CN113073725A

CN113073725A - Municipal road initial rainwater collection device based on rainwater and sewage separation

Info

Publication number: CN113073725A
Application number: CN202110371695.4A
Authority: CN
Inventors: 陈学忠; 吕春亮; 陈德昌
Original assignee: Wuxi Mingteng Construction Engineering Co Ltd
Current assignee: Wuxi Mingteng Construction Engineering Co Ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-07-06

Abstract

The utility model relates to a based on rainwater and sewage reposition of redundant personnel town road initial stage rainwater collection device, it includes that the parallel is buried underground in rainwater pipeline and sewage pipe, be equipped with a plurality of rainwater inspection wells on the rainwater pipeline, the intercommunication has first connecting pipe between two adjacent rainwater inspection wells, be equipped with a plurality of sewage inspection wells on the sewage pipe, the intercommunication has the second connecting pipe between two adjacent sewage inspection wells, the bottom intercommunication of rainwater inspection well has rain sewage connecting pipe, rain sewage connecting pipe deviates from rainwater inspection well one end and sewage inspection well intercommunication. This application has and reduces to block that the sediment cage is long-time not to clear up and lead to the rainwater circulation not smooth and easy, and impurity blocks up for a long time and rot on blocking the sediment cage smelly, pollutes the effect of the possibility that the water influences the environment.

Description

Municipal road initial rainwater collection device based on rainwater and sewage separation

Technical Field

The application relates to the field of rainwater collection, in particular to a municipal road initial rainwater collection device based on rainwater and sewage separation.

Background

The initial rainwater often dissolves acidic gases, factory exhaust gases, automobile tail and other pollutant gases in the air, and the initial rainwater is directly discharged into a river channel to cause pollution to a certain degree for water environment treatment due to the fact that the initial rainwater containing a lot of organic pollutants, heavy metals and the like is directly discharged into the river channel after falling to the ground and scouring roof, asphalt concrete roads and the like, so that the initial rainwater is necessary to be collected.

Chinese patent with publication number CN208039405U discloses a municipal road initial rainwater collection device based on distribution of rain and sewage, including rainwater pipeline and sewage pipeline, be equipped with a plurality of rainwater inspection wells on the rainwater pipeline, be equipped with a plurality of sewage inspection wells on the sewage pipeline, rainwater inspection well and sewage inspection well pass through the rainwater sewage connecting tube and link to each other, the rainwater inspection well is by the control room, the rainwater is collected the room and is constituteed between going out the water, the inner wall that the rainwater inspection well is close to going out the water room is equipped with the motor, be equipped with the valve control cable that both ends link to each other with the power input end of control room one side and motor respectively on the lateral wall that the rainwater inspection well is close to control room one side, it is equipped with the protecting against shock board from last to having in proper order down to go out the water room, the electric valve, block the.

To the correlation technique among the above-mentioned, the inventor thinks rainwater collection device can separate out initial stage rainwater from drainage system, but in the in-service use process, block the impurity that sediment cage and play water weir board were used for intercepting the rainwater for a long time, block the sediment cage and be located the shaft bottom, need staff's clearance of going into the well at every turn, bring very big inconvenience for the staff, if block the sediment cage for a long time not clear up can cause and block up the sediment cage, thereby influence the collection effect of rainwater collection device to the rainwater, and block impurity on the sediment cage still can rot and smelly, pollute the water.

Disclosure of Invention

In order to reduce to block that the sediment cage is long-time not to clear up and lead to the rainwater circulation not smooth and easy, and impurity blocks up for a long time and rotten smelly on blocking the sediment cage, pollutes the possibility that the water influences the environment, this application provides one kind based on rainwater and sewage reposition of redundant personnel town road initial stage rainwater collection device.

