CN209833419U - Carrier cable suspension pulley and carrier cable suspension pulley windproof suspension structure - Google Patents
Carrier cable suspension pulley and carrier cable suspension pulley windproof suspension structure Download PDFInfo
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- CN209833419U CN209833419U CN201920586017.8U CN201920586017U CN209833419U CN 209833419 U CN209833419 U CN 209833419U CN 201920586017 U CN201920586017 U CN 201920586017U CN 209833419 U CN209833419 U CN 209833419U
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Abstract
The utility model discloses a carrier cable suspension pulley and a windproof suspension structure thereof, the carrier cable suspension pulley comprises a frame, a pulley is arranged in the frame, a pair of suspension points are arranged on the upper part of the frame, a pull wire hole is arranged on the lower part of the frame, and a fixed rope clamp is arranged on the top of the frame; the windproof suspension structure is characterized in that each suspension point is connected with a lifting rope, the pair of lifting ropes are arranged in a V shape, the fixed rope wire clamp is fixed on the upper fixed rope, and the stay wire hole is connected with a diagonal rope with one end fixed on the lower fixed rope; the windproof suspension pulley is simultaneously connected with the upper fixing rope and the carrier cable wire, so that the safety and the reliability of the suspension pulley are improved, and the safety performance of the electrified contact net is improved.
Description
Technical Field
The utility model relates to a kind of hanging device is unified to electric railway contact net system belongs to electric railway contact net part and makes technical field, specifically is electric railway with preventing wind hanging pulley.
Background
In the structure of the suspension pulley for the common electrified railway, a pulley wheel body is fixed with a pulley frame through a wheel shaft, a catenary is placed in a pulley groove, and the upper end of the frame adopts a limit pin to limit the catenary to be out of the groove; the pulley frame is suspended at the ear hole at the lower part of the positioning ring wire clamp arranged on the upper positioning rope through the positioning hook in a hook-and-loop connection mode. The common suspension pulley is easy to have wind swing and deflection in strong wind areas such as Xinjiang, coastal areas and the like, thereby causing abnormal wear of the carrier cable, even causing accidents such as breakage of a limit pin, strand breakage of the carrier cable and the like, and influencing the driving safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the windproof suspension pulley and the windproof suspension structure thereof for the electrified railway are provided, and have the functions of the traditional suspension pulley and the positioning ring wire clamp. And compare with the tradition pulley that suspends in midair, reduced part quantity, improved the pulley anti-wind stability that suspends in midair, can solve under the strong wind environment messenger wire and take off groove, partial wear scheduling problem, alleviateed the bearing of upper portion location cable, and then improved the security and the reliability of electronic way contact net, the utility model discloses the technical scheme who adopts is:
the carrier cable suspension pulley comprises a frame, wherein a pulley is installed in the frame, a pair of suspension points are arranged on the upper portion of the frame, a pull wire hole is formed in the lower portion of the frame, and a fixed rope clamp is further installed on the top of the frame.
Furthermore, a limiting pin for limiting the carrier cable to be separated from the pulley groove is arranged on the frame.
Furthermore, the suspension point is positioned at one end of the frame for installing and fixing the rope clamp, the wire pulling hole is positioned at one end of the frame opposite to the suspension point, the center of the wire pulling hole, the center of the pulley and the installation center of the fixed rope clamp are coplanar, and the suspension points are symmetrically arranged by taking the axis of the pulley as the center.
Furthermore, the hanging point adopts a bolt pin, and the pull wire hole adopts a through hole.
Furthermore, the fixed rope clamp comprises a supporting clamp connected to the frame, and a pressing block is mounted on the supporting clamp through a bolt.
The utility model provides a carrier cable suspends pulley in midair and prevents wind suspended structure, includes carrier cable suspends the pulley in midair, should suspend the pulley in midair and include the frame in install the pulley frame upper portion be equipped with a pair of suspension point the frame lower part be equipped with the acting as go-between hole the frame top still install fixed rope fastener, each suspension point all be connected with the lifting rope, should be the V type setting to the lifting rope, fixed rope fastener fix on the fixed rope in upper portion the acting as go-between hole on be connected with one end and fix the oblique stay cord on the fixed rope in lower part.
Furthermore, one end of the lifting rope is connected with an insulator fixed on a suspension device, and the suspension device is a positioning cable type hard cross beam or a soft cross.
Furthermore, a limiting pin for limiting the carrier cable to be separated from the pulley groove is arranged on the frame.
Furthermore, the suspension point is positioned at one end of the frame for installing and fixing the rope clamp, the pull wire hole is positioned at one end of the frame opposite to the suspension point, the pull wire hole, the center of the pulley and the installation point of the fixed rope clamp are collinear, and the pair of suspension points are symmetrically arranged by taking the axis of the pulley as the center; the hanging point adopts a bolt pin, and the pull wire hole adopts a through hole.
