CN212011927U - Wire grip - Google Patents
Wire grip Download PDFInfo
- Publication number
- CN212011927U CN212011927U CN202020801071.2U CN202020801071U CN212011927U CN 212011927 U CN212011927 U CN 212011927U CN 202020801071 U CN202020801071 U CN 202020801071U CN 212011927 U CN212011927 U CN 212011927U
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- Prior art keywords
- gear
- fixing plate
- tightener
- rotating shaft
- fixed plate
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Abstract
The utility model discloses a wire grip, which relates to the technical field of electric power construction tools and comprises a first fixed plate and a second fixed plate which are connected with a positioning hook, wherein a roller for winding a steel wire rope is arranged between the first fixed plate and the second fixed plate through a rotating shaft, and the steel wire rope is connected with a drag hook; one end of the rotating shaft extends out of the outer side of the first fixing plate and is provided with a ratchet wheel, and a pawl is hinged to the first fixing plate; the other end of the rotating shaft extends out of the outer side of the second fixing plate and is sequentially provided with a first gear, a second gear and a hexagon nut; a supporting shaft is arranged on the second fixing plate, a third gear and a fourth gear which are respectively meshed with the first gear and the second gear are arranged on the supporting shaft, and the transmission ratio of the first gear and the third gear is the same as that of the fourth gear and the second gear. Compared with the prior art, the utility model discloses when using, pass through the sleeve joint with electric spanner on hexagon nut, thereby the rotatory taut cable of wire rope of convoluteing of driving drum, operating personnel's low in labor strength, work efficiency increases substantially.
Description
Technical Field
The utility model belongs to the technical field of electric power construction tool technique and specifically relates to a turn-buckle for taut electric power cable.
Background
Tighteners, also known as ratchet tighteners, are used to tighten cables in the laying of overhead electrical lines. The existing commonly used wire tightener comprises a first fixed plate and a second fixed plate which are connected with a positioning hook and are oppositely arranged, wherein a roller for winding a steel wire rope is arranged between the first fixed plate and the second fixed plate through a rotating shaft, and the steel wire rope is connected with a drag hook; one end of the rotating shaft extends out of the outer side of the first fixing plate and is provided with a ratchet wheel and a lifting gear, a pawl for preventing the ratchet wheel from reversing is hinged to the first fixing plate, the lifting gear is connected with a handle for driving the lifting gear to rotate, and a reversing hook matched with the lifting gear is hinged to the handle. When the cable winding device is used, forward and reverse gear positions can be switched through the reversing hook, the handle is pulled to enable the hoisting gear to rotate, the rotary drum is driven to rotate through the rotary shaft to enable the steel wire rope to be wound on the rotary drum, the steel wire rope is tightened to tighten the cable, and the steel wire rope is loosened after operation is completed. The wire grip has the following defects in the using process: because the electric power cable is heavier, and the overhead line is a lot moreover, adopts to pull the hand (hold) and strains the cable, and operating personnel's intensity of labour is big, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a turn-buckle is provided, it can be solved and adopt to pull the hand (hold) and take-up the cable, and operating personnel's intensity of labour is big, problem that work efficiency is low.
In order to solve the above problem, the utility model discloses a technical scheme is: the wire tightener comprises a first fixing plate and a second fixing plate which are connected with a positioning hook and are arranged oppositely, wherein a roller for winding a steel wire rope is arranged between the first fixing plate and the second fixing plate through a rotating shaft, and the steel wire rope is connected with a draw hook; one end of the rotating shaft extends out of the outer side of the first fixing plate and is provided with a ratchet wheel, and a pawl for preventing the ratchet wheel from reversing is hinged to the first fixing plate; a first gear, a second gear and a hexagon nut are sequentially arranged at the other end of the rotating shaft, which extends out of the outer side of the second fixing plate; a support shaft is arranged on the second fixing plate, a third gear and a fourth gear which are respectively in meshing transmission with the first gear and the second gear are arranged on the support shaft, and the transmission ratio of the first gear and the third gear is the same as that of the fourth gear and the second gear.
In the above technical solution of the wire grip, a more specific technical solution may also be: the number of teeth of the first gear is the same as that of the fourth gear, and the number of teeth of the second gear is the same as that of the third gear.
Furthermore, the supporting shaft is fixed on the outer side of the second fixing plate through a supporting plate, and the supporting plate is provided with a plurality of reinforcing rods connected with the first fixing plate and the second fixing plate.
Further, sliding bearings are installed between the third gear, the fourth gear and the supporting shaft.
Furthermore, be equipped with on the second fixed plate and be located first gear, the second gear, the third gear, the outside protection casing of fourth gear, the protection casing with the corresponding position of pivot is equipped with the through-hole, hexagon nut installs the pivot is worn out the outer end of through-hole.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses the other end of pivot stretches out the second fixed plate outside and is equipped with first gear, second gear and hexagon nut in proper order, be equipped with on the back shaft respectively with first gear, the driven third gear of second gear meshing and fourth gear, the drive ratio of first gear, third gear is the same with the drive ratio of fourth gear, second gear. When the cable winding device is used, the electric wrench is clamped on the hexagon nut through the sleeve, the electric wrench drives the rotating shaft to rotate to drive the roller to wind the steel wire rope, so that the cable is tensioned, and the steel wire rope is loosened after the operation is completed. Adopt electric spanner to strain the cable, operating personnel's low in labor strength, work efficiency increases substantially. Through first gear and third gear meshing transmission, fourth gear and second gear meshing transmission have increased electric spanner's moment of torsion.
2. The number of teeth of the first gear is the same as that of the fourth gear, the number of teeth of the second gear is the same as that of the third gear, and the gear rack is simple in structure, easy to machine and low in manufacturing cost.
3. The supporting shaft is fixed on the outer side of the second fixing plate through the supporting plate, and the supporting plate is provided with a plurality of reinforcing rods connected with the first fixing plate and the second fixing plate, so that the supporting shaft is firm to mount and reliable to work.
4. Sliding bearings are arranged between the third gear and the support shaft and between the fourth gear and the support shaft, so that the third gear and the fourth gear can rotate flexibly.
5. Be equipped with the outside protection casing that is located first gear, second gear, third gear, fourth gear on the second fixed plate, avoid colliding with these gears in the operation process, guarantee operating personnel safety.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the engagement of the second gear and the fourth gear in the embodiment of the present invention.
Detailed Description
The invention will be described in more detail with reference to the following embodiments:
as shown in fig. 1 and 2, the wire grip comprises a first fixing plate 2 and a second fixing plate 19 which are connected with a positioning hook 1 and are arranged oppositely, a roller 7 for winding a steel wire rope 11 is arranged between the first fixing plate 2 and the second fixing plate 19 through a rotating shaft 6, and the steel wire rope 11 is connected with a drag hook 10. One end of the rotating shaft 6 extends out of the outer side of the first fixing plate 2 and is provided with a ratchet wheel 4 and a hoisting gear 5, a pawl 3 for preventing the ratchet wheel 4 from reversing is hinged on the first fixing plate 2, the hoisting gear 5 is connected with a handle 9 for driving the hoisting gear 5 to rotate, and a reversing hook 8 matched with the hoisting gear 5 is hinged on the handle 9. The other end of the rotating shaft 6 extends out of the second fixing plate 19 and is sequentially provided with a first gear 12, a second gear 13 and a hexagonal nut 14, a gasket is arranged between the hexagonal nut 14 and the second gear 13, and an axial limiting cotter pin for the hexagonal nut 14 is arranged at the outer end of the rotating shaft 6, which is positioned at the hexagonal nut 14. The supporting shaft 15 is mounted on the second fixing plate 19, the supporting shaft 15 is fixed on the outer side of the second fixing plate 19 through a support plate 18, the support plate 18 is provided with two reinforcing rods 20 which are connected with the first fixing plate 2 and the second fixing plate 19, and the two reinforcing rods 20 are oppositely arranged and welded with the first fixing plate 2 and the second fixing plate. The supporting shaft 15 is provided with a third gear 16 and a fourth gear 17 which are respectively meshed with the first gear 12 and the second gear 13 for transmission, and the supporting shaft 15 is provided with a gasket and a cotter pin which are positioned at the outer end of the fourth gear 17 and used for axially limiting the fourth gear 17. Sliding bearings are arranged between the third gear 16, the fourth gear 17 and the supporting shaft 15, and the transmission ratio of the first gear 12 and the third gear 16 is the same as that of the fourth gear 17 and the second gear 13. The number of teeth of the first gear 12 is greater than that of the second gear 13, the number of teeth of the first gear 12 is the same as that of the fourth gear 17, and the number of teeth of the second gear 13 is the same as that of the third gear 16. The second fixing plate 19 is provided with a protective cover 21 positioned outside the first gear 12, the second gear 13, the third gear 16 and the fourth gear 17, a through hole is formed in the position of the protective cover 21 corresponding to the rotating shaft 6, and the hexagonal nut 14 is installed at the outer end of the rotating shaft 6 penetrating through the through hole.
During the use, pass through the sleeve joint with electric spanner on hexagon nut 14, electric spanner drive pivot 6 is rotatory to drive cylinder 7 coiling wire rope 11 to taut cable, after the operation is accomplished, switches the gear through reversing hook 8, and wire rope 11 is loosened in the reversal. Adopt electric spanner to strain the cable, operating personnel's low in labor strength, work efficiency increases substantially. The torque of the electric wrench is increased by the meshed transmission of the first gear 12 and the third gear 16 and the meshed transmission of the fourth gear 17 and the second gear 13.
Claims (9)
1. A wire tightener comprises a first fixing plate (2) and a second fixing plate (19) which are connected with a positioning hook (1) and are arranged oppositely, wherein a roller (7) for winding a steel wire rope (11) is arranged between the first fixing plate (2) and the second fixing plate (19) through a rotating shaft (6), and the steel wire rope (11) is connected with a draw hook (10); one end of the rotating shaft (6) extends out of the outer side of the first fixing plate (2) and is provided with a ratchet wheel (4), and a pawl (3) for preventing the ratchet wheel (4) from reversing is hinged to the first fixing plate (2); the method is characterized in that: the other end of the rotating shaft (6) extends out of the outer side of the second fixing plate (19) and is sequentially provided with a first gear (12), a second gear (13) and a hexagonal nut (14); a supporting shaft (15) is arranged on the second fixing plate (19), a third gear (16) and a fourth gear (17) which are respectively in meshing transmission with the first gear (12) and the second gear (13) are arranged on the supporting shaft (15), and the transmission ratio of the first gear (12) and the third gear (16) is the same as that of the fourth gear (17) and the second gear (13).
2. The tightener of claim 1, wherein: the number of teeth of the first gear (12) is the same as the number of teeth of the fourth gear (17), and the number of teeth of the second gear (13) is the same as the number of teeth of the third gear (16).
3. The tightener according to claim 1 or 2, characterized in that: the supporting shaft (15) is fixed on the outer side of the second fixing plate (19) through a support plate (18), and the support plate (18) is provided with a plurality of reinforcing rods (20) which are connected with the first fixing plate (2) and the second fixing plate (19).
4. The tightener according to claim 1 or 2, characterized in that: sliding bearings are arranged between the third gear (16), the fourth gear (17) and the supporting shaft (15).
5. The tightener as defined in claim 3, wherein: sliding bearings are arranged between the third gear (16), the fourth gear (17) and the supporting shaft (15).
6. The tightener according to claim 1 or 2, characterized in that: be equipped with on second fixed plate (19) and be located first gear (12), second gear (13) third gear (16) outside protection casing (21) of fourth gear (17), protection casing (21) with the corresponding position of pivot (6) is equipped with the through-hole, hexagonal nut (14) are installed pivot (6) are worn out the outer end of through-hole.
7. The tightener as defined in claim 3, wherein: be equipped with on second fixed plate (19) and be located first gear (12), second gear (13) third gear (16) outside protection casing (21) of fourth gear (17), protection casing (21) with the corresponding position of pivot (6) is equipped with the through-hole, hexagonal nut (14) are installed pivot (6) are worn out the outer end of through-hole.
8. The tightener as defined in claim 4, wherein: be equipped with on second fixed plate (19) and be located first gear (12), second gear (13) third gear (16) outside protection casing (21) of fourth gear (17), protection casing (21) with the corresponding position of pivot (6) is equipped with the through-hole, hexagonal nut (14) are installed pivot (6) are worn out the outer end of through-hole.
9. The tightener of claim 5, wherein: be equipped with on second fixed plate (19) and be located first gear (12), second gear (13) third gear (16) outside protection casing (21) of fourth gear (17), protection casing (21) with the corresponding position of pivot (6) is equipped with the through-hole, hexagonal nut (14) are installed pivot (6) are worn out the outer end of through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801071.2U CN212011927U (en) | 2020-05-14 | 2020-05-14 | Wire grip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801071.2U CN212011927U (en) | 2020-05-14 | 2020-05-14 | Wire grip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212011927U true CN212011927U (en) | 2020-11-24 |
Family
ID=73411044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020801071.2U Expired - Fee Related CN212011927U (en) | 2020-05-14 | 2020-05-14 | Wire grip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212011927U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591645A (en) * | 2020-12-03 | 2021-04-02 | 国网河南省电力公司新县供电公司 | Wire tightener and wire tightening method |
| CN113659486A (en) * | 2021-07-12 | 2021-11-16 | 扬州维益电力机具有限公司 | High-tensile rotary connector and using method thereof |
| CN113708296A (en) * | 2021-09-27 | 2021-11-26 | 国网山东省电力公司潍坊供电公司 | Double-end insulation wire tightener for opening and closing linear rod |
| CN113991539A (en) * | 2021-11-18 | 2022-01-28 | 广西电网有限责任公司南宁供电局 | Double-drive wire tightener |
| CN118017399A (en) * | 2024-04-08 | 2024-05-10 | 国网山东省电力公司泰安供电公司 | Transmission line tightening device and use method |
-
2020
- 2020-05-14 CN CN202020801071.2U patent/CN212011927U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591645A (en) * | 2020-12-03 | 2021-04-02 | 国网河南省电力公司新县供电公司 | Wire tightener and wire tightening method |
| CN113659486A (en) * | 2021-07-12 | 2021-11-16 | 扬州维益电力机具有限公司 | High-tensile rotary connector and using method thereof |
| CN113659486B (en) * | 2021-07-12 | 2022-09-30 | 扬州维益电力机具有限公司 | High-tensile rotary connector and using method thereof |
| CN113708296A (en) * | 2021-09-27 | 2021-11-26 | 国网山东省电力公司潍坊供电公司 | Double-end insulation wire tightener for opening and closing linear rod |
| CN113991539A (en) * | 2021-11-18 | 2022-01-28 | 广西电网有限责任公司南宁供电局 | Double-drive wire tightener |
| CN118017399A (en) * | 2024-04-08 | 2024-05-10 | 国网山东省电力公司泰安供电公司 | Transmission line tightening device and use method |
| CN118017399B (en) * | 2024-04-08 | 2024-06-04 | 国网山东省电力公司泰安供电公司 | Transmission line tightening device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |