CN216428188U

CN216428188U - Trash device

Info

Publication number: CN216428188U
Application number: CN202122908547.XU
Authority: CN
Inventors: 刘钊
Original assignee: Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development Co ltd
Current assignee: Zhensha Hydropower Construction Management Branch Of Guoneng Dadu River Basin Hydropower Development Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-03
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a trash holding device, which comprises a trash holding box, a trash rack and a lifting device, wherein a trash rack groove adapted to the trash rack and a cleaning plate which can be rotatably arranged on the side wall of the trash rack groove are arranged in the trash holding box, the cleaning plate is positioned at the upstream of the trash rack and is partially positioned above the trash rack; the lifting device is positioned above the grid passing groove and is detachably connected with the trash rack; when the lifting device lifts the trash rack, the trash rack rises and abuts against the cleaning plate, and the cleaning plate scrapes dirt attached to the trash rack. This trash device mutually supports through cleaning plate and lifting by crane the ware, clears up the trash rack at trash rack lift in-process, has easy operation's advantage, and clears up with low costs repeatedly, and is clean effectual, helps resuming the water capacity of trash rack.

Description

Trash device

Technical Field

The utility model belongs to the technical field of the trash rack, concretely relates to trash device.

Background

The trash rack is a frame-grid structure which is arranged in front of the water inlet and is used for blocking sundries (generally called as dirt) such as aquatic weeds, floating trees and the like carried by water flow.

The trash rack is composed of a frame, a diaphragm and grid bars, which are supported on the concrete pier wall and are generally made of steel. The distance between the grid bars depends on the size and the amount of the dirt and the operating requirements. The distance between the grid bars used in the hydropower station depends on the type and the size of the water turbine so as to ensure that dirt passing through the trash rack is not blocked in the water turbine flow passage component. The drainage tunnel and the drainage hole are not provided with a trash rack generally, for example, the hole diameter or the aperture is not large, and when more sunk wood needs to be arranged, the distance between the grid bars is increased.

Obviously, after the trash rack is used for a long time, dirt is wound on the grid bars gradually, especially aquatic plants in the dirt, the water passing capacity of the trash rack is reduced gradually, pressure difference is formed between the front and the back of the trash rack gradually, and the trash rack is deformed and even damaged by the pressure difference.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a trash device has solved the winding problem of current trash rack long-term back filth of using.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a trash rack device comprises a trash rack box, a trash rack and a lifting device, wherein a trash rack groove adaptive to the trash rack and a cleaning plate rotatably arranged on the side wall of the trash rack groove are arranged in the trash rack box; the lifting device is positioned above the grid passing groove and is detachably connected with the trash rack;

when the lifting device lifts the trash rack, the trash rack rises and abuts against the cleaning plate, and the cleaning plate scrapes dirt attached to the trash rack.

In one possible design, at least one grid passing groove is formed in the trash box, correspondingly, at least one trash rack is arranged, and the trash racks and the grid passing grooves are arranged in a one-to-one correspondence mode.

In one possible design, a cover plate is arranged above the grid passing groove, and the cleaning plate is positioned below the cover plate; and at least one cleaning plate is arranged in the grid passing groove from top to bottom.

In one possible design, the cleaning plate comprises a rotating shaft, a lower cleaning plate and an upper cleaning plate, wherein the rotating shaft is rotatably arranged on the grid passing groove through a torsion spring, and the lower cleaning plate and the upper cleaning plate are sequentially fixed on one side of the rotating shaft, which faces the trash rack, from bottom to top;

when the trash rack rises, the trash rack abuts against the lower cleaning plate, and the rotating shaft is enabled to rotate upwards; when the trash rack descends, the trash rack abuts against the upper cleaning plate, and the rotating shaft is made to rotate downwards.

In one possible design, an inclined first connecting surface is arranged between the side surface and the bottom surface of the lower cleaning plate, and the first connecting surface can be abutted against the trash rack;

an inclined second connecting surface is arranged between the side surface and the top surface of the upper cleaning plate, and the second connecting surface can be abutted against the trash rack;

the first connecting surface and the second connecting surface are provided with cutting structures.

In one possible design, the lifting device comprises a portal frame and an electric hoist arranged on the portal frame; and the two sides of the dirt blocking box are respectively provided with a slideway, and the portal frame is arranged in the slideways in a sliding way and can slide along the slideways.

In a possible design, the tail end of the trash box is further provided with an additional groove, an additional trash blocking structure is arranged in the additional groove and comprises a winder and a trash blocking net, the winder is fixed on the side wall of the additional groove, the upper end of the trash blocking net is connected with the winding structure adaptive to the winder, and the lower end of the trash blocking net is provided with a balance weight shaft.

In one possible design, the rolling structure comprises a rolling belt and a rolling plate, wherein one end of the rolling belt is wound on the rolling device, the other end of the rolling belt is connected with the rolling plate, and the rolling plate is provided with a containing groove adaptive to the trash rack;

the rolling board includes plate body and lid, and wherein, accomodate the groove and be located the plate body, and the both ends one end of accomodating the groove is sealed, and one end is uncovered, and the lid can be dismantled the connecting plate body and control and accomodate opening and close of groove opening end.

In one possible design, the trash rack is provided with trash rack buoys.

In one possible design, the trash blocking buoys at the same height form a blocking group, and a plurality of blocking groups are arranged on the trash blocking net from top to bottom.

Has the advantages that:

this trash device mutually supports through cleaning plate and lifting by crane the ware, clears up the trash rack at trash rack lift in-process, has easy operation's advantage, and clears up with low costs repeatedly, and is clean effectual, helps resuming the water capacity of trash rack.

Drawings

Fig. 1 is a schematic structural view of a trash holding device.

Fig. 2 is a schematic structural view of the cleaning plate.

Fig. 3 is a schematic view of an additional trash holding structure.

Fig. 4 is a schematic diagram of the fitting of the trash rack and the rolling plate in side view.

Fig. 5 is a schematic view of the fitting structure of the trash rack and the rolling plate in front view.

In the figure:

1. a dirt blocking box; 101. a gate-crossing groove; 102. a cover plate; 2. a trash rack; 3. a hoist; 31. a gantry; 32. an electric hoist; 4. cleaning the plate; 41. a rotating shaft; 42. a lower cleaning plate; 43. an upper cleaning plate; 44. a first connection face; 45. a second connection face; 5. adding a trash holding structure; 51. a winder; 52. a trash rack; 53. a winding structure; 531. winding the tape; 532. rolling the plate; 532a, a plate body; 532b, a cover body; 54. a counterweight shaft; 55. a trash holding buoy.

Detailed Description

The embodiment is as follows:

the trash rack is characterized in that the trash rack is arranged on the trash rack, and the trash rack is arranged on the trash rack.

As shown in fig. 1-5, a trash holding device comprises a trash holding box 1, a trash rack 2 and a lifting device 3, wherein a trash rack groove 101 adapted to the trash rack 2 and a cleaning plate 4 rotatably arranged on the side wall of the trash rack groove 101 are arranged in the trash holding box 1, and the cleaning plate 4 is positioned upstream of the trash rack 2 and partially above the trash rack 2; the lifting device 3 is positioned above the grid groove 101 and is detachably connected to the trash rack 2; when the lifting device 3 lifts the trash rack 2, the trash rack 2 rises and abuts against the cleaning plate 4, and the cleaning plate 4 scrapes off dirt attached to the trash rack 2.

The trash holding device is arranged on a flow channel, specifically, two ends of the trash holding box 1 are fixed on two sides of the flow channel, and the widths of the grid passing groove 101 and the trash rack 2 are both adapted to the width of the flow channel, so as to avoid gaps between the trash rack 2 and the side wall of the flow channel.

In the daily use process, namely the trash rack 2 is placed in the flow channel and intercepts the dirt in the flow channel, at the moment, the trash rack device has no obvious difference from the existing trash rack 2. After long-term use, namely the trash rack 2 needs to be cleaned, the lifting device 3 is connected to the trash rack 2, and the trash rack 2 is lifted and put down through the lifting device 3; for the trash rack 2, the trash rack 2 is in contact with the cleaning plate 4 in the rising process, the cleaning plate 4 cuts the dirt wound on the trash rack 2, the dirt is cut into fragments and falls down, and therefore the water passing capacity of the trash rack 2 is recovered.

Preferably, the trash rack 2 may contact the cleaning plate 4 again during the lowering process, and perform secondary cleaning, thereby improving the cleaning effect. Suitably, the cleaning plate 4 is provided with two cleaning surfaces which are in contact with the trash rack 2 during the ascent and descent of the trash rack 2, respectively.

This trash device mutually supports through cleaning plate 4 and lifting by crane ware 3, clears up trash rack 2 at trash rack 2 lift in-process, has easy operation's advantage, and clears up with low costs repeatedly, and is clean effectual, helps resuming trash rack 2's the ability of crossing water.

In the practical use process, the situation that the dirt in the flow channel is more when the trash rack 2 is cleaned is likely to occur, and the trash rack 2 needs to be lifted when the trash rack device is cleaned, namely the trash rack 2 cannot play a role in trash blocking temporarily, so that at least one grid passing groove 101 is formed in the trash rack box 1, correspondingly, at least one trash rack 2 is arranged, and the trash rack 2 and the grid passing grooves 101 are arranged in a one-to-one correspondence mode.

Therefore, on one hand, when any one trash rack 2 is cleaned, trash can be blocked by the rest trash racks 2, and the dirt is prevented from directly flowing through the trash blocking device; on the other hand, in daily use, the interception is carried out through the plurality of trash racks 2, so that the interception rate is improved, and the water quality is improved to a certain extent.

Optionally, the number of the trash racks 2 is generally set to two to three, and technicians can also increase or decrease the number appropriately according to actual use requirements.

In a possible implementation manner, a cover plate 102 is arranged above the grid groove 101, and the cleaning plate 4 is positioned below the cover plate 102; obviously, the maintenance time only occupies a very small part of the service life of the trash holding device, so that the probability of impurities entering the grid passing groove 101 is reduced through the cover plate 102 in the daily use process, and the attachment of the impurities in the grid passing groove 101 is reduced.

In a possible implementation, at least one cleaning plate 4 is arranged in the grid groove 101 from top to bottom. Therefore, the trash rack 2 is cleaned for many times in the process of lifting once, and the cleaning effect is improved.

In this embodiment, the cleaning plate 4 includes a rotating shaft 41, a lower cleaning plate 42 and an upper cleaning plate 43, wherein the rotating shaft 41 is rotatably disposed on the grill passing groove 101 by a torsion spring, and the lower cleaning plate 42 and the upper cleaning plate 43 are sequentially fixed to the rotating shaft 41 on the side facing the trash rack 2 from bottom to top.

In the cleaning process, when the trash rack 2 rises, the trash rack 2 abuts against the lower cleaning plate 42, and the rotating shaft 41 is rotated upwards; when the trash rack 2 descends, the trash rack 2 abuts against the upper cleaning plate 43, and the rotating shaft 41 is rotated downward.

Meanwhile, the rotating shaft 41 is maintained at the designed initial position by means of the torsion spring, and when the trash rack 2 rotates the rotating shaft 41, the elastic force generated by the deformation of the torsion spring acts on the rotating shaft 41, so that the lower cleaning plate 42 and the upper cleaning plate 43 are both tightly attached to the trash rack 2, the acting force in the cleaning process is increased, and the cleaning effect is improved. In addition, through the setting of lower cleaning plate 42 and last cleaning plate 43, single cleaning plate 4 can carry out twice clean at trash rack 2 in-process of once going up and down, cooperates the setting of a plurality of cleaning plates 4, greatly increased cleaning plate 4 to trash rack 2's clean effect.

The structure of the lower cleaning plate 42 includes, but is not limited to: an inclined first connecting surface 44 is arranged between the side surface and the bottom surface of the lower cleaning plate 42, and the first connecting surface 44 can abut against the trash rack 2.

The structure of the upper cleaning plate 43 includes, but is not limited to: an inclined second connecting surface 45 is arranged between the side surface and the top surface of the upper cleaning plate 43, and the second connecting surface 45 can abut against the trash rack 2.

In addition, the first connecting surface 44 and the second connecting surface 45 are provided with cutting structures. The cutting structure may be configured in any suitable configuration and the present invention is not limited thereto. Then, taking the first connecting surface 44 as an example, in the cleaning process, the effect of the first connecting surface 44 on the trash rack 2 is divided into two types, one is cutting of the cutting structure, and the other is grinding of the rest part of the first connecting surface 44, and the two are matched with each other, so that the cutting makes the dirt cluster fragmented, and the grinding strips the dirt from the trash rack 2, thereby improving the cleaning effect.

In the present embodiment, the crane 3 includes a gantry 31 and an electric hoist 32 disposed on the gantry 31; and two sides of the trash box 1 are respectively provided with a slideway, and the portal frame 31 is arranged in the slideways in a sliding way and can slide along the slideways. Therefore, the lifting device 3 can be transferred through the slide way, the time for exposing the lifting device 3 is shortened, the loss caused by wind and sunshine is reduced, and the service life of the lifting device 3 is prolonged.

By cleaning the cleaning plate 4, dirt will be separated from the trash rack 2, obviously, the dirt will fall into the flow channel under the action of gravity and flow along the flow channel, and in some use scenes, if the trash device is arranged at the water inlet of a hydropower station, the power generation of the hydropower station is influenced by the oversize of the dirt. In this case, then, secondary interception can be performed by the trash net 52.

Specifically, the tail end of the sewage blocking box 1 is further provided with an additional groove, an additional sewage blocking structure 5 is arranged in the additional groove, the additional sewage blocking structure 5 comprises a winder 51 and a sewage blocking net 52, the winder 51 is fixed on the side wall of the additional groove, the upper end of the sewage blocking net 52 is connected with a winding structure 53 adaptive to the winder 51, and the lower end of the sewage blocking net 52 is provided with a balance weight shaft 54.

Namely, the winder 51 is started to lower the trash screen 52, the trash screen 52 and the winding structure 53 are gradually separated from the winder 51, the balance weight shaft 54 ensures that part of the trash screen 52 is immersed under the liquid level, and then part of the dirt under the liquid level is intercepted. The specific immersion depth can be adjusted according to actual conditions. At this time, the present trash rack device can block trash by the trash rack 52 even if only one trash rack 2 is provided by the trash rack 52 by the interception by the trash rack 52.

Otherwise, the winder 51 is started, the winding structure 53 and the trash rack 52 are sequentially wound on the winder 51, and the interception of the trash rack 52 is released. Alternatively, the retractor 51 may be any suitable commercially available model.

In a possible implementation manner, the rolling structure 53 includes a rolling belt 531 and a rolling plate 532, wherein one end of the rolling belt 531 is wound on the rolling device 51, the other end of the rolling belt 531 is connected to the rolling plate 532, and the rolling plate 532 is provided with a receiving groove adapted to the trash rack 52; the coiling plate 532 comprises a plate body 532a and a cover body 532b, wherein the containing groove is positioned on the plate body 532a, one end of each of two ends of the containing groove is closed, one end of each of the two ends of the containing groove is open, and the cover body 532b can be detachably connected with the plate body 532a and controls the opening and closing of the open end of the containing groove.

At this time, the trash rack 52 is detachably connected to the rolling plate 532, specifically, after the trash rack 52 intercepts the dirt for a period of time, the worker holds the fishing rod with the hook-shaped structure to perform fishing operation, that is, the fishing rod hooks the counterweight shaft 54 through the hook-shaped structure, and then pulls up the trash rack 52 in the upstream direction to prevent the dirt from falling into the flow channel.

Suitably, the bottom surface of the trash box 1 is provided with a limit groove adapted to the counterweight shaft 54, and two ends of the limit groove are both open. The worker places the balance weight shaft 54 in the limiting groove, the worker close to the cover 532b removes the cover 532b, the trash rack 52 is pulled, the other worker pushes the trash rack 52 through the fishing rod, and the trash rack 52 is taken down and placed at the base of the runner. After the new trash rack 52 is replaced and the cover 532b is installed again, the worker takes out the trash rack 52 from the limiting groove by using the fishing rod, the trash rack 52 is suspended in the flow passage, or the winder 51 is started to retract the trash rack.

In this embodiment, the trash rack 52 is provided with trash racks 55. In this way, the trash holding buoy 55 will float on the liquid surface and catch the dirt on the liquid surface, greatly improving the catching effect.