The application provides a pair of town road initial stage rainwater collection device based on distribution of rain and sewage adopts following technical scheme:

a municipal road initial rainwater collecting device based on rainwater and sewage diversion comprises a rainwater pipeline and a sewage pipeline which are embedded underground in parallel, wherein a plurality of rainwater inspection wells are arranged on the rainwater pipeline, a first connecting pipe is communicated between every two adjacent rainwater inspection wells, a plurality of sewage inspection wells are arranged on the sewage pipeline, a second connecting pipe is communicated between every two adjacent sewage inspection wells, the bottoms of the rainwater inspection wells are communicated with a rainwater and sewage connecting pipe, one end of the rainwater and sewage connecting pipe, which is far away from the rainwater inspection wells, is communicated with the sewage inspection wells, a slag blocking cage is arranged above the rainwater and sewage connecting pipe in each rainwater inspection well, a slag blocking plate is fixedly connected to the inner wall of each rainwater inspection well, a mounting groove is formed in each slag blocking plate, a slag blocking net is detachably connected in each mounting groove, and a driving component for driving the slag blocking cage to move along the well depth direction is arranged in each rainwater inspection, block the sediment cage and rotate to connect on blocking the sediment net, the board body that blocks the sediment board is the slope setting, block the side that the sediment board is close to the rainwater inspection shaft wall of a well and be higher than and block the sediment board and be close to and block sediment net one side, be equipped with the transition pipe with rain sewage connecting pipe intercommunication in the rainwater inspection shaft, the transition pipe dorsad seted up the recess on the pipe wall of rain sewage connecting pipe one end, the recess sets up along transition pipe circumferencial direction, block sediment cage bottom and be equipped with the recess complex of pegging graft grafting piece, but grafting piece sliding connection is in the recess.

By adopting the technical scheme, at the initial stage of rainwater, rainwater enters the rainwater inspection wells through the rainwater pipeline and the well mouths of the rainwater inspection wells, rainwater in the inspection wells is communicated through the first connecting pipes, the initial rainwater passes through the rainwater inspection wells and then is discharged into the sewage inspection wells from the rainwater and sewage connecting pipes, and the sewage inspection wells are communicated through the second connecting pipes;

the initial rainwater entering the sewage inspection well from the rainwater inspection well needs to be subjected to deslagging treatment before passing through the rainwater and sewage connecting pipe, impurities in the initial rainwater are removed, the rainwater falls onto a slag blocking plate after entering the rainwater inspection well, is guided by the inclined slag blocking plate, flows towards a slag blocking net, is filtered by the slag blocking net or a slag blocking cage, enters the rainwater and sewage connecting pipe through a transition pipe and is discharged into the sewage inspection well, and when the slag blocking cage is used, an inserting block at the bottom of the slag blocking cage is inserted into a groove;

after the residue blocking cage is used for one time or several times, the residue blocking cage and the residue blocking net can rise to a well mouth from the bottom of a rainwater inspection well through the driving device, so that workers can clean the residue blocking cage and solid impurities on the residue blocking net conveniently, and the possibility that the rainwater is not smoothly circulated or the solid impurities are rotten and smelly to influence the environment is reduced because the solid residues are remained on the residue blocking net or the residue blocking cage.

Optionally, the driving assembly comprises a screw rod rotatably connected in the rainwater inspection well, a connecting block in threaded connection with the screw rod and a first motor connected to one end, close to the wellhead of the rainwater inspection well, of the screw rod, the connecting block is fixedly connected with the slag blocking net, and the screw rod is arranged on the slag blocking plate in a penetrating mode.

Through adopting above-mentioned technical scheme, when needs are cleaned sediment net and sediment cage, first motor work drives the lead screw and rotates, and the length direction of connecting block edge lead screw on the lead screw is to the removal of well head place direction to drive the sediment cage that is connected with connecting block fixed connection's sediment net and rotates with the sediment net and rise to well head department, make things convenient for the staff to clear up.

Optionally, a plurality of guide bars of fixedly connected with in the rainwater inspection shaft, it is a plurality of the guide bar is along well depth direction parallel arrangement, block the sediment net and be equipped with the installing frame all around, installing frame sliding connection is on a plurality of guide bars, the connecting block with installing frame fixed connection.

Through adopting above-mentioned technical scheme, the guide bar plays direction and spacing effect to the removal of connecting block, sediment net and sediment cage, and when sediment net rebound, the installing frame slides on a plurality of guide bars.

Optionally, the mounting groove lateral wall is equipped with the stair platform, the installing frame is contradicted on the stair platform.

Through adopting above-mentioned technical scheme, the ladder platform is used for placing the sediment board, and the ladder platform plays the restriction effect to the descending height of sediment net simultaneously.

