CN215518651U - Hydraulic reciprocating type trash cleaning and dredging machine - Google Patents
Hydraulic reciprocating type trash cleaning and dredging machine Download PDFInfo
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- CN215518651U CN215518651U CN202121205076.XU CN202121205076U CN215518651U CN 215518651 U CN215518651 U CN 215518651U CN 202121205076 U CN202121205076 U CN 202121205076U CN 215518651 U CN215518651 U CN 215518651U
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Abstract
The utility model discloses a hydraulic reciprocating type trash cleaning and dredging machine, which relates to the technical field of trash cleaning of a hydropower station trash rack, is arranged on the upstream surface of a forebay trash rack and comprises two hydraulic operating cylinders and two connecting rods; guide rails are respectively arranged on two sides of the sewage barrier; the two connecting rods are oppositely arranged on two sides of the sewage barrier, and a plurality of transverse shafts are arranged between the two connecting rods at intervals; each cross shaft is provided with a plurality of rake teeth, and two ends of each cross shaft are respectively provided with a riding wheel matched with the guide rail; the hydraulic operation cylinder is connected with the corresponding connecting rod and used for driving the transverse shaft to reciprocate, the rake teeth shear and disturb garbage on the upstream surface of the grille, and sundries are taken away by means of high-speed flowing water among the grille strips, so that automatic control is realized, and the workload of manually cleaning and transporting the garbage is reduced.
Description
Technical Field
The utility model relates to the technical field of trash removal of a trash rack of a hydropower station, in particular to a hydraulic reciprocating type trash removal dredger.
Background
At present, the domestic and foreign trash cleaning machine has the following forms: a rotary trash remover, a slag raking type trash remover and a grab bucket type trash remover, for example, an electric control hydraulic trash remover (patent application number: 202020363821.2) discloses a rotary trash remover. These several types of trash cleaners have the following common disadvantages:
1) the structure is complex, the failure probability is high, the maintenance workload is high, and the operation management difficulty is high;
2) the installation site is required to be wider, and the arrangement of a narrow front pool in the hole is difficult;
3) the garbage on the bank is difficult to clear and treat.
With the tightening of current ecological environmental protection policies, trash removal and garbage disposal must be considered simultaneously.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a hydraulic reciprocating type trash-cleaning dredging machine, which solves the problems that a trash cleaning machine for a front pool barrier in a tunnel is difficult to arrange, and garbage on the shore is inconvenient to treat.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a hydraulic reciprocating type cleaning and dredging machine is suitable for a power station dam which is provided with a thick barrier, dirt reaching a forebay is generally small in volume through a long channel or tunnel, and due to the fact that the forebay is provided with a half-hill waist, traffic is inconvenient, slag is difficult to clean, and waste disposal is more difficult; guide rails are respectively arranged on two sides of the dirt fence; the two connecting rods are oppositely arranged on two sides of the sewage barrier, and a plurality of transverse shafts are arranged between the two connecting rods at intervals; each cross shaft is provided with a plurality of rake teeth, and two ends of each cross shaft are respectively provided with a riding wheel matched with the guide rail; the hydraulic operation cylinder is connected with the corresponding connecting rod and used for driving the transverse shaft to reciprocate.
The further improvement lies in that: the rake teeth are provided with shearing parts for shearing and disturbing sundries adsorbed on the trash rack.
The further improvement lies in that: and water level probes are arranged on the upstream surface and the downstream surface of the sewage fence.
The further improvement lies in that: the hydraulic control system also comprises a central control chamber, and the central control chamber is connected with the water level probe and the hydraulic operation cylinder through optical fibers.
The further improvement lies in that: the pitch of the rake teeth is the same as that of the trash rack bars.
The further improvement lies in that: the length of the rake teeth is 120mm, the rake teeth are guaranteed to be inserted into the space between the grid bars by 20-30 mm, and the distance between the rake teeth is 30 mm.
The further improvement lies in that: the number of the transverse shafts is three, and the distance between every two adjacent transverse shafts is 1 m.
The further improvement lies in that: the maximum stroke of the hydraulic operating cylinder is 1.1 m.
