CN211816058U

CN211816058U - Trash rack with non-pressure water inlet and capable of automatically collecting garbage

Info

Publication number: CN211816058U
Application number: CN202020226994.XU
Authority: CN
Inventors: 郭锦华
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-30
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a but trash rack of non-pressure water inlet automatic collection rubbish will only silt up originally through conveyer and carry out the water conservancy diversion collection and handle at the rubbish before the trash rack. And carry out preliminary classification to rubbish according to the volume size to distinguish the large-scale rubbish in aquatic: floating wood, foam, etc., small garbage: leaves, grass roots, etc. And because of the water pressure is pressed the rubbish in the groove, can rotate to little volume rubbish collection room through the runner, clear up through the brush to upwards collect in little volume rubbish collection room. The whole collecting process is completed, compared with the original manual cleaning, the cleaning efficiency is further improved, the blocking condition of the trash rack can be prevented and treated in time, and the safety degree of the trash rack is improved. In addition, the freezing of the surface of the trash rack can be prevented through the hot water conveying device in severe cold areas.

Description

Trash rack with non-pressure water inlet and capable of automatically collecting garbage

Technical Field

The utility model relates to a hydraulic and hydroelectric engineering field research especially relates to the research of the dirt facility that blocks of non-pressure water inlet among the hydraulic and hydroelectric engineering diversion system and improves.

Background

The water inlet of the hydropower station is a drinking water building which is positioned at the head of a water delivery system and mainly uses drinking water for power generation, and the water inlet needs to meet certain water quality requirements and can intercept harmful silt, ice blocks and various pollutants. Therefore, a trash blocking device is required to be arranged at the water inlet. The non-pressure water inlet is easy to pollute various dirt in the water flow of the upstream riverway, so that the problem of pollution prevention is particularly outstanding.

In actual engineering, the trash rack is generally all established or the row floats in order to intercept the floater to the non-pressure water inlet, and the trash rack easily takes place the problem that rubbish blockked up in the use, and rubbish blocks up and also easily causes very big head loss and increases when crossing grid flow rate, and the filth is pressed tightly on the bars by water pressure, and the difficulty of decontaminating is handled improper easily and is caused the accident of shutting down or crushing the trash rack, still need prevent in addition in severe cold district that the trash rack face from freezing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the trash rack is blocked by the garbage, providing a trash rack with a non-pressure water inlet and capable of automatically collecting the garbage, and easily accumulating the garbage at the trash rack for diversion and collection.

The technical scheme of the utility model as follows:

a trash rack with a non-pressure water inlet and capable of automatically collecting garbage comprises a trash rack main body, a large-volume garbage collecting device and a small-volume garbage collecting device;

the trash rack main body comprises two vertically arranged and mutually parallel rotating shafts, wherein the upper end and the lower end of one rotating shaft are respectively connected with a small-diameter gear, the upper end and the lower end of the other rotating shaft are respectively connected with a large-diameter gear, chains are connected to the small-diameter gear and the large-diameter gear which are positioned at the upper end of the rotating shaft, chains are connected to the small-diameter gear and the large-diameter gear which are positioned at the lower end of the rotating shaft, long pins are connected to each chain at intervals, V-shaped grid pieces are connected to the long pins between the two chains, and each grid piece is parallel to the axes of the two rotating shafts;

the large-volume garbage collection device and the small-volume garbage collection device are both arranged beside the rotating shaft where the large-diameter gear is located, and the small-volume garbage collection device is arranged behind the large-volume garbage collection device; one side of the large-volume garbage collection device close to the rotating shaft is provided with a one-way door, the bottom of the large-volume garbage collection device is provided with a large-aperture steel frame net, and the large-aperture steel frame net is connected with a winch arranged on the bank.

Preferably, when preventing the cold day, the trash rack is frozen, still includes hot water conveyor, hot water conveyor establishes beside the pivot that minor diameter gear is located, includes hot water accumulator and hose, and the hose is fixed on chain and grid piece, and the hose communicates with hot water accumulator.

Preferably, the V-shaped intersection of the grid is a hollow steel cylinder, and two ends of the steel cylinder are sleeved on the long pins, so that the grid is fixed between the chains.

Preferably, the small volume waste collection device comprises a vertical conveyor and a collection chamber on a top platform; the vertical conveying belt is provided with hairbrushes at equal intervals, and the front ends of the hairbrushes are contacted with the grid pieces; the vertical conveyor belt is driven by a motor.

Small-volume rubbish flows into the small-volume rubbish collecting device behind the small-volume rubbish along water flow, or is pressed in the V-shaped groove of the grid piece, when entering the small-volume rubbish collecting chamber device, the equidistant brush on the vertical conveying belt continuously sweeps the V-shaped groove of the grid piece, and small-volume rubbish on the trash rack and in the water body can be cleaned and conveyed to the collecting chamber at the top end to be collected through upward transmission of the conveying belt.

Preferably, a plurality of pressure sensors are arranged on the rear side of the one-way door at intervals along the height direction, and all the pressure sensors are electrically connected and connected with a winch control system.