It is optional, the transition intraductal fixed plate that is connected with, the fixed plate is circular fixed connection on the transition inside pipe wall, a plurality of holes of permeating water have been seted up on the fixed plate, the hole of permeating water is fan-shaped setting, and is a plurality of the hole of permeating water evenly arranges along the fixed plate circumferencial direction, it is connected with the adjustable ring to rotate in the transition pipe, the adjustable ring is located the fixed plate is close to rainwater inspection shaft well head one side, a plurality of shutoff pieces that are used for covering the hole of permeating water of adjustable ring internal fixedly connected with, the shutoff piece with the fixed plate.

Through adopting above-mentioned technical scheme, when sediment block net and sediment block cage rise the well head and clean, in order to avoid clean in-process solid impurity to fall in the transition pipe from the gap, thereby influence the patency of rain sewage connecting pipe, avoid solid impurity to fall in the rain sewage connecting pipe simultaneously, the rotten smelly condition that appears in inconvenient cleanness, the rainwater initial stage, the rainwater is in proper order through permeating water hole and adjustable ring reentrant rain sewage connecting pipe after filtering, when sediment block net and sediment block cage rise the well head, rotate the adjustable ring, make the shutoff piece shutoff on the adjustable ring in the hole department that permeates water, reduce solid impurity from sediment block net or sediment block cage and drop the possibility that the hole that permeates water enters into in the rain sewage connecting pipe.

Optionally, the adjustable ring rotates to be connected in the recess, the adjustable ring is close to block sediment cage one end fixedly connected with installation piece, the installation piece with the grafting piece cooperation is provided with a plurality ofly, the installation piece with the grafting piece is crisscross to be set up, and is a plurality of the installation piece is evenly arranged the adjustable ring circumferencial direction.

Through adopting above-mentioned technical scheme, the installation piece on the adjustable ring is located the recess, with the crisscross setting of grafting piece, before blocking the sediment cage and taking out, only need rotate and block the sediment cage, can realize that the adjustable ring rotates to realize the shutoff of shutoff piece in the hole department that permeates water, when blocking the sediment cage installation, descend earlier and block the sediment cage, make the grafting piece peg graft between two installation pieces, block the sediment cage in the rotation, make the adjustable ring rotate, rotate the shutoff piece to the hole one side of permeating water, make things convenient for the rainwater from the hole process of permeating water.

Optionally, a locking block is fixedly connected to one side of the insertion block, a blocking block is arranged at the position of the groove opening, and a plurality of blocking blocks are arranged along the circumferential direction of the groove in a matched mode with the installation block.

Through adopting above-mentioned technical scheme, when blocking the sediment net and rotating, the latch segment is pegged graft in blocking the piece below, reduces the possibility that the plug segment drops from the recess in, blocks the piece and plays to compress tightly the effect to the regulating ring simultaneously, reduces the clearance between shutoff piece and the fixed plate, reduces the possibility that impurity falls in the rain sewage connecting pipe.

Optionally, be equipped with the drive in the rainwater inspection shaft and block sediment cage pivoted adjusting part, adjusting part establishes the second bevel gear on blocking the sediment cage including the second motor of fixing in the rainwater inspection shaft, the first bevel gear of connection at second motor output and fixed cover, the second motor is located between sediment board and the rainwater inspection shaft bottom.

Through adopting above-mentioned technical scheme, the work of second motor drives first bevel gear and rotates, and first bevel gear drives second bevel gear and rotates to realize blocking the sediment cage and rotate, when blocking sediment cage and rise, first bevel gear breaks away from with second bevel gear, and when blocking sediment cage and descend, first bevel gear and second bevel gear meshing.

Optionally, the slag blocking net comprises two centrosymmetric net pieces, and the two net pieces are detachably connected.

Through adopting above-mentioned technical scheme, two net pieces can be dismantled, conveniently block the sediment cage and take out to it is more thorough to make to block the clearance of sediment cage.

Optionally, a limiting groove is formed in one side, opposite to the net piece, of the net piece, the limiting groove of the net piece is spliced into a ring shape, a limiting block is fixedly connected to the arc-shaped side wall of the slag blocking cage, and the limiting block is connected to the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, block the stopper of sediment cage and fix at two spacing inslots to make and block the sediment cage and can rotate for blocking the sediment net, conveniently block the sediment cage and conveniently take out the cleanness when sediment cage uses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the slag blocking plate, the slag blocking net, the slag blocking cage and the driving assembly for driving the slag blocking net and the slag blocking cage to move towards the wellhead direction, the slag blocking plate guides rainwater, so that the rainwater is rapidly filtered by the slag blocking net and the slag blocking cage, the driving assembly moves the slag blocking net and the slag blocking cage to the wellhead after filtering, and solid impurities filtered on the slag blocking net and the slag blocking cage are cleaned;

2. through the fixed plate, set up the hole of permeating water on the fixed plate, rotate the setting of connecting the adjustable ring in the transition pipe and fixing the shutoff piece on the adjustable ring, when needs filter the rainwater, the shutoff piece rotates hole one side of permeating water, makes things convenient for the rainwater process, blocks sediment cage and trash screen before needs are clean, rotates the adjustable ring earlier, makes the shutoff piece on the adjustable ring rotate to cover the hole of permeating water, reduces the possibility that solid impurity fell in the rain sewage connecting pipe.

Drawings

Fig. 1 is an overall cross-sectional schematic view of a road initial rainwater collecting device in an embodiment of the present application.

Fig. 2 is an enlarged view of a point a in fig. 1 in the embodiment of the present application.

FIG. 3 is a schematic partial cross-sectional view of a rainwater inspection well in an embodiment of the present application.

Fig. 4 is a schematic partial explosion between a slag trap cage and a transition pipe in an embodiment of the application.

Description of reference numerals: 1. a rainwater inspection well; 11. a rainwater pipeline; 12. a first connecting pipe; 2. a sewage inspection well; 21. a sewage conduit; 22. a second connecting pipe; 3. a rain sewage connecting pipe; 41. a slag blocking plate; 411. mounting grooves; 412. a stair step; 42. a slag blocking cage; 421. an insertion block; 422. a locking block; 423. a limiting block; 431. a mesh sheet; 432. installing a frame; 433. a limiting groove; 5. a drive assembly; 51. a screw rod; 52. connecting blocks; 53. a first motor; 54. a guide bar; 6. a transition duct; 61. a groove; 611. a blocking block; 62. a fixing plate; 621. water permeable holes; 63. an adjusting ring; 631. a plugging sheet; 632. mounting blocks; 7. an adjustment assembly; 71. a second motor; 72. a first bevel gear; 73. a second bevel gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses based on distribution of rain and sewage municipal road initial rainwater collection device. Referring to fig. 1, based on rainwater and sewage reposition of redundant personnel town road initial stage rainwater collection device includes that the parallel is buried underground in rainwater pipeline 11 and sewage conduit 21, be provided with a plurality of rainwater inspection wells 1 on rainwater pipeline 11, the intercommunication has first connecting pipe 12 between two adjacent rainwater inspection wells 1, be provided with a plurality of sewage inspection wells 2 on the sewage conduit 21, the intercommunication has second connecting pipe 22 between two adjacent sewage inspection wells 2, it has rainwater connecting pipe 3 to communicate between rainwater inspection well 1 and the sewage inspection well 2, 3 one end of rainwater sewage connecting pipe and 1 shaft bottom intercommunication of rainwater inspection well, the other end and 2 lateral walls of sewage inspection well communicate.

Referring to fig. 2 and 3, a slag blocking plate 41 is fixedly connected to an inner wall of the rainwater inspection well 1 near one end of the well bottom, a mounting groove 411 is formed in the slag blocking plate 41, the mounting groove 411 is a square through groove, the slag blocking plate 41 inclines from one side near the wall of the rainwater inspection well 1 to one side where the mounting groove 411 is located, namely, one side of the slag blocking plate 41 near the wall of the rainwater inspection well 1 is higher than one side near the notch of the mounting groove 411. A step platform 412 is arranged on the inner wall of the mounting groove 411, a slag blocking net is arranged on the step platform 412, a mounting frame 432 is arranged around the slag blocking net, and the mounting frame 432 abuts against the side wall of the step platform 412.

Referring to fig. 3, the slag blocking net comprises two net sheets 431 with central symmetry, mounting frames 432 are arranged on the outer sides of the two net sheets 431, and the two mounting frames 432 are connected through connecting sheets and fixed through bolts.

Referring to fig. 2 and 3, the relative one side of two net sheets 431 has been seted up the spacing groove 433, and when two net sheets 431 spliced, two spacing grooves 433 spliced into the annular, block the circumferencial direction fixedly connected with stopper 423 of sediment cage 42, stopper 423 is the ring form setting, and stopper 423 sliding connection is in two spacing grooves 433.

