CN109185019B

CN109185019B - Hydroelectric generator

Info

Publication number: CN109185019B
Application number: CN201811122844.8A
Authority: CN
Inventors: 刘春园; 邓永烨; 刘春龙; 冯帆; 陈生
Original assignee: Shaoguan Guangqian Hydropower Equipment Co ltd
Current assignee: Shaoguan Guangqian Hydropower Equipment Co ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2020-06-23
Anticipated expiration: 2038-09-26
Also published as: CN109185019A

Abstract

The invention discloses a hydroelectric generator, which comprises a shell, a first generator and a second generator, wherein the first generator and the second generator are respectively and fixedly arranged at the top of the shell, a water wheel and an impeller seat are arranged in the shell, a water wheel rotating shaft fixedly connected with the water wheel drives a rotating shaft II through a bevel gear, the rotating shaft II is rotatably connected with a rotating column, the rotating shaft I is connected with the generator I through a bevel gear, a gearbox and a coupler in a transmission mode, a rotating shaft III fixedly installed on a rotating impeller of the impeller seat is connected with a rotating shaft V through a gear in a meshing mode, the rotating shaft V is connected with the generator II in a transmission mode, the rotating shaft III is connected with a gear IV through the gear I in a meshing mode, a gear tooth groove is formed in the lower end face of the gear IV and is connected with triangular gear teeth of the gear II in a meshing mode, and a T-shaped sliding rod, a fixing column, a supporting spring II and a damping spring are arranged on the upper side of the gear IV. The invention has high water flow utilization rate of the generator and can protect the generator from safety failure.

Description

Hydroelectric generator

Technical Field

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

Background

Hydroelectric power generation is a process of converting potential energy contained in rivers, lakes and the like which are located at a high position to a low position into kinetic energy of hydraulic machinery (such as a water turbine), then using the hydraulic machinery (such as the water turbine) as motive power to push a generator to generate electric energy, using the hydraulic power to push the hydraulic machinery (such as the water turbine) to rotate, converting the hydraulic energy into mechanical energy, connecting the hydraulic machinery (such as the water turbine) to another machinery (such as the generator) to generate electricity along with the rotation of the hydraulic machinery (such as the water turbine), and then converting the mechanical energy into the electric energy, wherein the hydroelectric power generation is the process of converting potential energy of water into mechanical energy and then converting the mechanical energy into the electric energy in a certain sense, and the hydroelectric power generation not only solves the problem of electricity consumption which is increased at present, but also is a green environment;

the hydroelectric generator set disclosed in the Chinese patent application No. 201210270786, X authorization publication No. CN102748197A comprises a circulating pool, a support is arranged on the circulating pool, a rotating wheel shaft is arranged on the support, a rotating wheel is arranged on the rotating wheel shaft, a plurality of water storage tanks are uniformly arranged on the periphery of the rotating wheel, each water storage tank is arranged along the periphery of the rotating wheel in the forward direction, a first water spray pipe is arranged on the support, one end of the first water spray pipe is connected with a conical spray head, the conical spray head is positioned above the rotating wheel, the other end of the first water spray pipe is connected with a first submersible pump arranged at the bottom of the circulating pool, one end of the rotating wheel shaft is connected with an output shaft of a double-worm gear speed reducer through a clutch device, an input shaft of the double-worm gear speed reducer is connected with a starting motor, the other end of the rotating wheel shaft is connected with a first synchronizing wheel through. The clutch device is provided with a clutch shell, a first end face ratchet wheel connected with the rotating shaft and a second end face ratchet wheel connected with the output shaft of the double worm gear speed reducer are arranged in the clutch shell, the first end face ratchet wheel is meshed with the second end face ratchet wheel, a return spring is arranged between the first end face ratchet wheel and the clutch shell, when the output shaft of the double worm gear speed reducer drives the rotating shaft to rotate, the first end face ratchet wheel is clasped with the second end face ratchet wheel, and when the rotating shaft rotates, if the output shaft of the double worm gear speed reducer stops rotating, the first end face ratchet wheel and the second end face ratchet wheel are separated from each other. A second submersible pump is installed at the bottom of the circulating pool, the second submersible pump is connected with one end of a second water spray pipe, the other end of the second water spray pipe is connected with a conical spray head, and a universal coupling and an inertia wheel are arranged on each gear shaft in the gearbox;

the water fall drive runner that above-mentioned patent produced through the water pump is rotatory, thereby it generates electricity to drive the generator, above-mentioned patent carries rivers through the water pump to produce hydraulic drive runner and rotates, carry ascending rivers and fall once more, in this in-process, the hydraulic potential energy falls from the eminence of complete waste, can not obtain the application of maximum efficiency to the potential energy that uses the water pump to carry to eminence water, the potential energy maximize of water is used when above-mentioned patent can't satisfy hydroelectric power, above-mentioned patent carries out transmission drive generator through the belt and generates electricity, when the generator breaks down, the output connection pivot of generator takes place the card and dies, need to overhaul the maintenance, but water wheels still rotate, rotatory water wheels drive the transmission shaft and rotate, cause permanent irreparable damage for the generator, bring huge economic loss.

Disclosure of Invention

1. Problems to be solved

The invention aims to provide a hydroelectric generator, aiming at solving the problems that the potential energy of water cannot be maximally applied when the conventional hydroelectric generator is used and the hydroelectric generator is permanently damaged in a non-repairable manner in the process of hydroelectric generation.

2. Technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a hydroelectric generator comprises a shell, a first generator and a second generator, wherein the first generator and the second generator are respectively fixedly arranged at the top of the shell, a water wheel and an impeller seat are arranged in the shell, the side wall of the water wheel is uniformly and fixedly provided with a water bucket, the water wheel is fixedly connected with a water wheel rotating shaft, the water wheel rotating shaft is rotatably connected with a mounting plate through a bearing, the mounting plate is detachably and fixedly connected with the shell through bolts, a third bevel gear is fixedly arranged on the water wheel rotating shaft, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is fixedly arranged on the second rotating shaft, the second rotating shaft is rotatably connected with a hollow rotating column through a sealing bearing and extends into the rotating column, the rotating column is rotatably connected with the shell through the bearing, the inner wall of the rotating column is provided with a vertical sliding groove, a sliding block is slidably connected in the, the sliding block is fixedly connected with the side wall of the sliding plate, the sliding plate is fixedly connected with a rotating shaft II, the upper end face of the sliding plate is fixedly connected with a supporting spring I, the upper end face of the supporting spring I is fixedly connected with the inner wall of the rotating column, the rotating column is fixedly connected with the rotating shaft I, the rotating shaft I is fixedly connected with a bevel gear I, the bevel gear I is meshed with a bevel gear II, the bevel gear II is fixedly arranged on a transmission shaft, the transmission shaft is connected with a rotating input shaft of a generator I through a gearbox and a coupler, when the generator I fails, the rotating shaft I, the rotating column and the transmission shaft cannot rotate along with the rotation, and when the rotating shaft II rotates under the transmission of a bevel gear III and a bevel gear IV, the rotating shaft II is driven to move up and down in the rotating column, so that the rotating shaft I, the rotating column, the service life of the impeller seat is prolonged, and the impeller seat consists of a rotary impeller and a supporting base.

As a further scheme of the invention: the improved water turbine is characterized in that an upper inclined guide plate and a lower inclined guide plate are arranged in the shell, the upper inclined guide plate and the lower inclined guide plate are respectively fixedly installed on the left inner wall and the right inner wall of the shell, the upper inclined guide plate is located on the upper side of the lower inclined guide plate, a water wheel is arranged on the upper side of the upper inclined guide plate, an impeller seat is arranged on the lower side of the lower inclined guide plate, and the upper inclined guide plate and the lower inclined guide plate guide downward-flow downward-conveying of water flow falling on the.

As a still further scheme of the invention: the rotary impeller is rotatably connected with the supporting base through a rotating shaft III and extends to the lower side of the supporting base, the lower end face of the supporting base is fixedly provided with upright posts which are uniformly arranged and fixedly connected with the bottom of the shell, the rotating shaft tee is detachably and fixedly arranged at the bottom of the shell through a bearing seat which is rotatably connected with the rotating shaft III, a gear I is fixedly arranged on the rotating shaft III and is meshed with a gear IV, the lower end face of the gear IV is circularly and uniformly provided with a gear groove which is internally meshed with a triangular gear tooth, the triangular gear tooth is fixedly arranged at the upper end face of a gear II, the gear II is fixedly arranged on the rotating shaft IV, the rotating shaft tee is detachably and fixedly arranged at the bottom of the shell through the bearing seat I, the gear II is meshed with the gear III, the gear III is fixedly arranged on a rotating shaft V, the lower, the rotating shaft five is rotatably connected with the shell through a sealing bearing and extends to the outer side of the shell, the connecting mode of the rotating shaft five and the rotating shaft one is the same, and the rotating shaft five is in transmission connection with an input rotating shaft of the generator two.

As a still further scheme of the invention: the third rotating shaft is rotatably connected with the first fixing plate through a bearing and penetrates through the first fixing plate, and the first fixing plate is fixedly connected with the stand column through a guide rod.

As a still further scheme of the invention: the gear IV is rotatably connected with a T-shaped sliding rod through a bearing I, an outer ring of the bearing I is fixedly connected with the inner wall of a groove arranged on the upper end face of the gear IV, an inner ring of the bearing I is fixedly connected with the T-shaped sliding rod, the T-shaped sliding rod is slidably connected with a hollow fixed column, a supporting spring II is arranged in the fixed column, the supporting spring II is fixedly connected with the T-shaped sliding rod and the inner wall of the fixed column, a damping spring is sleeved outside the T-shaped sliding rod, two end faces of the damping spring are fixedly connected with the fixed column and the outer wall of the lower end of the T-shaped sliding rod, the fixed column is fixedly connected with a fixed plate II, the fixed plate II is fixedly connected with an upright post through a guide connecting rod I, when the generator II fails, a rotating shaft V, a rotating shaft IV and a gear II cannot rotate, the gear IV rotates under the action, the supporting spring II and the damping spring are compressed, the supporting spring II and the damping spring are abutted against the T-shaped sliding rod to push the gear four downwards to enable the triangular gear teeth to be meshed with the gear tooth grooves, the gear four is meshed with the gear I for transmission, and the situation that the gear I forcibly transmits to drive the rotating shaft five to rotate to cause permanent damage to the generator II is avoided.

As a still further scheme of the invention: the diameter of the first gear is not less than three times the diameter of the fourth gear.

As a still further scheme of the invention: the shell is made of reinforced concrete.

As a still further scheme of the invention: the utility model discloses a water inlet pipe, including casing upside intercommunication inlet channel, the diameter of inlet channel and casing junction outwards increases along the inlet channel gradually, outlet conduit is connected to the casing lower extreme, the diameter of outlet conduit and casing junction outwards reduces along outlet conduit gradually.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the installation shell is built at the lower side of the water outlet of the hydropower station, the water wheel and the rotating wheel blade in the shell are driven by the high-water-level drainage water to drive the first generator and the second generator to generate electricity, the utilization rate of the water flow is greatly improved, the generating efficiency is improved, and the transmission is stable and the efficiency is high by the transmission connection of the gear and the bevel gear.

(2) When the first generator fails to rotate, the first rotating shaft, the rotating column and the transmission shaft which are in transmission connection with the first generator cannot rotate along with the first generator, and when the second rotating shaft rotates under the transmission of the third bevel gear and the fourth bevel gear, the second rotating shaft is driven to move up and down in the rotating column, so that the first rotating shaft, the rotating column and the transmission shaft are prevented from being forcibly driven to rotate by the rotation of the second rotating shaft, permanent damage to the first generator is avoided, and the service life of the first generator is prolonged.

(3) When the second generator fails and cannot rotate, the rotating shaft five, the rotating shaft four and the gear two which are in transmission connection with the second generator cannot rotate, the gear four rotates under the action of the triangular gear teeth and the gear tooth grooves, the gear four moves up and down when rotating, the T-shaped sliding rod is driven to move up and down in the hollow fixed column, the supporting spring two and the damping spring are compressed, the supporting spring two and the damping spring are abutted against the T-shaped sliding rod to press the gear four to move down, so that the triangular gear teeth are meshed with the gear tooth grooves, the gear four is meshed with the gear one to perform meshing transmission, the gear one is prevented from forcibly transmitting to drive the rotating shaft five to rotate, and permanent damage to the second generator is avoided.

Drawings

Fig. 1 is a front view of a hydroelectric generator.

Fig. 2 is a sectional view in the direction B-B of a hydroelectric generator.

Fig. 3 is an enlarged schematic view of a hydroelectric generator at a.

Fig. 4 is a schematic structural view of a water wheel connection transmission in a hydroelectric generator.

FIG. 5 is a schematic view of a gear-mounting transmission in a hydroelectric generator.

In the figure: 1. a housing; 2. a water wheel; 3. a water bucket; 4. a water inlet pipe; 5. a water wheel rotating shaft; 6. an upper inclined guide plate; 7. an impeller seat; 8. a guide bar; 9. a column; 10. a water outlet pipeline; 11. a lower inclined guide plate; 12. a first rotating shaft; 13. a first bevel gear; 14. a second bevel gear; 15. a first generator; 16. a third bevel gear; 17. a fourth bevel gear; 18. a second rotating shaft; 19. a spin column; 20. a first supporting spring; 21. a vertical chute; 22. a slide plate; 23. a slider; 24. a rotating shaft III; 25. a first fixing plate; 26. a first gear; 27. a second gear; 28. a rotating shaft IV; 29. a fifth rotating shaft; 30. a third gear; 31. triangular gear teeth; 32. a fourth gear; 33. a second fixing plate; 34. a second support spring; 35. fixing a column; 36. a T-shaped slide bar; 37. a shock absorbing spring.

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.

Referring to fig. 1 to 5, in the embodiment of the invention, a hydroelectric generator comprises a housing 1, a first generator 15 and a second generator, wherein the first generator 15 and the second generator are respectively and fixedly installed on the top of the housing 1, an upper inclined guide plate 6 and a lower inclined guide plate 11 are arranged in the housing 1, the upper inclined guide plate 6 and the lower inclined guide plate 11 are respectively and fixedly installed on the left and right inner walls of the housing 1, the upper inclined guide plate 6 is located on the upper side of the lower inclined guide plate 11, a water wheel 2 is arranged on the upper side of the upper inclined guide plate 6, a water bucket groove 3 is uniformly and fixedly installed on the side wall of the water wheel 2, the water bucket groove 3 is opposite to a water inlet pipeline 4, the water wheel 2 is fixedly connected with a water wheel rotating shaft 5, the water wheel rotating shaft 5 is rotatably connected with a mounting plate through a bearing, the mounting plate is detachably and fixedly connected with, the second rotating shaft 18 is rotatably connected with a hollow rotating column 19 through a sealed bearing and extends into the rotating column 19, the rotating column 19 is rotatably connected with the shell 1 through a bearing, the inner wall of the rotating column 19 is provided with a vertical sliding groove 21, a sliding block 23 is slidably connected in the vertical sliding groove 21, the sliding block 23 and the vertical sliding groove 21 are uniformly arranged along the inner wall of the rotating column 19, the sliding block 23 is fixedly connected with the side wall of a sliding plate 22, the sliding plate 22 is fixedly connected with the second rotating shaft 18, the upper end surface of the sliding plate 22 is fixedly connected with a first supporting spring 20, the first supporting spring 20 is provided with a plurality of supporting springs, the upper end surface of the first supporting spring 20 is fixedly connected with the inner wall of the rotating column 19, the rotating column 19 is fixedly connected with a first rotating shaft 12, the first rotating shaft 12 is fixedly connected with a first bevel gear 13, the first bevel gear 13 is meshed with a second bevel gear 14, the second bevel gear 14, the water wheel 2 is driven to rotate, the water wheel rotating shaft 5 rotates along with the rotation, the bevel gear III 16 on the water wheel rotating shaft 5 is meshed with the bevel gear IV 17 to drive the rotating shaft II 18, the rotating column 19 and the rotating shaft I12 to rotate, the bevel gear I13 on the rotating shaft I12 is meshed with the bevel gear II 14 to drive the generator I15 to operate and generate electricity, when the generator I15 fails, the rotating shaft I12, the rotating column 19 and the transmission shaft cannot rotate along with the rotation, and when the rotating shaft II 18 rotates under the transmission of the bevel gear III 16 and the bevel gear IV 17, the rotating shaft II 18 is driven to move up and down in the rotating column 19, so that the rotating shaft II 18 is prevented from rotating to forcibly drive the rotating shaft I12, the rotating column 19 and the transmission shaft to rotate, permanent damage to the generator I15 is avoided;

an impeller seat 7 is arranged on the lower side of a lower inclined guide plate 11, the impeller seat 7 is composed of a rotary impeller and a support base, the rotary impeller is rotatably connected with the support base through a third rotary shaft 24 and extends to the lower side of the support base, a plurality of upright columns 9 are fixedly arranged on the lower end face of the support base, the upright columns 9 are uniformly arranged and fixedly connected with the bottom of a shell 1, the third rotary shaft 24 is rotatably connected with a first fixed plate 25 through a bearing and penetrates through the first fixed plate 25, the first fixed plate 25 is fixedly connected with the upright columns 9 through guide rods 8, the first fixed plate 25 and the guide rods 8 play a role in supporting, fixing and guiding for the third rotary shaft 24, the third rotary shaft 24 is rotatably connected with a bearing seat, the bearing seat is detachably and fixedly arranged at the bottom of the shell 1, a first gear 26 is fixedly arranged on the third rotary shaft 24, the first gear 26 is meshed with a fourth gear 32, the, an inner ring of the first bearing is fixedly connected with a T-shaped sliding rod 36, the T-shaped sliding rod 36 is slidably connected with a hollow fixed column 35, a second supporting spring 34 is arranged in the fixed column 35, the second supporting spring 34 is fixedly connected with the inner walls of the T-shaped sliding rod 36 and the fixed column 35, a damping spring 37 is sleeved outside the T-shaped sliding rod 36, two end faces of the damping spring 37 are fixedly connected with the outer walls of the lower ends of the fixed column 35 and the T-shaped sliding rod 36, the fixed column 35 is fixedly connected with a second fixing plate 33, the second fixing plate 33 is fixedly connected with the upright column 9 through a first guiding connecting rod, the lower end face of the fourth gear 32 is circularly and uniformly provided with gear tooth grooves, the gear tooth grooves are internally meshed with triangular gear teeth 31, the triangular gear teeth 31 are fixedly arranged on the upper end face of the second gear 27, the second, a third gear 30 is fixedly mounted on a fifth rotating shaft 29, the lower end of the fifth rotating shaft 29 is rotatably connected with a second bearing seat, the second bearing seat is detachably and fixedly connected with the shell 1, the fifth rotating shaft 29 is rotatably connected with the shell 1 through a sealing bearing and extends to the outer side of the shell 1, the fifth rotating shaft 29 is connected with a first rotating shaft 12 in the same manner and is in transmission connection with an input rotating shaft of a second generator to drive the second generator to generate electricity, the third rotating shaft 24 rotates to drive the first gear 26 to be meshed with the fourth gear 32 to rotate, when the second generator fails, the fifth rotating shaft 29, the fourth rotating shaft 28 and the second gear 27 cannot rotate, the fourth gear 32 rotates under the action of triangular gear teeth 31 and gear teeth grooves, the fourth gear 32 rotates to move up and down, the T-shaped sliding rod 36 is driven to move up and down in a hollow fixing column 35 to compress the second supporting spring 34 and the damping spring 37, the second supporting spring 34 and the damping spring 37 press the fourth gear The gear fourth 32 is meshed with the gear tooth groove, so that the gear first 26 is meshed and driven, the first gear 26 is prevented from forcibly driving to drive the rotating shaft fifth 29 to rotate, and the permanent damage to the second generator is avoided;

the second gear 27 can be meshed with the third gears for transmission to drive the second generators to generate electricity, so that the electricity generation efficiency is improved;

the diameter of the first gear 26 is not less than three times that of the fourth gear 32, so that the fourth gear 32 is driven to perform quick transmission;

casing 1 is made by reinforced concrete, and has strong shock resistance, resist the high liquid level water of carrying from the dam eminence, 1 upside intercommunication inlet channel 4 of casing, the diameter of

inlet channel

4 and 1 junction of casing increases along inlet channel 4 outwards gradually, make inlet channel 4 carry the rivers that advance casing 1 to have stronger potential energy, outlet conduit 10 is connected to 1 lower extreme of casing, the diameter of

outlet conduit

10 and 1 junction of casing outwards reduces along outlet conduit 10 gradually, make the rivers in the casing 1 get rid of fast.

The working principle of the invention is as follows:

when the water turbine is used, the shell 1 is designed at the lower side of a drain outlet of a hydropower station, the drain outlet is communicated with the water inlet pipeline 4, water flow conveyed by the drain outlet drives the water wheel 2 to drive the water wheel 2 and the water wheel rotating shaft 5 to rotate, a bevel gear three 16 on the water wheel rotating shaft 5 is meshed and connected with a bevel gear four 17 to drive a rotating shaft two 18, a rotating column 19 and a rotating shaft one 12 to rotate, a bevel gear one 13 on the rotating shaft one 12 is meshed and drives a bevel gear two 14 to drive a generator one 15 to operate to generate electricity, the falling water wheel drives a rotating impeller and a rotating shaft three 24 on the impeller seat 7 to rotate through the guiding and gathering action of the upper inclined guide plate 6 and the lower inclined guide plate 11, the rotating shaft three 24 rotates to drive the rotating shaft four 28 and the rotating shaft five 29 to rotate through the gear meshing action to drive the generator two to operate to generate electricity, and the water wheel 2 and the rotating impeller are arranged, the utilization rate of water flow is improved, the power generation efficiency is greatly improved, when the first generator 15 and the second generator are out of order and cannot rotate, the first rotating shaft 12, the rotating column 19 and the transmission shaft which are in transmission connection with the first generator 15 cannot rotate, the second rotating shaft 18 is driven to move up and down in the rotating column 19 when the second rotating shaft 18 rotates under the transmission of the third bevel gear 16 and the fourth bevel gear 17, so that the first rotating shaft 12, the rotating column 19 and the transmission shaft are prevented from being forcibly driven to rotate by the rotation of the second rotating shaft 18, permanent damage to the first generator 15 is avoided, the service life of the generator is prolonged, the fifth rotating shaft 29, the fourth rotating shaft 28 and the second gear 27 which are in transmission connection with the second generator cannot rotate, the fourth gear 32 rotates under the action of the triangular gear teeth 31 and the gear teeth grooves, the fourth gear 32 moves up and down when rotating, the T-shaped sliding rod 36, the second support spring 34 and the damping spring 37 are compressed, the second support spring 34 and the damping spring 37 abut against the T-shaped sliding rod 36 to press the fourth gear 32 to move downwards, so that the triangular gear 31 is meshed with the gear tooth groove, the fourth gear 32 is meshed with the first gear 26 for transmission, the first gear 26 is prevented from forcibly transmitting to drive the fifth rotating shaft 29 to rotate, and permanent damage to the second generator is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A hydroelectric generator comprises a shell (1), a first generator (15) and a second generator, wherein the first generator (15) and the second generator are respectively and fixedly installed at the top of the shell (1), and the hydroelectric generator is characterized in that a water wheel (2) and an impeller seat (7) are arranged in the shell (1), a water bucket groove (3) is uniformly and fixedly installed on the side wall of the water wheel (2), the water wheel (2) is fixedly connected with a water wheel rotating shaft (5), the water wheel rotating shaft (5) is rotatably connected with an installation plate through a bearing, the installation plate is detachably and fixedly connected with the shell (1) through a bolt, a bevel gear III (16) is fixedly installed on the water wheel rotating shaft (5), the bevel gear III (16) is in meshing connection with a bevel gear IV (17), the bevel gear IV (17) is fixedly installed on the rotating shaft II (18), the rotating shaft II (18) is rotatably, and extends into a rotating column (19), the rotating column (19) is rotatably connected with the shell (1) through a bearing, the inner wall of the rotating column (19) is provided with a vertical sliding groove (21), the vertical sliding groove (21) is internally and slidably connected with a sliding block (23), the sliding block (23) and the vertical sliding groove (21) are uniformly arranged along the inner wall of the rotating column (19), the sliding block (23) is fixedly connected with the side wall of a sliding plate (22), the sliding plate (22) is fixedly connected with a rotating shaft II (18), the upper end surface of the sliding plate (22) is fixedly connected with a supporting spring I (20), the upper end surface of the supporting spring I (20) is fixedly connected with the inner wall of the rotating column (19), the rotating column (19) is fixedly connected with a rotating shaft I (12), the rotating shaft I (12) is fixedly connected with a bevel gear I (13), the bevel gear I (13) is meshed with a bevel gear II (14), the transmission shaft is connected with a rotary input shaft of a first generator (15) through a gearbox and a coupling, and the impeller seat (7) consists of a rotary impeller and a support base.

2. The hydroelectric generator according to claim 1, wherein an upper inclined guide plate (6) and a lower inclined guide plate (11) are arranged in the casing (1), the upper inclined guide plate (6) and the lower inclined guide plate (11) are respectively fixedly mounted on the left and right inner walls of the casing (1), the upper inclined guide plate (6) is positioned on the upper side of the lower inclined guide plate (11), the water wheel (2) is arranged on the upper side of the upper inclined guide plate (6), and the impeller seat (7) is arranged on the lower side of the lower inclined guide plate (11).

3. The hydroelectric generator according to claim 1, wherein the rotary impeller is rotatably connected with a support base through a third rotary shaft (24) and extends to the lower side of the support base, the upright (9) is fixedly installed on the lower end surface of the support base, the upright (9) is uniformly arranged and is fixedly connected with the bottom of the housing (1), the third rotary shaft (24) is detachably and fixedly installed on the bottom of the housing (1) through a rotatably connected bearing seat, a first gear (26) is fixedly installed on the third rotary shaft (24), the first gear (26) is engaged with a fourth gear (32), the lower end surface of the fourth gear (32) is circular and is uniformly provided with gear grooves, the gear grooves are engaged with triangular gear teeth (31), the triangular gear teeth (31) are fixedly installed on the upper end surface of the second gear (27), and the second gear (27) is fixedly installed on the fourth rotary shaft (28), the rotating shaft four (28) is fixedly installed at the bottom of the shell (1) through a bearing seat I in a detachable mode, a gear II (27) is connected with a gear III (30) in a meshed mode, the gear III (30) is fixedly installed on a rotating shaft five (29), the lower end of the rotating shaft five (29) is rotatably connected with a bearing seat II, the bearing seat II is fixedly connected with the shell (1) in a detachable mode, the rotating shaft five (29) is rotatably connected with the shell (1) through a sealing bearing and extends to the outer side of the shell (1), the connecting mode of the rotating shaft five (29) and the rotating shaft I (12) is the same, and the rotating shaft I is connected with the.

4. A hydroelectric generator as claimed in claim 3, wherein said third shaft (24) is rotatably connected to the first fixing plate (25) through a bearing and penetrates through the first fixing plate (25), and the first fixing plate (25) is fixedly connected to the upright (9) through the guide rod (8).

5. Hydroelectric generator according to claim 3, wherein said gear four (32) is rotatably connected to a T-shaped sliding bar (36) by means of a bearing one, the outer ring of the first bearing is fixedly connected with the inner wall of a groove arranged on the upper end surface of the fourth gear (32), the inner ring of the first bearing is fixedly connected with a T-shaped sliding rod (36), the T-shaped sliding rod (36) is connected with a hollow fixed column (35) in a sliding manner, a second supporting spring (34) is arranged in the fixed column (35), the second support spring (34) is fixedly connected with the inner walls of the T-shaped sliding rod (36) and the fixed column (35), a damping spring (37) is sleeved outside the T-shaped sliding rod (36), two end faces of the damping spring (37) are fixedly connected with a fixing column (35) and the outer wall of the lower end of the T-shaped sliding rod (36), the fixed column (35) is fixedly connected with a second fixed plate (33), and the second fixed plate (33) is fixedly connected with the upright column (9) through a first guide connecting rod.

6. A hydroelectric generator as claimed in claim 3, wherein the first gear (26) has a diameter no less than three times the diameter of the fourth gear (32).

7. Hydroelectric generator according to claim 1, wherein said casing (1) is made of reinforced concrete.

8. A hydroelectric generator as claimed in claim 1, wherein the upper side of the housing (1) is connected with a water inlet pipe (4), the diameter of the joint of the water inlet pipe (4) and the housing (1) is gradually increased along the water inlet pipe (4), the lower end of the housing (1) is connected with a water outlet pipe (10), and the diameter of the joint of the water outlet pipe (10) and the housing (1) is gradually decreased along the water outlet pipe (10).