CN111359286A

CN111359286A - Automatic garbage collection box replacement mechanism, sewage treatment device and sewage treatment method

Info

Publication number: CN111359286A
Application number: CN202010301769.2A
Authority: CN
Inventors: 林广华
Original assignee: Zhongshan Xiangshi Machinery Equipment Co Ltd
Current assignee: Zhongshan Xiangshi Machinery Equipment Co Ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-07-03

Abstract

The invention discloses an automatic garbage collection box replacing mechanism, a sewage treatment device and a sewage treatment method, wherein the automatic garbage collection box replacing mechanism comprises a movable bearing platform arranged on a base, an elastic supporting mechanism is arranged between the movable bearing platform and the base, a conveying rail is arranged on one side of the movable bearing platform, an intercepting mechanism is arranged in the conveying rail, a shifting mechanism is arranged on the base, a backward driving mechanism is arranged on the base, a resetting mechanism is arranged between the shifting mechanism and the base, a resetting device is arranged between the intercepting mechanism and the conveying rail, and a pushing mechanism is arranged between the shifting mechanisms of the movable bearing platform. The automatic garbage collection box has a simple structure, can utilize the self weight, can automatically replace the garbage collection box, has a good filtering effect, can extrude and dewater the garbage sent out by the filtering device, effectively prevents secondary pollution, and can automatically replace the garbage collection box, thereby effectively improving the sewage treatment efficiency. The method has simple process and convenient operation.

Description

Automatic garbage collection box replacement mechanism, sewage treatment device and sewage treatment method

Technical Field

The invention relates to the field of sewage treatment, in particular to an automatic garbage collection box replacing mechanism for sewage treatment, and also relates to a sewage treatment device comprising the automatic garbage collection box replacing mechanism; the invention also relates to a method for treating sewage by adopting the sewage treatment device.

Background

The sewage treatment equipment is an industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, prevents sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development.

In industrial wastewater or domestic sewage, a large amount of solid substances often exist, so that in the sewage treatment process, the solid substances in the sewage need to be filtered firstly so as not to block sewage treatment equipment.

The invention discloses a sewage treatment device which is a Chinese patent with an authorization publication number of CN107233761B and comprises a bracket, a roller with sieve holes distributed on the periphery, a filter screen, a slag scraping component, a transmission component and a motor. Scrape the sediment subassembly and be located the cylinder, in time scraping the waste residue collecting tray on the filter screen to the pile up and block up, make cylinder and filter screen need not often change, can use for a long time continuously, consequently can practice thrift the cost, improve work efficiency.

However, in the above-mentioned technology, the waste residue collecting tray is located in the drum, and when the waste residue collecting tray is full, the waste residue collecting tray needs to be manually drawn out from the drum for replacement. And because the waste residue collecting tray is in the cylinder, the rubbish scraped into the waste residue collecting tray still contacts with sewage before being taken out, thereby causing the water content in the rubbish to be relatively high, in other words, when the waste residue collecting tray is taken out from the cylinder, a part of sewage can be taken out of the cylinder, thereby causing secondary pollution.

In addition, the residue scraping component in the technology can only scrape the garbage on the inner surface of the filter screen and send the garbage into the residue collecting disc, and the smaller meshes cannot be dredged. As is well known, the filter screen is after using a period of time, and the dirt can deposit at the mesh outer wall to cause the mesh to block up, though can clear up the rubbish on filter screen surface through scraping the sediment subassembly, but at the clearance process, often scrape tiny rubbish like the mesh in easily, cause the jam, influence the filter effect.

Therefore, a mechanism capable of automatically replacing the garbage collection box is needed, and the existing sewage treatment device is to be further improved.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the automatic garbage collection box replacing mechanism which is simple in structure and can automatically replace a garbage collection box by utilizing the self weight.

The invention also provides a sewage treatment device comprising the automatic garbage collection box replacing mechanism, which has good filtering effect, can extrude and dewater garbage sent by the filtering device, effectively prevents secondary pollution, and can automatically replace the garbage collection box, thereby effectively improving the sewage treatment efficiency.

The invention also aims to provide a method for treating sewage by adopting the sewage treatment device, which has simple process and convenient operation.

In order to achieve the above object, the present invention adopts the following means for a filter device: the utility model provides an automatic mechanism of changing of garbage collection box, including the base, its characterized in that: a movable bearing platform is arranged on the base, an elastic supporting mechanism is arranged between the movable bearing platform and the base, one side of the movable bearing platform is provided with a conveying track which inclines towards the movable bearing platform, an intercepting mechanism is arranged in the conveying track, a toggle mechanism which can drive the interception mechanism to open or close is arranged on the base, a backward driving mechanism which can drive the toggle mechanism to move backward when the movable bearing platform is pressed down is arranged on the base, a reset mechanism which can lead the toggle mechanism to move forwards so as to lead the interception mechanism to open the interception is arranged between the toggle mechanism and the base, a reset device which can reset the interception mechanism is arranged between the interception mechanism and the conveying track, and a push-out mechanism which can push the garbage collection box on the movable bearing platform forward when the shifting mechanism is reset forward and moves is arranged between the shifting mechanisms of the movable bearing platform.

As another improvement of the automatic garbage collection box replacing mechanism, the elastic supporting mechanism comprises a supporting seat platform fixedly arranged on the base, a telescopic rod is arranged on the supporting seat platform, the upper end of the telescopic rod is fixedly connected to the middle of the bottom surface of the movable bearing platform, the lower end of the telescopic rod is fixedly arranged on the supporting seat platform, supporting springs are sleeved outside the telescopic rod and the supporting seat platform, the upper ends of the supporting springs are pressed against the bottom surface of the movable bearing platform, and the lower ends of the supporting springs are pressed against the base or the supporting seat platform.

As another improvement of the automatic garbage collection box replacing mechanism, the intercepting mechanism comprises a mounting groove hole formed on the conveying track, the length direction of the mounting groove hole is perpendicular to the length direction of the conveying track, a rotatable arc-shaped intercepting block is movably arranged in the mounting groove hole along the length direction, a shaft hole penetrating through the side wall of the conveying track is formed in one side of the mounting groove hole along the length direction, a connecting convex shaft is arranged in the other side of the mounting groove hole along the length direction, an inserting shaft is arranged on one side of the arc-shaped intercepting block, the inserting shaft penetrates through the shaft hole and extends out of the side wall of the conveying track, a shaft sleeve coaxially arranged with the inserting shaft is arranged on the other side of the arc-shaped intercepting block, the connecting convex shaft is inserted in the shaft sleeve, a limiting notch is formed in the shaft sleeve, a positioning lug is arranged on the outer wall of the connecting convex shaft, and the positioning lug is, the lower part of the arc-shaped surface of the arc-shaped interception block is provided with a toggle groove matched with the toggle mechanism.

The reset device comprises a coil spring, the coil spring is sleeved on an insertion shaft outside the side wall of the conveying track, a positioning convex column is arranged on the side wall of the conveying track, the outer end of the coil spring is fixedly connected to the positioning convex column, a clamping hook is arranged at the inner end of the coil spring, a abdicating groove is arranged at the outer end of the insertion shaft, the inner end of the coil spring is arranged in the abdicating groove, a positioning clamping plate is arranged at the position, corresponding to the abdicating groove, of the inner wall of the outer end of the insertion shaft, and the clamping hook is clamped on the positioning clamping plate.

The invention relates to another improvement of an automatic garbage collection box replacement mechanism, which comprises a support frame, wherein a guide rail is arranged on the support frame, a sliding seat is movably arranged on the guide rail, a fixed deflector rod is arranged at the upper end of the sliding seat, a hinged seat is arranged at the upper end of the fixed deflector rod, a movable deflector rod is hinged in the hinged seat, a positioning baffle plate capable of preventing the movable deflector rod from rotating towards the rear side is arranged at the rear side of the hinged seat, a mounting notch is arranged at the hinged position of the movable deflector rod and the hinged seat, and a torsion spring capable of enabling the movable deflector rod to reset upwards is arranged in the mounting notch.

As another improvement of the automatic garbage collecting box replacing mechanism of the invention, the retreating driving mechanism comprises a first supporting seat and a second supporting seat which are arranged on the front side and the rear side of the base at intervals, a main gear is arranged on the first supporting seat, a main belt pulley is arranged on the outer side of the main gear, a secondary belt pulley is arranged on the second supporting seat, a secondary gear is arranged on the outer side of the secondary belt pulley, a driving belt is sleeved on the main belt pulley and the secondary belt pulley, a driving rack which can be meshed with the main gear is arranged at the position of the movable bearing platform corresponding to the main gear, a transmission rack which can be meshed with the secondary gear is arranged on the shifting mechanism along the moving direction, a T-shaped positioning guide block is arranged on the inner side of the transmission rack, a T-shaped longitudinal abdicating groove is arranged on the shifting mechanism, and the T-shaped positioning guide block is movably arranged in the T-shaped longitudinal abd, the T type location guide block up end and T type are equipped with the vice spring that resets between vertically stepping down the groove up end be equipped with first guide holder on the base of second supporting seat rear side be equipped with the first direction inclined plane that enables the rack rebound on the leading flank on first guide holder upper portion, be equipped with the second guide holder on first supporting seat upper portion be equipped with the second direction inclined plane that enables the rack downstream on the trailing flank of second guide holder lower part toggle mechanism and the corresponding one side of rack from top to bottom correspond and be equipped with first locating hole and second locating hole the rack is equipped with the elastic locating pearl that enables the rack location in first locating hole department or second locating hole department towards toggle mechanism one side.

As another improvement of the automatic garbage collection box replacing mechanism, the reset mechanism comprises a positioning seat arranged on the rear side of the base, a first guide post is arranged on the front side surface of the positioning seat, a second guide post is arranged at the position of the shifting mechanism corresponding to the first guide post, and a reset main spring is sleeved on the first guide post and the second guide post.

As another improvement of the automatic garbage collection box replacement mechanism, the push-out mechanism comprises a push rod arranged at the front end of the toggle mechanism, and a abdicating accommodating groove is formed in the position, corresponding to the push rod, on the rear side of the movable bearing platform.

In order to achieve the above object, the present invention adopts the following scheme: the utility model provides a sewage treatment device, includes the casing, its characterized in that: the garbage collecting box automatic replacing device is characterized in that a filtering device is arranged in one side of the casing, a water inlet pipe communicated with a water inlet end of the filtering device is arranged at the upper part of the casing, the garbage collecting box automatic replacing mechanism as claimed in any one of claims is arranged at the other side of the casing, a garbage conveying mechanism capable of conveying garbage discharged by the filtering device to the garbage collecting box automatic replacing mechanism is arranged in the casing between the filtering device and the garbage collecting box automatic replacing mechanism, an outlet capable of allowing the garbage collecting box to pass through is arranged at the front side of the casing, and a discharging slide way for assisting the garbage collecting box to be discharged is arranged on the outer side.

As another improvement of the sewage treatment device, the filtering device comprises a shell, and is characterized in that: be equipped with the water pipe in the casing water pipe upside is equipped with the water inlet the cover is equipped with the filtration drum on the water pipe filter drum and be provided with a plurality of filter chambers along the circumferencial direction interval on the corresponding position of water inlet the filter chamber bottom is equipped with the filter screen the casing downside is equipped with the scum hole with the corresponding position of filter chamber be equipped with in the water pipe and carry out clear clean mechanism to the filter screen be equipped with the first actuating mechanism that can drive the filtration drum and rotate fixed angle outward the casing.

In order to achieve the above object, the present invention adopts the following scheme with respect to a sewage treatment method:

a method for treating sewage by using the sewage treatment device, which is characterized by comprising the following steps:

s1, conveying the sewage to be treated to a water inlet of a filtering device through a water inlet pipe on the upper part of the machine shell for filtering;

s2, monitoring the water level change in the water inlet pipe, controlling the first driving mechanism to work when the water level continuous position is at a higher position, enabling the filtering device to rotate to switch the filtering cavity, and driving the second driving mechanism to drive the cleaning mechanism to clean and dredge the filtering cavity at the slag discharge port; and drives the garbage conveying mechanism to rotate a certain distance towards the garbage collection box;

s3, controlling the extrusion mechanism to extrude and dewater the garbage on the garbage conveying mechanism, and conveying the extruded and dewatered garbage into a garbage collection box when the garbage conveying mechanism rotates next time;

and S4, when the garbage of the garbage collection box reaches a preset weight, the garbage collection box moves downwards against the support of the elastic support mechanism, the backward driving mechanism is driven to move backwards, the shifting mechanism crosses the intercepting mechanism, the reset mechanism is controlled to drive the shifting mechanism to shift the intercepting mechanism forwards to open the intercepting mechanism, the garbage collection box on the conveying track moves towards the movable bearing platform, and after the shifting mechanism crosses the intercepting mechanism, the intercepting mechanism is reset to close, and the push-out mechanism is controlled to push the garbage collection box on the movable bearing platform out of the outlet on the machine shell to send the garbage collection box out of the discharge slideway.

In summary, compared with the prior art, the invention has the beneficial effects that: the automatic garbage collection box replacing mechanism in the sewage treatment device can utilize the weight change of garbage in the garbage collection box to realize automatic garbage collection box replacement, and has the advantages of simple structure, convenience in use, effective energy conservation, environmental friendliness and practicability; the filtering device in the sewage treatment device is simple in structure, the filtering cylinder is provided with the plurality of filtering cavities, different filtering cavities can be switched according to the water level change at the water inlet, garbage in the filtering cavities can be output through the slag discharge port, and meshes of the filtering net are cleaned and dredged through the cleaning mechanism, so that the next filtering effect is effectively guaranteed; the sewage treatment equipment has the advantages of simple structure, convenience in use and good filtering effect, can effectively clear and collect the garbage of the filtering device, can extrude and dewater the garbage before entering the garbage collecting box, effectively prevents secondary pollution and effectively improves the storage capacity of the garbage collecting box; fourthly, the sewage treatment method has the advantages of simple process, convenient operation, high filtration efficiency and good filtration effect.

Drawings

FIG. 1 is a perspective view of a sewage treatment apparatus according to the present invention.

FIG. 2 is a perspective view of the other side of the sewage treatment apparatus of the present invention.

Fig. 3 is a schematic top view of fig. 1.

Fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic cross-sectional view of B-B in fig. 3.

Fig. 6 is a schematic cross-sectional view of C-C in fig. 3.

Fig. 7 is a schematic view of the automatic garbage collection box replacing mechanism of the present invention.

Fig. 8 is a schematic view of another angle of fig. 7.

Fig. 9 is a perspective view of the toggle mechanism of the present invention.

Fig. 10 is a schematic view of another angle of fig. 9.

FIG. 11 is a schematic view of a filter device and an extrusion mechanism of the present invention.

FIG. 12 is a schematic view of a filtration apparatus of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: an automatic garbage collecting box replacing mechanism comprises a base 24, a movable bearing platform 25 is arranged on the base 24, an elastic supporting mechanism 26 is arranged between the movable bearing platform 25 and the base 24, a conveying rail 17 inclined towards the movable bearing platform 25 is arranged on one side of the movable bearing platform 25, an intercepting mechanism 28 is arranged in the conveying rail 17, a shifting mechanism 29 capable of driving the intercepting mechanism 28 to be opened or closed is arranged on the base 24, a backward driving mechanism 30 capable of enabling the shifting mechanism 29 to move backward when the movable bearing platform 25 is pressed down is arranged on the base 24, a resetting mechanism 31 capable of enabling the shifting mechanism 29 to move forward so as to enable the intercepting mechanism 28 to be opened and intercepted is arranged between the shifting mechanism 29 and the base 24, a resetting device 32 capable of resetting the intercepting mechanism 28 is arranged between the intercepting mechanism 28 and the conveying rail 17, and a shifting mechanism 29 of the movable bearing platform 25 is arranged between the shifting mechanism 29 and the shifting mechanism 29, and can be pushed forward when the shifting mechanism 29 moves forward The pushing mechanism 33 of the garbage collection box 16 on the movable bearing platform 25 is moved.

In the invention, a garbage collection box 16 is arranged on a movable bearing platform 25, the movable bearing platform 25 overcomes the supporting force of an elastic supporting mechanism 26 to move downwards along with the increase of garbage in the garbage collection box 16, the backward driving mechanism 30 is triggered to make a toggle mechanism 29 move backwards in the downward moving process of the movable bearing platform 25, when the movable bearing platform 25 moves downwards to the lowest position, under the action of the return means 31, the toggle mechanism 29 moves forward and drives the intercepting means 28 open, so that the waste collection bin 16 on the rear side of the intercepting means 28 can be moved down along the conveyor track 17, after the toggle means 29 has passed the intercepting means 28, under the action of the resetting device, the intercepting mechanism 28 is reset to close, so that the garbage collection box 16 on the rear side is intercepted again, and the toggle mechanism 29 moves forwards to drive the pushing mechanism 33 to push the garbage collection box 16 on the movable bearing platform 25 out.

The elastic support mechanism 26 of the present invention includes a support base 261 fixedly disposed on the base 24, an expansion rod 262 is disposed on the support base 261, the upper end of the expansion rod 262 is fixedly connected to the middle of the bottom surface of the movable bearing platform 25, the lower end of the expansion rod 262 is fixedly disposed on the support base 261, a support spring 263 is disposed outside the expansion rod 262 and the support base 261, the upper end of the support spring 263 is pressed against the bottom surface of the movable bearing platform 25, and the lower end of the support spring 263 is pressed against the base 24 or the support base 261.

The telescopic rod 262 of the present invention may be a damping telescopic rod, a hydraulic telescopic rod or an oil hydraulic telescopic rod. Mainly plays a role of guiding or/and supporting. The telescoping rod 262 of the present invention may be a multi-section telescoping rod. The supporting seat 261 of the present invention may be composed of a plurality of supporting sheets uniformly arranged along the circumference, and the lower end of the supporting spring 263 may be clamped on the outer wall of the supporting sheets, so as to achieve better positioning and prevent the supporting spring 263 from twisting.

The intercepting mechanism 28 comprises an installation slot 281 arranged on a conveying track 17, the length direction of the installation slot 281 is vertical to the length direction of the conveying track 17, a rotatable arc-shaped intercepting block 282 is movably arranged in the installation slot 281 along the length direction, one side of the installation slot 281 along the length direction is provided with a shaft hole 285 penetrating through the side wall of the conveying track 17, the other side of the installation slot 281 along the length direction is provided with a connecting convex shaft 283, one side of the arc-shaped intercepting block 282 is provided with a plug-in shaft 284, the plug-in shaft 284 passes through the shaft hole 285 and extends out of the side wall of the conveying track 17, the other side of the arc-shaped intercepting block 282 is provided with a shaft sleeve 286 coaxially arranged with the plug-in shaft 284, the connecting convex shaft 283 is plugged in the shaft sleeve 286, the shaft sleeve 286 is provided with a limit slot 287, the outer wall of the connecting convex shaft 283 is provided with a positioning lug 288, the positioning protrusion 288 is disposed in the limiting notch 287, and a toggle groove 289 matched with the toggle mechanism 29 is disposed at the lower portion of the arc-shaped surface of the arc-shaped block 282.

In the invention, the positioning bump 288 and the limiting notch 287 are mutually matched, so that the arc-shaped interception block 282 is effectively prevented from rotating and transiting, and smooth resetting can be ensured under the action of the resetting device 32. The arc-shaped interception block 282 is a semi-cylinder interception block, a transition inclined surface 2823 is arranged between an arc-shaped surface 2821 and a plane 2822 at the upper end of the semi-cylinder interception block, the toggle groove 289 is arranged at the lower part of the arc-shaped surface 2821, and an arc-shaped transition surface 2824 convenient for the toggle mechanism 29 to pass is arranged between the lower side of the toggle groove 289 and the plane 2822. In the initial state of the intercepting mechanism 28 of the invention, under the action of the resetting device 32, the upper part of the arc-shaped intercepting block 282 turns upwards out of the bottom of the conveying track 17, and the arc-shaped surface 2821 of the arc-shaped intercepting block 282 faces the garbage collecting box 16 to be slid downwards at the rear side; at this time, the garbage collection box 16 behind the intercepting mechanism 28 is blocked from moving forward, because one side of the limiting notch 287 is pressed against the positioning protrusion 288, the arc-shaped intercepting block 282 can not rotate, at this time, the toggle mechanism 29 is elastically deformed to cross the lower end of the arc-shaped intercepting block 282, when the toggle mechanism 29 moves forward under the action of the reset mechanism 31, the toggle mechanism 29 firstly enters the toggle groove 289 to drive the arc-shaped intercepting block 282 to rotate downward, when the other side of the limiting notch 287 is pressed against the positioning protrusion 288, the arc-shaped intercepting block 282 stops rotating, at this time, the plane 2822 of the arc-shaped intercepting block 282 is flush with the bottom surface of the conveying track 17 or is below the bottom surface of the conveying track 17, the garbage collection box 16 can move downward in the inclined conveying track 17 under the action of gravity, and after the toggle mechanism 29 continues to move forward over the arc-shaped transition surface 2824, the garbage collection box is separated from the arc-shaped intercepting block 282, under the action of the reset means 32, the arc-shaped intercepting piece 282 is rotated upward so that the following garbage collection bin 16 is intercepted, thereby realizing automatic replacement of the garbage collection bin 16.

Resetting means 32 is including coil spring 321, the plug-in shaft 284 of coil spring 321 cover outside the delivery track 17 lateral wall be equipped with location projection 322 on the delivery track 17 lateral wall, coil spring 321 outer end fixed connection is on location projection 322, coil spring 321 inner is equipped with trip 323 be equipped with the groove of stepping down 324 on the plug-in shaft 284 outer end, coil spring 321 inner sets up in the groove of stepping down 324 the corresponding position of plug-in shaft 284 outer end inner wall and the groove of stepping down 324 is equipped with location cardboard 325, trip 323 joint is on location cardboard 325.

The coil spring 321 of the present invention is effective to return the insertion shaft 284 to rotate, thereby returning the arc-shaped intercepting block 282 upward. In another embodiment of the resetting device 32 of the present invention, the resetting device 32 includes a resetting torsion spring, the resetting torsion spring is sleeved on the insertion shaft 284, and one end of the resetting torsion spring is connected with the insertion shaft 284, and the resetting torsion spring is connected with the positioning convex column 322 arranged on the side wall of the conveying track 17.

The toggle mechanism 29 of the present invention comprises a support 291, a guide rail 292 is arranged on the support 291, a sliding seat 293 is movably arranged on the guide rail 292, a fixed toggle lever 294 is arranged at the upper end of the sliding seat 293, a hinge seat 295 is arranged at the upper end of the fixed toggle lever 294, a movable toggle lever 296 is hinged in the hinge seat 295, a positioning stopper 297 capable of preventing the movable toggle lever 296 from rotating backward is arranged at the rear side of the hinge seat 295, an installation notch 298 is arranged at the hinge joint of the movable toggle lever 296 and the hinge seat 295, and a torsion spring 299 capable of enabling the movable toggle lever 296 to return upward is arranged in the installation notch 298.

In the present invention, guide rails 292 are respectively disposed on the left and right sides of the supporting frame 291, and guide grooves are disposed in the sliding seat 293 at positions corresponding to the guide rails 292, and the guide rails 292 are disposed in the guide grooves. In one embodiment of the guide rail 292 of the present invention, the interface of the guide rail 292 is triangular or trapezoidal and the guide groove is shaped to match the shape of the guide rail 292, such as a dovetail groove. In another embodiment of the present invention, a sliding wheel may be provided on the sliding seat 293, and the sliding wheel is clamped on the guide rail 292. The hinge base 295 of the present invention includes a base 2951, a hinge shaft 2952 is disposed on the base 2951, a hinge shaft hole 2953 is disposed at a lower end of the movable shift lever 296, and the hinge shaft 2952 is disposed in the hinge shaft hole 2953.

The backward driving mechanism 30 of the present invention comprises a first supporting seat 301 and a second supporting seat 302 which are arranged on the front and back sides of a base 24 at intervals, a main gear 303 is arranged on the first supporting seat 301, a main belt pulley 304 is arranged on the outer side of the main gear 303, a secondary belt pulley 305 is arranged on the second supporting seat 302, a secondary gear 306 is arranged on the outer side of the secondary belt pulley 305, a driving belt 307 is sleeved on the main belt pulley 304 and the secondary belt pulley 305, a driving rack 308 which can be meshed with the main gear 303 is arranged at the position of a movable bearing platform 25 corresponding to the main gear 303, a driving rack 3080 which can be meshed with the secondary gear 306 is arranged on the toggle mechanism 29 along the moving direction, a T-shaped positioning guide block 309 is arranged on the inner side of the driving rack 3080, a T-shaped longitudinal abdicating groove 310 is arranged on the toggle mechanism 29, the T-shaped positioning guide block 309 is movably arranged in the T-shaped longitudinal abdicating groove 310, a return auxiliary spring 311 is arranged between the upper end face of the T-shaped positioning guide block 309 and the upper end face of the T-shaped longitudinal abdicating groove 310, a first guide seat 3012 is arranged on the base 24 at the rear side of the second support seat 302, a first guide inclined plane 3013 enabling the transmission rack 3080 to move upwards is arranged on the front side face of the upper portion of the first guide seat 3012, a second guide seat 3014 is arranged on the upper portion of the first support seat 301, a second guide inclined plane 3015 enabling the transmission rack 3080 to move downwards is arranged on the rear side face of the lower portion of the second guide seat 3014, a first positioning hole 3016 and a second positioning hole 3017 are correspondingly arranged on one side of the toggle mechanism 29 corresponding to the transmission rack 3080 from top to bottom, and an elastic positioning ball enabling the transmission rack 3080 to be positioned at the first positioning hole 3016 or the second positioning hole 3017 is arranged on one side of the transmission rack 3080 facing the toggle mechanism 29.

If the position of the driving rack 308 interferes with the position of the second guide seat 3014, a relief hole 3018 may be formed at a corresponding position of the second guide seat 3014 to provide a position for the driving rack 308 to move downward, and also to guide the driving rack 308 to prevent the driving rack 308 from being separated from the main gear 303. The structure of the elastic positioning ball can comprise a groove hole arranged in the transmission rack 3080, a small spring is arranged in the groove hole, and a ball or a small cylinder is arranged at the upper end of the small spring.

In another embodiment of the backward driving mechanism 30 of the present invention, the backward driving mechanism 30 includes a first supporting seat 301 and a second supporting seat 302 disposed on the front and back sides of the base 24 at an interval, a main gear 303 is disposed on the first supporting seat 301, a main pulley 304 is disposed on the outer side of the main gear 303, a secondary pulley 305 is disposed on the second supporting seat 302, a secondary gear 306 is disposed on the outer side of the secondary pulley 305, a driving belt 307 is sleeved on the main pulley 304 and the secondary pulley 305, a driving rack 308 capable of meshing with the main gear 303 is disposed at a position of the movable carrier platform 25 corresponding to the main gear 303, a driving rack 3080 capable of meshing with the secondary gear 306 is disposed on the toggle mechanism 29 along the moving direction, and a unidirectional tooth is disposed on the driving rack 3080. In the present invention, when the driving rack 308 is lowered to the lowest position, the main gear 303 is no longer rotated, the sliding seat 293 moves forward under the action of the reset mechanism 31, and the one-way teeth cannot reversely drive the pinion 306, so that the sliding seat 293 can smoothly move forward.

The reset mechanism 31 of the invention comprises a positioning seat 3101 arranged on the rear side of the base 24, a first guide post 3102 is arranged on the front side surface of the positioning seat 3101, a second guide post 3103 is arranged at the position of the toggle mechanism 29 corresponding to the first guide post 3102, and a reset main spring 3104 is sleeved on the first guide post 3102 and the second guide post 3103.

The pushing mechanism 33 of the present invention includes a push rod 331 disposed at the front end of the toggle mechanism 29, and a relief receiving groove 332 is disposed at a position corresponding to the push rod 331 at the rear side of the movable carrier 25.

