CN114482236A - Municipal works road drainage filtration system - Google Patents

Abstract

The utility model relates to a municipal works road drainage filtration system, relate to municipal drainage field, it includes the escape canal, connect the drainage shaft in the escape canal bottom, the municipal pipeline of being connected with the drainage shaft, be equipped with impurity filter equipment and silt filter equipment in the drainage shaft, silt filter equipment is located impurity filter equipment below, impurity filter equipment includes that a plurality of fixed connection accept the board on the drainage shaft inner wall and rotate the interception net of connection on accepting the board, two adjacent board connections of accepting of vertical direction are accepted on two lateral walls that the drainage shaft is relative, it is the slope setting to accept the board, it is equipped with the first clean subassembly that is used for clean interception net to accept on the board, silt filter equipment includes the husky board of straining of fixed connection on the drainage shaft lateral wall, strain the husky hole to have been seted up on the husky board, be equipped with the clean subassembly of second that strains the husky board in the drainage shaft. This application has the effect of improving impurity filter equipment and silt filter equipment surface and blockking up the defect that influences road surface drainage and retrieve the effect easily.

Description

Municipal works road drainage filtration system

Technical Field

The application relates to the field of municipal drainage, in particular to a municipal engineering road drainage filtering system.

Background

With the continuous development and progress of cities, the requirements on municipal roads are continuously improved, and particularly the drainage function of the municipal roads is particularly important.

A general road drainage structure is a drainage part provided at both sides of a road, and includes a drainage ditch, an impurity filtering device provided in the drainage ditch, and a municipal pipe connected to the drainage ditch. The impurity filtering device is generally used for filtering large solid garbage such as plastic bags, leaves and the like. Still there is a large amount of dust silt on the town road surface, forms silt and enters into the escape canal along with the erodeing of rainwater in, need use the less silt filter equipment of filtration pore to filter silt.

To the correlation technique among the above-mentioned, the inventor thinks, impurity filter equipment and the silt filter equipment filtration pore of filtering silt are little, have some solid rubbish or fragment to stay on impurity filter equipment and silt filter equipment surface to use silt also for a long time to block up in silt filter equipment, can influence drainage rate, thereby influence the drainage effect on road surface, road surface drainage in time will influence sanitation.

Disclosure of Invention

In order to improve impurity filter equipment and silt filter equipment surface and block up the defect that influences the effect that road surface drainage was retrieved easily, this application provides a municipal works road drainage filtration system.

The application provides a municipal works road drainage filtration system adopts following technical scheme:

a municipal engineering road drainage filtering system comprises a drainage ditch, a drainage well connected to the bottom of the drainage ditch, and a municipal pipeline connected with the drainage well, wherein an impurity filtering device and a sediment filtering device are arranged in the drainage well, the sediment filtering device is positioned below the impurity filtering device, the impurity filtering device comprises a plurality of bearing plates fixedly connected to the inner wall of the drainage well and an interception net rotatably connected to the bearing plates, two bearing plates adjacent to each other in the vertical direction are connected to two opposite side walls of the drainage well, the bearing plates are obliquely arranged, the distance between one end of the bearing plates connected with the drainage well and the drainage ditch is smaller than the distance between the other end of the bearing plates and the drainage ditch, first cleaning components for cleaning the interception net are arranged on the bearing plates, and the sediment filtering device comprises a sand filtering plate fixedly connected to the side wall of the drainage well, it strains husky hole to strain to have seted up on the husky board, it is the slope setting to strain the husky board, strain the husky board with drainage shaft connect one end with distance between the escape canal is greater than the distance between the other end and the escape canal, be equipped with the clean subassembly of second that is used for clean straining the husky board in the drainage shaft, drainage shaft one side is equipped with the silt collecting box.

Through adopting above-mentioned technical scheme, surface gathered water enters into in the drainage shaft from the escape canal, accept the board and accept, the interception net filters behind the bold solid impurity, ponding falls on straining the sand board, sediment in the ponding filters, clean water falls into the drainage shaft bottom through straining the sand board after filtering, deposit the back in the drainage shaft, the supernatant is discharged from municipal pipeline, after the area water of way is emptied, first clean subassembly work is to interception net and accept board surface clean, make solid impurity drop on straining the sand board, second clean subassembly work is in clearing up the silt collecting box with silt and the solid impurity on straining the sand board surface afterwards, thereby improve impurity filter equipment and silt filter equipment surface and block up the defect that influences the road surface drainage and retrieve the effect easily.

Optionally, the slag discharging port has been seted up on the drain shaft lateral wall, the slag discharging port is used for the intercommunication the drain shaft with the silt collecting box, it is connected with the returning face plate to rotate on the lateral wall of slag discharging port bottom, the returning face plate is including the closure plate that is used for the shutoff to arrange the slag discharging port and the guide plate that is located the sand filtering plate below, the closure plate with the guide plate is the contained angle and is less than 180, the closure plate with the guide plate is located respectively the returning face plate with the both sides of slag discharging port junction.

Through adopting above-mentioned technical scheme, the returning face plate is in the upset of row's cinder notch department, when straining the sand board when straining sand, in order to reduce the direct possibility that enters into the silt collecting box of ponding, the returning face plate upset, the shutoff board will arrange the cinder notch shutoff this moment, after ponding filtration completion, the returning face plate upset, make the guide plate rotate and contradict in straining the sand board below, the clean subassembly of second is clean to straining the sand board simultaneously, the guide plate plays the water conservancy diversion effect to the silt that blocks up in straining the sand hole, make silt along guide plate and shutoff board fall and collect in the silt collecting box.

Optionally, the rotation of the deslagging port is connected with a rotating shaft, the turnover plate is fixedly connected to the rotating shaft, a first gear is fixedly sleeved on the rotating shaft, a driving motor is fixedly connected to the inner wall of the sediment collecting box, the output end of the driving motor is connected with a second gear, and the first gear is meshed with the second gear.

Through adopting above-mentioned technical scheme, driving motor work drives the second gear and rotates, and the second gear meshes with first gear, drives the pivot and rotates to make the returning face plate upset, realize that the shutoff board shutoff slag notch or leave the slag notch.

Optionally, a through hole needle is arranged on the guide plate, and the through hole needle corresponds to the sand filtering hole.

Through adopting above-mentioned technical scheme, when cleaning the sand filtering plate, the guide plate rotates and contradicts in the sand filtering plate bottom, and the thru hole needle plug-in is downthehole at the sand filtering at this moment, will block up the silt mediation in the sand filtering hole, reduces silt filtering component and blocks up the possibility that influences surface ponding recovery effect.

Optionally, the first cleaning assembly comprises an electric push rod fixedly connected in the drain well and a scrubbing brush connected at the output end of the electric push rod.

Through adopting above-mentioned technical scheme, after the drainage, electric putter work promotes the scrubbing brush and cleans the brush to accepting the board surface, reduces the possibility that accepts board surface solid impurity and remains.

Optionally, accept and seted up the breach on the board, the breach is located keeps away from accept the board with drainage well inner wall connection one end, fixedly connected with fixed plate in the breach, fixedly connected with fixed axle on the fixed plate, the interception net rotates to be connected on the fixed axle, the cover is equipped with the torsional spring on the fixed axle, torsional spring one end with the fixed plate is connected, and the other end is connected with the interception net.

Through adopting above-mentioned technical scheme, it is used for the interception net upset to accept the board parallel to accept to set up the breach on the board to make things convenient for the scrubbing brush to clean interception net surface, reduce solid impurity and remain on interception net surface, influence the possibility of interception net to ponding filter effect.

Optionally, a push rod is fixedly connected to the side wall of the scrubbing brush, and the push rod abuts against the intercepting net along with the movement of the scrubbing brush.

Through adopting above-mentioned technical scheme, the catch bar is fixed on the scrubbing brush, when the scrubbing brush is cleaned accepting the board, along with the removal of scrubbing brush, the catch bar contradicts at the border of intercepting net, plays the promotion effect to the intercepting net, rotates to and accepts the board parallel until the intercepting net, and the scrubbing brush is cleaned the intercepting net surface along the removal of intercepting net direction of height, reduces solid impurity and remains and influence the possibility of intercepting net to ponding treatment effect on the intercepting net surface.

Optionally, the second cleaning assembly comprises a support fixedly connected to the inside of the drainage well, a sliding block slidably connected to the support, a cleaning brush rotatably connected to the sliding block, and a first motor used for driving the cleaning brush to rotate, the second motor is fixedly connected to the inner wall of the drainage well, the output end of the second motor is connected with a lead screw, a driving block is connected to the lead screw in a threaded manner, and one end of the cleaning brush deviates from the sliding block and is rotatably connected with the driving block.

Through adopting above-mentioned technical scheme, the second motor drive lead screw rotates, and under the slip limiting displacement of slider and support, the drive block on the lead screw removes along lead screw length direction, and first motor drives the cleaning brush and rotates simultaneously, cleans the processing of brushing to the sand filter plate surface, cleans the silt on sand filter plate surface and collects in brushing the silt collecting box.

Optionally, be equipped with the scavenging pump in the drainage shaft, be connected with on the scavenging pump and absorb water tub and shower, it connects to absorb water tub the drainage shaft bottom, the shower with strain husky board parallel arrangement, the shower is located strain husky board top.

Through adopting above-mentioned technical scheme, the water suction after the clean pump filters in with the drainage well sprays the sand screen surface through the shower, cleans the silt on sand screen surface with the clean subassembly cooperation of second, reduces the sand screen surface and blocks up the possibility that influences ponding filter effect.

Optionally, escape canal one side is equipped with clean lid, clean lid below has been seted up and has been held the chamber, it is equipped with the dredge pump to hold the intracavity, be connected with the soil pick-up pipe on the dredge pump, the soil pick-up union coupling is in silt collecting box bottom of the case.

Through adopting above-mentioned technical scheme, when silt is more in the silt collecting box, open clean lid, dredge pump work is through the suction of sewage pipe with the silt suction in the silt collecting box.

To sum up, the application comprises the following beneficial technical effects:

1. through the clean subassembly of first clean subassembly that is used for clean interception net and the clean subassembly of second that is used for clean sand filtering plate, can clean interception net and sand filtering plate surface, reduce because impurity or silt block up the possibility of interception net or sand filtering plate to improve impurity filter equipment and silt filter equipment surface and block up the defect that influences the effect of road surface drainage recovery easily.

2. Through the setting of returning face plate, can be when filtering the area water, the returning face plate upset makes the shutoff board shutoff in row cinder notch department, makes things convenient for ponding to filter, and after filtering, the returning face plate upset makes the shutoff board leave row cinder notch, makes things convenient for the solid impurity on sand filtering plate surface to discharge from row cinder notch.

Drawings

FIG. 1 is a top schematic view of a municipal engineering road drainage filtration system.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is a schematic view of a foreign matter filtering device and a first cleaning assembly.

Fig. 4 is a schematic view of a silt treatment apparatus and a second cleaning assembly.

Fig. 5 is a schematic cross-sectional view of one side of the drain.

Description of reference numerals: 1. a drainage ditch; 2. a drainage well; 21. a bearing plate; 22. an intercepting net; 211. a notch; 212. a fixing plate; 213. a fixed shaft; 215. a torsion spring; 23. a sand filtering plate; 231. a yielding groove; 24. filtering sand holes; 25. a slag discharge port; 251. a rotating shaft; 252. a first gear; 253. a drive motor; 254. a second gear; 261. a plugging plate; 262. a baffle; 263. a through-hole needle; 27. a baffle plate; 28. cleaning the pump; 281. a suction pipe; 282. a shower pipe; 29. an opening; 291. a barrier plate; 3. municipal piping; 4. a silt collecting box; 41. cleaning the cover; 42. an accommodating chamber; 43. a sewage pump; 44. a sewage suction pipe; 5. a first cleaning assembly; 52. scrubbing and brushing; 53. an electric push rod; 521. a push rod; 6. a second cleaning assembly; 61. a support; 62. a slider; 63. a cleaning brush; 64. a first motor; 65. a second motor; 66. a screw rod; 67. the block is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses municipal works road drainage filtration system.

Referring to fig. 1 and 2, municipal works road drainage filtration system includes escape canal 1, connects at the well 2 that drains 1 bottom, the municipal pipeline 3 of being connected with well 2, is provided with impurity filtering device and sets up the silt treatment device in impurity filtering device below in the well 2.

Referring to fig. 2 and 3, the impurity filtering device includes a plurality of fixed connection and accepts the board 21 on the inner wall of drainage well 2 and rotates the interception net 22 of connection on accepting the board 21, accept board 21 and keep away from accepting board 21 and drainage well 2 inner wall connection one end and seted up breach 211, breach 211 sets up accepting board 21 and is close to escape canal 1 one side, and breach 211 is located and keeps away from accepting board 21 and drainage well 2 and be connected one side, fixedly connected with fixed plate 212 in breach 211, fixed plate 212 is provided with two about accepting board 21 width direction, two relative one side fixedly connected with fixed axles 213 of fixed plate 212, the cover is equipped with torsional spring 215 on the fixed axle 213, interception net 22 both ends are rotated and are connected on two fixed rotating shaft 251, torsional spring 215 one end and fixed plate 212 lateral wall fixed connection, the other end and interception net 22 lateral wall fixed connection. Under the action of the torsion spring 215, the intercepting net 22 is in a vertical state with the bearing plate 21.

Referring to fig. 2 and 3, the fixing plate 212 is higher than the upper surface of the receiving plate 21 and extends along the longitudinal direction of the receiving plate 21 to the entire longitudinal direction of the receiving plate 21.

Referring to fig. 2 and 3, the bearing plates 21 are obliquely arranged, the distance between one end of each bearing plate 21 connected with the wall of the drainage well 2 and the drainage ditch 1 is smaller than the distance between the other end of each bearing plate and the drainage ditch 1, two bearing plates 21 adjacent to each other in the vertical direction are respectively connected to two side walls opposite to the drainage well 2, and the density of the interception net 22 on one side far away from the drainage ditch 1 is larger than that of the interception net 22 on one side close to the drainage ditch 1.

Referring to fig. 2 and 3, the receiving plate 21 is provided with a first cleaning assembly 5 for cleaning the intercepting net 22, and the first cleaning assembly 5 includes an electric push rod 53 fixedly connected in the drainage well 2 and a scrubber 52 connected to an output end of the electric push rod 53.

Referring to fig. 2 and 3, a push rod 521 is fixedly connected to a side wall of the scrubbing brush 52, the push rod 521 is located on one side of the scrubbing brush 52 close to the bearing plate 21, the push rod 521 abuts against an edge of the intercepting net 22 along with movement of the scrubbing brush 52, when accumulated water is filtered, the electric push rod 53 works to push the scrubbing brush 52 to move in the water flow direction on the bearing plate 21 to clean the surface of the bearing plate 21 until the push rod 521 abuts against the intercepting net 22 to push the intercepting net 22 to rotate in the water flow direction on the surface of the bearing plate 21 against torsion of the torsion spring 215, the scrubbing brush 52 cleans the surface of the intercepting net 22 along with movement of the scrubbing brush 52, and abuts against the top of the intercepting net 22 to prevent the intercepting net 22 from resetting until the surface of the intercepting net 22 is cleaned, and the electric push rod 53 drives the scrubbing brush 52 to return to an initial position.

Referring to fig. 2 and 4, sediment filter equipment includes that fixed connection strains husky board 23 on the lateral wall of drainage ditch 2, has seted up on straining husky board 23 and has strained husky hole 24, strain husky board 23 and keep away from the board 21 of accepting of escape canal 1 one side and be connected with two relative lateral walls of drainage ditch 2 respectively, strain husky board 23 and keep away from the board 21 parallel arrangement of accepting of escape canal 1 one side, strain husky board 23 promptly and drainage ditch 2 and be connected the distance between one end and the escape canal 1 and be greater than the distance between the other end and the escape canal 1.

Refer to fig. 2 and 4, arrange cinder notch 25 on the 2 lateral walls of drainage shaft, 2 one sides of drainage shaft are equipped with silt collecting box 4, silt collecting box 4 and drainage shaft 2 are through arranging cinder notch 25 intercommunication, arrange on the 25 bottom lateral walls of cinder notch, it is connected with pivot 251 to keep away from to rotate on the lateral wall of 1 one side in escape canal promptly, fixedly connected with returning face plate on the pivot 251, the returning face plate is including the shutoff board 261 that is used for the shutoff to arrange cinder notch 25 and the guide plate 262 that is located and strains the 23 below of sand board, the contained angle that shutoff board 261 and guide plate 262 are is less than 180, shutoff board 261 and guide plate 262 are located the both sides of returning face plate and pivot 251 junction respectively.

Referring to fig. 2, 4 and 5, a first gear 252 is fixedly sleeved on the rotating shaft 251, a driving motor 253 is fixedly connected to the inner wall of the sediment collection box 4, the output end of the driving motor 253 is connected with a second gear 254, the first gear 252 is meshed with the second gear 254, when the filtering operation is performed, the driving motor 253 operates to drive the second gear 254 to rotate, and the rotating shaft 251 rotates in the slag discharge opening 25 through the meshing transmission of the first gear 252 and the second gear 254, so that the blocking plate 261 is blocked at the slag discharge opening 25, and at this time, the guide plate 262 is positioned below the sand filtering plate 23 in an inclined state.

Referring to fig. 2, 4 and 5, the guide plate 262 is fixedly connected with through-hole needles 263, the through-hole needles 263 correspond to the sand filtering holes 24 one by one, the diameter of the through-hole needles 263 is smaller than that of the sand filtering holes 24, after the filtering is completed, the driving motor 253 works to drive the turnover plate to rotate until the through-hole needles 263 are inserted into the sand filtering holes 24, the blocked sand filtering holes 24 are dredged, part of the dredged impurities are located on the upper surface of the sand filtering plate 23, and part of the dredged impurities fall onto the guide plate 262 from the sand filtering holes 24.

Referring to fig. 2, 4 and 5, the sand filtering plate 23 is connected one side middle part with the drainage well 2 and has been seted up the groove of stepping down 231, and the groove of stepping down 231 is used for playing the effect of stepping down to the rotation of upset board, has seted up opening 29 on the sand filtering plate 23, first gear 252 is in the inherent rotation of opening 29, lie in opening 29 circumference fixedly connected with baffler 291 on the sand filtering plate 23, baffler 291 and the cooperation of the 2 wall of a well of drainage well are around opening 29.

Referring to fig. 2, 4 and 5, a second cleaning assembly 6 for cleaning the sand filtering plate 23 is arranged in the drainage well 2, the second cleaning assembly 6 comprises a bracket 61 fixedly connected in the drainage well 2, a sliding block 62 slidably connected on the bracket 61, a cleaning brush 63 rotatably connected on the sliding block 62 and a first motor 64 for driving the cleaning brush 63 to rotate, and the other end of the bracket 61 is fixedly connected with the sand filtering plate 23. Fixedly connected with second motor 65 in the drainage well 2, second motor 65 output is connected with lead screw 66, and lead screw 66 and support 61 all are parallel arrangement with sand filtering plate 23, and threaded connection has drive block 67 on the lead screw 66, and cleaning brush 63 deviates from 62 one end of slider and is connected with drive block 67 rotation.

Referring to fig. 2, 4 and 5, a cleaning pump 28 is arranged in the drainage well 2, a water suction pipe 281 and a spray pipe 282 are connected to the cleaning pump 28, the water suction pipe 281 is connected to the bottom of the drainage well 2, the plane where the port of the water suction pipe 281 is located below the plane where the municipal pipeline 3 and the drainage well 2 are connected, the spray pipe 282 and the sand filtering plate 23 are arranged in parallel, and the spray pipe 282 is located above the sand filtering plate 23.

Referring to fig. 2 and 4, baffles 27 are fixedly connected to both sides of the sand filtering plate 23 in the width direction to improve the filtering effect on the accumulated water.

Referring to fig. 2 and 4, after the thru hole needle 263 penetrates the sand filtering hole 24, the cleaning pump 28 works to pump out a part of clean water at the bottom of the drainage well 2 and spray the part of clean water on the surface of the sand filtering plate 23, so as to flush the surface of the sand filtering plate 23, meanwhile, part of the clean water flows out of the sand filtering hole 24, so as to flush the surface of the flow guide plate 262, meanwhile, the first motor 64 works to drive the cleaning brush 63 to rotate, the second motor 65 works to drive the screw rod 66 to rotate, and the driving block 67 on the screw rod 66 drives the cleaning brush 63 to move along the length direction of the support 61, so as to clean the surface of the sand filtering plate 23.

Referring to fig. 2 and 4, a cleaning cover 41 is arranged on one side of the drainage ditch 1, a containing cavity 42 is formed below the cleaning cover 41, a sewage pump 43 is arranged in the containing cavity 42, a sewage suction pipe 44 is connected to the drainage pump, the port of the sewage suction pipe 44 is located at the bottom of the silt collecting box 4, when the silt in the silt collecting box 4 is too much, the cleaning cover 41 is opened, the sewage pump 43 is opened, and the silt in the silt collecting box 4 is sucked out through the sewage suction pipe 44.

The implementation principle of the embodiment is as follows: surface gathered water is from 1 discharge road surface in escape canal, reentrant in the pumping shaft 2, drop and accept on the board 21, under the guide effect of accepting board 21 and filter through the interception net 22, the part is not remained on the interception net 22 by 1 filterable impurity in escape canal, clean under water falls on the next board 21 of accepting, filter through second interception net 22, drop to straining sand 23 from accepting board 21 afterwards and strain the husky, silt remains on straining sand 23, clean water drops 2 bottoms of pumping shaft from straining sand hole 24 and collects the sediment, supernatant is discharged from municipal pipeline 3 afterwards.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a municipal works road drainage filtration system, includes escape canal (1), connects drainage shaft (2) in escape canal (1) bottom, municipal pipeline (3) of being connected with drainage shaft (2), be equipped with impurity filtering device and silt filter equipment in drainage shaft (2), silt filter equipment is located impurity filtering device below, its characterized in that: impurity filter equipment includes a plurality of fixed connection and accepts board (21) and rotate the interception net (22) of connection on accepting board (21) on drainage shaft (2) inner wall, vertical direction is adjacent two accept board (21) and connect on two relative lateral walls of drainage shaft (2), accept board (21) and be the slope setting, accept board (21) with drainage shaft (2) connect one end with distance between escape canal (1) is less than the distance between the other end and escape canal (1), be equipped with first clean subassembly (5) that are used for clean interception net (22) on accepting board (21), silt filter equipment includes sand filtering plate (23) of fixed connection on drainage shaft (2) lateral wall, sand filtering hole (24) have been seted up on sand filtering plate (23), sand filtering plate (23) are the slope setting, sand filtering plate (23) with drainage shaft (2) connect one end with the big distance between escape canal (1) is connected to drainage shaft (2) The distance between the other end and the drainage ditch (1), be equipped with in the pumping shaft (2) and be used for the clean subassembly (6) of second of straining sand board (23), pumping shaft (2) one side is equipped with silt collecting box (4).

2. The municipal engineering road drainage filtration system of claim 1, wherein: arrange cinder notch (25) on drainage shaft (2) lateral wall, it is used for the intercommunication to arrange cinder notch (25) drainage shaft (2) with silt collecting box (4), it is connected with the returning face plate to rotate on cinder notch (25) bottom lateral wall, the returning face plate is including shutoff board (261) that is used for the shutoff to arrange cinder notch (25) and guide plate (262) that are located and strain sand board (23) below, shutoff board (261) with guide plate (262) are the contained angle and are less than 180, shutoff board (261) with guide plate (262) are located respectively the returning face plate with arrange the both sides of cinder notch (25) junction.

3. The municipal engineering road drainage filtration system of claim 2, wherein: arrange cinder notch (25) internal rotation and be connected with pivot (251), returning face plate fixed connection is on pivot (251), fixed cover is equipped with first gear (252) in pivot (251), fixedly connected with driving motor (253) on silt collecting box (4) inner wall, driving motor (253) output is connected with second gear (254), first gear (252) with second gear (254) meshing.

4. The municipal engineering road drainage filtration system of claim 2, wherein: the guide plate (262) is provided with a through hole needle (263), and the through hole needle (263) corresponds to the sand filtering hole (24).

5. The municipal engineering road drainage filtration system of claim 1, wherein: the first cleaning component (5) comprises an electric push rod (53) fixedly connected in the drainage well (2) and a scrubbing brush (52) connected at the output end of the electric push rod (53).

6. The municipal engineering road drainage filtration system of claim 5, wherein: accept and seted up breach (211) on board (21), breach (211) are located and keep away from accept board (21) with drainage well (2) inner wall connection one end, fixedly connected with fixed plate (212) in breach (211), fixedly connected with fixed axle (213) are gone up in fixed plate (212), interception net (22) rotate to be connected on fixed axle (213), the cover is equipped with torsional spring (215) on fixed axle (213), torsional spring (215) one end with fixed plate (212) are connected, and the other end is connected with interception net (22).

7. The municipal engineering road drainage filtration system of claim 6, wherein: the side wall of the scrubbing brush (52) is fixedly connected with a push rod (521), and the push rod (521) is abutted against the intercepting net (22) along with the movement of the scrubbing brush (52).

8. The municipal engineering road drainage filtration system of claim 1, wherein: clean subassembly (6) of second include support (61), the slider (62) of sliding connection on support (61) in drainage well (2), rotate cleaning brush (63) of connection on slider (62) and be used for driving cleaning brush (63) pivoted first motor (64), fixedly connected with second motor (65) on drainage well (2) inner wall, second motor (65) output is connected with lead screw (66), threaded connection has drive block (67) on lead screw (66), cleaning brush (63) deviate from slider (62) one end with drive block (67) rotates and connects.

9. The municipal engineering road drainage filtration system of claim 8, wherein: be equipped with clean pump (28) in drainage shaft (2), be connected with on clean pump (28) and absorb water pipe (281) and shower (282), it connects to absorb water pipe (281) drainage shaft (2) bottom, shower (282) with strain sand board (23) parallel arrangement, shower (282) are located strain sand board (23) top.

10. The municipal engineering road drainage filtration system of claim 1, wherein: escape canal (1) one side is equipped with clean lid (41), clean lid (41) below has been seted up and has been held chamber (42), it is equipped with dredge pump (43) in chamber (42) to hold, be connected with sewage suction pipe (44) on dredge pump (43), sewage suction pipe (44) are connected silt collecting box (4) bottom of the case.

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