CN215562456U

CN215562456U - A block dirty device of decontaminating for power station

Info

Publication number: CN215562456U
Application number: CN202121223702.8U
Authority: CN
Inventors: 隋鹏; 张小春; 杨兴富; 刘建飞; 蒋海平; 王联平; 贾坤璠; 张箴星
Original assignee: Datang Rural Urban Water Power Development Co ltd
Current assignee: Datang Rural Urban Water Power Development Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-18
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to the technical field of hydropower stations, and discloses a trash blocking and cleaning device for a hydropower station, which comprises a travelling assembly and a cleaning assembly, wherein the cleaning assembly comprises a storage box, a portal frame is arranged at the top of the storage box, clamping plates are fixedly arranged on the left side and the right side of the top of the portal frame through bolts and nuts, the travelling assembly and the cleaning assembly are in transmission connection through two groups of clamping plates, and a collecting assembly is fixedly arranged on the front side and the back side of the storage box through bolts and nuts. This a block dirty device of decontaminating for power station, through broken wheel components and driving motor, make not unidimensional filth send the filth to between two sets of broken wheel components through the direction tooth, two sets of reverse rotation's broken wheel components break into rated size with the filth, have improved the adaptability that the device was collected to not unidimensional filth, have strengthened the effect of decontaminating of device to the practicality of device has been strengthened.

Description

A block dirty device of decontaminating for power station

Technical Field

The utility model relates to the technical field of hydropower stations, in particular to a trash blocking and cleaning device for a hydropower station.

Background

Through the retrieval, chinese patent No. CN209307958U discloses a trash holding and cleaning device for hydropower station, relates to the technical field of hydropower station, and concretely relates to trash holding and cleaning device for hydropower station, including the vertical trash rack that sets up on the hydropower station trash rack dam gate opening, the face side of trash rack is provided with the grab bucket of decontaminating, the upside of hydropower station trash rack is provided with the lift mechanism that the grab bucket of driving decontaminating goes up and down and carries out horizontal, longitudinal movement, and this trash holding and cleaning device for hydropower station compact structure conveniently is used for the hydropower station to decontaminate, can effectively avoid the last vertical roof beam of trash rack, effectively avoids artifical salvage in the trash cleaning process simultaneously, practices thrift the labour.

The power station among the prior art is with blocking dirty device of decontaminating when using, clears away water surface showy filth as far as possible through the grab bucket of decontaminating, but because the device is difficult to collect not unidimensional material simultaneously at the in-process of clearance, leads to the effect of decontaminating of device to be relatively poor, and the device need adjust the position of the grab bucket of decontaminating according to the gathering situation of filth at the in-process of clearance for the operation degree of difficulty of device increases, thereby has influenced the practicality of device.

Based on the above, the utility model designs a trash holding and cleaning device for a hydropower station to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a trash holding and cleaning device for a hydropower station, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a trash blocking and cleaning device for a hydropower station comprises a travelling assembly and a cleaning assembly, wherein the cleaning assembly comprises a storage box, a portal frame is arranged at the top of the storage box, clamping plates are fixedly arranged on the left side and the right side of the top of the portal frame through bolts and nuts, the travelling assembly and the cleaning assembly are in transmission connection through two groups of clamping plates, collecting assemblies are fixedly arranged on the front side and the back side of the storage box through bolts and nuts, each group of collecting assemblies comprises two groups of fixing frames, two adjacent groups of fixing frames are fixedly arranged through bolts and nuts, a plurality of groups of water flow holes are formed in the surface of each group of fixing frames, a blocking net is arranged in each group of water flow holes, guide teeth are arranged on the outer side surface of each group of fixing frames, two adjacent groups of guide teeth are fixedly arranged through bolts and nuts, and two groups of rotating holes are formed in the outer side surface of each group of fixing frame, the inner wall of the rotary hole on the left side of each group is rotatably connected with a crushing roller assembly, the inner wall of the rotary hole of each group is rotatably connected with the outer surface of the corresponding crushing roller assembly, the left side and the right side of the outer surface of the crushing roller assembly of each group are respectively provided with a rotary gear, the outer side surface of the fixing frame of each group is fixedly connected with two groups of indirect shafts, each group of indirect shafts is rotatably connected with an indirect gear, two groups of adjacent rotary gears are in meshing transmission through two groups of indirect gears, the left end and the right end of the crushing roller assembly on the upper side of each group are respectively provided with a driven belt pulley, the front side and the rear side of the left side surface and the right side surface of the storage box are respectively provided with a mounting groove, a driving motor is fixedly mounted in each group of the mounting grooves, the output end of each group of the driving motor is provided with a driving belt pulley, and each group of the driven belt pulley is connected with the corresponding driving belt pulley through belt transmission, and each group of the fixed frames is internally and fixedly provided with a suction assembly through bolts.

Preferably, the advancing assembly comprises two groups of transmission units, the right side face of the transmission unit on the left side is fixedly connected with the left side face of the transmission unit on the right side, each group of transmission units comprises two groups of winch assemblies, and the two groups of corresponding winch assemblies are in transmission connection through steel wire ropes.

Preferably, every group broken roller components all includes the location axle, every group the epaxial equal sliding connection in location has the broken wheel of multiunit, the epaxial multiunit that is equipped with in location drives the key, every group the inner wall of broken wheel all sets up and supplies to drive the key and insert and close, and can follow the drive groove that the location axle axial is free to slide, every group the epaxial slidable cover in location is equipped with two sets of clamping disk, every group the epaxial equal spiro union in location has two sets of lock nut.

Preferably, every group the absorption subassembly all includes the suction tube, every group all seted up multiunit water filtering hole on the suction tube, every group all be equipped with two sets of mounting brackets on the suction tube, every group all be provided with the auger in the suction tube, every group the inner of suction tube all has the absorption motor, every group through bolt and nut fixed mounting the output of absorption motor all with the inner fixed connection of corresponding auger.

Preferably, each group of positioning shafts is connected with two groups of anti-drop nuts in a threaded mode, and each group of anti-drop nuts are abutted against corresponding locking nuts.

Preferably, the left side surface and the right side surface of each group of crushing wheels are provided with a plurality of groups of parallel grooves, parallel keys are arranged in the parallel grooves on the left side of each group, and the parallel grooves on the right side of each group are clamped with the corresponding parallel keys.

Preferably, audible and visual alarms are fixedly mounted on the upper portions of the left side face and the right side face of the portal frame through bolts.

Preferably, every group all seted up two groups of belt grooves on driven pulley and the drive pulley, every group driven pulley all is connected through two sets of belt transmission with corresponding drive pulley.

Preferably, the left side and the right side of the front surface and the back surface of the portal frame are respectively provided with an oblique support plate, and the bottom of each group of oblique support plates is fixedly connected with the top of the storage box.

Preferably, each group of the fixing frame is provided with a protective cover on the outer side surface, and each group of the rotating gear and the indirect gear are located inside the corresponding protective cover.

(III) advantageous effects

Compared with the prior art, the utility model provides a trash holding and cleaning device for a hydropower station, which has the following beneficial effects:

1. this a block dirty device of decontaminating for power station, through broken wheel components and driving motor, make not unidimensional filth send the filth to between two sets of broken wheel components through the direction tooth, two sets of reverse rotation's broken wheel components break into rated size with the filth, have improved the adaptability that the device was collected to not unidimensional filth, have strengthened the effect of decontaminating of device to the practicality of device has been strengthened.

2. This a block dirty device of decontaminating for power station, through the subassembly of marcing, the subassembly of marcing makes and drives the clearance subassembly through the portal frame and remove along the water surface, and the operating personnel's operation flow has been simplified in the filth on the moving path passes through the direction tooth and gets into the clearance subassembly, has strengthened the degree of automation of device operation, has improved the convenience of device operation to the practicality of device has been strengthened.

3. This a block dirty device of decontaminating for power station, through two sets of collection subassemblies and the subassembly of marcing, make the device collect the subassembly and all can smash the collection to the filth on water surface at the round in-process that moves, improved the collection efficiency of device to water surface filth, reduced the time that the device cleared up water surface filth, reduced the energy loss of device operation to the practicality of device has been strengthened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a structural cleaning assembly of the present invention;

FIG. 3 is an exploded perspective view of the structural collection assembly of the present invention;

FIG. 4 is an exploded perspective view of the crushing roller assembly of the present invention;

fig. 5 is an exploded perspective view of the suction assembly of the present invention.

