CN113854127B

CN113854127B - Self-interacting highway afforestation irrigation equipment

Info

Publication number: CN113854127B
Application number: CN202111137153.7A
Authority: CN
Inventors: 柴峰
Original assignee: QINGDAO ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd
Current assignee: QINGDAO ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-12-27
Anticipated expiration: 2041-09-27
Also published as: CN113854127A

Abstract

The invention relates to the technical field of environmental protection, and discloses a self-adjusting road greening irrigation device which comprises a water storage tank, rainwater inlets positioned on two sides of the water storage tank, a water pump positioned at the bottom of the water storage tank, a water spraying pipe communicated with the water pump, and a water spraying assembly communicated with the water spraying pipe, wherein the top end of the water storage tank is fixedly connected with a base. Through the afforestation basin of design, the extension body, magnet I, magnet II, switch I, make the earth moisture in the afforestation basin lead to when afforestation basin weight reduces because evaporation and vegetation absorb, the afforestation basin can lift gradually, make the final adsorption magnet II of magnet I, make switch I move down the first circuit of opening the water pump, accomplish the irrigation of afforestation, simultaneously when the moisture in the afforestation basin constantly increases under the watering, the afforestation basin moves down gradually, make magnet I pass through magnet II and drive switch I and constantly move down, thereby keep opening of the first circuit of water pump, avoid watering incomplete problem.

Description

Self-interacting highway afforestation irrigation equipment

Technical Field

The invention relates to the technical field of environmental protection, in particular to a self-adjusting highway greening irrigation device.

Background

Can set up the greenbelt with the centre in the both sides of highway mostly, can not only improve the environmental aspect along the highway line, also can beautify the road appearance, stabilize the road bed, reduce the driving noise, bring good psychology effect for the pedestrian, current greenbelt all need adopt the water carriage to carry out periodic irrigation along the way, avoid vegetation moisture disappearance and the death that leads to, also wash in order to absorbent dust on the vegetation simultaneously, avoid the effect decline of vegetation absorption dust, but the length of greenbelt is very long, use the water carriage to water the greenbelt and need use a large amount of water resources, and water the time of once also very long.

In order to solve the problems, automatic road irrigation devices are installed in partial cities at present, and the automatic road irrigation devices are mainly used for irrigating green belts regularly by arranging mobile phone rainwater in a water storage tank at the bottom of the green belts and setting the regular opening and closing of the automatic road irrigation devices through a computer program, but the method still has defects.

Because the variability of weather, the collection of rainwater can not satisfy irrigation equipment's regular irrigation demand, and this will lead to the vegetation to appear the problem of lack of water easily, and regular irrigation equipment that opens and close will make irrigation equipment still automatic open the irrigation when rainy day for the watering of rainwater not only will be accepted to the greenbelt, will receive irrigation equipment's irrigation again, leads to the vegetation problem of mashed root to appear easily.

Disclosure of Invention

Aiming at the defects of the conventional road greening irrigation device in the prior art in the using process, the invention provides a self-adjusting road greening irrigation device which has the advantages that a water consumption greening basin is lifted, a magnet I adsorbs a magnet II to start a water pump, the greening basin is gradually moved downwards after being irrigated, a water pump circuit is continuously communicated to ensure that the irrigation is sufficient, a water storage amount is reduced, a floating ball is expanded to ensure that the position of a limit block limit switch II is communicated, and an electric valve circuit is communicated to replenish water, so that the technical problems of low artificial irrigation efficiency, water shortage of vegetation and root rot caused by automatic irrigation in rainy days in the prior art are solved.

The invention provides the following technical scheme: a self-adjusting road greening irrigation device comprises a water storage tank, rainwater inlets positioned on two sides of the water storage tank, a water pump positioned at the bottom of the water storage tank, a water spray pipe communicated with the water pump, and a water spray assembly communicated with the water spray pipe, wherein the top end of the water storage tank is fixedly connected with a base, one end of the base is provided with a movable cavity I, a movable cavity II, a movable cavity III and a movable cavity IV which are communicated, the middle part of the base is provided with a central cavity, the inner wall of the central cavity is provided with a limiting groove, a greening basin is clamped in the limiting groove, the bottom end of the greening basin is fixedly connected with uniformly distributed springs I, the bottom of one end of the greening basin is fixedly connected with an extending body, the top center of the extending body is fixedly sleeved with a magnet I, and one end of the base is fixedly sleeved with a first circuit and a second circuit, the utility model discloses a portable electronic device, including activity chamber II, spring II's bottom fixedly connected with switch seat, the bottom fixedly connected with switch I of switch seat, switch I's bottom center fixedly connected with magnet II, the top center fixedly connected with branch of switch seat, the top fixedly connected with switch II of branch, the one end fixedly connected with spring III of activity chamber III is kept away from to activity chamber IV, spring III's one end fixedly connected with stopper, the fixed oral siphon that has cup jointed of bottom one end of base, the intraductal fixedly connected with motorised valve of oral siphon, the fixed trachea that has cup jointed in one side of base, tracheal bottom fixedly connected with floater, tracheal top both sides fixedly connected with expansion ball.

Preferably, the base is buried in the center of the green belt, the top of the base is higher than the middle of the green plants, a solar assembly is fixedly connected to one side of the top end of the base, a storage battery is fixedly connected to one end of the bottom of the base in a sleeved mode, and the storage battery is electrically connected with the solar assembly.

Preferably, the afforestation basin intussuseption is filled with earth, it has green to plant in the earth, the outside fixedly connected with waterproof gasket of afforestation basin, spring I's bottom and the bottom fixed connection of central cavity.

Preferably, the extension body is L-shaped, the extension body is movably sleeved in the movable cavity I, and the central line of the magnet I is superposed with the central line of the movable cavity II.

Preferably, one end of the first circuit is electrically connected with the storage battery, the other end of the first circuit is electrically connected with the water pump, the first circuit is disconnected from the movable cavity II, the first circuit is in contact with the bottom of one third of the movable cavity II, one end of the second circuit is electrically connected with the first circuit, the other end of the second circuit is electrically connected with the electric valve, the second circuit is disconnected from the movable cavity III, the second circuit is in contact with the top of the movable cavity III, and the second circuit is located above the movable cavity IV.

Preferably, switch I's diameter value is the same with activity chamber II's diameter value size, magnet II and magnet I are in same central line, magnet II is relative with magnet I positive negative pole, branch and switch II all move about cup joint in spring II, switch II's diameter value is the same with activity chamber III's width value size, activity chamber I and activity chamber II's intercommunication department diameter value is half of activity chamber II's diameter value, switch II's diameter value is one third of activity chamber III's length value, activity chamber II and activity chamber III's front end switch-on.

Preferably, the number of the movable cavities IV is two, the movable cavities IV are located at the top of the movable cavity III and are symmetrical to each other, the inclined plane is arranged at the bottom of one end, right facing the movable cavity III, of the limiting block, and the width value of the limiting block is the same as the length value of the movable cavity III.

Preferably, the water inlet pipe is communicated with an underground water pipe network, the bottom end of the air pipe extends to the bottom of the water storage tank, the floating ball is communicated with an air pipe air passage, saturated gas is filled in the floating ball and the air pipe, the top of the air pipe extends to the rear end of the top of the movable cavity III, and the expansion ball is communicated with the air pipe air passage.

The invention has the following beneficial effects:

1. according to the invention, through the designed greening pot, the extending body, the magnet I, the magnet II and the switch I, when the weight of the greening pot is reduced due to evaporation and vegetation absorption of soil moisture in the greening pot, the greening pot can be gradually lifted, the magnet I finally adsorbs the magnet II, the switch I is moved downwards to start the first circuit of the water pump, irrigation for greening is completed, meanwhile, when the moisture in the greening pot is continuously increased under irrigation, the greening pot is gradually moved downwards, the magnet I drives the switch I to be continuously moved downwards through the magnet II, so that the first circuit of the water pump is kept to be started, and the problem of incomplete irrigation is avoided.

2. According to the invention, through the designed spring II, the limiting block, the switch II and the electric valve, the greening pot is enabled to continuously move downwards under irrigation and drive the switch I to synchronously move downwards, the switch I is finally limited by the movable cavity II, the magnet I and the magnet II are forcibly separated, the stretched spring II is enabled to quickly drive the switch I to be lifted upwards, the lifting distance of the switch II is additionally increased to jack the limiting block, and the switch II is blocked by the limiting block in the falling process, so that the second circuit of the electric valve is opened, the water inlet pipe is opened, enough water is introduced into the water storage tank, the water level in the water storage tank is kept in a safe state, and the situation that no water is available in the next irrigation due to no supplement of rainwater after irrigation is avoided.

