CN210326721U - Overhead line erecting tool - Google Patents
Overhead line erecting tool Download PDFInfo
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- CN210326721U CN210326721U CN201921099661.9U CN201921099661U CN210326721U CN 210326721 U CN210326721 U CN 210326721U CN 201921099661 U CN201921099661 U CN 201921099661U CN 210326721 U CN210326721 U CN 210326721U
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- paying
- overhead line
- pulley block
- metal plate
- fixing device
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Abstract
The utility model provides an overhead line erecting tool, which comprises a paying-off pulley block and a paying-off traction group, wherein the paying-off pulley block comprises a fixed metal plate, a movable metal plate and a pulley, one end of the pulley is connected with one side of the fixed metal plate, and the other end of the pulley is connected with one side of the movable metal plate; the paying-off traction group comprises a fixing device, a stranded wire, a porcelain bottle and a clamp, wherein two ends of the stranded wire are connected and arranged on one side of the fixing device, the fixed end of the clamp is connected and arranged on the other side of the fixing device, and the open end of the clamp is clamped and connected with the porcelain bottle. In the using process, the movable metal plate of the pay-off pulley block is opened, the overhead line is led out after passing through the pulley, then the movable metal plate is closed, then the pay-off pulley block is fixed at the top end of the telegraph pole, after the overhead line pay-off operation of all the telegraph poles is completed by repeating the steps, the tail end of the overhead line is fixed on a porcelain bottle of the pay-off traction group, then the stranded wire is connected through a winching machine to carry out the wire tightening operation, and the overhead line is pulled to an expected position.
Description
Technical Field
The utility model relates to an electric power construction tool field, more specifically relates to an overhead line erects instrument.
Background
The existing low-voltage overhead line is generally fixed on a telegraph pole through a street code. When the street code is used for fixing the low-voltage overhead line, the overhead line needs to be firstly pulled to the position below a telegraph pole from a pay-off disc, then constructors put the overhead line on the street code on the pole phase by phase to complete pay-off operation, and then manually tighten the line phase by phase. Taking a low-voltage overhead line for erecting three-phase four-line lines as an example, a constructor needs to go up and down a pole about 8 times, so that great potential safety hazards exist, and physical strength is consumed in the process of manually tightening the line phase by phase. In addition, in the process of placing the overhead line, the construction personnel needs to go up and down the pole for many times, the pole body is easy to incline, and the overhead line conductor rubs on the ground, so that the conductor insulation layer is easy to wear. Therefore, the traditional paying-off mode of the low-voltage overhead line has long construction time and more construction times, so that the construction efficiency is low, and the construction progress and effect are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the defect that efficiency of construction is low provides an overhead line erects instrument.
In order to solve the technical problem, the technical scheme of the utility model as follows:
an overhead line erecting tool comprises a paying-off pulley block for placing an overhead line and a paying-off traction group for connecting the overhead line and a winching machine, wherein the paying-off pulley block comprises a fixed metal plate, a movable metal plate and a plurality of pulleys, one ends of the plurality of pulleys are respectively arranged on the fixed metal plate, the plurality of pulleys are distributed at equal intervals, and the movable metal plate is detachably arranged at the other ends of the pulleys; the paying-off traction group comprises a fixing device, a stranded wire, a plurality of porcelain bottles and a plurality of clamps, wherein two ends of the stranded wire are connected and arranged on one side of the fixing device, fixed ends of the clamps are arranged on the other side of the fixing device at equal intervals, and the open ends of the clamps are clamped and connected with the porcelain bottles;
after the overhead line is led out by the pulley in the first pay-off pulley block, the movable metal plate is closed, then the pay-off pulley block is integrally erected at the top end of the telegraph pole of the overhead line to be erected, then the overhead line is led out by the pulley in the next pay-off pulley block, the steps are repeated until all the telegraph poles of the overhead line to be erected finish the erection of the pay-off pulley blocks, the tail end of the overhead line led out by the pulley in the last pay-off pulley block is fixed on a porcelain insulator in a pay-off traction group, then a stranding machine is connected with a stranded wire in the pay-off traction group to carry out external force stringing operation, and the overhead line is pulled to a desired position.
In the technical scheme, the paying-off pulley block is formed by combining a street code and a pulley block fixed on the street code and is fixed on a telegraph pole in the paying-off process; the paying-off traction group is used as a connecting component between the overhead line and the winching machine and is placed at the tail end of the overhead line to be erected. When a constructor carries out paying-off operation, firstly, an overhead line is drawn to the position below a telegraph pole from a paying-off disc, a movable metal plate of a paying-off pulley block is opened, the overhead line is led out through a pulley fixed on the paying-off pulley block, the paying-off pulley block is sealed and fixed through the closed movable metal plate, then the paying-off pulley block is integrally fixed on the top end of the telegraph pole, the steps are repeated, the next telegraph pole is connected through another paying-off pulley block, after the paying-off pulley block is installed on all the telegraph poles, the tail end of the overhead line led out by the last paying-off pulley block is fixed on a porcelain bottle of the paying-off traction group, then a stranding machine is connected with stranded wires in the paying-off traction group for tightening operation, the overhead line is drawn to a desired position.
Preferably, the pulleys in the payoff pulley set are belt bearing pulleys.
Preferably, the paying-off pulley block further comprises a metal hanging ring, the metal hanging ring is arranged at one end of the paying-off pulley block, and the paying-off pulley block is erected at the top end of the telegraph pole through the metal hanging ring.
Preferably, the paying-off pulley block further comprises a wind-proof pendulum component, and the wind-proof pendulum component is arranged at the other end of the paying-off pulley block.
Preferably, the fixing means is of a channel type construction.
Preferably, the fixing device, the stranded wire and the clamp are made of metal.
Preferably, the paying-off traction group further comprises a plurality of shackles and a plurality of tension clamps, the other side of the fixing device is provided with a hollow hole matched with the section of the shackles, and one end of the shackles passes through the hollow hole and then is fastened through a shaft pin in the shackles; one end of a tension wire in the tension wire clamp passes through the shackle body and the fixed end of the clamp and then is clamped and fixed with the other end of the tension wire through the wire clamp.
Preferably, the pay-off traction group further comprises 2U-shaped hanging rings, each U-shaped hanging ring comprises a U-shaped hanging ring body, a bolt and a nut, wherein one side of the fixing device is provided with 2 holes matched with the cross sections of the bolts of the U-shaped hanging rings, the bolts of the U-shaped hanging rings are connected with the hanging ring bodies through the nuts after passing through the holes, and two ends of each stranded wire are respectively connected with the hanging ring bodies of the 2U-shaped hanging rings. The U-shaped hanging ring additionally arranged can prevent the stranded wire from loosening from the fixing device in the process of wire tightening operation.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
(1) a plurality of overhead lines are placed at one time through the paying-off pulley block, so that the erection of the overhead lines can be completed through one-time paying-off operation, and the construction efficiency is effectively improved;
(2) the tail end of each overhead line is connected with the winching machine for use through the paying-off traction group, so that the stress of each overhead line can be ensured to be uniform, and the phenomenon of uneven sag distribution caused by uneven stress of the manual wire tightening overhead lines is avoided;
(3) the windproof pendulum component can prevent the overhead line from sliding out of the pulley in the paying-off operation process, and meanwhile, friction between the overhead line and the pulley is reduced, so that abrasion of an insulating layer of the overhead line is reduced.
Drawings
Fig. 1 is a front view of the pay-off pulley block of the present embodiment.
Fig. 2 is a bottom view of the pay-off pulley block of the present embodiment.
Fig. 3 is a schematic structural diagram of the pay-off pulling group of the embodiment.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
The overhead line pay-off tool in the embodiment comprises a pay-off pulley block 1 and a pay-off traction group 2.
The paying-off pulley block 1 in the embodiment comprises a fixed metal plate 101, a movable metal plate 102 and 4 pulleys 103, wherein the movable metal plate 102 and the 4 pulleys 103 are arranged in parallel, one end of each of the 4 pulleys 103 is arranged on the fixed metal plate 101, and the 4 pulleys 103 are distributed at equal intervals; a movable metal plate 102 is detachably provided at the other end of the pulley 103.
The paying-off traction group 2 in the embodiment comprises a fixing device 201, a stranded wire 202, 4 porcelain bottles 203 and 4 clamps 204, wherein two ends of the stranded wire 202 are connected and arranged on one side of the fixing device 201, the clamps 204 are uniformly arranged on the other side of the fixing device 201, and the porcelain bottles 203 are connected and fixed with the fixing device 201 through the clamps 204.
The embodiment is applied to three-phase four-wire overhead line erection operation.
The fixed metal plate 101 and the movable metal plate 102 in this embodiment have a length of 75cm, a width of 10cm, and a thickness of 5mm, and the strand 202 in this embodiment has a length of 35 mm.
