CN108233265B - Double-hook wire grip for electric power and use method - Google Patents
Double-hook wire grip for electric power and use method Download PDFInfo
- Publication number
- CN108233265B CN108233265B CN201810035700.2A CN201810035700A CN108233265B CN 108233265 B CN108233265 B CN 108233265B CN 201810035700 A CN201810035700 A CN 201810035700A CN 108233265 B CN108233265 B CN 108233265B
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- sleeve
- silk thread
- operating rod
- collector
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 8
- 230000008602 contraction Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods 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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- Basic Packing Technique (AREA)
Abstract
The invention relates to a double-hook wire tightener for electric power and a using method thereof. The first-stage sleeve is connected with the second-stage sleeve through threads, and the second-stage sleeve is connected with the second-stage sleeve through sliding fit. A pre-tightening control device and a tightening operating rod are arranged on the outer side of the primary sleeve. The telescopic device can lengthen the contraction length of the sleeve, realize quick pre-tightening and slow final tightening, and the operating rod can conveniently control two processes and can be controlled in a two-way mode. The operating rod and the sleeve are provided with the connecting device, so that the operating rod can be prevented from falling off during high-altitude operation, and the device is safe, reliable and convenient to operate.
Description
Technical Field
The invention belongs to the field of electric power construction tighteners, and particularly relates to a double-hook tightener for electric power.
Background
The existing transmission line operation tightener mainly comprises a double-hook tightener, a chain block tightener, a ratchet wheel tension tightener and the like. The calabash tightener has the defects of unlimited telescopic distance, low check tonnage and overlarge weight. The structure of present double hook turn-buckle is mostly the sleeve and takes the lead screw of hook to match the structure with, is fixed with ratchet on the sleeve, has the twist grip with the ratchet cooperation, and it is rotatory to drive the sleeve through the ratchet, and two lead screws of taking the hook move to the sleeve middle part and realize the effect of tight line under the effect of screw thread. The double-hook wire grip has the advantages of light weight and convenience in operation, but has the defects of limited telescopic distance and high labor intensity of operators.
Disclosure of Invention
The invention relates to a double-hook wire grip for electric power and a using method thereof, aiming at improving the problems of limited telescopic distance and high labor intensity of the double-hook wire grip.
The specific technical scheme of the invention is as follows:
a double-hook wire grip for electric power comprises a primary sleeve, wherein the primary sleeve is in threaded connection with a secondary sleeve, a plurality of protruding keys are arranged inside the secondary sleeve along the axial direction, the keys are matched with key grooves of an excircle shaft of a tertiary sleeve, and hook claws are arranged at the outer end of the tertiary sleeve; the middle part of the primary sleeve is circumferentially provided with a plurality of ratchets, the outside of the primary sleeve is provided with an operating rod matched with the ratchets, the end part of the operating rod is an arc, the diameter of the arc is larger than or equal to that of the outer arc of the ratchets, the operating rod is fixed in an operating rod fixing block, and the fixing block is fixed on a fixing plate of the support frame in a sliding manner; a pre-tightening device is arranged in the primary sleeve, the pre-tightening device comprises a silk thread collector arranged at the central part of the primary sleeve and a silk thread wound on the silk thread collector, two ends of the silk thread collector are provided with rod bodies of gears, the middle part of each rod body is provided with a through hole for threading, two ends of the silk thread collector are respectively meshed with racks, the upper end parts of the racks are matched with a pre-tightening control device, the pre-tightening control device comprises a driving wheel meshed with the racks, and the driving wheel is arranged on the support frame; the diameters of the driving wheel and the gears at the two ends of the silk thread collector are the same, and the modulus of the driving wheel is larger than that of the gears at the two ends of the silk thread collector; the two ends of the silk thread are fixedly connected with a fixing plate in the third-stage sleeve, a baffle is fixedly arranged in the second-stage sleeve, the silk thread penetrates through the center of the fixing baffle, and a spring is arranged between the fixing plate and the baffle; the rack slideway is arranged on the support frame.
Furthermore, the modulus of the upper part of the rack is the same as that of the driving wheel, and the modulus of the lower part of the rack is the same as that of the gears at the two ends of the silk thread collector.
Furthermore, the middle of the through hole of the silk thread collector is provided with a bend, so that the friction force between the silk thread and the silk thread collector is increased.
Furthermore, the hook claw is fixedly connected with a locking plate, and the inner side end of the locking plate is fixedly connected with a spring.
Furthermore, a rotating handle is arranged on the outer side of the driving wheel.
Further, the operating rod can rotate in the operating rod fixing block.
Furthermore, the cross section of the ratchet of the primary sleeve is trapezoidal.