After the pressure sensors with different heights behind the one-way door respectively sense, the electric signals are transmitted to a winch control system, and when the sensors with all heights sense, the system sends out instructions, so that the steel frame net arranged at the bottom of the collecting device is pulled up by the winch.

The utility model discloses a theory of operation: the utility model discloses in the use, the wood of floating in the rivers, the leaf, the grass root, rubbish etc. are intercepted by the trash rack, because the trash rack is fixed by four chains, consequently, great rigidity has, rubbish is conveyed bulky garbage collection room by the transmission shaft, bulky rubbish is stored wherein, can spread the instruction through pressure sensor after collecting the certain degree, the steelframe net with the device bottom is transferred out, carry out garbage collection and clear up little volume rubbish and advance into little volume garbage collection room along with the rivers, partly rubbish of being pressed in trash rack grid slice groove can be carried by the grid slice and get into little volume garbage collection indoor in addition, the perpendicular conveyer belt in the collection room is salvaged small-size rubbish, fix in addition that the brush on the conveyer belt can clear up the rubbish of being pressed on the trash rack, all by the garbage collection room on conveyer belt top. Therefore, the garbage in the water is preliminarily classified, and the recycling of the later partial garbage is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a conveyer will originally can only silt up rubbish before the trash rack and carry out the water conservancy diversion and collect the processing. And carry out preliminary classification to rubbish according to the volume size to distinguish the large-scale rubbish of aquatic, and because water pressure is pressed the rubbish in the groove, can rotate to little volume garbage collection room along with the chain in, clear up through the brush, and upwards collect in little volume garbage collection room. The whole collecting process is completed, compared with the original manual cleaning, the cleaning efficiency is further improved, the blocking condition of the trash rack can be prevented and treated in time, and the safety degree of the trash rack is improved.

Drawings

Fig. 1 is a unitary structure.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 is a detailed view of a steel frame net.

Fig. 5 is a detail view of the brush.

Fig. 6 is a detailed view of the grid.

Fig. 7 is a schematic view of a long pin arrangement.

In the figure: 1-trash rack main part, 2-bulky rubbish collection device, 3-little bulky rubbish collection device, 4-hot water conveying device, 5-bars piece, 7-pivot, 8-minor diameter gear, 9-major diameter gear, 10-chain, 11-long round pin, 12-single-opening door, 13-pressure sensor, 14-steel framed net, 15-vertical conveyer belt, 16-collection room, 17-brush, 18-hot water storage room, 19-hose, 20-steel cylinder, 21-short branch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-7, a trash rack capable of automatically collecting garbage without a pressure water inlet comprises a trash rack main body 1, a large-volume garbage collection device 2, a small-volume garbage collection device 3 and a hot water delivery device 4;

the trash rack main body comprises two vertically arranged and mutually parallel rotating shafts 7, wherein the upper end and the lower end of one rotating shaft are respectively connected with a small-diameter gear 8, the upper end and the lower end of the other rotating shaft are respectively connected with a large-diameter gear 9, chains are connected to the small-diameter gear and the large-diameter gear which are positioned at the upper end of the rotating shaft, chains are connected to the small-diameter gear and the large-diameter gear which are positioned at the lower end of the rotating shaft, long pins 11 are connected to each chain at intervals, as shown in figure 7, V-shaped grid pieces 5 are connected to the long pins between the two chains, as shown in figures 2, 3 and 7, and each grid piece is parallel to the axes of the two;

every pivot all links to each other with a motor, and the motor can drive minor diameter gear and major diameter gear through the pivot and rotate, and then drives chain and bars piece and rotate round the pivot, and the rubbish on the bars piece is being removed by chain drive.

The large-volume garbage collection device 2 and the small-volume garbage collection device 3 are both arranged beside the rotating shaft where the large-diameter gear is located, and the small-volume garbage collection device 3 is arranged behind the large-volume garbage collection device 2; one side of the large-volume garbage collection device, which is close to the rotating shaft, is provided with a one-way door 12, a pressure sensor 13 is arranged on the one-way door, the bottom of the large-volume garbage collection device is provided with a large-aperture steel frame net 14, and the large-aperture steel frame net is connected with a winch arranged on the bank side;

the one-way door 12 only allows downstream objects to enter; be equipped with pressure sensor 13 behind the door, pressure sensor 13 of one-way door 12 rear side central authorities direction of height every 0.5m installation, all pressure sensors 13 are the electricity and connect hoist engine control system, the pressure sensor response threshold value of every height is different, after bulky rubbish is collected to a certain extent, behind one-way door 12 different height pressure sensor 13 respectively responds to the back, with signal of telecommunication transmission to hoist engine control system, this system sends out the instruction after all high sensors all send the response, make the steel frame net 14 that sets up in collection device 2 bottom pull up by the hoist engine.

As shown in FIG. 4, a large-aperture steel frame net 14 is arranged at the bottom, the aperture of the steel frame net 14 is 0.1m, and the steel frame net can be lifted to the water surface by a winch for cleaning.

The small volume waste collection device comprises a vertical conveyor 15 and a collection chamber 16 on a top platform; the vertical conveying belt is provided with brushes 17 at equal intervals, and the front ends of the brushes 17 are contacted with the grid pieces 5; the vertical conveyor 15 is driven by a motor.

The upper front end of the brush carries away small-volume garbage on the grid plate and conveys the garbage to a small-volume garbage collection chamber at the top along with a vertical conveying belt.

The hot water conveying device 4 is arranged beside a rotating shaft where the small-diameter gear is located and comprises a hot water storage device 18 and a hose 19, the hose 19 is fixed on the chain and the grid pieces, the hose is communicated with the hot water storage device 18, hot water in the hose can heat the grid strips 5, and accidents caused by freezing of the grid surfaces in severe cold are prevented.

The trash rack stops rotating in winter, hot water is stored in the hot water storage chamber, the water delivery hoses output the hot water from the hot water storage chamber, the hoses can be further provided with a plurality of branch hoses, the distance between the branch hoses is exactly the same as that between trash rack bars, the branch hoses are all fixed in V-shaped grooves on the bars, and the hot water flows downwards through the branch hoses and the grooves, so that the bars are prevented from freezing. The transmission process of the hot water is not influenced in the transmission process of the trash rack.

In this embodiment, two rotating shafts may be mounted on one mounting frame through bearings.

As shown in fig. 6 and 7, in this embodiment, the grid plates 5 are V-shaped, the grid plates are made of steel, the distance between two adjacent grid plates is 0.2m, the pitch of the chain 10 is 0.05m, each interval is 0.2m, the diameter of the long pin is 0.014m, the steel cylinder at the V-shaped intersection of the grid plates is hollow, the inner diameter is 0.013m, and two ends of the steel cylinder are sleeved on the long pin, so that the grid plates 5 are fixed between the chains 10.

In this embodiment, the rotation rate of the trash rack body 1 may be manually adjusted.

Referring to fig. 5, in this embodiment, the vertical distance between the brushes 17 on the vertical conveyor belt is 0.2m, the brushes 17 are horizontally densely distributed on the vertical conveyor belt 15, and the conveying speed of the conveyor belt 15 is adjusted and adjusted according to the rotation speed of the trash rack main body conveyor.

As shown in fig. 2, the garbage flows to the front of the grid plate along the water flow, and is blocked by the grid plate and can not directly flow to the downstream, the motor drives two rotating shafts to drive two gears and chain transmission, under the pushing of the water flow and the trash rack, the garbage is squeezed into the large-volume collecting device, after the large-volume garbage is collected to a certain degree, after the large-volume garbage is respectively sensed by the pressure sensors 13 at different heights behind the one-way door 12, the electric signals are transmitted to the winch control system, after all the sensors at all the heights send out sensing, the system sends out an instruction, so that the steel frame net 14 arranged at the bottom of the collecting device 2 is pulled up by the winch, the meshes of the steel frame net 14 are large and can bear large pressure, the large-volume garbage in the water flow subjected to preliminary screening is arranged in the lifted steel frame net 14, the steel frame net 14 can be cleaned and. The small-volume garbage flows into the small-volume garbage collecting device 3 behind the small-volume garbage collecting device along water flow or is pressed in the V-shaped groove of the grid plate, when entering the small-volume garbage collecting chamber device, the equidistant brushes 17 on the vertical conveying belt continuously sweep the V-shaped groove of the grid plate 5, and the small-volume garbage on the trash rack and in the water body can be cleaned and conveyed to the collecting chamber 16 at the top end for collection through the upward transmission of the conveying belt. Therefore, the garbage which is originally blocked at the trash rack can be cleaned and primarily recovered, and a certain environment-friendly effect is achieved.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a trash rack that non-pressure water inlet can automatic collection rubbish which characterized in that: the trash rack comprises a trash rack main body, a large-volume garbage collection device and a small-volume garbage collection device;

2. The trash rack capable of automatically collecting garbage without a pressure water inlet according to claim 1, wherein: the hot water conveying device is arranged beside the rotating shaft where the small-diameter gear is located and comprises a hot water storage device and a hose, the hose is fixed on the chain and the grid pieces, and the hose is communicated with the hot water storage device.

3. The trash rack capable of automatically collecting garbage without a pressure water inlet according to claim 1, wherein: the V-shaped intersection of the grid plates is a hollow steel cylinder, and two ends of the steel cylinder are sleeved on the long pins, so that the grid plates are fixed between the chains.

4. The trash rack capable of automatically collecting garbage without a pressure water inlet according to claim 1, wherein: the small volume waste collection device comprises a vertical conveyor belt and a collection chamber located on a top platform; the vertical conveying belt is provided with hairbrushes at equal intervals, and the front ends of the hairbrushes are contacted with the grid pieces; the vertical conveyor belt is driven by a motor.

5. The trash rack capable of automatically collecting garbage without a pressure water inlet according to claim 1, wherein: the rear side of the one-way door is provided with a plurality of pressure sensors at intervals along the height direction, and all the pressure sensors are electrically connected and connected with a winch control system.