In the specific implementation process, a constructor finishes the paying-off operation by using the paying-off pulley block 1, firstly pulls an overhead line from a paying-off disc to the position below a telegraph pole, opens the movable metal plate 102 of the paying-off pulley block 1, leads the overhead line out through the pulley 103 fixed on the paying-off pulley block 1, closes and fixes the paying-off pulley block 1 through the closed movable metal plate 102 after 4 overhead lines finish the steps, then integrally erects the paying-off pulley block 1 on the top end of the telegraph pole, repeats the steps and connects the next telegraph pole through the next paying-off pulley block 1 until all the telegraph poles finish the paying-off operation. After all the telegraph poles finish the paying-off operation, the tail ends of 4 overhead lines led out from the last paying-off pulley block 1 are respectively fixed on 4 porcelain bottles 203 in the paying-off traction group 2, then the stranded wires 202 of the paying-off traction group are connected through a stranding and grinding machine to carry out the wire tightening operation, the 4 overhead lines are pulled to the expected positions, and the sag distribution of the overhead lines is uniform.
In the embodiment, a plurality of overhead lines are placed at one time through the paying-off pulley block 1, so that the construction efficiency can be effectively improved, and the rod body inclination caused by repeated rod loading and rod unloading of constructors is avoided; draw group 2 to be connected the overhead line end with the hank mill machine through the unwrapping wire and use, wherein, the hank mill provides mechanical power for the tight line, guarantees that every overhead line can the atress even when tight line operation, effectively avoids appearing because of the uneven phenomenon of sag distribution that the manpower tight line leads to.
Example 2
The overhead line pay-off tool in the embodiment comprises a pay-off pulley block 1 and a pay-off traction group 2.
As shown in fig. 1 and 2, the structure of the pay-off pulley block of the present embodiment is schematically illustrated.
The paying-off pulley block 1 in the embodiment comprises a fixed metal plate 101, a movable metal plate 102 and 4 pulleys 103, wherein the movable metal plate 102 and the 4 pulleys 103 are arranged in parallel, one end of each of the 4 pulleys 103 is arranged on the fixed metal plate 101, and the 4 pulleys 103 are distributed at equal intervals; a movable metal plate 102 is detachably provided at the other end of the pulley 103.
The pulley 103 in the paying-off pulley block 1 in this embodiment is a pulley with a bearing.
The paying-off pulley block 1 in this embodiment further comprises a metal hanging ring 104, wherein the metal hanging ring 104 is arranged at one end of the paying-off pulley block 1.
The paying-off pulley block 1 in this embodiment further includes a wind-proof pendulum member 105, wherein the wind-proof pendulum member 105 is disposed at the other end of the paying-off pulley block 1.
The paying-off traction group 2 in the embodiment comprises a fixing device 201, a stranded wire 202, 4 porcelain bottles 203 and 4 clamps 204, wherein two ends of the stranded wire 202 are connected and arranged on one side of the fixing device 201, the clamps 204 are uniformly arranged on the other side of the fixing device 201, and the porcelain bottles 203 are connected and fixed with the fixing device 201 through the clamps 204.
The embodiment is applied to three-phase four-wire overhead line erection operation.
The fixed metal plate 101 and the movable metal plate 102 in this embodiment have a length of 75cm, a width of 10cm, and a thickness of 5mm, and the length of the strand in this embodiment is 35 mm.
In the specific implementation process, a constructor finishes the paying-off operation by using the paying-off pulley block 1, firstly pulls an overhead line from a paying-off reel to a position below a telegraph pole, opens the movable metal plate 102 of the paying-off pulley block 1, leads the overhead line out through the pulley 103 fixed on the paying-off pulley block 1, closes and fixes the paying-off pulley block 1 through the closed movable metal plate 102 after 4 overhead lines finish the steps, then erects and fixes the whole paying-off pulley block 1 on the top end of the telegraph pole through the metal hanging ring 104, repeats the steps and connects the next telegraph pole through the next paying-off pulley block 1 until all the telegraph poles finish the paying-off operation. After all the telegraph poles finish the paying-off operation, the tail ends of 4 overhead lines led out from the last paying-off pulley block 1 are respectively fixed on 4 porcelain bottles 203 in the paying-off traction group 2, then the stranded wires 202 of the paying-off traction group are connected through a stranding and grinding machine to carry out the wire tightening operation, the 4 overhead lines are pulled to the expected positions, and the sag distribution of the overhead lines is uniform.
The metal hanging ring 104 is additionally arranged in the embodiment and is used for hanging the whole paying-off pulley block 1 on the top end of a telegraph pole, and the windproof swinging component 105 is additionally arranged in the embodiment and can prevent the paying-off pulley block 1 from being scraped out of the pulley 103 when the external wind speed is high, reduce the friction between the overhead line and the pulley 103 when the external wind speed is low, and further reduce the abrasion of an insulating layer of the overhead line.
Example 3
The overhead line pay-off tool in the embodiment comprises a pay-off pulley block 1 and a pay-off traction group 2.
As shown in fig. 1 and 2, the structure of the pay-off pulley block of the present embodiment is schematically illustrated.
The paying-off pulley block 1 in the embodiment comprises a fixed metal plate 101, a movable metal plate 102 and 4 pulleys 103, wherein the movable metal plate 102 and the 4 pulleys 103 are arranged in parallel, one end of each of the 4 pulleys 103 is arranged on the fixed metal plate 101, and the 4 pulleys 103 are distributed at equal intervals; a movable metal plate 102 is detachably provided at the other end of the pulley 103.
The pulley 103 in the paying-off pulley block 1 in this embodiment is a pulley with a bearing.
The paying-off pulley block 1 in this embodiment further comprises a metal hanging ring 104, wherein the metal hanging ring 104 is arranged at one end of the paying-off pulley block 1.
The paying-off pulley block 1 in this embodiment further includes a wind-proof pendulum member 105, wherein the wind-proof pendulum member 105 is disposed at the other end of the paying-off pulley block 1.
Fig. 3 is a schematic structural diagram of the pay-off pulling group of this embodiment.
The paying-off traction group 2 in the embodiment comprises a fixing device 201, a stranded wire 202, 4 porcelain bottles 203, 4 clamps 204, 4 shackles 205, 4 tension clamps 206 and 2U-shaped hanging rings 207, wherein each U-shaped hanging ring comprises a hanging ring body, a bolt and a nut.
2 empty holes matched with the cross sections of the bolts in the U-shaped hanging rings 207 are formed in one side of the fixing device 201, one ends of the bolts in the U-shaped hanging rings 207 are fixedly connected with the hanging ring bodies through nuts after passing through the empty holes, and two ends of the stranded wire 202 are fixedly connected with the hanging ring bodies of the 2U-shaped hanging rings respectively; the other side of the fixing device 201 is provided with a hollow hole matched with the section of the buckle body in the shackle 205, one end of the buckle body in the shackle 205 is fastened through a shaft pin in the shackle after passing through the hollow hole, and 4 shackles 205 are arranged at equal intervals; one end of a tension line in the tension line clamp 206 passes through a buckle body in the shackle 205 and the fixed end of the clamp 204 and is clamped and fixed with the other end of the tension line through the line clamp; the open end of the clamp 204 is clamped and fixed with the porcelain insulator.
In this embodiment, a channel steel is adopted as the fixing device 201, and the fixing device 201 is a groove-shaped structure.
In this embodiment, the strand 202 is a steel strand.
The clamp 204 in this embodiment is a tea clamp.
The embodiment is applied to three-phase four-wire overhead line erection operation.
The fixed metal plate 101 and the movable metal plate 102 in this embodiment have a length of 75cm, a width of 10cm, and a thickness of 5mm, and the length of the strand 202 in this embodiment is 35 mm.
In the specific implementation process, a constructor finishes the paying-off operation by using the paying-off pulley block 1, firstly pulls an overhead line from a paying-off reel to a position below a telegraph pole, opens the movable metal plate 102 of the paying-off pulley block 1, leads the overhead line out through the pulley 103 fixed on the paying-off pulley block 1, closes and fixes the paying-off pulley block 1 through the closed movable metal plate 102 after 4 overhead lines finish the steps, then erects and fixes the whole paying-off pulley block 1 on the top end of the telegraph pole through the metal hanging ring 104, repeats the steps and connects the next telegraph pole through the next paying-off pulley block 1 until all the telegraph poles finish the paying-off operation. After all the telegraph poles finish the paying-off operation, the tail ends of 4 overhead lines led out from the last paying-off pulley block 1 are respectively fixed on 4 porcelain bottles 203 in the paying-off traction group 2, then the stranded wires 202 of the paying-off traction group are connected through a stranding and grinding machine to carry out the wire tightening operation, the 4 overhead lines are pulled to the expected positions, and the sag distribution of the overhead lines is uniform.
