CN203734217U - Overhead line live wire tightener for changing straight wire to tension wire - Google Patents
Overhead line live wire tightener for changing straight wire to tension wire Download PDFInfo
- Publication number
- CN203734217U CN203734217U CN201420043445.3U CN201420043445U CN203734217U CN 203734217 U CN203734217 U CN 203734217U CN 201420043445 U CN201420043445 U CN 201420043445U CN 203734217 U CN203734217 U CN 203734217U
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- Prior art keywords
- tight rope
- driving gear
- wire
- gear
- mechanisms
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 239000012211 strain insulator Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000272165 Charadriidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model discloses an overhead line live wire tightener for changing a straight wire to a tension wire. The wire tighter comprises a fixed bracket, two rope tightening mechanisms, a driving gear, a transmission handle, two traction ropes and two movable trolleys; the two rope tightening mechanisms respectively include a driven gear, a stopping ratchet, a pawl, and a rope tightening reel; the rope tightening reel is rotatably mounted on the fixed bracket; the driven gear and the stopping ratchet are respectively linked with the rope tightening reel in a coaxial manner; the pawl is rotatably mounted on the fixed bracket, and is meshed with the stopping ratchet; the two rope tightening reels are respectively through the traction rope connected with the two movable trolleys; and the driving gear is simultaneously meshed with the driven gear of the two rope tightening mechanisms, and is linked with the transmission handle, so as to drive the rope tightening reel of the two rope tightening mechanisms to rotate to achieve two-way traction and tightening of the wire. According to the utility model, with the above structure being adopted, the wire tightener is provided with the bidirectional wire tightening function; and only one operator is required to realize the wire tightening operation, and the safety and reliability are realized.
Description
Technical field
The utility model relates to a kind of electric power tool, particularly relates to a kind of overhead transmission line straight line and changes the charged wire grip of strain insulator.
Background technology
At present, be widely used in the built on stilts distribution line straight line of 10kV and change the charged stringing instrument that strain insulator is used, more is to adopt insulation belt wire grip or nonisulated steel cable wire grip, and field operation mode is generally the straight line pole both sides at strain insulator to be changed into, operate with one group of stringing instrument wire that carries out tightly, breaks by operation hand on two insulation bucket arm wagon boxes is each respectively.But this operation procedure is various and complicated, as operation hand mismate on two buckets, probably affect job safety.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of overhead transmission line straight line to change the charged wire grip of strain insulator, and it has two-way stringing function, and only needs an operation hand can realize stringing operation, safe and reliable.
The utility model solves the technical scheme that its technical problem adopts: a kind of overhead transmission line straight line changes the charged wire grip of strain insulator, comprises fixed support, two tight rope mechanisms, driving gear, driving handle, two pull ropes and two fly blocks; Two tight rope mechanisms comprise respectively driven gear, stop gear, ratchet and tight rope reel, tight rope reel is rotatably installed on fixed support, driven gear and stop gear respectively with tight rope reel coaxial linkage, ratchet is rotatably installed on fixed support, and is meshed with stop gear; Two tight rope reels are connected with two fly blocks by pull rope respectively; Driving gear is meshed with the driven gear of two tight rope mechanisms simultaneously, and is connected with driving handle, realizes bivector traction stringing can drive the tight rope reel of two tight rope mechanisms to rotate simultaneously.
Further, described driving gear is fixedly installed in driving handle, and the shaft core position of the described driving gear rotating shaft core that stretches out; The center of the corresponding described two driven gear lines of described fixed support is provided with a central shaft hole, the rotating shaft core of described driving gear is actively plugged in this central shaft hole, form the rotating fulcrum of described driving gear, described driving gear is meshed with described two driven gears simultaneously.
Further, described fixed support is also provided with two eccentric pivot holes, and this two eccentric pivot hole is corresponding one by one with described two driven gears respectively, the rotating shaft core of described driving gear is actively plugged in one of them of two eccentric pivot holes, form the rotating fulcrum of described driving gear, the described driving gear driven gear corresponding with this eccentric pivot hole is meshed.
Further, described fixed support comprises two wallboards, at least two pillars and clamping plate, and the two ends of each pillar are fixed in respectively two wallboards, makes two wallboard spaces; The tight rope reel of described two tight rope mechanisms rotates respectively between the relative inner that is installed on two wallboards, and the driven gear of described two tight rope mechanisms and stop gear are respectively at the outside of a wallboard wherein and corresponding tight rope reel coaxial linkage; The ratchet of clamping plate and described two tight rope mechanisms is installed on respectively this wherein outside of a wallboard, and described central shaft hole and described two eccentric pivot holes are arranged at respectively these clamping plate.
Further, between the ratchet of described two tight rope mechanisms, be connected with spring.
Further, described fly block comprises the connection bracket that can connect conductor clamp and the roller that is installed on this connection bracket, one end of the pull rope of described two tight rope mechanisms is individually fixed in described fixed support, and the other end is fixed on described tight rope reel after walking around respectively the roller of described fly block.
Further, described connection bracket comprises two insulation connecting plates and two joint pins, and two insulation connecting plates are fixing separately by two joint pins, and described roller is between two insulation connecting plates, and movable set is in a joint pin wherein.
Further, the diameter of the driven gear of described two tight rope mechanisms is greater than respectively the diameter of described driving gear.
The beneficial effects of the utility model are:
1, it adopts the wire grip that fixed support, two tight rope mechanisms (two tight rope mechanisms comprise respectively driven gear, stop gear, ratchet, tight rope reel), driving gear, two pull ropes, two fly blocks and driving handle form, there is two-way stringing function, can synchronously tighten up the wire of (loosening) electric pole both sides, and only need coordinate the operation hand process that can fulfil assignment, safer, reliable.
2, because its driving gear is fixedly installed in driving handle, and the shaft core position of the driving gear rotating shaft core that stretches out, the center of the corresponding two driven gear lines of fixed support is provided with a central shaft hole and two eccentric pivot holes, the rotating shaft core of driving gear is actively plugged in respectively one of them of central shaft hole or two eccentric pivot holes, form the rotating fulcrum of driving gear while transmission two driven gears or independent transmission one driven gear, make the utility model also there is the function that unidirectional stringing regulates, , the utility model is except can synchronously tightening up the wire of (loosening) electric pole both sides, can also tighten up the one-sided wire of (loosening) electric pole.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of overhead transmission line straight line of the present utility model changes the charged wire grip of strain insulator is not limited to embodiment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged diagram of fixed support of the present utility model and two tight rope mechanisms part;
Fig. 3 is the generalized section of fixed support part of the present utility model;
Fig. 4 is the generalized section of fly block of the present utility model.
Embodiment
Embodiment, refer to shown in Fig. 1-Fig. 4, a kind of overhead transmission line straight line of the present utility model changes the charged wire grip of strain insulator, comprises fixed support 1, two tight rope mechanisms 2, driving gear (not embodying in figure), driving handle (not embodying in figure), two pull ropes 3 and two fly blocks 4.Two tight rope mechanisms 2 comprise respectively driven gear 22, stop gear 23, ratchet 24, tight rope reel 21.In each tight rope mechanism 2, tight rope reel 21 is rotatably installed on fixed support 1, driven gear 22 and stop gear 23 respectively with tight rope reel 21 coaxial linkages, ratchet 24 is rotatably installed on fixed support 1, and is meshed with stop gear 23.Two tight rope reels 21 are connected with two fly blocks 4 by pull rope 3 respectively; The diameter of driving gear is less than the diameter of two driven gears 22, and this driving gear is meshed with the driven gear 22 of two tight rope mechanisms 2 simultaneously, and is connected with driving handle, realizes bivector traction stringing can drive the tight rope reel 21 of two tight rope mechanisms 2 to rotate simultaneously.
Preferred as one, above-mentioned driving gear is fixedly installed in one end of driving handle, and the shaft core position of the driving gear rotating shaft core that stretches out; The center of corresponding two driven gear 22 lines of fixed support 1 is provided with a central shaft hole 14, and the rotating shaft core of driving gear is actively plugged in this central shaft hole 14, forms the rotating fulcrum of driving gear, and driving gear is meshed with two driven gears 22 simultaneously.
Preferred as one, above-mentioned fixed support 1 is also provided with two eccentric pivot holes 15, and this two eccentric pivot hole 15 is corresponding one by one with two driven gears 22 respectively, the rotating shaft core of driving gear is actively plugged in one of them of two eccentric pivot holes 15, the rotating fulcrum that forms driving gear, is meshed the driving gear driven gear corresponding with this eccentric pivot hole 15 22.
Preferred as one, above-mentioned fixed support 1 comprises two aluminium alloy wallboards 11, at least two pillars 12 and clamping plate 13, and the two ends of each pillar 12 are fixed in respectively two wallboards 11, make two wallboard 11 spaces, the space that is formed for installing tight rope reel 21.The tight rope reel 21 of above-mentioned two tight rope mechanisms 2 adopts respectively axle sleeve to rotate and is installed between the relative inner of this two wallboard 11, concrete, and two tight rope reels 21 are left and right and distribute.23 of the driven gear 22 of two tight rope mechanisms 2 and stop gears are respectively at the outside of a wallboard wherein and corresponding tight rope reel 21 coaxial linkages; The ratchet 24 of clamping plate 13 and two tight rope mechanisms 2 is installed on respectively this wherein outside of a wallboard, and above-mentioned central shaft hole 14 and two eccentric pivot holes 15 are arranged at respectively this clamping plate 13.
Preferred as one, between the ratchet 24 of above-mentioned two tight rope mechanisms 2, be connected with spring 25.
Preferred as one, as shown in Figure 4, fly block 4 comprises the connection bracket that can connect conductor clamp and the roller 43 that is installed on this connection bracket, concrete connection bracket comprises two insulation connecting plates 41 and two joint pins 42, two insulation connecting plates 41 are fixing separately by two joint pins 42, roller 43 is between two insulation connecting plates 41, and movable set is in a joint pin 42 wherein.One end of the pull rope 3 of above-mentioned two tight rope mechanisms 2 is individually fixed in fixed support 1 (being specifically fixed on the pillar 12 of fixed support 1), and the other end is fixed on corresponding tight rope reel 21 after walking around respectively the roller 43 of fly block 4.
A kind of overhead transmission line straight line of the present utility model changes the charged wire grip of strain insulator, when field operation, adopts conductor clamp that its two fly block 4 is connected with the wire of electric pole both sides.In the time making the rotating shaft core of the driving gear on driving handle be plugged in the central shaft hole 14 of clamping plate 13, this driving gear can be meshed in the driven gear 22 of its both sides simultaneously, now, rotate driving handle, can make the driving gear driven gear 22 of transmission two tight rope mechanisms 2 simultaneously, thereby drive the tight rope reel 21 of two tight rope mechanisms 2 to rotate, the pull rope 3 of Shi Liang tight rope mechanism 2 is wound in respectively corresponding tight rope reel 21, thereby tightens up the wire of electric pole both sides simultaneously.
When the rotating shaft core of driving gear being plugged in to the eccentric pivot hole 15 in clamping plate 13 left sides, and while rotating driving handle, the driven gear 22 in driving gear transmission fixed support 1 left side, thus drive the tight rope reel 21 in left side to rotate, and then tighten up the wire in electric pole left side.When the rotating shaft core of driving gear being plugged in to the eccentric pivot hole 15 on clamping plate 13 right sides, and while rotating driving handle, the driven gear 22 on driving gear transmission fixed support 1 right side, thus drive the tight rope reel 21 on right side to rotate, and then tighten up the wire in electric pole left side.
A kind of overhead transmission line straight line of the present utility model changes the charged wire grip of strain insulator, and in the process that its each tight rope reel 21 rotates, corresponding spline ratchet 23 and then rotates, and ratchet 24 is meshed with spline ratchet 23.In the time that driving handle stops driving driving gear to rotate, ratchet 24 blocks the ratchet of spline ratchet 23, makes tight rope reel 21 splines.In the time need to loosening the wire of electric pole one or both sides, only need Compress Spring 25, make ratchet 24 ends depart from the ratchet of spline ratchet 23.In the time decontroling spring 25, ratchet 24 automatically resets to being meshed with spline ratchet 23 under the restoring force effect of spring 25.
Above-described embodiment is only used for further illustrating a kind of overhead transmission line straight line of the present utility model and changes the charged wire grip of strain insulator; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection range of technical solutions of the utility model.
Claims (8)
1. overhead transmission line straight line changes the charged wire grip of strain insulator, it is characterized in that: comprise fixed support, two tight rope mechanisms, driving gear, driving handle, two pull ropes and two fly blocks; Two tight rope mechanisms comprise respectively driven gear, stop gear, ratchet and tight rope reel, tight rope reel is rotatably installed on fixed support, driven gear and stop gear respectively with tight rope reel coaxial linkage, ratchet is rotatably installed on fixed support, and is meshed with stop gear; Two tight rope reels are connected with two fly blocks by pull rope respectively; Driving gear is meshed with the driven gear of two tight rope mechanisms simultaneously, and is connected with driving handle, realizes bivector traction stringing can drive the tight rope reel of two tight rope mechanisms to rotate simultaneously.
2. overhead transmission line straight line according to claim 1 changes the charged wire grip of strain insulator, it is characterized in that: described driving gear is fixedly installed in driving handle, and the shaft core position of the described driving gear rotating shaft core that stretches out; The center of the corresponding described two driven gear lines of described fixed support is provided with a central shaft hole, the rotating shaft core of described driving gear is actively plugged in this central shaft hole, form the rotating fulcrum of described driving gear, described driving gear is meshed with described two driven gears simultaneously.
