CN206293822U - A kind of pulley block - Google Patents
A kind of pulley block Download PDFInfo
- Publication number
- CN206293822U CN206293822U CN201621376289.8U CN201621376289U CN206293822U CN 206293822 U CN206293822 U CN 206293822U CN 201621376289 U CN201621376289 U CN 201621376289U CN 206293822 U CN206293822 U CN 206293822U
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- CN
- China
- Prior art keywords
- pulley
- framework
- auxiliary
- head
- wire
- 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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- 238000005096 rolling process Methods 0.000 claims description 6
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Pulleys (AREA)
Abstract
The utility model is related to a kind of pulley block, solves the unreasonable structure of pulley block in the prior art, the deficiency for causing pulley block service life short.A kind of pulley block that the utility model is provided, the first head pulley and the second head pulley are provided with framework, the first auxiliary pulley is provided with by first support on framework, the second auxiliary pulley is provided with by second support on framework, support includes being provided with the first half of the first head pulley and is provided with the lower half of second pulley, the first half is rotatably connected with lower half by bearing pin, and the first half is with lower half by positioning pin locked, relative to prior art, the setting of the first auxiliary pulley and the second auxiliary pulley is played a part of to be oriented to wire, reduce the degree of crook of wire during unwrapping wire, in addition, in actual unwrapping wire, the setting of the first auxiliary pulley and the second auxiliary pulley causes that wire has correct position, extend the service life of pulley block.
Description
Technical field
The utility model is related to power network erection instrument, more particularly to a kind of pulley block.
Background technology
As the development of electric power network technique, the area coverage of power network are increasing, power network is to convey electric energy by trolley wire
's.Power network when setting up, it is necessary to use drawoff structure, by wire erection on shaft tower.Such as wire barrow, pulley block.With
As a example by pulley block, during concrete application, pulley block is fixed on cross-arm, wire is then passed through into pulley block, using leading
Draw machinery and pull out wire, after wire pulls out appropriate length, wire is fixed on the insulator.The effect of pulley block is to avoid
Wire and cross-arm directly contact, such that it is able to reduce the abrasion of wire or/and cross-arm.
Pulley block simple structure of the prior art, including support body and the pulley body being fixed on support body, actually make
Used time, support body is fixed on cross-arm, and wire bypasses pulley body, and the pulley block of this structure easily weares and teares when actually used,
So as to shorten the service life of pulley block.
The content of the invention
A kind of pulley block that the utility model is provided, it is intended to overcome the unreasonable structure of pulley block in the prior art,
The deficiency for causing pulley block service life short.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of pulley block, including frame
Frame, the framework is provided with hook, and the first head pulley and the second head pulley, first head pulley and are provided with the framework
The unwrapping wire chamber that wire can be passed through is formed between two head pulleys, first head pulley, the second head pulley are rotatably connected on frame
On frame, the diameter parallel of first head pulley and the second head pulley is additionally provided be oriented to wire on the framework
One auxiliary pulley and the second auxiliary pulley, first auxiliary pulley, the second auxiliary pulley axis with the second head pulley
Diameter parallel, first auxiliary pulley, line of second auxiliary pulley on the first head pulley and the second head pulley are symmetrical, institute
State the first auxiliary pulley to be fixed on framework by first support, second auxiliary pulley is fixed on framework by second support
On, first auxiliary pulley, the second auxiliary pulley are set to the direction away from the first head pulley；The framework includes setting
The first half for having the first head pulley and the lower half for being provided with the second head pulley, the first half are rotated with lower half by bearing pin
Link together, the first half is provided with prevents the first half relative to the alignment pin that lower half freely overturns, the lower half
It is provided with the location hole with detent fit.
A kind of optional scheme, the first half is provided with the first projection, and the lower half is provided with the second projection, described
Alignment pin is located in the first projection, and the through hole for passing through alignment pin, the alignment pin are offered in first projection
Upper end integral type be provided with the limit body for preventing alignment pin from skidding off through hole, the location hole is opened in the second projection.First is convex
The simple structure that framework is caused with the setting of the second projection is played, the manufacturing cost of framework is reduced.In addition, the first projection and second
Raised setting improves the intensity of framework, extends the service life of framework.
A kind of optional scheme, first head pulley and the second head pulley are fixed on framework by pulley spindle, institute
State and rolling bearing is provided between pulley spindle and framework.The setting of rolling bearing reduces the abrasion of pulley spindle, extends pulley spindle
Service life.
A kind of optional scheme, integral type is provided with the first protuberance on the first half, and integral type sets on the lower half
There is the second protuberance, the pin-and-hole for passing through bearing pin, the pin are offered on first protuberance and the second protuberance
The two ends of axle are equipped with carries out spacing position limiting structure to bearing pin.The first half is connected reliable with lower half, improves pulley block
Stability in use.
A kind of optional scheme, one end on the framework away from hook is additionally provided with connector, and the connector passes through spiral shell
Bolt is rotatably connected on framework.The setting of connector is easy to set other accessories on framework, optimizes the use of pulley block
Life-span.
Compared with prior art, a kind of pulley block that the utility model is provided, has the following advantages that：Is provided with framework
One head pulley and the second head pulley, the first auxiliary pulley is provided with framework by first support, and second is passed through on framework
Erection has the second auxiliary pulley, and support includes being provided with the first half of the first head pulley and is provided with the lower half of second pulley,
The first half is rotatably connected with lower half by bearing pin, and the first half and lower half are by positioning pin locked, relative to
The setting of prior art, the first auxiliary pulley and the second auxiliary pulley is played a part of to be oriented to wire, reduces unwrapping wire
During wire degree of crook, in addition, in actual unwrapping wire, the setting of the first auxiliary pulley and the second auxiliary pulley causes to lead
Line has correct position, extends the service life of pulley block；The first half is rotated by bearing pin with lower half and is connected, wire
It is easy to be taken out by unwrapping wire chamber, improves unwrapping wire efficiency.
Brief description of the drawings
Accompanying drawing 1 is a kind of front view of pulley block of the utility model；
Accompanying drawing 2 is the left view of accompanying drawing 1；
Accompanying drawing 3 is a kind of schematic diagram of the pulley block of the utility model when wire is taken out.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of pulley block of the present utility model is described further.Following examples are only used for
The utility model is helped skilled in the art to understand, is not to limitation of the present utility model.
Pulley block primarily serves the effect for avoiding wire and cross-arm direct friction during unwrapping wire, and pulley block is fixed
On cross-arm, wire bypasses pulley block, and wire is pulled out into certain length by hitching machinery, and the unwrapping wire of wire is completed with this
Operation, takes out wire by pulley block after the completion of wire unwrapping wire, then wire is fixed the frame for completing wire on the insulator
If.
As shown in Figure 1 and Figure 2, a kind of pulley block, including framework 1, the framework 1 is welded by angle steel and formed, and is welded using angle steel
Connect to form framework 1, make framework 1 that there is intensity higher, extend the service life of framework 1；
As shown in Figure 1 and Figure 2, the framework 1 is provided with hook 2, and the hook 2 is used to hang framework 1, on hook 2
Disconnecting prevention structure can also be set, anti-flake is such as rotatably connected on hook 2, torsion spring can be set between anti-flake and hook 2, with
Improve the lodge performance of hook 2；
As shown in Figure 1 and Figure 2, the one end on the framework 1 away from hook 2 is additionally provided with connector 20, and the connector 20 leads to
Cross bolt to be rotatably connected on framework 1, the setting of connector 20 can easily set other accessories on framework 1, optimize
The performance of pulley block；
As shown in Figure 1 and Figure 2, the first head pulley 3 and the second head pulley 4, first head pulley 3 are provided with the framework 1
The unwrapping wire chamber 5 that wire can be passed through is formed between the second head pulley 4, unwrapping wire chamber 5 is used to pass through wire, with unwrapping wire
During wire is positioned, first head pulley 3, the second head pulley 4 are rotatably connected on framework 1, described first
The diameter parallel of the head pulley 4 of head pulley 3 and second, the head pulley 4 of first head pulley 3 and second is fixed by pulley spindle 17
On framework 1, rolling bearing is provided between the pulley spindle 17 and framework 1, the setting of rolling bearing reduces pulley spindle 17
Abrasion, extends the service life of pulley block；
As shown in Figure 1 and Figure 2, the first auxiliary pulley 6 and second being oriented to wire is additionally provided with the framework 1 auxiliary
Help pulley 7, first auxiliary pulley 6, the second auxiliary pulley 7 axis with the diameter parallel of the second head pulley 4, described
The line a of one auxiliary pulley 6, the second auxiliary pulley 7 on the first head pulley 3 and the second head pulley 4 is symmetrical, the first head pulley 3
With the line of the second head pulley 4 refer to set the first head pulley 3 pulley spindle 17 with set the second head pulley 4 pulley spindle 17 it
Between line, it is understood that for the line refers to the center line of framework 1, the effect of auxiliary pulley is that wire is oriented to,
I.e. wire is first led back into unwrapping wire chamber 5 through the first auxiliary pulley 6, and the wire discharged by unwrapping wire chamber 5 is again through the second auxiliary pulley 7
After discharge；
As shown in Figure 1 and Figure 2, first auxiliary pulley 6 is fixed on framework 1 by first support 8, and described second is auxiliary
Pulley 7 is helped to be fixed on framework 1 by second support 9, first auxiliary pulley 6, the second auxiliary pulley 7 are to away from first
The direction of head pulley 3 is set, and first support 8 and second support 9 are welded on framework 1, and the first auxiliary pulley 6 is solid by axis body
It is scheduled in first support 8, the second auxiliary pulley 7 is fixed in second support 9 by another axis body, axis body and first support
8th, rolling bearing should be also set between second support 9, to extend the service life of pulley block；
As shown in Figure 1, Figure 2, Figure 3 shows, after the completion of unwrapping wire, wire should be allow easily to be taken out from unwrapping wire chamber 5, therefore,
The framework 1 includes being provided with the first half 10 of the first head pulley 3 and is provided with the lower half 11 of the second head pulley 4, it is described on
Half portion 10 is rotatably connected with lower half 11 by bearing pin 12, and integral type is provided with the first protuberance on the first half 10
18, integral type is provided with the second protuberance 19 on the lower half 11, is opened on first protuberance 18 and the second protuberance 19
The pin-and-hole for passing through bearing pin 12 is provided with, the two ends of the bearing pin 12 are equipped with and carry out spacing position limiting structure to bearing pin 12,
The position limiting structure can be the limited block being threaded on bearing pin 12, and the second protuberance 19 has two, after the completion of assembling, first
Protuberance 18 is located between two the second protuberances 19；
As shown in Figure 1 and Figure 2, during unwrapping wire, reliable fit is answered in the first half 10 and lower half 11, with avoid wire by
Slipped in unwrapping wire chamber 5, therefore, the first half 10 is provided with prevents the first half 10 relative to the positioning that lower half 11 freely overturns
Pin 13, the lower half 11 is provided with the location hole coordinated with alignment pin 13, and to be provided with first convex for integral type on the first half 10
14 are played, integral type is provided with the second projection 15 on the lower half 11, and the alignment pin 13 is located in the first projection 14, described the
The through hole for passing through alignment pin 13 is offered in one projection 14, the upper end integral type of the alignment pin 13 is provided with prevents positioning
Pin 13 skids off the limit body 16 of through hole, and the location hole is opened in the second projection 15.
Above-mentioned technical proposal is relative to prior art, the setting of the first auxiliary pulley 6 and the second auxiliary pulley 7 so that put
Line pulley has good stability during specifically used, so as to optimize the performance of pulley block, extend and put
The service life of line pulley.
Section Example of the present utility model is described in detail above in association with accompanying drawing.Those skilled in the art read
After this specification, based on the technical solution of the utility model, above-described embodiment can be modified.
Such as, together with the first half 10 can also use gemel connection with lower half 11.
Claims (5)
1. a kind of pulley block, including framework (1), the framework (1) is provided with hook (2), it is characterised in that：The framework
(1) the first head pulley (3) and the second head pulley (4), shape between first head pulley (3) and the second head pulley (4) are provided with
Into the unwrapping wire chamber (5) that wire can be passed through, first head pulley (3), the second head pulley (4) are rotatably connected on framework (1)
On, the diameter parallel of first head pulley (3) and the second head pulley (4) is additionally provided with the framework (1) and wire is led
To the first auxiliary pulley (6) and the second auxiliary pulley (7), first auxiliary pulley (6), the axle of the second auxiliary pulley (7)
Line with the diameter parallel of the second head pulley (4), first auxiliary pulley (6), the second auxiliary pulley (7) are on the first main cunning
Wheel (3) is symmetrical with the line of the second head pulley (4), and first auxiliary pulley (6) is fixed on framework by first support (8)
(1) on, second auxiliary pulley (7) is fixed on framework (1) by second support (9), first auxiliary pulley (6),
Second auxiliary pulley (7) is set to the direction away from the first head pulley (3)；The framework (1) is including being provided with the first main cunning
The first half (10) for taking turns (3) and the lower half (11) for being provided with the second head pulley (4), the first half (10) and lower half (11)
It is rotatably connected by bearing pin (12), the first half (10) is provided with prevents the first half (10) relative to lower half (11)
The alignment pin (13) for freely overturning, the lower half (11) is provided with the location hole coordinated with alignment pin (13).
2. a kind of pulley block according to claim 1, it is characterised in that：It is raised that the first half (10) is provided with first
(14), the lower half (11) is provided with second raised (15), and the alignment pin (13) is located on first raised (14), described
The through hole for making alignment pin (13) to pass through is offered on first raised (14), the upper end integral type of the alignment pin (13) is provided with
Prevent alignment pin (13) from skidding off the limit body (16) of through hole, the location hole is opened on second raised (15).
3. a kind of pulley block according to claim 1, it is characterised in that：First head pulley (3) and the second main cunning
Wheel (4) is fixed on framework (1) by pulley spindle (17), and rolling bearing is provided between the pulley spindle (17) and framework (1).
4. a kind of pulley block according to claim 1, it is characterised in that：Integral type is provided with the first half (10)
One protuberance (18), integral type is provided with the second protuberance (19) on the lower half (11), first protuberance (18) and the
The pin-and-hole for making bearing pin (12) to pass through is offered on two protuberances (19), the two ends of the bearing pin (12) are equipped with to bearing pin
(12) spacing position limiting structure is carried out.
5. a kind of pulley block according to Claims 1-4 any one, it is characterised in that：On the framework (1) away from
The one end for linking up with (2) is additionally provided with connector (20), and the connector (20) is rotatably connected on framework (1) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376289.8U CN206293822U (en) | 2016-12-15 | 2016-12-15 | A kind of pulley block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376289.8U CN206293822U (en) | 2016-12-15 | 2016-12-15 | A kind of pulley block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293822U true CN206293822U (en) | 2017-06-30 |
Family
ID=59103687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621376289.8U Expired - Fee Related CN206293822U (en) | 2016-12-15 | 2016-12-15 | A kind of pulley block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602471A (en) * | 2016-12-15 | 2017-04-26 | 国网浙江省电力公司丽水供电公司 | Cable release pulley |
| WO2020247988A3 (en) * | 2019-06-07 | 2021-02-25 | Bester Francois Retief | Apparatus for attaching restraining means to a line |
-
2016
- 2016-12-15 CN CN201621376289.8U patent/CN206293822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602471A (en) * | 2016-12-15 | 2017-04-26 | 国网浙江省电力公司丽水供电公司 | Cable release pulley |
| WO2020247988A3 (en) * | 2019-06-07 | 2021-02-25 | Bester Francois Retief | Apparatus for attaching restraining means to a line |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20171215 |