In the figure: 1. a travel assembly; 2. cleaning the assembly; 3. a storage tank; 4. a gantry; 5. a splint; 6. a collection assembly; 7. a fixed mount; 8. a barrier net; 9. a guide tooth; 10. a crushing roller assembly; 11. a rotating gear; 12. an indirect shaft; 13. an indirect gear; 14. a driven pulley; 15. a drive motor; 16. a drive pulley; 17. a suction assembly; 18. a transmission unit; 19. a winch assembly; 20. a wire rope; 21. positioning the shaft; 22. a crushing wheel; 23. a driving key; 24. a mounting frame; 25. an extraction tube; 26. a packing auger; 27. a suction motor; 28. clamping the disc; 29. locking the nut; 30. an anti-drop nut; 31. a parallel bond; 32. an audible and visual alarm; 33. an oblique support plate; 34. a shield.

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. 1-5, the present invention provides a technical solution: a trash blocking and cleaning device for a hydropower station comprises a traveling assembly 1 and a cleaning assembly 2, wherein the traveling assembly 1 drives the cleaning assembly 2 to move along the surface of a water body through a portal frame 4 by the traveling assembly 1, dirt on a moving route enters the cleaning assembly 2 through guide teeth 9, the operation process of an operator is simplified, the automation degree of the operation of the device is enhanced, and the convenience of the operation of the device is improved, so that the practicability of the device is enhanced, the cleaning assembly 2 comprises a storage box 3, the portal frame 4 is arranged at the top of the storage box 3, clamping plates 5 are fixedly arranged on the left side and the right side of the top of the portal frame 4 through bolts and nuts, the traveling assembly 1 and the cleaning assembly 2 are in transmission connection through two groups of clamping plates 5, a collecting assembly 6 is fixedly arranged on the front side and the back side of the storage box 3 through bolts and nuts, and through two groups of collecting assemblies 6 and the traveling assembly 1, the collecting component 6 can crush and collect the dirt on the surface of the water body in the reciprocating process of the device, the collecting efficiency of the device on the dirt on the surface of the water body is improved, the time for cleaning the dirt on the surface of the water body by the device is shortened, the energy loss of the device in operation is reduced, so that the practicability of the device is enhanced, each group of collecting component 6 comprises two groups of fixing frames 7, two groups of adjacent fixing frames 7 are fixedly installed through bolts and nuts, a plurality of groups of water flowing holes are formed in the surface of each group of fixing frames 7, a blocking net 8 is arranged in each group of water flowing holes, the outer side surface of each group of fixing frames 7 is provided with a guide tooth 9, two groups of adjacent guide teeth 9 are fixedly installed through bolts and nuts, two groups of rotating holes are formed in the outer side surface of each group of fixing frames 7, the inner wall of each group of left rotating holes is rotatably connected with a crushing roller component 10 through the crushing roller component 10 and a driving motor 15, the sewage of different sizes is sent between two groups of crushing roller assemblies 10 through the guide teeth 9, the sewage is crushed into the rated size by the two groups of crushing roller assemblies 10 which rotate in opposite directions, the adaptability of the device to the collection of the sewage of different sizes is improved, the sewage cleaning effect of the device is enhanced, so that the practicability of the device is enhanced, the inner wall of each group of rotating holes is rotatably connected with the outer surface of the corresponding crushing roller assembly 10, the left side and the right side of the outer surface of each group of crushing roller assemblies 10 are respectively provided with a rotating gear 11, the outer side surface of each group of fixing frames 7 is fixedly connected with two groups of indirect shafts 12, each group of indirect shafts 12 is rotatably connected with an indirect gear 13, two groups of adjacent rotating gears 11 are in meshing transmission through the two groups of indirect gears 13, the left end and the right end of each group of the upper crushing roller assembly 10 are respectively provided with a driven belt pulley 14, and the front side and the rear side of the left side and the right side of the storage box 3 are respectively provided with mounting grooves, and a driving motor 15 is fixedly installed in each group of mounting grooves, the type of the driving motor 15 is KA57BR37WSSB0.18kW-4-215-A-M2, a driving belt pulley 16 is arranged at the output end of each group of driving motors 15, each group of driven belt pulleys 14 is in transmission connection with the corresponding driving belt pulley 16 through a belt, and a suction assembly 17 is fixedly installed in each group of fixing frames 7 through bolts.

In the utility model, in order to improve the safety of the device in the operation process, the traveling assembly 1 comprises two groups of transmission units 18, the right side surface of the left side transmission unit 18 is fixedly connected with the left side surface of the right side transmission unit 18, each group of transmission unit 18 comprises two groups of winch assemblies 19, the types of the winch assemblies 19 are PA200-1000, the two groups of corresponding winch assemblies 19 are in transmission connection through a steel wire rope 20, and the two groups of transmission units 18 enable one group of transmission units 18 to still run after being damaged, so that the safety of the device in the operation process is improved.

In the utility model, in order to improve the convenience of maintenance of the crushing roller assemblies 10, each group of crushing roller assemblies 10 comprises a positioning shaft 21, a plurality of groups of crushing wheels 22 are slidably connected to each group of positioning shafts 21, a plurality of groups of driving keys 23 are arranged on each positioning shaft 21, a driving groove for inserting the driving keys 23 and freely sliding along the axial direction of the positioning shaft 21 is formed in the inner wall of each group of crushing wheels 22, two groups of clamping discs 28 are slidably sleeved on each group of positioning shafts 21, two groups of locking nuts 29 are screwed on each group of positioning shafts 21, and through the crushing wheels 22, an operator can replace the corresponding crushing wheels 22 according to the damage condition of the crushing roller assemblies 10, so that the convenience of maintenance of the crushing roller assemblies 10 is improved.

In the utility model, in order to prolong the service life of the suction assembly 17, each group of suction assembly 17 comprises a suction pipe 25, a plurality of groups of water filtering holes are formed in each group of suction pipe 25, two groups of mounting frames 24 are arranged on each group of suction pipe 25, an auger 26 is arranged in each group of suction pipe 25, a suction motor 27 is fixedly mounted at the inner end of each group of suction pipe 25 through a bolt and a nut, the suction motor 27 is KF77-25.62-Y2.2-4P-M1-J1-A-S, the output end of each group of suction motor 27 is fixedly connected with the inner end of the corresponding auger 26, crushed dirt enters the storage box 3 from the suction pipe 25 through the auger 26, the structure of the suction assembly 17 is simplified, the cost of the device is reduced, and the service life of the suction assembly 17 is prolonged.

In the utility model, in order to reduce the loosening probability of the locking nuts 29, two groups of anti-falling nuts 30 are screwed on each group of positioning shafts 21, each group of anti-falling nuts 30 abuts against the corresponding locking nut 29, and the locking nuts 29 obtain a certain fastening force in the operation process through the anti-falling nuts 30, so that the loosening probability of the locking nuts 29 is reduced.

In the utility model, in order to prolong the service life of the positioning shaft 21, a plurality of groups of parallel grooves are respectively arranged on the left side surface and the right side surface of each group of crushing wheels 22, a parallel key 31 is arranged in each group of left parallel grooves, each group of right parallel grooves is clamped with the corresponding parallel key 31, the plurality of groups of crushing wheels 22 are connected in series through the parallel keys 31, the stress area of the driving keys 23 in the crushing process is increased, and the service life of the positioning shaft 21 is prolonged.

In the utility model, in order to improve the safety of the device in the operation process, the audible and visual alarms 32 are fixedly arranged on the upper parts of the left side surface and the right side surface of the portal frame 4 through bolts, the type of the audible and visual alarm 32 is TGSG-110, the audible and visual alarm 32 is used for enabling an operator to start the audible and visual alarm 32 simultaneously in the device starting process, and the audible and visual alarm 32 gives out audible and visual alarms, so that the safety of the device in the operation process is improved.

In the utility model, in order to improve the transmission power between the driven pulley 14 and the driving pulley 16, two sets of belt grooves are respectively arranged on each set of driven pulley 14 and the driving pulley 16, each set of driven pulley 14 is in transmission connection with the corresponding driving pulley 16 through two sets of belts, and the friction areas of the driven pulley 14 and the driving pulley 16 are increased through the two sets of belts, so that the transmission power between the driven pulley 14 and the driving pulley 16 is improved.

In the utility model, in order to improve the stability of the portal frame 4, the inclined support plates 33 are respectively arranged on the left side and the right side of the front surface and the back surface of the portal frame 4, the bottom of each group of inclined support plates 33 is fixedly connected with the top of the storage box 3, and the portal frame 4 and the storage box 3 are connected more firmly through the inclined support plates 33, so that the stability of the portal frame 4 is improved.

In the utility model, in order to reduce the probability of the dirt blocking the rotary gear 11 and the indirect gear 13, the outer side surface of each group of fixing frames 7 is provided with the protective cover 34, each group of rotary gear 11 and the indirect gear 13 are positioned in the corresponding protective cover 34, and the dirt is difficult to twist between the rotary gear 11 and the indirect gear 13 through the protective cover 34, so that the probability of the dirt blocking the rotary gear 11 and the indirect gear 13 is reduced.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the device is fixedly installed at a rated position, then the traveling component 1 is started, the traveling component 1 drives the cleaning component 2 to move along the surface of water body through the portal frame 4, the driving motor 15 is started at the same time, the driving motor 15 drives the driven belt pulley 14 to rotate through the driving belt pulley 16 and the belt, the driven belt pulley 14 moves the crushing roller component 10 on the upper side to rotate along the rotating hole, the crushing roller component 10 on the upper side drives the crushing roller component 10 on the lower side to reversely rotate through the rotating gear 11 and the indirect gear 13, the cleaning component 2 sends dirt between the two groups of crushing roller components 10 through the guide teeth 9 in the moving process, the two groups of crushing roller components 10 which reversely rotate break the dirt into a rated size, the broken dirt enters the fixed frame 7 under the driving of the crushing roller components 10, and the external water body enters the fixed frame 7 through the barrier net 8, the filth in the mount 7 floats under the buoyancy of water, starts when driving motor 15 starts and absorbs subassembly 17, absorbs the filth entering bin 3 in subassembly 17 drives the mount 7, absorbs the moisture filtering that subassembly 17 contained in it when transporting the filth, and the filth is got rid of and is reset the device after accomplishing.

In conclusion, this a trash holding and cleaning device for power station through broken roller components 10 and driving motor 15, makes not unidimensional filth send the filth to between two sets of broken roller components 10 through direction tooth 9, and two sets of reverse rotation's broken roller components 10 become the specified size with the filth, has improved the adaptability that the device was collected to unidimensional filth, has strengthened the effect of decontaminating of device to the practicality of device has been strengthened.

This a block dirty device of decontaminating for power station, through advancing subassembly 1, make advance subassembly 1 and drive clearance subassembly 2 through portal frame 4 and remove along the water surface, in the filth on the moving path passes through direction tooth 9 and gets into clearance subassembly 2, simplified operating personnel's operation procedure, strengthened the degree of automation of device operation, improved the convenience of device operation to the practicality of device has been strengthened.

This a block dirty device of decontaminating for power station through two sets of collection subassemblies 6 and subassembly 1 of marcing, makes the device come and go the in-process and collect subassembly 6 and all can smash the collection to the filth on water surface at the operation, has improved the collection efficiency of device to water surface filth, has reduced the time that the device cleared up water surface filth, has reduced the energy loss of device operation to the practicality of device has been strengthened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A trash holding and cleaning device for a hydropower station, comprising a traveling assembly (1) and a cleaning assembly (2), characterized in that: the cleaning assembly (2) comprises a storage box (3), a portal frame (4) is arranged at the top of the storage box (3), clamping plates (5) are fixedly arranged on the left side and the right side of the top of the portal frame (4) through bolts and nuts, the advancing assembly (1) and the cleaning assembly (2) are in transmission connection through two groups of clamping plates (5), collecting assemblies (6) are fixedly arranged on the front and the back of the storage box (3) through bolts and nuts, each group of collecting assemblies (6) comprises two groups of fixing frames (7), the two adjacent fixing frames (7) are fixedly arranged through bolts and nuts, a plurality of groups of water flow holes are formed in the surface of each group of fixing frames (7), a blocking net (8) is arranged in each group of water flow holes, guide teeth (9) are arranged on the outer side face of each group of the fixing frame (7), the two adjacent guide teeth (9) are fixedly arranged through bolts and nuts, the outer side surface of each group of the fixing frame (7) is provided with two groups of rotating holes, the inner wall of the rotating hole on the left side of each group is rotatably connected with a crushing roller assembly (10), the inner wall of the rotating hole on each group is rotatably connected with the outer surface of the corresponding crushing roller assembly (10), the left side and the right side of the outer surface of each group of the crushing roller assembly (10) are provided with rotating gears (11), the outer side surface of each group of the fixing frame (7) is fixedly connected with two groups of indirect shafts (12), each group of the indirect shafts (12) is rotatably connected with indirect gears (13), two adjacent groups of the rotating gears (11) are engaged and driven through two groups of indirect gears (13), the left end and the right end of the crushing roller assembly (10) on the upper side of each group are provided with driven belt pulleys (14), and the front side and the rear side of the left side surface and the right side surface of the storage box (3) are provided with mounting grooves, every group equal fixed mounting has driving motor (15), every group in the mounting groove the output of driving motor (15) all is equipped with drive pulley (16), every group driven pulley (14) are connected through belt transmission with corresponding drive pulley (16), every group all there is absorption subassembly (17) through bolt fixed mounting in mount (7).

2. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: the travelling assembly (1) comprises two groups of transmission units (18), the right side face of the transmission unit (18) on the left side is fixedly connected with the left side face of the right transmission unit (18), each group of transmission units (18) comprises two groups of winch assemblies (19), and the two groups of corresponding winch assemblies (19) are in transmission connection through steel wire ropes (20).

3. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: every group broken roller components (10) all include location axle (21), every group equal sliding connection has broken wheel of multiunit (22) on location axle (21), be equipped with multiunit drive key (23) on location axle (21), every group the inner wall of broken wheel (22) is all seted up and is supplied to drive key (23) and insert, and can follow location axle (21) axial free slip's drive groove, every group slidable cover is equipped with two sets of clamping disk (28), every group on location axle (21) equal spiro union has two sets of lock nut (29) on location axle (21).

4. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: every group absorb subassembly (17) and all include suction tube (25), every group all seted up the multiunit drainage hole on suction tube (25), every group all be equipped with two sets of mounting bracket (24) on suction tube (25), every group all be provided with auger (26) in suction tube (25), every group suction tube (25) the inner all has suction motor (27), every group through bolt and nut fixed mounting suction motor (27) the output of suction motor (27) all with the inner fixed connection of corresponding auger (26).

5. A trash holding and cleaning device for a hydroelectric power station according to claim 3, wherein: each group of positioning shafts (21) are respectively screwed with two groups of anti-falling nuts (30), and each group of anti-falling nuts (30) are respectively propped against corresponding locking nuts (29).

6. A trash holding and cleaning device for a hydroelectric power station according to claim 5, wherein: the left side face and the right side face of each group of crushing wheels (22) are provided with a plurality of groups of parallel grooves, parallel keys (31) are arranged in the parallel grooves on the left side of each group, and the parallel grooves on the right side of each group are clamped with the corresponding parallel keys (31).

7. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: and audible and visual alarms (32) are fixedly mounted on the upper parts of the left side surface and the right side surface of the portal frame (4) through bolts.

8. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: every group two groups of belt grooves have all been seted up on driven pulley (14) and drive pulley (16), every group driven pulley (14) all are connected through two sets of belt drive with corresponding drive pulley (16).

9. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: oblique supporting plates (33) are arranged on the left side and the right side of the front face and the back face of the portal frame (4), and the bottom of each oblique supporting plate (33) is fixedly connected with the top of the storage box (3).

10. A trash holding and cleaning device for a hydroelectric power station according to claim 1, further comprising: every group the lateral surface of mount (7) all is equipped with protection casing (34), every group rotatory gear (11) and indirect gear (13) all are located the inside of corresponding protection casing (34).