3. According to the invention, through the designed limiting block, the switch II, the electric valve, the floating ball, the air pipe and the expansion ball, when the water level in the water storage tank is continuously lowered, the pressure on the floating ball is reduced, so that the limiting block extrudes the expansion ball to extend out of the movable cavity IV, the limiting block can limit the falling of the switch II after the switch II is additionally lifted to jack the limiting block after irrigation, the opening of the second circuit is ensured, the water level in the water storage tank is kept in a safe state, meanwhile, after the water level is lifted, the pressure on the floating ball is increased, so that the internal gas is introduced into the expansion ball to jack the limiting block, the switch II is not limited to fall, and the problem that the next extension body is lifted to be incapable of adsorbing the switch I to open the first circuit is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the present invention in a state of water-spraying irrigation;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the state of the magnet I and the magnet II about to be forcibly separated according to the present invention;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5 at C;

FIG. 7 is a diagram illustrating a second circuit according to the present invention;

fig. 8 is an enlarged view of a portion of the structure shown at D in fig. 7 according to the present invention.

In the figure: 1. a water storage tank; 2. a rainwater inlet; 3. a water pump; 4. a water spray pipe; 5. a water spray assembly; 6. a base; 601. an active cavity I; 602. a movable cavity II; 603. a movable cavity III; 604. a movable cavity IV; 7. a solar module; 701. a storage battery; 8. a central lumen; 801. a limiting groove; 9. greening pots; 901. a waterproof gasket; 10. a spring I; 11. an extension body; 111. a magnet I; 12. a first circuit; 13. a second circuit; 14. a spring II; 15. a switch base; 151. a strut; 16. a switch I; 17. a magnet II; 18. a switch II; 19. a spring III; 20. a limiting block; 21. a water inlet pipe; 22. an electrically operated valve; 23. a floating ball; 24. an air tube; 241. the ball is expanded.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-8, a self-adjusting road greening irrigation device comprises a water storage tank 1, rainwater inlets at two sides of the water storage tank 1, a water pump 3 at the bottom of the water storage tank 1, a water spray pipe 4 communicated with the water pump 3, and a water spray assembly 5 communicated with the water spray pipe 4, wherein the top end of the water storage tank 1 is fixedly connected with a base 6, the base 6 is buried in the center of a green belt, so that the water spray assembly 5 can carry out omnibearing irrigation on surrounding greening plants when spraying water, the top of the base 6 is higher than the middle part of the greening plants, so that a greening basin 9 can be directly irradiated by sunlight, green plants in the greening basin 9 can timely sense the change of the surrounding environment to carry out evaporation, water absorption and transpiration effects, thereby make afforestation basin 9 in time lift, guarantee the intensity of irrigating, the plant of avoiding the greenbelt shelters from afforestation basin 9, the moisture that leads to in the afforestation basin 9 can't consume with the moisture in the greenbelt earth is synchronous, lead to irrigating untimely problem, movable chamber I601 of intercommunication is seted up to the one end of base 6, activity chamber II602, activity chamber III603, activity chamber IV604, top one side fixedly connected with solar energy component 7 of base 6, the fixed cover of bottom one end of base 6 has cup jointed battery 701, battery 701 and 7 electric connection of solar energy component, central cavity 8 has been seted up at the middle part of base 6, spacing groove 801 has been seted up to the inner wall of central cavity 8, the joint has afforestation basin 9 in the spacing groove 801.

Referring to fig. 1-8, soil is filled in the greening basin 9, green plants are planted in the soil, the overall mass of the greening basin 9 can change in size under the action of evaporation, green plant absorption, transpiration and the like, a waterproof gasket 901 is fixedly connected to the outer side of the greening basin 9, uniformly distributed springs I10 are fixedly connected to the bottom end of the greening basin 9, the bottom end of the springs I10 is fixedly connected to the bottom end of the central cavity 8, when the mass of the greening basin 9 changes, the springs I10 can drive the greening basin 9 to move up and down, so that the extending body 11 moves up and down, opening and closing of the first circuit 12 and the second circuit 13 are completed, an extending body 11 is fixedly connected to the bottom end of the greening basin 9, the extending body 11 is L-shaped, a magnet I111 is fixedly sleeved in the top center of the extending body 11, the extending body 11 is movably sleeved in the movable cavity I601, the center line of the magnet I111 coincides with the center line of the movable cavity II602, in the process that the mass of the greening basin 9 gradually decreases and rises, the extending body 11 can be inserted into the movable cavity II602 and finally approaches to attract the magnet II17 to connect the first circuit 16 to start the irrigation pump.

