Well lid surface cleaning device for municipal road

Abstract

The invention discloses a municipal road manhole cover surface cleaning device which comprises an annular fixing seat, a fixing cavity is formed in the middle of the annular fixing seat, a plurality of cutting blades capable of horizontally rotating are arranged in the fixing cavity, and a cleaning seat connected with the bottom of the annular fixing seat is arranged below the fixing cavity. A plurality of cleaning holes which are evenly distributed and communicate with the fixing cavity are formed in the cleaning base, a plurality of air holes capable of conveying high-pressure airflow into the fixing cavity are formed in the inner walls of the cleaning holes, and a plurality of conveying holes communicating with the fixing cavity are formed in the top of the annular fixing base; conveying covers covering the peripheral sides of the conveying holes are arranged on the top face of the annular fixing base, and connecting sections which communicate with the conveying holes and can be connected with an external garbage conveying pipeline are arranged at the top ends of the conveying covers. The well lid cleaning device has the characteristics that the cleaning difficulty of garbage blocked on the surface of a well lid is reduced, the cleaning efficiency is higher, the cleaning danger is reduced, and the blocked well lid can be quickly dredged.

Description

TECHNICAL FIELD

[0001] The application belongs to a well lid surface cleaning device for municipal roads, and particularly relates to a well lid surface cleaning device for municipal roads. BACKGROUND

[0002] In modern cities, when it rains heavily, a lot of water accumulates on the road surface. In order to ensure the safety of driving on the road, the drainage system of the road needs to timely drain the rainwater on the road surface. However, a large amount of branches and leaves are carried by the rainwater during the flow of the rainwater. The rainwater flows too quickly, so the branches and leaves are blocked on the surface of the well lid of the drainage well, thereby causing a large amount of water accumulation and making the road difficult to pass. Most of the existing well lids are usually made of nodular cast iron material.

[0003] Therefore, when the road is difficult to pass due to water accumulation, cleaning personnel manually clean the branches and leaves and other garbage on the surface of the well lid at the position of the well lid. The garbage blocked on the surface of the well lid is cleaned by using tools such as pliers and hooks to realize the dredging of the well lid. However, the cleaning is difficult, and a long time is consumed. In the environment of a large amount of water accumulation on the road and in the rainy season, the cleaning personnel have difficulty in borrowing force, and are prone to falling and wrestling and other dangers. In addition, some garbage has a large volume and a heavy quality, so the cleaning is more difficult, and the well lid is difficult to dredge. SUMMARY

[0004] The application aims to provide a well lid surface cleaning device for municipal roads, which solves the problems of great cleaning difficulty, long time consumption, and certain danger in the prior art.

[0005] The above technical purpose of the application is mainly solved by the following technical scheme: a well lid surface cleaning device for municipal roads, comprising an annular fixing seat, a fixing cavity is arranged in the middle of the annular fixing seat, a plurality of horizontally rotatable cutting blades are arranged in the fixing cavity, a cleaning seat connected with the bottom of the annular fixing seat is arranged below the fixing cavity, a plurality of cleaning holes uniformly distributed and communicated with the fixing cavity are arranged on the cleaning seat, a plurality of air holes capable of conveying high-pressure air flow into the fixing cavity are arranged on the inner wall of the cleaning hole, a plurality of conveying holes communicated with the fixing cavity are arranged on the top of the annular fixing seat, a conveying cover covering the side of each conveying hole is arranged on the top surface of the annular fixing seat, and a connecting section communicated with each conveying hole and capable of being connected with an external garbage conveying pipeline is arranged on the top end of the conveying cover.

[0006] As a further preferred technical scheme of the application, an annular positioning seat connected with the bottom of the annular fixing seat is arranged on the outer wall of the cleaning seat, a plurality of vertically arranged clamping grooves are arranged on the inner wall of the annular positioning seat, and a plurality of convex parts matched with the clamping grooves are arranged on the outer wall of the cleaning seat.

[0007] As a further preferred technical solution of the present application, the side of the conveying hole is provided with an annular ventilation cavity inside the cleaning seat, the air hole is obliquely upwardly arranged and communicates with the annular ventilation cavity and the conveying hole, the middle of the cleaning seat is provided with a mounting cavity communicating with each annular ventilation cavity, and the mounting cavity is provided with an air pump.

