CN215053770U

CN215053770U - Ash and sand intercepting device for vertical single-grate gutter inlet

Info

Publication number: CN215053770U
Application number: CN202120970902.3U
Authority: CN
Inventors: 沈敏杰; 王志龙; 吴杰; 施超程
Original assignee: Shanghai Pulin Urban Construction Engineering Co ltd
Current assignee: Shanghai Pulin Urban Construction Engineering Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-07
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to an ash sand intercepting device of vertical single grate inlet for stom water, the setting is in single grate inlet for stom water, ash sand intercepting device includes rivers direction bottom plate, rivers direction curb plate subassembly and rainwater filter and deposit the bag, rivers direction curb plate subassembly is including the first curb plate that connects gradually, connecting plate and second curb plate, form one end open-ended U-shaped structure, rivers direction bottom plate sets up the open end at rivers direction curb plate subassembly, connect first curb plate and second curb plate respectively, be equipped with the clearance between rivers direction bottom plate and the connecting plate, be formed with and deposit the bag mounting groove, the rainwater filters and deposits the bag and install in depositing the bag mounting groove. Compared with the prior art, the utility model discloses having optimized traditional inlet for stom water and having cut dirty effect poor, the easy not enough that blocks up, having promoted and cut dirty effect, the maintenance mode of optimizing the later stage inlet for stom water has remaining the mode of empting of changing into with original clearly to drag for time consuming, after dragging for clearly.

Description

Ash and sand intercepting device for vertical single-grate gutter inlet

Technical Field

The utility model belongs to the technical field of inlet for stom water ash sand filtration and specifically relates to an ash sand intercepting device of vertical single grate inlet for stom water.

Background

Traditional water inlet collects the road surface rainwater through the rainwater grid and flows into rainwater pipe network, nevertheless can be mingled with road surface rubbish such as leaf, kernel, silt, plastic bag in the in-process water that the rainwater was collected, if can not in time clear up and cause the pipe blockage very easily, serious can lead to the waterlogging condition in city to take place.

The utility model with the publication number of CN112411715A discloses a three-stage filtration environment-friendly gutter inlet, which comprises a rainwater grate, a water inlet pipe, a water outlet pipe and a water inlet pipe, wherein the rainwater grate is positioned at the inlet of the top of the gutter inlet and is flush with the road surface; the grid basket sewage intercepting groove is positioned right below the rainwater grate; the rainwater settling zone is located the inlet for stom water bottom region, and rainwater settling zone central point puts to be the overflow filtering area, and the overflow filtering area is equipped with overflow filter head and overflow riser, and the overflow riser runs through from the inlet for stom water bottom through pre-buried sleeve pipe, and is perpendicular with the inlet for stom water, and the upper end and the overflow filter head of overflow riser are connected, and the overflow riser lower extreme passes through the elbow and is connected with the discharge pipe of inlet for stom water bottom.

The gutter inlet has the following defects:

1. the rainwater inlet mainly filters impurities through the overflow filter head, the filtering area of the overflow filter head is small, the filtering efficiency is low, impurity blockage is easy to generate, and the replacement rate is high;

2. this inlet for stom water needs carry out impurity in the overflow filtering area and salvages to the clearance of impurity, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical single-grate inlet for stom water's ash and sand intercepting device in order to overcome the defects of the prior art that the sewage intercepting effect is poor and the blockage is easy.

The purpose of the utility model can be realized through the following technical scheme:

the ash and sand intercepting device of the vertical single-grate gutter inlet is arranged in a single-grate gutter inlet and comprises a water flow guide bottom plate, a water flow guide side plate assembly and a rainwater filtering and precipitating bag, wherein the water flow guide side plate assembly comprises a first side plate, a connecting plate and a second side plate which are sequentially connected to form a U-shaped structure with one open end, the water flow guide bottom plate is arranged at the open end of the water flow guide side plate assembly and is respectively connected with the first side plate and the second side plate, a gap is formed between the water flow guide bottom plate and the connecting plate to form a precipitating bag mounting groove, and the rainwater filtering and precipitating bag is mounted in the precipitating bag mounting groove.

Further, the rainwater filtering and precipitating bag is detachably arranged in the precipitating bag mounting groove.

Furthermore, two ends of the rainwater filtering and precipitating bag are respectively connected with a precipitating bag brace rod;

one end, close to a sedimentation bag mounting groove, of the water flow guide bottom plate is provided with a strut groove, the strut groove is matched with a sedimentation bag strut and used for realizing mounting and fixing of one sedimentation bag strut, the first side plate and the second side plate are respectively provided with a strut entry notch, a strut rail and a strut clamping groove which are corresponding in position and used for realizing dismounting and mounting of the other sedimentation bag strut, the strut entry notch and the strut clamping groove are respectively positioned at two ends of the strut rail to form a Z-shaped structure, the strut entry notch faces the upper end of the first side plate or the second side plate and is communicated to the upper surface of the first side plate or the second side plate, and the strut clamping groove faces the lower end of the first side plate or the second side plate;

the distance between the first side plate and the second side plate is matched with the length of the sedimentation bag supporting rod, and the size of the supporting rod entering the notch, the supporting rod track and the supporting rod clamping groove is matched with the rod diameter of the sedimentation bag supporting rod.

Furthermore, the sedimentation bag support rod is connected with a support rod handle, a handle groove is correspondingly formed in the water flow guide bottom plate, and the handle groove is matched with the support rod handle in shape.

Furthermore, the dust and sand intercepting device further comprises a rainwater anti-backflow plate which is of a plate-shaped structure, a rainwater through hole is formed in the middle of the rainwater anti-backflow plate, the rainwater anti-backflow plate is supported by the water flow guide side plate assembly and located above the rainwater filtering and precipitating bag, and the rainwater anti-backflow plate is used for inhibiting impurities below the rainwater anti-backflow plate from flowing upwards.

Furthermore, one end of the rainwater anti-return plate is provided with a plurality of fixing lugs, the connecting plate is correspondingly provided with a plurality of lug fixing grooves, and the lug fixing grooves are matched with the fixing lugs to fix one end of the rainwater anti-return plate so that the rainwater anti-return plate can turn over.

Furthermore, the periphery of the rainwater through hole in the rainwater anti-return plate is provided with a sunken edge, and the sunken edge inclines towards the lower part of the rainwater through hole.

Furthermore, the dust and sand intercepting device also comprises a first guide plate, a second guide plate and a water inlet assembly, wherein the water inlet assembly is of a hollow columnar structure and is arranged at one end of the water flow guide bottom plate and one end of the water flow guide side plate assembly, which are far away from the sedimentation bag mounting groove;

the one end rotatable coupling of settling bag mounting groove is kept away from to first curb plate first deflector, the one end rotatable coupling of settling bag mounting groove is kept away from to the second curb plate the second deflector for realize rotating first deflector and second deflector, press close to the inner wall of water inlet subassembly.

Furthermore, the first side plate and the second side plate are provided with rivet fixing grooves and are connected with the well wall of the single-grate rainwater port through rivets to support the weight of one end, close to the settling bag mounting groove, of the ash and sand intercepting device.

Furthermore, the ash and sand intercepting device also comprises a guide fixing plate which is connected above the water flow guide side plate assembly and is used for connecting the well wall of the single-grate gully and supporting the ash and sand intercepting device.

Compared with the prior art, the utility model has the advantages of it is following:

(1) adopt the utility model discloses a behind the ash and sand intercepting device of vertical single grate inlet for stom water, the rainwater gets into the gravel and sand granule that the rainwater filters the sediment bag through filtering and deposits in the rainwater through rivers direction bottom plate and rivers direction curb plate subassembly, and the rainwater filters the sediment bag through the rainwater and discharges in the rainwater inspection shaft. The utility model discloses a husky intercepting device of ash of vertical single grate inlet for stom water has following advantage: the rainwater inlet has the advantages that the defect that the sewage intercepting effect of the traditional rainwater inlet is poor and the rainwater inlet is easy to block is optimized, the sewage intercepting effect is improved, the maintenance mode of the rainwater inlet in the later stage is optimized, and the mode that the rainwater inlet is toppled over after being cleaned and fished in the prior art is remained.

(2) The utility model discloses a rainwater filters and deposits bag is equipped with two and deposits the bag vaulting pole, and a sediment bag vaulting pole is installed in the vaulting pole recess of rivers direction bottom plate, and another deposits bag vaulting pole accessible gets into breach and vaulting pole track through the vaulting pole in first curb plate and second curb plate in proper order, and final card goes into in the vaulting pole draw-in groove, realizes fixing, realizes otherwise dismantling, and the maintenance in-process of being convenient for filters the dismantlement and the installation of deposiing the bag to the rainwater.

(3) The utility model discloses be provided with rainwater anti-reflux board above rainwater filtration precipitation bag, rainwater anti-reflux board middle part is equipped with the rainwater through-hole, can prevent that the floater from forming the backward flow because of rivers erode, blocking up the water inlet.

Drawings

Fig. 1 is a schematic view illustrating an installation state of a sand and ash blocking device of a vertical single-grate gully provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of an ash and sand intercepting device of a vertical single-grate gully provided in an embodiment of the present invention;

fig. 3 is a first structural schematic view of a water flow guide bottom plate and a water flow guide side plate assembly provided in an embodiment of the present invention;

fig. 4 is a second structural schematic view of a water flow guiding bottom plate and a water flow guiding side plate assembly provided in an embodiment of the present invention;

fig. 5 is a schematic structural view of a rainwater backflow prevention plate provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of a rainwater filtering and settling bag provided in an embodiment of the present invention;

in the figure, 1, a water flow guide bottom plate, 11, a support rod groove, 12, a handle groove, 2, a water flow guide side plate assembly, 21, a first side plate, 211, a support rod entering notch, 212, a support rod rail, 213, a support rod clamping groove, 214, an anchor fixing groove, 22, a connecting plate, 221, a lug fixing groove, 23, a second side plate, 24, a precipitation bag mounting groove, 3, a rainwater filtering precipitation bag, 31, a precipitation bag support rod, 32, a support rod handle, 4, a rainwater anti-backflow plate, 41, a rainwater through hole, 42, a fixing lug, 43, a sunken edge, 5, a first guide plate, 6, a second guide plate, 7, a water inlet assembly, 8, a guide fixing plate, 9 and a well wall.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

Referring to fig. 1 to 3, the embodiment provides a dust and sand intercepting device of vertical single-grate gutter inlet, the setting is in single-grate gutter inlet, the dust and sand intercepting device comprises a water flow guide bottom plate 1, a water flow guide side plate assembly 2 and a rainwater filtering and precipitating bag 3, the water flow guide side plate assembly 2 comprises a first side plate 21, a connecting plate 22 and a second side plate 23 which are connected in sequence, a U-shaped structure with one open end is formed, the water flow guide bottom plate 1 is arranged at the open end of the water flow guide side plate assembly 2 and is respectively connected with the first side plate 21 and the second side plate 23, the lengths of the first side plate 21 and the second side plate 23 are both greater than the length of the water flow guide bottom plate 1, a precipitating bag mounting groove 24 is formed between the water flow guide bottom plate 1 and the water flow guide side plate assembly 2, and the rainwater filtering and precipitating bag 3 is mounted in the precipitating bag mounting groove 24.

Rainwater enters the rainwater filtering and precipitating bag through the water flow guiding bottom plate and the water flow guiding side plate assembly and is filtered and precipitated sand and stone particles in rainwater, and the rainwater is discharged into the rainwater inspection well through the rainwater filtering and precipitating bag. The utility model discloses a husky intercepting device of ash of vertical single grate inlet for stom water has following advantage: the rainwater inlet has the advantages that the defect that the sewage intercepting effect of the traditional rainwater inlet is poor and the rainwater inlet is easy to block is optimized, the sewage intercepting effect is improved, the maintenance mode of the rainwater inlet in the later stage is optimized, and the mode that the rainwater inlet is toppled over after being cleaned and fished in the prior art is remained.

Preferably, the rainwater filtering and settling bag 3 is detachably installed in the settling bag installation groove 24. The following provides a concrete structure for detachably mounting the rainwater filtering and settling bag 3:

referring to fig. 3, 4 and 6, a precipitation bag brace 31 is connected to each end of the rainwater filtering precipitation bag 3;

one end of the water flow guide bottom plate 1, which is close to the sedimentation bag installation groove 24, is provided with a strut groove 11, the strut groove 11 is matched with the sedimentation bag strut 31 to realize installation and fixation of one sedimentation bag strut 31, the first side plate 21 and the second side plate 23 are respectively provided with a strut entry notch 211, a strut rail 212 and a strut clamping groove 213 which are corresponding in position to realize disassembly and installation of the other sedimentation bag strut 31, the strut entry notch 211 and the strut clamping groove 213 are respectively positioned at two ends of the strut rail 212 to form a zigzag structure, the strut entry notch 211 faces the upper end of the first side plate 21 or the second side plate 23 and is communicated to the upper surface of the first side plate 21 or the second side plate 23, and the strut clamping groove 213 faces the lower end of the first side plate 21 or the second side plate 23;

the distance between the first side plate 21 and the second side plate 23 is matched with the length of the sedimentation bag brace 31, and the sizes of the brace entering notch 211, the brace track 212 and the brace clamping groove 213 are matched with the rod diameter of the sedimentation bag brace 31.

In order to facilitate taking and placing the sedimentation bag stay bar 31, the sedimentation bag stay bar 31 is connected with a stay bar handle 32, a handle groove 12 is correspondingly arranged on the water flow guide bottom plate 1, and the handle groove 12 is matched with the stay bar handle 32 in shape.

If the rainwater that falls into rainwater filtration sediment bag 3 is too much, can flow back and spill over, when serious, can make road surface rubbish such as leaf, stone, silt, plastic bag plug up the entry of lime-sand intercepting device, therefore this embodiment still provides a preferred structure as follows:

referring to fig. 2, 3 and 5, a rainwater anti-backflow plate is provided for preventing the floaters from flowing back due to water flow erosion, the sand dust intercepting device further comprises a rainwater anti-backflow plate 4, the rainwater anti-backflow plate 4 is of a plate-shaped structure, a rainwater through hole 41 is formed in the middle of the rainwater anti-backflow plate 4, and the rainwater anti-backflow plate 4 is supported by the water flow guide side plate assembly 2 and is located above the rainwater filtering and precipitating bag 3 to prevent water flow below the rainwater anti-backflow plate 4 from flowing back upwards.

One end of the rainwater anti-return plate 4 is provided with a plurality of fixing lugs 42, the connecting plate 22 is correspondingly provided with a plurality of lug fixing grooves 221, and the lug fixing grooves 221 are matched with the fixing lugs 42 to fix one end of the rainwater anti-return plate 4, so that the rainwater anti-return plate 4 can be overturned and disassembled.

The periphery of the rainwater through hole 41 in the rainwater anti-return plate 4 is provided with a sunken edge 43, and the sunken edge 43 inclines towards the lower part of the rainwater through hole 41, so that rainwater drainage is facilitated.

In order to have better drainage effect, the embodiment also provides the following preferred embodiments: the ash and sand intercepting device further comprises a first guide plate 5, a second guide plate 6 and a water inlet assembly 7, wherein the water inlet assembly 7 is of a hollow columnar structure and is arranged at one end, away from the sedimentation bag mounting groove 24, of the water flow guide bottom plate 1 and the water flow guide side plate assembly 2, and specifically, the water inlet assembly 7 is of a hollow cuboid structure formed by sequentially connecting four straight plates;

the first guide plate 5 is rotatably connected to one end, away from the precipitation bag mounting groove 24, of the first side plate 21, and the second guide plate 6 is rotatably connected to one end, away from the precipitation bag mounting groove 24, of the second side plate 23, so that the first guide plate 5 and the second guide plate 6 can be rotated, and the inner wall of the water inlet assembly 7 is pressed close to.

The present embodiment also provides a structure for facilitating installation of the dust intercepting apparatus in a vertical single-grate gully.

The first side plate 21 and the second side plate 23 are both provided with anchor fixing grooves 214, and the first side plate 21 and the second side plate 23 are both connected with the wall of a single-grate gully through anchors so as to support the weight of one end, close to the settling bag mounting groove 24, of the ash and sand intercepting device.

The ash and sand intercepting device also comprises a guide fixing plate 8, wherein the guide fixing plate 8 is connected above the water flow guide side plate assembly 2 and used for connecting a well wall 9 of the single-grate gully and supporting the ash and sand intercepting device.

A combination of the above preferred embodiments results in a preferred embodiment, which is described below.

A vertical single-grate rainwater port dust and sand intercepting device is characterized in that a guide fixing plate 8 is flush with the road surface, a first guide plate 5 and a second guide plate 6 can rotate to enable the guide plates to be close to the inner wall of a water inlet assembly 7, the guide plates are connected with the wall of a single-grate rainwater port through anchor fixing grooves 214 through anchors to support the weight of the rear part of the dust and sand intercepting device, a rainwater through hole 41 of a rainwater anti-return plate 4 is sunken for 15 degrees, the rainwater anti-return plate 4 is connected with a lug fixing groove 221 of a connecting plate 22, a rainwater filtering and precipitating bag 3 is positioned below the rainwater anti-return plate 4, a precipitating bag brace 31 of the rainwater filtering and precipitating bag 3 is arranged in a brace groove 11 of a water flow guide bottom plate 1, a brace handle 32 of the precipitating bag brace 31 is arranged in a handle groove 12 of the water flow guide bottom plate 1, and the other precipitating bag brace 31 can sequentially pass through braces in a first side plate 21 and a second side plate 23 to enter a notch 211 and a brace rail 212, finally, the support rod is clamped into the support rod clamping groove 213 to realize fixation.

Later stage water inlet maintenance only need turn over rainwater anti-return board 4 take out below rainwater filtration precipitation bag 3 can.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The ash and sand intercepting device is arranged in a single-grate rainwater port and is characterized by comprising a water flow guide bottom plate (1), a water flow guide side plate assembly (2) and a rainwater filtering and precipitating bag (3), wherein the water flow guide side plate assembly (2) comprises a first side plate (21), a connecting plate (22) and a second side plate (23) which are sequentially connected to form a U-shaped structure with one open end, the water flow guide bottom plate (1) is arranged at the open end of the water flow guide side plate assembly (2) and is respectively connected with the first side plate (21) and the second side plate (23), a gap is formed between the water flow guide bottom plate (1) and the connecting plate (22) to form a precipitating bag mounting groove (24), and the rainwater filtering and precipitating bag (3) is mounted in the precipitating bag mounting groove (24).

2. The dust intercepting apparatus of a vertical single grate gully according to claim 1, wherein the rainwater filtering and settling bag (3) is detachably installed in the settling bag installation groove (24).

3. The ash and sand intercepting device of the vertical single-grate gully according to claim 2, wherein both ends of the rainwater filtering and precipitating bag (3) are respectively connected with a precipitating bag stay bar (31);

one end, close to a sedimentation bag mounting groove (24), of the water flow guide bottom plate (1) is provided with a stay bar groove (11), the stay bar groove (11) is matched with a sedimentation bag stay bar (31), the first side plate (21) and the second side plate (23) are respectively provided with a stay bar entering notch (211), a stay bar track (212) and a stay bar clamping groove (213) which are corresponding in position, the stay bar entering notch (211) and the stay bar clamping groove (213) are respectively located at two ends of the stay bar track (212) to form a Z-shaped structure, the stay bar entering notch (211) faces the upper end of the first side plate (21) or the second side plate (23) and is communicated to the upper surface of the first side plate (21) or the second side plate (23), and the stay bar clamping groove (213) faces the lower end of the first side plate (21) or the second side plate (23);

the distance between the first side plate (21) and the second side plate (23) is matched with the length of the sedimentation bag support rod (31), and the size of the support rod entering notch (211), the support rod track (212) and the support rod clamping groove (213) is matched with the rod diameter of the sedimentation bag support rod (31).

4. The ash and sand intercepting device of the vertical single-grate gully according to claim 3, wherein the sedimentation bag support rod (31) is connected with a support rod handle (32), the water flow guiding bottom plate (1) is correspondingly provided with a handle groove (12), and the handle groove (12) is matched with the support rod handle (32) in shape.

5. The ash and sand intercepting device of the vertical single-grate gutter inlet according to claim 1, wherein the ash and sand intercepting device further comprises a rainwater backflow preventing plate (4), the rainwater backflow preventing plate (4) is of a plate-shaped structure, a rainwater through hole (41) is formed in the middle of the rainwater backflow preventing plate (4), and the rainwater backflow preventing plate (4) is supported by the water flow guide side plate assembly (2) and is positioned above the rainwater filtering and settling bag (3).

6. The ash and sand intercepting device of the vertical single-grate gully according to claim 5, wherein one end of the rain water backflow preventing plate (4) is provided with a plurality of fixing projections (42), the connecting plate (22) is correspondingly provided with a plurality of projection fixing grooves (221), and the projection fixing grooves (221) are matched with the fixing projections (42).

7. The dust intercepting apparatus of a vertical single grate gully according to claim 5, wherein a depressed edge (43) is provided in the rainwater backflow preventing plate (4) around the rainwater passing hole (41), the depressed edge (43) being inclined toward a lower side of the rainwater passing hole (41).

8. The ash and sand intercepting device of the vertical single-grate gully according to claim 1, further comprising a first guide plate (5), a second guide plate (6) and a water inlet assembly (7), wherein the water inlet assembly (7) is of a hollow columnar structure and is arranged at one end of the water flow guide bottom plate (1) and the water flow guide side plate assembly (2) far away from the sediment bag mounting groove (24);

one end rotatable coupling of settling bag mounting groove (24) is kept away from to first curb plate (21) first deflector (5), the one end rotatable coupling of settling bag mounting groove (24) is kept away from in second curb plate (23) second deflector (6) for realize rotating first deflector (5) and second deflector (6), press close to the inner wall of water inlet subassembly (7).

9. The ash and sand intercepting device of the vertical single-grate gully according to claim 1, wherein the first side plate (21) and the second side plate (23) are provided with anchor fixing grooves (214), and the first side plate (21) and the second side plate (23) are connected with the wall of the gully through anchors.

10. The ash and sand intercepting device of a vertical single-grate gully according to claim 1, wherein the ash and sand intercepting device further comprises a guide fixing plate (8), the guide fixing plate (8) is connected above the water flow guide side plate assembly (2) and is used for connecting a well wall (9) of the single-grate gully.