CN204497671U - Anti-race line multi-state releasing pulley - Google Patents
Anti-race line multi-state releasing pulley Download PDFInfo
- Publication number
- CN204497671U CN204497671U CN201520250218.2U CN201520250218U CN204497671U CN 204497671 U CN204497671 U CN 204497671U CN 201520250218 U CN201520250218 U CN 201520250218U CN 204497671 U CN204497671 U CN 204497671U
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- pulley
- supporting bracket
- chain wheel
- left chain
- releasing pulley
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Abstract
The utility model relates to anti-race line multi-state releasing pulley, comprises releasing pulley frame, pulley and position-limit mechanism; Releasing pulley frame comprises wheel shaft, regulating sleeve is sleeved on wheel shaft, pulley is arranged on regulating sleeve, the two ends of wheel shaft are arranged in left chain wheel supporting bracket and right pulley supporting bracket respectively, left chain wheel supporting bracket is fixedly connected with by upper junction plate with right pulley supporting bracket top, and top is fixedly linked by lower connecting plate; Position-limit mechanism comprises the two pieces of limiting plates in left and right, two limiting plates are hinged in the top groove of left chain wheel supporting bracket and right pulley supporting bracket by bearing pin respectively, one end of pull bar is connected to the top of limiting plate by rotating shaft, the other end is connected with position limiting slide block, and position limiting slide block is arranged in the chute of left chain wheel supporting bracket and right pulley supporting bracket.When there is pull rope fracture accident, towing plate moves towards the opposite direction of lead, and now limiting plate is closed under the extruding of towing plate, limits the movement of towing plate, effectively limits the scope of running line accident.
Description
Technical field
The utility model relates to a kind of anti-race line multi-state releasing pulley used for transmission line, belongs to electricity power engineering power transmission and transformation line construction appliance technical field.
Background technology
In transmission line Poling Construction, run line accident and happen occasionally, it to refer in the stretching system of foundation (or element) slippage of certain link or disconnection and lands after causing rope or line slippage, and this phenomenon is fault the most serious in tension stringing.Once there is wire to run the accident of line in line construction, conductive line surfaces will be made to produce wearing and tearing, in transmission of electric energy process afterwards, easily produce corona, cause the harm such as the waste of electric energy and audible noise.Continue construction after running line on the other hand and also again will draw wire, greatly cause the waste of man power and material, add construction period.If wire needs by online side of insulating in distraction procedure, now once there is pull rope fracture accident, towing plate is due to heavier-weight, it may exceed insulation net maximum load capacity when clashing into insulation net, damaged line facility, cause short circuit accident, likely can cause the casualty accident of Research Work of Power Transmission Line personnel most serious of all.This invention effectively can limit the scope of running line accident in transmission line Poling Construction and can be applicable to the operating mode of varying number bundle conductor traction.
Summary of the invention
The purpose of this utility model is to provide a kind of anti-race line multi-state releasing pulley, and this releasing pulley can limit the scope of running line accident in transmission line Poling Construction and can be applicable to the releasing pulley of varying number bundle conductor traction working condition.
To achieve these goals, the technical scheme of this patent is: anti-race line multi-state releasing pulley, it comprises releasing pulley frame, pulley and position-limit mechanism.
Described releasing pulley frame comprises wheel shaft, regulating sleeve is sleeved on wheel shaft, pulley is arranged on regulating sleeve, the left end of wheel shaft is arranged in left chain wheel supporting bracket, right-hand member is arranged in right pulley supporting bracket, left chain wheel supporting bracket is fixedly connected with by upper junction plate with right pulley supporting bracket top, and top is fixedly linked by lower connecting plate.
Described position-limit mechanism comprises the two pieces of limiting plates in left and right, two limiting plates are hinged in the top groove of left chain wheel supporting bracket and right pulley supporting bracket by bearing pin respectively, one end of pull bar is connected to the top of limiting plate by rotating shaft, the other end is connected with position limiting slide block, and position limiting slide block is arranged in the chute of left chain wheel supporting bracket and right pulley supporting bracket by being slidably connected.
Described releasing pulley frame adopts glass fiber compound material to make.
Described connecting plate is processed with suppending hole.
The cross section of described lower connecting plate is trapezoidal.
Described regulating sleeve can regulate the distance between each pulley.
Described pulley is made up of nylon material, and the quantity of pulley can increase or reduce.
When described position limiting slide block arrives chute bottom, limiting plate and left chain wheel supporting bracket in vertical state, can not continue to rotate downwards.
The utility model has following beneficial effect:
Anti-race line multi-state releasing pulley, in transmission line payingoff construction, under nominal situation, when towing plate is by anti-race line multi-state releasing pulley, the limiting plate of this coaster is opened, thus ensures that towing plate can normal through coaster.When there is pull rope line-outage contingency, towing plate moves to the opposite direction of lead, and when towing plate extruding limiting plate, limiting plate mechanism closes, and towing plate is stuck on releasing pulley, thus limits the scope of running line accident and occurring.Left and right pulley support plate internal chute length has a definite limitation.When must ensure that slide block arrives chute the top, limiting plate slightly tilts a less angle inside coaster.And when must ensure that slide block arrives chute bottom, limiting plate becomes level, can not continue to overturn downwards.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is the partial sectional view of vertical view of the present utility model and left chain wheel supporting bracket and right pulley supporting bracket.
Fig. 4 is stereogram of the present utility model.
In figure: upper junction plate 1, limiting plate 2, left chain wheel supporting bracket 3, pulley 4, regulating sleeve 5, right pulley supporting bracket 6, lower connecting plate 7, wheel shaft 8, pull bar 9, position limiting slide block 10, bearing pin 11, chute 12, rotating shaft 13, suppending hole 14.
Embodiment
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further.
See Fig. 1-4, anti-race line multi-state releasing pulley, concrete connection and installation have, and it comprises releasing pulley frame, pulley 4 and position-limit mechanism.
Further, described releasing pulley frame comprises wheel shaft 8, regulating sleeve 5 is sleeved on wheel shaft 8, pulley 4 is arranged on regulating sleeve 5, the left end of wheel shaft 8 is arranged in left chain wheel supporting bracket 3, right-hand member is arranged in right pulley supporting bracket 6, and left chain wheel supporting bracket 3 is fixedly connected with by upper junction plate 1 with right pulley supporting bracket 6 top, and top is fixedly linked by lower connecting plate 7.
Further, described position-limit mechanism comprises the two pieces of limiting plates 2 in left and right, two limiting plates 2 are hinged in the top groove of left chain wheel supporting bracket 3 and right pulley supporting bracket 6 by bearing pin 11 respectively, one end of pull bar 9 is connected to the top of limiting plate 2 by rotating shaft 13, the other end is connected with position limiting slide block 10, and position limiting slide block 10 is arranged in the chute 12 of left chain wheel supporting bracket 3 and right pulley supporting bracket 6 by being slidably connected.
Preferably, described releasing pulley frame adopts glass fiber compound material to make.Releasing pulley weight can be alleviated and improve its intensity.The alleviating of weight be conducive to trackman in work high above the ground by pulley suspension below electric power pylon cross-arm.
Preferably, described connecting plate 1 is processed with suppending hole 14.
Preferably, the cross section of described lower connecting plate 7 is trapezoidal.Be convenient to putting on ground of releasing pulley.
Preferably, described regulating sleeve 5 can regulate the distance between each pulley.Thus guarantee the pulley adapting to different size.
Preferably, described pulley 4 is made up of nylon material, for reducing pulley surface coefficient of friction.The quantity of pulley 4 can increase or reduce, to adapt to the requirement of varying number bundle conductor traction working condition.
Preferably, when described position limiting slide block 10 arrives chute 12 bottom, limiting plate 2 and left chain wheel supporting bracket 3 in vertical state, can not continue to rotate downwards.
Device specific works process of the present utility model and principle are:
Anti-race line multi-state releasing pulley, in transmission line payingoff construction, under nominal situation, when towing plate is by anti-race line multi-state releasing pulley, the limiting plate 2 of this coaster is opened, thus ensures that towing plate can normal through coaster.When there is pull rope line-outage contingency, towing plate moves to the opposite direction of lead, and when towing plate extruding limiting plate 2, limiting plate mechanism closes, and towing plate is stuck on releasing pulley, thus limits the scope of running line accident and occurring.Left and right pulley support plate internal chute length has a definite limitation.When must ensure that slide block arrives chute the top, limiting plate slightly tilts a less angle inside coaster.And when must ensure that slide block arrives chute bottom, limiting plate becomes level, can not continue to overturn downwards.
Structure in this example is only illustrating and explaining for claim, so that mass reading is understood, should not be considered as the restriction for claim, and the scope that protection range of the present utility model should be recorded with claim and legal equivalent feature are as the criterion.
Claims (7)
1. anti-race line multi-state releasing pulley, is characterized in that: it comprises releasing pulley frame, pulley (4) and position-limit mechanism;
Described releasing pulley frame comprises wheel shaft (8), regulating sleeve (5) is sleeved on wheel shaft (8), pulley (4) is arranged on regulating sleeve (5), the left end of wheel shaft (8) is arranged in left chain wheel supporting bracket (3), right-hand member is arranged in right pulley supporting bracket (6), left chain wheel supporting bracket (3) is fixedly connected with by upper junction plate (1) with right pulley supporting bracket (6) top, and top is fixedly linked by lower connecting plate (7);
Described position-limit mechanism comprises the two pieces of limiting plates (2) in left and right, two limiting plates (2) are hinged on respectively by bearing pin (11) in the top groove of left chain wheel supporting bracket (3) and right pulley supporting bracket (6), one end of pull bar (9) is connected to the top of limiting plate (2) by rotating shaft (13), the other end is connected with position limiting slide block (10), and position limiting slide block (10) is arranged on by being slidably connected in the chute (12) of left chain wheel supporting bracket (3) and right pulley supporting bracket (6).
2. anti-race line multi-state releasing pulley according to claim 1, is characterized in that: described releasing pulley frame adopts glass fiber compound material to make.
3. anti-race line multi-state releasing pulley according to claim 1, is characterized in that: described connecting plate (1) is processed with suppending hole (14).
4. anti-race line multi-state releasing pulley according to claim 1, is characterized in that: the cross section of described lower connecting plate (7) is trapezoidal.
5. anti-race line multi-state releasing pulley according to claim 1, is characterized in that: described regulating sleeve (5) can regulate the distance between each pulley.
6. anti-race line multi-state releasing pulley according to claim 1, it is characterized in that: described pulley (4) is made up of nylon material, the quantity of pulley (4) can increase or reduce.
7. anti-race line multi-state releasing pulley according to claim 1, is characterized in that: when described position limiting slide block (10) arrives chute (12) bottom, and limiting plate (2) and left chain wheel supporting bracket (3) in vertical state, can not continue to rotate downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250218.2U CN204497671U (en) | 2015-04-23 | 2015-04-23 | Anti-race line multi-state releasing pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250218.2U CN204497671U (en) | 2015-04-23 | 2015-04-23 | Anti-race line multi-state releasing pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497671U true CN204497671U (en) | 2015-07-22 |
Family
ID=53576959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520250218.2U Expired - Fee Related CN204497671U (en) | 2015-04-23 | 2015-04-23 | Anti-race line multi-state releasing pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378762A (en) * | 2018-10-19 | 2019-02-22 | 天津送变电工程有限公司 | A kind of power transmission line trackside feeder apparatus and its working method enhancing limp coaster passability |
-
2015
- 2015-04-23 CN CN201520250218.2U patent/CN204497671U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378762A (en) * | 2018-10-19 | 2019-02-22 | 天津送变电工程有限公司 | A kind of power transmission line trackside feeder apparatus and its working method enhancing limp coaster passability |
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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 |
Granted publication date: 20150722 Termination date: 20160423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |