Breathable paving structure for street tree rejuvenation

Abstract

The breathable paving structure comprises a planting pit foundation, longitudinal breathable pipes are arranged in the planting pit foundation, openings are formed in the tops of the longitudinal breathable pipes and the tops of transverse breathable pipes, intercepting nets are fixedly connected to the inner walls of the openings, and the tops of the intercepting nets and the tops of water permeable bricks are located on the same horizontal line. One end of the longitudinal ventilation pipe is connected with a transverse ventilation pipe, ventilation holes are formed in the inner sides of the longitudinal ventilation pipe and the transverse ventilation pipe, supporting frames are fixedly connected to the inner walls of the longitudinal ventilation pipe and the transverse ventilation pipe, the section view of the longitudinal ventilation pipe and the transverse ventilation pipe is of a U-shaped structure, and the inner sides of the longitudinal ventilation pipe and the transverse ventilation pipe are filled with an original soil layer; an isolation layer, a breathable layer, a water storage layer, a filter layer and water permeable bricks are arranged on the top of the original soil layer. The device can ensure the air permeability of the border trees in the planting process, so that the growth efficiency of the border trees is improved, and the border trees grow more strongly.

Description

TECHNICAL FIELD

[0001] The utility model relates to city afforestation technical field, concretely is a kind of ventilation paving structure for avenue tree rejuvenation. BACKGROUND

[0002] Avenue tree refers to the tree planted on the both sides of city road, separation zone or sidewalk, they not only beautify city environment, but also provide many ecological and social benefits.

[0003] City planning work includes city sidewalk afforestation work, and the ventilation of existing avenue tree is poor in planting process, so that the growth of avenue tree is easily limited, affect city afforestation, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of ventilation paving structure for avenue tree rejuvenation to solve the problem of poor ventilation of avenue tree planting in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ventilation paving structure for avenue tree rejuvenation, including planting pit base, the inside of planting pit base is provided with longitudinal ventilation pipe, one end of longitudinal ventilation pipe is connected with horizontal ventilation pipe, and the inside of longitudinal ventilation pipe and horizontal ventilation pipe is all provided with ventilation hole, the inner wall of longitudinal ventilation pipe and horizontal ventilation pipe is all fixedly connected with support frame, longitudinal ventilation pipe and horizontal ventilation pipe section are "N" shape structure, and the inside of longitudinal ventilation pipe and horizontal ventilation pipe is filled with original soil layer, and original soil layer top is provided with isolation layer, ventilation layer, water storage layer, filter layer and water permeable brick.

[0006] Preferably, the top of longitudinal ventilation pipe and horizontal ventilation pipe is all provided with opening, the inner wall of opening is fixedly connected with intercepting net, and the top of intercepting net and the top of water permeable brick are on the same horizontal line.

[0007] Preferably, the support frame is longitudinally equidistantly distributed with multiple about the inner wall of longitudinal ventilation pipe and horizontal ventilation pipe, and the top of support frame is provided with bearing plate.

[0008] Preferably, the bearing plate is mesh structure, and the bearing plate is provided with multiple, and the bearing plate is used to separate isolation layer, ventilation layer, water storage layer, filter layer and original soil layer.

[0009] Preferably, the material of isolation layer is non-woven fabric, and is used to isolate original soil layer.

[0010] Preferably, the top of isolation layer is provided with ventilation layer, the top of ventilation layer is provided with water storage layer, the top of water storage layer is provided with filter layer, and the top of filter layer is provided with water permeable brick.

[0011] Preferably, the material of the air-permeable layer is gravel, and the materials of the filter layer and the water storage layer are fine sand and coarse sand respectively.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] (1), this device can guarantee the air permeability in the street tree planting process, thereby improving the growth efficiency of street trees, make street tree growth more strong.

[0014] (2), this device through the inside of planting pit base place longitudinal air pipe and transverse air pipe, longitudinal air pipe and transverse air pipe assembly integral connection and form the frame of upper end opening, through setting up isolation layer, air-permeable layer, water storage layer, filter layer and water permeable brick in longitudinal air pipe and transverse air pipe inboard, can improve the air permeability at the original soil layer, thereby conducive to the growth of street trees.

[0015] (3), this device through setting up support frame in longitudinal air pipe and transverse air pipe inner wall, and place the bearing plate on support frame, and bearing plate is used to separate isolation layer, air-permeable layer, water storage layer, filter layer and water permeable brick, thereby can guarantee the spacing between isolation layer, air-permeable layer, water storage layer, filter layer and water permeable brick, alleviate settlement, thereby guarantee the air permeability of original soil layer. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic view of a kind of street tree rejuvenation of the utility model air-permeable paving structure;

[0017] Figure 2 It is the air-permeable paving structure of a kind of street tree rejuvenation of the utility model Figure 1 Enlarged view of A place in middle;

[0018] Figure 3 It is the longitudinal air pipe and transverse air pipe connection plan view of the air-permeable paving structure of a kind of street tree rejuvenation of the utility model;

[0019] Figure 4 It is the bearing plate plan view of the air-permeable paving structure of a kind of street tree rejuvenation of the utility model.

[0020] In the drawing: 1, planting pit base;2, intercepting net;3, water permeable brick;4, filter layer;5, water storage layer;6, air-permeable layer;7, isolation layer;8, original soil layer;9, longitudinal air pipe;10, air hole;11, transverse air pipe;12, support frame;13, bearing plate. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of street tree rejuvenation's ventilation paving structure, including planting pit base 1, planting pit base 1 inside is provided with longitudinal ventilation pipe 9, longitudinal ventilation pipe 9 and the top of transverse ventilation pipe 11 are all provided with opening, opening inner wall is fixedly connected with intercepting net 2, the top of intercepting net 2 and the top of water-permeable brick 3 are on the same horizontal line, this structure can make air smoothly pass through longitudinal ventilation pipe 9 into planting pit base 1 by intercepting net 2, while intercepting impurity, avoid longitudinal ventilation pipe 9 block, one end of longitudinal ventilation pipe 9 is connected with transverse ventilation pipe 11, longitudinal ventilation pipe 9 and the inside of transverse ventilation pipe 11 are all provided with ventilation hole 10, the inner wall of longitudinal ventilation pipe 9 and transverse ventilation pipe 11 is fixedly connected with support frame 12, support frame 12 is about longitudinal ventilation pipe 9 and the inner wall of transverse ventilation pipe 11 and is longitudinally equidistantly distributed with multiple, the top of support frame 12 is provided with bearing plate 13, this structure can play the supporting role to bearing plate 13 by support frame 12, while bearing plate 13 can also play the role of shaping to longitudinal ventilation pipe 9 and transverse ventilation pipe 11, avoid longitudinal ventilation pipe 9 and transverse ventilation pipe 11 to inside side tight deformation, bearing plate 13 is in mesh structure, bearing plate 13 is provided with multiple, bearing plate 13 is used to separate isolation layer 7, ventilation layer 6, water storage layer 5, filter layer 4 and original soil layer 8, this structure can separate isolation layer 7, ventilation layer 6, water storage layer 5, filter layer 4 and original soil layer 8 by bearing plate 13, while relieving the problem of the emergence of the airtightness of original soil layer 8 caused by the compaction of isolation layer 7, ventilation layer 6, water storage layer 5, filter layer 4 and original soil layer 8 due to settlement problem, the material of isolation layer 7 is non-woven fabric, for separating original soil layer 8, this structure can isolate impurity and original soil layer 8 by isolation layer 7, isolation layer 7 top is provided with ventilation layer 6, ventilation layer 6 top is provided with water storage layer 5, water storage layer 5 top is provided with filter layer 4, filter layer 4 top is provided with water-permeable brick 3, this structure can make rainwater penetrate to bottom smoothly by water-permeable brick 3, the material of ventilation layer 6 is broken stone, the material of filter layer 4 and water storage layer 5 is fine sand and coarse sand respectively, the filter layer 4 of this structure can filter rainwater, water storage layer 5 is beneficial to the concentration and filtration of rainwater, reach the role of moisturizing, longitudinal ventilation pipe 9 and transverse ventilation pipe 11 section are in the shape of "n", the inside of longitudinal ventilation pipe 9 and transverse ventilation pipe 11 is filled with original soil layer 8, original soil layer 8 top is provided with isolation layer 7, ventilation layer 6, water storage layer 5, filter layer 4 and water-permeable brick 3, longitudinal ventilation pipe 9 and transverse ventilation pipe 11 can be spliced and assembled using joint.

[0023] Working principle: when using the air-permeable paving structure for the street tree rejuvenation, first, the longitudinal air-permeable pipe 9 and the transverse air-permeable pipe 11 are pre-laid inside the planting pit base 1, then the street tree is placed inside the planting pit base 1, then a certain depth of the original soil layer 8 is backfilled, then a bearing plate 13 is placed on the support frame 12 of the longitudinal air-permeable pipe 9 and the transverse air-permeable pipe 11 at different heights in sequence, at the same time, the isolation layer 7, the air-permeable layer 6, the water storage layer 5 and the filter layer 4 are laid on each layer of the bearing plate 13 from bottom to top in sequence, after the filter layer 4 is laid, the water permeable brick 3 is finally laid to be flush with the ground, in the process of the growth of the street tree, the external air can penetrate to the original soil layer 8 through the water permeable brick 3 and the interception net 2, thereby improving the air permeability of the original soil layer 8 and ensuring the growth effect of the street tree.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A permeable paving structure for street tree rejuvenation comprising a planting pit base (1) characterised in that: The planting pit base (1) is internally provided with a longitudinal ventilation pipe (9), one end of the longitudinal ventilation pipe (9) is connected with a transverse ventilation pipe (11), the inner sides of the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11) are both provided with ventilation holes (10), the inner walls of the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11) are both fixedly connected with support frames (12), the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11) are both in a "n" shape in section, the inner sides of the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11) are filled with an original soil layer (8), the top of the original soil layer (8) is provided with an isolation layer (7), a ventilation layer (6), a water storage layer (5), a filter layer (4) and a water permeable brick (3).

2. A permeable paving structure for street tree rejuvenation according to claim 1, wherein: The top of the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11) is both provided with an opening, the inner wall of the opening is fixedly connected with a blocking net (2), the top of the blocking net (2) is located on the same horizontal line as the top of the water permeable brick (3).

3. A permeable paving structure for street tree rejuvenation according to claim 1, wherein: The support frames (12) are longitudinally and equidistantly distributed on the inner walls of the longitudinal ventilation pipe (9) and the transverse ventilation pipe (11), and the top of each support frame (12) is provided with a bearing plate (13).

4. A permeable paving structure for street tree rejuvenation according to claim 3, wherein: The bearing plates (13) are in a mesh structure, and a plurality of bearing plates (13) are arranged, and the bearing plates (13) are used for separating the isolation layer (7), the ventilation layer (6), the water storage layer (5), the filter layer (4) and the original soil layer (8).

5. The air-permeable paving structure for street tree rejuvenation of claim 1, wherein: The isolation layer (7) is made of non-woven fabric and is used for isolating the original soil layer (8).

6. A permeable paving structure for street tree rejuvenation according to claim 1, wherein: The top of the isolation layer (7) is provided with the ventilation layer (6), the top of the ventilation layer (6) is provided with the water storage layer (5), the top of the water storage layer (5) is provided with the filter layer (4), and the top of the filter layer (4) is provided with the water permeable brick (3).

7. A permeable paving structure for street tree rejuvenation according to claim 1, wherein: The ventilation layer (6) is made of gravel, and the filter layer (4) and the water storage layer (5) are made of fine sand and coarse sand, respectively.

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