CN215817233U - Crossing structure for stringing construction - Google Patents
Crossing structure for stringing construction Download PDFInfo
- Publication number
- CN215817233U CN215817233U CN202121164308.1U CN202121164308U CN215817233U CN 215817233 U CN215817233 U CN 215817233U CN 202121164308 U CN202121164308 U CN 202121164308U CN 215817233 U CN215817233 U CN 215817233U
- Authority
- CN
- China
- Prior art keywords
- magnetic coupling
- supporting rod
- friction
- elastic
- line construction
- 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.)
- Active
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model provides a crossing frame for stringing construction, which comprises an upper supporting rod, a lower supporting rod and a connecting part positioned between the upper supporting rod and the lower supporting rod; the connecting part comprises a buffering energy-absorbing device; the buffering energy absorption device comprises a metal shell and an elastic, friction and magnetic coupling structure positioned in the metal shell; one end of the upper support rod is positioned in the connecting part and is connected with an elastic, friction and magnetic coupling structure in the buffering and energy-absorbing device; the elastic, friction and magnetic coupling action structure comprises an elastic structure, a friction structure and a magnetic coupling structure; one end of the lower supporting rod is located outside the connecting part and is fixedly connected with the metal shell. The utility model greatly reduces the impact of the falling conductor on the crossing frame, improves the safety of the crossing frame for crossing frame line construction for line construction, and saves the cost for the crossing frame for line construction.
Description
Technical Field
The utility model belongs to the field of power transmission equipment, and particularly relates to a crossing frame for stringing construction, which absorbs energy by utilizing the action of elasticity, friction and magnetic coupling.
Background
With the rapid development of extra-high voltage construction, important targets such as the built electric power line, a high-speed railway, an expressway and a rural road are frequently crossed in the construction process of a newly-built electric power line, and the situations of needing cross-over construction are more and more. For large-section conductors which are put into use one after the other, the impact load of the conductor also increases significantly in the event of an accident. The crossing frame is a main construction machine and safety measure for crossing construction, and can ensure the safe and efficient development of engineering.
At the instant the wire drops, the crossing frame is impacted. The impact resistance of conventional spans is significantly insufficient. At present, moso bamboo, a cross bar or a lattice is mostly used in the spanning frame and is a fixed rigid body. Due to collision between rigid bodies, the action time is short, the impact force is large, and the spanning frame is often damaged. In order to prevent the crossing frame from being damaged during impact, the structure of the crossing frame needs to be reinforced, thickened materials are used, the weight and the volume of the top of the crossing frame and the whole structure are large, the setting time is long, and the cost is high.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to overcome the disadvantages of the prior art, the present invention provides a crossing frame for stringing construction, including an upper support rod, a lower support rod, and a connecting part between the upper support rod and the lower support rod;
the connecting part comprises a buffering energy-absorbing device;
the buffering energy absorption device comprises an aluminum or copper metal shell and an elastic, friction and magnetic coupling action structure positioned in the metal shell;
one end of the upper support rod is positioned in the connecting part and is connected with an elastic, friction and magnetic coupling action structure in the buffering and energy-absorbing device;
one end of the lower supporting rod is located outside the connecting part and is fixedly connected with the metal shell.
Further, still include the wire acceptor, the wire acceptor includes the structure of falling trapezoidal.
Further, the inverted trapezoid structure comprises an inclined arm and a flat bottom.
Furthermore, the elastic, friction and magnetic coupling action structure comprises an elastic structure, a friction structure and a magnetic coupling structure, the magnetic coupling structure is fixedly connected with one end of the upper supporting rod, and the elastic, friction and magnetic coupling action structure can delay the relative movement of the upper supporting rod and the lower supporting rod and absorb the impact caused by the falling of the upper supporting rod.
Further, the resilient structure includes a spring positioned between the metal housing and the magnetic coupling structure.
Further, the friction structure includes an elastic rubber ring that is located between the metal housing and the upper support bar and includes at least a portion of the upper support bar.
Further, the magnetic coupling structure comprises a disc-shaped magnet, the disc-shaped magnet is fixedly connected with one end of the upper supporting rod, and the elastic structure and the disc-shaped magnet are arranged inside the metal shell.
Further, the magnetic isolation structure is further included and fixed at the lower part of the disc-shaped magnetic coupling structure.
Further, the rigid structure comprises aluminum or copper.
The utility model greatly reduces the speed of the lead after colliding with the crossing frame, prolongs the action time, absorbs the kinetic energy of the lead when falling, greatly improves the safety of the crossing frame for stringing construction and saves the cost of the crossing frame for stringing construction by arranging the buffering and energy absorbing device.
Drawings
Fig. 1 is a schematic view of a spanning frame for stringing construction according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an elastic, frictional and magnetic coupling structure of a wire-stringing construction crossing structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-2, the crossing structure for stringing construction according to the present invention includes an upper support rod 1, a lower support rod 2, and a connecting portion 3 between the upper support rod 1 and the lower support rod 2;
the connecting part 3 comprises a buffering energy-absorbing device;
the buffering energy absorption device comprises an aluminum or copper metal shell 4 and an elastic, friction and magnetic coupling action energy absorption structure positioned in the metal shell 4;
one end of the upper support rod 1 is positioned inside the connecting part 3 and is connected with an elastic, friction and magnetic coupling action structure in the buffering and energy-absorbing device;
one end of the lower support rod 2 is located outside the connecting part 3 and is fixedly connected with the metal shell 4.
In one embodiment, the wire receiving part is positioned at the top end of the upper support rod 1 and comprises an inverted trapezoid structure.
In one embodiment, the inverted trapezoidal structure comprises an inclined arm and a flat bottom.
In one embodiment, the elastic, friction and magnetic coupling structure comprises an elastic structure 5 and a magnetic coupling structure 7, the magnetic coupling structure 7 is fixedly connected with one end of the upper support rod 1, and the elastic, friction and magnetic coupling structure can delay the relative movement of the upper support rod 1 and the lower support rod 2 and absorb the impact caused by the falling of the upper support rod 1.
In one embodiment, the magnetic coupling structure 7 comprises a disc-shaped magnet fixedly connected to one end of the upper support rod 1, and the elastic structure abuts against the disc-shaped magnet inside the metal housing.
In one embodiment, the resilient structure comprises a spring 5, the spring 5 being located between the metal housing 4 and the disc-shaped magnetic coupling structure.
In one embodiment, the friction structure further comprises an elastic rubber ring 8, the elastic rubber ring 8 being located between the metal housing 4 and the upper support bar 1 and comprising at least a portion of the upper support bar 1.
In one embodiment, the magnetic shielding structure 6 is further included, and the magnetic shielding structure 6 is fixed at the lower part of the disc-shaped magnetic coupling structure.
In one embodiment, the magnetic shield 6 comprises aluminum or copper.
According to the embodiment of the present invention, when the wire C descends, the impact force thereof is limited by three forces, so that the impact force is reduced:
the spring 5 forming a rebound force;
friction between the outer wall of the elastic rubber ring 8 and the inner wall of the metal casing 4;
when the magnetic coupling structure 7 moves, the magnetic field of the magnetic coupling structure also moves, an induced current is formed on the metal shell 4 with a closed loop, and the magnetic field formed by the induced current can slow down the descending speed of the magnetic coupling structure 7 and the upper support rod 1 according to the electromagnetic induction rule.
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 utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A crossing frame for stringing construction is characterized by comprising an upper supporting rod, a lower supporting rod and a connecting part positioned between the upper supporting rod and the lower supporting rod;
the connecting part comprises a buffering energy-absorbing device;
the buffering energy absorption device comprises an aluminum or copper metal shell and an elastic, friction and magnetic coupling action structure positioned in the metal shell;
one end of the upper support rod is positioned in the connecting part and is connected with an elastic, friction and magnetic coupling action structure in the buffering and energy-absorbing device;
one end of the lower supporting rod is located outside the connecting part and is fixedly connected with the metal shell.