In the initial state of the invention, the elastic positioning ball is clamped in the second positioning hole 3017, and under the extrusion action of the reset secondary spring 311, the T-shaped positioning guide block 309 of the transmission rack 3080 is positioned at the lower end of the T-shaped longitudinal abdicating groove 310, and at the moment, the transmission rack 3080 can be meshed with the secondary gear 306; when the garbage in the garbage collection box 16 on the movable carrier 25 is continuously increased and the compression elastic support mechanism 26 is moved downward under the action of gravity, when the driving rack 308 is moved downward to the position engaged with the main gear 303, the main gear 303 starts to rotate, the auxiliary gear 306 is driven to rotate by the driving belt, the driving rack 3080 is driven by the auxiliary gear 306, the sliding seat 293 of the toggle mechanism 29 moves backward on the guide rail 292, the movable shift lever 296 firstly presses the plane 2822 of the arc-shaped block 282, the arc-shaped block 282 cannot rotate because one side of the limit notch 287 is pressed on the positioning bump 288, the movable shift lever 296 is forced to rotate backward, the sliding seat 293 continues to move backward, the movable shift lever 296 passes the arc-shaped block 282 and then returns upward under the action of the torsion spring 299, at the same time, the return main spring 3104 in the return mechanism 31 is compressed and stored energy, when the movable carrier 25 is moved downward to the lower position, the rear end of the transmission rack 3080 touches the first guiding inclined plane 3013, the transmission rack 3080 moves upwards, the elastic positioning ball is separated from the second positioning hole 3017 and is clamped into the first positioning hole 3016, at this time, the transmission rack 3080 is separated from the pinion 306, the reset main spring 3104 in the reset mechanism 31 is released towards the front side direction, thereby driving the sliding seat 293 of the toggle mechanism 29 to move forwards quickly on the guide rail 292, the push rod 331 of the push-out mechanism 33 pushes the rear side surface of the garbage collection box 16 to move forwards and output the movable bearing platform 25, when the movable bearing platform 25 loses the pressure of the garbage collection box 16, the movable bearing platform resets upwards under the action of the elastic supporting mechanism 26, and because the yielding accommodating groove 251 is arranged at the rear side of the movable bearing platform 25, the push rod 331 cannot cause interference and blocking on the movable bearing platform 25. During the forward movement of the sliding seat 293, the movable shift lever 296 enters the shift groove 289 and presses against the arc-shaped transition surface 2824 at the lower end of the shift groove 289, due to the limitation of the positioning stopper 297, the movable shift lever 296 cannot rotate backward but drives the arc-shaped interception block 282 to rotate, so that the plane 2822 of the arc-shaped interception block 282 is flush with the bottom surface of the conveying track 17 or below the bottom surface of the conveying track 17, the garbage collection box 16 in the conveying track 17 can move downward under the action of gravity, after the movable shift lever 296 passes over the arc-shaped transition surface 2824 at the lower end of the shift groove 289 as the sliding seat 293 continues to move forward, the arc-shaped interception block 282 rotates reversely under the action of the coil spring 321 of the resetting device 32, so that the upper end of the arc-shaped interception block 282 protrudes out of the bottom surface of the conveying track 17 again, and the garbage collection box. The refuse collection bin 16, which has passed the intercepting means 28, continues to move forward to fall into the reset upward mobile carrier 25, completing the automatic change.

Referring to fig. 1-12, the present invention provides a technical solution: a sewage treatment device comprises a machine shell 14, and is characterized in that: a filtering device 15 is provided in one side of the housing 14, a water inlet pipe 160 communicating with a water inlet end of the filtering device 15 is provided in an upper portion of the housing 14, an automatic garbage can replacing mechanism 200 according to any one of claims 1 to 8 is provided in the other side of the housing 14, a garbage transporting mechanism 17 for transporting the garbage discharged from the filtering device 15 to the automatic garbage can replacing mechanism 200 is provided in the housing 14 between the filtering device 15 and the automatic garbage can replacing mechanism 200, an outlet 34 for allowing the garbage can 16 to pass is provided in a front side of the housing 14, and a discharging chute 35 for assisting the discharge of the garbage can 16 is provided outside the outlet 34.

The filtering device 15 of the invention comprises a shell 1, and is characterized in that: be equipped with out water pipe 2 in the casing 12 upside of going out water pipe is equipped with water inlet 3 go out the cover on the water pipe 2 and be equipped with and filter drum 4 is provided with a plurality of filter chambers 5 along the circumferencial direction interval on the corresponding position of 3 with the water inlet 5 bottom of filter chamber is equipped with filter screen 61 downside and the corresponding position of filter chamber 5 are equipped with row cinder notch 7 be equipped with in the play water pipe 2 and carry out clear clean mechanism 8 to filter screen 6 casing 1 is equipped with the first actuating mechanism 9 that can drive and filter drum 4 and rotate fixed angle outward.

The invention is provided with a squeezing mechanism 18 which can squeeze the garbage on the garbage conveying mechanism 17 so as to dewater the garbage before the garbage enters the garbage collection box 16 in the machine shell 14.

When the filtering device is used, sewage enters from the filtering cavity 5 on the upper side of the filtering cylinder 4, enters the water inlet 3 on the upper side of the circular water outlet pipe 2 after passing through the filtering net 6, and is then discharged from the front end of the circular water outlet pipe 2 or flows into the next process, when more garbage is accumulated on the filtering net 6 at the position of the water inlet 3, the first driving mechanism 9 can be controlled to drive the filtering cylinder 4 to rotate for a fixed angle, so that one filtering cavity 5 is switched, the filtering efficiency is effectively improved, when the filtering cavity 5 accumulating more garbage rotates to the slag discharge opening 7, the garbage naturally falls from the slag discharge opening 7 under the action of gravity, and meanwhile, the cleaning mechanism 8 can dredge meshes of the filtering net 6 entering the slag discharge opening 7, so that the filtering net 6 is effectively ensured to be reused.

The cleaning mechanism 8 comprises a cleaning brush 81, the front end of the cleaning brush 81 extends into the rear side of the round water outlet pipe 2, bristles 82 capable of being inserted into meshes of the filter screen 6 are arranged at the position, corresponding to the filter screen 6, of the front end of the cleaning brush 81, the rear end of the cleaning brush 81 extends out of the round water outlet pipe 2, and a second driving mechanism 10 capable of driving the cleaning brush 81 to move up and down when the filter cylinder 4 rotates is arranged between the shell 1 and the cleaning brush 81.

When the filtering cylinder 4 rotates, the cleaning brush 81 is lifted for a certain distance under the action of the second driving mechanism 10, so that the bristles 82 are separated from the meshes of the filtering net at the slag discharge port 7, the rotation of the filtering cylinder 4 is effectively prevented from being blocked, and when the filtering cylinder 4 rotates to a preset angle, the cleaning brush 81 descends again, and at the moment, the bristles 82 are inserted into the meshes of the filtering net switched to the slag discharge port 7, so that the effect of dredging the filtering net 6 is achieved.

In the invention, a partition wall 11 capable of partitioning a water inlet 3 and a slag discharge port 7 is arranged in the round water outlet pipe 2.

The partition wall 11 divides the water outlet circular tube 2 into two areas, namely a water outlet area and a cleaning mechanism 8 accommodating area, wherein the water outlet area can guide filtered water entering from the water inlet 3 to the front end of the water outlet circular tube 2, the accommodating area is used for installing the cleaning mechanism 8, and the partition wall 11 effectively prevents the filtered water from entering the slag discharge port 7. In another embodiment of the present invention, a dynamic sealing mechanism 12 may be disposed between the rear end surface of the circular water outlet pipe 2 and the cleaning mechanism 8, wherein the dynamic sealing mechanism 12 includes a vertical long groove 121 disposed on the rear end surface of the circular water outlet pipe 2, an interlayer space is disposed on the rear end surface of the circular water outlet pipe 2 outside the vertical long groove 121, a sealing long plate 122 capable of moving up and down is movably disposed in the interlayer space, the rear end of the cleaning brush 81 of the cleaning mechanism 8 is sealingly disposed in the middle of the sealing long plate 122, and when the cleaning brush 81 moves up or down, the sealing long plate 122 correspondingly moves up or down in the interlayer space, so as to always maintain the sealing of the vertical long groove 121, thereby achieving the effect of dynamic sealing. Because the brush hair 82 on the cleaning brush 81 inserts in the mesh of the filter screen 6 of row cinder notch 7 department, at this moment, the filter screen 6 of this department is sealed, the filterable water that gets into from water inlet 3 can only flow to play water pipe 2 front end, in addition, switch the process of filter chamber 5, although brush hair 82 breaks away from the mesh of the filter screen of row cinder notch 7 department for a short time, but filter drum 4 rotation process, water inlet 3 is closed gradually by the junction between two filter chambers 5 earlier, then is opening gradually, so, the water after the filtration only has minimum part to flow through row cinder notch 7, the water that flows out from this time just can carry out the back flush to the filter screen 6 of here.

According to the invention, the rear end of the filtering cylinder 4 is provided with the connecting circular tube 13, the first driving mechanism 9 comprises a transmission gear 91 arranged on the connecting circular tube 13, the outer side of the rear end of the filtering cylinder 4 is provided with a stepping motor 92, a motor shaft of the stepping motor 92 is provided with a driving gear 93, and the driving gear 93 is meshed with the transmission gear 91.

The stepping motor 92 can be connected with a controller, and the rotation angle of the stepping motor 92 can be preset before use according to the number of the filter cavities 5, the ratio of the number of teeth of the driving gear 93 to the number of teeth of the transmission gear 91. When the stepping motor 92 is rotated by a fixed angle or number of turns, exactly one filter chamber 5 is switched. For example, when the number of the filter chambers 5 is 4 and the ratio of the number of the teeth of the driving gear 93 to the number of the teeth of the transmission gear 91 is 1:2, the stepping motor 92 is set to drive the driving gear 93 to rotate 180 °/half turn each time, and at this time, the transmission gear 91 rotates 90 °/four turns, and exactly one filter chamber 5 is switched.

The second driving mechanism 10 comprises a connecting rod 101 arranged on the lower side surface of the rear end of the cleaning brush 81, a limiting rod 102 is arranged on the connecting rod 101, a telescopic supporting rod 103 is arranged on the upper side surface of the rear end of the cleaning brush 81, the movable end of the telescopic supporting rod 103 is connected with the cleaning brush 81, a return spring 104 is sleeved on the movable end of the telescopic supporting rod 103 between the fixed end of the telescopic supporting rod 103 and the cleaning brush 81, an annular guide groove 105 which can enable the limiting rod 102 to move up and down when the filtering cylinder 4 rotates is arranged on the rear end of the filtering cylinder 4, and the front end of the limiting rod 102 is movably arranged in the annular guide groove 105.

The annular guide groove 105 is arranged in the rear side face of the transmission gear 91, the annular guide groove 105 comprises a circular groove body 1051, arc-shaped abdicating notch grooves 1052 which are the same in number with the filter cavities 5 and point to the outer side of the circular groove body 1051 are arranged on the circular groove body 1051 along the circumferential direction, and a transition arc surface is arranged between the arc-shaped abdicating notch grooves 1052 and the circular groove body 1051. In one embodiment of the present invention, the number of the filter cavities 5 is four, the number of the corresponding arc-shaped abdicating notches 1052 is also four, and the arc-shaped abdicating notches 1052 are disposed at positions corresponding to the filter cavities 5, when the filter cavity 5 at the upper side of the filter cylinder 4 is communicated with the water inlet 3, the limit rod 102 is pressed against the bottom of the arc-shaped abdicating notch 1052 at the lowermost end under the action of the return spring 104, at this time, the bristles of the cleaning brush 81 are inserted into the meshes of the filter screen 6 at the residue discharge port 7, so that the dirt in the meshes of the filter screen 6 is ejected out, when the filter cylinder 4 is driven by the first driving mechanism 9, the filter cylinder rotates a fixed angle, for example, the filter cylinder rotates 90 ° in this embodiment, during the rotation process, the limit rod 102 enters the circular groove 1051 from the bottom of the arc-shaped abdicating notches 1052 along the transition arc surface, so as to drive the limit rod 102 to drive the cleaning, the whole moves upwards, so that the bristles 82 are separated from meshes of the filter screen 6, when the filter cylinder 4 rotates for 90 degrees, the filter cavity 5 of the filter cylinder 4 is switched once, the limiting rod 102 falls into the arc-shaped abdicating notch 1052 at the lowest side again, and at the moment, the bristles 82 of the cleaning brush 81 are inserted into the meshes of the filter screen 6 which are newly switched into the slag discharge port 7, so that the dredging function is achieved.

The garbage conveying mechanism 17 of the present invention comprises a first rotating shaft 171 and a second rotating shaft 172 which are arranged in the housing 14 at intervals, wherein the first rotating shaft 171 is arranged below the filtering device 15, the second rotating shaft 172 is arranged above the garbage collecting box 16, a conveying belt 173 is sleeved on the first rotating shaft 171 and the second rotating shaft 172, a water discharging hole 174 is arranged on the conveying belt 173, baffles 175 are evenly distributed at intervals on the upper end surface of the conveying belt 173, and the first rotating shaft 171 is connected with the first driving mechanism 9 through a transmission mechanism 176.

In the present invention, a certain height difference exists between the first rotating shaft 171 and the second rotating shaft 172, so that an inclined angle is formed between the conveyor belt 173 and the horizontal plane, in this embodiment, the first rotating shaft 171 is at a lower position, and the second rotating shaft 172 is at a higher position, so that the conveyor belt 173 is inclined upwards, in the present invention, a water collecting hopper 19 is arranged on the housing 14 below the filtering device 15, a drain pipe 20 is arranged at the front side of the water collecting hopper 19, the drain pipe 20 is connected with the round water outlet pipe 2, when the conveyor belt 173 rotates towards the garbage collecting box 16, water drops in the garbage flow towards the filtering device 15 under the action of gravity, flow out from the drain hole 174, enter the water collecting hopper 19, and then are collected into the round water outlet pipe 2 through the drain pipe 20 and discharged together.

In the first embodiment of the transmission mechanism 176 of the present invention, a mounting seat 1761 is disposed at the rear end of the housing 14, a rotating shaft 1762 is disposed in the mounting seat 1761, a connecting gear 1763 is disposed at the front end of the rotating shaft 1762, the connecting gear 1763 is engaged with the transmission gear 91, a driving pulley 1764 is disposed at the rear ends of the connecting gear 1763 and the rotating shaft 1762, a transmission pulley 1765 is disposed at the rear end of the first rotating shaft 171, and a transmission belt 1766 is sleeved on the driving pulley 1764 and the transmission pulley 1765. In the present invention, when the stepping motor 92 rotates a fixed angle or number of turns, exactly one filter chamber 5 is replaced and the conveyor belt 173 is moved a fixed distance, and the squeezing mechanism 18 is located exactly between two adjacent baffles 175. In the present embodiment, the fixed distance that the conveyor belt 173 moves when the stepping motor 92 rotates by a predetermined angle or number of rotations may be determined according to a ratio between the number of teeth of the connecting gear 1763 and the number of teeth of the driving gear 91, thereby setting the position of the stopper 175 according to the fixed distance.

