CN215648401U

CN215648401U - Tree root ventilation device for street trees

Info

Publication number: CN215648401U
Application number: CN202122062536.4U
Authority: CN
Inventors: 张宸溢; 李雪红; 马学晖; 曹晨光; 王培森; 范徐宁; 梁启琛; 范文豪; 高燕; 郭彦丽
Original assignee: Shanxi Linfen Municipal Engineering Group Xin Landscape Landscaping Co ltd
Current assignee: Shanxi Linfen Municipal Engineering Group Xin Landscape Landscaping Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a tree root ventilation device for a shade tree, which comprises a water permeable brick layer, wherein the water permeable brick layer is laid on the ground, a planting hole is formed in soil on the ground, a plurality of groups of air grooves are formed in the surface of the water permeable brick layer, a gravel layer is filled on the surfaces of the plurality of groups of air grooves, planting soil balls wrapped by a water permeable geotextile bag are placed in the planting hole, the ventilation device also comprises an auxiliary component for improving the ventilation and drainage performance of the soil, the auxiliary component comprises a ventilation pipe, the ventilation pipe is arranged on the left side of the planting hole, and a ventilation cover is arranged on the upper surface of the ventilation pipe. Poor drainage effect.

Description

Tree root ventilation device for street trees

Technical Field

The utility model relates to the technical field of tree root ventilation, in particular to a street tree root ventilation device.

Background

Both tree growth habit and soil moisture have an effect on the root depth. The tree has deeper root system in the place where the underground water is deeper and the soil is looser and has better air permeability, and has shallower root system in the place where the underground water is shallower and the soil is compacter and has poorer air permeability. Generally speaking, the depth of tree roots is 1-2m, most urban street trees grow in places with deep underground water and dense soil and poor air permeability at the present stage, the root systems are shallow, and drainage is not smooth. If the trees are weak in growth and even die in early season at high temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a street tree root ventilation device which is provided with a ventilation groove and a gravel layer which are matched with each other, so that the tree root is prevented from being damaged while the tree root is ventilated, the tree root is prevented from being damaged by accumulated water in a planting hole through automatic drainage by an auxiliary component, the effect of saving resources by storing a small amount of rainwater as irrigation water is achieved, and the problems of poor ventilation property and poor drainage effect of the tree root of a street tree in most cities are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the permeable device for the roots of the street trees comprises a permeable brick layer, wherein the permeable brick layer is laid on the ground, a planting hole is formed in the soil on the ground, a plurality of groups of air grooves are formed in the surface of the permeable brick layer, a gravel layer is filled on the surfaces of the plurality of groups of air grooves, planting soil balls wrapped by permeable geotextile bags are placed in the planting hole, and the permeable device further comprises an auxiliary component for improving the permeable drainage performance of the soil.

Optionally, the auxiliary component includes a vent pipe, the vent pipe is arranged on the left side of the planting hole, a vent cover is mounted on the upper surface of the vent pipe, multiple groups of air holes I are formed in the surface of the vent cover, multiple groups of air holes II are formed in the right wall of the vent pipe, a sewer pipe is fixedly communicated with the lower end of the vent pipe, a hinge groove is formed in the left wall of the vent pipe, a baffle is hinged to the groove wall of the hinge groove, and a tension spring is mounted between the left wall of the vent pipe and the baffle.

Optionally, the inner walls of the air holes II are provided with filter screens.

Optionally, a pebble breathable layer is laid on the lower surface of the water permeable brick layer.

Optionally, a water purification layer is laid between the pebble permeable layer and the planting hole.

Optionally, the water purification layer is made of fly ash or a water purification filter material.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, the utility model achieves the effect of preventing the tree roots from being damaged by the humus layer while ventilating the tree roots by mutually matching the air grooves and the rubble layer.

The utility model achieves the effects of automatically draining water, preventing the tree roots from being damaged by excessive accumulated water in the planting holes, storing a small amount of rainwater as irrigation water and saving resources through the auxiliary component.

And thirdly, the effect of preventing rainwater from taking away soil when the rainwater flows out of the second air hole is achieved through the filter screen.

Drawings

FIG. 1 is an isometric view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is an enlarged view of the structure of fig. 2 according to the present invention at a.

In the figure: 1. a permeable brick layer; 2. a crushed stone layer; 3. a water purification layer; 4. a pebble breathable layer; 5. an air tank; 6. a gas permeable pipe; 7. a ventilation cover; 8. planting soil balls; 9. a water-permeable geotextile bag; 10. planting holes; 11. a sewer pipe; 12. a filter screen; 13. a tension spring; 14. a baffle plate; 15. a hinge slot.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: pavement tree root ventilative device, including brick layer 1 that permeates water, brick layer 1 that permeates water is laid subaerial, plant hole 10 has been seted up in the soil on ground, multiunit air groove 5 has been seted up on the surface of brick layer 1 that permeates water, the gravel layer 2 is filled on the surface of multiunit air groove 5, put into the planting soil ball 8 with the geotechnological sack 9 parcel that permeates water in the plant hole 10, still including the auxiliary component who is used for improving the ventilative drainage nature of soil, can effectively guarantee the gas permeability of plant hole 10 through air groove 5, fill gravel layer 2 through the surface at air groove 5, can prevent effectively that humus layer from appearing in air groove 5 after long-time the use, when having reached and being ventilative for the root, prevent that the humus layer from appearing the effect of harm root.

In order to improve the air permeability of the tree root and prevent the tree root from being damaged by excessive rainwater, the auxiliary component comprises a vent pipe 6, the vent pipe 6 is arranged on the left side of the planting hole 10, a vent cover 7 is arranged on the upper surface of the vent pipe 6, a plurality of groups of air holes I are formed in the surface of the vent cover 7, a plurality of groups of air holes II are formed in the right wall of the vent pipe 6, a sewer pipe 11 is fixedly communicated with the lower end of the vent pipe 6, a hinge groove 15 is formed in the left wall of the vent pipe 6, a baffle plate 14 is hinged to the wall of the hinge groove 15, a tension spring 13 is arranged between the left wall of the vent pipe 6 and the baffle plate 14, the air permeability of the planting hole 10 can be improved by arranging the vent pipe 6, when rainwater causes the water storage capacity of the planting hole 10 to be excessive, the water in the planting hole 10 can be discharged into the vent pipe 6 through the plurality of groups of air holes II, and when the weight of the water is larger than the tension of the tension spring 13, the baffle plate 14 can rotate around the hinge point, at this moment, the inlet of the downcomer 11 is opened, the surplus water can be automatically discharged, if the weight of the water is not enough to extrude the tension spring 13 to open the baffle 14, the rest water can be stored in the ventilation pipe 6 and can be used as irrigation water, and the effects of automatically discharging water, preventing the tree roots from being damaged by excessive accumulated water in the planting holes 10, and saving resources by storing a small amount of rainwater as the irrigation water.

In order to prevent rainwater from taking away soil when flowing out of the second air holes, the inner walls of the plurality of groups of second air holes are provided with filter screens 12.

In order to improve the air permeability of the soil, a pebble air permeable layer 4 is further paved on the lower surface of the water permeable brick layer 1.

In order to filter impurities in rainwater, a water purification layer 3 is further paved between the pebble permeable layer 4 and the planting hole 10.

In order to determine the material of the water purification layer 3, the material of the water purification layer 3 is fly ash or a water purification filter material.

The working principle is as follows: when this ventilative device of pavement tree root uses, can effectively guarantee the gas permeability of plant hole 10 through gas tank 5, pack metalling 2 through the surface at gas tank 5, can prevent effectively that gas tank 5 from the humus layer appearing after long-time the use, when having reached and breathing freely for the tree root, prevent that the humus layer from the effect of harm tree root from appearing.

Can improve the gas permeability of planting hole 10 through setting up permeability cell 6, when rain makes the water storage capacity of planting hole 10 too much, water in the planting hole 10 can be arranged in permeability cell 6 through multiunit gas pocket two, when the weight of water is greater than tension spring 13's pulling force, baffle 14 can use the pin joint as the centre of a circle rotation, at this moment, the entry of downcomer 11 is opened, unnecessary water can be discharged automatically, if the weight of water is not enough to extrude tension spring 13 and open baffle 14, remaining water will be stored in permeability cell 6, can regard as the watering to use, reached automatic drainage and prevented that planting hole 10 is interior ponding too much to damage the root, and save a small amount of rainwater and use the effect of saving the resource as the watering.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The ventilative device of pavement tree root, including permeable brick layer (1), its characterized in that: the water permeable brick layer (1) is laid on the ground, a planting hole (10) is formed in soil on the ground, a plurality of groups of air grooves (5) are formed in the surface of the water permeable brick layer (1), a gravel layer (2) is filled on the surfaces of the air grooves (5), and a planting soil ball (8) wrapped by a water permeable geotextile bag (9) is placed in the planting hole (10);

the soil water-permeable and water-draining device further comprises an auxiliary component for improving the soil water-permeable and water-draining property.

2. The shade tree root ventilation device of claim 1, wherein: the auxiliary component comprises a vent pipe (6), the vent pipe (6) is arranged on the left side of the planting hole (10), a vent cover (7) is arranged on the upper surface of the vent pipe (6), a plurality of groups of air holes I are formed in the surface of the vent cover (7), a plurality of groups of air holes II are formed in the right wall of the vent pipe (6), a sewer pipe (11) is fixedly communicated with the lower end of the vent pipe (6), a hinge groove (15) is formed in the left wall of the vent pipe (6), a baffle plate (14) is hinged to the groove wall of the hinge groove (15), and a tension spring (13) is arranged between the left wall of the vent pipe (6) and the baffle plate (14).

3. The shade tree root ventilation device of claim 2, wherein: and filter screens (12) are arranged on the inner walls of the air holes II.

4. The shade tree root ventilation device of claim 2, wherein: and a pebble breathable layer (4) is laid on the lower surface of the water permeable brick layer (1).

5. The shade tree root ventilation device of claim 4, wherein: a water purification layer (3) is paved between the pebble air-permeable layer (4) and the planting hole (10).

6. The shade tree root ventilation device of claim 5, wherein: the water purification layer (3) is made of fly ash or a water purification filter material.