2. The spanning frame for overhead line construction according to claim 1,
the wire bearing part comprises an inverted trapezoidal structure.
3. The spanning frame for overhead line construction according to claim 2,
the inverted trapezoidal structure comprises an inclined arm and a flat bottom.
4. The spanning frame for overhead line construction according to claim 1,
the elasticity, friction and magnetic coupling action structure comprises an elastic structure, a friction structure and a magnetic coupling structure, the magnetic coupling structure is fixedly connected with one end of the upper supporting rod, and the elasticity, friction and magnetic coupling action structure can delay the relative movement of the upper supporting rod and the lower supporting rod and absorb the impact caused by the falling of the upper supporting rod.
5. The spanning frame for overhead line construction according to claim 4,
the resilient structure includes a spring positioned between the metal housing and the magnetic coupling structure.
6. The spanning frame for overhead line construction according to claim 5,
the friction structure includes an elastic rubber ring located between the metal housing and the upper support bar and including at least a portion of the upper support bar.
7. The spanning frame for overhead line construction according to claim 6,
the magnetic coupling structure comprises a disc-shaped magnet, the disc-shaped magnet is fixedly connected with one end of the upper supporting rod, and the elastic structure and the disc-shaped magnet are arranged inside the metal shell.
8. The crossing structure for stringing as in claim 7, further comprising a magnetic shielding structure fixed to a lower portion of said disc-shaped magnetic coupling structure.
9. The spanning frame for overhead line construction according to claim 8,
the magnetic isolation structure comprises aluminum or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164308.1U CN215817233U (en) | 2021-05-23 | 2021-05-23 | Crossing structure for stringing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164308.1U CN215817233U (en) | 2021-05-23 | 2021-05-23 | Crossing structure for stringing construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817233U true CN215817233U (en) | 2022-02-11 |
Family
ID=80174248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121164308.1U Active CN215817233U (en) | 2021-05-23 | 2021-05-23 | Crossing structure for stringing construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817233U (en) |
-
2021
- 2021-05-23 CN CN202121164308.1U patent/CN215817233U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107380106A (en) | A kind of epitaxial buffer formula truck rear bumper | |
| CN209397759U (en) | A kind of building damper | |
| CN215817233U (en) | Crossing structure for stringing construction | |
| CN111585196A (en) | Distribution box protective equipment | |
| CN115395423A (en) | Crossing frame for stringing construction capable of absorbing energy by utilizing elasticity, friction and magnetic coupling effects | |
| KR101375390B1 (en) | Buffer device of the elevator | |
| CN209178822U (en) | A kind of bridge guardrail | |
| CN208325121U (en) | A kind of auto-safety mechanism based on front bumper | |
| CN208294139U (en) | A kind of protection canopy with resiliency | |
| CN213151425U (en) | High-voltage power distribution cabinet with shock-absorbing function | |
| CN108867366A (en) | A kind of Collison fence for bridge | |
| CN114023532A (en) | Anti-collision protection device of transformer | |
| CN220585020U (en) | Impact-resistant transformer | |
| CN112195865A (en) | Novel ship collision prevention device assembled on bridge bearing platform | |
| CN217881070U (en) | Outdoor dry-type air-core reactor | |
| CN209497149U (en) | A kind of architectural electricity power distribution cabinet damping installation seat | |
| CN207645570U (en) | A kind of dynamic apparatus for lift | |
| CN109802349B (en) | Overhead line multistage vibration reduction energy consumption device | |
| CN208548716U (en) | A kind of photovoltaic power generation exchange grid connection box safety device | |
| RU217141U1 (en) | Device for dumping ice-frost deposits from the wires of an overhead power line | |
| CN215911827U (en) | Crossing frame with spherical hinge and spring structure for stringing construction | |
| CN212724960U (en) | High-strength wear-resistant transformer iron core | |
| CN206088652U (en) | Elevator buffer device | |
| CN215220420U (en) | Reactor device with buffer protection function | |
| CN205303546U (en) | Batteries of electric vehicle organizes protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |