CN202059103U - Grounding line paying off pulley - Google Patents
Grounding line paying off pulley Download PDFInfo
- Publication number
- CN202059103U CN202059103U CN2011201560017U CN201120156001U CN202059103U CN 202059103 U CN202059103 U CN 202059103U CN 2011201560017 U CN2011201560017 U CN 2011201560017U CN 201120156001 U CN201120156001 U CN 201120156001U CN 202059103 U CN202059103 U CN 202059103U
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- CN
- China
- Prior art keywords
- ground connection
- revoliving arm
- ground
- wheel
- pulley
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- 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.)
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Abstract
The utility model discloses a grounding line paying off pulley which includes a pulley frame (1), a line paying off pulley wheel (2) which is rotatably arranged on the pulley frame (1), extension springs (3), a grounding wheel (4), a grounding wheel shaft (5), revolving arms (6), and a ground wire (7), and the (4)(5)(6)(7) are conductive. The pulley frame (1) is mainly composed of two pillars (1-1) which are arranged at the left and right sides and a hanger plate (1-2) which is fixedly connected with the top ends of the pillars (1-1). One end of the extension spring (3) is connected with the pillar (1-1), and the other end is connected with the revolving arm (6), the revolving arm (6) is hinged to the pillar (1-1), the grounding wheel (4) is in contact with a lead (8) in a stringing line paying off construction; the grounding wheel (4), the grounding wheel shaft (5), the revolving arms (6), and the ground wire (7) are connected in turn; and the ground wire (7) is connected with the ground. The grounding line paying off pulley can release the induced-current generated by the lead to the ground automatically during the power stringing line paying off process.
Description
Technical field
The utility model relates to electric power stringing unwrapping wire technical field, is specifically related to a kind of ground connection releasing pulley.
Background technology
Releasing pulley is in the power line construction process construction wire to be set up and open up the special equipment of putting, when construction wire parallel near or cross over other alive circuits, or when power cut construction is made in charged and another loop, loop in the power circuit of double loop, can produce em induced current on the construction wire.And the releasing pulley of prior art is in order to protect by construction wire; the aluminium wheel of insulating material such as many employing nylon pulley blocks or race are rubber-coated; make the induced current on the lead can not be imported into the earth; this is not only owing to the lead conduction has influenced the stringing construction; and because human body is a conductor; thereby can make electric current flow through human body human body is caused personal injury so the workmen touches live wire, even security incident takes place.
The utility model content
Technical problem to be solved in the utility model is at above the deficiencies in the prior art, provides a kind of induced current that produces on can be automatically with lead in electric power stringing unwrapping wire process to be discharged into the ground connection releasing pulley of the earth.
For addressing the above problem, the utility model provides a kind of ground connection releasing pulley, comprise vehicle frame, rotation is installed on the pulley block on the vehicle frame, vehicle frame mainly by about two columns and the boatswain chair that is fixedly connected on the column top form, this ground connection releasing pulley also comprises extension spring and is the ground engaging stabiliser wheel of conductor, the ground connection wheel shaft, revoliving arm, earth connection, described extension spring one end is connected in column, the other end is connected with revoliving arm, described ground engaging stabiliser wheel contacts with lead in the stringing payingoff construction, described revoliving arm is articulated in column, described ground engaging stabiliser wheel, the ground connection wheel shaft, revoliving arm, earth connection connects successively, described ground connection.
The use of this ground connection releasing pulley is: lead passes between the boatswain chair and two heel posts of this ground connection releasing pulley, be pressed on the pulley block, be pressed on the ground engaging stabiliser wheel simultaneously, the pulling force of extension spring drives ground engaging stabiliser wheel, and to follow that revoliving arm carries out with revoliving arm and column pin joint be that the angle of fulcrum is finely tuned, make lead be close to ground engaging stabiliser wheel, earth connection other end ground connection, other common releasing pulley payingoff constructions with prior art are consistent.
After adopting above structure, the utility model compared with prior art, have the following advantages: the utility model ground connection releasing pulley is in work progress, lead is pressed on the ground engaging stabiliser wheel, the pulling force of extension spring drives ground engaging stabiliser wheel and carries out the fine setting of certain angle, make lead be close to ground engaging stabiliser wheel, ground engaging stabiliser wheel, the ground connection wheel shaft, revoliving arm, earth connection connects successively, ground connection, ground engaging stabiliser wheel, the ground connection wheel shaft, revoliving arm, earth connection is conductor, so the induced current on the lead can be through ground engaging stabiliser wheel, the ground connection wheel shaft, revoliving arm and earth connection are discharged into the earth at last automatically, thereby effectively ensured workmen's personal safety, and guaranteed that the stringing unwrapping wire carries out smoothly.This ground connection releasing pulley uses simple, and is easy for installation.In addition, the structure that ground engaging stabiliser wheel is enclosed within the ground connection wheel shaft can be rotated by the ground connection wheel shaft ground engaging stabiliser wheel for axle, thereby the relative position of lead and ground engaging stabiliser wheel is remained unchanged, thereby guardwire is not frayed.
Described ground engaging stabiliser wheel is enclosed within on the ground connection wheel shaft, described revoliving arm be about two, the two ends of described ground connection wheel shaft are fixedly connected on respectively on two revoliving arms, one of them revoliving arm is fixedlyed connected with earth connection.Such connected mode make ground engaging stabiliser wheel can the ground connection wheel shaft for axle freely rotates, help making lead to be close to ground engaging stabiliser wheel, and ground engaging stabiliser wheel, ground connection wheel shaft, revoliving arm, ground engaging stabiliser wheel connect in turn, make that induced current passes to earth connection smoothly on the lead.
Described revoliving arm is welded by long-armed and galianconism, and respectively there is a fixing point that is used for fixing extension spring at the galianconism two ends.Respectively there is an extension spring fixing point on the revoliving arm both sides, make extension spring both can spur revoliving arm in the left side, can spur revoliving arm on the right side again, satisfy different construction requirements.
Description of drawings
The overall structure front schematic view that shown in Figure 1 is after the utility model ground connection releasing pulley sets up lead;
The overall structure side schematic view that shown in Figure 2 is after the utility model ground connection releasing pulley sets up lead.
Wherein: 1, vehicle frame; 1-1, column; 1-2, boatswain chair; 2, pulley block; 3, extension spring; 4, ground engaging stabiliser wheel; 5, ground connection wheel shaft; 6, revoliving arm; 6-1, long-armed; 6-2, galianconism; 6-3, fixing point; 7, earth connection; 8, lead.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, the utility model ground connection releasing pulley comprises vehicle frame 1, the rotatable pulley block 2 that is installed on the vehicle frame 1, vehicle frame 1 mainly by about two column 1-1 and the boatswain chair 1-2 that is fixedly connected on column 1-1 top form.This is the basic structure of releasing pulley in the prior art, by about the be composed of a fixed connection basic framework of vehicle frame 1 of two column 1-1 and boatswain chair 1-2, pulley block 2 is realized rotatable function by being enclosed within on the wheel shaft that is fixedly connected on two heel post 1-1.The utility model ground connection releasing pulley also comprises extension spring 3, ground engaging stabiliser wheel 4, ground connection wheel shaft 5, revoliving arm 5, earth connection 7, described ground engaging stabiliser wheel 4, ground connection wheel shaft 5, revoliving arm 6, earth connection 7 are conductor, and ground engaging stabiliser wheel 4, ground connection wheel shaft 5, revoliving arm 6, earth connection 7 connect successively.In the present embodiment, ground engaging stabiliser wheel 4 is made by aluminum, and ground connection wheel shaft 5 and revoliving arm 6 are made by steel, and earth connection 7 is made by copper product.Certainly, these parts also can adopt suitable other electric conducting materials that use, meet economic worth to prepare.
Described revoliving arm 6 is articulated in column 1-1.Described revoliving arm 6 is welded by long-armed 6-1 and galianconism 6-2, for about two.Long-armed 6-1 is an elongate in shape, long-armed 6-1 one end is articulated on the column 1-1, the other end is fixedlyed connected with an end of ground connection wheel shaft 5, and the long-armed 6-1 of two revoliving arms 6 fixes ground connection wheel shaft 5, and promptly the two ends of ground connection wheel shaft 5 are fixedly connected on respectively on two revoliving arms 6.Vertical welding is connected to a galianconism 6-2 in the inclined to one side centre position of long-armed 6-1, and galianconism 6-2 two ends respectively are provided with a fixing point 6-3, are used for fixing extension spring 3, and extension spring 3 is removable the connection with galianconism 6-2.
Described extension spring 3 one ends are connected in column 1-1, and the other end is connected with revoliving arm 6.Described extension spring 3 also be about two, an end is fixedly connected on one of them the fixing point 6-3 of galianconism 6-2 on the revoliving arm 6, the other end is fixedly connected on the column 1-1.The position that extension spring 3 is connected with column 1-1 is above revoliving arm 6 and column 1-1 link position.Extension spring 3 has certain scalability, is common commercial commodity.
Described ground engaging stabiliser wheel 4 contacts with lead 8 in the stringing payingoff construction.Ground engaging stabiliser wheel 4 is enclosed within on the ground connection wheel shaft 5, can the ground connection wheel shaft 5 for axle rotates, like this when ground connection wheel shaft 5 follow revoliving arm 6 when carrying out the certain angle fine setting ground engaging stabiliser wheel 4 relative constant with the relative position maintenance of lead 8, thereby prevent that lead 8 is worn.
Described earth connection 7 ground connection.Earth connection 7 one ends are fixedlyed connected other end ground connection with the long-armed 6-1 of any one revoliving arm 6.In the present embodiment, ground connection is specially the other end of earth connection 7 is connected with the iron tower body of ground connection.