[0008] As a further preferred technical solution of the present application, the bottom of the mounting cavity is provided with a cover, the air pump is arranged on the end face of the cover, the cover is threadedly connected with the inner wall of the bottom of the mounting cavity, and a sealing ring is arranged between the outer wall of the cover and the inner wall of the mounting cavity.

[0009] As a further preferred technical solution of the present application, the middle of the fixing cavity is provided with a rotating shaft vertically arranged and penetrating through the annular fixing seat upwardly, each cutting blade is uniformly arranged on the side wall of the rotating shaft, and the top of the annular fixing seat is provided with a driving motor connected with the rotating shaft.

[0010] As a further preferred technical solution of the present application, the bottom of the annular positioning seat is provided with an annular fixing shell with an open bottom, the annular fixing shell is internally provided with an electromagnet capable of being magnetically connected with the surface of the manhole cover, the bottom surface of the cleaning seat is higher than the bottom surface of the electromagnet, and a space is formed between the bottom surface of the cleaning seat and the surface of the manhole cover.

[0011] As a further preferred technical solution of the present application, the bottom of the annular positioning seat is provided with an annular supporting block capable of being elastically moved upwardly and downwardly outside the annular fixing shell, and the annular supporting block is internally provided with a groove capable of being matched with the outer edge of the manhole cover.

[0012] As a further preferred technical solution of the present application, the top of the annular supporting block is provided with an annular limiting groove, the bottom of the annular positioning seat is provided with an annular limiting block located in the annular limiting groove, the end of the annular limiting block is provided with an outer convex part abutting against the side wall of the annular limiting groove, the opening of the annular limiting groove is provided with an inner convex part abutting against the side wall of the annular limiting block, and a plurality of extension springs connected with the annular limiting block are arranged in the annular limiting groove.

[0013] As a further preferred technical solution of the present application, the outer wall of the annular fixing seat is provided with an annular supporting plate, two symmetrically arranged screw rods are arranged through the annular supporting plate, the screw rods are threadedly connected with the annular supporting plate, a plurality of driving handles are arranged on the upper end of the screw rods, and a supporting disc is arranged on the lower end of the screw rods.

[0014] As a further preferred technical solution of the present application, the inside of the conveying cover is provided with a plurality of conveying channels communicating with the conveying holes, a shunt rib is arranged between every two conveying holes, the bottom of the shunt rib is arranged in an arc-shaped structure, and the inner side of the connecting section is provided with a mounting hole communicating with each conveying channel and capable of being connected with an external garbage conveying channel.

[0015] Therefore, the application has the characteristics of reducing the difficulty of cleaning the garbage blocking the surface of the well lid, being higher in cleaning efficiency, reducing the danger of cleaning, and quickly dredging the blocked well lid. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the application; Figure 2 is a structural sectional view of Figure 1 ; Figure 3 is a structural sectional view of Figure 1 ; Figure 4 is an exploded schematic diagram of the cooperation of the cleaning seat and the annular positioning seat in Figure 1 ; Figure 5 is a partial structural sectional view of Figure 4 ; DETAILED DESCRIPTION

[0017] The technical solutions of the application will be further specifically described below by examples in combination with the drawings.

[0018] As Figures 1-2As shown, a kind of municipal road well lid surface cleaning device, including annular fixed seat 1, the middle part of annular fixed seat 1 is equipped with fixed cavity 11, multiple horizontally rotatable cutting blades 12 are equipped in fixed cavity 11, cutting blade 12 is prior art, here no longer repeat, each cutting blade 12 is combined to form cutting blade group, can be cut and broken by horizontal rotation to the rubbish such as branch and leaf entering in fixed cavity 11, reduce the volume of rubbish, to facilitate with the rapid transport of accumulated water, avoid blocking external rubbish transport pipeline, improve cleaning efficiency, fixed cavity 11 below is equipped with the cleaning seat 2 being connected with the bottom of annular fixed seat 1, cleaning seat 2 is connected with the bottom of annular fixed seat 1 below fixed cavity 11, cleaning seat 2 is equipped with multiple cleaning holes 21 being evenly distributed and being communicated with fixed cavity 11, cleaning hole 21 is used for the rubbish such as branch and leaf accumulated on well lid surface to pass into fixed cavity 11, the setting of multiple cleaning holes 21 can improve cleaning efficiency, and multiple cleaning holes 21 are set, can shunt and transport rubbish, avoid that too much rubbish is entered in fixed cavity 11 once, and cutting blade 12 cannot completely break rubbish, influence the cleaning efficiency of rubbish, or cause that fixed cavity 11 is blocked, reduce the broken burden of cutting blade 12 in fixed cavity 11 to rubbish, multiple gas holes 211 that can transport high-pressure airflow into fixed cavity 11 are equipped on the inner wall of cleaning hole 21, high-pressure airflow is transported into fixed cavity 11 by gas hole 211, so that the negative pressure environment is formed in cleaning hole 21, can quickly and efficiently suck and transport the rubbish accumulated on the surface of well lid, and strengthen the cleaning intensity of the rubbish accumulated on the surface of well lid, the high-pressure airflow in gas hole 211 flows upwards, can avoid that the mixture of transported rubbish and accumulated water is blocked in gas hole 211, so as to ensure that gas hole 211 is unobstructed when cleaning rubbish, the top of annular fixed seat 1 is equipped with multiple transport holes 13 being communicated with fixed cavity 11, transport hole 13 can quickly transport the broken rubbish and accumulated water in fixed cavity 11, and the setting of multiple transport holes 13, can shunt and transport the broken rubbish and accumulated water, reduce the transport pressure of transport hole 13 and transport cover 14, reduce the impact force of transport hole 13 and transport cover 14, prolong the service life of component, the top surface of annular fixed seat 1 is equipped with transport cover 14 being covered in the periphery of each transport hole 13, transport cover 14 is covered in the periphery of each transport hole 13, forms the surrounding cage of each transport hole 13, so that the broken rubbish and accumulated water in fixed cavity 11 can enter transport cover 14 through each transport hole 13 to realize quick transport, the top of transport cover 14 is equipped with the connecting section 141 being communicated with each transport hole 13 and being connectable with external rubbish transport pipeline, connecting section 141 can be connected with external rubbish transport pipeline, so that the rubbish and accumulated water in transport cover 14 can be transported to outside through connecting section 141, realize the effect of cleaning and transport, avoid that rubbish and accumulated water are blocked in well lid twice.

[0019] In the rainy season, the road cover in the city is easy to be blocked, causing a large amount of water accumulation, making the road difficult to pass. The device can be placed on the top of the cover, and the cleaning seat is just above the cover. When the high-pressure gas flow enters the fixed cavity 11 from the air hole 211, a negative pressure environment is formed in the cleaning hole 21, and the accumulated garbage such as branches and leaves on the cover and the accumulated water are sucked together, and the accumulated garbage such as branches and leaves on the cover and the accumulated water are quickly transported into the fixed cavity 11. The branches, leaves and other garbage and water in the fixed cavity 11 are quickly cut and broken by each cutting blade 12. The broken garbage and water flow through the conveying hole 13 along the conveying cover 14 and are conveyed to the outside garbage conveying pipeline, so as to realize the rapid cleaning of the accumulated garbage such as branches and leaves on the cover and the accumulated water, and part of the accumulated water can be sucked and cleaned, reducing the accumulation of water on the road. At the same time, manual operation is not required, automatic cleaning is realized, the cleaning difficulty is reduced, the cleaning efficiency is improved, and the danger to the cleaning personnel is effectively avoided.

[0020] As shown in Figure 3 The outer wall of the cleaning seat 2 is provided with an annular positioning seat 3 connected with the bottom of the annular fixed seat 1. The annular positioning seat 3 is arranged on the side of the cleaning seat 2 to fix the cleaning seat 2. A plurality of vertical clamping grooves 31 are arranged on the inner wall of the annular positioning seat 3. A plurality of protrusions 22 are arranged on the outer wall of the cleaning seat 2 and matched with the clamping grooves 31. The cleaning seat 2 is clamped by the protrusions 22 on the outer wall and the clamping grooves 31 of the annular positioning seat 3, so as to realize the circumferential positioning of the cleaning seat 2 and ensure the structural stability of the cleaning seat 2.

[0021] As shown in Figure 2 and 4As shown, the side of the delivery hole 13 corresponds to the inside of the cleaning seat 2 is provided with an annular ventilation chamber 23, the annular ventilation chamber 23 communicates with each air hole 211 in the cleaning hole 21, so that the high pressure gas flow along the annular ventilation chamber 23 from the air hole 211 output, air hole 211 is arranged obliquely upward and communicated with the annular ventilation chamber 23 and delivery hole 13, air hole 211 is arranged obliquely upward, so that the high pressure gas flow can drive the garbage and accumulated water into the fixed cavity 11, and through the oblique upward flow of gas to avoid garbage and accumulated water into the air hole 211 caused by blockage, the middle of the cleaning seat 2 is provided with an installation cavity 24 communicated with each annular ventilation chamber 23, the installation cavity 24 communicates with each annular ventilation chamber 23, the installation cavity 24 is provided with a gas pump 25, the gas pump 25 is prior art, this place no longer elaborated, the gas pipe of the gas pump 25 can be arranged in the wall thickness of each part and extended to the top and the outside environment to communicate, in order to output high pressure gas flow, the gas pump 25 outputs high pressure gas flow into the installation cavity 24, the high pressure gas flow along the annular ventilation chamber 23 from each air hole 211, forming the negative pressure environment inside the cleaning hole 21, the bottom of the installation cavity 24 is provided with a cover 241, the gas pump 25 is arranged on the end face of the cover 241, the cover 241 is threadedly connected with the inner wall of the bottom of the installation cavity 24, the gas pump 25 is fixed on the cover 241 to ensure the position stability of the gas pump 25, the cover 241 is threadedly connected with the bottom of the installation cavity 24, in order to facilitate the quick installation of the gas pump 25, the outer wall of the cover 241 and the inner wall of the installation cavity 24 are provided with a sealing ring, which can enhance the sealing between the cover 241 and the installation cavity 24, to avoid garbage and accumulated water into the installation cavity 24.

[0022] As shown in Figure 2 and 4 As shown, the middle of the fixed cavity 11 is provided with a rotating shaft 15 vertically arranged and upwardly through the annular fixed seat 1, the rotating shaft 15 is rotatably arranged in the fixed cavity 11, the upper end of the rotating shaft 15 is arranged in the top of the annular fixed seat 1, the lower end of the rotating shaft 15 is rotatably connected with the top surface of the cleaning seat 2, each cutting blade 12 is uniformly arranged on the side wall of the rotating shaft 15, the top of the annular fixed seat 1 is provided with a driving motor 16 connected with the rotating shaft 15, the driving motor 16 can drive the rotating shaft 15 to rotate when started, the rotating shaft 15 can drive each cutting blade 12 to rotate synchronously, and the garbage such as branches and leaves accumulated on the manhole cover in the fixed cavity 11 is cut and broken.

[0023] As shown in Figures 4-5As shown, the bottom of the annular positioning seat 3 is provided with an annular fixed housing 32 with an open bottom, the annular fixed housing 32 is formed on the bottom of the annular positioning seat 3 to be fixed, when the annular positioning seat 3 is located on the manhole cover, the annular fixed housing 32 is located on the top surface of the edge of the manhole cover, the annular fixed housing 32 is provided with an electromagnet 321 which can be magnetically connected with the surface of the manhole cover, the electromagnet 321 is a prior art, and the magnetic attraction and cancellation can be started by electric control, most of the manhole covers on the market are made of nodular cast iron material, which can produce magnetic attraction effect with magnetic material, the opening at the bottom of the annular fixed housing 32 exposes the magnetic attraction part of the electromagnet 321, when the annular fixed housing 32 is located on the manhole cover, the electromagnet 321 is started, so that the electromagnet 321 can be magnetically connected with the manhole cover, the annular positioning seat 3, the cleaning seat 2 and the annular fixed seat 1 are quickly connected and fixed with the manhole cover, which avoids loosening of the cleaning seat 2 during cleaning, and ensures the stability during cleaning, the bottom surface of the cleaning seat 2 is higher than the bottom surface of the electromagnet 321, and an interval is formed between the bottom surface of the cleaning seat 2 and the surface of the manhole cover, which can avoid the cleaning seat 2 being pressed on the surface of the manhole cover to cause some garbage to be difficult to be sucked and transported by the cleaning hole 21, and increase the flowability of the accumulated garbage and accumulated water on the manhole cover, so as to facilitate the quick and efficient suction and transportation of the accumulated garbage and accumulated water on the manhole cover by the cleaning hole 21.

