CN207714269U - A kind of dam trash rack solid dirt cleaning plant - Google Patents

Abstract

The utility model discloses a kind of dam trash rack solid dirt cleaning plant, include set on the rack take of trash rack influent side, above rack take and hinged weight vehicle, the movement of driving weight vehicle and rack take turns over the haulage gear of rake, is fixedly arranged on trash rack upper susceptor and track parallel with it, set on haulage gear bottom and the walking mechanism that coordinate with track, weight vehicle passes through two side guide wheels and rolls cooperation with two side rails of trash rack or grizzly bar；The back-off of rack take " C " shape is in trash rack and top is hinged with weight vehicle and middle and lower part is turned over rake cable with haulage gear and connect, and rack take is equipped with the rake teeth being inserted into trash rack；Haulage gear include the rack of the fixed walking mechanism in bottom, upper rack main shaft, main shaft exports axis connection with Motor drive decelerator and is wrapped with hoisting cable and turns over rake cable, hoisting cable is connect with weight vehicle, and rack sets the hydraulic pressure machine for turning up the soil and harrowing structure that rake cable is turned in lifting.The utility model has the characteristics that simple in structure, stable and reliable in work, scarfing cinder is efficient.

Description

A kind of dam trash rack solid dirt cleaning plant

Technical field

The utility model belongs to water conservancy equipment technical field, and in particular to a kind of simple in structure, stable and reliable in work, scarfing cinder Efficient, energy-saving dam trash rack solid dirt cleaning plant.

Background technology

The energy is the material base of mankind's activity.In the world today, the development of the energy, the energy and environment are the whole world, complete Mankind's questions of common interest and the major issue of Chinese society economic development.As people are to the attention degree day of environment Benefit improves, and clean energy resource is developed rapidly.Water can repeat again as the renewable energy of nature with hydrologic cycle It is raw, and one of principal mode of water power calculation is hydroelectric generation.Hydroelectric generation does not occur during water can be converted into electric energy Chemical change does not drain harmful substance, and effect on environment is small, therefore power dam acquisition is a kind of clean energy.But It is the solid dirts such as many branches, leaf, refuse bag usually to be floated in the reservoir area in power station, so all can be before flume Pond and the intake setting structures such as trash rack or block are intercepted, to stop that solid dirt enters in the hydraulic turbine, with Exempt to cause head loss and the damage of equipment.Trash rack during use, bear the accumulation of a large amount of sundries for a long time, such as It clears up not in time, not only results in the blocking of water inlet, can also reduce water flow, cause the loss of head, influence generating set Normal operation, so needing to clear up trash rack.

In the prior art, manual cleaning is used for the trash rack part of small hydropower station, not only fettler people workload It is heavy, remove contamination not in time, inefficiency, but also there are security risks.And for the small-sized water power in medium-and-large-sized power station and part It stands, is generally cleared up using trash.Existing trash mainly uses that operation principle is simple, lower-cost tooth harrow formula knot Structure, by the wirerope-winding of elevating mechanism on reel, reel positive and negative rotation is risen or fallen with controlling tooth harrow, realizes tooth Rake, which declines, inserts dirt, rises after grabbing dirt.But tooth harrow formula trash due on tooth harrow both ends lower edge be easy because of water flow variation, solid The generations offset such as dirt blocking, causes tooth harrow integral inclined, causes operation up and down unstable or even stuck, seriously leads to cable wire It breaks；The mode for increasing the working clearance is often taken in the generation of the above situation in order to prevent, is increased however as gap, and meeting Tooth harrow is caused to swing, dirt clears up unclean or even tooth harrow both sides guide wheel and cable wire derailing between being easy to cause grizzly bar, makes At tooth harrow is stuck or cable wire is seriously worn, the working condition and service life of trash are influenced；In addition, due to tooth harrow dirt-inserting force Size only lean on the dead weight of tooth harrow, and that tooth harrow will not generally be done is too heavy, therefore when encountering the larger dirt of buoyancy there are tooth harrow both Be difficult to sink to effective operating position, and tooth harrow also can because resistance it is uneven due to cause to tilt, be easy to cause pawl dirt rising When dirt clear up the serious problems of unclean, stuck or even cable wire derailing；In addition, existing tooth harrow formula trash passes through top Elevating mechanism is removed contamination to realize, the setting for multiple trash racks in medium-and-large-sized power station, needs to be correspondingly arranged more trashes It removes contamination to realize, not only of high cost, but also for the relatively small number of power station of solid dirt, trash is all when most of In discontinuous operation state, the service efficiency of trash is relatively low, and maintenance cost is higher.

Utility model content

The utility model is in view of the problems of the existing technology and insufficient, and providing a kind of simple in structure, the operation is stable can It leans on, the dam trash rack solid dirt cleaning plant that scarfing cinder is efficient, energy-saving.

The utility model is realized in this way：Including being set to the rack take of trash rack influent side, being set on rack take Square and weight vehicle hinged therewith is set to above trash rack and for driving weight vehicle up and down motion and rack take to turn over leading for rake Draw mechanism, the pedestal that is fixedly installed on above trash rack and the track parallel with trash rack, be fixedly installed on haulage gear bottom And the walking mechanism of cooperation is rolled with track, the weight vehicle is by setting up the guide wheel of both sides separately and being fixedly installed on trash rack both sides Guide rail or trash rack grizzly bar roll cooperation；The rack take is buckled at " C " shape structure on trash rack, the rack take The rake cable that turns over of the lower hinge of top and weight vehicle and middle part or lower part and haulage gear connects, and the rack take is far from counterweight One end of vehicle is provided with the rake teeth being inserted into trash rack；The haulage gear includes the machine that bottom is fixedly installed walking mechanism Frame, the main shaft for being set to upper rack, the output axis connection of main shaft one end and motor-driven retarder, the main shaft point It is not wrapped with hoisting cable and turns over rake cable, the other end of the hoisting cable and the top of weight vehicle connect, in the rack Portion is provided with the machine for turning up the soil and harrowing structure that rake cable is turned in lifting.

The utility model has the advantages that compared with prior art：

1, the utility model in the setting of rack take upper end and the guide rail or grizzly bar of trash rack both sides by rolling matching for cooperation Loaded vehicle can adjust counterweight according to different fields of employment and dirt property and buoyancy size, to increase the weight of rack take sinking, To increase the dirt-inserting force of rack take, enable to sink to effective operating position to remove solid dirt, and pass through counterweight The guide wheel cooperation of vehicle, which forms the sinking of rack take and uphill process, to be oriented to, and rack take is effectively avoided to tilt the cleaning of stuck and dirt It is unclean；Especially weight vehicle guide wheel setting inner rim or outer rim coordinate with the side of guide rail or grizzly bar, can effectively avoid The derailing of trash rack and weight vehicle and stuck problem, to improve reliable and stable performance when work；

2, the track cooperation in the walking mechanism and pedestal that the utility model passes through bottom, the haulage gear on top being capable of edge Track moves, and the rack take of lower part and weight vehicle connect with trash rack separate structure and with top haulage gear by cable It connects, to enable rack take and weight vehicle to be moved along track with haulage gear so that the utility model can exist as needed Movement is removed contamination between multiple trash racks, realizes the ability that a set of the utility model corresponds to multiple trash racks, clear to effectively improve Dirty efficiency and reduction buying and use cost；

3, the utility model can lift the machine for turning up the soil and harrowing structure for turning over rake cable, especially fluid pressure type machine for turning up the soil and harrowing structure by setting, It can effectively overcome the problems, such as that cable traction swing type structure in the prior art turns over that rake structure is complicated, torque is small, stability is poor；

4, the utility model be arranged in upper stand can tensioner hoisting cable and/or turn over rake cable tensioner spring, Relaxation and jitter problem of the cable when turning over rake and being stopped by water impact, dirt are can effectively solve the problem that, to effectively avoid cable Easily abjection directive wheel causes cable abrasion aggravation and the increased problem of resistance.

5, the utility model by rack take lower end both sides be arranged harrowing wheel and lower end be arranged rake teeth, by harrowing wheel with Guide rail or grizzly bar roll cooperation, can effectively reduce the frictional resistance between rack take and trash rack, and rake teeth stretches between grizzly bar clearly Dirt, and can effectively remove the solid dirt between grizzly bar；Especially fixed in shape harrow frame two sides " C " of rack take and/or the back side The filter plate of strainer or the multiple through-holes of distribution is set, filtration can be formed to medium and small solid dirt, effect of removing contamination can be improved, Water and micro-impurities can be filtered out again, to effectively reduce the upper liter weight of rack take, realized clear to realize with smaller power driving Dirt, whole energy consumption reduction.

6, reverse wheel of the utility model on the crossbeam in the middle part of harrow frame turns over rake cable and rolls cooperation and one end with reverse wheel It is fixedly connected with the crossbeam of nearly rake teeth so that turn over rake cable and the close of reverse wheel and opposite proximal end is acted on to the lifting force of rack take The crossbeam of rake teeth can effectively reduce the power turned over needed for rake cable opening rack take, thus also can be effective by leverage Power needed for rake, energy saving consumption are turned in reduction.

Therefore, the utility model has the characteristics that simple in structure, stable and reliable in work, scarfing cinder is efficient, energy-saving.

Description of the drawings

Fig. 1 is the utility model principle schematic diagram；

Fig. 2 is the left view of Fig. 1；

Fig. 3 is the trash rack principle schematic diagram of Fig. 1；

Fig. 4 is the right view of Fig. 3；

Fig. 5 is the broken section enlarged drawing of Fig. 4；

In figure：1- trash racks, 2- rack takes, 201- rake teeths, 202- harrow frames, 203- crossbeams, 204- reverse wheels, 205- connections Muscle, 206- hinge holes, 207- filter plates, 208- harrowing wheels, 3- weight vehicles, 301- guide wheels, 302- weight vehicle first, 303- weight vehicle second, 4- haulage gears, 401- racks, 402- main shafts, 403- motors, 404- retarders, 405- tensioner springs, 406- lift elevator wheel, 407- turns over rake elevator wheel, 408- directive wheels, 409- bearing blocks, 5- pedestals, 6- tracks, 7- walking mechanisms, 701- big wheels, 702- Driving mechanism, 8- guide rails, 9- machine for turning up the soil and harrowing structures, 901- hydraulic cylinders, 902- turn over rake limiting device, and 10- turns over rake cable, and 11- lifts cable Rope, 12- backing rolls.

Specific implementation mode

The utility model is further described with reference to the accompanying drawings and examples, but not in any way to this practicality It is novel to limit, based on any changes and modifications made by the utility model introduction, belong to the protection model of the utility model It encloses.

As shown in Fig. 1 to 5, the utility model includes the rack take 2 for being set to 1 influent side of trash rack, is set to rack take 2 Top and weight vehicle 3 hinged therewith are set to 1 top of trash rack and weight vehicle 3 moves up and down and rack take 2 turns over for driving The haulage gear 4 of rake, the pedestal 5 for being fixedly installed on 1 top of trash rack and the track 6 parallel with trash rack 1 are fixedly installed on and lead Draw 4 bottom of mechanism and roll the walking mechanism 7 of cooperation with track 6, the weight vehicle 3 is by setting up the guide wheel 301 of both sides separately and consolidating Surely the grizzly bar of the guide rail 8 or trash rack 1 that are set to 1 both sides of trash rack rolls cooperation；The rack take 2 is buckled at " C " shape structure In on trash rack 1, rake is turned in the top of the rack take 2 and the lower hinge of weight vehicle 3 and middle part or lower part with haulage gear 4 Cable 10 connects, and the one end of the rack take 2 far from weight vehicle 3 is provided with the rake teeth 201 being inserted into trash rack 1；The traction Mechanism 4 includes the main shaft 402 that bottom is fixedly installed the rack 401 of walking mechanism 7, is set to 401 top of rack, the main shaft The output axis connection for the retarder 404 that 402 one end drive with motor 403, the main shaft 402 are wrapped with 11 He of hoisting cable respectively Rake cable 10 is turned over, the other end of the hoisting cable 11 is connect with the top of weight vehicle 3, and 401 middle part of the rack is provided with liter Drop turns over the machine for turning up the soil and harrowing structure 9 of rake cable 10.

The weight vehicle 3 includes weight vehicle first 302 and weight vehicle second 303, the weight vehicle first 302 and weight vehicle second 303 The both sides of articulated connection between each other, the weight vehicle first 302 and/or weight vehicle second 303 are provided with two pairs of guide wheels 301.

The hydraulic pressure machine for turning up the soil and harrowing structure 9 includes the hydraulic cylinder 901 for being fixedly installed on rack 401, is set to 901 top of hydraulic cylinder It is placed in and turns over rake 10 lower part of cable and roll turning over harrowing wheel, being fixedly installed on rack 401 and be placed in and turn over for cooperation with rake cable 10 is turned over Above harrowing wheel turning over rake limiting device 902, it is described turn over rake limiting device 902 contact be located at turn over harrowing wheel move up it is upper Point.

The rack 401 is fixedly installed positioned at hoisting cable 11 and/or turns over the tensioner spring 405 harrowed above cable 10, The lower end of the tensioner spring 405 is provided with the expansion sleeve or expansion tightening wheel for being socketed on hoisting cable 11 and/or turning over rake cable 10.

The distribution of the main shaft 402 is fixedly installed lifting elevator wheel 406, turns over rake elevator wheel 407, the lifting elevator wheel 406 are wrapped with hoisting cable 11, it is described turn over rake elevator wheel 407 and be wrapped with turn over rake cable 10,401 middle part of the rack is also set respectively It is equipped with the directive wheel 408 for compressing hoisting cable 11 and/or turning over rake cable 10.

The walking mechanism 7 includes being set to 401 bottom of rack and rolling the big wheel 701 of cooperation with track 6, drive greatly The driving mechanism 702 that wheel 701 rotates.

The lower end of the rack 401 or 1 side of upper end trash rack of pedestal 5 be fixedly installed bearing hoisting cable 11 and/ Or it turns over rake cable 10 and rolls the backing roll 12 of cooperation therewith.

The rack take 2 includes being set to both sides to be fixedly installed on harrow frame at the harrow frame 202 of " C " shape structure, lateral separation Crossbeam 203 between 202, longitudinally spaced is fixedly installed on phase at the reverse wheel 204 being set on the crossbeam 203 at 202 middle part of harrow frame Dowel 205 between adjacent crossbeam 203, the rake teeth 201 is fixedly installed on the crossbeam 203 of 202 one end of harrow frame, described to turn over rake cable Rope 10 rolls cooperation with reverse wheel 204 and one end is fixedly connected with the crossbeam 203 of nearly rake teeth 201,202 nearly rake teeth of the harrow frame Harrowing wheel 208 is respectively set on the outside of 201 ends, the harrowing wheel 208 is rolled with the grizzly bar of guide rail 8 or trash rack 1 to be coordinated, the harrow frame 202 one end far from rake teeth 201 are provided with the hinge hole 206 hinged with weight vehicle 3.

The guide wheel 301 and/or harrowing wheel 208, which are provided with to match with the grizzly bar side of guide rail 8 or trash rack 1, merges constrained side To mobile inner rim or outer rim.

The two sides of the rack take 2 and/or 202 back side of harrow frame of " C " shape structure are fixedly installed strainer or distribution is more The filter plate 207 of a through-hole.

The filter plate 207 is fixedly installed between 202 back side crossbeam 203 of harrow frame of " C " shape structure and dowel 205 or it The grid inner wall or outer wall of composition.

Utility model works principle and the course of work：

The utility model in the setting of rack take upper end and the guide rail or grizzly bar of trash rack both sides by rolling the counterweight coordinated Vehicle can increase the weight of rack take sinking, to increase the dirt-inserting force of rack take, and be coordinated to clear by the guide wheel of weight vehicle The sinking of dirt rake and uphill process, which are formed, to be oriented to, and effectively avoids rack take from tilting the cleaning of stuck and dirt unclean；In rack take Simultaneously rake teeth is arranged in lower end in the both sides setting harrowing wheel of lower end, is rolled and is coordinated by harrowing wheel and guide rail or grizzly bar, can effectively reduced clear Frictional resistance between dirt rake and trash rack, and rake teeth is removed contamination between stretching into grizzly bar, and can effectively remove the solid dirt between grizzly bar； By the track cooperation in the walking mechanism and pedestal of bottom, the haulage gear on top can be moved along track, and lower part is clear Dirt rake and weight vehicle are connect with trash rack separate structure and with top haulage gear by cable, to make rack take and counterweight Vehicle can be moved with haulage gear along track so that the utility model can be mobile clear between multiple trash racks as needed The ability that a set of the utility model corresponds to multiple trash racks is realized in dirt, to effectively improve remove contamination efficiency and reduce buying and make Use cost.Further, the machine for turning up the soil and harrowing structure for turning over rake cable, especially fluid pressure type machine for turning up the soil and harrowing structure, Neng Gouyou can be lifted by setting Effect overcomes the problems, such as that cable traction swing type structure in the prior art turns over that rake structure is complicated, torque is small, stability is poor.More into one Step, in upper stand setting can tensioner hoisting cable and/or turn over rake cable tensioner spring, can effectively solve the problem that cable exists Relaxation when rake is stopped by water impact, dirt and jitter problem are turned over, cable is caused to effectively avoid cable from easily deviating from directive wheel Rope abrasion aggravation and the increased problem of resistance.Further, the lower end of rack or the upper end trash rack side of pedestal are fixedly installed Cable can be formed by the way that backing roll is arranged by supporting hoisting cable and/or turning over rake cable and roll the backing roll of cooperation therewith Rolling bearing reduces the tractive force of abrasion and the lifting of cable, and the backing roll being especially disposed in rack can be with driving mechanism Mobile, multiple trash racks need not be arranged a backing roll, and effectively reduce the complexity and cost of structure.Further, in harrow frame Reverse wheel on the crossbeam at middle part, turns over rake cable and reverse wheel and rolls and coordinate and one end is fixedly connected with the crossbeam of nearly rake teeth, makes The crossbeam that rake cable acts on the lifting force of rack take the nearly rake teeth of reverse wheel and opposite proximal end must be turned over, by leverage, The power turned over needed for rake cable opening rack take can be effectively reduced, power needed for rake is turned over to also can effectively reduce, saves energy Source consumes.Further, inner rim or outer rim and guide rail or grizzly bar are set in the harrowing wheel of the guide wheel of weight vehicle and/or rack take Side cooperation, can effectively avoid the derailing of trash rack and weight vehicle and stuck problem, the stabilization to improve when work can By performance.Further, in shape harrow frame two sides " C " of rack take and/or back side fixed setting strainer or the multiple through-holes of distribution Filter plate, filtration can be formed to medium and small solid dirt, can improve and remove contamination effect and filter out water and micro-impurities, To effectively reduce the upper liter weight of rack take, realization is removed contamination with smaller power driving to realize, whole energy consumption reduction.To sum up institute It states, the utility model has the characteristics that simple in structure, stable and reliable in work, scarfing cinder is efficient, energy-saving.

As shown in Figures 1 to 4, start the control system of the utility model, control driving mechanism 702 drives 702 turns of big wheel It is dynamic, make haulage gear 4 that rack take 2 and weight vehicle 3 be driven to be moved to along 1 upside pedestal 5 of trash rack upper rail 6 and needs that removes contamination to block 1 top of dirty grid stops；Motor 403 is driven reverse retarder 404 so that the rotation of main shaft 402, passes through the liter being fixed on main shaft 402 It drops elevator wheel 406 and turns over rake elevator wheel 407, synchronization will turn over rake cable 10 and hoisting cable 11 unclamps, and make rack take 2 and weight vehicle 3 fall on rack take 1；Meanwhile control hydraulic cylinder 901 start and jack up thereon turn over rake cable 10, turn over rake cable 10 putting Simultaneously so that rack take 2 lifts（Dotted portion in Fig. 1）；Rack take 2 passes through rake under the action of weight vehicle 3 and its own gravity The guide rail 8 of wheel 208 and guide wheel 301 along 1 both sides of trash rack, which is moved downward to effective operating position, to be stopped.Then control system controls Hydraulic cylinder 901 is fallen, and is turned over rake cable 10 and is dropped to normal condition, rack take 1 falls under own wt effect and makes rake at this time Tooth 201 is inserted between the grizzly bar of trash rack 1, is formed between rack take 2 and trash rack 1 and is surrounded structure；Control system controls motor 403 Main story is turned over rake cable 10 and hoisting cable 11 and is tightened under the drive for lifting elevator wheel 406 and turning over rake elevator wheel 407, lifted Under the drive of cable 11, rack take 2 uplink and removes the solid dirt between the grizzly bar of trash rack 1 under the traction of weight vehicle 3, clearly During dirt 2 uplinks of rake, remove and drive micro-impurities in the solid dirt of uplink and water therein by the hole in filter plate 207 Hole leaks out, and rack take 2 continues to go upward to dump position, and solid dirt therein is poured out from the pouring aperture of lower part.It such as also needs again Then control motor 403 inverts again and hydraulic cylinder 901 jacks up for cleaning.If desired other trash racks 1 are cleared up, then continue to control 403 main story of motor so that stop after rack take 2 and the disengaging trash rack of weight vehicle 3, repeat the above process.

Claims (10)

1. a kind of dam trash rack solid dirt cleaning plant, it is characterised in that including being set to trash rack（1）Influent side it is clear Dirt rake（2）, be set to rack take（2）Top and weight vehicle hinged therewith（3）, be set to trash rack（1）Top and for driving Dynamic weight vehicle（3）Up and down motion and rack take（2）Turn over the haulage gear of rake（4）, be fixedly installed on trash rack（1）The pedestal of top （5）And and trash rack（1）Parallel track（6）, be fixedly installed on haulage gear（4）Bottom and and track（6）Roll cooperation Walking mechanism（7）, the weight vehicle（3）By the guide wheel for setting up both sides separately（301）Be fixedly installed on trash rack（1）It leads both sides Rail（8）Or trash rack（1）Grizzly bar roll cooperation；The rack take（2）It is buckled in trash rack at " C " shape structure（1）On, it is described Rack take（2）Top and weight vehicle（3）Lower hinge and middle part or lower part and haulage gear（4）Turn over rake cable（10）Even It connects, the rack take（2）Far from weight vehicle（3）One end be provided with insertion trash rack（1）Interior rake teeth（201）；The traction Mechanism（4）It is fixedly installed walking mechanism including bottom（7）Rack（401）, be set to rack（401）The main shaft on top （402）, the main shaft（402）One end and motor（403）The retarder of driving（404）Output axis connection, the main shaft（402） It is wrapped with hoisting cable respectively（11）With turn over rake cable（10）, the hoisting cable（11）The other end and weight vehicle（3）It is upper Portion connects, the rack（401）Middle part is provided with lifting and turns over rake cable（10）Machine for turning up the soil and harrowing structure（9）.

2. dam trash rack solid dirt cleaning plant according to claim 1, it is characterised in that the machine for turning up the soil and harrowing structure（9）Packet It includes and is fixedly installed on rack（401）Hydraulic cylinder（901）, be set to hydraulic cylinder（901）Top, which is placed in, turns over rake cable（10）Under Portion and with turn over rake cable（10）Roll turning over harrowing wheel, being fixedly installed on rack for cooperation（401）It is placed in turn over and turns over rake above harrowing wheel Limiting device（902）, described to turn over rake limiting device（902）Contact be located at turn over the upper site that harrowing wheel moves up.

3. dam trash rack solid dirt cleaning plant according to claim 2, it is characterised in that the rack（401）It is fixed It is provided with and is located at hoisting cable（11）And/or turn over rake cable（10）The tensioner spring of top（405）, the tensioner spring（405） Lower end be provided with and be socketed on hoisting cable（11）And/or turn over rake cable（10）Expansion sleeve or expansion tightening wheel.

4. dam trash rack solid dirt cleaning plant according to claim 3, it is characterised in that the main shaft（402）Distribution It is fixedly installed lifting elevator wheel（406）, turn over rake elevator wheel（407）, the lifting elevator wheel（406）It is wrapped with hoisting cable （11）, described to turn over rake elevator wheel（407）It is wrapped with and turns over rake cable（10）, the rack（401）Middle part is also respectively provided with compression Hoisting cable（11）And/or turn over rake cable（10）Directive wheel（408）.

5. dam trash rack solid dirt cleaning plant according to claim 2, it is characterised in that the walking mechanism（7）Packet It includes and is set to rack（401）Bottom and and track（6）Roll the big wheel of cooperation（701）, driving big wheel（701）The drive of rotation Motivation structure（702）.

6. according to dam trash rack solid dirt cleaning plant described in claim 1 to 5 any one, it is characterised in that the machine Frame（401）Lower end or pedestal（5）Upper end trash rack（1）Side is fixedly installed bearing hoisting cable（11）And/or turn over rake Cable（10）And the backing roll of cooperation is rolled therewith（12）.

7. dam trash rack solid dirt cleaning plant according to claim 6, it is characterised in that the rack take（2）Including It is set to harrow frame of the both sides at " C " shape structure（202）, lateral separation be fixedly installed on harrow frame（202）Between crossbeam（203）、 It is set to harrow frame（202）The crossbeam at middle part（203）On reverse wheel（204）, longitudinally spaced be fixedly installed on adjacent beams（203） Between dowel（205）, the rake teeth（201）It is fixedly installed on harrow frame（202）The crossbeam of one end（203）On, it is described to turn over rake cable Rope（10）With reverse wheel（204）Rolling cooperation and one end and nearly rake teeth（201）Crossbeam（203）It is fixedly connected, the harrow frame （202）Nearly rake teeth（201）Harrowing wheel is respectively set on the outside of end（208）, the harrowing wheel（208）With guide rail（8）Or trash rack（1）'s Grizzly bar rolls cooperation, the harrow frame（202）Far from rake teeth（201）One end be provided with and weight vehicle（3）Hinged hinge hole （206）.

8. dam trash rack solid dirt cleaning plant according to claim 7, it is characterised in that the guide wheel（301）With/ Or harrowing wheel（208）It is provided with and guide rail（8）Or trash rack（1）Grizzly bar side match merge limit lateral movement inner rim or Outer rim.

9. dam trash rack solid dirt cleaning plant according to claim 7, it is characterised in that the rack take（2）Two The harrow frame of side and/or " C " shape structure（202）The back side is fixedly installed the filter plate of strainer or the multiple through-holes of distribution（207）.

10. dam trash rack solid dirt cleaning plant according to claim 9, it is characterised in that the filter plate（207）Gu Surely it is set to the harrow frame of " C " shape structure（202）Back side crossbeam（203）With dowel（205）Between or its constitute grid inner wall Or outer wall.