This ground connection releasing pulley shown in Figure 1, the location status of its revoliving arm 6 is for vertically being positioned at column 1-1 both sides.
This ground connection releasing pulley shown in Figure 2, the location status of its revoliving arm 6 is for favouring column 1-1 right side.
Utilize this ground connection releasing pulley to be: as shown in Figure 2 with the process that induced current on the lead is discharged into the earth, lead 8 passes between the boatswain chair 1-2 and two heel post 1-1 of this ground connection releasing pulley, be pressed on the pulley block 2, be pressed in simultaneously on the ground engaging stabiliser wheel 4, the pulling force of extension spring 3 drives revoliving arm 6, ground connection wheel shaft 5 and ground engaging stabiliser wheel 4, lead 8 is close on the ground engaging stabiliser wheel 4, and earth connection 7 other ends are connected with the iron tower body of ground connection, and other are consistent with common releasing pulley payingoff construction.Ground engaging stabiliser wheel 4, ground connection wheel shaft 5, revoliving arm 6, earth connection 7 all can conduct electricity, ground engaging stabiliser wheel 4, ground connection wheel shaft 5, revoliving arm 6 and the earth connection 7 of induced current on the lead 8 through connecting successively, automatically be discharged into the earth, ensure workmen's personal safety, guarantee that stringing carries out smoothly.
As shown in Figure 2, extension spring 3 is connected with the fixing point 6-3 of the galianconism 6-2 right-hand member of revoliving arm 6 in the present embodiment, and this moment, revoliving arm 6 was positioned at vehicle frame 1 right side, and lead 8 is for to set up to the right from the left side.And when lead 8 need set up from right to left, thereby can the evolution of revoliving arm 6 and ground engaging stabiliser wheel 4 be realized to vehicle frame 1 left side by the fixing point 6-3 that extension spring 3 is fixedly installed in galianconism 6-2 left end.
Above embodiment is to explanation of the present utility model and further explains, rather than to restriction of the present utility model, any modification of being done in interest field of the present utility model all falls into protection range of the present utility model.
Claims (3)
1. ground connection releasing pulley, comprise vehicle frame (1), rotation is installed on the pulley block (2) on the vehicle frame (1), vehicle frame (1) mainly by about two columns (1-1) and the boatswain chair (1-2) that is fixedly connected on column (1-1) top form, it is characterized in that: also comprise extension spring (3) and be the ground engaging stabiliser wheel (4) of conductor, ground connection wheel shaft (5), revoliving arm (6), earth connection (7), described extension spring (3) one ends are connected in column (1-1), the other end is connected with revoliving arm (6), described revoliving arm (6) is articulated in column (1-1), described ground engaging stabiliser wheel (4) contacts with lead (8) in the stringing payingoff construction, described ground engaging stabiliser wheel (4), ground connection wheel shaft (5), revoliving arm (6), earth connection (7) connects successively, described earth connection (7) ground connection.
2. ground connection releasing pulley according to claim 1, it is characterized in that: described ground engaging stabiliser wheel (4) is enclosed within on the ground connection wheel shaft (5), described revoliving arm (6) be about two, the two ends of described ground connection wheel shaft (5) are fixedly connected on respectively on two revoliving arms (6), and one of them revoliving arm (6) is fixedlyed connected with earth connection (7).
3. ground connection releasing pulley according to claim 1 is characterized in that: described revoliving arm (6) is welded by long-armed (6-1) and galianconism (6-2), and respectively there is a fixing point (6-3) that is used for fixing extension spring (3) at galianconism (6-2) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201560017U CN202059103U (en) | 2011-05-12 | 2011-05-12 | Grounding line paying off pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201560017U CN202059103U (en) | 2011-05-12 | 2011-05-12 | Grounding line paying off pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059103U true CN202059103U (en) | 2011-11-30 |
Family
ID=45019067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201560017U Expired - Fee Related CN202059103U (en) | 2011-05-12 | 2011-05-12 | Grounding line paying off pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202059103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852327A (en) * | 2015-05-14 | 2015-08-19 | 国家电网公司 | Earthing device for laying bare conductor |
| US11476596B1 (en) | 2021-03-25 | 2022-10-18 | Robert Seekell | Grounding attachment for radius block for stringing conductors |
-
2011
- 2011-05-12 CN CN2011201560017U patent/CN202059103U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852327A (en) * | 2015-05-14 | 2015-08-19 | 国家电网公司 | Earthing device for laying bare conductor |
| CN104852327B (en) * | 2015-05-14 | 2017-02-22 | 国家电网公司 | Earthing device for laying bare conductor |
| US11476596B1 (en) | 2021-03-25 | 2022-10-18 | Robert Seekell | Grounding attachment for radius block for stringing conductors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20140512 |