CN222469675U - Feeding mechanism and buried garbage screening device - Google Patents

Abstract

The utility model relates to the technical field of underground garbage screening, in particular to a feeding mechanism and an underground garbage screening device, which comprises a fixed part, a material distributing part and a material distributing part, wherein the fixed part comprises a fixed frame, a movable cylinder arranged below the fixed frame and a pollution discharge plate arranged below the fixed frame, the material distributing part comprises a driving assembly arranged inside the fixed frame, a rotating assembly arranged on the inner wall of the fixed frame, a pulling assembly arranged below the rotating assembly, movable assemblies arranged on two sides of the driving assembly and a rebound assembly arranged below the driving assembly, and the pulling assembly is connected with the rebound assembly.

Description

Feeding mechanism and buried garbage screening device

Technical Field

The utility model relates to the technical field of underground garbage screening, in particular to a feeding mechanism and an underground garbage screening device.

Background

In modern urban life, garbage disposal is becoming an increasingly important issue. With the growth of population and the change of consumption mode, the quantity and variety of urban garbage are also increasing. Under the background, the garbage screening technology is taken as a key link in the urban garbage treatment process, the importance of the garbage screening technology is more and more remarkable, and the feeding mechanism in the device is one of indispensable components, but the load of the screening device is increased due to the fact that the conveying amount of garbage cannot be controlled due to buried garbage in the process of conveying garbage, but the load is increased when the conveying amount of garbage is large, and the screening device is driven by a motor, so that the motor is damaged due to the increase of the load.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model has been made in view of the problems of the above or the prior art that a large amount of buried waste enters a rolling screen and the screening of the rolling screen is not fine.

Therefore, the utility model aims to provide a feeding mechanism and an underground garbage screening device.

In order to solve the technical problems, the utility model provides a feeding mechanism which comprises,

The fixing component comprises a fixing frame, a movable cylinder arranged below the fixing frame and a pollution discharge plate arranged below the fixing frame;

The material distributing component comprises a driving component arranged in the fixed frame, a rotating component arranged on the inner wall of the fixed frame, a pulling component arranged below the rotating component, moving components arranged on two sides of the driving component and a rebound component arranged below the driving component;

wherein, the pulling component is connected with the rebound component.

The driving assembly comprises a movable frame, racks arranged on one side of the movable frame and sliding rails arranged on the inner walls of two sides of the fixed frame;

the movable frame is arranged in the fixed frame in a sliding manner through the sliding rail.

The feeding mechanism is characterized in that the rotating assembly comprises a first fixed plate arranged on the inner wall of the fixed frame, a rotating shaft arranged in the first fixed plate, and a gear arranged at one end of the rotating shaft;

wherein, the pulling component is arranged on one side of the first fixed plate.

The pulling assembly comprises a second fixed plate arranged in the fixed frame, a reel arranged on one side of the second fixed plate, a string arranged on the outer side of the reel, a guide block arranged below the movable frame, a movable groove arranged in the guide block and a rotating plate arranged at the bottom of the movable frame;

One end of the string is fixedly connected with the reel, the other end of the string is fixedly connected with the rotating plate, the string is slidably arranged in the moving groove, the reel is fixedly connected with the rotating shaft, and the rotating shaft is rotatably connected with the second fixing plate.

The feeding mechanism comprises a movable assembly, a fixed frame, a feeding mechanism and a feeding mechanism, wherein the movable assembly comprises sliding grooves arranged on two sides of the movable frame, sliding rods arranged in the sliding grooves, connecting rods arranged at the top ends of the sliding rods, limiting grooves arranged in two sides of the fixed frame, and a movable plate arranged at one end of the connecting rods;

Wherein, the connecting rod slides and sets up in the restriction groove.

The rebound assembly comprises a rotating shaft arranged at the bottom of the moving frame and clockwork springs arranged at two ends of the rotating shaft;

Wherein, the rotating plate is fixedly connected with the rotating shaft.

The feeding mechanism and the buried garbage screening device have the beneficial effects that in the using process of the mechanism, the gravity of garbage is rotated into the power of the rotating device through the design of the driving component, and the upper port is sealed by the moving plate through the design of the moving component when the moving frame descends, so that the problem of large garbage conveying capacity is prevented, the conveying capacity of the buried garbage is ensured to be controlled, and the running load of a motor is not increased.

In view of the problem that in the actual use process, the buried garbage can adhere to the surface of the fixed frame and is difficult to clean.

The feeding mechanism comprises a cleaning component, a feeding mechanism and a feeding mechanism, wherein the cleaning component comprises an extension frame arranged above a fixed frame, a guide component arranged above a moving plate and a synchronization component arranged inside the extension frame;

the extension frame is fixedly connected with the movable frame, and the guide assembly is fixedly connected with the inner wall of the extension frame.

As a preferable scheme of the feeding mechanism, the synchronous assembly comprises a connecting plate arranged on one side of the movable frame, a square frame arranged at the top end of the connecting rod and a cleaning scraper arranged on the side edge of the square frame;

Wherein, square frame slides and locates in the fixed frame.

The guide assembly comprises a triangle arranged above the moving plate and a guide groove arranged below the triangle;

The triangular plate is fixedly connected with the extension frame, and the movable plate is arranged in the guide groove in a sliding mode.

The buried garbage screening device comprises the feeding mechanism and a supporting frame, wherein the supporting frame is arranged below the fixed frame;

the drum screen is arranged above the supporting frame.

The feeding mechanism and the buried garbage screening device have the beneficial effects that in the using process of the mechanism, the square frame is driven to slide in the extension frame through the descending of the movable frame so as to drive the cleaning scraper to clean the surface of the extension frame, and a buffer bin is formed by the movable plate, the extension frame and the triangular plate and is used for storing the continuously-falling buried garbage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the internal structure of the fixing frame of the present utility model.

FIG. 3 is a schematic view of a part of a moving frame structure of the present utility model.

FIG. 4 is a schematic view in partial cross-section of another alternate orientation of the structure of FIG. 3 in accordance with the present utility model.

Fig. 5 is a schematic partial sectional view of a fixing frame structure of the present utility model.

Fig. 6 is a schematic structural view of a moving assembly according to the present utility model.

FIG. 7 is a schematic view of the structure of FIG. 6 in another orientation in accordance with the present utility model.

Fig. 8 is a schematic structural diagram of embodiment 2 of the present utility model.

Fig. 9 is a schematic cross-sectional view of the structure of the present utility model.

Fig. 10 is a schematic structural diagram of embodiment 3 of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-6, a first embodiment of the present utility model provides a feeding mechanism and a buried garbage screening apparatus, comprising,

A fixing member 100 including a fixing frame 101, a moving cylinder 103 provided below the fixing frame 101, and a drain pan 102 provided below the fixing frame 101;

The material distributing component 200 comprises a driving component 201 arranged in the fixed frame 101, a rotating component 202 arranged on the inner wall of the fixed frame 101, a pulling component 203 arranged below the rotating component 202, moving components 204 arranged on two sides of the driving component 201 and a rebound component 205 arranged below the driving component 201, wherein the pulling component 203 is connected with the rebound component 205;

The cavity has been seted up to the lower extreme of fixed frame 101, drain board 102 and fixed frame 101 fixed connection, and one end passes through the cavity and extends to the inside of fixed frame 101, and drive assembly 201 slides in fixed frame 101, rotate the inner wall fixed connection of subassembly 202 and fixed frame 101, remove cylinder 103 and fixed frame 101's bottom fixed connection, because the transport of buried rubbish, make the weight of buried rubbish progressively increase in removing the frame 201b, when weight is greater than the lift of removing cylinder 103, thereby drive rotate the subassembly 202, pull subassembly 203 and remove subassembly 204 synchronous motion, rotate the subassembly 202 and drive and pull subassembly 203 and can make rebound subassembly 205 be in the state of holding, and remove subassembly 204 can make drive assembly 201's top port seal, prevent more buried rubbish to get into in the drive assembly 201.

Further, the driving assembly 201 includes a moving frame 201b, a rack 201c disposed on one side of the moving frame 201b, and a sliding rail 201a disposed on inner walls of two sides of the fixed frame 101, wherein the moving frame 201b is slidably disposed in the fixed frame 101 through the sliding rail 201a, the rack 201c is fixedly connected with an outer wall of the moving frame 201b, which is far away from the sliding rail 201a, the sliding rail 201a is embedded into the fixed frame 101, the sliding rail 201a is two U-shaped plates symmetrically disposed with respect to the center of the fixed frame 101, the rebound assembly 205 is fixed at the bottom of the moving frame 201b, and the buried garbage in the moving frame 201b is gradually increased, so that the moving frame 201b is driven to slide downwards in the sliding rail 201a, thereby driving the rack 201c to move downwards, and providing power for the movement of the rotating assembly 202.

Further, the rotating assembly 202 includes a first fixing plate 202c disposed on the inner wall of the fixing frame 101, a rotating shaft 202b disposed inside the first fixing plate 202c, and a gear 202a disposed at one end of the rotating shaft 202b, wherein the pulling assembly 203 is disposed on one side of the first fixing plate 202c, the first fixing plate 202c is fixedly connected with the inner wall of the fixing frame 101 far away from the sliding rail 201a, the rotating shaft 202b is rotationally connected with the first fixing plate 202c, a gear 202a is fixedly sleeved on the rotating outer side, the gear 202a is meshed with the rack 201c, and the driving assembly 201 moves downwards to drive the gear 202a to rotate, so as to drive the rotating shaft 202b to rotate, and thus drive the pulling assembly 203 to operate.

Further, the pulling assembly 203 comprises a second fixing plate 203e arranged in the fixing frame 101, a reel 203d arranged on one side of the second fixing plate 203e, a string 203a arranged on the outer side of the reel 203d, a guide block 203b arranged below the moving frame 201b, a moving groove formed in the guide block 203b, and a rotating plate 203c arranged at the bottom of the moving frame 201b, wherein one end of the string 203a is fixedly connected with the reel 203d, the other end of the string 203a is fixedly connected with the rotating plate 203c, the string 203a is slidingly arranged in the moving groove, the reel 203d is fixedly connected with the rotating shaft 202b, the rotating shaft 202b is rotationally connected with the second fixing plate 203e, the second fixing plate 203e is fixedly connected with the inner wall of the fixing frame 101, which is provided with the first fixing plate 202c, the string 203a is wound on the outer side of the reel 203d, and the rotating shaft 202b is fixedly connected with the reel 203d, so that the rotating shaft 202b drives the rotating wheel 203d to rotate, thereby driving the string 203a to pull the rotating plate 203c, the bottom of the moving frame 201b to be opened, the string 203b is fixedly connected with the inner wall of the guide block 203b, and the drain is placed in the moving groove 203a, and the drain is fixedly connected with the moving frame 203 a.

Further, the moving assembly 204 includes a sliding chute 204a disposed at two sides of the moving frame 201b, a sliding rod 204b disposed in the sliding chute 204a, a connecting rod 204c disposed at the top end of the sliding rod 204b, a limiting slot 204e disposed at two sides of the inside of the fixed frame 101, and a moving plate 204d disposed at one end of the connecting rod 204c, wherein the connecting rod 204c is slidably disposed in the limiting slot 204e, the sliding rod 204b is slidably disposed in the sliding chute 204a, the sliding chute 204a is obliquely disposed with respect to the moving frame 201b, the upper end of the sliding chute 204a is disposed at one side far away from the moving plate 204d, the lower end of the sliding chute 204a is disposed at one side near the rack 201c, one end of the connecting rod 204c is fixedly connected with the sliding rod 204b, the other end of the connecting rod 204c is fixedly connected with the moving plate 204d, when the moving frame 201b descends, the sliding rod 204b is obliquely slid in the sliding chute 204a, so as to drive the traversing of the connecting rod 301a, and when the connecting rod 204c traverses the moving plate 204d to the traversing the moving plate 204d, so that the moving plate 204d moves right above the moving frame 201b, thereby preventing ground garbage from entering the moving frame 201b, and ensuring that the moving frame 201b is completely and limiting the moving distance.

Further, the rebound assembly 205 includes a rotation shaft 205b disposed at the bottom of the moving frame 201b, and a spring 205a disposed at two ends of the rotation shaft 205b, wherein the rotation plate 203c is fixedly connected to the rotation shaft 205b, one end of the spring 205a is fixedly connected to the bottom of the moving frame 201b, the other end of the spring 205a is fixedly connected to the rotation shaft 205b, when the moving frame 201b moves upward, the rack 201c drives the gear 202a to rotate reversely, so that the reel 203d pays off, when the string 203a is in a loose state, the spring 205a contacts the restriction of the rotation plate 203c, and the spring 205a drives the rotation plate 203c to rotate reversely, so that the lower end of the moving frame 201b is sealed, and at this time, the rotation plate 203c pulls the string 203a to slide in the guide groove 302 b.

The operation process is that when the buried garbage is conveyed in the fixed frame 101, the buried garbage enters the movable frame 201b, when the weight of the buried garbage is gradually increased, and when the weight is larger than the jacking force of the movable cylinder 103, the movable frame 201b descends, the rack 201c is driven to descend when the weight is larger than the jacking force of the movable cylinder 103, so that the gear 202a is driven to rotate, the rotating shaft 202b drives the reel 203d to rotate, the reel 203d winds the string 203a on the surface of the reel 203d, at the moment, the string 203a pulls the rotating plate 203c, so that the bottom of the movable frame 201b is opened, the buried garbage falls on the pollution discharge plate 102, and in the descending process of the movable frame 201b, the slide bar 204b slides in the slide groove 204a, and the slide bar 204b drives the connecting rod 204c to transversely move, so that the connecting rod 204c drives the movable plate 204d to transversely move right above the movable frame 201b, and the buried garbage cannot enter the movable frame 201 b;

When the buried garbage in the moving frame 201b gradually falls on the sewage draining board 102, the moving frame 201b moves upwards under the action of the moving cylinder 103 at the bottom of the moving frame 201b, so that the rack 201c moves upwards, and the gear 202a is driven to rotate reversely, at this time, the gear 202a drives the reel 203d to pay off, at this time, the spring 205a at one side of the rotating shaft 205b drives the rotating board 203c to rotate to the bottom of the moving frame 201b, so as to reciprocate.

In the use process of the mechanism, the gravity of the garbage is designed to rotate into the power of a rotating device through the driving assembly 201, and the upper port is sealed by the moving plate 204d when the moving frame 201b descends through the design of the moving assembly 204, so that the problem of large garbage conveying capacity is prevented, the conveying capacity of the buried garbage is ensured to be controlled, and the running load of a motor is not increased.

Example 2

Because the surface can fall on the garbage residue in the use process, when more garbage residue is accumulated on the inner wall of the extension frame 303, the subsequent cleaning of the feeding mechanism can be influenced;

Referring to fig. 8-9, in a second embodiment of the present utility model, unlike the previous embodiment, the cleaning device further comprises a cleaning member 300, which includes an extension frame 303 disposed above the fixed frame 101, a guide assembly 302 disposed above the moving plate 204d, and a synchronization assembly 301 disposed inside the extension frame 303, wherein the extension frame 303 is fixedly connected to the fixed frame 101, and the guide assembly 302 is fixedly connected to an inner wall of the extension frame 303;

the synchronizing component 301 is attached to the inner wall surface of the extension frame 303, when the moving frame 201b descends, the synchronizing component 301 is driven to move, when the moving plate 204d is located below the guiding component 302, the guiding component 302 guides the buried garbage into the moving frame 201b, and when the moving plate 204d moves from below the guiding component 302 to above the moving frame 201b, a buffer bin is formed between the guiding component 302, the extension frame 303 and the moving plate 204d for buffering the buried garbage.

Further, the synchronization assembly 301 includes a connection plate 301a disposed at an upper end of the moving frame 201b, a square frame 301b disposed at a top end of the connection plate 301a, and a cleaning scraper 301c disposed at a side edge of the square frame 301b, wherein the square frame 301b is slidably disposed in the fixed frame 101, the connection plate 301a is fixedly disposed at a top end of the moving frame 201b, the square frame 301b is fixedly disposed at a top end of the connection plate 301a, and the cleaning scraper 301c is fixedly connected with the fixed frame 101 through a screw.

