CN219175890U

CN219175890U - Hopper cover, hopper and pumping equipment

Info

Publication number: CN219175890U
Application number: CN202320191359.6U
Authority: CN
Inventors: 杨永; 吴雄琼
Original assignee: Sany Automobile Manufacturing Co Ltd
Current assignee: Sany Automobile Manufacturing Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-13
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a hopper cover, a hopper and pumping equipment. The hopper cover is used for the hopper body and comprises a spraying assembly and a cover body, the cover body can be covered on the hopper, and the spraying assembly is arranged on the cover body; the spray assembly comprises a spray pipe and a plurality of spray heads; the plurality of spray heads are arranged along the length direction of the spray pipe, the plurality of spray heads are respectively communicated with the spray pipe, and the plurality of spray heads can spray the inside and/or the edge of the bucket body.

Description

Hopper cover, hopper and pumping equipment

Technical Field

The utility model relates to the technical field of concrete pumping, in particular to a hopper cover, a hopper and pumping equipment.

Background

At present, in the concrete pumping operation process, the concrete entering the hopper is easy to accumulate on the screen mesh and the edge of the hopper, if the concrete is not cleaned in time, solidification is generated for a long time, cleaning is difficult, in the related art, the hopper is manually cleaned by using the handheld spray gun, and the cleaning in such a mode is inconvenient, so that the cleaning efficiency is lower.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, a first aspect of the utility model proposes a hopper cover.

A second aspect of the utility model proposes a hopper.

A third aspect of the utility model proposes a pumping device.

In view of this, a first aspect of the present utility model provides a hopper cover for a bucket body, the hopper cover comprising a spray assembly and a cover body, the spray assembly comprising a spout and a plurality of spray heads; the cover body can be covered on the bucket body, and the spraying assembly is arranged on the cover body; the plurality of spray heads are arranged along the length direction of the spray pipe, the plurality of spray heads are respectively communicated with the spray pipe, and the plurality of spray heads can spray the inside and/or the edge of the bucket body.

In this technical scheme, the hopper cover includes spray assembly and lid. The lid can be covered and is located the bucket body to realize the installation to the lid, and then after the construction of beating material finishes, can cover the bucket body with the lid, and then can protect the bucket body, avoid debris to enter into in the bucket body. The spray assembly comprises a spray pipe and a plurality of spray heads, and the spray heads are arranged along the length direction of the spray pipe so as to realize the installation and fixation of the spray heads. The plurality of spray heads are respectively communicated with the spray pipe so that liquid entering the spray pipe can be sprayed out through the plurality of spray heads. The plurality of spray heads can spray the inside and/or the edge of the bucket body so that the plurality of spray heads can clean the inside and/or the edge of the bucket body. Because in concrete pumping operation, get into the concrete of bucket body and gather easily on bucket body screen cloth and edge, if not in time clear up, the time has produced the solidification, cause the clearance difficulty, therefore, this application is through setting up spray assembly on the hopper lid, a plurality of shower nozzles on the spray tube can carry out automatic clearance to the concrete of accumulating on bucket body screen cloth and the edge, thereby can clean bucket body screen cloth and edge, spray assembly can in time clear away the concrete material of accumulation promptly, the maintenance equipment is clean, clean and tidy, compare in adopting manual equipment after the construction of beating the material finishes, through the mode that high-pressure water or large-traffic water washed, because manual equipment needs many people collaborative operations, when one's operation, only can wash the back again clear up, the clearance time is long, the occupation is many, and is efficient, and this application adopts the mode that is provided with a plurality of shower nozzles and spray tube to clear up, make things convenient for operating personnel to clear up, improve cleaning efficiency.

In addition, the hopper cover in the technical scheme provided by the utility model can also have the following additional technical characteristics:

in one technical scheme of the utility model, the spray pipes comprise a plurality of first spray pipes and a plurality of second spray pipes, and the first spray pipes are arranged at intervals along the first direction of the cover body; the second spray pipes are arranged at intervals along the second direction of the cover body and are intersected with the first spray pipes.

In this technical scheme, the spray tube includes a plurality of first spray tubes and a plurality of second spray tube, and a plurality of first spray tubes set up along the first direction interval of lid to realize the installation and the fixed to a plurality of first spray tubes, make a plurality of first spray tubes can spray the bucket body, and then promote the cleaning efficiency to the bucket body. The second spray pipes are arranged at intervals along the second direction of the cover body so as to realize the installation and fixation of the second spray pipes, so that the second spray pipes can spray the bucket body, and the cleaning efficiency of the bucket body is improved. The second spray pipes are intersected with the first spray pipes, so that the first spray pipes and the second spray pipes can be arranged in the bucket body cover body to form criss-cross spray pipes, and further the spray area of the bucket body can be increased.

In one technical scheme of the utility model, the spray pipe is provided with a liquid inlet, and the hopper cover also comprises a liquid inlet pipe, a control valve and a water pump; one end of the liquid inlet pipe is communicated with the liquid inlet; the control valve is connected with the other end of the liquid inlet pipe; the water pump is connected with the control valve.

In this technical scheme, the hopper cover still includes feed liquor pipe, control valve and water pump, and the one end and the inlet of feed liquor pipe are linked together to make the feed liquor pipe carry the spray tube with the rivers in, be convenient for spray the subassembly and spray the rivers and clear up. The control valve is connected with the other end of the liquid inlet pipe, so that the control valve can control the on-off of water flow in the liquid inlet pipe, and accordingly the opening and closing of the spraying assembly can be controlled, and the convenience of controlling the spraying assembly is improved. The water pump is connected with the control valve, so that the water pump can provide a water source for the spray pipe, and the spray assembly is convenient to clean.

In one embodiment of the utility model, the number of the spray pipes is plural, and the plurality of spray pipes form a spray pipe network.

In this technical scheme, the quantity of spray tube is a plurality of, and a plurality of spray tubes form the spouting net, can be used for placing vertically and horizontally staggered shower water pipe net and shower nozzle on the bucket body and clear up the bucket body, after the clearance finishes, directly will spray the subassembly and take out for the clearance to the bucket body is more convenient, swift, and need not to install the subassembly that sprays on the hopper cover, promotes the convenience to the bucket body clearance.

In one embodiment of the present utility model, the control valve is a manual control valve or an electric control valve.

In the technical scheme, the control valve is a manual control valve or an electric control valve, and the mode of the manual control valve or the electric control valve is adopted, so that the on-off of water flow in the liquid inlet pipe is facilitated, the opening and closing of the spraying assembly can be controlled, and the convenience of controlling the spraying assembly is improved.

In one technical scheme of the utility model, the plurality of spray heads can rotate along a preset angle, and the rotation directions of the plurality of spray heads are the same or different.

In this technical scheme, a plurality of shower nozzles can rotate along predetermineeing the angle, when spray the subassembly to the bucket body clearance, under shower nozzle pivoted condition, can change the rivers direction that jets from the shower nozzle to can guarantee to clear up the concrete of gathering on each position on the bucket body, avoid the concrete of gathering to be in the dead angle position of bucket body and can not clear up. The rotation directions of the spray heads are the same or different, so that the cleaning effect on the concrete on the bucket body can be improved.

In one embodiment of the utility model, the nozzle is arranged on the side of the cover body facing the bucket body.

In this embodiment, the nozzle is disposed on the side of the cover facing the bucket body, and when the hopper cover is disposed on the bucket body, the nozzle is disposed facing the bucket body, so that the plurality of nozzles on the nozzle can clean the bucket body, and the concrete accumulated on the screen and the edge of the bucket body can be automatically cleaned.

In a second aspect of the utility model there is provided a hopper comprising a hopper body and a hopper cover, the hopper cover being capable of covering the hopper body.

In this technical scheme, the hopper includes the bucket body and the hopper cover, and the hopper cover can be covered and is located the bucket body, owing to be provided with the subassembly that sprays on the hopper cover to make the automatic clearance of the concrete that gathers on spraying subassembly bucket body screen cloth and the edge, thereby can be with bucket body screen cloth and edge clean up, in order to realize the clearance to the hopper.

In one aspect of the present utility model, when the cover is disposed on the bucket, the spray assembly is disposed on a side of the cover facing the bucket, and the plurality of spray nozzles face the bucket.

In this embodiment, when the cover is covered on the bucket body, the spray assembly is mounted and fixed on the cover body, and the bucket body can be cleaned by the cover body. The spraying assembly is arranged on one side of the cover body, which faces the bucket body, and the spray heads face the bucket body so as to realize the installation of the spraying assembly, and then when the bucket body needs to be cleaned, the cover body is covered on the bucket body, so that the bucket body is cleaned on one side of the cover body, which faces the bucket body, the cleaning of the bucket body by an operator is facilitated, the manpower and time are saved, and the working efficiency is improved.

Specifically, be provided with the installation cavity in the lid towards one side of the bucket body, spray the subassembly and be located the installation cavity, spray and be connected through the connecting piece between subassembly and the lid to realize the installation and the fixed to spray the subassembly.

Specifically, be provided with first joint portion in the lid towards one side of the bucket body, be provided with second joint portion on spray tube that sprays the subassembly, first joint portion and second joint portion can the joint together, and then realize installing the subassembly that sprays on the lid through the mode of joint.

A third aspect of the present utility model provides a pumping apparatus comprising a hopper cover or hopper as claimed in any preceding claim, and therefore the pumping apparatus has all the advantages of a hopper cover and hopper, and is not described in detail herein.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 shows one of the schematic views of a hopper cover according to an embodiment of the utility model;

fig. 2 shows a second schematic view of a hopper cover according to an embodiment of the utility model.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 and 2 is:

100 hopper covers, 110 hopper bodies, 120 cover bodies, 140 spraying assemblies, 142 spraying pipes, 1422 first spraying pipes, 1424 second spraying pipes, 144 spraying heads, 150 liquid inlet pipes, 160 control valves, 170 water pumps and 180 controllers.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

A hopper cover 100, a hopper and a pumping apparatus according to some embodiments of the utility model are described below with reference to fig. 1 and 2.

As shown in fig. 1 and 2, in one embodiment of the present utility model, a hopper cover 100 is provided for a hopper body 110, the hopper cover 100 including a spray assembly 140 and a cover body 120, the spray assembly 140 including a spray tube 142 and a plurality of spray heads 144; the cover 120 can be covered on the bucket body 110, and the spraying assembly 140 is arranged on the cover 120; the plurality of spray heads 144 are disposed along a length direction of the nozzle 142, the plurality of spray heads 144 are respectively in communication with the nozzle 142, and the plurality of spray heads 144 are capable of spraying the interior and/or edges of the bucket 110.

In this embodiment, the hopper cover 100 includes a spray assembly 140 and a cover 120. The lid 120 can cover and locate the bucket body 110 to realize the installation to the lid 120, and then after the construction of beating material finishes, can cover the lid 120 to the bucket body 110, and then can protect the bucket body 110, avoid debris to enter into in the bucket body 110. The spray assembly 140 includes a spray tube 142 and a plurality of spray heads 144, the plurality of spray heads 144 being disposed along a length of the spray tube 142 to effect mounting and securing of the plurality of spray heads 144. The plurality of spray heads 144 are respectively in communication with the spray tube 142 such that liquid entering the spray tube 142 can be sprayed through the plurality of spray heads 144. The plurality of spray heads 144 may be capable of spraying the interior and/or edges of the bucket 110 such that the plurality of spray heads 144 may clean the interior and/or edges of the bucket 110. Because in concrete pumping operation, get into the concrete of bucket body 110 and gather easily on bucket body 110 screen cloth and edge, if not in time clear up, the time has produced the solidification, cause the clearance difficulty, therefore, this application is through setting up spray assembly 140 on hopper cover 100, a plurality of shower nozzles 144 on spray tube 142 can carry out automatic clearance to the concrete of gathering on bucket body 110 screen cloth and the edge, thereby can with bucket body 110 screen cloth and edge clean up, spray assembly 140 can in time clear up the concrete material of gathering promptly, keep equipment clean, clean and tidy, compare in adopting manual equipment after the work of beating material finishes, through the mode that high-pressure water or large-traffic water washed, because manual equipment needs many people to cooperate the operation, when one's operation, only can wash the back again, clean up time is long, the manpower is many, and is efficient, and this application adopts the mode that is provided with a plurality of shower nozzles 144 and spray tube 142 to clear up, make things convenient for operating personnel clear up, improve cleaning efficiency.

Specifically, through set up the mode that a plurality of shower nozzles 144 cleared up bucket body 110 on spray tube 142, the multiposition sprays and washes, makes things convenient for operating personnel to clean bucket body 110, practices thrift manpower and time, improves work efficiency.

Specifically, the number of the ejection heads 144 is two.

Specifically, the number of the ejection heads 144 is four.

Specifically, the number of the ejection heads 144 is five.

Specifically, the plurality of spray heads 144 are spaced apart along the length of the nozzle 142.

Specifically, the plurality of spray heads 144 are fixedly mounted to the spray pipe 142 in a predetermined direction.

Specifically, water pressure or a large flow of water may be used to spray through spray head 144.

The spraying component 140 is disposed on the cover 120, so that the spraying component 140 can automatically clean the concrete accumulated on the screen and the edge of the bucket body 110, thereby cleaning the screen and the edge of the bucket body 110, and further improving the universality of the spraying component 140.

Specifically, the spray assembly 140 is disposed on the cover 120 such that the spray assembly 140 can clean the concrete accumulated in the bucket 110 by being mounted on the cover 120.

The present embodiment provides a hopper cover 100, which further includes the following technical features in addition to the technical features of the above-described embodiments.

As shown in fig. 1 and 2, the nozzle 142 includes a plurality of first nozzles 1422 and a plurality of second nozzles 1424, the plurality of first nozzles 1422 being spaced apart along the first direction of the cover 120; the plurality of second nozzles 1424 are spaced apart along the second direction of the cover 120 and intersect the plurality of first nozzles 1422.

In this embodiment, the spray pipe 142 includes a plurality of first spray pipes 1422 and a plurality of second spray pipes 1424, and the plurality of first spray pipes 1422 are disposed along the first direction of the cover 120 at intervals, so as to mount and fix the plurality of first spray pipes 1422, so that the plurality of first spray pipes 1422 can spray the bucket 110, thereby improving the cleaning efficiency of the bucket 110. The plurality of second nozzles 1424 are arranged along the second direction of the cover 120 at intervals, so that the plurality of second nozzles 1424 are installed and fixed, the plurality of second nozzles 1424 can spray the bucket body 110, and cleaning efficiency of the bucket body 110 is improved. The second spray pipes 1424 are intersected with the first spray pipes 1422, so that the first spray pipes 1422 and the second spray pipes 1424 can be arranged in the cover 120 of the bucket body 110 to form criss-cross spray pipes, and further the spray area of the bucket body 110 can be increased, and the cleaning efficiency of the bucket body 110 can be increased due to the fact that the spray heads 144 are arranged on each spray pipe 142.

Specifically, the angle between the first direction and the second direction is 90 degrees such that the first nozzle 1422 intersects the second nozzle 1424 at a right angle.

Specifically, the angle between the first direction and the second direction is greater than 0 degrees and less than 180 degrees.

As shown in fig. 1 and 2, the nozzle 142 has a liquid inlet, and the hopper cover 100 further includes a liquid inlet pipe 150, a control valve 160, and a water pump 170; one end of the liquid inlet pipe 150 is communicated with the liquid inlet; the control valve 160 is connected with the other end of the liquid inlet pipe 150; the water pump 170 is connected to the control valve 160.

In this embodiment, the hopper cover 100 further includes a liquid inlet pipe 150, a control valve 160 and a water pump 170, wherein one end of the liquid inlet pipe 150 is connected to the liquid inlet, so that the liquid inlet pipe 150 can convey water flow into the spray pipe 142, and the spray assembly 140 can spray water flow for cleaning. The control valve 160 is connected with the other end of the liquid inlet pipe 150, so that the control valve 160 can control the on-off of water flow in the liquid inlet pipe 150, thereby controlling the opening and closing of the spray assembly 140 and improving the convenience of controlling the spray assembly 140. The water pump 170 is connected to the control valve 160 such that the water pump 170 provides a source of water to the spout 142 for cleaning of the spray assembly 140.

Specifically, the controller 180 may send the high pressure water of the water pump 170 to the plurality of spray heads 144 for spraying.

As shown in fig. 1 and 2, the number of the nozzles 142 is plural, and the plural nozzles 142 form a nozzle network.

In this embodiment, the number of the spray pipes 142 is multiple, and the spray pipes 142 form a spray pipe network, that is, the spray pipe network and the spray heads 144 can be used for being placed on the bucket body 110 in a criss-cross manner to clean the bucket body 110, and after the cleaning is finished, the spray assemblies 140 are directly taken out, so that the cleaning of the bucket body 110 is more convenient and rapid, and the spray assemblies 140 are not required to be installed on the hopper cover 100, so that the cleaning convenience of the bucket body 110 is improved.

