阅读说明：本技术 一种河流发电装置 (River power generation device ) 是由 董国章 董继伟 董浩鑫 于 2020-06-16 设计创作，主要内容包括：本发明涉及发电设备技术领域,尤其是公开了一种河流发电装置,包括固定在河堤两岸的永久性基座,两个所述永久性基座上通过螺钉固定有液压杆,所述液压杆的活塞杆上通过螺钉固定有液压支架,所述液压支架端部焊接有拉杆,所述拉杆通过螺钉与设置在水下的固定框架连接在一起,所述固定框架内通过螺钉并排固定有多个动力单元。有益效果在于：1、因为采用了同轴双叶片反转叶轮,有效的提高了叶轮对水流动能的利用率,同一区域安装的动力单元越多,产生的动能越大,发电效率越高；2、不用拦河筑坝、不用开挖隧洞、不改变原有地质环境,属于清洁能源转化装置。(The invention relates to the technical field of power generation equipment, and particularly discloses a river power generation device which comprises permanent bases fixed on two banks of a river bank, wherein hydraulic rods are fixed on the two permanent bases through screws, a hydraulic support is fixed on a piston rod of each hydraulic rod through a screw, a pull rod is welded at the end part of each hydraulic support, the pull rods are connected with a fixed frame arranged under water through screws, and a plurality of power units are fixed in the fixed frame side by side through screws. Has the advantages that: 1. because the coaxial double-blade counter-rotating impeller is adopted, the utilization rate of the impeller to the water flow energy is effectively improved, and the more power units are arranged in the same area, the larger the generated kinetic energy is, and the higher the power generation efficiency is; 2. the device does not need to block a river, build a dam, excavate a tunnel and change the original geological environment, and belongs to a clean energy conversion device.)

1. A river power generation device is characterized in that: comprises permanent bases (1) fixed on both banks of a river bank, hydraulic rods (4) are fixed on the two permanent bases (1) through screws, a piston rod of the hydraulic rod (4) is fixed with a hydraulic support (5) through a screw, the end part of the hydraulic support (5) is welded with a pull rod (6), the pull rod (6) is connected with a fixed frame (10) arranged under water through a screw, a plurality of power units (11) are fixed in the fixed frame (10) side by side through screws, the power units (11) are in transmission connection, a reversing speed regulating device (2) is fixed in one permanent base (1) through a screw, the power output end of the reversing speed regulating device (2) is connected with a generator (3) in a transmission way, the power input end of the reversing speed regulating device (2) is in transmission connection with the power unit (11) through a transmission butt joint (9).

2. A river power plant according to claim 1, wherein: and a return channel (8) is arranged between the two ends of the fixed frame (10) and the river bank.

3. A river power plant according to claim 1, wherein: transmission butt joint (9) are including concave type butt joint (91) and protruding type butt joint (92), the shaping has the straight flute mouth on concave type butt joint (91), the shaping have on protruding type butt joint (92) with the straight flute mouth of concave type butt joint (91) matches the flange of installation, concave type butt joint (91) with protruding type butt joint (92) respectively with switching-over speed adjusting device (2) the transmission shaft welding of power unit (11) is in the same place.

4. A river power plant according to claim 1, wherein: the power unit (11) comprises a rectangular mounting frame (17), a transverse transmission shaft (12) is arranged on one side of the rectangular mounting frame (17) parallel to the flowing direction of a river, the two ends of the transverse transmission shaft (12) are connected with a longitudinal transmission shaft (18) through a steering gear (13) in a transmission way, two steering gears (13) are fixed at two ends of the middle part of the rectangular mounting frame (17) through screws, a left butt joint shaft (14) and a right butt joint shaft (15) are connected between the two steering gears (13) in a transmission way, the end parts of the left butt joint shaft (14) and the right butt joint shaft (15) are spliced together, an impeller (16) is fixed on the left butt joint shaft (14) and the right butt joint shaft (15) through screws, the two steering gears (13) in the middle of the rectangular mounting frame (17) are mounted on the longitudinal transmission shaft (18) in a transmission manner.

5. A river power plant according to claim 4, wherein: the rotating directions of the blades of the two impellers (16) on the left butt joint shaft (14) and the right butt joint shaft (15) are opposite.

6. A river power plant according to claim 4, wherein: the edge of the rectangular mounting frame (17) is fixed with a protective net (7) through screws.

Technical Field

The invention relates to the technical field of power generation equipment, in particular to a river power generation device.

Background

The hydroelectric power generation uses the water flow with potential energy at high position such as rivers, lakes, etc. to the low position, and converts the potential energy contained therein into the kinetic energy of the water turbine, and then uses the water turbine as the motive power to drive the generator to generate electric energy. The hydraulic machine (water turbine) is pushed to rotate by utilizing water power (with a water head), the water power is converted into mechanical energy, if another machine (generator) is connected to the water turbine and rotates along with the water turbine, electricity can be generated, and the mechanical energy is converted into electric energy. Hydroelectric power generation is in a sense the process of converting the potential energy of water into mechanical energy and then into electrical energy.

The traditional hydroelectric power generation mostly generates power through water potential drop, and Chinese patent with application number of CN201420734058.4 discloses a multi-impeller, self-control lifting and collecting type river power generation device, the overall structure of which is as follows: an impeller group which is composed of a plurality of impellers and is arranged horizontally and equidistantly is arranged in a fixed frame made of metal, the power transmission device which is composed of a bevel gear, a horizontal transmission rod, a direction changer and a vertical transmission rod is connected with a speed change device which is fixed above the fixed frame, the speed change device is connected with a generator, the generator is connected with an external load lead, a hydraulic lifting device is connected with a water level/temperature control switch, an external power supply and the impeller group, a plurality of groups of current collecting plates are respectively arranged at two sides of the impeller group, one end of a cable is tied in front of an upright post of a frame body, the other end of the cable is fixed on a river bank to tie the whole device in a river, and a vertical protective net is arranged in front of the device.

The above patents have the following disadvantages: firstly, because it adopts the horizontal shaft formula impeller of flat board, this kind of impeller is lower to the conversion rate of the kinetic energy that holds in the rivers, secondly place the navigation of ship and still destroyed original view because of its upper portion exposes the surface of water in the river with a plurality of such device, has played adverse effect to the environment, thirdly, this device is not too applicable to the river in northern cold areas, because of the equipment just can't operate after freezing period river water freezes.

Disclosure of Invention

The invention provides a river power generation device for solving the problems.

The technical scheme of the invention is realized as follows:

the utility model provides a river power generation facility, is including fixing the permanent base at river levee both sides, two there is the hydraulic stem through the fix with screw on the permanent base, there is hydraulic support through the fix with screw on the piston rod of hydraulic stem, the welding of hydraulic support tip has the pull rod, the pull rod passes through the screw and links together with the fixed frame that sets up under water, be fixed with a plurality of power pack side by side through the screw in the fixed frame, it is a plurality of the power pack transmission is connected, one of them there is the switching-over speed adjusting device through the fix with screw in the permanent base, switching-over speed adjusting device power take off end transmission is connected with the generator, switching-over speed adjusting device power input end pass through the transmission butt joint with the power pack transmission is connected.

Furthermore, a return channel is arranged between the two ends of the fixed frame and the river bank.

Further, the transmission butt joint includes concave type butt joint and protruding type butt joint, the shaping has the straight notch on the concave type butt joint, the shaping has on the protruding type butt joint with the straight notch of concave type butt joint matches the flange of installation, concave type butt joint with protruding type butt joint respectively with switching-over speed adjusting device the transmission shaft welding of power pack is in the same place.

Furthermore, a transverse transmission shaft is arranged on one side, parallel to the flowing direction of a river, of the rectangular mounting frame, two ends of the transverse transmission shaft are in transmission connection with a longitudinal transmission shaft through steering gears, two steering gears are fixed to two ends of the middle of the rectangular mounting frame through screws, a left butt joint shaft and a right butt joint shaft are in transmission connection between the two steering gears, the end portions of the left butt joint shaft and the right butt joint shaft are connected in an inserted mode, an impeller is fixed to each of the left butt joint shaft and the right butt joint shaft through screws, and the two steering gears in the middle of the rectangular mounting frame are in transmission installation on the longitudinal transmission shaft.

Further, the two impeller blades on the left butt joint shaft and the right butt joint shaft have opposite rotating directions.

Furthermore, the power unit comprises a rectangular mounting frame, and a protective net is fixed on the edge of the rectangular mounting frame through screws.

By adopting the technical scheme, the invention has the beneficial effects that: 1. because the coaxial double-blade counter-rotating impeller is adopted, the utilization rate of the impeller to the water flow energy is effectively improved, and the more power units are arranged in the same area, the larger the generated kinetic energy is, and the higher the power generation efficiency is; 2. the device does not need to block a river, build a dam, dig a tunnel and change the original geological environment, and belongs to a clean energy conversion device; 3. the device has wide application range, can be arranged in any section with turbulent river water, cannot influence the water surface landscape when arranged below the water surface, and cannot stop working because the surface of the river water is frozen; 4. the device is convenient to disassemble and assemble, each independent unit is a part of the overall device and can independently work, so that the maintenance and the repair are very convenient and fast; 5. simple structure, low cost and suitability for large-scale production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic diagram of the power unit configuration of the present invention;

FIG. 4 is a schematic view of the left and right docking shaft installation of the present invention;

FIG. 5 is a schematic view of the female docking head configuration of the present invention;

FIG. 6 is a schematic view of the male docking head configuration of the present invention.

The reference numerals are explained below:

1. a permanent base; 2. a reversing speed regulating device; 3. a generator; 4. a hydraulic lever; 5. a hydraulic support; 6. a pull rod; 7. a protective net; 8. a return passage; 9. a transmission butt joint; 91. a concave docking head; 92. a male docking head; 10. a fixed frame; 11. a power unit; 12. a transverse transmission shaft; 13. a diverter; 14. a left docking shaft; 15. a right docking shaft; 16. an impeller; 17. a rectangular mounting frame; 18. a longitudinal drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, a river power generation device comprises permanent bases 1 fixed on both sides of a river bank, hydraulic rods 4 fixed on the two permanent bases 1 through screws for lifting or lowering a fixed frame 10, hydraulic supports 5 fixed on piston rods of the hydraulic rods 4 through screws, pull rods 6 welded on end portions of the hydraulic supports 5, the pull rods 6 connected with the fixed frame 10 arranged under water through screws, a plurality of power units 11 fixed in the fixed frame 10 side by side through screws for converting kinetic energy of water flow into mechanical energy, the plurality of power units 11 connected in a transmission manner, a reversing speed adjusting device 2 fixed in one permanent base 1 through screws for converting power transmission direction and increasing rotation speed, a generator 3 connected in a transmission manner at a power output end of the reversing speed adjusting device 2 for converting mechanical energy into electric energy, the power output end of the reversing speed regulating device 2 horizontally extends out of the permanent base 1, a sealing ring is arranged at the contact position of the power output end of the reversing speed regulating device 2 and the side wall of the permanent base 1, and the power input end of the reversing speed regulating device 2 is in transmission connection with a power unit 11 through a transmission butt joint 9.

In this embodiment, a migratory channel 8 is provided between both ends of the fixed frame 10 and the river bank, so that fish and shrimp can pass through the channel conveniently without affecting normal biological activities and ecological environment.

In this embodiment, the transmission butt joint 9 includes a concave butt joint 91 and a convex butt joint 92, a straight slot is formed on the concave butt joint 91, a convex plate matched with the straight slot of the concave butt joint 91 is formed on the convex butt joint 92, the concave butt joint 91 and the convex butt joint 92 are welded together with the transmission shafts of the reversing speed regulation device 2 and the power unit 11 respectively, and the mode is convenient to install and disassemble and improves maintenance speed.

In this embodiment, the power unit 11 includes a rectangular mounting frame 17, a transverse transmission shaft 12 is disposed on one side of the rectangular mounting frame 17 parallel to the flowing direction of the river, two ends of the transverse transmission shaft 12 are in transmission connection with a longitudinal transmission shaft 18 through a steering gear 13, the transverse transmission shaft 12 and the longitudinal transmission shaft 18 are vertically disposed, two steering gears 13 are fixed on two ends of the middle portion of the rectangular mounting frame 17 through screws, two bevel gears are disposed inside the steering gears 13 to facilitate the conversion of the power transmission direction, a left butt joint shaft 14 and a right butt joint shaft 15 are in transmission connection between the two steering gears 13, the end portions of the left butt joint shaft 14 and the right butt joint shaft 15 are inserted together, the left butt joint shaft 14 and the right butt joint shaft 15 can rotate relatively, an impeller 16 is fixed on each of the left butt joint shaft 14 and the right butt joint shaft 15 through a screw, the two steering gears 13 in, the blades of the two impellers 16 on the left butt joint shaft 14 and the right butt joint shaft 15 are opposite in rotating direction, and the two impellers 16 with opposite rotating directions are driven by water flow to rotate, so that the left butt joint shaft 14 and the right butt joint shaft 15 are driven to rotate in two different directions, and the longitudinal transmission shaft 18 can be driven to rotate in one direction after transmission, so that the energy conversion efficiency is improved.

In this embodiment, the protective net 7 is fixed to the edge of the rectangular mounting frame 17 through a screw, so as to protect the impeller and prevent sundries and living things from being drawn into the impeller 16.

The working principle of the invention is as follows: when the device is used, at least one fixed frame 10 is put into a turbulent river through a hydraulic rod 4, when a plurality of fixed frames 10 are arranged at the same time, the power output shafts of all power units 11 can be connected together by using a steering gear 13, a universal joint and a total transmission shaft, then the power output shafts of all power units 11 are in transmission connection with a generator 3 by using a transmission butt joint 9 and a reversing speed regulating device 2, when a plurality of power units 11 are installed together, two lengthened longitudinal transmission shafts 18 can penetrate through all power units 11 according to the width of the river, then a transverse transmission shaft 12 is installed at the end part of the two longitudinal power shafts 18 by using the steering gear 13, the number of the transverse transmission shafts 12 is reduced, the transmission resistance is reduced, when river water flows, two impellers 16 on a left butt joint shaft 14 and a right butt joint shaft 15 are driven to rotate towards different directions, and simultaneously the two impellers 16 rotate to drive the left butt joint shaft 14 and the right, when the left butt joint shaft 14 and the right butt joint shaft 15 rotate, power is transmitted to the same longitudinal transmission shaft 18 through the steering gear 13 and the transverse transmission shaft 12, the longitudinal transmission shaft 18 is driven to rotate towards one direction, and then the longitudinal transmission shaft 18 is used for driving the generator 3 to work to generate electricity.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.