CN211313141U

CN211313141U - Ecological ladder in sponge city

Info

Publication number: CN211313141U
Application number: CN201922145709.1U
Authority: CN
Inventors: 彭景�; 罗思文
Original assignee: Shenzhen Zhuoyi Pan Asia Design Co ltd
Current assignee: Shenzhen Zhuoyi Pan Asia Design Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-21
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to an ecological ladder in sponge city, including the step group that the multiunit connected gradually from low to high, the step group includes multiunit step unit, and the step unit includes the step board and connects the backup pad of adjacent step board department, and the junction of adjacent step group is equipped with the landing slab, and the width of landing slab is greater than the width of step board, and the landing slab is the porous disk, is equipped with the rainwater collecting vat under the platform slab, and the cell wall and the bottom surface of rainwater collecting vat are constituteed by reinforced concrete. The rainwater that flows on the step board in the step group flows to the landing slab that is close with the step board to in the rainwater collecting vat under the landing slab is infiltrated to the landing slab through the landing slab, realize the collection to rainwater on the ladder when the rainfall, thereby reduce the runoff of earth's surface rainwater on the ladder.

Description

Ecological ladder in sponge city

Technical Field

The utility model relates to a sponge city architectural equipment especially relates to a sponge city ecological ladder.

Background

The sponge city is a new generation of urban rainfall flood management concept, has good elasticity in the aspects of urban adaptation to environmental changes, natural disasters caused by rainwater and the like, can be called as a water elasticity city, absorbs water, stores water, seeps water and purifies water in rainy days, releases and utilizes the stored water when needed, realizes the accumulation, permeation and purification of rainwater in urban areas to the maximum extent, and promotes the utilization of rainwater resources and ecological environment protection.

At present, the step is great as city garden construction's important component, and area is great, and the sclerosis area is great, and artifical stereoplasm step infiltration ability is relatively poor, and when having the rainwater to pass through, most rainwater directly flows to the bottom along the step, and when the rainwater was sufficient, just flowed to the municipal pipeline, is unfavorable for the make full use of rainwater, fails to fully consider the collection to the rainwater on the step when the rainfall, is difficult to satisfy sponge city construction's requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ecological ladder in sponge city when the rainwater flows through the step, just collected the rainwater, can reduce ladder surface runoff to reduce the rainwater and collect in the municipal pipe network from the waterproof step of sclerosis.

The above object of the present invention is achieved by the following technical solutions: the utility model provides an ecological ladder in sponge city, includes that the multiunit is from low to high step group who connects gradually, step group includes multiunit step unit, and the step unit includes the step board and connects the backup pad of adjacent step board department, and the junction of adjacent step group is equipped with the landing slab, and the width of landing slab is greater than the width of step board, and the landing slab is the porous disk, is equipped with the rainwater collecting vat under the landing slab, and the cell wall and the bottom surface of rainwater collecting vat are constituteed by reinforced concrete.

Through adopting above-mentioned technical scheme, the rainwater flow direction on the step board is with the nearest landing slab of step board to in the rainwater collecting vat under the landing slab infiltrates, realize the collection to rainwater on the ladder when the rainfall, can collect the rainwater on the step group through setting up the landing slab, realize the rainwater of intervallity and collect, thereby reduce the runoff of the earth's surface rainwater of ladder.

The utility model discloses further set up to: rainwater collecting vat longitudinal section establishes to "protruding" font, and rainwater collecting vat top both sides all are equipped with plants the area, plants the area from the top down and include vegetable layer, humus layer, metalling, filtration membrane and water storage layer in proper order.

Through adopting above-mentioned technical scheme, filtration membrane filters the rainwater in planting the area, blocks materials such as earth in the metalling, plants the area and establishes in rainwater collecting vat top, utilizes planting area self filtration purification's ability, filters the rainwater to locking part rainwater effectively in the aquifer, when planting the area and lack the moisture, the rainwater that utilizes the aquifer provides moisture for the vegetable layer.

The utility model discloses further set up to: a reinforcing mesh is arranged right above the rainwater collecting tank, and geotextile is arranged between the reinforcing mesh and the planting belt.

Through adopting above-mentioned technical scheme, the reinforcing bar net provides the holding power for planting the area, strengthens planting the steadiness of area on the rainwater collecting vat, and geotechnological cloth filters the rainwater that gets into the rainwater collecting vat, has purified the rainwater.

The utility model discloses further set up to: the water storage layer is located on the rainwater collecting tank reinforcing steel bar net, a water permeable groove is arranged in the water storage layer, and the opening direction of the groove is upward.

Through adopting above-mentioned technical scheme, the rainwater flows to the water-storage layer through filtration membrane, and some rainwater are persisted to the water-storage layer, and more rainwater just permeate the flow to the rainwater collecting vat when can not storing the water-storage layer.

The utility model discloses further set up to: the groove is internally and uniformly provided with a plurality of hollow support columns, the bottom surfaces of the bottom of the hollow support columns are fixedly connected with the inner bottom surface of the groove, the height of each hollow support column is equal to the depth of the groove, a plurality of through holes are uniformly formed in the top surfaces of the hollow support columns, and the through holes penetrate through the tops of the hollow support columns.

Through adopting above-mentioned technical scheme, the rainwater of filtration membrane infiltration flows into in the hollow support column through the through-hole on the hollow support column to store in the hollow support column.

The utility model discloses further set up to: planting area and rainwater collecting groove are equipped with waterproof fixed plate in the junction of vertical direction, and one side that adjacent planting area was kept away from to the fixed plate is connected with the board back up coat, and the board back up coat is formed by horizontal and vertical cross welded reinforcing bar, and the landing slab is perpendicular with the fixed plate to be connected with the fixed plate.

Through adopting above-mentioned technical scheme, fixed plate and board back up coat provide the holding power for the landing slab, keep apart rainwater collecting vat and planting area to make the rainwater of planting in the area can not provide the holding power for the fixed plate through fixed plate flow direction rainwater groove, board back up coat.

The utility model discloses further set up to: the step plate and the ground form an included angle which is set to be 2-5 degrees, and water on the step plate flows downwards along the edge of the step plate.

Through adopting above-mentioned technical scheme, when raining, the slope of step board can reduce the ponding on the step board, and the rainwater can downstream because gravity, and through the edge of step board, the rainwater flows down, can not amass on the step board to in the rainwater collecting vat flows to.

The utility model discloses further set up to: and an elongated slot is arranged at the edge of the lower part of the step plate, and an illuminating lamp is arranged in the elongated slot.

Through adopting above-mentioned technical scheme, when going up and down the ladder night, the light provides the illumination for going up and down the ladder, and the light on the ladder also increases the aesthetic property of ladder night simultaneously.

To sum up, the utility model discloses a beneficial technological effect does:

the rainwater flow direction that flows on the step board in the step group is close to the landing slab with the step board to in the rainwater collecting vat under the landing slab infiltrates, realize the collection of rainwater on the ladder when the rainfall, can collect the rainwater on the step group through setting up the landing slab, realize the rainwater of intervallity and collect, thereby reduce the runoff of earth's surface rainwater on the ladder.

Drawings

Fig. 1 is a schematic view of the overall structure of the step set of the present invention.

Fig. 2 is a partial cross-sectional view of a step set.

Fig. 3 is a schematic view of the aquifer of fig. 2.

Fig. 4 is a partial cross-sectional view of a rainwater collection tank.

In the figure, 1, step group; 11. a step unit; 111. a step plate; 1111. a long groove; 1112. an illuminating lamp; 112. a support plate; 12. a platform plate; 121. a containing groove; 13. planting a belt; 131. a vegetable layer; 132. a layer of humus soil; 133. a crushed stone layer; 134. a filtration membrane; 135. a aquifer; 1351. a groove; 1352. a hollow support column; 1353. a through hole; 14. an elastic component; 141. an elastic air bag; 142. moving the plate; 143. a spring; 2. a rainwater collection tank; 21. a fixing plate; 22. placing the plate; 23. a limiting plate; 24. a rope; 25. geotextile; 26. a panel reinforcement layer; 27. and (4) reinforcing mesh.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1, for the utility model discloses a sponge city ecological ladder, including the step group 1 that the multiunit connects gradually from low to high, step group 1 includes multiunit step unit 11, step unit 11 includes step board 111 and connects the backup pad 112 of adjacent step board 111 department, the junction of adjacent step group 1 is equipped with landing slab 12, the width of landing slab 12 is greater than the width of step board 111, landing slab 12 is the porous disc, combine fig. 2, be equipped with rainwater collecting vat 2 under landing slab 12, rainwater permeates the rainwater through landing slab 12 and flows to rainwater collecting vat 2, realize the collection to the rainwater; the groove wall and the bottom surface of the rainwater collecting groove 2 are both made of reinforced concrete, so that the rainwater collecting groove 2 is firmer.

Referring to fig. 2, the longitudinal section of the rainwater collection tank 2 is in a shape of a Chinese character 'tu', planting belts 13 are arranged on two sides above the rainwater collection tank 2, and the planting belts 13 sequentially comprise a vegetation layer 131, a saprolite layer 132, a gravel layer 133, a filtering membrane 134 and a water storage layer 135 from top to bottom. The filtering membrane 134 filters rainwater in the planting belt 13, the filtering membrane 134 can adopt permeable geotextile to block soil and other substances in the gravel layer 133, the planting belt 13 is arranged above the rainwater collecting tank 2, rainwater is filtered by utilizing the filtering and purifying capacity of the planting belt 13, part of rainwater is effectively locked in the water storage layer 135, and when the planting belt 13 is short of water, the rainwater of the water storage layer 135 is utilized to provide moisture for the vegetation layer 131.

Referring to fig. 2, a reinforcing mesh 27 is arranged right above the rainwater collection tank 2, a geotextile 25 is arranged between the reinforcing mesh 27 and the planting belt 13, the reinforcing mesh 27 provides a supporting force for the planting belt 13, and the geotextile 25 can filter rainwater entering the rainwater collection tank 2 to purify the rainwater.

Referring to fig. 2 and 3, the aquifer 135 is positioned on the mesh reinforcement 27 of the rainwater collection tank 2, and a water permeable groove 1351 is formed in the aquifer 135, and the opening direction of the groove 1351 is upward. Rainwater flows to aquifer 135 through filtration membrane 134, and aquifer 135 retains some rainwater, and more rainwater just permeates to flow to rainwater collecting tank 2 when can not store aquifer 135, and simultaneously, when aquifer 135 of planting area 13 lacks moisture, rainwater collecting tank 2's water also can permeate to aquifer 135, provides moisture for vegetation layer 131, and rainwater in rainwater collecting tank 2 also can keep the moist of step surrounding air under dry climate, alleviates urban heat island effect.

Referring to fig. 2 and 3, a plurality of hollow supporting columns 1352 are uniformly arranged inside the groove 1351, the bottom surface of the bottom of each hollow supporting column 1352 is fixedly connected with the bottom surface of the groove 1351, the height of each hollow supporting column 1352 is equal to the depth of the groove 1351, a plurality of through holes 1353 are uniformly arranged on the top surface of each hollow supporting column 1352, and each through hole 1353 penetrates through the top of each hollow supporting column 1352. Rainwater permeated by the filter membrane 134 flows through the through holes 1353 of the hollow supporting columns 1352 to the hollow supporting columns 1352 and is stored in the hollow supporting columns 1352.

Referring to fig. 2, a waterproof fixing plate 21 is arranged at the joint of the planting belt 13 and the rainwater collecting tank 2 in the vertical direction, a plate reinforcing layer 26 is connected to one side of the fixing plate 21 away from the adjacent planting belt 13, the plate reinforcing layer 26 is formed by transverse and longitudinal crisscross welded steel bars, and the platform plate 12 is perpendicular to the fixing plate 21 and connected with the fixing plate 21. Fixing plate 21 and board back up coat 26 provide the holding power for landing slab 12, keep apart rainwater collecting tank 2 with planting area 13, and the rainwater in planting area 13 can not flow to rainwater collecting tank 2 through fixing plate 21, can follow rubble layer 133 and the downward infiltration of filtration membrane 134, purifies the rainwater.

Referring to fig. 2, the step plate 111 forms an angle with the ground, the angle being set to 2 ° to 5 °, and water on the step plate 111 flows down along the edge of the step plate 111. When raining, the slope of step plate 111 can reduce the ponding on step plate 111, and the rainwater can move down because of gravity, and through the edge of step plate 111, the rainwater flows down, can not pile up on step plate 111 to in flowing to rainwater collecting vat 2.

Referring to fig. 4, a long groove 1111 is formed at a lower edge of the step plate 111, and an illumination lamp 1112 is installed in the long groove 1111. When going up and down stairs at night, the lighting lamp 1112 provides lighting for going up and down stairs, and meanwhile, the lighting lamp 1112 on the stairs also increases the attractiveness of the stairs at night.

Referring to fig. 4, the elastic module 14 is fixedly connected to the center of the lower portion of the platform 12, the elastic module 14 includes an elastic airbag 141 fixedly connected to the lower portion of the platform 12, a movable plate 142 accommodated in the rainwater collection tank 2, and a plurality of sets of springs 143 connected to the bottom edge of the movable plate 142, and the elastic airbag 141 is connected to the center of the upper surface of the movable plate 142 through a waterproof adhesive. When exerting pressure on the platform board 12, the platform board 12 vertically moves downwards, downward force is exerted on the elastic air bags 141, the elastic air bags 141 downwards extrude the movable plate 142 and the springs 143 below the movable plate 142, so that rainwater in the rainwater collection tank 2 is extruded, the rainwater is extruded through the elastic air bags 141 and the inner wall of the side face of the rainwater collection tank 2, and the rainwater flows to the planting belt 13 close to the rainwater collection tank 2, so that the rainwater in the rainwater collection tank 2 is utilized. Through above-mentioned structure, even if rainwater collecting vat 2 interior water is when less, also can water pressure to planting the area 13 through elastic component 14, water for the plant on planting the area 13, faster for infiltration and evaporation, do benefit to the growth of plant. Meanwhile, the person walking on the steps can finish watering, the force of the tourist in the walking process is fully utilized, a pump is not needed to be additionally arranged for pumping water, the energy is saved, and the participation sense of watering and the pleasure of playing are increased for the tourist. Meanwhile, rainwater can be collected by the rainwater collecting tank 2, when workers water at ordinary times, the rainwater collecting tank 2 can also play a certain water storage role, and then the watering times of the workers can be reduced, so that more labor is saved.

Referring to fig. 4, the moving plate 142 has an upper surface area 2/3-4/5 that is the area of the bottom surface of the rainwater collection tank 2, the moving plate 142 is a rectangular parallelepiped plate, a gap exists between the moving plate 142 and the wall of the rainwater collection tank 2, and when the moving plate 142 moves downward, rainwater at the lower edge of the moving plate 142 flows from the lower surface of the moving plate 142 to the upper surface of the moving plate 142 along the edge of the moving plate 142; one end of the spring 143 is fixedly connected to the bottom surface of the rainwater collection tank 2, so that the stability of the platform plate 12 and the elastic component 14 in the rainwater collection tank 2 is enhanced.

Referring to fig. 4, 2 vertical watertight placing plates 22 are connected between two fixing plates 21, and the platform plate 12 is located on the top surfaces of the placing plates 22 and the fixing plates 21; two boards of placing 22 top surfaces all are equipped with limiting plate 23, and landing slab 12 sliding connection is between two limiting plates 23. The thickness of the limiting plate 23 is smaller than that of the placing plate 22, and the platform plate 12 is attached to the top surface of the placing plate 22 when sliding to the lowest point. Fixed surface is connected with rope 24 under landing slab 12, and rope 24 is provided with storage tank 121 with landing slab 12's junction, and 24 other end fixed connections of rope are on placing board 22, and when landing slab 12 with place board 22 and laminate, rope 24 can hide in storage tank 121, and rope 24 length is 2 times of landing slab 12 thickness. Rope 24 fixes landing slab 12, can control landing slab 12 at the ascending migration range of vertical side, and when the rainwater in rainwater collecting groove 2 was comparatively sufficient, elasticity gasbag 141 come-up, applyed a vertical ascending power to landing slab 12, and landing slab 12 is kept away from and is placed board 22, applyed a decurrent pulling force to landing slab 12 through rope 24, makes landing slab 12 edge be in the top of placing board 22 always. When people walking on the ladder can apply downward force to the platform plate 12 by stepping on and pressing, the elastic air bag 141 is pressed downwards, the rainwater collecting tank 2 is pressed onto the planting belt 13, watering can be completed, the force of the tourist in the walking process is fully utilized, a pump is not needed to be additionally arranged to pump water, energy is saved, and the participation sense of watering and the pleasure of playing are increased for the tourist.

The implementation principle of the embodiment is as follows: by utilizing the characteristic that rainwater flows downwards on the ladder, a platform plate 12 capable of permeating water is arranged at the joint of the step group 1 arranged on the ladder, the rainwater on the step plate 111 flows downwards through the edge of the step plate 111 and flows to the adjacent platform plate 12, and then is collected by a rainwater collecting tank 2 below the platform plate 12, so that the rainwater is collected on the ladder; meanwhile, by means of the elasticity of the elastic air bags 141 and the springs 143, when the flat bedplate 12 is stepped on, the up-and-down movement of the flat bedplate 12 can be achieved through the elasticity of the elastic air bags 141 and the springs 143, deformation is generated in the rainwater collection tank 2 by combining the elastic air bags 141, rainwater can be extruded to the upper side from the rainwater collection tank 2, and rainwater flows to the adjacent planting belt 13, so that the rainwater is reasonably utilized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an ecological ladder in sponge city, includes that the multiunit is from low step group (1) that connects gradually to high, its characterized in that: step group (1) includes multiunit step unit (11), step unit (11) include step board (111) and connect backup pad (112) of adjacent step board (111) department, the junction of adjacent step group (1) is equipped with landing slab (12), the width of landing slab (12) is greater than the width of step board (111), landing slab (12) are the porous disk, be equipped with rainwater collecting vat (2) under landing slab (12), the cell wall and the bottom surface of rainwater collecting vat (2) constitute by reinforced concrete.

2. The sponge city ecological staircase of claim 1, characterized in that: rainwater collecting vat (2) longitudinal section is established to "protruding" font, and rainwater collecting vat (2) top both sides all are equipped with planting area (13), and planting area (13) from the top down includes vegetation layer (131), humus soil layer (132), metalling (133), filtration membrane (134) and water storage layer (135) in proper order.

3. The sponge city ecological staircase according to claim 2, characterized in that: the rainwater collecting tank is characterized in that a reinforcing mesh (27) is arranged right above the rainwater collecting tank (2), and a geotextile (25) is arranged between the reinforcing mesh (27) and the planting belt (13).

4. The sponge city ecological staircase of claim 3, characterized in that: the water storage layer (135) is positioned on the reinforcing mesh (27), a water permeable groove (1351) is arranged in the water storage layer (135), and the opening direction of the groove (1351) is upward.

5. The sponge city ecological staircase of claim 4, characterized in that: the inner part of the groove (1351) is uniformly provided with a plurality of hollow supporting columns (1352), the bottom surfaces of the bottoms of the hollow supporting columns (1352) are fixedly connected with the inner bottom surface of the groove (1351), the height of the hollow supporting columns (1352) is equal to the depth of the groove (1351), the top surfaces of the hollow supporting columns (1352) are uniformly provided with a plurality of through holes (1353), and the through holes (1353) penetrate through the tops of the hollow supporting columns (1352).

6. The sponge city ecological staircase according to claim 2, characterized in that: planting area (13) and rainwater collecting groove (2) are equipped with watertight fixed plate (21) in the junction of vertical direction, and one side that adjacent planting area (13) was kept away from in fixed plate (21) is connected with board reinforced layer (26), and board reinforced layer (26) are formed by horizontal and vertical cross welded reinforcing bar, and landing slab (12) are perpendicular with fixed plate (21) to be connected with fixed plate (21).

7. The sponge city ecological staircase of claim 1, characterized in that: the included angle formed between the step plate (111) and the ground is set to be 2-5 degrees, and water on the step plate (111) flows downwards along the edge of the step plate (111).

8. The sponge city ecological staircase of claim 1, characterized in that: an elongated slot (1111) is formed in the edge of the lower portion of the step plate (111), and an illuminating lamp (1112) is arranged in the elongated slot (1111).