Further, the guiding assembly 302 includes a triangle 302a disposed above the moving plate 204d, and a guiding slot 302b disposed below the triangle 302a, wherein the triangle 302a is fixedly connected to the extension frame 303, the moving plate 204d is slidably disposed in the guiding slot 302b, an upper end of the triangle 302a is an inclined plane, a lower end is a horizontal plane, a lower end of the triangle 302a is attached to a top end of the moving plate 204d, when the moving plate 204d is located below the triangle 302a, the triangle 302a guides the ground-buried garbage into the moving frame 201b, and when the moving plate 204d moves from below the triangle 302a to above the moving frame 201b, a buffer bin is formed between the triangle 302a, the extension frame 303 and the moving plate 204d for buffering the ground-buried garbage.

The rest of the structure is the same as in embodiment 1.

In the initial state, the square frame 301b is positioned at the top end of the extension frame 303, the connecting plate 301a is fixedly connected with the square frame 301b, the moving plate 204d is positioned right below the triangular plate 302a, the square frame 301b is driven to move downwards by the connecting plate 301a when the moving frame 201b descends, the cleaning scraper 301c is attached to the inner wall surface of the extension frame 303 and wipes the inner wall surface in the moving process, the moving plate 204d is driven to slide in the guide groove 302b by the moving frame 201b, so that a buffer bin is formed on the upper surface of the moving plate 204d, the upper surface of the triangular plate 302a and the inner wall surface of the extension frame 303, the continuously conveyed materials can fall in the buffer area when the moving frame 201b descends, the conveying device does not need to stop, the moving frame 301b is driven to move upwards by the connecting plate 301a in the moving process, the triangular plate 204d moves downwards by the triangular plate 302a when the moving frame 201b collides with the garbage and slides into the triangular plate 302 a.

Through the setting of clearance part 300, when removing the in-process that frame 201b descends, clearance is scraped 301c and is cleared up the surface of fixed frame 101 inner wall to guarantee that fixed frame 101 inner wall surface does not have the rubbish residual, make the rubbish in buffering the storehouse can slide in removing frame 201b through the direction of set square 302a, in order to clear up the surface of movable plate 204d, simultaneously, through the automatic clearance of clearance part 300, reduce the manual work to the clearance frequency of fixed frame 101, alleviateed staff's burden to a certain extent.

Example 3

Referring to fig. 10, a third embodiment of the present utility model is different from the previous embodiment in that an underground garbage screening apparatus includes the feeding mechanism as described above, and a supporting frame 400 disposed below the fixed frame 101, and a trommel 500 disposed above the supporting frame 400 for screening the underground garbage in different sizes.

The feeding mechanism is fixedly arranged on the high-end surface of the support frame 400, the rotary screen 500 is arranged on the low-end surface of the support frame 400, a feed inlet is arranged above the rotary screen 500, the lower end of the pollution discharge plate 102 in the feeding mechanism is fixedly connected with the feed inlet, the self weight of garbage is designed to enable the movable frame to move through the driving assembly 201, when the movable frame 201b descends, the upper port is sealed by the movable plate 204d through the design of the movable assembly 204, so that garbage above is blocked from continuously entering the movable frame, and the conveying amount of buried garbage is ensured to be controlled;

Through the design above, the buried garbage can quantitatively enter the rotary screen 500, the rotary screen 500 can fully screen the buried garbage, the screening effect is improved, meanwhile, the problem that the geographical garbage enters the rotary screen 500 once and largely, overload and shutdown of the rotary screen 500 are caused, excessive wear of equipment is caused by overload is avoided, namely the working load of the rotary screen 500 cannot be increased, and the rotary screen 500 can screen the buried garbage more finely in the screening process, so that the screening efficiency is improved.