Referring to fig. 1-8, a first circuit 12 and a second circuit 13 are fixedly sleeved at one end of the base 6, one end of the first circuit 12 is electrically connected to the storage battery 701, and the other end of the first circuit is electrically connected to the water pump 3, the first circuit 12 is disconnected from the movable cavity II602, and the first circuit 12 is in contact with the bottom of one third of the movable cavity II602, so that when the magnet I111 drives the switch I16 to move downwards through the magnet II17, the first circuit 12 is always kept in an open state, so that the surrounding green plants are sufficiently irrigated, one end of the second circuit 13 is electrically connected to the first circuit 12, and the other end of the second circuit is electrically connected to the electric valve 22, the second circuit 13 is disconnected from the movable cavity III603, and the second circuit 13 is in contact with the top of the movable cavity III603, the second circuit 13 is located above the movable cavity IV604, so that when the magnet I111 and the magnet II17 are forcibly separated, the spring II14 drives the switch I16 to quickly lift up and disconnect the first circuit 12, so that the distance of the switch II18 is increased, and the switch II18 is pushed back to the second circuit 20, and the limit block 20 is limited, so that the limit block 13 is limited.

Referring to fig. 1-8, the top end of the movable cavity II602 is fixedly connected with a spring II14, the bottom end of the spring II14 is fixedly connected with a switch base 15, the bottom end of the switch base 15 is fixedly connected with a switch I16, the diameter value of the switch I16 is the same as the diameter value of the movable cavity II602, the bottom center of the switch I16 is fixedly connected with a magnet II17, the magnet II17 and the magnet I111 are on the same central line, the positive and negative poles of the magnet II17 and the magnet I111 are opposite, the top center of the switch base 15 is fixedly connected with a supporting rod 151, the top end of the supporting rod 151 is fixedly connected with a switch II18, the supporting rod 151 and the switch II18 are movably sleeved in the spring II14, the diameter value of the switch II18 is the same as the width value of the movable cavity III603, the diameter value of the connecting portion between the movable cavity I601 and the movable cavity II602 is half of the diameter value of the movable cavity II602, so that when the mass of the greening basin 9 is continuously increased and moved down under irrigation, the extending body 11 can synchronously move down, the magnet I111 enables the magnet II17 to drive the switch I16 to synchronously move downwards, so that the first circuit 12 is kept connected, the switch I16 can be limited by the movable cavity II602 when moving to the bottom of the movable cavity II602, the magnet I111 and the magnet II17 are forcibly separated, the spring II14 drives the switch I16 to quickly lift upwards to disconnect the first circuit 12, the lifting distance of the switch II18 is increased, the switch II18 pushes the limit block 20 open, the limit block 20 limits when falling back, the second circuit 13 is connected, the electric valve 22 is opened, water is filled into the water storage tank 1, the diameter value of the switch II18 is one third of the length value of the movable cavity III603, the movable cavity II602 is connected with the front end of the movable cavity III603, and the air pipe 24 and the expansion ball 241 at the rear end of the movable cavity III603 cannot be contacted when the switch II18 pushes the limit block 20 open, and the situation that the switch II18 cannot normally lift upwards is avoided.

Referring to fig. 1-8, the number of the movable cavities IV604 is two, the two movable cavities IV604 are located at the top of the movable cavity III603 and are symmetrical to each other, one end of the movable cavity IV604, which is far away from the movable cavity III603, is fixedly connected with a spring III19, one end of the spring III19 is fixedly connected with a limiting block 20, the limiting block 20 is provided with an inclined surface facing the bottom of one end of the movable cavity III603, so that the switch II18 can push the limiting block 20 away through the inclined surface when lifted, the switch II18 can be limited by the top end of the limiting block 20 when fallen back, and the second circuit 13 is opened, the width value of the limiting block 20 is the same as the length value of the movable cavity III603, the rear end of the limiting block 20 can be influenced by the expansion ball 241 to complete the position movement of the limiting block 20, and avoid the collision with the displacement of the switch II 18.

Referring to fig. 1-8, a water inlet pipe 21 is fixedly sleeved at one end of the bottom of the base 6, the water inlet pipe 21 is communicated with an underground water pipe network, an electric valve 22 is fixedly connected in the water inlet pipe 21, an air pipe 24 is fixedly sleeved at one side of the base 6, the bottom end of the air pipe 24 extends to the bottom of the water storage tank 1, a floating ball 23 is fixedly connected at the bottom end of the air pipe 24, the floating ball 23 is in air passage communication with the air pipe 24, saturated gas is filled in the floating ball 23 and the air pipe 24, the top of the air pipe 24 extends to the rear end of the top of the movable cavity III603, expansion balls 241 are fixedly connected at two sides of the top of the air pipe 24, the expansion balls 241 are in air passage communication with the air pipe 24, after the water level in the water storage tank 1 drops, the pressure applied to the floating ball 23 is reduced, the expansion balls 241 are reduced, the pressure applied to the limiting block 20 is reduced, the limiting block 20 is gradually ejected out of the movable cavity IV604, the limiting block 20 and the switch II18 cooperate to open the second electric valve 13, the electric valve 22 is opened, the water level in the water storage tank 1 is increased to a safe state, the floating ball 23 is reduced, the expansion ball 241 is retracted to the movable cavity IV604, the second switch II 2, the first switch II is retracted to prevent the first magnet 16 from moving up and the first magnet 16, and the second magnet 16 is lifted up and the second magnet 16.

The use method (working principle) of the invention is as follows:

firstly, the solar energy component 7 converts solar energy into electric energy to be stored in the storage battery 701, at the moment, starting water is introduced into the water storage tank 1 through the rainwater inlet manually, rainwater passes through the filtering component and then enters the water storage tank 1 from the rainwater inlet 2, the water storage tank 1 is filled, then, when the mass of soil with plants in the greening basin 9 gradually becomes lighter under the actions of evaporation, greening water absorption, transpiration and the like, the greening basin 9 is gradually lifted up, the extension body 11 is gradually lifted up, when the magnet I111 is close to the magnet II17, the magnet II17 is adsorbed by the magnet I111, the magnet II17 drives the switch I16 to move downwards, the switch I16 is connected with the first circuit 12, the water pump 3 is started, the water spraying component 5 sprays water to the surrounding greening belt and the greening basin 9 for irrigation, at the moment, the water level in the water storage tank 1 gradually descends, the floating ball 23 continuously rises, the expansion ball 241 is continuously reduced, and the spring III19 pushes the limiting block 20 to move towards the center direction of the movable cavity III 603;

then, when the water content in the greening basin 9 gradually increases, the total mass of the greening basin 9 is continuously increased, the greening basin 9 gradually moves downwards, the extension body 11 synchronously moves downwards, the magnet I111 drives the switch I16 to continuously move downwards through the magnet II17, the first circuit 12 is powered on, the switch I16 is blocked by the movable chamber II602 when reaching the bottom end of the movable chamber II602, at this time, the total mass of the greening basin 9 is continuously increased, the magnet I111 is forcibly separated from the magnet II17, the spring II14 drives the switch I16 to quickly lift upwards, the switch II18 enters the movable chamber III603, at this time, if the water level in the water storage tank 1 is healthy, the limit block 20 is not ejected from the movable chamber IV604, the position of the switch II18 cannot be limited, when the water level in the water storage tank 1 is too low, the limit block 20 is ejected from the movable chamber IV604, the switch II18 is ejected upwards to open the limit block 20, at this time, the limit block 20 is ejected again quickly, the switch II18 which is returned to stop falling, the switch II18 is connected with the second circuit 13, and the water pipe 22 is opened, so that the underground water pipe 21 enters the water storage tank 1;

finally, when the water level in the water storage tank 1 is gradually raised to the safe water level, the floating ball 23 is continuously compressed, so that the expansion ball 241 is expanded, the limiting block 20 is retracted into the movable cavity IV604, the limiting block 20 is not limited to fall back to the initial position, and when the water content in the greening basin 9 is reduced again, the irrigation device can automatically irrigate by repeating the steps.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-interacting highway afforestation irrigation equipment, includes storage water tank (1), is located the rainwater entry of storage water tank (1) both sides, is located water pump (3) of storage water tank (1) bottom, spray pipe (4) with water pump (3) switch-on, water spray subassembly (5) with spray pipe (4) switch-on, its characterized in that: the top end of the water storage tank (1) is fixedly connected with a base (6), one end of the base (6) is provided with a communicated movable cavity I (601), a movable cavity II (602), a movable cavity III (603) and a movable cavity IV (604), the middle part of the base (6) is provided with a central cavity (8), the inner wall of the central cavity (8) is provided with a limit groove (801), a greening basin (9) is clamped in the limit groove (801), the bottom end of the greening basin (9) is fixedly connected with an evenly distributed spring I (10), the bottom end of one end of the greening basin (9) is fixedly connected with an extension body (11), the top center of the extension body (11) is fixedly sleeved with a magnet I (111), the extension body (11) is L-shaped, the extension body (11) is movably sleeved in the movable cavity I (601), the central line of the magnet I (111) is superposed with the central line of the movable cavity II (602), one end of the base (6) is fixedly sleeved with a first circuit (12) and a second circuit (13), the first circuit (12) is in contact with a movable cavity II (602), and the bottom end of the first movable cavity II (602) is connected with a spring II (14), the spring II (602), and the bottom end of the first circuit (14) is fixedly connected with a third circuit (13), the bottom end of the switch seat (15) is fixedly connected with a switch I (16), the bottom end center of the switch I (16) is fixedly connected with a magnet II (17), the diameter value of the switch I (16) is the same as that of the movable cavity II (602), the magnet II (17) and the magnet I (111) are positioned on the same central line, the positive and negative poles of the magnet II (17) and the magnet I (111) are opposite, the top end center of the switch seat (15) is fixedly connected with a support rod (151), the top end of the support rod (151) is fixedly connected with a switch II (18), the support rod (151) and the switch II (18) are movably sleeved in a spring II (14), the diameter value of the switch II (18) is the same as that of the movable cavity III (603), the value of the communication position of the movable cavity I (601) and the movable cavity II (602) is half of the diameter value of the movable cavity II (602), the diameter value of the switch II (18) is one third of the length value of the movable cavity III (603), the movable cavity II (602 is connected with a fixed spring II (603), and the number of the spring II (603) is two spring IV (604, the movable cavity III) is connected with a limiting block (603), and the front end of the spring II (603), the two movable cavities IV (604) are positioned at the top of the movable cavity III (603) and are symmetrical to each other, an inclined plane is arranged at the bottom of one end, opposite to the movable cavity III (603), of the limiting block (20), the width of the limiting block (20) is the same as the length of the movable cavity III (603), a water inlet pipe (21) is fixedly sleeved at one end of the bottom of the base (6), an electric valve (22) is fixedly connected in the water inlet pipe (21), one end of a second circuit (13) is electrically connected with a first circuit (12), the other end of the second circuit is electrically connected with the electric valve (22), the second circuit (13) is disconnected from the movable cavity III (603), the second circuit (13) is in contact with the top of the movable cavity III (603), the second circuit (13) is positioned above the movable cavity IV (604), an air pipe (24) is fixedly sleeved at one side of the base (6), a floating ball (23) is fixedly connected to the bottom end of the air pipe (24), expansion balls (241) are fixedly connected to two sides of the top of the air pipe (24), the water inlet pipe (21) is communicated with the air pipe (21), the air pipe (24), the air pipe (23) and the water storage tank (23) are communicated with the air pipe (23), and the floating ball (23) are communicated with the water storage tank (23), the top of the air pipe (24) extends to the rear end of the top of the movable cavity III (603), and the expansion ball (241) is communicated with the air passage of the air pipe (24).

2. A self-regulating road greening irrigation device as claimed in claim 1, wherein: base (6) bury underground in the center of greenbelt, the top of base (6) is higher than the middle part of greenery plant, top one side fixedly connected with solar energy component (7) of base (6), the fixed cover of bottom one end of base (6) has connect battery (701), battery (701) and solar energy component (7) electric connection, the one end and battery (701) electric connection of first circuit (12), and the other end and water pump (3) electric connection.

3. A self-regulating irrigation device for highway greening according to claim 1, further comprising: soil is filled in the greening basin (9), green plants are planted in the soil, a waterproof gasket (901) is fixedly connected to the outer side of the greening basin (9), and the bottom end of the spring I (10) is fixedly connected with the bottom end of the central cavity (8).