In the second embodiment of the transmission mechanism 176 according to the present invention, a mounting seat 1761 is provided at the rear end of the housing 14, a rotating shaft 1762 is provided in the mounting seat 1761, a connecting gear 1763 is provided at the front end of the rotating shaft 1762, the connecting gear 1763 is engaged with the transmission gear 91, a driving sprocket is provided at the rear ends of the connecting gear 1763 and the rotating shaft 1762, a transmission sprocket is provided at the rear end of the first rotating shaft 171, and a transmission chain is sleeved on the driving sprocket and the transmission sprocket.

In the third embodiment of the transmission mechanism 176 according to the present invention, a mounting seat 1761 is disposed at the rear end of the housing 14, a rotating shaft 1762 is disposed in the mounting seat 1761, a connecting gear 1763 is disposed at the front end of the rotating shaft 1762, the connecting gear 1763 is engaged with the driving gear 93, a driving pulley 1764 is disposed at the rear ends of the connecting gear 1763 and the rotating shaft 1762, a transmission pulley 1765 is disposed at the rear end of the first rotating shaft 171, and a transmission belt 1766 is sleeved on the driving pulley 1764 and the transmission pulley 1765. In the present embodiment, the fixed distance that the conveyor belt 173 moves when the stepping motor 92 rotates by a predetermined angle or number of rotations is determined according to the ratio between the number of teeth of the connecting gear 1763 and the number of teeth of the driving gear 93, and the position of the stopper 175 is set according to the fixed distance.

In the present invention, an ejection mechanism 21 capable of ejecting the garbage in the water discharge hole 174 is provided at the outlet end of the garbage transporting mechanism 17, and the ejection mechanism 21 includes ejector pin groups 22 uniformly distributed on the second rotating shaft 172 along the circumferential direction.

According to the invention, a plurality of drainage hole groups are uniformly distributed at intervals on the conveying belt 173, the drainage hole groups and the second rotating shaft 172 are arranged in a balanced manner, each drainage hole group consists of a plurality of drainage holes 174 which are uniformly arranged at intervals, the thimble groups 22 comprise thimbles which are arranged at intervals along the axial direction of the second rotating shaft 172, the distance between the thimbles is equivalent to the distance between the drainage holes 174, the distance between the thimble groups 22 is equivalent to the distance between the drainage hole groups, when the second rotating shaft 172 rotates, the thimbles just fall into the drainage holes 174, so that garbage falling into the thimble holes in the extrusion process is effectively ejected out, the garbage is smoothly conveyed into the garbage collection box 16, and meanwhile, the conveying belt 173 is effectively and accurately driven. In the present invention, the same ejection mechanism 21 may be provided on the first rotating shaft 171, and the ejection mechanism 21 on the first rotating shaft does not eject the garbage in the water discharge hole 174, but drives the conveying belt 173 to rotate conveniently and accurately.

The extrusion mechanism 18 of the invention comprises a supporting plate 181 inserted in the conveying belt 173, one side of the supporting plate 181 is fixedly connected to the inner wall of the casing 14, an extrusion cylinder 182 is arranged in the casing 14, and an extrusion plate 183 is arranged on a cylinder shaft of the extrusion cylinder 182.

In one embodiment of the pressing mechanism 18 of the present invention, in addition to the above structure, a water collecting tank 1811 is disposed on the supporting plate 181, a water collecting pipe 1812 is disposed on the casing 14, one end of the water collecting tank 1811 is connected to the water collecting pipe 1812, one end of the water collecting pipe 1812 is provided with a circular drainage pipe 1813, and the circular drainage pipe 1813 extends out of the casing 14 and is connected to the circular drainage pipe 2.

In another embodiment of the pressing mechanism 18 of the present invention, a guide seat 184 is disposed in the housing 14, a guide hole is disposed in the guide seat 184, a guide rod 185 is disposed on the pressing plate 183, the guide rod 185 is movably disposed in the guide hole, an accommodating recess is disposed in the pressing plate 183, a movable plate 186 is disposed in the accommodating recess, and a buffer spring 187 is disposed between the movable plate 186 and the bottom of the accommodating recess.

In the invention, the extrusion cylinder 182 is connected with the controller, and the controller can accurately control the action time and the telescopic length of the extrusion cylinder 182, thereby effectively extruding and dehydrating the garbage on the conveying belt 173.

According to the invention, the air jet pump 220 is arranged in the shell 14, the air outlet of the air jet pump 220 is provided with the air blowing pipe 23, and the air blowing pipe 23 extends into the slag discharging port 7.

In the invention, the air jet pump 220 can be connected with the controller, and the air jet pump 220 is controlled by the controller to jet air into the slag discharge port 7, so that garbage can be separated from the filter cavity 5 more easily.

In the invention, a water level sensor can be arranged on the inner wall of the upper part of the water inlet pipe 160 and is connected with a controller, when the filtering efficiency is reduced due to excessive garbage accumulated in the filtering cavity 5 corresponding to the water inlet 3, the water level can continuously rise, when the water level rises to the water level sensor in the water inlet pipe 160, the water level sensor sends a signal to the controller, and after receiving the signal, the controller sends an instruction to the stepping motor 92 to enable the stepping motor 92 to rotate for a preset angle or number of turns, so that the filtering cavity 5 is switched, meanwhile, the conveying belt 173 is driven to move for a certain distance, the extrusion cylinder 182 is controlled to work, and the garbage in the conveying belt 173 is extruded.

In the invention, the stepping motor 92, the extrusion cylinder 182 and the jet pump 220 can be controlled by independent switches without being connected with a controller, in this case, the sewage treatment equipment is semi-automatic equipment, and different switches can be controlled by hands to respectively control the stepping motor 92, the extrusion cylinder 182 or the jet pump 220 to work.

The invention relates to a method for treating sewage by using the sewage treatment device, which comprises the following steps:

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic mechanism of changing of garbage collection box, is including base (24), its characterized in that: a movable bearing platform (25) is arranged on the base (24), an elastic supporting mechanism (26) is arranged between the movable bearing platform (25) and the base (24), a conveying track (17) inclined towards the movable bearing platform (25) is arranged on one side of the movable bearing platform (25), an intercepting mechanism (28) is arranged in the conveying track (17), a toggle mechanism (29) capable of driving the intercepting mechanism (28) to open or close is arranged on the base (24), a retreating driving mechanism (30) capable of enabling the toggle mechanism (29) to move backwards when the movable bearing platform (25) is pressed down is arranged on the base (24), a resetting mechanism (31) capable of enabling the toggle mechanism (29) to move forwards so as to enable the intercepting mechanism (28) to be intercepted and opened is arranged between the toggle mechanism (29) and the base (24), a resetting device (32) capable of enabling the intercepting mechanism (28) to reset is arranged between the intercepting mechanism (28) and the conveying track (17), a pushing mechanism (33) which can push the garbage collection box (16) on the movable bearing platform (25) forward when the toggle mechanism (29) is reset forward and moves is arranged between the toggle mechanisms (29) of the movable bearing platform (25).

2. The automatic garbage collection box replacing mechanism according to claim 1, wherein: elastic support mechanism (26) is including fixed support platform (261) that sets up on base (24) be equipped with telescopic link (262) on support platform (261), telescopic link (262) upper end fixed connection is in the middle of activity plummer (25) bottom surface, telescopic link (262) lower extreme is fixed to be set up on support platform (261) telescopic link (262) and support platform (261) overcoat are equipped with supporting spring (263), supporting spring (263) upper end roof pressure is on activity plummer (25) bottom surface, supporting spring (263) lower extreme roof pressure is on base (24) or support platform (261).

3. The automatic garbage collection box replacing mechanism according to claim 1, wherein: the intercepting mechanism (28) comprises an installation slot hole (281) formed in the conveying track (17), the length direction of the installation slot hole (281) is perpendicular to the length direction of the conveying track (17), a rotatable arc-shaped intercepting block (282) is movably arranged in the installation slot hole (281) along the length direction, one side of the installation slot hole (281) along the length direction is provided with a shaft hole (285) penetrating through the side wall of the conveying track (17), the other side of the installation slot hole (281) along the length direction is provided with a connecting convex shaft (283), one side of the arc-shaped intercepting block (282) is provided with an inserting shaft (284), the inserting shaft (284) penetrates through the shaft hole (285) and extends out of the side wall of the conveying track (17), the other side of the arc-shaped intercepting block (282) is provided with a shaft sleeve (286) coaxially arranged with the inserting shaft (284), and the connecting convex shaft (283) is inserted in the shaft sleeve (286), the connecting boss shaft is characterized in that a limiting notch (287) is formed in the shaft sleeve (286), a positioning bump (288) is arranged on the outer wall of the connecting boss shaft (283), the positioning bump (288) is arranged in the limiting notch (287), and a shifting groove (289) matched with the shifting mechanism (29) is formed in the lower portion of the arc-shaped surface of the arc-shaped blocking block (282).

4. The automatic garbage collection box replacing mechanism according to claim 3, wherein: resetting means (32) are including wind spring (321), wind spring (321) cover is established on grafting axle (284) outside conveying track (17) lateral wall be equipped with location projection (322) on conveying track (17) lateral wall, wind spring (321) outer end fixed connection is on location projection (322), wind spring (321) inner is equipped with trip (323) be equipped with groove of stepping down (324) on grafting axle (284) outer end, wind spring (321) inner sets up in groove of stepping down (324) it is equipped with location cardboard (325) with the corresponding position in groove of stepping down (324) to insert grafting axle (284) outer end inner wall, trip (323) joint is on location cardboard (325).

5. The automatic garbage collection box replacing mechanism according to claim 1, wherein: toggle mechanism (29) include support frame (291) be equipped with guide rail (292) on support frame (291) the activity is equipped with sliding seat (293) on guide rail (292) be equipped with fixed driving lever (294) in sliding seat (293) upper end fixed driving lever (294) upper end is equipped with articulated seat (295) articulated in articulated seat (295) have activity driving lever (296) it can prevent activity driving lever (296) to rear side pivoted location shelves piece (297) to be equipped with to articulate seat (295) movable driving lever (296) and articulated seat (295) articulated department is equipped with installation scarce groove (298) be equipped with in installation scarce groove (298) and can make activity driving lever (296) reset ascending torsional spring (299).

6. The automatic garbage collection box replacing mechanism according to claim 1, wherein: retreating actuating mechanism (30) including interval setting first supporting seat (301) and second supporting seat (302) on both sides around base (24) be equipped with main gear (303) on first supporting seat (301) be equipped with main pulley (304) on main gear (303) the last secondary pulley (305) that is equipped with of second supporting seat (302) the secondary pulley (305) outside is equipped with pinion (306) main pulley (304) and secondary pulley (305) go up the cover and are equipped with drive belt (307), be equipped with drive rack (308) that can mesh with main gear (303) in activity plummer (25) and the corresponding position of main gear (303), be equipped with driven rack (3080) that can mesh with pinion (306) along the direction of motion on toggle mechanism (29), drive rack (3080) inboard is equipped with T type location guide block (309), the T-shaped longitudinal abdicating groove (310) is arranged on the toggle mechanism (29), the T-shaped positioning guide block (309) is movably arranged in the T-shaped longitudinal abdicating groove (310), a reset auxiliary spring (311) is arranged between the upper end surface of the T-shaped positioning guide block (309) and the upper end surface of the T-shaped longitudinal abdicating groove (310), a first guide seat (3012) is arranged on the base (24) at the rear side of the second support seat (302), a first guide inclined plane (3013) which can enable the transmission rack (3080) to move upwards is arranged on the front side surface at the upper part of the first guide seat (3012), a second guide seat (3014) is arranged at the upper part of the first support seat (301), a second guide inclined plane (3015) which can enable the transmission rack (3080) to move downwards is arranged on the rear side surface at the lower part of the second guide seat (3014), a first positioning hole (3016) and a second positioning hole (3017) are correspondingly arranged at one side of the toggle mechanism (29) corresponding to the rack (3080) from top to bottom, and an elastic positioning bead which can enable the transmission rack (3080) to be positioned at the first positioning hole (3016) or the second positioning hole (3017) is arranged on one side of the transmission rack (3080) facing the toggle mechanism (29).

7. The automatic garbage collection bin replacing mechanism according to claim 6, wherein: the reset mechanism (31) comprises a positioning seat (3101) arranged on the rear side of the base (24), a first guide column (3102) is arranged on the front side surface of the positioning seat (3101), a second guide column (3103) is arranged at the position of the toggle mechanism (29) corresponding to the first guide column (3102), and a reset main spring (3104) is sleeved on the first guide column (3102) and the second guide column (3103).

8. The automatic garbage collection box replacing mechanism according to claim 1, wherein: the pushing mechanism (33) comprises a push rod (331) arranged at the front end of the toggle mechanism (29), and a yielding containing groove (332) is arranged at the position, corresponding to the push rod (331), of the rear side of the movable bearing platform (25).

9. A sewage treatment device comprises a machine shell (14), and is characterized in that: a filtering device (15) is arranged in one side of the machine shell (14), a water inlet pipe (16) communicated with the water inlet end of the filtering device (15) is arranged at the upper part of the machine shell (14), an automatic garbage collection box replacing mechanism (200) according to any one of claims 1 to 8 is arranged at the other side of the machine shell (14), a garbage conveying mechanism (17) capable of conveying the garbage discharged by the filtering device (15) to the automatic garbage collection box replacing mechanism (200) is arranged in the machine shell (14) between the filtering device (15) and the automatic garbage collection box replacing mechanism (200), an outlet (34) capable of allowing the garbage collection box (16) to pass through is arranged at the front side of the machine shell (14), and a discharging slide way (35) for assisting the garbage collection box (16) to discharge is arranged at the outer side of the outlet (34).

10. A method for treating sewage by using the sewage treatment device, which is characterized by comprising the following steps: