CN111146730A - Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction - Google Patents
Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction Download PDFInfo
- Publication number
- CN111146730A CN111146730A CN202010176723.2A CN202010176723A CN111146730A CN 111146730 A CN111146730 A CN 111146730A CN 202010176723 A CN202010176723 A CN 202010176723A CN 111146730 A CN111146730 A CN 111146730A
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- Prior art keywords
- pay
- locking
- piece
- split conductor
- conductor protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention relates to the field of electric network construction equipment, in particular to an electric network three-span construction double-split conductor protection controllable door-opening pay-off pulley, which comprises a pay-off wheel bracket and a pay-off wheel, wherein the pay-off wheel bracket is connected to a catenary through a pulley, the pay-off wheel is rotatably arranged on the pay-off wheel bracket, a pay-off space for placing a cable is arranged at the upper position of the pay-off wheel bracket and the pay-off wheel, a wire passing channel for the cable to transversely enter is arranged at the pay-off space, a sealing mechanism for sealing the wire passing channel is arranged on the pay-off wheel bracket, the sealing mechanism comprises a sealing piece and a locking piece for locking the sealing piece, connecting structures for connecting a control rope are arranged on the sealing piece and the locking piece, when the electric network three-span construction double-split conductor protection controllable door-opening pay-off pulley is used, the locking, because the closing part can be locked by the locking part, the accidental disengagement is avoided, and the safety is improved.
Description
Technical Field
The invention relates to the field of power grid construction equipment, in particular to a controllable door-opening pay-off tackle for power grid three-span construction double-split conductor protection.
Background
In the crossing construction of the power grid, a crossing frame is mostly erected above a crossed object by using bamboo poles or steel pipes, with the continuous improvement of the crossing construction process, the crossing mode is continuously enriched, and a cableway crossing method, an insulated bridge type and other large-scale suspension cable crossing construction schemes are increasingly adopted by the power grid construction. The conventional suspension cable crossing construction device is limited by a structure and generally has poor safety, so that a construction tool with higher safety is urgently needed.
Disclosure of Invention
The invention provides a controllable door-opening pay-off tackle for protecting a double-split conductor in three-span construction of a power grid, and aims to solve the problem of a safety line of an existing construction tool.
The controllable door-opening pay-off tackle for protecting the three-span construction double-split conductor of the power grid adopts the following technical scheme:
electric wire netting triple-span construction two controllable unwrapping wire coaster that opens door of split conductor protection sets up including being used for connecting the actinobacillus wheel support on the catenary through the pulley and rotating the unwrapping wire wheel on the actinobacillus wheel support, the actinobacillus wheel support with the unwrapping wire wheel is equipped with the unwrapping wire space that is used for placing the cable in upper position department, unwrapping wire space department is equipped with the wire passing channel that is used for supplying the cable to transversely get into, be equipped with on the actinobacillus wheel support be used for with wire passing channel confined closing mechanism, closing mechanism include the closure and be used for with the retaining member of closure locking, just the closure with all be equipped with the connection structure who is used for supplying the control rope to connect on the retaining member.
The closing member is assembled on the paying-off wheel support in a rotating mode, the locking member is arranged between the paying-off wheels in a sliding mode and provided with a blocking position for blocking the closing member and an avoiding position for avoiding the closing member.
And the locking elastic piece is connected with the locking piece and used for applying elastic force to the locking piece so as to keep the locking piece in a locking position.
The rotating shaft of the closing member is disposed at a lower position, and the closing member is disposed below the closing member.
And a sealing elastic piece which applies elastic force to the sealing piece to keep the sealing piece closed is connected to the sealing piece.
The closed elastic piece is a torsion spring.
The locking piece is a locking pin, and the locking elastic piece is a cylindrical spring sleeved on the locking pin.
The connecting structure is a connecting hole for connecting the control rope.
The invention has the beneficial effects that: the invention relates to a power grid three-span construction double-split conductor protection controllable door-opening pay-off pulley, which comprises a pay-off wheel bracket and a pay-off wheel, wherein the pay-off wheel bracket is connected to a catenary through a pulley, the pay-off wheel is rotatably arranged on the pay-off wheel bracket, a pay-off space for placing a cable is arranged at the upper position of the pay-off wheel bracket and the pay-off wheel, a wire passing channel for the cable to transversely enter is arranged at the pay-off space, a sealing mechanism for sealing the wire passing channel is arranged on the pay-off wheel bracket, the sealing mechanism comprises a sealing piece and a locking piece for locking the sealing piece, and connecting structures for connecting a control rope are arranged on the sealing piece and the locking piece respectively, when in use, the locking piece is pulled to be separated from the sealing piece through a control line, then the wire passing channel of the sealing piece is pulled to, the accidental disconnection is avoided, and the safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of a power grid three-span construction double-bundled-conductor protection controllable door-opening pay-off tackle of the invention in use;
FIG. 2 is a schematic structural diagram of a controllable door-opening pay-off tackle for protecting a double-bundled conductor in three-span construction of the power grid in FIG. 1;
FIG. 3 is a schematic of the closure mechanism;
in the figure: 1. a catenary cable; 2. adjusting the control rope; 3. a triangular connecting plate; 4. a wire releasing wheel mechanism; 5. an insulating control cord; 31. an upper connecting plate; 40. putting on a shelf; 41. a right-angle hanging plate; 42. connecting a hanging ring; 43. a paying-off wheel bracket; 44. a paying-off wheel; 45. a closure; 46. a locking member; 47. a torsion spring; 48. a cylindrical spring; 451. a first connection hole; 431. a guide plate; 432. a support plate; 461. a ring platform; 462. and a second connection hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the controllable door opening and pay-off pulley for protecting the power grid three-span construction double-split conductor comprises a pay-off wheel bracket 43 connected to a catenary 1 through a pulley and a pay-off wheel 44 rotatably arranged on the pay-off wheel bracket 43, wherein a pay-off space for placing cables is arranged at the upper positions of the pay-off wheel bracket 43 and the pay-off wheel, a cable passing channel for the cables to transversely enter is arranged at the pay-off space, a closing mechanism for closing the cable passing channel is arranged on the pay-off wheel bracket 43, the closing mechanism comprises a closing piece 45 and a locking piece 46 for locking the closing piece 45, and connecting structures for connecting control ropes are arranged on the closing piece 45 and the locking piece 46.
In this embodiment, the closing member 45 is rotatably assembled on the paying-off wheel bracket 43, the locking member 46 is slidably disposed between the paying-off wheels and has a locking position for blocking the closing member 45 and an avoiding position for avoiding the closing member 45, that is, the closing member adopts a turnover door structure, so that the reliability is higher, and the locking member adopts a sliding arrangement to reliably lock the closing member.
In order to avoid accidental disengagement, in the embodiment, the locking member is connected with a locking elastic member for applying elastic force to the locking member to keep the locking member in the locking position, so that under the normal condition, the locking elastic member keeps the locking member in the locking position through the elastic force, and the safety is further ensured.
In this embodiment, the rotating shaft of the closing member is arranged at a lower position, and the closing member is arranged below the closing member, so that the opening of the closing member is arranged at an upper position after the closing member is opened, and the cable can be placed into the paying-off space from the upper position, and the use is very convenient.
Meanwhile, the closing piece is connected with a closing elastic piece which applies elastic force to the closing piece to keep the closing piece closed, so that the closing piece can be restored after the control rope is loosened.
Specifically, the closed elastic part is a torsion spring 47, so that the structure is simple, the installation is convenient, and the reliability is improved.
The locking piece is a locking pin, and the locking elastic piece is a cylindrical spring 48 sleeved on the locking pin, so that the installation is convenient. Specifically, a supporting plate 432 and a guide plate 431 are arranged on the paying-off wheel bracket 43, and the locking pin is inserted between the supporting plate 432 and the guide plate 431 in a guiding movement manner, so that the moving smoothness of the locking pin is improved.
The connection structure is a connection hole for connection of the control string, specifically, a first connection hole 451 and a second connection hole 462.