Furthermore, the fixed rope clamp comprises a supporting clamp connected to the frame, and a pressing block is mounted on the supporting clamp through a bolt.
The utility model discloses compare advantage and effect that have with the conventional art:
the windproof suspension pulley is simultaneously connected with the upper fixing rope and the carrier cable wire, so that the stability and reliability of the installation of the suspension pulley are improved, the suspension pulley frame can be effectively prevented from deflecting along the line direction due to strong wind and strong wind in a strong wind section, the fixed connection of the carrier cable clamp and the positioning rope provides an anti-torsion function along the vertical line direction, and the swinging along the vertical line direction is prevented, so that the eccentric wear or groove shedding risk of the carrier cable caused by the deflection of a pulley wheel body along with a wheel axle is avoided, the safety and reliability of the suspension pulley are improved, and the safety performance of an electrified contact net is improved.
Drawings
Fig. 1 is a front view of the carrier cable suspension pulley of the present invention;
fig. 2 is a side view of the messenger wire suspension pulley of the present invention;
fig. 3 is a schematic structural view of embodiment 1 of the windproof suspension structure of the suspension pulley of the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
fig. 5 is a schematic structural view of embodiment 2 of the wind-proof suspension structure of the suspension pulley of the present invention;
FIG. 6 is a view taken along line B of FIG. 5;
fig. 7 is a partial enlarged view of the suspension pulley wind-proof suspension structure.
Detailed Description
The suspension pulley as shown in fig. 1 and 2 comprises a frame 1, wherein the frame 1 is composed of two T-shaped plates, a pulley 2 is arranged in the frame 1, a pair of suspension points 3 and a wire drawing hole 4 are arranged on the frame 1, the suspension points 3 are arranged on the upper part of the frame 1, the wire drawing hole 4 is arranged on the lower part of the frame 1, and a fixed rope clamp 5 is also arranged on the top of the frame 1. The suspension points 3 are symmetrically arranged by taking the axle center of the pulley 2 as the center, the centers of the pull wire holes 4 and the installation center of the fixed rope clamp 5 are coplanar with the center of the pulley 2, namely the centers of the three are positioned on the same straight line as shown in figure 1, the arrangement enables the connecting lines between the two suspension points 3 and the pull wire holes 4 to form an isosceles triangle, and therefore a more stable state is provided for the subsequent installation of the suspension pulley 2. In order to prevent the carrier cable erected in the pulley groove from separating, a limiting pin 6 is further arranged on the frame 1, the carrier cable is limited in the pulley groove through the limiting pin 6 after being erected in the pulley groove, and in order to avoid friction damage to the limiting pin 6, a sleeve can be movably arranged on the limiting pin 6. The fixed rope clamp 5 is used for fixing an upper fixed rope on a rail transit line, the traditional mode is that the fixed rope clamp is unreliable in a hook, the fixed rope clamp 5 comprises a support clamp 5-1 and a pressing block 5-2, the support clamp 5-1 is connected with a frame 1 through a bolt, the pressing block 5-2 is connected with the support clamp 5-1 through a bolt to fixedly clamp an upper fixed rope 8 between the support clamp 5-1 and the pressing block, the fixing mode is firmer and more reliable than the hook mode, and the stability of a suspended pulley is improved. The hanging point 3 in the structure adopts a bolt pin structure, and the pull wire hole 4 adopts a through hole structure.
Fig. 3-7 show a wind-proof suspension structure using the above-mentioned suspension pulleys, which is fitted with upper 8 and lower 8 dead lines and suspension means 11 on the electrified railway, where the suspension means 11 can be a hard cross-beam of the stay cable type in fig. 3 or a soft cross-beam in fig. 5. When the suspension structure is installed, the suspension pulleys with the structure are adopted, the two suspension points 3 are respectively connected with the lifting rope 7, one end of the lifting rope 7 is connected with the insulator 12 when the suspension device 11 is a positioning rope type hard beam, and the insulator 12 is fixed on the positioning rope type hard beam; and when the suspension device 11 is a soft cross, one end of the lifting rope 7 can be directly fixed on the soft cross. After the two lifting ropes 7 are fixed, the two lifting ropes form a V-shaped arrangement, namely the two lifting ropes respectively lift the frame 1 obliquely upwards, and the suspension pulleys keep balance in practice when the oblique pulling angles of the two lifting ropes 7 are the same. Fixed rope fastener 5 is then fixed on the fixed rope 8 in upper portion, connects a stay cord 10 on the guy hole 4 of frame 1, and this stay cord 10 one end is fixed on the fixed rope 9 in lower part, can be according to having made the slope setting with the crosswind opposite direction of crosswind to stay cord 10 as the crosswind direction, makes like this that the crosswind blows to and prevents the pulley slope upset to the stay cord 10 provides a traction force when suspending the pulley in midair, and the wind of 2 axis directions of perpendicular to pulley and the traction force of two lifting ropes 7 offset each other and reach the balance.
Claims (10)
1. Messenger wire suspends pulley in midair, including frame (1) in install pulley (2), its characterized in that: the upper part of the frame (1) is provided with a pair of hanging points (3), the lower part of the frame (1) is provided with a wire pulling hole (4), and the top of the frame (1) is also provided with a fixed rope clamp (5).
2. The catenary suspension sheave of claim 1, wherein: and a limiting pin (6) for limiting the carrier cable to be separated from the pulley groove is arranged on the frame (1).
3. The catenary suspension pulley of claim 1 or 2, wherein: the suspension point (3) is located at one end of a frame (1) for installing and fixing a rope clamp (5), the wire pulling hole (4) is located at one end, opposite to the suspension point (3), of the frame (1), the center of the wire pulling hole (4), the center of the pulley (2) and the installation center of the fixed rope clamp (5) are coplanar, and the suspension point (3) is symmetrically arranged by taking the axis of the pulley (2) as the center.
4. The catenary suspension sheave of claim 3, wherein: the hanging point (3) adopts a bolt pin, and the pull wire hole (4) adopts a through hole.
5. The catenary suspension sheave of claim 1, wherein: the fixed rope clamp (5) comprises a wire supporting clamp (5-1) connected to the frame (1), and a pressing block (5-2) is mounted on the wire supporting clamp (5-1) through a bolt.
6. The utility model provides a carrier cable suspends pulley and prevent wind suspended structure, includes carrier cable suspends pulley in midair, should suspend pulley in midair and include frame (1) in install the pulley, its characterized in that: frame (1) upper portion be equipped with a pair of suspension point (3) frame (1) lower part be equipped with act as go-between hole (4) frame (1) top still install fixed rope fastener (5), each suspension point (3) all be connected with lifting rope (7), should be the setting of V type to lifting rope (7), fixed rope fastener (5) fix on upper portion fixed rope (8) act as go-between hole (4) on be connected with one end and fix oblique stay cord (10) on lower part fixed rope (9).
7. The catenary suspension pulley wind-resistant suspension structure of claim 6, wherein: one end of the lifting rope (7) is connected with an insulator (12) fixed on a suspension device (11), and the suspension device (11) is a positioning rope type hard beam or soft cross.
8. The catenary suspension pulley wind-resistant suspension structure of claim 6, wherein: and a limiting pin (6) for limiting the carrier cable to be separated from the pulley groove is arranged on the frame (1).
9. A catenary suspension sheave wind-resistant suspension structure as claimed in claim 6 or 7 or 8 wherein: the suspension point (3) is positioned at one end of the frame (1) for installing the fixed rope clamp (5), the pull wire hole (4) is positioned at one end of the frame (1) opposite to the suspension point (3), the pull wire hole (4), the center of the pulley (2) and the installation point of the fixed rope clamp (5) are collinear, and the suspension points (3) are symmetrically arranged by taking the axis of the pulley (2) as the center; the hanging point (3) adopts a bolt pin, and the pull wire hole (4) adopts a through hole.
10. A catenary suspension sheave wind-resistant suspension structure as claimed in claim 6 or 7 or 8 wherein: the fixed rope clamp (5) comprises a wire supporting clamp (5-1) connected to the frame (1), and a pressing block (5-2) is mounted on the wire supporting clamp (5-1) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586017.8U CN209833419U (en) | 2019-04-26 | 2019-04-26 | Carrier cable suspension pulley and carrier cable suspension pulley windproof suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586017.8U CN209833419U (en) | 2019-04-26 | 2019-04-26 | Carrier cable suspension pulley and carrier cable suspension pulley windproof suspension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209833419U true CN209833419U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920586017.8U Active CN209833419U (en) | 2019-04-26 | 2019-04-26 | Carrier cable suspension pulley and carrier cable suspension pulley windproof suspension structure |
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| Country | Link |
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| CN (1) | CN209833419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978318A (en) * | 2021-12-10 | 2022-01-28 | 柳州桂通精密铸造有限公司 | Wire clamp type cross cable eccentric wear processing device |
-
2019
- 2019-04-26 CN CN201920586017.8U patent/CN209833419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978318A (en) * | 2021-12-10 | 2022-01-28 | 柳州桂通精密铸造有限公司 | Wire clamp type cross cable eccentric wear processing device |
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