CN102290746A - Screw tightening device - Google Patents
Screw tightening device Download PDFInfo
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- CN102290746A CN102290746A CN2011100991551A CN201110099155A CN102290746A CN 102290746 A CN102290746 A CN 102290746A CN 2011100991551 A CN2011100991551 A CN 2011100991551A CN 201110099155 A CN201110099155 A CN 201110099155A CN 102290746 A CN102290746 A CN 102290746A
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- bevel gear
- screw
- screw rod
- bearing
- forked element
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Abstract
The invention relates to a screw tightening device which comprises an outer sleeve (10) and a trapezoidal screw (3) arranged in the outer sleeve; an upper forked connector and a lower forked connector (2, 20) for tightening and connection and shaft pins (1) for fixation are arranged at two ends of the screw tightening device; the bottom of the upper forked connector at one end is in threaded connection with the ladder-shaped screw (3) which can move in the outer sleeve (10); the lower forked connector (20) at the other end is closed; and a bearing (19) is used for bearing the other end of the ladder-shaped screw (3). The screw tightening device comprises a nut driving unit and a bevel gear driving unit, wherein the nut driving unit is formed at the end of the bottom of the upper forked connector (2) of the ladder-shaped screw (3), and the bevel gear driving unit is formed at the end of the bottom of the lower forked connector (2) of the ladder-shaped screw (3) at the bottom of the end of the lower forked connector (20); and a ratchet wrench (16) is arranged at the axial outer side of a bevel gear (14). The screw tightening device has the advantages of small helical angle of the ladder-shaped screw, self-locking function, simple structure, light weight, small volume, high transmission efficiency of a gear, convenience in operation and maintenance and safety.
Description
Technical field
The present invention relates to high-tension line stringing instrument, more specifically relate to screw rod stringing device as tightening device of circuit stringing.
Background technology
Up to now, when carrying out the high-voltage line stringing, use multiple stringing instrument or device, for example, multi-functional wire grip is arranged, ratchet spooler, double hook wire grip, steel wire wire grip wire grip, a tiger wire grip, ratchet Lever Blocks, chain chain block, rope traction cucurbit etc.Yet, described multiple stringing instrument or device or lack auto-lock function, or structure is numerous and diverse, weight, volume are big, or gear-driven efficiency is not high, the screw mandrel rising or falling speed makes us dissatisfied, or operation, maintenance is inconvenient, security reliability is poor.
For this reason, the high-voltage line stringing adopts hydraulic wire grip often recently, yet because the field work of high-voltage line stringing, environmental condition is poor, leakage of oil easily, maintenance difficult.
Summary of the invention
For addressing the above problem, the invention provides a kind of energy and be suitable for the screw rod stringing device simple in structure, easy to operate, flexible, safe and reliable that open-air high-tension line air line working is used.
For addressing the above problem, the technical scheme that the present invention takes is:
A kind of screw rod stringing device is used for the high-voltage line stringing and tightens up usefulness, comprises outer sleeve 10 and the interior drive socket 9 and the trapezoidal screw 3 that can move relative to outer sleeve 10 thereof, it is characterized in that,
Described screw rod stringing device two ends are respectively and tighten up the upper and lower forked element 2,20 that connects usefulness, and screw is offered in described forked element 2 bottoms of going up, the trapezoidal screw 3 that is used to be spirally connected, and described trapezoidal screw 3 connects and can move with respect to drive socket 9,
Following forked element 20 bottom locks of the described screw rod stringing device other end, with bearing 19 supporting trapezoidal screws 3 one ends,
Described trapezoidal screw 3 near on one section in forked element 2 bottom portions, be provided with a nut gear unit that places in the uni-drive gear box 6,
Described nut gear unit comprises:
By thrust bearing 5 and trapezoidal screw 3 peripheries be spirally connected the guiding nut 7 of transmission, by the drive socket 9 that the nut key 8 that is embedded at guiding nut 7 peripheries is fixedlyed connected with guiding nut 7, described drive socket 9 extends to following forked element 20 bottoms of trapezoidal screw 3 other ends,
The trapezoidal screw 3 that is supported on down forked element 20 end bottom sides with bearing 19 is formed with a Bevel Gear Transmission unit that places gear box 18,
Described Bevel Gear Transmission unit comprises:
According to described screw rod stringing device of the present invention, it is characterized in that the bearing cap end face has feather key, feather key can outwards move.
According to described screw rod stringing device of the present invention, it is characterized in that described thrust bearing 5 is arranged between bearing cap and the guiding nut.
According to described screw rod stringing device of the present invention, it is characterized in that described spanner is a reversible ratcheting tool.
According to described screw rod stringing device of the present invention, it is characterized in that forked element 2 bottom end are provided for sealing the bearing cap 4 of uni-drive gear box 6 on trapezoidal screw 3, described Bevel Gear Transmission unit is arranged in the gear box 18.
According to described screw rod stringing device of the present invention, it is characterized in that last forked element 2 is provided with connecting hole, the stringing that is spirally connected in the connecting hole connects with pivot pin 1,
According to screw rod stringing device of the present invention, it is characterized in that, be provided with lining 17 between the bevel gear 12 of described Bevel Gear Transmission unit and the bearing 19.
According to screw rod stringing device of the present invention, simple in structure, weight, volume are little; In addition, the helical angle of the trapezoidal screw of tightening device of circuit stringing of the present invention is little, the gear-driven efficiency height, and the trapezoidal screw rising or falling speed is fast, has auto-lock function.The operation, easy to maintenance, reliability is high; In addition, reversible ratcheting tool is on the center line of stringing tightening device, does not collide near high-tension bus-bar, handling safety.
Description of drawings
Fig. 1 is a screw rod stringing apparatus structure schematic diagram of the present invention.
Fig. 2 is a screw rod stringing device outline drawing of the present invention.
Among the figure, 1 is pivot pin, and 2 is last forked element, and 3 is trapezoidal screw, 4 is bearing cap, and 5 is thrust bearing, and 6 is drive socket, and 7 is guiding nut, 8 is the nut key, and 9 is drive socket, and 10 is outer sleeve, 11 is that gear key 12 is bevel gear, and 13 is bearing holder (housing, cover), and 14 is bevel gear shaft, 15 is back-up ring, and 16 is reversible ratcheting tool, and 17 is lining, 18 is gear box, and 19 is bearing, and 20 are following forked element.
Embodiment
Below in conjunction with the drawings and specific embodiments, screw rod stringing device of the present invention is described further.
Embodiment 1
The screw rod stringing device that a kind of high-voltage line stringing stringing is used comprises outer sleeve 10 and interior trapezoidal screw 3 thereof.Described screw rod stringing device two ends are to tighten up the last forked element 2,20 that connects usefulness and be interspersed in described interior, the fixing pivot pin 1 of usefulness of forked element 2 connecting holes of going up.Screw is offered in last forked element 2 bottoms of described screw rod stringing device one end, is used to the trapezoidal screw 3 that is spirally connected and can moves in outer sleeve 10, and following forked element 20 bottom locks of the described screw rod stringing device other end are with bearing 19 supporting trapezoidal screws 3 other ends.The trapezoidal screw 3 (epimere) that is bolted in forked element 2 bottom portions is formed with a nut gear unit.
Described nut gear unit comprises:
In the uni-drive gear box 6, uni-drive gear box 6, by thrust bearing 5, with trapezoidal screw 3 peripheries be spirally connected nut key 8, nationality that guiding nut 7, the caulking groove of transmission be arranged at guiding nut 7 peripheries by the promotion of guiding nut 7 can be along trapezoidal screw 3 outsides, the drive sockets 9 that move in the outer sleeve 10.Described drive socket 9 extends to following forked element 20 bottoms of trapezoidal screw 3 other ends, and the trapezoidal screw 3 (hypomere) that is fixed in following forked element 20 bottom portions that is spirally connected is formed with a Bevel Gear Transmission unit.
Described Bevel Gear Transmission unit comprises:
Be arranged at the bevel gear 12 in the gear box 18 and the bevel gear shaft 14 of Vertical Meshing transmission, bevel gear 12 connects drive socket 9 with gear key 11, bevel gear shaft 14 is by bearing holder (housing, cover) 13 and bevel gear 12 Vertical Meshing transmissions, bevel gear shaft 14 axial arranged outside axles connections ratchet spanner 16 arranged.
In the present embodiment, the bearing cap end face has feather key, and feather key can outwards move.One thrust bearing 5 is arranged between bearing cap and the guiding nut.
In the present embodiment, described spanner is a reversible ratcheting tool, and described Bevel Gear Transmission unit is arranged in the gear box 18.
In the present embodiment, forked element 2 bottom end are provided for sealing the bearing cap 4 of uni-drive gear box 6 on trapezoidal screw 3.The sleeve blind end place of described trapezoidal screw is provided with feather key.
In the present embodiment, when described screw rod stringing device was operated, the last forked element 2 of screw rod stringing device one end tangled high-voltage line, and other end forked element tangles brandreth as stiff end.
The rock back and forth two-way ratchet handle of tightening device of circuit stringing can drive the Bevel Gear Transmission unit by two-way ratchet and rotate the Bevel Gear Transmission unit rotational to a direction.That is, bevel gear shaft 14 is by bearing holder (housing, cover) 13 and bevel gear 12 Vertical Meshing transmissions, and bevel gear 12 is rotated, and the drive sockets 9 that drive can be along trapezoidal screw 3 outsides, move in the outer sleeve 10 rotate.Nut key 8 and guiding nut 7 and the trapezoidal screw 3 of drive socket 9 by being arranged at guiding nut 7 peripheries is spirally connected, make trapezoidal screw 3 move relative to drive socket 9 up and down, the moving relative to drive socket 9 up and down of trapezoidal screw 3, forked element 2 moves up and down in the drive, and last forked element 2 moves up and down its high-voltage line that tangles tension.
As shown in the figure, stretch on the trapezoidal screw of screw rod stringing device or descend, only need to change the direction of reversible ratcheting tool 11, trapezoidal screw 7 just can on stretch or descend.
According to screw rod stringing device of the present invention, simple in structure, weight, volume are little; In addition, the helical angle of the trapezoidal screw of screw rod stringing device of the present invention is little, the gear-driven efficiency height, and the trapezoidal screw rising or falling speed is fast, has auto-lock function.The operation, easy to maintenance, reliability is high; In addition, reversible ratcheting tool is on the center line of stringing tightening device, does not collide near high-tension bus-bar, handling safety.
Claims (7)
1. a screw rod stringing device is used for the high-voltage line stringing and tightens up usefulness, comprises outer sleeve (10) and the interior drive socket (9) and the trapezoidal screw (3) that can move relative to outer sleeve (10) thereof, it is characterized in that,
Described screw rod stringing device two ends are respectively and tighten up the upper and lower forked element (2,20) that connects usefulness, and screw is offered in described forked element (2) bottom of going up, and the trapezoidal screw (3) that is used to be spirally connected, described trapezoidal screw (3) connect and can move with respect to drive socket (9),
Following forked element (20) bottom lock of the described screw rod stringing device other end, with bearing (19) supporting trapezoidal screw (3) one ends,
Near last forked element (2) bottom portion, be provided with a nut gear unit that places in the uni-drive gear box (6) at described trapezoidal screw (3),
Described nut gear unit comprises:
The drive socket (9) that is spirally connected the guiding nut (7) of transmission, fixedlys connected with guiding nut (7) by the nut key (8) that is embedded at guiding nut (7) periphery by thrust bearing (5) and trapezoidal screw (3) periphery, described drive socket (9) extends to following forked element (20) bottom of trapezoidal screw (3) other end
The trapezoidal screw (3) that is supported on down forked element (20) end bottom side with bearing (19) is formed with a Bevel Gear Transmission unit that places gear box (18),
Described Bevel Gear Transmission unit comprises:
Bevel gear (12) reaches by the bevel gear shaft (14) of bearing holder (housing, cover) (13) with bevel gear (12) engaged transmission, and bevel gear (12) connects drive socket (9) with gear key (11),
Bevel gear shaft (14) axially arranged outside has ratchet spanner (16).
2. screw rod stringing device according to claim 1 is characterized in that the bearing cap end face has feather key, and feather key can outwards move.
3. screw rod stringing device according to claim 1 is characterized in that described thrust bearing (5) is arranged between bearing cap and the guiding nut.
4. screw rod stringing device as claimed in claim 1 is characterized in that described spanner is a reversible ratcheting tool.
5. screw rod stringing device as claimed in claim 1 is characterized in that, is provided for sealing the bearing cap (4) of uni-drive gear box (6) in last forked element (2) bottom end of trapezoidal screw (3), and described Bevel Gear Transmission unit is arranged in the gear box (18).。
6. screw rod stringing device according to claim 1 is characterized in that last forked element (2) is provided with connecting hole, and the stringing that is spirally connected in the connecting hole connects with pivot pin (1),
7. screw rod stringing device according to claim 1 is characterized in that, is provided with lining (17) between the bevel gear (12) of described Bevel Gear Transmission unit and the bearing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100991551A CN102290746A (en) | 2011-04-20 | 2011-04-20 | Screw tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100991551A CN102290746A (en) | 2011-04-20 | 2011-04-20 | Screw tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102290746A true CN102290746A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100991551A Pending CN102290746A (en) | 2011-04-20 | 2011-04-20 | Screw tightening device |
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|---|---|
| CN (1) | CN102290746A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652612A (en) * | 2012-05-17 | 2012-09-05 | 邢逸凡 | Multilayer dining table |
| CN103219670A (en) * | 2013-03-30 | 2013-07-24 | 国家电网公司 | Novel automatic centering clamp for adjusting strain insulator string |
| CN104386560A (en) * | 2014-10-31 | 2015-03-04 | 江苏泰隆减速机股份有限公司 | Elevator connected by square cotter |
| CN110797801A (en) * | 2019-11-20 | 2020-02-14 | 国网山东省电力公司烟台市牟平区供电公司 | Electric power construction tensioner bullwheel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02303306A (en) * | 1989-05-18 | 1990-12-17 | Sanwa Tekki Corp | Tight wire lifter |
| CN2821970Y (en) * | 2005-09-09 | 2006-09-27 | 周宏琪 | Wire tensioning screw lifting device |
| CN101882769A (en) * | 2010-07-01 | 2010-11-10 | 上海市电力公司超高压输变电公司 | Tightener for stringing of high-voltage lines |
| CN202050194U (en) * | 2011-04-20 | 2011-11-23 | 上海市电力公司 | Screw tightener |
-
2011
- 2011-04-20 CN CN2011100991551A patent/CN102290746A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02303306A (en) * | 1989-05-18 | 1990-12-17 | Sanwa Tekki Corp | Tight wire lifter |
| CN2821970Y (en) * | 2005-09-09 | 2006-09-27 | 周宏琪 | Wire tensioning screw lifting device |
| CN101882769A (en) * | 2010-07-01 | 2010-11-10 | 上海市电力公司超高压输变电公司 | Tightener for stringing of high-voltage lines |
| CN202050194U (en) * | 2011-04-20 | 2011-11-23 | 上海市电力公司 | Screw tightener |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652612A (en) * | 2012-05-17 | 2012-09-05 | 邢逸凡 | Multilayer dining table |
| CN103219670A (en) * | 2013-03-30 | 2013-07-24 | 国家电网公司 | Novel automatic centering clamp for adjusting strain insulator string |
| CN103219670B (en) * | 2013-03-30 | 2016-08-24 | 国家电网公司 | A kind of tune strain insulator-string automatic aligning fixture |
| CN104386560A (en) * | 2014-10-31 | 2015-03-04 | 江苏泰隆减速机股份有限公司 | Elevator connected by square cotter |
| CN104386560B (en) * | 2014-10-31 | 2016-08-31 | 江苏泰隆减速机股份有限公司 | The elevator that a kind of square cotter connects |
| CN110797801A (en) * | 2019-11-20 | 2020-02-14 | 国网山东省电力公司烟台市牟平区供电公司 | Electric power construction tensioner bullwheel |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JIULONG ELECTRIC POWER (GROUP) CO., LTD. Free format text: FORMER OWNER: SHANGHAI ELECTRIC POWER TECHNOLOGY DEVELOPMENT CO., LTD.;SUZHOU AIJIAN PORCELAIN CO.,LTD.;SHANGHAI SOUTH POWER SUPPLY ENGINEERING CO., LTD. Effective date: 20120717 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120717 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Co-applicant after: Shanghai Jiulong Electric Power (Group) Co., Ltd. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Co-applicant before: Shanghai Electric Power Live Working Technology Development Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. SHANGHAI JIULONG ELECTRIC Free format text: FORMER OWNER: SHANGHAI JIULONG ELECTRIC POWER (GROUP) CO., LTD. Effective date: 20121019 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20121019 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Jiulong Electric Power (Group) Co., Ltd. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiulong Electric Power (Group) Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |