CN202050194U - Screw tightener - Google Patents
Screw tightener Download PDFInfo
- Publication number
- CN202050194U CN202050194U CN2011201172632U CN201120117263U CN202050194U CN 202050194 U CN202050194 U CN 202050194U CN 2011201172632 U CN2011201172632 U CN 2011201172632U CN 201120117263 U CN201120117263 U CN 201120117263U CN 202050194 U CN202050194 U CN 202050194U
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- CN
- China
- Prior art keywords
- screw
- bevel gear
- screw rod
- trapezoidal screw
- tightener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A screw tightener comprises an outer sleeve (10) and a trapezoidal screw (3) arranged in the outer sleeve. Upper and lower forked joints (2 and 20) and fixing pins (1) thereof are arranged at two ends of the screw tightener respectively, the upper forked joint (2) at one end of the screw tightener is screwed with the trapezoidal screw (3) capable of moving in the outer sleeve (10), and the lower forked joint (20) at the other end of the screw tightener has the closed bottom and supports the other end of the trapezoidal screw (3) through a bearing (19). The screw tightener further comprises a nut driving unit and a taper gear driving unit, wherein the nut driving unit is formed at the bottom end of the upper forked joint (2) of the trapezoidal screw (3), the taper gear driving unit is formed at the bottom end of the lower forked joint (20) of the trapezoidal screw (3), and a ratchet wrench (16) is arranged on the axial outside of a taper gear shaft (14). The trapezoidal screw of the screw tightener has small helical angle and has a self-locking function. The screw tightener has the advantages of simple structure, light weight, small size, high gear driving efficiency, convenience in operation and maintenance and safety in use.
Description
Technical field
The utility model relates to high-tension line stringing instrument, more specifically relates to the screw rod tightener 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.
The utility model content
For addressing the above problem, the utility model provides a kind of energy to be suitable for the screw rod tightener 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 utility model is taked is:
A kind of screw rod tightener 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 tightener 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 tightener 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:
Bevel gear shaft 14 axial arranged outside have ratchet spanner 16.
According to described screw rod tightener described in the utility model, it is characterized in that the bearing cap end face has feather key, feather key can outwards move.
According to described screw rod tightener described in the utility model, it is characterized in that described thrust bearing 5 is arranged between bearing cap and the guiding nut.
According to described screw rod tightener described in the utility model, it is characterized in that described spanner is a reversible ratcheting tool.
According to described screw rod tightener described in the utility model, 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 tightener described in the utility model, 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 tightener described in the utility model, 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 tightener described in the utility model, 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 utility model 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 tightener structural representation of the present utility model.
Fig. 2 is a screw rod tightener outline drawing of the present utility model.
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 tightener of the present utility model is described further.
Embodiment 1
The screw rod tightener that a kind of high-voltage line stringing stringing is used comprises outer sleeve 10 and interior trapezoidal screw 3 thereof.Described screw rod tightener 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 tightener 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 tightener 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 tightener was operated, the last forked element 2 of screw rod tightener 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 tightener 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 tightener described in the utility model, simple in structure, weight, volume are little; In addition, the helical angle of the trapezoidal screw of screw rod tightener of the present utility model 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 tightener 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 tightener 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 tightener 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 tightener 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 tightener according to claim 1 is characterized in that, described thrust bearing (5) is arranged between bearing cap and the guiding nut.
4. screw rod tightener as claimed in claim 1 is characterized in that, described spanner is a reversible ratcheting tool.
5. screw rod tightener 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 tightener 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 tightener 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 |
|---|---|---|---|
| CN2011201172632U CN202050194U (en) | 2011-04-20 | 2011-04-20 | Screw tightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201172632U CN202050194U (en) | 2011-04-20 | 2011-04-20 | Screw tightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050194U true CN202050194U (en) | 2011-11-23 |
Family
ID=44990488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201172632U Expired - Fee Related CN202050194U (en) | 2011-04-20 | 2011-04-20 | Screw tightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290746A (en) * | 2011-04-20 | 2011-12-21 | 上海市电力公司 | Screw tightening device |
| CN111300465A (en) * | 2020-02-06 | 2020-06-19 | 北京凡川智能机器人科技有限公司 | Interface capable of quickly replacing tail end tool for robot |
-
2011
- 2011-04-20 CN CN2011201172632U patent/CN202050194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290746A (en) * | 2011-04-20 | 2011-12-21 | 上海市电力公司 | Screw tightening device |
| CN111300465A (en) * | 2020-02-06 | 2020-06-19 | 北京凡川智能机器人科技有限公司 | Interface capable of quickly replacing tail end tool for robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120717 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Co-patentee after: Shanghai Jiulong Electric Power (Group) Co., Ltd. Patentee after: Shanghai Electric Power Corporation Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Co-patentee before: Shanghai Electric Power Live Working Technology Development Co., Ltd. Patentee before: Shanghai Electric Power Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20190420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |