CN213016632U

CN213016632U - Bridge crosswind power generation device

Info

Publication number: CN213016632U
Application number: CN202022009355.0U
Authority: CN
Inventors: 任光辉; 杨斌; 张钰彬; 杨超; 陈丽君; 周浩文; 付弦
Original assignee: China 19th Metallurgical Group Co ltd
Current assignee: China 19th Metallurgical Group Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-20
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a bridge cross wind power generation device with good wind shielding effect, which comprises wind power blades, a stand column and a power generation device; the wind power blades are arranged at the upper end of the upright post through the hub; the lower end of the upright post is arranged above the shell of the power generation device through the mounting seat; the wind power blade and the corresponding side of crosswind direction L1 form the windward side, the wind power blade is kept away from the wheel hub the distal end be provided with the wind-guiding face, wind-guiding face and windward side form open structure, its opening direction is towards crosswind direction L1. The transverse wind is blocked by the wind power blades to continue to the vehicle on the bridge floor, the mechanical energy formed by the rotation of the wind power blades is converted into electric energy to be output, and resources are fully utilized. The transverse wind forms airflow moving from the wheel hub to the far end direction of the wind power blade on the windward side, the airflow turns along the wind guide surface and blows out in the direction far away from the bridge floor, and the wind shielding effect is improved. The first damping device and the second damping device are arranged for damping, so that the vibration generated by the change of the wind power of crosswind is prevented from being transmitted to the power generation device through the mounting base.

Description

Bridge crosswind power generation device

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to bridge crosswind power generation facility.

Background

Due to the uneven heating of all parts on the earth surface caused by solar radiation, the pressure distribution in the atmosphere is unbalanced, and air moves along the horizontal direction under the action of the horizontal air pressure gradient to form wind. As a renewable clean energy source, the wind energy has the characteristics of large reserve, wide distribution, low capacity density, instability and the like. Under certain technical conditions, wind energy is developed and utilized as an important energy source, and wind power generation refers to converting kinetic energy of wind into electric energy.

Railroad bridges are structures that railways span rivers, lakes, straits, valleys, or other obstacles, as well as are constructed to achieve a grade crossing of a railroad line with a line or road. The railway bridges comprise railway bridges and highway and railway dual-purpose bridges according to the application division. Most of railway bridges are high in height, particularly in air ports or open positions, cross wind is strong, vehicles running on the railway bridges are easily attacked by the cross wind, and the occurrence probability of traffic accidents is increased. Furthermore, the electricity consumption on the railway bridge is huge, and the cable is laid on the railway bridge to connect with a power supply plant, so that the engineering quantity is large, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a bridge crosswind power generation facility that it is effectual to keep out wind is provided.

The utility model provides a technical scheme that its technical problem adopted is: a bridge crosswind power generation device comprises wind power blades, stand columns and a power generation device; the wind power blades are arranged at the upper end of the upright post through a hub; the lower end of the upright post is arranged above the shell of the power generation device through a mounting seat;

the wind power blade and the corresponding side of crosswind direction L1 form the windward side, the wind power blade is kept away from the distal end of wheel hub and is provided with the wind-guiding face, wind-guiding face and windward side form open structure, and its opening direction is towards crosswind direction L1.

Further, the mounting seat comprises a mounting plate and a reinforcing plate;

the mounting plate is connected with the bottom of the upright post and is vertical to the axis of the upright post; the mounting plate is mounted on a shell of the power generation device;

the reinforcing plate is connected with the mounting plate and the upright post.

Further, the device also comprises a first damping device and a linear guide device;

the first damping device is arranged between the mounting plate and the shell of the power generation device;

the first damping device does up-and-down linear reciprocating motion through a plurality of linear guide devices.

Further, the device also comprises a supporting plate;

the supporting plate is arranged on the upper surface of the shell of the power generation device;

the first damping device and the linear guide device are both installed on the supporting plate.

Further, the first damping device comprises a supporting column, a supporting spring and a supporting seat;

the supporting seat comprises an upper plate and a connecting piece which are arranged up and down, the connecting piece is connected with the upper plate and the supporting plate, and an installation space is enclosed;

the upper end of the supporting column is connected with the mounting plate, and the lower end of the supporting column is provided with a limiting plate; the vertically arranged supporting column penetrates through the through hole in the upper plate, and the limiting plate is positioned in the mounting space; the cross section of the limiting plate is larger than that of the through hole;

the support spring is extended or shortened by a support column.