The shackle 205 and the tension clamp 206 which are additionally arranged in the embodiment are used for enabling the porcelain insulator 204 in the paying-off traction group 2 to adjust the direction and the angle between the porcelain insulator 203 and the fixing device 201 according to the actual use condition, so that the paying-off traction group 2 is flexible in use, firm connection between the porcelain insulator 203 and the fixing device 201 is guaranteed, and the porcelain insulator 203 and the fixing device 201 are prevented from being loosened under the action of external force. The U-shaped suspension loop 207 added in this embodiment is used to adjust the angle between the stranded wire 202 and the fixing device 201 according to the actual use condition of the paying-off traction group 2, so as to further improve the flexibility of the paying-off traction group 2 and avoid the stranded wire 202 and the fixing device 201 from falling off during the process of wire tightening operation.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. An overhead line erecting tool, characterized in that: the paying-off device comprises a paying-off pulley block and a paying-off traction group, wherein the paying-off pulley block comprises a fixed metal plate, a movable metal plate and a plurality of pulleys, one ends of the pulleys are respectively arranged on the fixed metal plate, the pulleys are distributed at equal intervals, and the movable metal plate is detachably arranged at the other ends of the pulleys; the paying-off traction group comprises a fixing device, a stranded wire, a plurality of porcelain bottles and a plurality of clamps, wherein the two ends of the stranded wire are connected and arranged on one side of the fixing device, the fixed ends of the plurality of clamps are arranged on the other side of the fixing device at equal intervals, and the open ends of the clamps are connected with the porcelain bottles in a clamping mode.
2. Overhead line erection tool according to claim 1, characterized in that: and the pulleys in the paying-off pulley block are pulleys with bearings.
3. Overhead line erection tool according to claim 2, characterized in that: the paying-off pulley block further comprises a metal hanging ring, and the metal hanging ring is arranged at one end of the paying-off pulley block.
4. Overhead line erection tool according to claim 3, characterized in that: the paying-off pulley block further comprises a wind-proof swinging component, and the wind-proof swinging component is arranged at the other end of the paying-off pulley block.
5. Overhead line erection tool according to claim 1, characterized in that: the fixing device is of a groove-shaped structure.
6. Overhead line erection tool according to claim 1, characterized in that: the fixing device, the stranded wire and the clamp are made of metal.
7. Overhead line erection tool according to claim 1, characterized in that: the paying-off traction group also comprises a shackle and a tension wire clamp, the other side of the fixing device is provided with a hollow hole matched with the section of the shackle body, and one end of the shackle body passes through the hollow hole and then is fastened through a shaft pin in the shackle; one end of a tension wire in the tension wire clamp passes through the shackle body and the fixed end of the clamp and then is clamped and fixed with the other end of the tension wire through the wire clamp.
8. Overhead line erection tool according to claim 1, characterized in that: the pay-off traction group further comprises 2U-shaped hanging rings, each U-shaped hanging ring comprises a U-shaped hanging ring body, a bolt and a nut, wherein 2 empty holes matched with the bolt cross sections of the U-shaped hanging rings are formed in one side of the fixing device, the bolts in the U-shaped hanging rings pass through the empty holes and then are connected with the hanging ring bodies through the nuts, and two ends of each stranded wire are respectively connected with the 2U-shaped hanging rings through the hanging ring bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099661.9U CN210326721U (en) | 2019-07-11 | 2019-07-11 | Overhead line erecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099661.9U CN210326721U (en) | 2019-07-11 | 2019-07-11 | Overhead line erecting tool |
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| Publication Number | Publication Date |
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| CN210326721U true CN210326721U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921099661.9U Active CN210326721U (en) | 2019-07-11 | 2019-07-11 | Overhead line erecting tool |
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| CN (1) | CN210326721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492389A (en) * | 2019-07-11 | 2019-11-22 | 广东电网有限责任公司 | A kind of overhead transmission line erecting tools |
-
2019
- 2019-07-11 CN CN201921099661.9U patent/CN210326721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492389A (en) * | 2019-07-11 | 2019-11-22 | 广东电网有限责任公司 | A kind of overhead transmission line erecting tools |
| CN110492389B (en) * | 2019-07-11 | 2024-06-14 | 广东电网有限责任公司 | Overhead line erects instrument |
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