of fixed band (8126) has movable block (8127), the top fixed mounting of movable block (8127) has slider (8128), the left side fixed mounting of slider (8128) has tensile area (8129).
4. An electrical turnbuckle as claimed in claim 2, wherein: fixed orifices (891) have been seted up to the inner wall at second ring gear (89) top, the top right side fixed mounting of second ring gear (89) has fixed plate (892), the top inner wall fixed mounting of fixed plate (892) has torsional spring (893), the inner wall fixed mounting of torsional spring (893) has pin (894), the left side fixed mounting of pin (894) has crashproof pad (895).
5. An electrical turnbuckle as claimed in claim 4, wherein: the bottom through connection of fixed plate (892) has the bolt, crash pad (895) are the rubber material, torsional spring (893) run through whole fixed plate (892) installation.
6. An electrical turnbuckle as claimed in claim 3, wherein: the left side and the right side of the stretching belt (8129) are fixedly provided with semicircular rings, and the left side of the stretching belt (8129) is fixed with the inner wall of the hollow pipe (8123).
7. An electrical turnbuckle as claimed in claim 3, wherein: the diameter of the inner wall of the hollow pipe (8123) is matched with the height of the sliding block (8128), and the fixing belt (8126) is made of composite materials.
8. An electrical turnbuckle as claimed in claim 3, wherein: the inner wall of pulley (8121) is seted up the circular slide that quantity is two, connect rope (8122) and run through whole activity ring (812), the circular slot that is greater than connection rope (8122) diameter is seted up with the junction of being connected rope (8122) to rocker (8125) inner wall.
9. An electrical turnbuckle as claimed in claim 1, wherein: the quantity of lifting hook (1) is two, and two lifting hooks (1) are installed relatively on the top and the bottom of rotatory knot (3), and lifting hook (1) and wire rope (5) fixed connection that are located the bottom.
CN202011391485.3A 2020-12-01 2020-12-01 Electric power turn-buckle Expired - Fee Related CN112382983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011391485.3A CN112382983B (en) 2020-12-01 2020-12-01 Electric power turn-buckle

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Application Number Priority Date Filing Date Title
CN202011391485.3A CN112382983B (en) 2020-12-01 2020-12-01 Electric power turn-buckle

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CN112382983A true CN112382983A (en) 2021-02-19
CN112382983B CN112382983B (en) 2022-04-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113115551A (en) * 2021-03-24 2021-07-13 吉首市宏佳达科技有限公司 Quick radiating communication cabinet
CN113109903A (en) * 2021-03-10 2021-07-13 黄钰栋 Stripping device for live cutting of optical fiber

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120012799A1 (en) * 2009-06-30 2012-01-19 Tamotsu Iwama Wire puller
CN106549337A (en) * 2014-11-10 2017-03-29 国网浙江省电力公司湖州供电公司 A kind of tightener that can tense both threads simultaneously
CN207437288U (en) * 2017-07-08 2018-06-01 新昌县知谨纺织品有限公司 A kind of hand air pump
CN211151340U (en) * 2019-08-21 2020-07-31 扬州市工二电力机具有限公司 Ratchet wheel turn-buckle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120012799A1 (en) * 2009-06-30 2012-01-19 Tamotsu Iwama Wire puller
CN106549337A (en) * 2014-11-10 2017-03-29 国网浙江省电力公司湖州供电公司 A kind of tightener that can tense both threads simultaneously
CN207437288U (en) * 2017-07-08 2018-06-01 新昌县知谨纺织品有限公司 A kind of hand air pump
CN211151340U (en) * 2019-08-21 2020-07-31 扬州市工二电力机具有限公司 Ratchet wheel turn-buckle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113109903A (en) * 2021-03-10 2021-07-13 黄钰栋 Stripping device for live cutting of optical fiber
CN113115551A (en) * 2021-03-24 2021-07-13 吉首市宏佳达科技有限公司 Quick radiating communication cabinet

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