[0024] As Figures 4-5As shown, the bottom of the annular positioning seat 3 corresponds to the outside of the annular fixed shell 32 and is provided with an annular support block 33 which can move up and down elastically. The annular support block 33 is adapted to the outer diameter of the commonly used manhole cover. When cleaning, the annular support block 33 is located at the periphery of the manhole cover. The inner side of the annular support block 33 can cooperate with the outer side of the manhole cover. The top of the annular support block 33 is provided with an annular limiting groove 331. The bottom of the annular positioning seat 3 is provided with an annular limiting block 34 located in the annular limiting groove 331. The annular support block 33 is connected with the annular limiting block 34 through the annular limiting groove 331 to form a movable connection with the bottom of the annular positioning seat 3. When the electromagnet 321 is magnetically connected with the manhole cover, the annular support block 33 keeps in contact with the ground. At the same time, the annular support block 33 moves up synchronously through the annular limiting block 34 and the annular limiting groove 331 to adapt to the connection of the electromagnet 321 with the manhole cover and the contact of the annular support block 33 with the ground. The annular support block 33 can move adaptively according to the height of the manhole cover protruding from the ground to ensure that the electromagnet 321 can be stably magnetically connected with the surface of the manhole cover. The end of the annular limiting block 34 is provided with an outer protrusion 341 which abuts against the side wall of the annular limiting groove 331. The opening of the annular limiting groove 331 is provided with an inner protrusion 332 which abuts against the side wall of the annular limiting block 34. The outer protrusion 341 and the inner protrusion 332 are matched to facilitate the sliding limiting of the annular limiting block 34 and the annular limiting groove 331 to realize the movable connection of the annular support block 33 and avoid the disconnection of the annular support block 33. A plurality of extension springs 333 connected with the annular limiting block 34 are arranged in the annular limiting groove 331. The arrangement of the extension springs 333 enables the annular support block 33 to be automatically reset to facilitate the repeated operation of the annular support block 33 and increase the buffering effect when the device is placed on the ground.

[0025] As shown in the drawings, Figures 1-2 The outer wall of the annular fixing seat 1 is provided with an annular support plate 4. The annular support plate 4 is fixed to the side wall of the annular fixing seat 1. Two symmetrically arranged screw rods 41 are arranged through the annular support plate 4. The screw rods 41 are threadedly connected with the annular support plate 4. The two symmetrically arranged screw rods 41 are arranged through the annular support plate 4 to form a threaded cooperation. A plurality of driving handles 411 are arranged on the upper end of the screw rod 41. A support disc 412 is arranged on the lower end of the screw rod 41. After the garbage on the manhole cover is cleaned, water still exists. There is a possibility that the bottom of the cleaning seat 2 is adsorbed with the water. If the device cannot be moved, the driving handle 411 can be held and the screw rod 41 can be rotated. The support disc 412 at the bottom of the screw rod 41 gradually contacts the ground and the screw rod 41 is continuously rotated. The annular support plate 4 moves upward relative to the screw rod 41 to lift the annular fixing seat 1. The device is quickly and effectively separated from the manhole cover to facilitate the movement of the device with less labor.

[0026] As shown in the drawings, Figure 4As shown, the conveying cover 14 is internally provided with a plurality of conveying channels 142 communicated with the conveying holes 13, each conveying channel 142 in the conveying cover 14 is communicated with each conveying hole 13 respectively, so as to convey the broken garbage and accumulated water in a shunt manner, the shunt ribs 131 are formed between each two conveying holes 13, the bottom of the shunt rib 131 is provided in an arc structure, the shunt rib 131 can shunt the broken garbage and accumulated water quickly, the arc structure of the bottom of the shunt rib 131 can improve the shunt efficiency, avoid that part of the garbage is blocked at the bottom of the shunt rib 131 to form accumulation and is difficult to clean and convey, ensure the shunt quality of the garbage, the inner side of the connecting section 141 is provided with the mounting holes 143 communicated with each conveying channel 142 and connectable with the external garbage conveying channel, the mounting holes are communicated with each conveying channel 142 and connected with the external garbage conveying channel, so that the garbage and accumulated water can enter the external garbage conveying channel along the conveying channel 142 to be conveyed and cleaned externally.

[0027] The above embodiments are the preferred implementation of the present application, in addition to this, the present application can be implemented in other ways, without departing from the technical scheme concept, any obvious replacement within the protection scope of the present application.

Claims

1. A surface cleaning device for a manhole cover of a municipal road, characterized by: The utility model provides a garbage cutting and conveying device, including annular fixed seat (1), the middle part of annular fixed seat (1) is equipped with fixed cavity (11), be equipped with a plurality of horizontal rotatable cutting blade (12) in fixed cavity (11), fixed cavity (11) below is equipped with with the bottom of annular fixed seat (1) is connected and is cleaned seat (2), be equipped with a plurality of evenly distributed and with fixed cavity (11) intercommunication's cleaning hole (21) on cleaned seat (2), be equipped with a plurality of the air hole (211) of the inner wall on cleaning hole (21) can be transported high pressure gas flow to fixed cavity (11) inside, the top of annular fixed seat (1) is equipped with a plurality of with fixed cavity (11) intercommunication's delivery hole (13), the top surface of annular fixed seat (1) is equipped with cover is located in each delivery hole (13) periphery's delivery cover (14), the top of delivery cover (14) is equipped with with each delivery hole (13) intercommunication and can be connected with external's garbage delivery pipeline's connecting section (141).

2. The surface cleaning apparatus for a manhole cover of a municipal road according to claim 1, characterized by: The outer wall of the cleaning seat (2) is provided with an annular positioning seat (3) connected with the bottom of the annular fixed seat (1), the inner wall of the annular positioning seat (3) is provided with a plurality of vertically arranged clamping grooves (31), and the outer wall of the cleaning seat (2) is provided with a plurality of convex portions (22) matched with the clamping grooves (31).

3. The surface cleaning apparatus for a manhole cover of a municipal road according to claim 1, characterized in that: The periphery of the delivery hole (13) is provided with an annular air passage (23) corresponding to the inside of the cleaning seat (2), the air hole (211) is obliquely arranged upward and is communicated with the annular air passage (23) and the delivery hole (13), and the middle part of the cleaning seat (2) is provided with an installation cavity (24) communicated with each annular air passage (23). The installation cavity (24) is provided with an air pump (25).

4. The surface cleaning apparatus for a manhole cover of a municipal road according to claim 3, characterized by: The bottom of the installation cavity (24) is provided with a cover (241), the air pump (25) is arranged on the end face of the cover (241), the cover (241) is threadedly connected with the inner wall of the bottom of the installation cavity (24), and a sealing ring is arranged between the outer wall of the cover (241) and the inner wall of the installation cavity (24).

5. The surface cleaning apparatus of claim 1, wherein: The middle part of the fixed cavity (11) is provided with a rotating shaft (15) vertically arranged and penetrating upward through the annular fixed seat (1), and each cutting blade (12) is uniformly arranged on the side wall of the rotating shaft (15). The top of the annular fixed seat (1) is provided with a driving motor (16) connected with the rotating shaft (15).

6. The surface cleaning apparatus of claim 1, wherein: The bottom of the annular positioning seat (3) is provided with an annular fixed shell (32) with an open bottom, the annular fixed shell (32) is provided with an electromagnet (321) magnetically connected with the surface of the well lid, the bottom surface of the cleaning seat (2) is higher than the bottom surface of the electromagnet (321), and a space is formed between the bottom surface of the cleaning seat (2) and the surface of the well lid.

7. The surface cleaning apparatus of claim 6, wherein: The bottom of the annular positioning seat (3) is provided with an annular supporting block (33) which can be elastically moved up and down corresponding to the outer side of the annular fixed shell (32), and the annular supporting block (33) is arranged along the outer edge of the well lid.

8. The surface cleaning apparatus for a manhole cover of a municipal road according to claim 7, characterized by: The annular support block (33) is provided with an annular limiting groove (331) on the top, the annular positioning seat (3) is provided with an annular limiting block (34) in the annular limiting groove (331) on the bottom, the annular limiting block (34) is provided with an outer convex part (341) at the end abutting against the sidewall of the annular limiting groove (331), the annular limiting groove (331) is provided with an inner convex part (332) at the opening abutting against the sidewall of the annular limiting block (34), and the annular limiting groove (331) is provided with a plurality of elastic springs (333) connected with the annular limiting block (34).

9. The surface cleaning apparatus of claim 1, wherein: The annular fixing seat (1) is provided with an annular support plate (4) on the outer wall, two symmetrically arranged screw rods (41) are arranged on the annular support plate (4) and are in threaded connection with the annular support plate (4), a plurality of driving handles (411) are arranged on the upper end of the screw rod (41), and a support disc (412) is arranged on the lower end of the screw rod (41).

10. The surface cleaning apparatus of claim 1, wherein: The conveying cover (14) is internally provided with a plurality of conveying channels (142) in communication with the conveying holes (13), and a shunt rib (131) is formed between every two conveying holes (13), the bottom of the shunt rib (131) is provided in an arc-shaped structure, and the inner side of the connecting section (141) is provided with a mounting hole (143) in communication with each conveying channel (142) and connectable with an external garbage conveying channel.

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