Furthermore, the supporting spring sleeves the supporting column and is located between the mounting plate and the upper plate.

Further, the linear guide device comprises a sleeve and a sliding column;

the sleeve is sleeved outside the sliding column and is in sliding fit with the sliding column;

the bottom end of the sleeve is arranged on the supporting plate, and the upper end of the sliding column is connected with the mounting plate.

Furthermore, the mounting plate further comprises a second damping device, and the second damping device is arranged between the mounting plate and the support plate;

the second damping device comprises a first connecting rod, a second connecting rod, a connecting seat and a compression spring;

the first connecting rod is hinged with the second connecting rod, and a hinged part A is formed;

one end of the first connecting rod, which is far away from the hinge joint A, is rotatably connected with the lower surface of the mounting plate through one of the connecting seats;

one end of the second connecting rod, which is far away from the hinge joint A, is rotatably connected with the supporting plate through the other connecting seat;

one end of the compression spring is connected with the first connecting rod, and the other end of the compression spring is connected with the second connecting rod; the compression spring is vertically arranged along the axial direction.

Furthermore, a plurality of ventilation holes are formed in the far end, far away from the hub, of the wind power blade.

Further, the width of the windward side is gradually increased from the hub to the far end of the wind power blade.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an effectual bridge crosswind power generation facility keeps out wind. The transverse wind is blocked by the wind power blades to continue to the vehicle on the bridge floor, the mechanical energy formed by the rotation of the wind power blades is converted into electric energy to be output, and resources are fully utilized. The transverse wind forms airflow moving from the wheel hub to the far end direction of the wind power blade on the windward side, the airflow turns along the wind guide surface and blows out in the direction far away from the bridge floor, and the wind shielding effect is improved. The first damping device and the second damping device are arranged for damping, so that the vibration generated by the change of the wind power of crosswind is prevented from being transmitted to the power generation device through the mounting base.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation position of the present invention

Fig. 3 is a schematic diagram of the position relationship between the wind power blade and the cross wind direction L1 of the present invention;

fig. 4 is a schematic structural view of the first damping device, the second damping device and the linear guide device of the present invention;

FIG. 5 is a schematic structural view of the support pillar, the support spring and the support seat of the present invention;

reference numerals: 1-bridge deck; 2-wind power blades; 201-windward side; 202-wind guide surface; 203-ventilation holes; 3-upright column; 4-a power generation device; 401-a housing; 402-heat dissipation holes; 403-access door; 5-a hub; 6-mounting a base; 601-a mounting plate; 602-a stiffener plate; 7-a support plate; 8-a support column; 9-a support spring; 10-a support seat; 1001-upper plate; 1002-a connector; 1003-lower plate; 11-a limiting plate; 12-a sleeve; 13-a sliding column; 14-a first link; 15-a second link; 16-a connecting seat; 17-a compression spring; 18-a cushion pad; 19-fixing block; 20-anchor bolts.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in the attached drawings, the bridge crosswind power generation device comprises wind power blades 2, a stand column 3 and a power generation device 4; the wind power blades 2 are arranged at the upper end of the upright post 3 through a hub 5; the lower end of the upright post 3 is arranged above a shell 401 of the power generation device 4 through an installation seat 6; the wind power blade 2 and the corresponding side of crosswind direction L1 form windward side 201, the distal end that wind power blade 2 kept away from wheel hub 5 is provided with wind-guiding face 202, wind-guiding face 202 forms open structure with windward side 201, and its opening direction is towards crosswind direction L1.

The windward side 201 of the wind turbine blade 2 is arranged corresponding to the crosswind direction L1. The wind power blade 2 rotates around the rotation center of the hub 5 under the blowing of cross wind. The power generation device 4 converts mechanical energy into electric energy and outputs the electric energy. The crosswind blows on the windward side 201 and blocks the crosswind from continuing to blow towards the vehicles running on the deck 1 of the railroad bridge. The crosswind forms an airflow moving in the direction from the hub 5 to the distal end of the wind turbine blade 2 on the windward side 201, and the airflow is turned along the wind guide surface 202 and blown out in the direction away from the bridge deck 1. As a conventional art, the power generation device 4 includes a housing 401, a generator, mechanical components, electrical components, and the like, and is capable of converting mechanical energy generated by the wind turbine blade 2 into electrical energy and outputting the electrical energy. Wherein, the generator, mechanical parts, electrical parts and the like are all installed in the shell 401, and the shell 401 is provided with a heat radiation hole 402 and an access door 403. A cushion pad 18 is provided between the casing 401 of the power generation device 4 and the deck 1. The shell 401 of the power generation device 4 is installed at the edge of the bridge floor 1 through a fixing piece, and the cushion pad 18 can prevent the vibration generated by the vehicle passing on the bridge floor 1 from being transmitted to the power generation device 4 and influencing the stable operation of the power generation device 4. Cushion 18 is preferably a rubber article. Wind power blade 2 and wheel hub 5 all adopt prior art to install.

The fixing member may be a fixing block 19 welded to the outer side of the housing 401 of the power generation device 4, and the anchor bolt 20 passes through the fixing block 19, the cushion pad 18 and the bridge deck 1 in sequence to be installed and fixed. The fixing piece can also be an L-shaped angle brace, one side arm of the L-shaped angle brace is connected with the outer side of the shell 401 of the power generation device 4, and the foundation bolt 20 sequentially penetrates through the other side arm of the L-shaped angle brace, the cushion pad 18 and the bridge floor 1 to be installed and fixed.

The windward side 201 and the wind guide side 202 may form a V-shaped structure or may form an arc-shaped structure with smooth transition. Preferably, one end of the wind guide surface 202 adjacent to the windward side 201 is close to the rotation center of the hub 5, and one end of the wind guide surface 202 away from the windward side 201 is far from the rotation center of the hub 5.

In order to avoid the cross wind from being too large and the wind power blade 2 from deforming or overturning, preferably, the far end of the wind power blade 2 away from the hub 5 is provided with a plurality of ventilation holes 203. Part of the cross wind is blown out from the ventilation holes 203 to be decompressed and branched.

Preferably, the width of the windward side 201 gradually increases from the hub 5 to the distal end of the wind power blade 2. The wider distal end of the windward side 201 can direct more airflow, which can be diverted along the wind guide surface 202.

In order to avoid resonance generated when the wind power blades 2 rotate, the wind power blades 2 are preferably in odd numbers. In the embodiment shown in fig. 1, three wind blades 2 are provided.

The mounting seat 6 has various specific embodiments:

in the first embodiment, the mounting seat 6 includes a mounting plate and a mounting cylinder, the mounting cylinder is vertically disposed on the mounting plate and sleeved at the lower end of the upright post 3, the mounting cylinder is connected with the upright post 3 through a bolt, and the mounting plate is mounted on the housing 401 of the power generation device 4.

Preferably, in the second embodiment, the mounting seat 6 includes a mounting plate 601 and a reinforcing plate 602; the mounting plate 601 is connected with the bottom of the upright post 3 and is vertical to the axis of the upright post 3; the mounting plate 601 is mounted on the housing 401 of the power generation device 4; the reinforcing plate 602 connects the mounting plate 601 and the column 3.

Because the size of crosswind constantly changes, wind-powered electricity generation blade 2, wheel hub 5 and stand 3 are easy to be because of the unstable vibrations that produce of wind-force, and then will shake and transmit power generation facility 4 for through mount pad 6, influence power generation facility 4's steady operation. In order to solve the above technical problem, it is preferable that the linear guide further comprises a first damping device and a linear guide device; the first damping device is installed between the mounting plate 601 and the housing 401 of the power generation device 4; the first damping device does up-and-down linear reciprocating motion through a plurality of linear guide devices. The first damping device has a damping effect and prevents vibrations from being transmitted to the power generation device 4. The linear guide device ensures that the first damping device does vertical linear reciprocating motion, and the linear guide device is arranged into a plurality of linear guide devices to play a role in stable support.

The first damping device and the linear guide device can be directly mounted on the shell 401 of the power generation device 4, and preferably further comprise a support plate 7; the supporting plate 7 is mounted on the upper surface of the shell 401 of the power generation device 4; the first damping device and the linear guide device are both mounted on the support plate 7. The support plate 7 is mounted on the upper surface of the housing 401 of the power generation device 4 by bolts, and the support plate 7 provides mounting support for the first damping device and the linear guide device.

The first damping device has various embodiments:

in a first embodiment, the first damping means is a vertically disposed spring.

Preferably, in the second embodiment, the first damping device comprises a supporting column 8, a supporting spring 9 and a supporting seat 10; the support seat 10 comprises an upper plate 1001 and a connecting piece 1002 which are arranged up and down, and the connecting piece 1002 is connected with the upper plate 1001 and the support plate 7 and encloses an installation space; the upper end of the support column 8 is connected with the mounting plate 601, and the lower end of the support column is provided with a limiting plate 11; the supporting column 8 which is vertically arranged penetrates through a through hole in the upper plate 1001, and the limiting plate 11 is located in the installation space; the cross section of the limiting plate 11 is larger than that of the through hole; the support spring 9 is extended or shortened by the support column 8. The connecting member 1002 connects the upper plate 1001 and the supporting plate 7, and the connecting member 1002 may have a columnar structure or a plate-like structure. In the embodiment shown in fig. 4 and 5, a lower plate 1003 is further included at the lower end of the connecting member 1002, and the lower plate 1003 is mounted on the supporting plate 7. The support column 8 slides up and down in the through hole of the upper plate 1001, and is matched with the support spring 9, and the support spring 9 counteracts the vibration effect through the elastic deformation of the support spring 9. Limiting plate 11 can avoid support column 8 from slipping out of the through hole of upper plate 1001 because of vibrations are too big.

The supporting spring 9 can be installed between the limiting plate 11 and the supporting plate 7, preferably, the supporting spring 9 is sleeved outside the supporting column 8 and is located between the mounting plate 601 and the upper plate 1001. The support column 8 provides a guiding function for the elastic deformation of the support spring 9, so that the support spring 9 is prevented from deviating from the axis when being compressed, and the reliability of the device is improved.

The linear guide has various embodiments:

in a first embodiment, the linear guide device comprises a sliding chute and a sliding block, the sliding block is arranged at the edge of the mounting plate 601, and the sliding chute is vertically mounted on the support plate 7; the slider is in sliding fit with the sliding groove, and the vertical linear guide effect is achieved.

Preferably, in a second embodiment, the linear guide comprises a sleeve 12 and a sliding column 13; the sleeve 12 is sleeved outside the sliding column 13 and is in sliding fit with the sliding column 13; the bottom end of the sleeve 12 is arranged on the support plate 7, and the upper end of the sliding column 13 is connected with the mounting plate 601. The sliding column 13 slides up and down in the sleeve 12, so that a vertical linear guiding effect is realized.

In order to further improve the damping effect, it is preferable that a second damping device is further included, and the second damping device is arranged between the mounting plate 601 and the support plate 7; the second damping device comprises a first connecting rod 14, a second connecting rod 15, a connecting seat 16 and a compression spring 17; the first connecting rod 14 is hinged with the second connecting rod 15, and a hinged part A is formed; one end of the first connecting rod 14 away from the hinge joint A is rotatably connected with the lower surface of the mounting plate 601 through one of the connecting seats 16; one end of the second connecting rod 15, which is far away from the hinge joint A, is rotatably connected with the supporting plate 7 through another connecting seat 16; one end of the compression spring 17 is connected with the first connecting rod 14, and the other end is connected with the second connecting rod 15; the compression spring 17 is vertically arranged in the axial direction. When the mounting plate 601 is pressed downwards, the included angle between the first connecting rod 14 and the second connecting rod 15 is reduced, and the compression spring 17 is shortened; the mounting plate 601 moves upward, the angle between the first link 14 and the second link 15 becomes larger, and the compression spring 17 becomes longer.

Preferably, the two sets of second damping devices are axisymmetrical with the axis of the upright post 3 as a symmetry axis.

Connecting socket 16 has a number of specific ways:

in the first embodiment, the connecting base 16 includes a mounting block, one end of the first connecting rod 14 away from the hinge point a is connected to the mounting block mounted on the lower surface of the mounting plate 601 through a first hinge, and one end of the second connecting rod 15 away from the hinge point a is connected to the mounting block mounted on the supporting plate 7 through a second hinge.

In the second embodiment, the connecting seat 16 includes a first side plate, and a second side plate is disposed on a side of the first side plate; one end of the rotating shaft is rotatably connected with the first side plate, and the other end of the rotating shaft is rotatably connected with the second side plate. The first side plate and the second side plate of one of the connecting seats 16 are both mounted on the lower surface of the mounting plate 601, and the first side plate and the second side plate of the other connecting seat 16 are both mounted on the support plate 7. One end of the first connecting rod 14 away from the hinge joint a is fixedly connected with a rotating shaft of one of the connecting seats 16; one end of the second connecting rod 15 far from the hinge joint a is fixedly connected with the rotating shaft of the other connecting seat 16.

The utility model discloses a concrete implementation mode can be seen from the implementation, the utility model provides an effectual bridge crosswind power generation facility keeps out wind. The transverse wind is blocked by the wind power blades to continue to the vehicle on the bridge floor, the mechanical energy formed by the rotation of the wind power blades is converted into electric energy to be output, and resources are fully utilized. The transverse wind forms airflow moving from the wheel hub to the far end direction of the wind power blade on the windward side, the airflow turns along the wind guide surface and blows out in the direction far away from the bridge floor, and the wind shielding effect is improved. The first damping device and the second damping device are arranged for damping, so that the vibration generated by the change of the wind power of crosswind is prevented from being transmitted to the power generation device through the mounting base.

Claims

1. The utility model provides a bridge crosswind power generation facility which characterized in that: comprises wind power blades (2), a stand column (3) and a power generation device (4); the wind power blades (2) are arranged at the upper end of the upright post (3) through a hub (5); the lower end of the upright post (3) is arranged above a shell (401) of the power generation device (4) through an installation seat (6);

wind-powered electricity generation blade (2) and the corresponding side of crosswind direction L1 form windward side (201), wind-powered electricity generation blade (2) are kept away from the distal end of wheel hub (5) and are provided with wind-guiding surface (202), wind-guiding surface (202) and windward side (201) form open structure, and its opening direction is towards crosswind direction L1.

2. The crosswind power generation device of claim 1, wherein: the mounting seat (6) comprises a mounting plate (601) and a reinforcing plate (602);

the mounting plate (601) is connected with the bottom of the upright post (3) and is vertical to the axis of the upright post (3); the mounting plate (601) is mounted on a shell (401) of the power generation device (4);

the reinforcing plate (602) is connected with the mounting plate (601) and the upright post (3).

3. The crosswind power generation device of claim 2, wherein: the damping device also comprises a first damping device and a linear guide device;

the first damping device is arranged between the mounting plate (601) and the shell (401) of the power generation device (4);

4. The crosswind power generation device of claim 3, wherein: also comprises a support plate (7);

the supporting plate (7) is arranged on the upper surface of a shell (401) of the power generation device (4);

the first damping device and the linear guide device are both arranged on the supporting plate (7).

5. The crosswind power generation device of claim 4, wherein: the first damping device comprises a supporting column (8), a supporting spring (9) and a supporting seat (10);

the supporting seat (10) comprises an upper plate (1001) and a connecting piece (1002) which are arranged up and down, and the connecting piece (1002) is connected with the upper plate (1001) and the supporting plate (7) and encloses an installation space;

the upper end of the supporting column (8) is connected with the mounting plate (601), and the lower end of the supporting column is provided with a limiting plate (11); the supporting column (8) vertically arranged penetrates through a through hole in the upper plate (1001), and the limiting plate (11) is located in the installation space; the cross section of the limiting plate (11) is larger than that of the through hole;

the supporting spring (9) is extended or shortened through the supporting column (8).

6. The crosswind power generation device of claim 5, wherein: the supporting spring (9) is sleeved outside the supporting column (8) and is positioned between the mounting plate (601) and the upper plate (1001).

7. The crosswind power generation device of claim 4, wherein: the linear guide device comprises a sleeve (12) and a sliding column (13);

the sleeve (12) is sleeved outside the sliding column (13) and is in sliding fit with the sliding column (13);

the bottom end of the sleeve (12) is arranged on the supporting plate (7), and the upper end of the sliding column (13) is connected with the mounting plate (601).

8. The crosswind power generation device of claim 4, wherein: the damping device is arranged between the mounting plate (601) and the support plate (7);

the second damping device comprises a first connecting rod (14), a second connecting rod (15), a connecting seat (16) and a compression spring (17);

the first connecting rod (14) is hinged with the second connecting rod (15) to form a hinged part A;

one end of the first connecting rod (14) far away from the hinge joint A is rotatably connected with the lower surface of the mounting plate (601) through one of the connecting seats (16);

one end of the second connecting rod (15) far away from the hinged part A is rotatably connected with the supporting plate (7) through another connecting seat (16);

one end of the compression spring (17) is connected with the first connecting rod (14), and the other end of the compression spring is connected with the second connecting rod (15); the compression spring (17) is vertically arranged along the axial direction.

9. The crosswind power generation device of claim 1, wherein: the far end of the wind power blade (2) far away from the hub (5) is provided with a plurality of ventilation holes (203).

10. The crosswind power generation device of claim 1, wherein: the width of the windward side (201) is gradually increased from the hub (5) to the far end of the wind power blade (2).