CN115434410B - Safe gutter inlet device capable of automatically lifting and removing waterlogging through hydraulic power - Google Patents
Safe gutter inlet device capable of automatically lifting and removing waterlogging through hydraulic power Download PDFInfo
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- CN115434410B CN115434410B CN202211396248.5A CN202211396248A CN115434410B CN 115434410 B CN115434410 B CN 115434410B CN 202211396248 A CN202211396248 A CN 202211396248A CN 115434410 B CN115434410 B CN 115434410B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/30—Devices providing a sequential discharge in sewer systems
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Abstract
The invention relates to the technical field of municipal engineering, and discloses a safe gutter inlet device for removing waterlogging through hydraulic automatic lifting, which comprises: the rainwater grate comprises a fixed shell, a cylindrical liquid bag, a pressing plate, a cylindrical water storage box and a plunger type lifting cylinder, wherein the cylindrical liquid bag, the pressing plate, the cylindrical water storage box and the plunger type lifting cylinder are arranged in the fixed shell and are sequentially arranged from bottom to top, the plunger type lifting cylinder is connected with a liquid outlet of the cylindrical liquid bag through a connecting pipe, and a lifting rod of the plunger type lifting cylinder is abutted to the bottom end of one side of the rainwater grate. The rainwater grate of the device can automatically lift corresponding height according to the actual condition of accumulated water, so that the aim of rapid drainage is fulfilled, and meanwhile, the cylindrical water storage box can achieve a certain storage aim on the waterlogging accumulated water while adjusting the lifting of the rainwater grate, so that the pressure of a drainage pipe network is relieved; and the automatic lifting process can be completed only through water power without adding any electronic equipment, and the safety and the stability of the whole equipment are guaranteed very high.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a safe rainwater inlet device capable of automatically lifting and removing waterlogging through water power.
Background
The rainwater inlet is used as a key component of the municipal drainage system, is an inlet for ground runoff to enter the municipal drainage system, is a junction for connecting the ground runoff and an underground drainage pipeline, can ensure that the ground rainwater can be rapidly and effectively collected, and plays an important role in relieving road ponding and the like.
The road gutter inlet is used as a connecting point between surface runoff and an underground rainwater pipe network, and the drainage efficiency of the road gutter inlet deeply determines the drainage capacity of a municipal drainage system. The traditional rainwater grate is generally kept still at a rainwater port and is equivalent to a screen, so that drainage is influenced to a certain extent; in addition, due to the structural characteristics of the rainwater grate (the water leakage holes in the rainwater grate are small), the rainwater inlet can be blocked when garbage exists, the drainage system cannot normally operate, the drainage efficiency and the drainage effect cannot be effectively improved when natural disasters such as urban waterlogging or flood hazards face, the urban waterlogging risk is increased, and the life and property safety of people faces danger to a certain extent. It can be seen that improving the drainage capacity of municipal drainage facilities is the most effective measure for relieving urban inland inundation.
Therefore, how to provide a safe gutter inlet device which has high drainage efficiency and good drainage effect and can drain waterlogging through hydraulic automatic lifting is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a safe gutter inlet device which has high drainage efficiency and good drainage effect and can drain waterlogging through hydraulic automatic lifting.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a get rid of safe inlet for stom water device of waterlogging through hydraulic automatic rising, its installs in the well head of rainwater well to be located the below of the rainwater grate of well head, include:
the fixed shell is fixed at the wellhead of the rainwater well and is positioned below the rainwater grate, the top end of the fixed shell is open, a first drainage hole is formed in the side wall of the fixed shell, and a first middle drainage hole is formed in the bottom end face of the fixed shell;
the cylindrical liquid bag is arranged in the fixed shell and on the bottom end face of the fixed shell, a tube opening of the cylindrical liquid bag is a second middle water leakage hole, and the second middle water leakage hole corresponds to the first middle water leakage hole in position;
the pressing plate is in press connection with the upper surface of the cylindrical liquid bag, a third middle water leakage hole is formed in the middle of the pressing plate, and the third middle water leakage hole corresponds to the second middle water leakage hole in position;
the cylindrical water storage box is positioned on the upper surface of the pressing plate, the top end of the cylindrical water storage box is open, a cylinder opening of the cylindrical water storage box is a fourth middle water leakage hole, the fourth middle water leakage hole corresponds to the third middle water leakage hole in position, and a second water drainage hole is formed in the outer side wall of the cylindrical water storage box;
the plunger type lifting cylinder is fixed at the bottom end of the fixed shell, a plunger cavity of the plunger type lifting cylinder is connected with a liquid outlet of the cylindrical liquid bag through a connecting pipe, and the tail end of a lifting rod of the plunger type lifting cylinder is abutted against the bottom end of one side of the rainwater grate.