3. overhead transmission line straight line according to claim 2 changes the charged wire grip of strain insulator, it is characterized in that: described fixed support is also provided with two eccentric pivot holes, and this two eccentric pivot hole is corresponding one by one with described two driven gears respectively, the rotating shaft core of described driving gear is actively plugged in one of them of two eccentric pivot holes, form the rotating fulcrum of described driving gear, the described driving gear driven gear corresponding with this eccentric pivot hole is meshed.
4. overhead transmission line straight line according to claim 3 changes the charged wire grip of strain insulator, it is characterized in that: described fixed support comprises two wallboards, at least two pillars and clamping plate, and the two ends of each pillar are fixed in respectively two wallboards, makes two wallboard spaces; The tight rope reel of described two tight rope mechanisms rotates respectively between the relative inner that is installed on two wallboards, and the driven gear of described two tight rope mechanisms and stop gear are respectively at the outside of a wallboard wherein and corresponding tight rope reel coaxial linkage; The ratchet of clamping plate and described two tight rope mechanisms is installed on respectively this wherein outside of a wallboard, and described central shaft hole and described two eccentric pivot holes are arranged at respectively these clamping plate.
5. overhead transmission line straight line according to claim 1 changes the charged wire grip of strain insulator, it is characterized in that: between the ratchet of described two tight rope mechanisms, be connected with spring.
6. overhead transmission line straight line according to claim 1 changes the charged wire grip of strain insulator, it is characterized in that: described fly block comprises the connection bracket that can connect conductor clamp and the roller that is installed on this connection bracket, one end of the pull rope of described two tight rope mechanisms is individually fixed in described fixed support, and the other end is fixed on described tight rope reel after walking around respectively the roller of described fly block.
7. overhead transmission line straight line according to claim 6 changes the charged wire grip of strain insulator, it is characterized in that: described connection bracket comprises two insulation connecting plates and two joint pins, two insulation connecting plates are fixing separately by two joint pins, described roller is between two insulation connecting plates, and movable set is in a joint pin wherein.
8. overhead transmission line straight line according to claim 1 changes the charged wire grip of strain insulator, it is characterized in that: the diameter of the driven gear of described two tight rope mechanisms is greater than respectively the diameter of described driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043445.3U CN203734217U (en) | 2014-01-23 | 2014-01-23 | Overhead line live wire tightener for changing straight wire to tension wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043445.3U CN203734217U (en) | 2014-01-23 | 2014-01-23 | Overhead line live wire tightener for changing straight wire to tension wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734217U true CN203734217U (en) | 2014-07-23 |
Family
ID=51204263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043445.3U Expired - Fee Related CN203734217U (en) | 2014-01-23 | 2014-01-23 | Overhead line live wire tightener for changing straight wire to tension wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734217U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025934A (en) * | 2016-06-08 | 2016-10-12 | 国网山东省电力公司临朐县供电公司 | Double-hook, double-tooth and double-wire tightener |
| CN106711862A (en) * | 2017-03-20 | 2017-05-24 | 国网山东省电力公司龙口市供电公司 | Line tensioning device of power overhead line and method thereof |
| CN110416921A (en) * | 2019-07-30 | 2019-11-05 | 国网河南省电力公司商丘供电公司 | A kind of fixed track usage plan construction ratchet tightener |
| CN111952886A (en) * | 2020-07-22 | 2020-11-17 | 国网河北省电力有限公司邯郸供电分公司 | 10kV overhead line tight wiring device |
-
2014
- 2014-01-23 CN CN201420043445.3U patent/CN203734217U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025934A (en) * | 2016-06-08 | 2016-10-12 | 国网山东省电力公司临朐县供电公司 | Double-hook, double-tooth and double-wire tightener |
| CN106711862A (en) * | 2017-03-20 | 2017-05-24 | 国网山东省电力公司龙口市供电公司 | Line tensioning device of power overhead line and method thereof |
| CN110416921A (en) * | 2019-07-30 | 2019-11-05 | 国网河南省电力公司商丘供电公司 | A kind of fixed track usage plan construction ratchet tightener |
| CN110416921B (en) * | 2019-07-30 | 2024-05-10 | 国网河南省电力公司商丘供电公司 | Ratchet tightening device for overhead construction of line |
| CN111952886A (en) * | 2020-07-22 | 2020-11-17 | 国网河北省电力有限公司邯郸供电分公司 | 10kV overhead line tight wiring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20220123 |