The control valve 160 is a manual control valve or an electric control valve.

In this embodiment, the control valve 160 is a manual control valve or an electric control valve, and is further convenient for on-off of water flow in the liquid inlet pipe 150 by adopting a manual control valve or an electric control valve, so that the opening and closing of the spray assembly 140 can be controlled, and the convenience of controlling the spray assembly 140 is improved.

Specifically, the control valve 160 is a manual control valve, when the spray assembly 140 needs to clean the bucket body 110, the water pump 170 can convey the water flow to the spray assembly 140 for cleaning by rotating the switch of the control valve 160, and after the cleaning is finished, the switch of the control valve 160 is rotated again, so that the water flow cannot be conveyed to the spray assembly 140.

Specifically, the hopper cover 100 further includes a controller 180, the controller 180 is connected with the control valve 160, so that the controller 180 can control the on-off of the control valve 160, the control of the control valve 160 is realized, the control of the spray assembly 140 is realized in an electric control mode, the spray head 144 in the spray assembly 140 can be automatically opened under the action of the controller 180, the edge of the hopper body 110 and the screen mesh are cleaned, the hopper body 110 is kept clean, the cleaning of operators is facilitated, and the production efficiency is improved.

As shown in fig. 1 and 2, the plurality of spray heads 144 can rotate along a predetermined angle, and the rotation directions of the plurality of spray heads 144 are the same or different.

In this embodiment, the plurality of spray heads 144 can rotate along a preset angle, and when the spray assembly 140 cleans the bucket body 110, the direction of the water flow sprayed from the spray heads 144 can be changed under the condition that the spray heads 144 rotate, so that the cleaning of the accumulated concrete at each position on the bucket body 110 can be ensured, and the accumulated concrete is prevented from being located at dead corners of the bucket body 110 and cannot be cleaned. The plurality of spray nozzles 144 may rotate in the same or different directions, thereby improving the cleaning effect on the concrete on the bucket body 110.

Specifically, the rotation directions of the plurality of ejection heads 144 are the same.

Specifically, the rotation directions of the plurality of spray heads 144 are different, so that when the bucket body 110 is cleaned, the plurality of spray heads 144 can spray water in different directions, that is, the collected concrete at a plurality of positions of the bucket body 110 can be cleaned at the same time, and then the spraying area of the spraying assembly 140 can be increased, so that the cleaning efficiency of the bucket body 110 is improved.

The nozzle 142 is disposed on a side of the cover 120 facing the bucket 110.

In this embodiment, by disposing the nozzle 142 on the side of the cover 120 facing the bucket body 110, and further when the bucket cover 100 is covered on the bucket body 110, the nozzle 142 is disposed facing the bucket body 110, so that the plurality of nozzles 144 on the nozzle 142 can clean the bucket body 110, so that the accumulated concrete on the screen and the edge of the bucket body 110 can be automatically cleaned.

Specifically, the cover 120 and the nozzle 142 are integrated, so that stability of the cover 120 and the nozzle 142 can be improved, and therefore, the influence on cleaning of the hopper body 110 caused by separation of the cover 120 and the nozzle 142 in the use process of the hopper cover 100 can be avoided, and the time for installing the cover 120 and the nozzle 142 can be reduced due to the integrated structure of the cover 120 and the nozzle 142.

Specifically, the cap 120 is detachably connected to the spout 142.

In one embodiment of the present utility model, a hopper is provided, including a hopper body 110 and a hopper cover 100, wherein the hopper cover 100 can be covered on the hopper body 110.

In this embodiment, the hopper includes the bucket body 110 and the hopper cover 100, and the hopper cover 100 can cover and locate the bucket body 110, owing to be provided with the spray assembly 140 on the hopper cover to make the automatic clearance of the concrete that gathers on spray assembly bucket body 110 screen cloth and the edge, thus can be with bucket body 110 screen cloth and edge clean up, in order to realize the clearance to the hopper.

The present embodiment provides a hopper, which further includes the following technical features in addition to the technical features of the above embodiments.

As shown in fig. 1 and 2, when the cover 120 is covered on the bucket 110, the spray assembly 140 is disposed on a side of the cover 120 facing the bucket 110, and the plurality of spray nozzles 144 face the bucket 110.

In this embodiment, when the cover 120 is covered on the bucket 110, the spray assembly 140 is mounted on and fixed to the cover 120, and the bucket 110 can be cleaned by the cover 120. The spray assembly 140 is arranged on one side of the cover body 120 towards the bucket body 110, the spray heads 144 face the bucket body 110, so that the spray assembly 140 is installed, when the bucket body 110 needs to be cleaned, the cover body 120 is covered on the bucket body 110, the bucket body 110 is cleaned on one side of the cover body 120 towards the bucket body 110, operators can conveniently clean the bucket body 110, labor and time are saved, and work efficiency is improved.

Specifically, an installation cavity is provided at one side of the cover 120 facing the bucket 110, the spray assembly 140 is located in the installation cavity, and the spray assembly 140 is connected with the cover 120 through a connecting piece, so as to install and fix the spray assembly 140.

Specifically, a first clamping portion is disposed on a side of the cover 120 facing the bucket 110, a second clamping portion is disposed on the nozzle 142 of the spray assembly 140, and the first clamping portion and the second clamping portion can be clamped together, so that the spray assembly 140 is mounted on the cover 120 in a clamping manner.

In one embodiment of the present utility model, a pumping apparatus is provided, including the hopper cover 100 or the hopper in any of the above embodiments, so that the pumping apparatus has all the advantages of the hopper cover 100 and the hopper, which are not described herein.

Specifically, the pumping equipment is a concrete pumping machine, a drag pump, a vehicle-mounted pump or a concrete conveying pump truck.

In the claims, specification and drawings of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present utility model and making the description process easier, and not for the purpose of indicating or implying that the device or element in question must have the particular orientation described, be constructed and operated in the particular orientation, and therefore such description should not be construed as limiting the present utility model; the terms "connected," "mounted," "secured," and the like are to be construed broadly, and may be, for example, a fixed connection between a plurality of objects, a removable connection between a plurality of objects, or an integral connection; the objects may be directly connected to each other or indirectly connected to each other through an intermediate medium. The specific meaning of the terms in the present utility model can be understood in detail from the above data by those of ordinary skill in the art.

In the claims, specification, and drawings of the present utility model, the descriptions of terms "one embodiment," "some embodiments," "particular embodiments," etc., mean 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 present utility model. In the claims, specification and drawings of the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A hopper cover for closing with a hopper body, the hopper cover comprising:

the spray assembly comprises a spray pipe and a plurality of spray heads;

the cover body can be arranged on the bucket body in a covering mode, and the spraying assembly is arranged on the cover body;

the spray pipes are arranged along the length direction of the spray pipes, the spray pipes are respectively communicated with the spray pipes, and the spray pipes can spray the inside and/or the edges of the bucket body.

2. The hopper cover of claim 1, wherein the spout comprises:

the first spray pipes are arranged at intervals along the first direction of the cover body;

the second spray pipes are arranged at intervals along the second direction of the cover body and are intersected with the first spray pipes.

3. The hopper cover of claim 2, wherein the spout has a liquid inlet, the hopper cover further comprising:

one end of the liquid inlet pipe is communicated with the liquid inlet;

the control valve is connected with the other end of the liquid inlet pipe;

and the water pump is connected with the control valve.

4. The hopper cover of claim 1, wherein the number of nozzles is a plurality, the plurality of nozzles forming a nozzle network.

5. A hopper cover according to claim 3, wherein the control valve is a manual control valve or an electric control valve.

6. The hopper cover of any of claims 1 to 5, wherein the plurality of spray heads are rotatable along a predetermined angle and the plurality of spray heads are rotated in the same or different directions.

7. The hopper cover of any of claims 1 to 5, wherein the spout is disposed on a side of the cover facing the hopper body.

8. A hopper, comprising:

a bucket body;

the hopper cover of any one of claims 1 to 7, being capable of being covered on the hopper body.

9. The hopper of claim 8, wherein the spray assembly is disposed on a side of the cover facing the hopper body with the cover disposed over the hopper body, and the plurality of spray heads facing the hopper body.

10. A pumping apparatus, comprising:

the hopper cover of any one of claims 1 to 7; or alternatively, the first and second heat exchangers may be,

a hopper according to claim 8 or 9.