Further, a fixed plate of the support frame is provided with an arc-shaped slide way, and a protruding slide block is arranged on the back of the fixed block and can slide in the slide way of the fixed plate.
The invention has the beneficial effects that:
1. the double-hook wire grip for electric power comprises a primary sleeve, wherein the primary sleeve is in threaded connection with a secondary sleeve, a plurality of protruding keys are arranged inside the secondary sleeve along the axial direction, the keys are matched with key grooves of an outer circular shaft of a tertiary sleeve, and the arrangement of the tertiary sleeve can increase the usable length of the wire grip and enlarge the use range.
2. The invention relates to a primary sleeve and a secondary sleeve which are in threaded connection, the secondary sleeve and a tertiary sleeve are in sliding connection with a key groove, a pre-tightening device is arranged in the primary sleeve and comprises a silk collector arranged at the central part of the primary sleeve and a silk wound on the silk collector, gear rod bodies are arranged at two ends of the silk collector, through holes for threading are arranged in the middle of the rod bodies, racks are respectively meshed at two ends of the silk collector, the upper end parts of the racks are meshed with a driving wheel, two ends of the silk are fixedly connected with a fixed plate in the tertiary sleeve, a baffle is fixedly arranged in the secondary sleeve, the silk passes through the center of the fixed baffle, a spring is arranged between the fixed plate and the baffle, and the sliding connection of the secondary sleeve and the tertiary sleeve is matched with the pre-tightening device, the three-stage sleeve is quickly retracted and extended through the silk threads, and quick pre-tightening operation and slow follow-up tightening operation can be simultaneously realized.
3. The diameter of a driving wheel of the pre-tightening control device is the same as that of gears at two ends of a silk thread collector, and the modulus of the driving wheel is larger than that of the gears at two ends of the silk thread collector; the modulus of the upper part of the rack is the same as that of the driving wheel, the modulus of the lower part of the rack is the same as that of the gears at two ends of the silk thread collector, namely the density and the number of the teeth of the upper part and the lower part of the rack are different, the gears of the driving wheel and the silk thread collector are meshed respectively, the driving wheel is driven to rotate for a few turns, the silk thread collector is driven to rotate for a plurality of turns, the silk thread is quickly tightened, and therefore space occupation is reduced.
4. The middle part of the through hole of the silk thread collector in the silk thread collecting device is provided with a bend, so that the friction force between the silk thread and the silk thread collector is increased, and the silk thread is prevented from slipping when being screwed tightly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a pre-tightening device;
in the figure: the device comprises a first-stage sleeve 1, a second-stage sleeve 2, a third-stage sleeve 3, a hook 4, a silk thread 5, a silk thread tightener 6, a rack 7, a baffle 8, a fixing plate 9, a support frame 10, a driving wheel 11 and an operating rod 12.
Detailed Description
The following detailed description of the specific technical solutions of the present invention is made with reference to the accompanying drawings and embodiments:
a double-hook wire tightener for electric power and a use method thereof are disclosed, as shown in figure 1, the double-hook wire tightener comprises a primary sleeve 1, wherein the primary sleeve 1 is provided with an internal thread and is connected with a secondary sleeve 2 through a thread, the outer circumference of the secondary sleeve 2 is provided with an external thread, a plurality of keys penetrating through the secondary sleeve 2 are axially arranged inside the secondary sleeve, the keys are matched with a key groove of an outer circular shaft of a tertiary sleeve 3, a claw 4 is fixedly arranged at the outer end part of the tertiary sleeve 3, a locking plate is fixedly connected to the claw 4, a spring is fixedly connected to the inner side end of the locking plate, and a stay wire is locked to ensure the.
A plurality of ratchets are arranged at the middle part of the primary sleeve 1 along the circumference, and the cross section of each ratchet is in a trapezoidal shape; an operating rod 12 matched with the ratchet is arranged outside the primary sleeve 1, the end part of the operating rod 12 is an arc, the diameter of the arc is larger than or equal to that of the outer arc of the ratchet, the end part of the arc is wedge-shaped, and the angle of the wedge is matched with that of the root of the ratchet. The operating rod 12 is fixed in the operating rod fixing block, and the operating rod 12 can rotate in the fixing block to change the direction; the fixed block is fixed on the fixed plate of the support frame 10 in a sliding manner; the fixed plate of the support frame 10 is provided with an arc-shaped slide way, and the back of the fixed block is provided with a protruding slide block which can slide in the slide way of the fixed plate.
The novel silk thread winding device is characterized in that a pre-tightening device is arranged inside the first-stage sleeve 1 and comprises a silk thread collector 6 arranged at the center of the first-stage sleeve 1 and a silk thread 5 wound on the silk thread collector 6, gear bodies are arranged at two ends of the silk thread collector 6, a through hole used for threading is formed in the middle of each rod body, a bend is arranged in the middle of each through hole, and friction force between the silk thread and the silk thread collector 6 is increased. The both ends of silk thread and the fixed plate fixed connection in tertiary sleeve 3, the fixed baffle 8 that is provided with in the second grade sleeve 2, silk thread 5 passes from the center of fixed baffle 8, install the spring between fixed plate and the baffle 8, pop out tertiary sleeve when being convenient for begin to use. As shown in fig. 2, two ends of the yarn collector 6 are respectively engaged with a rack 7, the upper end of the rack 7 is engaged with a pre-tightening control device, the pre-tightening control device comprises a driving wheel 11 engaged with the rack 7, and the driving wheel 11 is arranged on a supporting frame 10; the diameters of the gears at the two ends of the driving wheel 11 and the silk thread collector 6 are the same, the modulus of the driving wheel 11 is larger than that of the gears at the two ends of the silk thread collector 6, the modulus of the upper part of the rack 7 is the same as that of the driving wheel 11, and the modulus of the lower part of the rack 7 is the same as that of the gears at the two ends of the silk thread collector 6. The purpose is that the silk thread collector 6 can be tightened as soon as possible by realizing fewer turns of rotation of the driving wheel and more turns of rotation of the silk thread collector. The rack 7 slideway is arranged on the support frame 10, the rotating handle is arranged on the outer side of the driving wheel 11, and the rotating handle drives the rack 7 to slide up and down in the slideway.
When the cable hook is used, the handle on the driving wheel 11 is rotated reversely, the tertiary sleeve pops out of the secondary sleeve under the action of the spring, the secondary sleeve is screwed out of the primary sleeve by rotating the operating rod 12, and a cable needing pre-tightening is hooked in the hook claw 4. Rotatory action wheel 11 drive rack 7 downstream, and then drive silk thread collector 6 rotatory, twine the silk thread on silk thread collector 6, and under silk thread 5's effect, the spring between compression fixed plate 9 and the baffle 8, the inside key of second grade sleeve 2 slides in tertiary telescopic 3's keyway, with tertiary sleeve 3 withdrawal to second grade sleeve 2 in, tighten up the operation in advance after finishing. And then rotating the operating rod 12 in the operating rod fixing block for 180 degrees, converting the direction, swinging the operating rod 12, driving the ratchet wheel on the primary sleeve 1 to rotate the primary sleeve 1, and slowly screwing the secondary sleeve 2 into the primary sleeve 1 along with the rotation of the primary sleeve 1 to finish the wire tightening operation.
Claims (9)
1. The utility model provides a double hook turn-buckle for electric power which characterized in that: the novel mechanical wrench is characterized by comprising a primary sleeve (1), wherein the primary sleeve (1) is in threaded connection with a secondary sleeve (2), a plurality of protruding keys are axially arranged inside the secondary sleeve (2), the keys are matched with key grooves of an outer circular shaft of a tertiary sleeve (3), and a claw (4) is arranged at the outer end of the tertiary sleeve (3); the middle part of the primary sleeve (1) is circumferentially provided with a plurality of ratchets, an operating rod (12) matched with the ratchets is arranged outside the primary sleeve (1), the end part of the operating rod (12) is an arc, the diameter of the arc is larger than or equal to that of the outer arc of the ratchets, the operating rod (12) is fixed in a fixed block of the operating rod (12), and the fixed block is fixed on a fixed plate of the support frame (10) in a sliding manner; a pre-tightening device is arranged in the primary sleeve (1), the pre-tightening device comprises a silk thread collector (6) arranged at the central part of the primary sleeve (1) and a silk thread (5) wound on the silk thread collector (6), gear rods are arranged at two ends of the silk thread collector (6), a through hole for threading is formed in the middle of each rod, racks (7) are respectively meshed at two ends of the silk thread collector (6), the upper end parts of the racks (7) are matched with a pre-tightening control device, the pre-tightening control device comprises driving wheels (11) meshed with the racks (7), and the driving wheels (11) are arranged on a support frame (10); the diameters of the gears at the two ends of the driving wheel (11) and the silk thread collector (6) are the same, and the modulus of the driving wheel (11) is larger than that of the gears at the two ends of the silk thread collector (6); the two ends of the silk thread are fixedly connected with a fixing plate in the third-stage sleeve (3), a baffle (8) is fixedly arranged in the second-stage sleeve (2), the silk thread (5) penetrates through the center of the fixing baffle (8), and a spring is arranged between the fixing plate and the baffle (8); the rack (7) slideway is arranged on the support frame (10).
2. The electric double-hook turnbuckle according to claim 1, wherein: the modulus of the upper part of the rack (7) is the same as that of the driving wheel (11), and the modulus of the lower part of the rack (7) is the same as that of gears at two ends of the silk thread collector (6).
