Irrigation structure and high and steep slope ecological restoration three-dimensional device

By designing a watering structure that automatically adjusts the water flow rate and an ecological restoration device for multi-layer vegetation, the problem of single type of greening vegetation with high steep slopes and short survival time is solved, and rapid greening effect and long-term ecological benefits are achieved.

CN223053589UActive Publication Date: 2025-07-04CHINA THREE GORGES PROJECTS DEV CO LTD
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Patent Information

Application Number
CN202422032192.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-07-04
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The greening vegetation type of medium and high steep slopes in the prior art is single, with short survival time, and artificial irrigation is unsafe and costly, making it difficult to meet the requirements of rapid ecological restoration.

Method used

A watering structure is designed, including a water storage tank, drainage pipe, control components and adjustment components. Through the coordination of the lifting and lowering components and the barrier components, the water flow rate is automatically adjusted, and combined with the three-dimensional device for ecological restoration of high steep slopes, a multi-layer vegetation structure is constructed.

Benefits of technology

It has achieved rapid results in greening of high and steep slopes, diverse vegetation types, long survival time, low investment, simple maintenance, and meeting the needs of rapid ecological restoration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ecological restoration, in particular to an irrigation structure and a high and steep slope ecological restoration three-dimensional device. The drainage pipe is arranged on one side of the water storage tank; the drainage assembly is arranged in the water storage tank and used for draining water in the water storage tank into the drainage pipe; the control part comprises a control box arranged in the water storage tank, a lifting assembly which is arranged in the water storage tank and extends into the control box, a moving assembly which is arranged in the control box and is connected with the lifting assembly, and a blocking assembly which is arranged at one end of the moving assembly and is connected with the drainage assembly; water in the water storage tank is guided into the drainage pipe through the drainage assembly, and through cooperation of the lifting assembly, the moving assembly and the blocking assembly, the flow speed of water in the drainage assembly is increased when the water level in the water storage tank is high, and the flow speed of the water in the drainage assembly is decreased when the water level is low.
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Description

Technical Field

[0001] The utility model relates to the technical field of ecological restoration, in particular to an irrigation structure and a three-dimensional device for ecological restoration of high and steep slopes. Background Technique

[0002] In order to control the high and steep slopes excavated in construction projects such as highways, railways, mines, water conservancy and hydropower, and pumped storage power stations, prevent soil and water loss and restore the ecological landscape function, currently, ecological restoration technologies such as TBS (vegetation concrete slope protection technology) and CBS (thick layer substrate biotechnology) have been widely used (as shown in the following figure). These technologies have the characteristics of good slope protection stability, quick greening effect, and easy construction organization. However, due to the large slope of high and steep slopes (more than 70°), the limited bearing capacity of the slope surface makes it mainly plant short herbaceous plants, and the vegetation type is relatively single. In addition, the thickness of the concrete substrate is small. Even with nutrient slow-release measures such as biological rods, the survival time of plants on the slope is still short (usually 3-5 years). After the plants wither, they need to be re-sprayed, resulting in high maintenance costs. Climbing plants have a longer survival time (for example, Boston ivy can survive for 20 years). At present, they have been partially applied to high and steep rock slopes. After growing lushly, the greening effect is good, and different varieties can be selected according to different climates, with low investment and simple maintenance. However, green plants need to be irrigated to grow well, and manual irrigation is not only unsafe but also inefficient, unable to meet the requirements of rapid ecological restoration of the slope surface. Content of the Utility Model

[0003] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and the title of the specification of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0004] In view of the problem of cumbersome irrigation in the above or existing technologies, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide an irrigation structure.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions: including a water storage tank; a drainage pipe provided on one side of the water storage tank; a drainage assembly provided inside the water storage tank for draining the water in the water storage tank into the drainage pipe; a control component including a control box provided in the water storage tank, a lifting assembly provided inside the water storage tank and extending into the control box, a moving assembly provided inside the control box and connected to the lifting assembly, and a blocking assembly provided at one end of the moving assembly and connected to the drainage assembly; the water in the water storage tank is guided into the drainage pipe through the drainage assembly, and through the cooperation between the lifting assembly, the moving assembly and the blocking assembly, when the water level inside the water storage tank is high, the water flow rate in the drainage assembly is accelerated, and when the water level is low, the water flow rate in the drainage assembly is slowed down.

[0007] As a preferred embodiment of the watering structure of the present utility model, wherein: the drainage assembly includes a driving member provided in the water storage tank, a water inlet pipe provided below the driving member, a water outlet pipe provided above the driving member, and a rotating member provided inside the water inlet pipe; wherein, two water inlet pipes and two water outlet pipes are provided, and rotating members are provided inside both of the two water inlet pipes and the two water outlet pipes.

[0008] As a preferred embodiment of the watering structure of the present utility model, wherein: the driving member includes a fixed cylinder provided inside the water storage tank, a piston provided inside the fixed cylinder, and a hydraulic push rod provided on one side of the piston.

[0009] As a preferred embodiment of the watering structure of the present utility model, wherein: the rotating member includes a rotating shaft provided inside the water inlet pipe, a rotating disk provided inside the water inlet pipe, and a limiting plate provided below the rotating disk.

[0010] As a preferred embodiment of the watering structure of the present utility model, wherein: the lifting assembly includes a guide rail provided above the control box, a floating plate provided on one side of the guide rail, a pull rope provided below the floating plate, and a winding seat provided below the pull rope.

[0011] As a preferred embodiment of the watering structure of the present utility model, wherein: the moving assembly includes a rotating shaft provided inside the winding seat, a gear provided on the outer side of the rotating shaft, and a clockwork spring provided at one end of the rotating shaft.

[0012] As a preferred embodiment of the watering structure of the present utility model, wherein: the blocking assembly includes a rack provided below the gear, a slide rail provided below the rack, and a blocking plate provided at one end of the rack.

[0013] As a preferred embodiment of the watering structure of the present utility model, it further includes an adjusting assembly, which includes a shunt pipe arranged at one end of the drainage pipe, a moving ring arranged outside the shunt pipe, a screw rod arranged above the moving ring, a knob arranged above the screw rod, a drip irrigation head arranged on one side of the moving ring, and a seal arranged outside the shunt pipe.

[0014] As a preferred embodiment of the watering structure of the present utility model, the seal includes a fixed disk arranged inside the shunt pipe, a guide rod arranged on one side of the fixed disk, a return spring arranged outside the guide rod, and a moving disk arranged at one end of the guide rod.

[0015] The beneficial effects of the watering structure of the present utility model are as follows: The water in the water storage tank is guided into the drainage pipe through the drainage assembly, and through the cooperation between the lifting assembly, the moving assembly and the blocking assembly, when the water level in the water storage tank is high, the water flow rate in the drainage assembly is accelerated, and when the water level is low, the water flow rate in the drainage assembly is slowed down.

[0016] In view of the problem that greening cannot exist for a long time in the actual use process, a three-dimensional device for ecological restoration of high and steep slopes is proposed.

[0017] To solve the above technical problems, the present utility model also provides the following technical solutions: It includes the watering structure described in any one of the claims, as well as a high and steep slope, a slope ecological restoration layer arranged on the slope surface of the high and steep slope, a climbing plant layer arranged on one side of the foot of the high and steep slope, and a tree and shrub layer arranged on one side of the climbing plant layer.

[0018] The beneficial effects of the three-dimensional device for ecological restoration of high and steep slopes of the present utility model are as follows: The ecological restoration combined structure of the present utility model can effectively solve the problems existing in the current greening technologies for high and steep slopes, such as single vegetation type, short survival time, and slow growth of climbing plants, which cannot quickly achieve the greening effect. It gives full play to their respective advantages, constructs a high and steep slope excavation surface ecological restoration system with quick greening effect, multiple vegetation types, long duration, low overall investment, and easy operation and maintenance, and has obvious ecological and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0020] Figure 1 It is a schematic diagram of the overall structure of the watering structure of the present utility model.

[0021] Figure 2 This is a schematic cross-sectional view of the irrigation structure of the present utility model.

[0022] Figure 3 This is a schematic internal structure view of the irrigation structure of the present utility model.

[0023] Figure 4 This is a front view of the cross-sectional structure of the irrigation structure of the present utility model.

[0024] Figure 5 For the present utility model Figure 4 Schematic enlarged view of the structure at A.

[0025] Figure 6 This is a schematic view of the structure of Embodiment 2 of the present utility model.

[0026] Figure 7 This is a schematic cross-sectional view of the structure of Embodiment 2 of the present utility model.

[0027] Figure 8 For the present utility model Figure 7 Schematic enlarged view of the structure at B. Specific embodiments

[0028] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made in conjunction with the accompanying drawings of the specification.

[0029] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0030] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present utility model. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0031] Embodiment 1

[0032] Referring to Figures 1-5 , this is the first embodiment of the present utility model. This embodiment provides an irrigation structure, including a water storage tank 101. The water storage tank 101 is used to collect rainwater and groundwater seeping down from the hillside. A filter screen is arranged above the water storage tank 101. The filter screen only allows water to flow and prevents other impurities from entering the interior of the water storage tank 101;

[0033] A drainage pipe 102 is arranged on one side of the water storage tank 101; the drainage pipe 102 is used to guide water flow into the roots of plants for irrigation, so that the roots of plants can fully absorb water.

[0034] A drainage assembly 200 is arranged inside the water storage tank 101 and is used to drain the water in the water storage tank 101 into the drainage pipe 102, and the flow rate of the water body can be increased through the drainage assembly 200;

[0035] A control component 300 includes a control box 304 arranged inside the water storage tank 101, a lifting assembly 301 arranged inside the water storage tank 101 and extending into the control box 304, a moving assembly 302 arranged inside the control box 304 and connected to the lifting assembly 301, and a blocking assembly 303 arranged at one end of the moving assembly 302 and connected to the drainage assembly 200;

[0036] The position of the lifting assembly 301 changes due to the water level inside the water storage tank 101. When the water level is low, through the cooperation between the moving assembly 302 and the blocking assembly 303, the blocking assembly 303 covers a part of the drainage assembly 200, so that the water flow rate inside the drainage assembly 200 slows down. When the water level is high, through the cooperation between the moving assembly 302 and the blocking assembly 303, the blocking assembly 303 moves away from the drainage assembly 200, so that the water flow rate inside the drainage assembly 200 speeds up.

[0037] Further, the drainage assembly 200 includes a driving part 201 arranged in the water storage tank 101, a water inlet pipe 202 arranged below the driving part 201, a water outlet pipe 203 arranged above the driving part 201, and a rotating part 204 arranged inside the water inlet pipe 202; among them, there are two water inlet pipes 202 and two water outlet pipes 203, and rotating parts 204 are arranged inside both of the two water inlet pipes 202 and the two water outlet pipes 203;

[0038] Through the driving of the driving part 201, the water in the water storage tank 101 enters the driving part 201 from the water inlet pipe 202, and then enters the drainage pipe 102 from the water outlet pipe 203, so as to facilitate irrigation.

[0039] Further, the driving part 201 includes a fixed cylinder 201c arranged inside the water storage tank 101, a piston 201b arranged inside the fixed cylinder 201c, and a hydraulic push rod 201a arranged on one side of the piston 201b. The fixed cylinder 201c is fixed inside the water storage tank 101 through a fixing plate. The piston 201b is slidably arranged inside the fixed cylinder 201c. The piston 201b is driven to slide through the hydraulic push rod 201a. Since the hydraulic push rod 201a can plan the stroke according to the set system, the piston 201b can slide the required stroke according to needs.

[0040] Further, the rotating member 204 includes a rotating shaft 204b disposed inside the water inlet pipe 202, a rotating disk 204a disposed inside the water inlet pipe 202, and a limiting plate 204c disposed below the rotating disk 204a. When the piston 201b moves to one side, the rotating disk 204a above the water inlet pipe 202 on one side remains horizontal due to the pressure, and the rotating disk 204a below the water outlet pipe 203 on one side rotates counterclockwise around the rotating shaft 204b due to the pressure, so that water can flow out from the water outlet pipe 203. The rotating disk 204a above the water inlet pipe 202 on one side rotates counterclockwise around the rotating shaft 204b, so that the water body enters the side of the piston 201b inside the fixed cylinder 201c from the water inlet pipe 202 on one side;

[0041] When the piston 201b moves to one side, the rotating disk 204a above the water inlet pipe 202 on one side rotates clockwise, so as to fit with the limiting plate 204c. The rotating disk 204a below the water outlet pipe 203 on one side rotates and moves away from the limiting plate 204c, so that the water body flows out from the upper water outlet pipe 203. At this time, the rotating disk 204a below the water outlet pipe 203 on one side fits with the limiting plate 204c, and the rotating disk 204a above the water inlet pipe 202 on one side moves away from the limiting plate 204c, so that the water body enters the side of the piston 201b inside the fixed cylinder 201c from the water inlet pipe 202 on one side, thereby increasing the overall water flow rate and flow volume.

[0042] Further, the lifting assembly 301 includes a guide rail 301b disposed above the control box 304, a floating plate 301a disposed on one side of the guide rail 301b, a pulling rope 301c disposed below the floating plate 301a, and a winding seat 301d disposed below the pulling rope 301c. The winding seat 301d is connected to the moving assembly 302.

[0043] Further, the moving assembly 302 includes a rotating shaft 302a disposed inside the winding seat 301d, a gear 302b disposed on the outer side of the rotating shaft 302a, and a clockwork spring 302c disposed at one end of the rotating shaft 302a. The gear 302b is connected to the blocking assembly 303.

[0044] Further, the blocking assembly 303 includes a rack 303b disposed below the gear 302b, a slide rail 303c disposed below the rack 303b, and a blocking plate 303a disposed at one end of the rack 303b;

[0045] When the water level rises, the floating plate 301a will move upward along the guide rail 301b, thereby pulling the pull rope 301c, causing the winding seat 301d to rotate, causing the rotating shaft 302a to start rotating, and the clockwork spring 302c to start storing energy. The gear 302b meshes with the rack 303b, causing the rack 303b to move away from the water inlet pipe 202 on one side of the fixed cylinder 201c, thereby increasing the flow rate and velocity of the water body;

[0046] When the water level drops, the floating plate 301a will move downward along the guide rail 301b, thereby loosening the pull rope 301c, causing the winding seat 301d to stop moving. Since the clockwork spring 302c releases elastic potential energy, the rotating shaft 302a starts to rotate in the reverse direction, causing the winding seat 301d to tighten the pull rope 301c. The gear 302b meshes with the rack 303b, causing the rack 303b to move towards the fixed cylinder 201c, causing the blocking plate 303a to approach the water inlet pipe 202 on one side of the fixed cylinder 201c, thereby reducing the flow rate and velocity of the water body

[0047] Operation process: When it is necessary to irrigate the green plants, the hydraulic push rod 201a is started to drive the piston 201b to absorb and release water in the fixed cylinder 201c, and the water level in the water storage tank 101 is detected by the floating plate 301a, so that the flow rate of the water body can be increased or decreased through the cooperation of stretching and the clockwork spring 302c.

[0048] Embodiment 2

[0049] Refer to Figures 1-8 , which is the second embodiment of the present utility model. Different from the previous embodiment: it further includes an adjustment component 400, which includes a shunt pipe 401 arranged at one end of the drainage pipe 102, a moving ring 404 arranged outside the shunt pipe 401, a screw rod 403 arranged above the moving ring 404, a knob 402 arranged above the screw rod 403, a drip irrigation head 405 arranged on one side of the moving ring 404, and a seal 406 arranged outside the shunt pipe 401. The shunt pipe 401 is fixedly connected to the drainage pipe 102. The moving ring 404 is slidably arranged outside the shunt pipe 401, and the position of the moving ring 404 on the shunt pipe 401 is fixed by the screw rod 403. The thread outside the drip irrigation head 405 is threadedly connected to the moving ring 404. Therefore, by rotating the drip irrigation head 405, the drip irrigation head 405 can enter the inside of the shunt pipe 401 by hitting the seal 406. The purpose of such a design is to adjust the position of the drip irrigation head 405 according to the position to be irrigated, so as to ensure the accuracy of the irrigation position.

[0050] Specifically, the seal 406 includes a fixed disk 406b disposed inside the shunt pipe 401, a guide rod 406a disposed on one side of the fixed disk 406b, a return spring 406d disposed outside the guide rod 406a, and a moving disk 406c disposed at one end of the guide rod 406a. The drip irrigation head 405 moves into the shunt pipe 401, thereby hitting the moving disk 406c. Due to the arrangement of the guide rod 406a, the moving disk 406c can only move vertically. When the drip irrigation head 405 moves outside the shunt pipe 401, the moving disk 406c, due to the design of the return spring 406d, moves the moving disk 406c outside the shunt pipe 401, thereby sealing the shunt pipe 401.

[0051] The remaining structure is the same as that of Embodiment 1.

[0052] Embodiment 3

[0053] Referring to Figures 1-8 , this is the third embodiment of the present utility model. Different from the previous embodiment, this embodiment provides a three-dimensional device for ecological restoration of high and steep slopes; it includes an irrigation structure, as well as a high and steep slope, a slope ecological restoration layer provided on the slope surface of the high and steep slope, a climbing plant layer provided on one side of the foot of the high and steep slope, and a tree and shrub layer provided on one side of the climbing plant layer. Place the irrigation structure inside the planting trough at the foot of the high and steep slope, and then guide the water to the roots of the climbing plants and trees and shrubs through the shunt pipe for irrigation.

[0054] This device consists of a slope ecological restoration layer, a foot-of-slope climbing plant layer, and a planting trough tree and shrub layer. Among them, the slope ecological restoration layer grows rapidly to meet the greening requirements in the first few years. During this period, the climbing plants grow slowly, and subsequently gradually cover the dead plants on the slope from bottom to top, forming an ecological restoration system with diverse vegetation types, long survival time, and coordinated with the surrounding natural ecological community structure together with the trees and shrubs in the planting trough. Among them, the slope ecological restoration layer selects technologies such as TBS and CBS according to the slope rock and soil properties. The foot-of-slope climbing plant layer plants adsorbing climbing plants such as Parthenocissus tricuspidata and Hedera nepalensis according to climatic conditions (temperature, light, etc.) (the density is based on the principle of covering the slope). The planting trough tree and shrub layer selects local species of trees and shrubs to be planted in parallel or alternately according to the site conditions. The construction sequence of this device is: first implement the slope ecological restoration layer, spray vegetation concrete on the slope, then build the foot-of-slope planting trough and the irrigation structure of the present utility model. After covering the soil in the trough, synchronously plant climbing plants and trees and shrubs. The irrigation structure of the present utility model further improves the growth conditions of the climbing plants and trees and shrubs, and improves the maintenance efficiency and convenience.

[0055] The remaining structures are the same as those of Embodiment 1 or 2.

[0056] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in this application (for example, changes in the dimensions, scales, structures, shapes and proportions of various elements, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature, number or position of discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a particular embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0057] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model or those features that are not relevant to the implementation of the present utility model).

[0058] It should be understood that in the development of any actual implementation, as in any engineering or design project, a large number of specific implementation decisions may be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without excessive experimentation, such development efforts will be a routine task of design, manufacturing and production.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and all of them should be covered by the scope of the claims of the present utility model.

Claims

1. An irrigation structure, characterized in that: Comprising: A water storage tank (101); A drainage pipe (102) disposed on one side of the water storage tank (101); A drainage assembly (200) disposed inside the water storage tank (101) for draining the water in the water storage tank (101) into the drainage pipe (102); A control component (300) including a control box (304) disposed inside the water storage tank (101), a lifting assembly (301) disposed inside the water storage tank (101) and extending into the control box (304), a moving assembly (302) disposed inside the control box (304) and connected to the lifting assembly (301), and a blocking assembly (303) disposed at one end of the moving assembly (302) and connected to the drainage assembly (200).

2. The watering structure according to claim 1, wherein: The drainage assembly (200) includes a driving member (201) disposed in the water storage tank (101), a water inlet pipe (202) disposed below the driving member (201), a water outlet pipe (203) disposed above the driving member (201), and a rotating member (204) disposed inside the water inlet pipe (202); Wherein, there are two water inlet pipes (202) and two water outlet pipes (203), and rotating members (204) are disposed inside both of the two water inlet pipes (202) and the two water outlet pipes (203).

3. The watering structure according to claim 2, characterized in that: The driving member (201) includes a fixed cylinder (201c) disposed inside the water storage tank (101), a piston (201b) disposed inside the fixed cylinder (201c), and a hydraulic push rod (201a) disposed on one side of the piston (201b).

4. The watering structure according to claim 3, characterized in that: The rotating member (204) includes a rotating shaft (204b) disposed inside the water inlet pipe (202), a rotating disk (204a) disposed inside the water inlet pipe (202), and a limiting plate (204c) disposed below the rotating disk (204a).

5. The watering structure according to claim 4, wherein: The lifting assembly (301) includes a guide rail (301b) disposed above the control box (304), a floating plate (301a) disposed on one side of the guide rail (301b), a pull rope (301c) disposed below the floating plate (301a), and a winding seat (301d) disposed below the pull rope (301c).

6. The irrigation structure according to claim 5, wherein: The moving assembly (302) includes a rotating shaft (302a) disposed inside the winding seat (301d), a gear (302b) disposed on the outer side of the rotating shaft (302a), and a clockwork spring (302c) disposed at one end of the rotating shaft (302a).

7. The irrigation structure according to claim 6, characterized in that: The blocking assembly (303) includes a rack (303b) disposed below the gear (302b), a slide rail (303c) disposed below the rack (303b), and a blocking plate (303a) disposed at one end of the rack (303b); Wherein, the blocking plate (303a) extends into the fixed cylinder (201c).

8. The irrigation structure according to claim 7, characterized in that: It further includes an adjusting component (400), which includes a shunt pipe (401) arranged at one end of the drainage pipe (102), a moving ring (404) arranged outside the shunt pipe (401), a screw rod (403) arranged above the moving ring (404), a knob (402) arranged above the screw rod (403), a drip irrigation head (405) arranged on one side of the moving ring (404), and a seal (406) arranged outside the shunt pipe (401).

9. The watering structure according to claim 8, wherein: The seal (406) includes a fixed disk (406b) arranged inside the shunt pipe (401), a guide rod (406a) arranged on one side of the fixed disk (406b), a return spring (406d) arranged outside the guide rod (406a), and a moving disk (406c) arranged at one end of the guide rod (406a).

10. A three-dimensional device for ecological restoration of high and steep slopes, characterized in that: It includes the watering structure according to any one of claims 1 to 9, as well as a high and steep slope, a slope ecological restoration layer arranged on the slope surface of the high and steep slope, a climbing plant layer arranged on one side of the foot of the high and steep slope, and a tree and shrub layer arranged on one side of the climbing plant layer.