The further improvement lies in that: the guide rail is made of 8# channel steel, and the connecting rod is made of DN32 seamless steel tube. The transverse shaft (3) is made of DN64 seamless steel tube, and the rake teeth are made of 40-6 flat steel by welding.
The utility model has the beneficial effects that:
1. according to the utility model, the hydraulic reciprocating type trash cleaning and dredging machine is additionally arranged on the upstream surface of the original barrier trash rack in the front pool in the hole, the water level probes are additionally arranged on two sides of the barrier trash rack, the control system of the trash cleaning machine and the water level signals are transmitted to the central control room through the optical fibers, the remote automatic control of the trash cleaning machine is realized, the problems of difficult arrangement, inconvenient traffic, high garbage cleaning and processing cost and the like of an on-site common trash cleaning machine are solved, the barrier trash rack can be cleaned in time after the project is implemented, the water yield is fully utilized, the benefit maximization of a power station is ensured, the potential safety hazard of manual trash cleaning is fundamentally eliminated, and the labor intensity and the labor cost of manual trash cleaning are greatly reduced.
2. The utility model has small volume, is not limited by the field, has few parts and compact structure and is convenient for field arrangement.
3. The utility model adopts hydraulic transmission, the toothed harrow reciprocates up and down, the action is simple, the remote automatic control is convenient to realize, and the operation is reliable. In addition, hydraulic transmission, reciprocating motion, single action, small action amplitude, reliable operation and basically no maintenance workload after operation.
4. The rake teeth of the utility model shear and disturb sundries adsorbed on the trash rack and then wash away the sundries along with water flow, thereby reducing the work of garbage cleaning and treatment.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic reciprocating type trash remover according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the hydraulic reciprocating type trash remover according to the embodiment of the present invention;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic structural diagram of a grille of an embodiment of the present invention;
fig. 5 is a side view of fig. 4.
Reference numerals:
1-a hydraulically operated cylinder; 2-a connecting rod; 3-horizontal axis; 4-rake teeth; 5-riding wheels; 6-a guide rail; 7-grille.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
The technical scheme and the beneficial effects of the utility model are clearer and clearer by further describing the specific embodiment of the utility model with the accompanying drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.
Referring to fig. 1 to 5, an embodiment of the present invention provides a hydraulic reciprocating type trash remover, which is arranged on the upstream surface of a trash rack 7 and comprises two hydraulic operating cylinders 1 and two connecting rods 2; specifically, the maximum stroke of the hydraulically operated cylinder 1 is 1.1 m. Two sides of the sewage barrier 7 are respectively provided with a guide rail 6; two connecting rods 2 set up the both sides at the barrier 7 relatively, and the interval is provided with a plurality of cross axles 3 between two connecting rods 2, specifically, guide rail 6 is made by 8# channel-section steel, and connecting rod 2 is made by DN32 seamless steel pipe. In this embodiment, three transverse shafts 3 are provided, and the distance between every two adjacent transverse shafts 3 is 1 m. Each cross shaft 3 is provided with a plurality of rake teeth 4, and two ends of each cross shaft 3 are respectively provided with a riding wheel 5 matched with a guide rail 6; the hydraulically operated cylinders 1 are connected to corresponding connecting rods 2 for driving the transverse shaft 3 in a reciprocating motion. The transverse shaft 3 is made of DN64 seamless steel pipe, and the rake teeth 4 are made of 40-6 flat steel by welding. The length of the rake teeth 4 is about 120mm, the rake teeth are guaranteed to be inserted into the grid bars by 20-30 mm, and the distance between the rake teeth is the same as that between the dirt fence grid bars. Preferably, the rake teeth 4 are provided with a shearing part for shearing and disturbing the sundries adsorbed on the grille 7.
Specifically, the upstream surface and the downstream surface of the sewage barrier 7 are provided with water level probes to realize automatic sewage disposal. The hydraulic reciprocating type trash cleaning and dredging machine realizes remote trash cleaning through the optical fiber connected with the central control room and the hydraulic operating mechanism.
The hydraulic reciprocating type trash cleaning and dredging machine tooth harrow cuts and disturbs sundries adsorbed on a trash rack by the up-and-down movement of the harrow teeth through hydraulic transmission, takes away the sundries by means of high-speed flowing water flow among grid bars, realizes automatic and remote control, and reduces the workload of manual cleaning and transportation and garbage treatment.
The practical application cases of the utility model are as follows:
the Yunlong river power station is located in the Temple village of the Min city of Enshi, is 100 kilometers away from the urban area of the Enshi city, is a first-level power station for cascade development of the Yunlong river basin, and is mainly composed of a barrage, a diversion tunnel, a power station factory building and the like. The installed capacity of the power station is 9600kW (3X 3200 kW); a horizontal shaft mixed flow type water turbine generator set is adopted, and a power station is put into production for power generation in 2001 and 9 months. The power station water diversion system consists of a dam water intake, a trash rack (with a trash remover), a water intake gate, a 4.2km non-pressure water diversion tunnel, an in-hole forebay and a pressure steel pipe, wherein the distance between the bars of the dam trash rack is 30mm, and the rotary trash remover is installed. The forebay is provided with a trash rack with the height of 3.3m, the width of 2.7m and the distance between grid bars of 30mm, the trash rack is arranged under water for 2.5m and is more than 6m away from the ground of the workbench, manual slag removal is very difficult, and the potential safety hazard is large.
Problems existing at present
1) In recent years, the population of living people in an upstream gulf river of a dam is increased sharply, along with the increase of white garbage such as domestic garbage, agricultural films and the like, although a trash rack and a trash cleaning machine are installed on the dam, a large number of small pieces of domestic garbage, white garbage and leaves pass through the trash rack along with water flow, the garbage parts can be paved on the upstream surface of the trash rack of a front pool, and the output of a unit can be limited if the garbage is accumulated for a long time;
2) the distance between the forebay and the comprehensive building is about 1km, no road is required, only one interstation path is connected, the slope is steep, the weeds are clustered, the walking is extremely difficult, even if the people go up and go down by hands, the people often have profuse sweat, the upper air is not in contact with the lower air, and no more, the people carry tools and equipment;
3) the forebay trash rack is arranged 2.5m under water and is more than 6m away from the ground of a workbench, the operating rod of a manual slag removal rake is too long, slag removal is very difficult, the forebay trash rack has to be shut down in a flood period, a stair is erected after forebay water is drained, workers descend to the grid along the ladder, slag is removed by hands, garbage is put into a snake skin pocket, and the workers on the forebay trash rack pull the pocket to the workbench by ropes, so that slag removal is time-consuming and labor-consuming, potential safety hazards are obvious, and power generation is delayed;
4) the garbage cleaned on the working platform is manually transported to the outside of the hole, the transport distance is 50m, and the transported garbage is inconvenient to process;
5) the electric quantity is delayed due to garbage blockage every year: the load is reduced by 1000kw when the garbage is blocked every time and the water supply is too large to stop and clean the sewage, the time is one week, and the electric quantity is lost by 16.8 ten thousand kw.h; the power generation is delayed for 6 hours once the water is cut off and the dirt is cleaned, and the electric quantity loss is 5.7 ten thousand kw.h; the total loss of electricity is 22.56 ten thousand kw.h each time, the soil is cleaned 6 times every year, and the total loss of electricity is 135 ten thousand kw.h.
Item embodiment:
1) a cleaning dredging machine which reciprocates up and down is additionally arranged on the upstream surface of the original barrier of the front pool in the tunnel;
2) water level probes are additionally arranged on the upstream surface and the downstream surface of the sewage barrier to realize automatic control of the sewage disposal and dredging machine;
3) and transmitting the front pool water level signal and a control system of the trash remover to a central control room through optical fibers to carry out remote control.
The hydraulic reciprocating type trash cleaning dredging machine tooth harrow is in hydraulic transmission, the harrow teeth move up and down to shear and disturb sundries adsorbed on the trash rack, the sundries are taken away by means of water flow flowing between the grid bars at a high speed, automatic control is achieved, and the workload of manual garbage cleaning and transportation is reduced.
Thirdly, economic benefits:
the load is reduced by 1000kw due to the fact that water supply is too large and water supply cannot be stopped for cleaning every time when garbage is blocked, the time is one week, the electric quantity loss is 16.8 ten thousand kw.h, the power generation is delayed for 6h when water supply is stopped and cleaning is carried out once, the electric quantity loss is 5.7 ten thousand kw.h, the total electric quantity loss is 22.5 ten thousand kw.h every time, cleaning is carried out 6 times every year, the total electric quantity loss is 135 ten thousand kw.h, and the electric quantity income is reduced by nearly 50 ten thousand yuan; 30 workers for cleaning are saved in the water-abundance period every year, and the labor cost is saved by 9000 yuan. Namely, the project can increase 50 ten thousand yuan per year after being implemented and save 0.9 ten thousand yuan of production cost at the same time.
Fourthly, social benefits:
1) the working environment is improved, the labor intensity is reduced, and the potential safety hazard during manual dirt cleaning is eliminated.
2) The generation of garbage is reduced, thereby avoiding the environmental pollution caused by the garbage.
In the description of the specification, reference to the description of "one embodiment", "preferably", "an example", "a specific example" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and modifications and substitutions based on the known technology in the field are within the scope of the present invention, which should be limited by the claims.
Claims (10)
1. The utility model provides a reciprocating type dredge of decontaminating of hydraulic pressure, sets up the upstream face at barrier dirt fence (7), its characterized in that: comprises two hydraulic operating cylinders (1) and two connecting rods (2); guide rails (6) are respectively arranged on two sides of the dirt fence (7); the two connecting rods (2) are oppositely arranged on two sides of the sewage barrier (7), and a plurality of transverse shafts (3) are arranged between the two connecting rods (2) at intervals; each cross shaft (3) is provided with a plurality of rake teeth (4), and two ends of each cross shaft (3) are respectively provided with a riding wheel (5) matched with the guide rail (6); the hydraulic operation cylinder (1) is connected with the corresponding connecting rod (2) and is used for driving the transverse shaft (3) to reciprocate.
2. The hydraulic reciprocating cleaner according to claim 1, wherein: the rake teeth (4) are provided with shearing parts for shearing and disturbing sundries adsorbed on the trash rack (7).
3. The hydraulic reciprocating cleaner according to claim 1, wherein: and water level probes are arranged on the upstream surface and the downstream surface of the sewage fence (7).
4. The hydraulic reciprocating cleaner according to claim 3, wherein: the hydraulic control system also comprises a central control chamber, and the central control chamber is connected with the water level probe and the hydraulic operation cylinder (1) through optical fibers.
5. The hydraulic reciprocating cleaner according to claim 1, wherein: the distance between the rake teeth (4) is the same as that between the grate bars of the sewage fence (7).
6. The hydraulic reciprocating cleaner according to claim 1, wherein: the length of the rake teeth (4) is 120mm, the rake teeth are guaranteed to be inserted into the grid bars by 20-30 mm, and the distance between the rake teeth (4) is 30 mm.
7. The hydraulic reciprocating cleaner according to claim 1, wherein: the number of the transverse shafts (3) is three, and the distance between every two adjacent transverse shafts (3) is 1 m.
8. The hydraulic reciprocating cleaner according to claim 1, wherein: the maximum stroke of the hydraulic operating cylinder (1) is 1.1 m.
9. The hydraulic reciprocating cleaner according to claim 1, wherein: the guide rail (6) is made of 8# channel steel, and the connecting rod (2) is made of DN32 seamless steel tubes.
10. The hydraulic reciprocating cleaner according to claim 1, wherein: the transverse shaft (3) is made of DN64 seamless steel tubes, and the rake teeth (4) are made of 40-6 flat steel by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121205076.XU CN215518651U (en) | 2021-06-01 | 2021-06-01 | Hydraulic reciprocating type trash cleaning and dredging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121205076.XU CN215518651U (en) | 2021-06-01 | 2021-06-01 | Hydraulic reciprocating type trash cleaning and dredging machine |
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| Publication Number | Publication Date |
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| CN215518651U true CN215518651U (en) | 2022-01-14 |
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| CN202121205076.XU Active CN215518651U (en) | 2021-06-01 | 2021-06-01 | Hydraulic reciprocating type trash cleaning and dredging machine |
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