In one possible implementation, the trash holding buoys 55 at the same height form a plurality of holding groups, and from top to bottom, the trash holding net 52 is provided with a plurality of holding groups. Namely, when the liquid level heights are different, at least one interception group is ensured to float on the liquid level, and the interception of the dirt on the liquid level is ensured.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the 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 trash holding device is characterized by comprising a trash holding box (1), trash racks (2) and a lifting device (3), wherein a trash rack groove (101) adaptive to the trash racks (2) and a cleaning plate (4) rotatably arranged on the side wall of the trash rack groove (101) are arranged in the trash holding box (1), and the cleaning plate (4) is located at the upstream of the trash racks (2) and partially located above the trash racks (2); the lifting device (3) is positioned above the grid groove (101) and is detachably connected to the trash rack (2);

when the lifting device (3) lifts the trash rack (2), the trash rack (2) rises and is abutted to the cleaning plate (4), and the cleaning plate (4) scrapes off dirt attached to the trash rack (2).

2. The trash holding device of claim 1, wherein at least one grid passing groove (101) is formed in the trash holding box (1), correspondingly, at least one trash rack (2) is formed, and the trash racks (2) are arranged in one-to-one correspondence with the grid passing grooves (101).

3. The trash holding device of any one of claims 1-2, wherein a cover plate (102) is arranged above the grill grooves (101), and the cleaning plate (4) is positioned below the cover plate (102); and at least one cleaning plate (4) is arranged in the grid passing groove (101) from top to bottom.

4. The trash rack device of claim 1, wherein the cleaning plate (4) comprises a rotating shaft (41), a lower cleaning plate (42) and an upper cleaning plate (43), wherein the rotating shaft (41) is rotatably arranged on the trash rack groove (101) through a torsion spring, and the lower cleaning plate (42) and the upper cleaning plate (43) are sequentially fixed on one side of the rotating shaft (41) facing the trash rack (2) from bottom to top;

when the trash rack (2) rises, the trash rack (2) abuts against the lower cleaning plate (42) and enables the rotating shaft (41) to rotate upwards; when the trash rack (2) descends, the trash rack (2) abuts against the upper cleaning plate (43) and the rotating shaft (41) is rotated downward.

5. The trash rack of claim 4, wherein an inclined first connecting surface (44) is arranged between the side surface and the bottom surface of the lower cleaning plate (42), and the first connecting surface (44) can abut against the trash rack (2);

an inclined second connecting surface (45) is arranged between the side surface and the top surface of the upper cleaning plate (43), and the second connecting surface (45) can abut against the trash rack (2);

the first connecting surface (44) and the second connecting surface (45) are provided with cutting structures.

6. The trash rack of claim 1, wherein the crane (3) comprises a gantry (31) and an electric hoist (32) arranged on the gantry (31); and both sides of the trash box (1) are respectively provided with a slideway, and the portal frame (31) is arranged in the slideways in a sliding way and can slide along the slideways.

7. The trash rack device according to claim 1, wherein an additional groove is formed in the tail end of the trash rack box (1), an additional trash rack structure (5) is arranged in the additional groove, the additional trash rack structure (5) comprises a winder (51) and a trash rack (52), the winder (51) is fixed to the side wall of the additional groove, the upper end of the trash rack (52) is connected with a winding structure (53) adaptive to the winder (51), and a balance weight shaft (54) is arranged at the lower end of the trash rack (52).

8. The trash rack of claim 7, wherein the winding structure (53) comprises a winding belt (531) and a winding plate (532), wherein one end of the winding belt (531) is wound on the winder (51), the other end of the winding belt (531) is connected with the winding plate (532), and the winding plate (532) is provided with a receiving groove adapted to the trash rack (52);

the coiling plate (532) comprises a plate body (532a) and a cover body (532b), wherein the containing groove is located on the plate body (532a), one end of each of two ends of the containing groove is closed, one end of each of the two ends of the containing groove is open, and the cover body (532b) can be detachably connected with the plate body (532a) and controls the opening and closing of the open end of the containing groove.

9. A barrier apparatus according to any one of claims 7 to 8, wherein the barrier net (52) is provided with barrier pontoons (55).

10. The trash holding device of claim 9, wherein the trash holding buoys (55) at the same height form a plurality of holding groups, and the trash holding net (52) is provided with a plurality of holding groups from top to bottom.