3. The electric double hook turnbuckle according to claim 1 or 2, characterized in that: the middle of the through hole of the silk thread collector (6) is provided with a bend, so that the friction force between the silk thread and the silk thread collector (6) is increased.
4. The electric double hook turnbuckle according to claim 1 or 2, characterized in that: the hook claw (4) is fixedly connected with a locking plate, and the inner side end of the locking plate is fixedly connected with a spring.
5. A double hook turnbuckle for electric power as claimed in claim 3, wherein: the outer side of the driving wheel (11) is provided with a rotating handle.
6. A double hook turnbuckle for electric power as claimed in claim 3, wherein: the operating rod (12) can rotate in the fixed block of the operating rod (12).
7. The electric double hook turnbuckle according to claim 5 or 6, characterized in that: the cross section of the ratchet of the primary sleeve (1) is trapezoidal.
8. The electric double hook turnbuckle according to claim 1, 5 or 6, wherein: the fixed plate of the support frame (10) is provided with an arc-shaped slide way, and the back of the fixed block is provided with a protruding slide block which can slide in the slide way of the fixed plate.
9. A method of using a double hook turnbuckle for electrical power according to any one of claims 1 to 8, the method comprising the steps of: the handle on the driving wheel (11) is rotated reversely, under the action of the spring, the tertiary sleeve (3) pops out of the secondary sleeve (2), the secondary sleeve is screwed out of the primary sleeve (1) by rotating the operating rod (12), and the cable needing to be pre-tightened is hooked in the claw (4); the rotary driving wheel (11) drives the rack (7) to move downwards, so that the silk thread collector (6) is driven to rotate, silk threads are wound on the silk thread collector (6), a spring between the fixing plate (9) and the baffle (8) is compressed under the action of the silk threads (5), keys inside the secondary sleeve (2) slide in key grooves of the tertiary sleeve (3), the tertiary sleeve (3) is retracted into the secondary sleeve (2), and pre-tightening operation is completed; rotating an operating rod (12) for 180 degrees in an operating rod fixing block, converting the direction, swinging the operating rod (12), driving a ratchet wheel on the primary sleeve (1) to rotate the primary sleeve (1), and slowly screwing the secondary sleeve (2) into the primary sleeve (1) along with the rotation of the primary sleeve (1) to finish the wire tightening operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035700.2A CN108233265B (en) | 2018-01-15 | 2018-01-15 | Double-hook wire grip for electric power and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035700.2A CN108233265B (en) | 2018-01-15 | 2018-01-15 | Double-hook wire grip for electric power and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108233265A CN108233265A (en) | 2018-06-29 |
| CN108233265B true CN108233265B (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810035700.2A Expired - Fee Related CN108233265B (en) | 2018-01-15 | 2018-01-15 | Double-hook wire grip for electric power and use method |
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| Country | Link |
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| CN (1) | CN108233265B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963874A (en) * | 2018-07-14 | 2018-12-07 | 高恒萍 | A kind of transmission line of electricity pendency restringing clamp device |
| CN108832543A (en) * | 2018-07-14 | 2018-11-16 | 高恒萍 | A kind of transmission line of electricity clamp device |
| CN112467627A (en) * | 2020-11-27 | 2021-03-09 | 贾应荣 | Automatic wire tightening device for wire body during high-voltage wire erection |
| CN114171940A (en) * | 2021-12-02 | 2022-03-11 | 贵州电网有限责任公司 | Device and method for preventing short circuit of low-voltage line |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206505Y (en) * | 1994-10-31 | 1995-08-30 | 包钢供电厂 | Alligatoring wire take-up device |
| CN2778968Y (en) * | 2005-03-02 | 2006-05-10 | 嘉善东方电力机具制造有限公司 | Tightener with ratchet mechanism |
| CN202944942U (en) * | 2012-10-19 | 2013-05-22 | 江苏省电力公司连云港供电公司 | Ground wire winding auxiliary device |
| CN204258163U (en) * | 2014-11-05 | 2015-04-08 | 国网河南省电力公司济源供电公司 | Wire grip |
| JP2017217876A (en) * | 2016-06-09 | 2017-12-14 | 株式会社アルティマ | Fitting tool |
| CN206393536U (en) * | 2016-12-16 | 2017-08-11 | 国家电网公司 | A kind of electric operating double-hook wire grip |
| CN206331163U (en) * | 2016-12-21 | 2017-07-14 | 河北省通信建设有限公司 | A kind of communications network service special optical cable turnbuckle |
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2018
- 2018-01-15 CN CN201810035700.2A patent/CN108233265B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN108233265A (en) | 2018-06-29 |
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