According to the technical scheme, compared with the prior art, the safe rainwater port device capable of automatically lifting and removing waterlogging through water power is arranged at the well mouth of a rainwater well and located below a rainwater grate, when rainwater enters the rainwater well through the rainwater grate, the rainwater can be divided into two flow directions, one part of the rainwater flows into a cylindrical water storage box for storing the water, and the other part of the rainwater flows into the rainwater well directly through a fourth middle water leakage hole, a third middle water leakage hole, a second middle water leakage hole and a first middle water leakage hole. When the water accumulation at the well mouth is less, the rainwater at the well mouth flows into the cylindrical water storage box through the rainwater grate and flows into the well through the second drain hole and the first drain hole, and at the moment, the cylindrical water storage box only has less water accumulation; when the accumulated water at the well mouth is more, the cylindrical water storage box can store a large amount of rainwater, the cylindrical liquid bag is downwards extruded through the pressing plate under the action of gravity, the liquid in the cylindrical liquid bag is extruded into the plunger cavity of the plunger type lifting cylinder through the connecting pipe, the liquid in the plunger cavity pushes the lifting rod to upwards rise, and then the lifting rod lifts one side of the rainwater grate by a certain height; when the accumulated water at the well mouth is reduced, the water in the cylindrical water storage box is also continuously reduced under the action of the second drain hole, the weight of the cylindrical water storage box is also continuously reduced, the lifting rod is pressed downwards by the rain grate under the action of the gravity of the rain grate, the liquid in the plunger type lifting cylinder is pressed back into the cylindrical liquid bag, the cylindrical liquid bag is filled with the liquid and expands to lift the pressing plate upwards, so that the cylindrical water storage box returns to the initial position, and meanwhile, the well mouth is reset by newly covering one side of the rain grate.
Therefore, the device can automatically lift the corresponding required height according to the actual condition of accumulated water by arranging the liftable rainwater grate, thereby achieving the purpose of rapid drainage, and meanwhile, the cylindrical water storage box can play a certain role in storing the accumulated water due to waterlogging while adjusting the lifting of the rainwater grate, so that the pressure of a drainage pipe network is relieved; moreover, the automatic lifting process can be completed only through water power, any electronic equipment is not required to be added, and the safety and the stability of the whole equipment are guaranteed very well; in addition, the arrangement of the second drain hole and the first drain hole can ensure the falling back and resetting of the rainwater grate while realizing the dynamic adjustment of the lifting of the rainwater grate, and meanwhile, because the whole body is lifted through the gravity of the cylindrical water storage box, when a pedestrian or a travelling crane presses the rainwater grate, the falling back of the rainwater grate can be also completed by the gravity of the pedestrian or the travelling crane, the structure is simple and efficient, and the safety is high. In addition, only one side of the rainwater grate can be lifted, so that the drainage efficiency after lifting can be guaranteed, and the safety of pedestrians and travelling cranes can be guaranteed.
Further, still include buffer spring, buffer spring sets up fixed shell bottom with between the clamp plate bottom.
The technical scheme has the advantages that when the pressure plate is pressed downwards, the pressure plate firstly compresses the buffer spring and then compresses the cylindrical liquid bag, so that the cylindrical water storage box can be buffered to a certain extent when moving downwards, the cylindrical water storage box is prevented from suddenly compressing the cylindrical liquid bag downwards by a large force, the lifting rod quickly lifts the rainwater grate upwards, and certain danger is brought to pedestrians; and the buffer spring can carry out certain power storage after being compressed, so that the cylindrical water storage box can be conveniently reset in the later period.
Furthermore, the buffer springs are 4 which are uniformly distributed around the cylindrical liquid bag.
The beneficial effect that adopts above-mentioned technical scheme to produce is, be convenient for the atress between buffer spring and the clamp plate even, guarantees the stationarity that the clamp plate reciprocated.
Furthermore, a wedge-shaped block is fixed on the bottom end face of one side of the rainwater grate, an inclined sliding groove is formed in the wedge-shaped face of the wedge-shaped block, and the tail end of the lifting rod is in sliding contact with the inclined sliding groove.
The beneficial effect that adopts above-mentioned technical scheme to produce is that, lifts the pole and can remove in the slope spout to realize the lifting of rainwater grate, avoid the production of mechanical dead point when lifting.
Furthermore, the tail end of the lifting rod is provided with a sliding ball body, and the sliding ball body is in sliding contact with the inclined sliding groove.
Adopt the beneficial effect that above-mentioned technical scheme produced to be convenient for lift the slip of pole in the slope spout when lifting, the card pause phenomenon can not appear.
Further, the plunger type lifting cylinder and the wedge-shaped block are two in spaced arrangement.
The two plunger type lifting cylinders can simultaneously lift two ends of one side of the rainwater grate, so that the rainwater grate cannot incline in the lifting process, and the rainwater grate can conveniently fall back to the original position of a wellhead.
Further, the lifting height H of one side of the rainwater grate is 8-10cm.
The beneficial effect who adopts above-mentioned technical scheme to produce is, can guarantee the rainwater grate and rise after coming, guarantee the safety of pedestrian's driving to and guarantee the drainage efficiency of well head.
Further, the second drain hole includes: the water storage device comprises a middle drain hole and a bottom drain hole, wherein the middle drain hole is formed in the middle of the outer side wall of the cylindrical water storage box, and the bottom drain hole is formed in the bottom of the outer side wall of the cylindrical water storage box.
The beneficial effect that adopts above-mentioned technical scheme to produce is that the middle part wash port cooperates the bottom wash port can outwards discharge more water in the tube-shape retaining box fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a safety gutter inlet device for removing waterlogging through hydraulic automatic lifting according to the present invention.
Fig. 2 is a schematic structural view when the rain water grate is lifted.
Fig. 3 is a schematic top view of the safety gully.
Fig. 4 is a stress analysis diagram of the rain water grate.
FIG. 5 is a schematic view of a second drainage hole formed on the cylindrical water storage box.
Fig. 6 is a schematic structural view of a cylindrical liquid bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a safe rainwater inlet device for removing waterlogging through hydraulic automatic lifting, which is arranged at the well mouth of a rainwater well 1 and positioned below a rainwater grate 2 at the well mouth, and comprises:
the rainwater grate comprises a fixed shell 3, a rainwater grate 2 and a water outlet, wherein the fixed shell 3 is fixed at the well mouth of the rainwater well 1 and is positioned below the rainwater grate, the top end of the fixed shell 3 is open, a first drainage hole 301 is formed in one side wall of the fixed shell 3, and a first middle drainage hole is formed in the bottom end surface of the fixed shell 3;
the cylindrical liquid bag 4 is arranged inside the fixed shell 3 and on the bottom end face of the fixed shell 3, a tube opening of the cylindrical liquid bag 4 is a second middle water leakage hole, and the second middle water leakage hole corresponds to the first middle water leakage hole in position;
the pressing plate 5 is pressed on the upper surface of the cylindrical liquid bag 4, a third middle water leakage hole is formed in the middle of the pressing plate 5, and the third middle water leakage hole corresponds to the second middle water leakage hole in position;
the cylindrical water storage box 6 is positioned on the upper surface of the pressing plate 5, the top end of the cylindrical water storage box 6 is open, the cylinder opening of the cylindrical water storage box 6 is a fourth middle water leakage hole 601, the fourth middle water leakage hole 601 corresponds to the third middle water leakage hole in position, and a second water drainage hole 602 is formed in one outer side wall of the cylindrical water storage box 6;
the bottom end of the rainwater grate 2 is connected with the bottom end of the fixed shell 3, the plunger type lifting cylinder 7 is fixed at the bottom end of the fixed shell 3, a plunger cavity of the plunger type lifting cylinder 7 is connected with a liquid outlet of the cylindrical liquid bag 4 through a connecting pipe 8, and the tail end of a lifting rod 71 of the plunger type lifting cylinder 7 is abutted to the bottom end of one side of the rainwater grate 2.
In the above embodiment, a buffer spring 9 is further included, and the buffer spring 9 is disposed between the bottom end of the fixed housing 3 and the bottom end of the pressure plate 5.
In order to improve the force uniformity of the pressure plate, 4 buffer springs 9 are uniformly distributed around the cylindrical liquid bag 4.