When the controllable door-opening pay-off tackle for protecting the three-span construction of the power grid, disclosed by the invention, is used, the controllable door-opening pay-off tackle is arranged at two corner positions of a triangular connecting plate 3, an adjusting control rope 2 penetrates through a pulley on a carrier cable 1 and is connected to the triangular connecting plate 3, and meanwhile, one end of an insulating control rope 5 is connected to a first connecting hole, and the other end of the insulating control rope is connected to a second connecting hole. When the cable crossing structure is used, the lock pin is pulled downwards, then the closing piece is pulled, the upper wire passing channel between the two pulleys is opened, and the lead is placed into the crossing construction cable. After the cable is laid, the closing piece and the locking pin are released, the closing piece and the locking pin are reset, and the pulley is closed. An insulating rope with the diameter of 4mm is arranged between the sealing piece and the connecting hole of the lock pin, namely, a small door opening rope, the length of the small door opening rope is 2 times greater than the linear distance between the two connecting holes, then, the insulating rope which can reach the ground height (different lengths are adjusted according to construction requirements) is tied at one end of the small door opening rope, a micro connecting ring is hung on the small door opening rope, and the ground staff controls the opening and closing of the door opening sliding car door according to the working requirements.
Ground staff set up a bearing cableway on the top of the adjacent towers in construction, and the triangular connecting plate is pulled by using a height adjusting insulating rope on a double-wheel following pulley on the cableway so as to achieve the purpose that the construction lead keeps a certain safety distance to spanning objects.
The triangular connecting plate is made of aluminum alloy materials, and two opposite ends of each opposite angle are hollowed out, so that the purpose of reducing the weight of the connecting plate is achieved.
The connection between the triangular connecting plate and the controllable door opening pulley is a right-angle hanging plate 41 which is a standard material of a power transmission line. The connecting hanging ring 42 at the top of the controllable door opening pulley can realize 360-degree rotation.
In other embodiments of the invention, the closing piece can also be arranged on the paying-off wheel bracket in a sliding way; the locking elastic piece can also be a tension spring; the closed elastic element can also adopt a tension spring.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction, its characterized in that: including being used for connecting the actinobacillus wheel support on the messenger through the pulley and rotating the setting and be in actinobacillus wheel on the actinobacillus wheel support, the actinobacillus wheel support with actinobacillus wheel position department in the top is equipped with the unwrapping wire space that is used for placing the cable, unwrapping wire space department is equipped with the wire passing channel that is used for supplying the horizontal entering of cable, be equipped with on the actinobacillus wheel support be used for with wire passing channel confined closing mechanism, closing mechanism include the closure and be used for with the retaining member of closure locking, just the closure with all be equipped with the connection structure who is used for supplying the control rope to connect on the retaining member.
2. The electric network three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in claim 1, wherein: the closing member is assembled on the paying-off wheel support in a rotating mode, the locking member is arranged between the paying-off wheels in a sliding mode and provided with a blocking position for blocking the closing member and an avoiding position for avoiding the closing member.
3. The electric network three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in claim 2, wherein: and the locking elastic piece is connected with the locking piece and used for applying elastic force to the locking piece so as to keep the locking piece in a locking position.
4. The electric network three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in claim 3, wherein: the rotating shaft of the closing member is disposed at a lower position, and the closing member is disposed below the closing member.
5. The electric network three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in claim 4, wherein: and a sealing elastic piece which applies elastic force to the sealing piece to keep the sealing piece closed is connected to the sealing piece.
6. The electric network three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in claim 5, wherein: the closed elastic piece is a torsion spring.
7. The power grid three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in any one of claims 3 to 6, wherein: the locking piece is a locking pin, and the locking elastic piece is a cylindrical spring sleeved on the locking pin.
8. The power grid three-span construction double-split conductor protection controllable door-opening pay-off tackle as claimed in any one of claims 1 to 6, wherein: the connecting structure is a connecting hole for connecting the control rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176723.2A CN111146730A (en) | 2020-03-13 | 2020-03-13 | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176723.2A CN111146730A (en) | 2020-03-13 | 2020-03-13 | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111146730A true CN111146730A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010176723.2A Pending CN111146730A (en) | 2020-03-13 | 2020-03-13 | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction |
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| CN (1) | CN111146730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564788A (en) * | 2020-05-29 | 2020-08-21 | 青海送变电工程有限公司 | Special bracket for multi-bundle conductor over-wheel temporary anchor rope |
-
2020
- 2020-03-13 CN CN202010176723.2A patent/CN111146730A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564788A (en) * | 2020-05-29 | 2020-08-21 | 青海送变电工程有限公司 | Special bracket for multi-bundle conductor over-wheel temporary anchor rope |
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