CN106103976A - Gate-shaped tidal current energy generating device carrier and base type tidal current energy generating device - Google Patents

Abstract

A door-shaped tidal current energy power generation device carrier and a base type tidal current energy power generation device are provided. The portal tidal current energy power generation device carrier mainly comprises a base and a connecting frame; the base comprises pile legs (1), a horizontal beam (2), a horizontal short beam (3), long vertical piles (4) and short vertical piles (5); the connecting frame comprises a door vertical pipe (8), an upper door pipe (9), a lower door pipe (10), a fixed pipe (11) and a bearing device (12). A base type tidal current energy power generation device comprises a door-shaped tidal current energy power generation device carrier and a hydraulic generator. The hydraulic generator can be a horizontal shaft hydraulic turbine or a vertical shaft hydraulic turbine. The novel ocean current energy resource exploitation device is simple in structure, stable in mechanism, convenient to install and use, low in manufacturing, construction and operation cost, free of influence on shipping and sea surface operation, suitable for being applied to ocean areas with rich tidal current energy or river channels with rich water current energy resources, and capable of achieving development and utilization of water current energy resources flowing to water areas in complex flow directions. The power generation device has better starting and power generation performances, can adapt to the tidal current flow direction, and avoids cable winding.

Description

Gate-shaped tidal current energy generating device carrier and base type tidal current energy generating device technical field

The invention relates to a support device of a tidal current energy generating device, and the present invention also relates to a tidal current energy generating device.

Background technique

The effectiveness of using tidal current energy to generate electricity to alleviate energy shortages and reduce environmental pollution has been widely recognized. The key lies in the development of tidal current energy generation devices with superior performance, stable mechanism, and suitable for engineering applications. At present, the tidal current power generation devices for experimental demonstration and engineering applications are mainly hydraulic turbine tidal current power generation devices. Based on the structural characteristics of hydro turbines, the tidal current power generation devices for experimental demonstration and engineering applications are mainly horizontal axis type and vertical axis type. Based on the characteristics of the carrier structure of the hydro turbine, the tidal current power generation devices for experimental demonstration and engineering application are mainly three types: floating type, pile type and base type. It has been found from the published reports that the tidal current power generation device based on the horizontal axis turbine has the advantage of high energy utilization rate. Although the energy utilization rate of the tidal current power generation device based on the vertical axis Adapt to changes in flow direction, simple structure, suitable for applications in waters with complex flow directions. Although the tidal current energy generation device based on the floating carrier is convenient for construction, construction and deployment, it floats on the sea surface, occupies the sea area, affects ship navigation and offshore operations, and has poor ability to withstand extreme marine environments. High requirements; although the tidal current energy generation device based on the pile carrier is stable and suitable for device operation, the technical difficulty and economic cost of piling construction are often high.

The patent document with the publication number CN 102230440 A discloses a bidirectional dome and a tidal flow power generation device. The bidirectional dome includes: a base, two symmetrically arranged domes, a guide post and a dome. The windshield and the guide column are fixed on the base, and the windshield is located between the two windshields, and the windshield includes a first arc-shaped shroud and a second arc-shaped shroud. The first arc-shaped cover is fixed on the base, the second arc-shaped cover is provided with a guide sleeve, the guide sleeve is set on the guide column, and the second arc-shaped cover is located on the first arc-shaped cover. Above the first arc-shaped cover, the second arc-shaped cover is also provided with a mounting bracket, and a mounting sleeve is arranged on the mounting bracket. The convenient inspection and maintenance of the tidal current power generation device is realized through the bidirectional shroud. In addition, since the base is symmetrically provided with a deflector, the ocean tidal current can be used to drive the water turbine to generate electricity during the ebb and flow of the tide, so that the tidal current power generation device can maximize the use of tidal current energy.

Contents of the invention

The object of the present invention is to provide a gate-shaped tidal current energy generating device carrier with simple and stable structure, convenient installation and use, and the development and utilization of water current energy resources that can be complicated to flow to water areas. The object of the present invention is also to provide a base-type tidal current energy generating device based on the gate-shaped tidal current energy generating device carrier.

The carrier of the gate-shaped tidal current energy generating device of the present invention mainly includes a base and a connecting frame; the base includes legs, horizontal beams, short horizontal beams, long uprights, and short uprights, and the three legs are connected into a triangle by three horizontal beams , the horizontal short beam is connected between two horizontal beams, and a long vertical pile and a short vertical pile are vertically installed on each of the two horizontal beams connected to the horizontal short beam, and the short vertical pile A limit ring is arranged on the top; the connecting frame includes a door standpipe, an upper door pipe, a lower door pipe, a fixed pipe and a bearing device, the upper door pipe is closed and connected with the upper ends of the two door standpipes, and the lower door pipe is connected with the two door standpipes. The inner side of the lower end is connected, each door standpipe is provided with a fixed pipe, and the upper door pipe and the lower door pipe are respectively provided with bearings; the door standpipe is fitted with the short pile, the fixed pipe is fitted with the long The contact of the limit ring on the short pile realizes the vertical downward limit of the connecting frame.

The carrier of the gate-shaped tidal current energy generating device of the present invention may also include:

1. The pile leg is a cylindrical structure, including a cylinder body, a cylinder bottom and a ribbed plate. The cylinder bottom is located at a position lower than the middle of the cylinder body. .

2. The upper door tube and the door standpipe form an upper 10° angle, and the lower door tube and the door standpipe form a lower 15° angle.

3. Collision bars are respectively arranged on the short horizontal beam and the horizontal beam parallel to the short horizontal beam.

The base type tidal current energy generating device of the present invention includes a door-shaped tidal current energy generating device carrier and a hydroelectric generator, and the base type tidal current energy generating device includes a base and a connecting frame; the base includes pile legs, horizontal beams, horizontal Short beams, long piles, and short piles, the three legs are connected into a triangle by three horizontal beams, the horizontal short beam is connected between two horizontal beams, and a vertical installation is made on the two horizontal beams connected with the horizontal short beam A long stand and a short stand, and a limit ring is set on the short stand; The upper end of the pipe is closed and connected, the lower door pipe is connected with the inner side of the lower ends of the two door standpipes, each door standpipe is provided with a fixed pipe, and the upper door pipe and the lower door pipe are respectively provided with bearings; the door standpipe and the short pile Fitting, the fixed pipe is fitted with the long vertical pile, and the door vertical pipe is in contact with the limit ring on the short vertical pile to realize the vertical downward limit of the connecting frame; the hydraulic generator is installed on the upper door pipe and the lower door pipe through the rotating shaft Set between the bearings.

The base type tidal current energy generating device of the present invention may also include:

1. The hydro-generator described is a horizontal-axis hydro-generator, comprising a hub, blades, a nacelle, a main shaft, a speed increaser, a generator and a brake. The wheel hub is fixed at the end of the main shaft, and the stern is installed at the rear of the nacelle through the wing bar. The nacelle is connected with the bearings on the upper door tube and the lower door tube through two installation bars. Collision bars are respectively arranged on the top.

2. The hydro-generator is a horizontal-axis hydro-generator, comprising a hub, blades, a nacelle, a main shaft, a speed increaser, a generator and a brake. The hub is fixed at the end of the main shaft, and also includes a shroud, a support plate, a reversing rudder and a limiter. The shroud is an open involute streamlined shroud, and the nacelle is fixed in the shroud through the support plate. The support plate is a streamlined wing plate that is evenly distributed along the circumference of the spinner. One end of the support plate is connected to the outer wall of the nacelle, and the other end is connected to the inner wall of the spinner. At the gradual opening of the wind deflector, the wing plate and the limit groove are rotationally and flexibly connected, and the wind deflector is provided with a connecting shaft and a connecting flange on the upper and lower sides of the wind deflector. On the flange, the fixed block is fixed on the bearing, and the horizontal short beam and the horizontal Collision bars are respectively arranged on the horizontal beams parallel to the short beams, and the shroud is connected with the bearings arranged on the upper door pipe and the lower door pipe through the shroud connecting shaft and the connecting flange.

3. The hydro-generator is a vertical-axis water turbine. The speed increaser, generator and brake are sealed in the engine room. The engine room is fixed on the upper door tube, and the blades are installed on the rotating shaft. The two ends of the rotating shaft are connected to the upper door tube and the lower door tube. The bearing is connected, and the end of the generator main shaft and the upper end of the rotating shaft have bevel gears that mesh with each other.

The invention provides a simple structure, stable mechanism, convenient installation and use, low manufacturing, construction and operation costs, does not affect shipping and sea surface operations, is suitable for application in sea areas with rich tidal energy or rivers with rich water flow energy resources, and can be carried The carrier of the gate-shaped tidal current energy generating device of the vertical axis hydroelectric generating set. The bottom-mounted tidal current energy generating device of the present invention can provide electricity for production and living to residents along the coast, on both sides of the river and on islands. Realize the development and utilization of water flow energy resources with complex flows to water areas. It has better start-up and power generation performance, adapts to the flow direction of the power flow, and avoids cable entanglement.

The invention adopts a modular structure and mainly includes a base part, a connecting frame part and a hydroelectric generator set part.

The base part is used to support the connection frame part and the hydro-generator unit part, and realize the gravitational friction fixation between the hydro-generator unit part and the seabed, mainly including pile legs, horizontal beams, horizontal short beams, long upright piles, and short upright piles , cable-stayed piles and pile reinforcement boards, etc. The legs are used for loading, gravity friction fixing and welding connection with horizontal beams to form a three-legged triangular base, which is a cylindrical structure, the bottom of the cylinder moves up, easy to fix by gravity friction, the structure between the bottom of the cylinder and the wall of the cylinder is strengthened, and the mouth of the cylinder is open . The horizontal beam is also used for welding the long upright pile and the short upright pile while connecting the pile legs. The two ends of the short horizontal beam are connected with two horizontal beams, and the horizontal short beam and the horizontal beam parallel to the plane of the portal frame are respectively provided with collision bars, which are used to cooperate with the wing plates to provide reversing dynamics for the hydro-generator unit. lift. The long uprights and short uprights are mainly used to cooperate with the fixed pipe of the connecting frame and the door standpipe to realize the horizontal positioning of the connecting frame part and the hydro-generator set part. After the door standpipe and the short standpipe, the fixed pipe and the long standpipe are respectively fitted together, the vertical downward limit is realized through the contact of the door standpipe with the limit ring on the short standstand. In order to ensure the welding strength between the long upright pile and the horizontal beam, the structure of the long upright pile is strengthened by the cable-stayed pile and the pile reinforcement plate; Short pilings for structural reinforcement. The horizontal beams, horizontal short beams, long vertical piles, short vertical piles and cable-stayed piles are tubular structures, both inside and outside are coated with anti-corrosion paint, and the horizontal beams, horizontal short beams, long vertical piles, short vertical piles and inclined There are water inlet holes on the pull piles to reduce the ballast during installation and operation, and facilitate installation operations.

The connecting frame part is used to carry the part of the hydro-generator unit, and realizes the flexible connection between the part of the hydro-generator unit and the base part, and mainly includes a door standpipe, an upper door pipe, a lower door pipe, a fixed pipe and a bearing. The upper door tube is closed and connected to the upper end of the door standpipe, and the lower door tube is connected to the inner side of the lower end of the door standpipe to form a door-shaped frame. The door standpipe is also provided with a fixed pipe, which is used for horizontal restraint by fitting with the long standpipe, and the lower end of the door standpipe is fitted with the short standpipe for horizontal restraint, and through contact with the limit ring on the short standpipe, Realize the vertical downward limit of the connecting frame part. The upper door tube and the lower door tube are also provided with bearings respectively. The bearing device is composed of a bearing cylinder, a water-lubricated bearing, a connecting frame main shaft and a connecting frame main shaft flange, and is used to carry a hydroelectric generator The group part, and realizes the free rotation of the hydro-generator unit part in the door-shaped frame. In order to facilitate the partial layout of the hydro-generator unit, the upper door tube and the door standpipe form an upper 10° angle, and the lower door tube and the door standpipe form a lower 15° angle. A workbench is provided on the bearing cylinder at the upper end of the connecting frame part, and a hook is provided on the upper door pipe for lifting operation. The door standpipe, upper door pipe and lower door pipe are all tube-shaped structures, both inside and outside are coated with anti-corrosion paint, and water inlet holes are opened on the door standpipe, upper door pipe and lower door pipe to reduce the time required for installation and operation. ballast for easy installation.

The part of the hydro-generator set is used to convert the kinetic energy of the tidal current into electric energy, and is a diversion-enhanced self-adaptive flow-direction unit, which mainly includes a shroud, a support plate, a water turbine, a reversing rudder and a limiter. The air guide cover is an open involute streamlined cover body, which is used to improve the conversion efficiency of the impeller. The lower end is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is provided with a guide cover connecting shaft. There is a shroud connecting shaft flange, and the upper end is directly provided with a shroud connecting shaft and a shroud connecting shaft flange. The part of the hydroelectric generating set is flexibly connected with the main shaft flange of the connecting frame through the connecting shaft flange of the shroud. The water turbine includes blades, a hub, a nacelle, a main shaft, a speed increaser, a generator, a brake, and the like. The main shaft, speed increaser, generator and brake are sealed in the engine room, and the water turbine is fixed in the shroud through the support plate. The support plate is a streamlined wing plate, uniformly distributed in the circumferential direction, one end is connected to the outer wall of the nacelle, and the other end is connected to the inner wall of the shroud. The reversing rudder is used for the convection between the wind deflector and the water turbine, and includes wing connecting rods, limiting slots and wing plates, which are located at the gradual opening of the wind deflector. The wing connecting rod is used to connect the limit slot, and the limit slot is used to restrict the swing angle range of the wing plate. The wing plate is connected with the limit slot in rotation, and after the action of the collision bar, it is a part of the hydro-generator set. Provides reversing dynamic lift. The limiter is used to control the rotation angle of the hydro-generator unit so that it only rotates within 180° to avoid wire entanglement, including rotating gears and fixed gears. The rotating block is fixed on the flange of the connecting shaft of the flow guide cover, and the fixed block is fixed on the bearing cylinder. Both the upper and lower shroud main shaft flanges of the hydro-generator set are provided with rotating stops, and the upper and lower bearing cylinders of the connecting frame are provided with fixed stops, and the upper and lower rotation limit guarantee mechanism limits bit stability.

A hook is also welded on the upper door pipe, and a working platform is also welded on the upper end surface of the upper end bearing cylinder.

The portal frame can also be directly connected to the turbine cabin through the cabin connecting shaft and the flange of the cabin connecting shaft, and the stern rudder at the tail of the turbine cabin provides the dynamic lift for reversing and adapts to the water flow reversing.

The stern rudder includes a wing bar and a stern, and the stern can adopt a 10° fixed-wing structure.

After the upper and lower ends of the portal frame are respectively provided with bearings, they can also be equipped with a vertical axis water turbine and a direct drive generator set to generate electricity.

The power generation device can be hoisted as a whole to work in the working sea area or in the river course, and only need to lift the connecting frame part and the part carrying the hydroelectric generating set during maintenance and overhaul.

The gate-shaped seat-bottom tidal current energy generating device is not only suitable for application in sea areas rich in tidal current energy, but also suitable for application in river courses with abundant water flow resources.

Description of drawings

Fig. 1 is a general structural diagram of an embodiment of a base-type tidal current energy generating device.

Figure 2 Schematic diagram of the structure of the base.

Figure 3 is a schematic diagram of the structure of the connecting frame.

Fig. 4 Schematic diagram of the partial structure of the hydroelectric generating set.

Figure 5 Schematic diagram of the arrangement of the limiter.

Fig. 6 is a schematic diagram of a horizontal axis hydroelectric generator set without a shroud.

Fig. 7 is a general structural schematic diagram of another embodiment of the base-mounted tidal current energy generating device.

Figure 8 is a schematic diagram of a transmission equipped with a vertical axis turbine.

detailed description

The implementation of the patent of the present invention will be described in detail below with reference to the accompanying drawings.

The carrier of the gate-shaped tidal current energy generating device of the present invention mainly includes a base and a connecting frame. The base mainly plays the role of supporting the connection frame and the hydroelectric generator set. Combined with Figure 2, the foundation mainly includes three pile legs 1, three horizontal beams 2, a horizontal short beam 3, two long piles 4, two short piles 5, two cable-stayed piles 6 and four piles Reinforcing plate 7 and so on. The three pile legs 1 are respectively loaded with ballast, and are fixed by friction with the gravity of the seabed. Three pile legs 1 are welded and connected with three horizontal beams 2 to form a three-legged triangular base. The three pile legs 1 all adopt a cylindrical structure, and the bottom 22 of the cylinder moves upward, and the structure between the bottom 22 and the wall of the cylinder is strengthened by reinforcing ribs 23, and the mouth of the cylinder is opened. A collision bar 18 is welded with the middle part of the horizontal beam 2 parallel to the portal frame, and a long stand 4 and a short stand 5 are welded respectively on the horizontal beam 2 parallel to the portal frame. Each long pile 4 on the horizontal beam 2 is also welded with a cable-stayed pile 6 and a pile reinforcement plate 7 , and a pile reinforcement plate 7 is welded on the short pile 5 . Each pile reinforcement plate 7 is welded to the outside of each long pile 4 and short pile 5 respectively. The two ends of the horizontal short beam 3 are welded on the two horizontal beams 2, and the middle part of the horizontal short beam 3 is also welded with a collision bar 18, which cooperates with the wing plate 37 to provide reversing dynamics for the hydro-generator unit part. lift. The three horizontal beams 2, one horizontal short beam 3, two long vertical piles 4, two short vertical piles 5 and two cable-stayed piles 6 are tubular structures, both inside and outside are coated with anti-corrosion paint, and the horizontal beams 2. The horizontal short beam 3, the long vertical pile 4, the short vertical pile 5 and the cable-stayed pile 6 are provided with water inlet holes to reduce the ballast during installation and operation, and facilitate the installation operation.

The connecting frame is used for carrying the hydroelectric generating set. With reference to FIG. 3 , the connecting frame mainly includes two door standpipes 8 , two upper door pipes 9 , two lower door pipes 10 , two fixed pipes 11 and two bearings 12 . Two upper door pipes 9 are closed and connected with the upper ends of the two door standpipes 8, and two lower door pipes 10 are connected with the inner sides of the lower ends of the two door standpipes 8 to form a door-shaped frame. The outsides of the two door standpipes 8 are welded with fixed pipes 11 respectively. The inner diameter of each fixed pipe 11 is slightly larger than the outer diameter of each long vertical pile 4, and is sleeved on the long vertical pile 4 to limit the horizontal restraint of the connecting frame and the hydroelectric generator set. The inner diameter of each door riser 8 is slightly larger than the outer diameter of each short pile 5, and the lower end of each door riser 8 is sleeved on each short pile 5, and the connecting frame part and the hydro-generator set part are horizontally Constraint limit, through the contact with the limit ring 21 on the short pile 5, the vertical downward limit is carried out to the connection frame part and the hydraulic turbine generator set part. A bearing device 12 is also welded respectively between two upper door pipes 9 and two lower door pipes 10 . Each bearing unit 12 consists of a A bearing cylinder 25, a water-lubricated bearing, a connecting frame main shaft 26 and a connecting frame main shaft flange 27 are formed, and the connecting frame main shaft 26 and the connecting frame main shaft flange 27 can rotate voluntarily in the bearing cylinder 25. Each upper door pipe 9 forms an angle of 10° with each door riser 8, and each lower door pipe 10 forms a lower 15° angle with each door riser 8 respectively. A work platform is welded on the bearing cylinder 25 of the connecting frame part upper end, and every upper door pipe 9 is welded with a hook device 19 for hoisting operations. The two door standpipes 8, the two upper door pipes 9, the two lower door pipes 10, and the two fixed pipes 11 are all tube-shaped structures, both inside and outside are coated with anti-corrosion paint, and on the door standpipes, upper door pipes and lower door pipes There are water inlet holes to reduce the ballast during installation and operation, and facilitate installation operations.

Also can be welded with hook device 19 on the last door pipe, also can welding work platform 20 on the upper end face of upper end bearing cylinder 25.

Combining Figure 1-Figure 5. The hydroelectric generator in one embodiment of the base type tidal current energy generating device is a horizontal axis hydroelectric generator. The hydro-generator set part converts the kinetic energy of the tidal current into electric energy, and mainly includes a fairing 13 , three support plates 14 , a set of water turbines 15 , a reversing rudder 16 and a set of stoppers 17 . The wind deflector 13 is an open involute streamlined cover, the upper end and the lower end of the wind deflector 13 are respectively welded with an arc-shaped connection plate 42, and each arc-shaped connection plate 42 is welded with a flow deflector Connecting shaft 40, each shroud connecting shaft 40 is welded with a shroud connecting shaft flange 41, and each shroud connecting shaft flange 41 is connected to the main shaft flange 27 of the connecting frame. The water turbine includes a hub, two blades, a nacelle, a main shaft, a speed increaser, a generator, a brake and the like. The main shaft, speed increaser, generator and brake are sealed in the engine room, and the water turbine is fixed in the shroud 13 through three support plates 14 . The support plate 14 is a streamlined wing plate, uniformly distributed in the circumferential direction, one end is connected to the outer wall of the nacelle 31 , and the other end is connected to the inner wall of the wind deflector 13 . The reversing rudder 16 is used for the convection between the wind deflector 13 and the water turbine 15, and includes two L-shaped wing connecting rods 35, two limiting slots 36 and a wing plate 37, located at the gradual opening of the wind deflector 13. The two L-shaped wing connecting rods 35 are used to connect the two limiting grooves 36 , one end is welded to the open side of the wind deflector 13 , and the other end is welded to the limiting grooves 36 respectively. The limit slot 36 is used to constrain the swing angle range of the flap 37, and control the swing of the flap 37 within the range of ±10°. The wing plate 37 is a NACA0018 airfoil plate, the chord length is 1/5 of the opening diameter of the nozzle cover 13, and is connected with the limit groove 36 in rotation, and after acting on the collision rod 18, it provides a replacement for the hydro-generator unit part. Dynamic lift. The limiter 17 is used to control the rotation angle of the hydro-generator unit so that it only rotates within 180° to avoid wire winding, and includes two rotating stops 38 and two fixed stops 39 . The two rotating stops 38 are respectively fixed on the 12 o'clock position and the 6 o'clock position similar to the clock of the two shroud connecting shaft flanges 41, and the two fixed stops 39 are respectively fixed on the clock-like positions of the two bearing cylinders 25. 6 o'clock position and 12 o'clock position. The upper and lower shroud main shaft flanges 41 of the hydro-generator set part are provided with a rotating stop 38, and the upper and lower bearing cylinders 25 of the connecting frame part are provided with a fixed stop 39, and the upper and lower rotation limit The position guarantees the stability of the mechanism limit.

In combination with Fig. 6, a horizontal axis hydroelectric generator set without a shroud can also be selected. The water turbine includes a hub 29, two blades 28, a nacelle 31, a main shaft, a speed increaser, a generator, a brake and the like. The main shaft, speed increaser, generator and brake are sealed in the engine room. The portal frame is directly connected to the turbine cabin 31 through the cabin connecting shaft 43 and the flange 44 of the cabin connecting shaft, and the stern rudder at the tail of the turbine cabin 31 provides the reversing dynamic lift and adapts to the water flow reversing. Place The stern rudder includes a wing rod 45 and a stern wing 46, and the stern wing 46 can adopt a 10° fixed-wing structure.

7 and 8, after the upper and lower ends of the portal frame are respectively provided with bearings 12, the vertical axis water turbine 47 can be mounted, and the direct drive generator set generates electricity. The generating set equipped with the vertical axis turbine 47 is sealed in the square engine room 50, including the reversing active bevel gear 51 connected with the vertical axis turbine main shaft 48, the reversing driven bevel gear 52 connected with the generator main shaft, the speed increaser 53, Generator 54 and brake 55 etc.

Before installation, three pile legs 1, three horizontal beams 2, one horizontal short beam 3, one long vertical pile 4, two short vertical piles 5, two cable-stayed piles 6 and four vertical pile reinforcement plates 7, two Two collision rods 18 etc. are welded earlier to form a triangular base part with three legs; A connecting frame part; a nozzle 13, three support plates 14, a set of water turbine 15, a reversing rudder 16, an arc-shaped connecting plate 42, two nozzle connecting shafts 40, two nozzle connections The shaft flange 41 etc. are welded together to form the hydro-generator set part. The two rotating stops 38 of the limiter 17 are respectively fixed at the 12 o'clock position and the 6 o'clock position of the connecting shaft flange 41 of the two shrouds, and the two fixed stops 39 are respectively fixed at the 6 o'clock position of the two bearing cylinders 25 and 12 o'clock position. Three independent modules are formed, namely, the base part, the connecting frame part and the hydroelectric generating unit part.

During installation, the hydro-generator set part and the connecting frame part are flexibly connected through flanges to form a new module. The new module fits with two short piles 5 through two door risers 8, fits with two long piles 4 through two fixing pipes 11, and is installed on the base part. After assembly, it can be hoisted as a whole and placed on the seabed of the working sea area. When laying on the seabed, make the gate-shaped frame plane perpendicular to the main flow direction of the water flow.

When working, the gate-shaped bottom-type tidal current energy generating device is fixed by friction with the bottom of the seabed through three pile legs 1 . The water flow impacts the blades of the water turbine, drives the main shaft to rotate, and drives the generator to generate electricity after passing through the speed increaser in the engine room, and can be stopped and repaired by the brake in the engine room. When the power generation device is in operation, the power generation efficiency of the water turbine 15 is improved by the guide cover 13 . When the water flow direction changes, the wing plate 37 acts through the limiting groove 36 and the transmission of the L-shaped wing connecting rod 35 to provide a reversing dynamic lift force for the water turbine 15 in the shroud 13, so that the water turbine generating set part and the main shaft of the connecting frame 26 and connecting frame main shaft flange 27 together, realize 180 ° of free rotations in the bearing cylinder 25, self-adaptive flow direction changes, guarantee that guide cover 13 and water turbine impeller disk surface are positively flowed all the time.

During maintenance and overhaul, it is only necessary to hoist the part of the hydroelectric generating set and the connecting frame part to carry out maintenance and overhaul operations.

The installation process, work engineering and maintenance and overhaul method of the gate-shaped seat-bottom tidal current energy generation device based on the horizontal-axis hydraulic turbine without the deflector 13 and the portal-shaped tidal current energy generation device based on the vertical-axis hydraulic turbine 47, and the method with the deflector 13 is similar to the gate-shaped tidal current energy generation device based on horizontal axis turbines.

Claims (10)

1. A kind of door shape tidal current energy generating equipment carrier, mainly includes base and link；It is characterized in that：The base includes spud leg, horizontal beam, horizontal short beam, long staking out, short staking out, three spud legs connect triangularity by three horizontal beams, horizontal short beam is connected between two horizontal beams, spacing ring is set in each piece long staking out of right angle setting and a short staking out, every short staking out on two horizontal beams being connected with horizontal short beam；The link includes door standpipe, pipe of visiting, Xiamen pipe, fixing pipe and draft gage, pipe of visiting is connected with the upper end closure of two door standpipes, Xiamen pipe is connected with the inner side of two door lower riser ends, sets fixing pipe on every door standpipe, draft gage is set respectively on visit pipe and Xiamen pipe；Door standpipe and short staking out fit, door standpipe is contacted with the spacing ring in short staking out realizes the vertical to lower limit, fixing pipe and long staking out fit of link.
2. Door shape tidal current energy generating equipment carrier according to claim 1, it is characterized in that：The spud leg is cylindrical structure, including cylinder, cylinder bottom and stiffener plate, and the cylinder bottom is located at the middle part position on the lower side of cylinder, is strengthened between cylinder bottom and barrel by stiffener plate, nozzle is opened wide.
3. Door shape tidal current energy generating equipment carrier according to claim 1 or 2, it is characterized in that：Guan Yumen standpipes visit into upper 10 ° of angles, Xiamen Guan Yumen standpipes are into lower 15 ° of angles.
4. Door shape tidal current energy generating equipment carrier according to claim 1 or 2, it is characterized in that：Collision bar is respectively equipped with horizontal short beam and the horizontal beam parallel with horizontal short beam.
5. Door shape tidal current energy generating equipment carrier according to claim 3, it is characterized in that：Collision bar is respectively equipped with horizontal short beam and the horizontal beam parallel with horizontal short beam.
6. A kind of seat bottom type tidal current energy generating equipment, including door shape tidal current energy generating equipment carrier and hydrogenerator, it is characterized in that：The door shape tidal current energy generating equipment carrier includes base and link；The base includes spud leg, horizontal beam, horizontal short beam, long staking out, short staking out, three spud legs connect triangularity by three horizontal beams, horizontal short beam is connected between two horizontal beams, spacing ring is set in piece long staking out of the last right angle setting of two horizontal beams being connected with horizontal short beam and a short staking out, short staking out；The link includes door standpipe, pipe of visiting, Xiamen pipe, fixing pipe and draft gage, pipe of visiting is connected with the upper end closure of two door standpipes, Xiamen pipe is connected with the inner side of two door lower riser ends, sets fixing pipe on every door standpipe, draft gage is set respectively on visit pipe and Xiamen pipe；Door standpipe and short staking out fit, fixing pipe and long staking out fit, door standpipe is contacted with the spacing ring in short staking out realizes the vertical to lower limit of link；Hydrogenerator passes through between the draft gage that is set on visit pipe and Xiamen pipe.
7. Seat bottom type tidal current energy generating equipment according to claim 6, it is characterized in that：Described hydrogenerator is trunnion axis hydrogenerator, including wheel hub, blade, cabin, main shaft, speed increaser, generator and brake, speed increaser, generator and brake are sealed in cabin, blade is fixed on spindle nose by wheel hub, the stern wing is installed by wing bar in cabin afterbody, cabin is connected by two mounting rods with the draft gage set on visit pipe and Xiamen pipe, and collision bar is respectively equipped with horizontal short beam and the horizontal beam parallel with horizontal short beam.
8. Seat bottom type tidal current energy generating equipment according to claim 6, it is characterized in that：Described hydrogenerator is trunnion axis hydrogenerator, including wheel hub, blade, cabin, main shaft, speed increaser, generator and brake, speed increaser, generator and brake are sealed in cabin, blade is fixed on spindle nose by wheel hub, also include kuppe, support plate, commutate rudder and limiter, the kuppe gradually opens streamlined cover body for opening, cabin is fixed in kuppe by support plate, the support plate is that streamlined wing plate is circumferentially uniform along kuppe, support plate one end is connected with cabin outside wall surface, the other end is connected with kuppe internal face, the commutation rudder includes wing connecting rod, stopper slot and wing plate, at kuppe gradually opening, wing plate rotates work with stopper slot and is connected, kuppe kuppe connecting shaft setting up and down and mounting flange, the limiter includes rotating gear and fixed gear, gear is rotated to be fixed on mounting flange, fixed gear is fixed on draft gage, collision bar is respectively equipped with horizontal short beam and the horizontal beam parallel with horizontal short beam, kuppe is connected by kuppe connecting shaft and mounting flange connection with the draft gage set on visit pipe and Xiamen pipe.
9. Seat bottom type tidal current energy generating equipment according to claim 6, it is characterized in that：Hydrogenerator is horizontal shaft water-turbine, speed increaser, generator and brake are sealed in cabin, cabin, which is fixed on, visits on pipe, blade is arranged in rotating shaft, the two ends of rotating shaft are connected with the draft gage set on visit pipe and Xiamen pipe, and the end of generator shaft and the upper end of rotating shaft carry intermeshing bevel gear.
10. Seat bottom type tidal current energy generating equipment according to claim 6-9 any one, it is characterized in that：The spud leg is cylindrical structure, including cylinder, cylinder bottom and stiffener plate, and the cylinder bottom is located at the middle part position on the lower side of cylinder, is strengthened between cylinder bottom and barrel by stiffener plate, nozzle is opened wide；Guan Yumen standpipes visit into upper 10 ° of angles, Xiamen Guan Yumen standpipes are into lower 15 ° of angles.