Referring to fig. 2 and 3, the limiting block 423 of the slag blocking cage 42 is installed in the limiting groove 433, the connecting sheet is laid between the two mounting frames 432, and the connecting sheet is fixed with the two mounting frames 432 through bolts, so that the slag blocking cage 42 can rotate relative to the slag blocking net conveniently.

Referring to fig. 3 and 4, inlay on the 1 bottom lateral wall of rainwater inspection shaft and be equipped with transition pipe 6, transition pipe 6 is used for connecting rainwater inspection shaft 1 and rain sewage connecting pipe 3, and transition pipe 6 deviates from 3 one ends of rain sewage connecting pipe and flushes with 1 shaft bottom of rainwater inspection shaft, and transition pipe 6 has seted up recess 61 on deviating from the pipe wall of 3 one ends of rain sewage connecting pipe, and recess 61 sets up the circularity along 6 circumferencial direction of transition pipe.

Referring to fig. 4, the notch of the groove 61 is provided with the blocking block 611, the number of the blocking blocks 611 is uniformly 4 in the embodiment of the present application along the circumferential direction of the groove 61, the bottom of the slag blocking cage 42 is fixedly connected with the insertion block 421, the number of the insertion blocks 421 in the embodiment of the present application is 4, one side of the insertion block 421 is fixedly connected with the locking block 422, and a group of the insertion block 421 and the locking block 422 are inserted into the groove 61 from between the two blocking blocks 611, so as to realize the installation of the slag blocking cage 42.

Referring to fig. 3 and 4, the fixed plate 62 that is equipped with is inlayed to transition pipe 6 inside fixed, and fixed plate 62 is the disc setting, has seted up a plurality of holes 621 of permeating water on the fixed plate 62, and the hole 621 of permeating water is the fan-shaped setting concentric with fixed plate 62, and the hole 621 of permeating water evenly is provided with 3 on fixed plate 62, and the angle is 60.

Referring to fig. 3 and 4, be equipped with adjustable ring 63 in the transition pipe 6, adjustable ring 63 rotates in the recess 61 of connection on transition pipe 6, and adjustable ring 63 hugs closely the lateral wall that fixed plate 62 deviates from rainwater sewage connecting pipe 3 one side, and a plurality of shutoff pieces 631 that are used for covering hole 621 of permeating water of fixedly connected with in the adjustable ring 63, shutoff piece 631 quantity and the hole 621 quantity of permeating water are unanimous.

Referring to fig. 3 and 4, one end of the adjusting ring 63, which is close to the slag retaining cage 42, is fixedly connected with mounting blocks 632, the number of the mounting blocks 632 is the same as that of the insertion blocks 421, 4 mounting blocks 632 are uniformly arranged along the circumferential direction of the adjusting ring 63, the mounting blocks 632 are always located between the blocking blocks 611 and the groove 61, and are used for reducing the gap between the adjusting ring 63 and the fixing plate 62, and the mounting blocks 632 and the insertion blocks 421 are staggered when located in the groove 61.

Referring to fig. 1, an adjusting assembly 7 for driving a slag blocking cage 42 to rotate is arranged in a rainwater inspection well 1, the adjusting assembly 7 comprises a second motor 71 fixed in the rainwater inspection well 1, a first bevel gear 72 connected to an output end of the second motor 71, and a second bevel gear 73 fixedly sleeved on the slag blocking cage 42, the second motor 71 is located between a slag blocking plate 41 and the bottom of the rainwater inspection well 1, and the second motor 71 is a waterproof motor.

Referring to fig. 1 and 4, when the insertion block 421 is located in the groove 61, the locking block 422 is inserted between the blocking block 611 and the groove 61, and the first bevel gear 72 is engaged with the second bevel gear 73; after filtration, when the slag blocking net and the slag blocking cage 42 need to be cleaned, the second motor 71 works to drive the first bevel gear 72 to rotate, the first bevel gear 72 is meshed with the second bevel gear 73 to drive the second bevel gear 73 to rotate, so that the slag blocking cage 42 rotates until the inserting block 421 rotates to separate from the blocking block 611, the inserting block 421 pushes the mounting block 632 to rotate in the rotating process, and the mounting block 632 is always inserted between the groove 61 and the blocking block 611 in the rotating process.

Referring to fig. 1, a driving assembly 5 for driving the slag blocking cage 42 and the slag blocking net to move is arranged in the rainwater inspection well 1, the driving assembly 5 comprises a screw rod 51 rotatably connected in the rainwater inspection well 1, a connecting block 52 in threaded connection with the screw rod 51 and a first motor 53 connected to one end, close to the wellhead, of the screw rod 51, the connecting block 52 is fixedly connected with one of the mounting frames 432, the screw rod 51 penetrates through the slag blocking plate 41, and the first motor 53 and the screw rod 51 are both arranged on one side of the well lid of the rainwater inspection well 1.

Referring to fig. 1 and 3, the step 412 is fixedly connected with guide rods 54, the guide rods 54 are arranged along the well depth direction, the guide rods 54 are respectively positioned at four corners of the step 412, and four corners of the mounting frame 432 are slidably connected to the guide rods 54.

Referring to fig. 1 and 3, after the insertion block 421 is separated from the limit position of the blocking block 611, the first motor 53 works to drive the screw rod 51 to rotate, and along with the rotation of the screw rod 51, the connection block 52 moves along the length direction of the screw rod 51, and drives the installation frame 432, the slag blocking net and the slag blocking cage 42 to move along the length direction of the guide rod 54 until the slag blocking net and the slag blocking cage 42 move to the wellhead, so that the cleaning of workers is facilitated.

The embodiment of the application provides a municipal road initial rainwater collection device based on distribution of rain and sewage's implementation principle does: the initial rainwater enters the rainwater inspection well 1 from a rainwater pipeline 11 or a wellhead of the rainwater and sewage inspection well 2, flows in the direction of a slag blocking net and a slag blocking cage 42 after being guided by a slag blocking plate 41, falls between the slag blocking plate 41 and the bottom of the rainwater inspection well 1 after being filtered by the slag blocking net, enters a transition pipe 6 after being filtered by the slag blocking cage 42, or directly enters the transition pipe 6 after being filtered by the slag blocking cage 42, passes through a water permeable hole 621, enters the rainwater and sewage inspection well 2 after passing through a rainwater and sewage connecting pipe 3 and is subjected to unified treatment;

after rainwater is filtered, the second motor 71 works to drive the first bevel gear 72 to rotate, the second bevel gear 73 meshed with the first bevel gear 72 drives the slag blocking cage 42 to rotate relative to the slag blocking net until the inserting block 421 at the bottom of the slag blocking net pushes the mounting block 632, so that the plugging piece 631 on the adjusting ring 63 is plugged in the water permeable hole 621, the inserting block 421 and the locking block 422 are both completely separated from the blocking block 611, the first motor 53 works to drive the screw rod 51 to rotate, the connecting block 52 on the screw rod 51 drives the mounting frame 432, the slag blocking net and the slag blocking cage 42 move to the wellhead along the height direction of the guide rod 54, and workers can clean the slag blocking net and the slag blocking cage 42 conveniently. If necessary, the two mounting frames 432 that are joined to one another can be detached, and the slag-retaining cage 42 can be removed from between the two slag-retaining nets for more careful cleaning.

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

1. The utility model provides a based on rainwater and sewage reposition of redundant personnel town road initial stage rainwater collection device, includes that the parallel buries underground in rainwater pipeline (11) and sewage pipe (21), be equipped with a plurality of rainwater inspection wells (1) on rainwater pipeline (11), adjacent two the intercommunication has first connecting pipe (12) between rainwater inspection well (1), be equipped with a plurality of sewage inspection wells (2) on sewage pipe (21), adjacent two the intercommunication has second connecting pipe (22) between sewage inspection well (2), the bottom intercommunication of rainwater inspection well (1) has rainwater sewage connecting pipe (3), rainwater sewage connecting pipe (3) deviate from rainwater inspection well (1) one end and sewage inspection well (2) intercommunication, its characterized in that: a slag blocking cage (42) is arranged above the rainwater and sewage connecting pipe (3) in the rainwater inspection well (1), a slag blocking plate (41) is fixedly connected to the inner wall of the rainwater inspection well (1), a mounting groove (411) is formed in the slag blocking plate (41), a slag blocking net is detachably connected in the mounting groove (411), a driving assembly (5) for driving the slag blocking cage (42) to move along the well depth direction is arranged in the rainwater inspection well (1), the slag blocking cage (42) is rotatably connected to the slag blocking net, the plate body of the slag blocking plate (41) is obliquely arranged, the side edge of the slag blocking plate (41) close to the wall of the rainwater inspection well (1) is higher than the side edge of the slag blocking plate (41) close to the slag blocking net, a transition pipe (6) communicated with the rainwater and sewage connecting pipe (3) is arranged in the rainwater inspection well (1), and a groove (61) is formed in the pipe wall of one end, deviating from the rainwater and sewage connecting pipe (3), of the transition pipe (6, recess (61) set up along transition pipe (6) circumferencial direction, it is equipped with recess (61) grafting complex plug block (421) to block sediment cage (42) bottom, but plug block (421) sliding connection is in recess (61).

2. The rainwater and sewage separation-based municipal road initial rainwater collection device according to claim 1, characterized in that: drive assembly (5) are including rotating lead screw (51), the connecting block (52) of threaded connection on lead screw (51) of connection in rainwater inspection shaft (1) and connecting first motor (53) that are close to rainwater inspection shaft (1) well head one end in lead screw (51), connecting block (52) with block sediment net fixed connection, lead screw (51) are worn to establish on blocking sediment board (41).

3. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 2, characterized in that: a plurality of guide rods (54) are fixedly connected in the rainwater inspection well (1), the guide rods (54) are arranged in parallel along the well depth direction, an installation frame (432) is arranged on the periphery of the slag blocking net, the installation frame (432) is connected onto the guide rods (54) in a sliding mode, and the connecting block (52) is fixedly connected with the installation frame (432).

4. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 3, characterized in that: the mounting groove (411) side wall is provided with a step platform (412), and the mounting frame (432) is abutted to the step platform (412).

5. The rainwater and sewage separation-based municipal road initial rainwater collection device according to claim 1, characterized in that: transition pipe (6) in-connection has fixed plate (62), fixed plate (62) are circular fixed connection on transition pipe (6) inner wall, a plurality of holes (621) of permeating water have been seted up on fixed plate (62), it is fan-shaped setting to permeate water hole (621), and is a plurality of permeate water hole (621) are evenly arranged along fixed plate (62) circumferencial direction, transition pipe (6) internal rotation is connected with adjustable ring (63), adjustable ring (63) are located fixed plate (62) are close to rainwater inspection shaft (1) well head one side, a plurality of shutoff pieces (631) that are used for covering hole (621) of permeating water of fixed ring (63) internal fixed connection, shutoff piece (631) with fixed plate (62) are contradicted.

6. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 5, wherein the rainwater and sewage separation-based initial rainwater collecting device comprises: adjusting ring (63) rotate to be connected in recess (61), adjusting ring (63) are close to block sediment cage (42) one end fixedly connected with installation piece (632), installation piece (632) with it is provided with a plurality ofly to insert joint piece (421) cooperation, installation piece (632) with it sets up to insert joint piece (421) crisscross, and is a plurality of installation piece (632) evenly arrange adjusting ring (63) circumferencial direction.

7. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 6, wherein the rainwater and sewage separation-based initial rainwater collecting device comprises: one side of the inserting block (421) is fixedly connected with a locking block (422), a notch of the groove (61) is provided with a blocking block (611), and the blocking block (611) is provided with a plurality of locking blocks matched with the mounting block (632) along the circumferential direction of the groove (61).

8. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 7, wherein the rainwater and sewage separation-based initial rainwater collecting device comprises: be equipped with the drive in rainwater inspection shaft (1) and block sediment cage (42) pivoted adjusting part (7), adjusting part (7) are established second bevel gear (73) on blocking sediment cage (42) including second motor (71), the first bevel gear (72) of connection at second motor (71) output and fixed cover fixed fixing in rainwater inspection shaft (1), second motor (71) are located between sediment board (41) and rainwater inspection shaft (1) shaft bottom.

9. The rainwater and sewage separation-based municipal road initial rainwater collection device according to claim 1, characterized in that: the slag blocking net comprises two centrosymmetric net pieces (431), and the two net pieces (431) are detachably connected.

10. The rainwater and sewage separation-based initial rainwater collecting device for the municipal road according to claim 9, wherein: two spacing groove (433) have all been seted up to one side that net piece (431) is relative, two spacing groove (433) concatenation of net piece (431) is annular, fixedly connected with stopper (423) on the arc lateral wall of blocking sediment cage (42), stopper (423) sliding connection is in spacing groove (433).