CN216709075U - Bird nest prevention device applied to electrified railway contact net H-shaped steel strut - Google Patents
Bird nest prevention device applied to electrified railway contact net H-shaped steel strut Download PDFInfo
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- CN216709075U CN216709075U CN202220295511.0U CN202220295511U CN216709075U CN 216709075 U CN216709075 U CN 216709075U CN 202220295511 U CN202220295511 U CN 202220295511U CN 216709075 U CN216709075 U CN 216709075U
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Abstract
The utility model discloses a bird nest prevention device applied to an H-shaped steel strut of an electrified railway contact net, which at least comprises the following two different components: a. the shoulder frame bird prevention cover is used for shielding the joint of the H-shaped steel strut and the shoulder frame; b. the hard anchor bird-preventing cover is used for shielding hard anchor mounting points of a positive feeder line and a return line on the H-shaped steel strut; c. the return line bird prevention cover is used for shielding the return line passing position on the H-shaped steel strut; d. the cantilever base blocking pad is used for blocking a gap of the upper cantilever base of the H-shaped steel strut; e. a ratchet anti-bird cover for sheltering from ratchet installation department on the H shaped steel pillar. The utility model is suitable for the H-shaped steel support of the contact network, adopts a 'shielding occupation mode' to almost perfectly solve the problem of bird damage at all positions on the H-shaped steel support, effectively avoids the power supply equipment tripping fault caused by bird nesting, greatly reduces bird damage accidents, and ensures the safe and stable operation of the contact network system.
Description
Technical Field
The utility model belongs to the technical field of safety protection of contact networks, and particularly relates to a bird nest prevention device applied to an H-shaped steel pillar of an electrified railway contact network.
Background
Along with the increase of the operation mileage of the electrified railway in China, the potential safety hazard caused by bird activities to the operation of a contact network system is prominent day by day, and the main performance is as follows: birds nest on the structure of the contact net increasingly frequently, and materials such as branches and iron wires used for building nest cavities are easy to cause short circuit, tripping and power failure of the contact net, and even can cause disconnection of the contact net or burning loss of equipment.
At present, the bird damage problem on the overhead line system framework is mostly solved by adopting an occupying bird repelling device. For example, a chinese patent application with publication number "CN 112120008A" discloses a novel cross arm type bird nesting prevention device, which is formed by enclosing a plurality of triangular plates and rectangular plates, and can be fixed on a cross arm framework to prevent birds from standing, thereby preventing the birds from nesting on the cross arm. However, the device can only achieve the purpose of preventing birds from nesting at the corner grooves of the cross arm, and is not suitable for H-shaped steel pillars or other contact net structures. This is also the ubiquitous defect problem of current occupy-place bird repellent device: the method is only suitable for certain specific positions and has poor universality.
In the prior art, the occupying bird repelling device with a single structure is difficult to meet the bird damage prevention requirements of different positions of a catenary framework, and is particularly shown on H-shaped steel pillars with various power equipment and different fixed forms.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the bird nest prevention device applied to the H-shaped steel support of the overhead contact system of the electrified railway, so as to solve the problem of bird damage at different positions on the H-shaped steel support.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an be applied to bird's nest device that prevents of electronic railway connecting net H shaped steel pillar, includes two kinds of following arbitrary different members at least: a. the shoulder frame bird-preventing cover is used for shielding the joint of the H-shaped steel pillar and the shoulder frame; b. the hard anchor bird-proof cover is used for shielding hard anchor mounting points of a positive feeder line and a return line on the H-shaped steel strut; c. the return line bird-preventing cover is used for shielding the return line passing position on the H-shaped steel strut; d. the cantilever base blocking pad is used for blocking a gap of the upper cantilever base of the H-shaped steel strut; e. a ratchet anti-bird cover for sheltering from ratchet installation department on the H shaped steel pillar.
As the limitation of the utility model, the shoulder frame bird prevention cover, the hard anchor bird prevention cover, the return line bird prevention cover and the ratchet wheel bird prevention cover are all metal bird prevention covers which are integrally formed by adopting a stamping and bending process.
As a further limitation of the utility model, the anti-bird shoulder frame structure further comprises a hook bolt for fixedly mounting the anti-bird shoulder frame cover and the anti-bird return line cover on the H-shaped steel support.
As a further limitation of the present invention, the bottom of the return wire bird-proof cover is provided with a threading slot for the return wire to pass through.
As a further limitation of the utility model, the hard anchor bird prevention cover comprises a first bird prevention cover and a second bird prevention cover which can be symmetrically and fixedly arranged on two sides of the H-shaped steel support; and the relative positions of the bottoms of the first bird prevention cover and the second bird prevention cover are provided with through grooves for the hard anchor connecting seat to pass through.
As still further limitation, the ratchet wheel bird prevention cover further comprises a flat steel used for being matched with the bolt to fixedly install the ratchet wheel bird prevention cover on the ratchet wheel installation seat.
As a further limitation of the present invention, the top end of the ratchet wheel bird-proof cover is provided with a through groove for the contact wire to pass through.
As another limitation of the utility model, the cantilever base stop pad comprises a metal flat pad and a U-shaped rubber pad.
As a further limitation of the utility model, the U-shaped rubber pad is made of a silicon rubber material.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) when birds nest, branches are inserted into the gap round holes to serve as a foundation structure, and then the nesting is expanded on the foundation structure. Based on the bird nesting characteristic, the utility model adopts the technical idea of shielding gaps and round holes in space, and specifically provides 5 different components to solve the problem of bird damage at different positions of the H-shaped steel support. Moreover, the 5 components are mutually independent, aiming at different field conditions, the aim of preventing birds from nesting can be achieved only by selecting and installing the corresponding components, a specific scheme is not required to be designed, the installation is simple and rapid, and the normal power supply function of the equipment cannot be influenced after the installation.
(2) The shielding type bird-proof cover series components are all manufactured by adopting a stamping and bending process, the formed components have better integrity, the use of small parts (such as bolts, nuts and gaskets) is effectively reduced, and the condition that the driving safety is endangered due to the loosening of the small parts is avoided.
In conclusion, the utility model is suitable for the H-shaped steel support of the contact network, the bird damage problem at all positions on the H-shaped steel support is almost perfectly solved by adopting a 'shielding occupation mode', the power supply equipment tripping fault caused by bird nesting is effectively avoided, bird damage accidents are greatly reduced, and the safe and stable operation of the contact network system is ensured.
Drawings
The utility model is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a schematic view showing the application of a shoulder rest bird prevention cover, a hard anchor bird prevention cover, a return line bird prevention cover and a wrist base bird prevention cover to an H-shaped steel support according to an embodiment of the present invention;
FIG. 2 is a schematic view of the application of the ratchet bird guard to the H-beam support according to the embodiment of the present invention;
FIG. 3 is a schematic view of an application state of a U-shaped rubber pad on an H-shaped steel support in the anti-bird cover of the cantilever base according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of an anti-bird cover of the wrist-arm base according to an embodiment of the present invention;
in the figure: 1. a shoulder-mounted bird prevention cover; 2. a hard anchor bird shield; 3. a return line bird-preventing cover; 4. a metal flat gasket; 5. a U-shaped rubber pad; 6. a ratchet wheel bird-proof cover; 7. a ratchet wheel mounting seat; 8. and (4) ratchet wheels.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the description of the preferred embodiment is only for purposes of illustration and understanding, and is not intended to limit the utility model.
Embodiment is applied to bird's nest prevention device of electronic railway connecting net H shaped steel pillar
The mode that this embodiment adopted "hole sealing, remote panel to shelter from closely", effectively solved the bird pest problem of H shaped steel pillar different positions department. As shown in fig. 1 to 4, the present embodiment at least includes any two or more different components: a. a shoulder-mounted bird-proof cover 1; b. a hard anchor bird prevention cover 2; c. a return line bird-proof cover 3; d. a cantilever base stop pad; e. ratchet anti-bird cover 6.
It should be noted that the above-mentioned components are independent of each other, and can be fixed at a specific position of the H-shaped steel pillar independently, so as to prevent birds from building nests at the position. The specific structure of each component is as follows:
a. shoulder bird-proof cover 1
As shown in fig. 1, the shoulder rack bird-proof cover 1 can be fixedly arranged at the connecting position of the H-shaped steel pillar and the shoulder rack, and is used for shielding the connecting position. Specifically, shoulder frame bird prevention cover 1 adopts punching press bending process integrated into one piece, is the metal bird prevention cover of dysmorphism structure, including being two hang plates that the obtuse angle is connected to, all be equipped with on every hang plate and be used for cooperating the eave tile bolt to realize the extension limit fixed on the H shaped steel pillar.
After the shoulder frame bird prevention cover 1 is fixedly arranged at the connecting position of the H-shaped steel support and the shoulder frame, one side of the shoulder frame bird prevention cover 1 is tightly attached to the side wall of the H-shaped steel support, and the bottom of the shoulder frame bird prevention cover is tightly attached to the top surface of the shoulder frame.
b. Hard anchor bird-proof cover 2
As shown in fig. 1, the hard anchor bird prevention cover 2 can be fixedly arranged in a groove of an H-shaped steel strut and used for shielding hard anchor mounting points of a positive feeder line and a return line on the H-shaped steel strut. The hard anchor bird prevention cover 2 comprises a first bird prevention cover and a second bird prevention cover which are identical in structure, and the first bird prevention cover and the second bird prevention cover are metal bird prevention covers which are integrally formed by adopting a stamping process. The explanation of specific structure is carried out taking first anti-bird cover as an example, and first anti-bird cover is the box-like cover body, including the right angle trapezoidal plate that two symmetries set up, connect the hang plate on two right angle trapezoidal plate long waist limits and connect the rectangular plate on two right angle trapezoidal plate upper base to, offer the logical groove that is used for supplying the hard anchor connecting seat to pass on the rectangular plate of first anti-bird cover. (supplement and explanation here, because the positive feeder carries 2.5 ten thousand volts of voltage, the current in the return line is very big, so in the contact net of the electrified railway, the positive feeder and the return line are generally arranged on the side surface of the H-shaped steel pillar by means of hard anchors and adopting a jumper wire mode.)
After the first bird prevention cover and the second bird prevention cover are symmetrically and fixedly arranged in grooves on two sides of the H-shaped steel support through the fastening bolts, opposite sides of the first bird prevention cover and the second bird prevention cover are respectively tightly attached to the bottoms of the grooves of the H-shaped steel support.
c. Return line bird prevention cover 3
As shown in fig. 1, the backflow line bird prevention cover 3 can be fixedly arranged on the side wall of the H-shaped steel strut, is located at the backflow line passing position, and is used for shielding the backflow line passing position on the H-shaped steel strut. In this embodiment, the return-line bird prevention cover 3 is also integrally formed by a stamping process, and is a metal bird prevention cover having a structure similar to that of the first bird prevention cover. What be different, the through wires groove on the return line prevents that bird cover 3 is last to be seted up on the right trapezoid board that two symmetries set up to, the through-hole that is used for cooperating eave tile bolt to realize fixing on H shaped steel pillar is still offered on the upper portion of right trapezoid board.
After the backflow line bird prevention cover 3 is fixedly arranged on the side wall of the H-shaped steel support, the opening side of the backflow line bird prevention cover 3 is tightly attached to the side wall of the H-shaped steel support.
d. Arm base block pad
As shown in fig. 1 or fig. 3, the cantilever base stopper can be fixedly disposed at a gap of the cantilever base of the H-shaped steel strut, so as to block the gap. Specifically, the cantilever base pad comprises a metal flat pad 4 and a U-shaped rubber pad 5, and the specific structure of the metal flat pad is shown in fig. 4. In the present embodiment, the metal flat gasket 4 is integrally formed by a stamping process, and the U-shaped rubber pad 5 is made of a silicone rubber material.
After the cantilever base blocking pad is fixedly arranged on the cantilever base of the H-shaped steel support column, the U-shaped rubber pad 5 can wrap the fixing bolt of the cantilever base, and the metal flat gasket 4 can seal a gap between the fixing bolt and the cantilever base.
e. Ratchet wheel bird-proof cover 6
As shown in fig. 1, the ratchet wheel bird prevention cover 6 can be fixedly arranged on the ratchet wheel mounting seat 7 of the H-shaped steel support column for shielding the mounting position of the ratchet wheel 8 on the H-shaped steel support column. Specifically, the ratchet wheel bird prevention cover 6 is also integrally formed by a stamping and bending process, is a metal bird prevention cover with a triangular section, and comprises two rectangular plates connected at an acute angle. Moreover, the bottom end of each rectangular plate extends outwards horizontally to form an extension edge which can be matched with flat steel and a bolt to realize fixation on the ratchet wheel mounting seat 7; one side of the top of each rectangular plate extends outwards along the length direction of the rectangular plate to form a clamping edge which can be clamped in the groove of the H-shaped steel support.
More specifically, the top end of the ratchet wheel bird prevention cover 6 is provided with a through groove for the contact line to pass through.
After the ratchet wheel bird-proof cover 6 is fixedly arranged on the ratchet wheel mounting seat 7 of the H-shaped steel support, the bottom of the ratchet wheel bird-proof cover 6 is tightly attached to the upper end face of the ratchet wheel mounting seat 7.
It should be added that, in this embodiment, the shoulder-mounted bird prevention cover 1, the hard-anchor bird prevention cover 2, the return-line bird prevention cover 3, the ratchet bird prevention cover 6, and the metal flat gasket 4 in the cantilever base block pad are all made of aluminum alloy materials.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a be applied to bird's nest device that prevents of electronic railway connecting net H shaped steel pillar which characterized in that: at least comprises any two different components as follows: a. the shoulder frame bird-preventing cover is used for shielding the joint of the H-shaped steel pillar and the shoulder frame; b. the hard anchor bird-proof cover is used for shielding hard anchor mounting points of a positive feeder line and a return line on the H-shaped steel strut; c. the return line bird-preventing cover is used for shielding the return line passing position on the H-shaped steel strut; d. the cantilever base blocking pad is used for blocking a gap of the upper cantilever base of the H-shaped steel strut; e. a ratchet anti-bird cover for sheltering from ratchet installation department on the H shaped steel pillar.
2. The bird nest preventing device applied to the H-shaped steel strut of the overhead contact system of the electrified railway of claim 1 is characterized in that: the shoulder frame bird prevention cover, the hard anchor bird prevention cover, the return line bird prevention cover and the ratchet wheel bird prevention cover are all metal bird prevention covers which are integrally formed by adopting a stamping and bending process.
3. The bird nest preventing device applied to the H-shaped steel strut of the overhead contact system of the electrified railway of claim 2 is characterized in that: the anti-bird shoulder frame structure further comprises a hook bolt for fixedly mounting the anti-bird shoulder frame cover and the anti-bird return line cover on the H-shaped steel support.
4. The bird nest preventing device applied to the H-shaped steel strut of the overhead line system of the electrified railway of claim 3 is characterized in that: the bottom of the backflow line bird prevention cover is provided with a threading groove for the backflow line to pass through.
5. The bird nest prevention device applied to the H-shaped steel strut of the overhead contact system of the electrified railway according to any one of claims 2 to 4, wherein: the bird cover is prevented to hard anchor includes that the first bird cover and the second of installing in H shaped steel pillar both sides are prevented to the symmetry admittedly to, first bird cover and second are prevented bird cover bottom relative position department and all offer the logical groove that is used for supplying the hard anchor connecting seat to pass.
6. The bird nest preventing device applied to the H-shaped steel strut of the overhead contact system of the electrified railway of claim 5 is characterized in that: the anti-bird ratchet cover is characterized by further comprising flat steel used for being matched with the bolt to fixedly install the anti-bird ratchet cover on the ratchet installation seat.
7. The bird nest preventing device applied to the H-shaped steel strut of the overhead contact system of the electrified railway of claim 6 is characterized in that: the top end of the ratchet wheel bird-proof cover is provided with a through groove for the contact line to pass through.
8. The bird nest preventing device applied to the H-shaped steel strut of the contact network of the electrified railway according to any one of claims 1 to 4 and 6 to 7, wherein the bird nest preventing device comprises: the cantilever base blocking pad comprises a metal flat pad and a U-shaped rubber pad.
9. The bird nest preventing device applied to the H-shaped steel strut of the overhead contact system of the electrified railway of claim 8 is characterized in that: the U-shaped rubber pad is made of silicon rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295511.0U CN216709075U (en) | 2022-02-15 | 2022-02-15 | Bird nest prevention device applied to electrified railway contact net H-shaped steel strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295511.0U CN216709075U (en) | 2022-02-15 | 2022-02-15 | Bird nest prevention device applied to electrified railway contact net H-shaped steel strut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216709075U true CN216709075U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220295511.0U Active CN216709075U (en) | 2022-02-15 | 2022-02-15 | Bird nest prevention device applied to electrified railway contact net H-shaped steel strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216709075U (en) |
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2022
- 2022-02-15 CN CN202220295511.0U patent/CN216709075U/en active Active
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