The rest of the structure is the same as that of embodiment 1 or 2.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A feeding mechanism is characterized by comprising,

A fixed member (100) comprising a fixed frame (101), a moving cylinder (103) provided below the fixed frame (101), and a drain plate (102) provided below the fixed frame (101);

The material distributing component (200) comprises a driving component (201) arranged in the fixed frame (101), a rotating component (202) arranged on the inner wall of the fixed frame (101), a pulling component (203) arranged below the rotating component (202), moving components (204) arranged on two sides of the driving component (201), and a rebound component (205) arranged below the driving component (201);

wherein the pulling assembly (203) is connected with the rebound assembly (205).

2. The feeding mechanism according to claim 1, wherein the driving assembly (201) comprises a moving frame (201 b), a rack (201 c) arranged on one side of the moving frame (201 b), and sliding rails (201 a) arranged on inner walls on two sides of the fixed frame (101);

The movable frame (201 b) is slidably arranged in the fixed frame (101) through a sliding rail (201 a).

3. The feeding mechanism as set forth in claim 2, wherein the rotating assembly (202) comprises a first fixed plate (202 c) arranged on the inner wall of the fixed frame (101), a rotating shaft (202 b) arranged inside the first fixed plate (202 c), and a gear (202 a) arranged at one end of the rotating shaft (202 b);

Wherein, the pulling component (203) is arranged at one side of the first fixing plate (202 c).

4. The feeding mechanism according to claim 3, wherein the pulling assembly (203) comprises a second fixed plate (203 e) arranged in the fixed frame (101), a reel (203 d) arranged on one side of the second fixed plate (203 e), a string (203 a) arranged on the outer side of the reel (203 d), a guide block (203 b) arranged below the movable frame (201 b), a movable groove arranged in the guide block (203 b), and a rotating plate (203 c) arranged at the bottom of the movable frame (201 b);

One end of the string (203 a) is fixedly connected with the reel (203 d), the other end of the string (203 a) is fixedly connected with the rotating plate (203 c), the string (203 a) is slidably arranged in the moving groove, the reel (203 d) is fixedly connected with the rotating shaft (202 b), and the rotating shaft (202 b) is rotatably connected with the second fixed plate (203 e).

5. The feeding mechanism of claim 4, wherein the moving assembly (204) comprises sliding grooves (204 a) arranged on two sides of the moving frame (201 b), a sliding rod (204 b) arranged in the sliding grooves (204 a), a connecting rod (204 c) arranged at the top end of the sliding rod (204 b), limiting grooves (204 e) arranged inside two sides of the fixed frame (101), and a moving plate (204 d) arranged at one end of the connecting rod (204 c);

Wherein the connecting rod (204 c) is slidably arranged in the limiting groove (204 e).

6. The feeding mechanism according to claim 5, wherein the rebound member (205) comprises a rotation shaft (205 b) provided at the bottom of the moving frame (201 b), and a mainspring (205 a) provided at both ends of the rotation shaft (205 b);

wherein the rotating plate (203 c) is fixedly connected with the rotating shaft (205 b).

7. The feeding mechanism as set forth in claim 5 or 6, further comprising a cleaning member (300) comprising an extension frame (303) provided above the fixed frame (101), a guide member (302) provided above the moving plate (204 d), and a synchronizing member (301) provided inside the extension frame (303);

The extension frame (303) is fixedly connected with the movable frame (201 b), and the guide assembly (302) is fixedly connected with the inner wall of the extension frame (303).

8. The feeding mechanism of claim 7, wherein the synchronizing assembly (301) comprises a connecting plate (301 a) arranged on one side of the movable frame (201 b), a square frame (301 b) arranged on the top end of the connecting rod (204 c), and a cleaning scraper (301 c) arranged on the side edge of the square frame (301 b);

Wherein, square frame (301 b) slides and locates in fixed frame (101).

9. The feeding mechanism as set forth in claim 8, wherein said guide member (302) comprises a triangular plate (302 a) provided above said moving plate (204 d), and a guide groove (302 b) provided below said triangular plate (302 a);

The triangular plate (302 a) is fixedly connected with the extension frame (303), and the moving plate (204 d) is arranged in the guide groove (302 b) in a sliding mode.

10. The buried garbage screening device is characterized by comprising the feeding mechanism as claimed in any one of claims 1-9 and a supporting frame (400) arranged below the fixed frame (101);

A trommel (500) disposed above the support frame (400).