Municipal road dredging device and working method thereof
By introducing components such as screening rollers and guide plates into the silt removal device, the problem of small-particle silt adhesion is solved, efficient separation and collection of silt and garbage are achieved, silt removal efficiency is improved, and the maintenance process is simplified.
Patent Information
- Application Number
- CN202510901453.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-01
- Publication Date
- 2025-10-17
AI Technical Summary
In the existing technology, the auger cannot effectively separate small particles of silt from large particles of garbage during the dredging process, resulting in small particles of silt adhering to large particles of garbage, requiring frequent manual cleaning, and lacks a screening structure, which affects the dredging efficiency.
The separation components include screening rollers and guide plates. Small particles of sludge are separated through screening holes and guided to the side absorption pipe by the guide plate. The limit seat and sponge sealing structure are combined to prevent infiltration. The spiral cutter and centralizing component are used to achieve the separation and collection of sludge and garbage.
It achieves effective separation of small particles of silt and large particles of garbage, avoids silt adhesion, improves dredging efficiency, reduces the frequency of manual cleaning, and is easy to maintain through its detachable design.
Smart Images
Figure CN120797572A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application mainly relates to the technical field of road dredging, in particular to a municipal road dredging device and a working method thereof. BACKGROUND
[0002] With the increasing number of urban vehicles and the acceleration of urbanization process, the width of the road is continuously widened, the number of roads is continuously increased, and the road dredging work is more and more heavy. Especially after heavy rain, the soil on the road is gathered in the low-lying place under the action of water flow, forming a sludge accumulation in the low-lying place. If it is not removed in time, the vehicle will slip when driving through, and after the accumulated sludge dries, a large amount of dust will be generated when the vehicle passes through, polluting the environment.
[0003] The prior art uses an auger to concentrate sludge, and an rolling mill and a wear plate can realize the crushing treatment of the blockage, reduce the size of the blockage, weaken the sharp edges of the blockage, thereby reducing the risk of damage to the dredging pipeline and the auger by the blockage, and improving the stability of continuous operation. However, the blades of the auger cannot contact the bottom of the bucket during the process of conveying sludge, which is easy to accumulate sludge at the bottom position, and lacks a screening structure for sludge. Small particles of sludge are mixed with large particles of garbage for conveying, and the sludge is easy to adhere to the structure for processing large particles of garbage due to its own viscosity, thereby causing the need for frequent manual cleaning of the adhered sludge, which is inconvenient to use. SUMMARY
[0004] The purpose of the present application is to provide a municipal road dredging device and a working method thereof to solve the problems raised in the background art.
[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: A municipal road dredging device, comprising a vehicle body and a bucket, the bucket being rotatably arranged on the vehicle body, a front end of the bucket forming a scraper portion, a separation assembly, a rolling mill, a spiral cutter and a concentration assembly being arranged on the bucket from outside to inside starting from the scraper portion, a side suction pipe and a center suction pipe being arranged on the vehicle body, a suction end of the side suction pipe being connected with the separation assembly to suck small particles of sludge separated by the separation assembly, and a suction end of the center suction pipe being connected with an inner side wall of the bucket to suck large particles of garbage concentrated by the concentration assembly.
[0006] Preferably, the separation assembly comprises a screening roller, the surface of the screening roller is circumferentially arrayed to form a plurality of screening holes to allow small particle sludge to flow into the screening roller, one side of the screening roller is a discharge end, the discharge end is connected with the adsorption end of the absorption pipe, a guide plate is arranged in the screening roller, the guide plate is in a spiral shape to guide the sludge in the screening roller to flow towards the discharge end, a separation motor is arranged on the side wall of the shovel head, and a driving end of the separation motor is fixedly connected with the other side of the screening roller.
[0007] Further, the number of the screening rollers is two, and the separation assembly further comprises a first limiting seat and a second limiting seat, the first limiting seat comprises a first arc-shaped portion and a protruding portion, the first arc-shaped portion is attached to the surface of one screening roller, the second limiting seat comprises a second arc-shaped portion, a third arc-shaped portion and an inner recess portion which is spliced with the protruding portion, the third arc-shaped portion is at the same horizontal height as the first arc-shaped portion and is spliced with the first arc-shaped portion to form a semicircular structure, the second arc-shaped portion is above the third arc-shaped portion, and the second arc-shaped portion is attached to the surface of the other screening roller, so that a height difference is formed between the two screening rollers.
[0008] Further, the surfaces of the first limiting seat and the second limiting seat are formed with a wear-resistant rubber layer, when the screening roller rotates to overcome the friction of the wear-resistant rubber layer, the sludge at the top of the screening roller cannot penetrate downwards along the connecting gap under the elastic sealing of the wear-resistant rubber layer, and the interval between the two screening rollers is further filled with sponge, and the end of the first limiting seat and the second limiting seat away from the screening roller is formed with a threaded hole, so as to be threadedly connected, disassembled and fixed with the inner wall of the bucket.
[0009] Further, a driving lead screw is arranged above the screening roller in the horizontal direction, a screw end of the driving lead screw is movably connected with one side wall of the bucket, and a motor end is fixedly connected with the side wall on the other side of the bucket, a anti-blocking brush is arranged on the screw end, and the bristles of the anti-blocking brush penetrate into the screening holes of the screening roller.
[0010] Preferably, a groove is formed in the corresponding position of the bottom of the bucket and a wear-resistant plate is arranged in the groove, an opening is formed in the corresponding position of the side wall of the bucket and a limiting cover is embedded in the opening, an elastic rubber layer is arranged on the contact end of the limiting cover with the wear-resistant plate, and the other end of the limiting cover is located outside the bucket and is fixedly connected with the bucket by means of bolts.
[0011] Preferably, the shaft position of the spiral cutter is a roller body, and the surface is a cutting edge, the roller body is located between the inner walls of the two sides of the bucket and is connected with a driving motor, the number of the cutting edges is two groups, the two groups of cutting edges are in opposite spiral structures and extend the same length from the two ends to the center, and a blower is arranged above the convergence of the two groups of cutting edges.
[0012] Preferably, the centralized component comprises a centralized motor, the output end of the centralized motor is fixed with a bidirectional threaded rod, the bidirectional threaded rod has two sections of threads with same length and opposite directions, an active end is formed on any section of thread, and a hollow motor is fixedly arranged on the surface of the active end, the driving end of the hollow motor is connected with a centralized broom, and the axial two ends of the hollow motor form pressure switches.
[0013] Preferably, the front end of the vehicle body is provided with two groups of fixing frames, the fixing frames are rotatably arranged with mechanical arms, the fixing frames are provided with rotating motors, the driving end of the rotating motor is connected with the mechanical arm, the mechanical arm is fixedly connected with a shovel, and the two mechanical arms are connected with a synchronous rod.
[0014] A working method of a municipal road dredging device comprises the following steps: S1, before use, check the wear of the first limiting seat, the second limiting seat and the wear plate, and threadedly detach and replace the components with serious wear, and then perform the next step after checking that there is no error; S2, the scraper part shovels away the sludge, the sludge is first screened by the lower screening roller and is screened by the higher screening roller after being accumulated to a certain height, in the process, the anti-blocking brush moves back and forth to brush away the sludge blocked in the screening hole, the small-particle sludge is guided by the guide plate and is absorbed into the vehicle body by the side absorption pipe, and the large-particle garbage is transported to the next step; S3, the large-particle garbage falls on the wear plate and is crushed by the crushing roller and moves inward to the next step; S4, the crushed garbage is contacted and cut by the spiral cutter and is transported to the next step, and the remaining debris is concentrated in the center position in the spiral direction and is blown off by the air blower; S5, the two centralized brooms are synchronously moved in opposite directions, the brush is located in the downward position when the centralized brooms move toward the center, the centralized brooms are collided with each other, the pressure switch controls the centralized broom to change the moving direction and rotates to the upward position of the brush, so as to concentrate the garbage to the center absorption pipe position and absorb the garbage into the vehicle body.
[0015] Compared with the prior art, the beneficial effects of the present application are: 1. Compared with the prior art, the present application can separate the sludge entering the bucket into small-particle sludge and large-particle garbage through a separation assembly, thereby realizing separation treatment and avoiding the small-particle sludge from adhering to the structure for treating the large-particle garbage, in particular, the small-particle sludge is separated into the screening roller through the screening holes on the surface of the screening roller driven to rotate by the separation motor and contacted with the sludge on the top, and is guided to the side absorption pipe position by the guide plate, and the two screening rollers are arranged at a high and low position, so that the sludge is accumulated at the height difference position and is fully screened by the screening roller, and the anti-blocking brush sliding back and forth is used to clean and unblock the screening holes of the screening roller, and the first and second limiting seats and the sponge are used to elastically seal the two screening rollers to prevent the sludge from penetrating to the bottom, thereby effectively screening the sludge and avoiding the small-particle sludge from adhering around the screening roller.
[0016] 2. The first and second limiting seats are elastically supported to the screening roller on the top by the cooperation of the third arc-shaped part and the first arc-shaped part and the cooperation of the convex part and the inner recessed part, the threaded holes on the two sides of the first and second limiting seats are connected with the bucket by bolts, the first and second limiting seats can be conveniently disassembled and replaced, and the sponge between the two screening rollers can be hooked out from the outside by a bent hook tool and filled with a new sponge from the inside, so that the use is convenient.
[0017] 3. The wear-resistant plate is horizontally limited and fixed by the limiting cover arranged on the surface of the bucket and detachably arranged by bolts, so as to prevent the wear-resistant plate from moving horizontally, and the contact position of the limiting cover with the wear-resistant plate is formed with an elastic rubber layer for buffering, so as to avoid the wear-resistant plate from being frequently collided and contacted with the limiting cover when the wear-resistant plate is rubbed by the garbage in the rolling process, thereby preventing the limiting cover from being damaged.
[0018] 4. The garbage is cut by the cutting edges of the spiral cutter, the cutting edges are two and have the same length and opposite spiral structures, the debris generated in the cutting process moves along the threads and gathers at the center position of the spiral cutter and is blown down by the blower on the top, thereby avoiding the debris from adhering and accumulating to affect the cutting.
[0019] 5. The two hollow motors are reversely moved by the rotation of the bidirectional threaded rod, the bristles of the sweeper are downward when the hollow motor moves to the center, and then the bidirectional threaded rod is reversely rotated to control the two hollow motors to move to the two ends, and at the same time, the hollow motor starts to work, the bristles of the sweeper are upward to avoid sweeping the garbage concentrated at the center to the two sides, and the bristles can sweep the garbage at the bottom of the bucket and are not easy to accumulate at the bottom.
[0020] 6. The mechanical arm is counterclockwise rotated by the rotating motor, so as to drive the front end of the bucket to be upward inclined, and the sludge is guided to move into the bucket under the influence of gravity, thereby avoiding the situation that part of the sludge is accumulated at the bottom of the bucket and does not move into the bucket after the bucket works horizontally for a period of time.
[0021] The present application will be explained in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0022] The accompanying drawings are only used to show the principles, implementation manners, applications, characteristics and effects of the specific embodiments and other related contents of the present application, and cannot be considered as limitations to the present application.
[0023] In the drawings: Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a top view of the overall structure of the present application; Figure 3 is a schematic diagram of the structure of a separation assembly of the present application; Figure 4 is an exploded schematic diagram of the separation assembly of the present application; Figure 5 is a schematic diagram of the dismounting and connecting position structure of the wear plate of the present application; Figure 6 is a schematic diagram of the structure of a central assembly of the present application; Figure 7 is a schematic diagram of the structure around the mechanical arm of the present application; Reference signs: 1, vehicle body; 11, side suction pipe; 12, central suction pipe; 13, mechanical arm; 14, fixing frame; 15, rotating motor; 16, synchronous rod; 2, bucket; 21, scraper part; 22, wear plate; 23, limiting cover; 3, separation assembly; 31, separation motor; 32, screening roller; 33, discharge end; 34, flow guide plate; 35, first limiting seat; 351, first arc-shaped part; 352, protruding part; 36, second limiting seat; 361, second arc-shaped part; 362, third arc-shaped part; 363, concave part; 37, sponge; 38, threaded hole; 4, anti-blocking brush; 5, driving screw rod; 6, rolling roller; 7, spiral cutter; 8, blower; 9, central assembly; 91, central motor; 92, bidirectional threaded rod; 93, connecting shaft; 94, hollow motor; 95, central broom; 96, pressure switch. DETAILED DESCRIPTION
[0024] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations to the present application.
[0025] The technical solutions of the present application will be further described below in conjunction with the accompanying drawings and through specific embodiments.
[0026] As Figures 1 to 7 shown, a municipal road dredging device, comprising a vehicle body 1 and a bucket 2, the bucket 2 is rotatably arranged on the vehicle body 1, the front end of the bucket 2 forms a scraper part 21, the bucket 2 is sequentially provided with a separation assembly 3, a rolling roller 6, a spiral cutter 7 and a concentration assembly 9 from the scraper part 21 position to the inside, the vehicle body 1 is provided with a side suction pipe 11 and a center suction pipe 12, the suction end of the side suction pipe 11 is connected with the separation assembly 3 to absorb the small particle sludge separated by the separation assembly 3, and the suction end of the center suction pipe 12 is connected with the inner side wall of the bucket 2 to absorb the large particle garbage concentrated by the concentration assembly 9.
[0027] The separation assembly 3 comprises a screening roller 32, the surface of the screening roller 32 is circumferentially arrayed to form a plurality of screening holes, the size of the screening control is 3-5mm, so that the small particle sludge flows into the screening roller 32 and the large particle garbage such as gravel and leaves is left on the surface, one side of the screening roller 32 is a discharge end 33, the discharge end 33 is connected with the suction end of the suction pipe 11, the screening roller 32 is provided with a flow guide plate 34, the flow guide plate 34 is spiral-shaped to guide the small particle sludge in the screening roller 32 to flow towards the discharge end 33, the side wall of the bucket 2 is provided with a separation motor 31, the driving end of the separation motor 31 is fixedly connected with the other side of the screening roller 32 to drive the screening roller 32 to rotate and screen.
[0028] The number of the screening roller 32 is two, the separation assembly 3 further comprises a first limiting seat 35 and a second limiting seat 36, the first limiting seat 35 comprises a first arc-shaped part 351 and a protruding part 352, the first arc-shaped part 351 is attached to the surface of one screening roller 32, the second limiting seat 36 comprises a second arc-shaped part 361, a third arc-shaped part 362 and an inner recessed part 363 spliced with the protruding part 352, the third arc-shaped part 362 is at the same horizontal height with the first arc-shaped part 351 and they are spliced to form a semicircular structure, the second arc-shaped part 361 is above the third arc-shaped part 362, the second arc-shaped part 361 is attached to the surface of the other screening roller 32, so that a height difference is formed between the two screening rollers 32, and the sludge is accumulated between the two screening rollers 32 to facilitate the rotation and screening of the two screening rollers 32.
[0029] The surface of the first limiting seat 35 and the second limiting seat 36 is formed with a wear-resistant rubber layer, and when the screening roller 32 rotates to overcome the friction of the wear-resistant rubber layer, the sludge at the top of the screening roller 32 cannot penetrate downward along the connecting gap under the elastic sealing of the wear-resistant rubber layer, and the space between the two screening rollers 32 is also filled with a sponge 37, and the end of the first limiting seat 35 and the second limiting seat 36 away from the screening roller 32 is formed with a threaded hole 38, which is threadedly connected and fixed with the inner wall of the bucket 2, and the bottom of the screening roller 32 is sealed by the first limiting seat 35, the second limiting seat 36 and the sponge 37 to prevent small-particle sludge from penetrating downward, and when the structure is worn and affects the sealing performance, it can be directly and conveniently disassembled and replaced.
[0030] The horizontal upper side of the screening roller 32 is provided with a driving screw 5, the screw end of the driving screw 5 is movably connected with one side wall of the bucket 2, and the motor end is fixed on the side wall on the other side of the bucket 2, the screw end is provided with an anti-blocking brush 4, the anti-blocking brush 4 is prevented from rotating by a key groove between the anti-blocking brush 4 and the screw end, and the diameter of the bristles of the anti-blocking brush 4 is smaller than the diameter of the screening hole, so as to penetrate into the screening hole to prevent sludge from sticking in the screening hole and affecting subsequent screening.
[0031] The bottom of the bucket 2 is slotted and provided with a wear-resistant plate 22 at the position corresponding to the rolling roller 6, the side wall of the bucket 2 is opened and embedded with a limiting cover 23 at the position corresponding to the wear-resistant plate 22, the end of the limiting cover 23 in contact with the wear-resistant plate 22 is provided with an elastic rubber layer, and the other end of the limiting cover 23 is located outside the bucket 2 and is threadedly connected and fixed with the bucket 2 by bolts, so as to facilitate disassembly and replacement of the wear-resistant plate 22.
[0032] The shaft position of the spiral cutter 7 is a roller body, and the surface is a cutting edge, the roller body is located between the two side walls of the bucket 2 and is connected with a driving motor, the number of the cutting edges is two groups, the two groups of cutting edges are in opposite spiral structures and extend the same length from both ends to the center, a Teflon coating is arranged on the non-cutting position of the spiral cutter 7 to prevent debris from adhering to the spiral cutter 7 during the movement of the thread, a blower 8 is arranged above the convergence of the two groups of cutting edges, the air outlet of the blower 8 is vertically downward, a connecting rod is penetratingly arranged on the blower 8 and is fixed between the two side walls of the bucket 2 by the connecting rod.
[0033] The centralized assembly 9 comprises a centralized motor 91, the output end of the centralized motor 91 is fixed with a bidirectional threaded rod 92, the other end of the bidirectional threaded rod 92 is fixed with a connecting shaft 93, the connecting shaft 93 is movably arranged in the bucket 2, the bidirectional threaded rod 92 has two sections of threads with the same length and opposite directions, an active end is formed on any section of thread, and the active end is prevented from rotating by using a key groove between the active end and the bidirectional threaded rod 92, a hollow motor 94 is fixedly arranged on the surface of the active end, the driving end of the hollow motor 94 is connected with a centralized broom 95, the axial two ends of the hollow motor 94 form pressure switches 96, the pressure switches 96 are electrically connected with the centralized motor 91 and the hollow motor 94, so that the centralized motor 91 and the hollow motor 94 work after the pressure switches 96 are pressed from the central position or the two end positions, and the bristles of the centralized broom 95 are downward when the centralized broom 95 moves towards the center, and the bristles are upward when the centralized broom 95 moves towards the two sides.
[0034] The front end of the vehicle body 1 is provided with two groups of fixing frames 14, the fixing frames 14 are rotatably arranged with mechanical arms 13, the fixing frames 14 are provided with rotating motors 15, the driving end of the rotating motor 15 is connected with the mechanical arm 13, the mechanical arm 13 is fixedly connected with the bucket 2, the two mechanical arms 13 are connected with synchronous rods 16, the rotating motor 15 controls the two mechanical arms 13 to synchronously rotate upwards under the cooperation of the synchronous rod 16, so that the front end of the bucket 2 is inclined upwards to guide the accumulated sludge at the bottom to the rear end for subsequent treatment.
[0035] The embodiment synchronously proposes a working method of the municipal road dredging device, comprising the following steps: S1, before use, check the wear of the first limiting seat 35, the second limiting seat 36 and the wear plate 22, and threadedly detach and replace the components with serious wear, and then proceed to the next step after the check is correct; S2, the scraping shovel part 21 shovels the sludge, the sludge is first screened by the low screen roller 32, and is screened by the high screen roller 32 after being accumulated to a certain height, the anti-blocking brush 4 moves back and forth to brush out the sludge blocked in the screen hole, the small particle sludge is guided by the guide plate 34 and is absorbed into the vehicle body 1 by the side absorption pipe 11, and the large particle garbage is transported to the next step; S3, the large particle garbage falls on the wear plate 22 and is crushed by the crushing roller 6 and moves inward to the next step; S4, the crushed garbage is contacted with the spiral cutter 7, cut and transported to the next step, and the residual debris is concentrated to the central position along the spiral direction and blown off by the air blower 8; S5, the two central brooms 95 are synchronously moved reversely, when moving to the center, the brushes are in the downward position, after the two central brooms 95 collide with each other, the pressure switch 96 controls the central broom 95 to change the moving direction and rotate to the upward position of the brush, so as to concentrate the garbage to the central absorption pipe 12 position and absorb into the vehicle body 1.
[0036] It is apparent for a person skilled in the art that the application is not limited to the details of the above described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A municipal road desilting device, comprising a vehicle body (1) and a bucket (2), characterized in that: The bucket (2) is rotatably mounted on the vehicle body (1), and a scraping portion (21) is formed at the front end of the bucket (2). A separation component (3), a crushing roller (6), a spiral cutter (7), and a concentration component (9) are sequentially arranged on the bucket (2) from the outside to the inside starting from the position of the scraping portion (21). A side absorption pipe (11) and a central absorption pipe (12) are arranged on the vehicle body (1). The adsorption end of the side absorption pipe (11) is connected to the separation component (3) to absorb small particles of sludge screened and separated by the separation component (3), and the adsorption end of the central absorption pipe (12) is connected to the inner side wall of the bucket (2) to absorb large particles of garbage collected by the concentration component (9).
2. A municipal road desilting device according to claim 1, characterized in that: The separation assembly (3) includes a screening roller (32), the surface of the screening roller (32) is formed with a plurality of screening holes in a circumferential array to allow small particles of sludge to flow into the screening roller (32), one side of the screening roller (32) is a discharge end (33), and the discharge end (33) is connected to the adsorption end of the absorption tube (11), and a guide plate (34) is provided in the screening roller (32), and the guide plate (34) is spirally shaped to guide the sludge in the screening roller (32) to flow toward the discharge end (33), and a separation motor (31) is provided on the side wall of the shovel head (2), and the driving end of the separation motor (31) is fixedly connected to the other side of the screening roller (32).
3. A municipal road desilting device according to claim 2, characterized in that: There are two screening rollers (32), and the separation assembly (3) further includes a first limiting seat (35) and a second limiting seat (36). The first limiting seat (35) includes a first arcuate portion (351) and a protruding portion (352), wherein the first arcuate portion (351) is in contact with the surface of one screening roller (32), and the second limiting seat (36) includes a second arcuate portion (361), a third arcuate portion (362), and an inner concave portion (363) spliced with the protruding portion (352). The third arcuate portion (362) and the first arcuate portion (351) are located at the same horizontal height and are spliced together to form a semicircular structure. The second arcuate portion (361) is located above the third arcuate portion (362), and the second arcuate portion (361) is in contact with the surface of the other screening roller (32), thereby forming a height difference between the two screening rollers (32).
4. A municipal road desilting device according to claim 3, characterized in that: A wear-resistant rubber layer is formed on the surface of the first limiting seat (35) and the second limiting seat (36). When the screening roller (32) rotates to overcome the friction of the wear-resistant rubber layer, the silt on the top thereof will not penetrate downward along the connection gap due to the elastic sealing of the wear-resistant rubber layer. The space between the two screening rollers (32) is also filled with sponge (37). The first limiting seat (35) and the second limiting seat (36) are formed with threaded holes (38) at one end facing away from the screening roller (32), so as to be threadedly connected to the inner wall of the bucket (2) for disassembly and fixation.
5. The municipal road desilting device according to claim 2, characterized in that: A driving screw (5) is provided horizontally above the screening roller (32), the screw end of the driving screw (5) is movably connected to one side wall of the bucket (2), and the motor end is fixed to the other side wall of the bucket (2), and an anti-clogging brush (4) is provided on the screw end, and the bristles of the anti-clogging brush (4) penetrate into the screening holes of the screening roller (32).
6. The municipal road desilting device according to claim 1, characterized in that: The bottom of the bucket (2) is grooved at a position corresponding to the rolling roller (6) and is provided with a wear-resistant plate (22). The side wall of the bucket (2) is opened at a position corresponding to the wear-resistant plate (22) and is embedded with a limit cover (23). The contact end of the limit cover (23) with the wear-resistant plate (22) is provided with an elastic rubber layer. The other end of the limit cover (23) is located outside the bucket (2) and is threadedly connected to the bucket (2) with bolts.
7. The municipal road desilting device according to claim 1, characterized in that: The axis of the spiral cutter (7) is a roller body, and the surface is a cutting edge. The roller body is located between the inner walls of the bucket (2) and is connected to a drive motor. The number of the cutting edges is two groups. The two groups of cutting edges are spiral structures with opposite directions and extend the same length from both ends to the center. A blower (8) is provided above the junction of the two groups of cutting edges.
8. The municipal road desilting device and the working method thereof according to claim 1 are characterized in that: The centralized component (9) comprises a centralized motor (91), the output end of the centralized motor (91) is fixed with a bidirectional threaded rod (92), the bidirectional threaded rod (92) has two sections of threads of the same length and opposite directions, a movable end is formed on any section of the threads, and a hollow motor (94) is fixedly provided on the surface of the movable end, the driving end of the hollow motor (94) is connected to a centralized broom (95), and pressure switches (96) are formed at both axial ends of the hollow motor (94).
9. The municipal road desilting device according to claim 1, characterized in that: The front end of the vehicle body (1) is provided with two sets of fixing frames (14), a mechanical arm (13) is rotatably provided between the fixing frames (14), a rotating motor (15) is provided on the fixing frames (14), a driving end of the rotating motor (15) is connected to the mechanical arm (13), the mechanical arm (13) is fixedly connected to the bucket (2), and a synchronization rod (16) is connected between the two mechanical arms (13).
10. The operating method of a municipal road desilting device according to any one of claims 1 to 9, characterized in that: The steps include: S1. Check the wear of the first limit seat (35), the second limit seat (36) and the wear-resistant plate (22) before use, and disassemble and replace the threads of the components that are severely worn. After checking that they are correct, proceed to the next step; S2, the scraper part (21) shovels down the silt, and the silt is first screened by the lower screening roller (32) and then screened by the higher screening roller (32) after being accumulated to a certain height. During the process, the anti-clogging brush (4) moves back and forth to brush out the silt blocked in the screening hole. The small particles of silt screened out are absorbed into the vehicle body (1) by the side absorption pipe (11) under the guidance of the guide plate (34), and the large particles of garbage are transported to the next step; S3, large particles of garbage fall on the wear-resistant plate (22), are crushed by the rolling roller (6), and are rolled inward and moved to the next step; S4, the crushed garbage contacts the spiral cutter (7) and is shredded and transported to the next step, and the remaining debris is concentrated to the center position along the spiral direction and blown off by the blower (8); S5, the two centralized brooms (95) move in opposite directions synchronously, and the brushes are located in a downward position when they move toward the center. After the two centralized brooms (95) collide with each other, the pressure switch (96) controls the centralized broom (95) to change the moving direction and rotate to the brush-upward position, so as to collect the garbage to the central absorption pipe (12) and absorb it into the vehicle body (1).