A wedge block 10 is fixed on the bottom end face of one side of the rainwater grate 2, an inclined sliding groove 1001 is formed in the wedge face of the wedge block 10, and the tail end of the lifting rod 71 is in sliding contact with the inclined sliding groove 1001.
A sliding ball 72 is hinged or fixed to the end of the lifting rod 71, and the sliding ball 72 is in sliding contact with the inclined slide groove 1001.
The plunger type lifting cylinder 7 and the wedge blocks 10 are arranged at intervals.
The lifting height H of one side of the rainwater grate 2 is 8-10cm.
The second drain hole 602 includes: a middle drain hole 6021 and a bottom drain hole 6022, the middle drain hole 6021 being opened at a middle position of an outer side wall of the cylindrical water storage box 6, the bottom drain hole 6022 being opened at a bottom position of the outer side wall of the cylindrical water storage box 6, the middle drain hole 6021 having a diameter larger than that of the bottom drain hole 6022. The number of the middle drain holes 6021 is 4 and the radius thereof is 2cm, and the number of the bottom drain holes 6022 is 4 and the radius thereof is 1.4cm.
The device's frock principle is: when initial rainwater gushes into the cylindrical water storage box, the cylindrical water storage box can continuously drain water, when rainwater does not have much water drainage efficiency which is not required to be improved through the rainwater grate, the device is still static, along with the collection of rainwater, the rainwater grate cannot drain water quickly due to the insufficient drainage efficiency designed by the rainwater grate, the drainage quantity of the rainwater port reaches a certain degree, rainwater flowing into the cylindrical water storage box is increased gradually, the second drainage hole cannot drain the rainwater of the cylindrical water storage box quickly, water in the cylindrical water storage box is increased more and more, and the gravity of the cylindrical water storage box is increased more and more. When the cylindrical water storage box reaches a certain gravity, the cylindrical water storage box can press the pressing plate to compress the buffer spring firstly, a buffer stage is convenient to have, the deformation amount of the buffer spring is 2cm in the stage, the buffer spring and the cylindrical liquid bag can be pressed simultaneously after the buffer spring is compressed, liquid in the cylindrical liquid bag is extruded into a plunger cavity of the plunger type lifting cylinder, and the lifting rod can push the rainwater grate upwards under the action of the liquid. Meanwhile, due to the design of dynamic drainage of the cylindrical water storage box (water in the cylindrical water storage box is continuously drained outwards through the second drain hole), the cylindrical water storage box can be guaranteed to be lifted to a proper height according to the actual condition of waterlogging water when the cylindrical water storage box is under different gravities, and the accumulated water around the well mouth can be quickly drained away. When waterlogging water gradually decreases, the gravity of the cylindrical water storage box gradually decreases, the cylindrical water storage box gradually resets under the action of the gravity of the rainwater grate and the buffer spring, and the rainwater grate gradually falls back, so that the automatic lifting process of the rainwater grate is completed.
In the above embodiment, the rainwater grate is exemplified by 710 × 410mm, the weight is 30kg, the gravity is 300N, the weight of the rainwater grate is uniform, the gravity acts on the gravity center of the rainwater grate, one end of the rainwater grate is a fulcrum, the other end of the rainwater grate is a power acting point, the resistance arm is one half of the power arm, and the power is obtained according to the lever balance condition: OB =2OA, G × OA = F × OB (see FIG. 4) is obtained according to the lever balance condition, so 300N × OA = F × 2OA, F =150N is obtained, at this time, 150N force is minimally required for the plunger type lifting cylinder to push up one side of the rain grate, the force of the plunger type lifting cylinder is derived from the pressure of the cylindrical water storage box on the cylindrical liquid bag and the buffer spring, at least 150N force is applied to the cylindrical liquid bag, at this time, the force of the cylindrical water storage box on the buffer spring is firstly ignored, and only the pressure of the cylindrical liquid bag is considered to be F Pressing and pressing =G Cylindrical water storage box 4 =m Water (W) g=ρ Water (W) v Water (I) g =150N, so v Water (W) =15000cm 3 Therefore V is Cylindrical water storage box ≥15000cm 3 ；
The cylindrical water storage box 6 is in a convex hollow structure (see figure 3), the size of the convex part is 200 x 100mm, the size of the block part is 600 x 400mm, the size of the hollow part, namely the fourth middle water leakage hole, is 400 x 200mm, the height of the cylindrical water storage box is 150mm, and the volume of the cylindrical water storage box is 27000cm 3 ≥15000cm 3 The design is met;
the cylindrical liquid bag 4 is square hollow structure with size of 450 × 250mm, the hollow part, namely the second middle water leakage hole, with size of 400 × 200mm, the height of the cylindrical liquid bag is 50mm, and the volume of the cylindrical liquid bag is 1625 cm 3 ；
Plunger cavity radius dimension r of single plunger type lifting cylinder 7 1 Is 50mm, the height h of the plunger type lifting cylinder 1 Is 200mm, and can hold volume of 800cm 3 ；
The connecting tube 8 is divided into two parts (see fig. 1), one part being the part that meets the plunger-type lifting cylinder, this part having a radius r 2 Is 40mm, height h 2 Is 30mm and can hold the volume of 48 pi cm 3 (ii) a The other part is a part connected with the cylindrical liquid bag, and the radius r of the part 3 Is 50mm, has a length L of 430mm, and can accommodate a volume of 175 pi cm 3 The total volume of the two parts is then 713cm 3 ；
The middle drain hole 6021 and the bottom drain hole 6022 are designed such that when the depth of the rainwater accumulated in the rainwater port is 1cm, the rainwater grate starts to ascend and descend, and according to the drainage empirical formula of the flat-grate cross-grid strip-shaped rainwater port (the citation document, "study on drainage capability and hydrodynamic characteristics of the flat-grate rainwater port — Zhao Jiankun, 2021-12-29"),
q is the lower discharge quantity of the gutter inlet, m 3 /s；
And P is the wet period, the unit is m, the water passing wet period cannot be accurately judged in the actual water drainage process, and uniform parameters are determined for convenience, so that when the water drainage process is in a weir flow state, the sum of the circumferences of the rain grate gratings is uniformly expressed as the wet period in the weir flow state. A flat grate type horizontal grid strip-shaped rainwater inlet P =9.856m;
A p is the sum of the total area of the gully grating, A in this study p = 0.08208m 2 ；
A s For the cross-sectional area of the connecting tubes, A in this study s =0.01766m 2 ；
The upper layer and the lower layer of the water tank can be regarded as a whole, and the water head at the middle position of the total water head before the comb comprises the water depth before the comb and the distance D from the bottom of the water tank to the centroid of the connecting pipe 0 D in this study 0 =0.395m。
When the rainwater is accumulated for 1cm at the rainwater inlet, the drainage quantity is 3349cm 3 Due to the hollow design of the cylindrical water storage box, the collection rate of the cylindrical water storage box to the leakage flow is 64 percent (the ratio of the area of the cylindrical water storage box to the area of the rainwater inlet), and the collection amount of the cylindrical water storage box to the leakage flow is 2143cm at the moment 3 When the water accumulation is 3cm, the collection amount is 11139cm 3 The collection amount was 19914cm when the water accumulation was 10cm 3 Considering that the lifting condition of the rain water grate is reached when the accumulated water reaches 1cm, the bottom hole is designed to be the cylindrical water storage box with the water storage volume of 15000 cm 3 While maintaining 15000 cm 3 In the equilibrium state of (2), the water inlet flow is 2143cm 3 The hole drainage should also be 2143cm 3 According to the standard, the size of the bottom hole is designed, the height of the rainwater in the cylindrical water storage box can be calculated to be 8.3cm, and the middle hole is designedThe collecting amount is 19914cm when the accumulated water reaches 10cm for designing standard of holes required when the cylindrical water storage box is fully loaded 3 At the moment, the drainage is more than or equal to 5771cm 3 Designing the size of the middle hole according to the standard;
when ponding is between 1cm to 3cm, because the increase of the box gravity that the tube-shape is impounded sinks, can compress buffer spring, and buffer spring's the deformation volume in this stage is 0.02m, when ponding is 3cm, can compress buffer spring and tube-shape liquid bag simultaneously, so the biggest gravity is in this stage:
G=150N+111.39N-21.43N=247.96N，
due to the design of four buffer springs, the magnitude of the spring force of each buffer spring alone, F =1/4g = kx, k is the stiffness coefficient, x is the deformation amount, here, the deformation amount is 0.02m, and k =3000N/m is calculated.
The overall device design is designed as shown above by taking 710 × 410mm as an example (all the formulas used in the above are common formulas in the field), and the size of the device can be designed and adjusted according to actual needs.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a get rid of safe inlet for stom water device of waterlogging through water conservancy automatic rising, its well head department of installing in rainwater well (1) to be located the below of rainwater grate (2) of well head department, its characterized in that includes:
the rainwater grate comprises a fixed shell (3), wherein the fixed shell (3) is fixed at a wellhead of the rainwater well (1) and is positioned below the rainwater grate (2), the top end of the fixed shell (3) is open, a first drainage hole (301) is formed in the side wall of the fixed shell (3), and a first middle drainage hole is formed in the bottom end face of the fixed shell (3);
the cylindrical liquid bag (4) is arranged in the fixed shell (3) and on the bottom end face of the fixed shell (3), a second middle water leakage hole is formed in a cylinder opening of the cylindrical liquid bag (4), and the second middle water leakage hole corresponds to the first middle water leakage hole in position;
the pressing plate (5) is pressed on the upper surface of the cylindrical liquid bag (4), a third middle water leakage hole is formed in the middle of the pressing plate (5), and the third middle water leakage hole corresponds to the second middle water leakage hole in position;
the cylindrical water storage box (6) is positioned on the upper surface of the pressing plate (5), the top end of the cylindrical water storage box (6) is open, a cylinder opening of the cylindrical water storage box (6) is a fourth middle water leakage hole (601), the fourth middle water leakage hole (601) corresponds to the third middle water leakage hole in position, and a second water drainage hole (602) is formed in the outer side wall of the cylindrical water storage box (6);
the plunger type lifting cylinder (7) is fixed at the bottom end of the fixed shell (3), a plunger cavity of the plunger type lifting cylinder (7) is connected with a liquid outlet of the cylindrical liquid bag (4) through a connecting pipe (8), and the tail end of a lifting rod (71) of the plunger type lifting cylinder (7) is abutted against the bottom end of one side of the rainwater grate (2).
2. The safety gully device for removing waterlogging through automatic hydraulic lifting of claim 1, further comprising a buffer spring (9), wherein the buffer spring (9) is disposed between the bottom end of the fixed housing (3) and the bottom end of the pressure plate (5).
3. The safety gully device for removing waterlogging through automatic hydraulic lifting of claim 2, wherein the number of the buffer springs (9) is 4, which are uniformly distributed around the cylindrical liquid bag (4).
4. The safety gully device for automatically lifting and removing waterlogging through water power as claimed in any one of claims 1 to 3, wherein a wedge block (10) is fixed on the bottom end surface of one side of the gully grating (2), an inclined chute (1001) is formed on the wedge surface of the wedge block (10), and the end of the lifting rod (71) is in sliding contact with the inclined chute (1001).
5. A safety gully device for use in removing waterlogging by automatic hydraulic lifting as claimed in claim 4, wherein the lifting lever (71) is provided at its distal end with a sliding ball (72), said sliding ball (72) being in sliding contact with said inclined chute (1001).
6. A safety gully device for removing waterlogging by hydraulic automatic lifting according to claim 4, wherein the plunger type lifting cylinder (7) and the wedge block (10) are two in interval arrangement.
7. The safe gully device for draining waterlogged water through hydraulic automatic lifting according to any one of claims 1 to 3 and 5 to 6, wherein the lifting height H of one side of the gully grating (2) is 8-10cm.
8. A safety gully device for automatic lifting and lowering by water power according to any of claims 1 to 3 and 5 to 6, wherein the second drain hole (602) comprises: the water storage box comprises a middle water drain hole (6021) and a bottom water drain hole (6022), wherein the middle water drain hole (6021) is arranged at the middle position of the outer side wall of the cylindrical water storage box (6), and the bottom water drain hole (6022) is arranged at the bottom position of the outer side wall of the cylindrical water storage box (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211396248.5A CN115434410B (en) | 2022-11-09 | 2022-11-09 | Safe gutter inlet device capable of automatically lifting and removing waterlogging through hydraulic power |
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| CN202211396248.5A CN115434410B (en) | 2022-11-09 | 2022-11-09 | Safe gutter inlet device capable of automatically lifting and removing waterlogging through hydraulic power |
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| CN115434410A CN115434410A (en) | 2022-12-06 |
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| CN108547368B (en) * | 2018-05-21 | 2020-02-18 | 浙江水利水电学院 | Rainwater grate with waterlogging blocking function at entrance and exit of urban underground space |
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| CN217500499U (en) * | 2022-04-19 | 2022-09-27 | 中国建筑设计研究院有限公司 | Liftable rainwater grate |
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