CN112997859B - Quantitative irrigation device for trees - Google Patents

Abstract

The invention discloses a quantitative irrigation device for trees, which comprises a flat car, a water tank, an irrigation nozzle, a pipeline system and a tree diameter quantitative mechanism, wherein the tree diameter quantitative mechanism comprises a component frame, measuring arms which are symmetrically arranged on the component frame in a sliding way and extend outwards, guide structures which are symmetrically arranged on the extending ends of a pair of measuring arms, a measuring hydraulic cylinder fixed on one measuring arm, a quantitative box and a quantitative hydraulic cylinder arranged on the quantitative box, the extending end of a piston rod of the measuring hydraulic cylinder is fixed on the other measuring arm, a sliding partition plate is connected in the quantitative box in a sliding way, and the extending end of a piston rod of the quantitative hydraulic cylinder extends into the quantitative box and is fixed on the sliding partition plate. In the scheme, the water absorption capacity of the quantitative cavity and the tree diameter accord with a linear transformation relation, so that the effect of determining the final watering quantity according to the tree diameter is realized, and the technical problem in the prior art is solved.

Description

A quantitative irrigation device for trees

technical field

The invention belongs to the technical field of irrigation and relates to a quantitative irrigation device for trees.

Background technique

Trees planted in garden landscapes often have different growth times and sizes. When the weather is relatively dry, the trees need to be watered. The water absorption capacity of its roots is different at different times. Usually, trees with larger tree diameters have greater demand for water. Therefore, if the amount of irrigation water can be adjusted according to this point during the watering process, it can effectively ensure the survival of the trees. , and avoid wasting excess water.

In the prior art, there is a circle of soil ridges around newly transplanted trees, and the soil ridges are used for water storage. In traditional watering, workers use buckets to carry water or pump water, and put the water into the soil ridges. The size of the cofferdam is generally adapted according to the diameter of the tree. A cofferdam with a diameter slightly larger than the diameter of the tree is used to achieve the effect of adjusting the watering amount according to the diameter of the tree while maintaining a certain watering depth. However, the existing technology mainly relies on human observation for the control of watering depth, and cannot automatically adjust the final watering amount according to the tree diameter, so the reliability is insufficient and human error is prone to occur.

Contents of the invention

The object of the present invention is to provide a quantitative irrigation device for trees to solve the technical problem that the prior art lacks a device that can automatically adjust the final watering amount according to the diameter of the tree.

The described quantitative irrigation device for trees includes a flatbed car, a water tank, an irrigation nozzle and a pipeline system, and also includes a tree diameter quantitative mechanism, which includes a tree diameter measurement component and a hydraulic transmission mechanism. The tree diameter measuring assembly includes an assembly frame, a measuring arm that is symmetrically slidably arranged on the assembly frame and protrudes outward, and a guide structure that is symmetrically arranged on the extended ends of a pair of the measuring arms, and the guide structure is used for Guide the trees to enter the gap between the measuring arms and open the measuring arms outwards, the hydraulic transmission mechanism includes a measuring hydraulic cylinder fixed on a measuring arm, a quantitative box and a quantitative box arranged on the quantitative box. Hydraulic cylinder, the piston rod extension end of the measuring hydraulic cylinder is fixed on another measuring arm, a sliding partition is slidably connected in the quantitative box, and the sliding diaphragm is sealed with the quantitative box, so The piston rod extension end of the quantitative hydraulic cylinder extends into the quantitative box and is fixed on the sliding partition. The space in the quantitative box on the side where the sliding partition is not connected to the piston rod is a quantitative chamber. The pipeline system includes a first pipeline and a second pipeline, the first pipeline communicates with the water tank, the quantitative cavity and the irrigation sprinkler in sequence, and the second pipeline communicates with the non-conductor of the quantitative hydraulic cylinder. rod cavity and the rodless cavity of the measuring hydraulic cylinder.

Preferably, the tree diameter measuring assembly further includes a return compression spring, one return compression spring is respectively connected to the left and right sides of the component frame, and the other end of the return compression spring is connected to the corresponding measuring arm.

Preferably, the guide structure is an inclined plate, and a pair of inclined plates extend outwards to form an outwardly flared inclined plane opening, and the tree enters the gap between the measuring arms through the inclined plane opening.

Preferably, the pipeline connected between the water tank and the quantitative chamber is provided with a one-way valve.

Preferably, it also includes a three-way regulating valve, the three-way regulating valve is provided with a water inlet connected to the quantitative tank, an irrigation water outlet connected to the irrigation nozzle and a recovery water outlet connected to the water tank, The three-way regulating valve adjusts the proportion of the outflow of the irrigation water outlet to the total water in the quantitative cavity according to the season or the change of the tree species.

Preferably, a water pump is provided on the pipeline between the near water port of the three-way regulating valve and the quantitative tank.

Preferably, the flatbed truck is provided with a measuring extension device, the tree diameter measuring assembly is installed on the extension end of the measurement extension device, and the extension end of the extension device extends laterally along the flatbed truck to Equipped with irrigation sprinklers on one side.

Preferably, the flatbed truck is provided with a sprinkler extension device, and the irrigation sprinkler is installed on the extension end of the sprinkler extension device.

Preferably, the included angle between a pair of inclined plates is 120-160 degrees.

Technical effect of the present invention: 1, this scheme utilizes the tree diameter measuring assembly that is squeezed outwards by trees when stretching out, allows the measuring arm to be relatively pressed on both sides of the tree to obtain the size of the tree diameter after being squeezed out, and then utilizes the hydraulic system The resulting volume change is transmitted to the quantitative cavity in the quantitative box, so as to realize the linear transformation relationship between the water absorption of the quantitative cavity and the tree diameter, and realize the effect of determining the final watering amount according to the tree diameter, which solves the existing problem technical technical issues.

2. In this scheme, after the tree diameter measuring component is retracted by the measuring extension device, the pressure for watering the tree can be provided by the reset compression spring. On the other hand, if pressurized water spraying is required, the water pump can be used to pressurize to ensure the water spraying effect.

3. This scheme is also equipped with a three-way regulating valve to adjust the actual water spray flow. If the water demand is different due to tree species or seasonal changes, the actual watering can be allocated according to the specific situation on the premise that the water volume in the dosing chamber is the maximum. The amount of water and the amount of water recycled to the tank.

Description of drawings

Fig. 1 is a top view of a quantitative irrigation device for trees according to the present invention.

FIG. 2 is a partial cross-sectional view of area A in the structure shown in FIG. 1 .

FIG. 3 is a rear view of the structure shown in FIG. 1 .

Fig. 4 is a right view of the structure shown in Fig. 1 .

FIG. 5 is a three-dimensional structural view of the upper structure of the structure shown in FIG. 1 .

Figure 6 is a structural diagram of the piping system shown in Figure 1

The marks in the accompanying drawings are: 1, flatbed truck, 2, water tank, 3, hydraulic transmission mechanism, 31, quantitative hydraulic cylinder, 32, quantitative box, 321, sliding partition, 33, measuring hydraulic cylinder, 4, tree diameter measuring component , 41. Component frame, 42. Measuring arm, 43. Guide structure, 44. Return compression spring, 5. Water pump, 6. Piping system, 61. First pipeline, 611. Check valve, 62. Second pipe Road, 63, branch pipe, 64, three-way control valve, 7, measure extension device, 8, nozzle extension device, 9, irrigation nozzle.

Detailed ways

The specific embodiments of the present invention will be further described in detail by describing the embodiments below with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

As shown in Figures 1-6, the present invention provides a quantitative irrigation device for trees, including a flatbed car 1, a water tank 2, an irrigation nozzle 9 and a pipeline system 6, and is characterized in that: it also includes a tree diameter quantitative mechanism, so The tree diameter quantitative mechanism includes a tree diameter measuring assembly 4 and a hydraulic transmission mechanism 3, and the tree diameter measuring assembly 4 includes an assembly frame 41, a measuring arm 42 that is symmetrically slidably arranged on the assembly frame 41 and protrudes outwards, and a symmetrically arranged A guide structure 43 on the protruding end of a pair of said weighing arms 42, said guiding structure 43 is used to guide said trees into the gap between said measuring arms 42 and open said measuring arms 42 outwards, said The hydraulic transmission mechanism 3 comprises a measuring hydraulic cylinder 33 fixed on a measuring arm 42, a quantitative tank 32 and a quantitative hydraulic cylinder 31 arranged on the quantitative tank 32, and the piston rod extension end of the measuring hydraulic cylinder 33 is fixed on On the other measuring arm 42, a sliding partition 321 is slidably connected in the quantitative box 32, and the sealing between the sliding diaphragm and the quantitative box 32 is sealed, and the piston rod extension end of the quantitative hydraulic cylinder 31 extends The quantitative box 32 is fixed on the sliding partition 321, the space on the side of the sliding partition 321 not connected to the piston rod in the quantitative box 32 is a quantitative cavity, and the piping system 6 includes a first A pipeline 61 and a second pipeline 62, the first pipeline 61 communicates with the water tank 2, the quantitative cavity and the irrigation nozzle 9 in sequence, and the second pipeline 62 communicates with the quantitative hydraulic cylinder 31 The rodless chamber and the rodless chamber of the measuring hydraulic cylinder 33 . The measuring hydraulic cylinder 33 is set horizontally and fixed on the outside of the measuring arm 42 , the quantitative hydraulic cylinder 31 is vertically arranged and one end of the piston rod is vertically fixed on the top of the quantitative box 32 .

The tree diameter measurement assembly 4 also includes a return compression spring 44, and one of the return compression springs 44 is respectively connected to the left and right sides of the component frame 41, and the other end of the return compression spring 44 is connected to the corresponding measuring arm 42 .

The guide structure 43 is an inclined plate, and a pair of inclined plates both extend outwards to form an outwardly flared inclined plane opening, and the tree enters the gap between the measuring arms 42 through the inclined plane opening. The included angle between a pair of inclined plates is 120-160 degrees.

The pipeline connected between the water tank 2 and the quantitative chamber is provided with a one-way valve 611 . The first pipeline 61 also includes a branch pipe 63 connecting the recovery water outlet and the upper part of the water tank 2 .

This solution also includes a three-way regulating valve 64, the three-way regulating valve 64 is provided with a water inlet connected to the quantitative tank 32, an irrigation water outlet connected to the irrigation nozzle 9 and a water outlet connected to the water tank 2. The water outlet is recovered, and the three-way regulating valve 64 adjusts the proportion of the outflow of the irrigation water outlet to the total water in the quantitative cavity according to the season or the change of tree species. A water pump 5 is provided on the pipeline between the near water port of the three-way regulating valve 64 and the quantitative tank 32 .

The flatbed car 1 is provided with a measuring extension device 7, and the tree diameter measuring assembly 4 is installed on the extension end of the measurement extension device 7, and the extension end of the extension device extends laterally along the flatbed car 1. Go out to be provided with irrigation nozzle 9 side.

The flatbed truck 1 is provided with a nozzle extension device 8 , and the irrigation nozzle 9 is installed on the extension end of the nozzle extension device 8 .

The working process of the present invention in use is as follows: at first the quantitative irrigation device is moved to the trees, and the measuring extension device 7 is moved to a position close to the middle of the trees to stretch out toward the trees, and at this moment, the irrigation nozzle 9 is positioned near the trees. After stopping the flatbed truck 1, start the measurement extension device 7 to allow the tree diameter measurement assembly 4 to move towards the trees, and the trees begin to enter the inclined plane opening formed by the inclined plate, so that the measurement arms 42 are relatively opened, and when entering the gap between the measurement arms 42 to measure The distance between the arms 42 is the diameter of the tree.

In the above process, the piston rod of the measuring hydraulic cylinder 33 is pulled out with the opening of the measuring arm 42, and the volume of the rodless chamber of the measuring hydraulic cylinder 33 expands, so that the non-rod cavity of the measuring hydraulic cylinder 33 is sucked into the non-removable fluid of the quantitative hydraulic cylinder 31 through the second pipeline 62. The liquid in the rod cavity, the piston rod of the quantitative hydraulic cylinder 31 also rises accordingly, and the sliding partition 321 in the quantitative tank 32 rises under the drive of the piston rod of the quantitative hydraulic cylinder 31 so as to be sucked into the water tank through the first pipeline 61 2 in liquid. Because the rodless cavity of the weighing hydraulic cylinder 33 and the rodless cavity of the quantitative hydraulic cylinder 31 have the same amount of volume change. The ratio between the volume variation of the rodless cavity of quantitative hydraulic cylinder 31 and the liquid volume sucked by quantitative tank 32 is a fixed value, and the ratio of the cross-sectional area of the rodless cavity of quantitative hydraulic cylinder 31 to the cross-sectional area of quantitative tank 32 Same ratio as above volume. Therefore, combining the above-mentioned ratio with the diameter of the tree and measuring the cross-sectional area of the rodless cavity of the hydraulic cylinder 33 can make the water absorption of the quantitative box 32 vary linearly according to the diameter of the tree.

During actual watering, take back the tree diameter measuring assembly 4 by measuring the stretching device 7, so that the small measuring arm 42 starts to be relatively closed under the action of the reset stage clip 44, and the measuring hydraulic cylinder 33 produces the pressure on the piston in the quantitative hydraulic cylinder 31, thereby being able to The water in the quantitative chamber is sprayed out through the pipeline through the sliding partition 321 to realize watering. If the watering sprinkler head needs more water pressure, then can realize pressurization by water pump 5.

Setting reasonable quantitative hydraulic cylinder 31, measuring hydraulic cylinder 33, and cross-sectional area of quantitative tank 32 can make water absorption close to the maximum value of water demand of various tree species in various seasons. The amount of water required for irrigation. During actual irrigation, the amount of water that is actually watered by the irrigation nozzle 9 is determined by adjusting the three-way regulating valve 64, and the excess water is returned to the water tank 2 through the branch pipe 63, so that the watering can be adjusted according to the size of the tree diameter when watering. It can ensure that the watering amount can be adjusted according to the tree species and seasons, so that the application range of the device is wider.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are made by adopting the inventive concepts and technical solutions of the present invention, or without improvement Directly applying the concept and technical solutions of the present invention to other occasions falls within the protection scope of the present invention.

Claims (5)

1. The utility model provides a quantitative irrigation device for trees, includes flatbed (1), water tank (2), irrigation spray nozzle (9) and pipe-line system (6), its characterized in that: the tree diameter quantitative mechanism comprises a tree diameter measuring component (4) and a hydraulic transmission mechanism (3), the tree diameter measuring component (4) comprises a component frame (41), measuring arms (42) which are symmetrically arranged on the component frame (41) in a sliding mode and extend outwards, and guide structures (43) which are symmetrically arranged on the extending ends of the measuring arms (42), the guide structures (43) are used for guiding the trees to enter a gap between the measuring arms (42) and open the measuring arms (42) outwards, the hydraulic transmission mechanism (3) comprises a measuring hydraulic cylinder (33) fixed on one measuring arm (42), a quantitative box (32) and a quantitative hydraulic cylinder (31) arranged on the quantitative box (32), the extending end of a piston rod of the measuring hydraulic cylinder (33) is fixed on the other measuring arm (42), a sliding partition plate (321) is connected in the quantitative box (32) in a sliding mode, the sliding partition plate (321) is sealed with the quantitative box (32), the piston rod extending end of the quantitative hydraulic cylinder (31) extends into the quantitative box (32) and is fixed on one side of the sliding partition plate (321), and a second sliding partition plate (61) of the quantitative pipeline (6) is connected with a second quantitative pipeline (61), the first pipeline (61) is communicated with the water tank (2), the quantitative cavity and the irrigation spray head (9) in sequence, and the second pipeline (62) is communicated with a rodless cavity of the quantitative hydraulic cylinder (31) and a rodless cavity of the measuring hydraulic cylinder (33);

the tree diameter measuring assembly (4) further comprises a reset compression spring (44), the left side and the right side of the assembly frame (41) are respectively connected with the reset compression spring (44), and the other end of each reset compression spring (44) is connected to a corresponding measuring arm (42);

the tree diameter measuring device is characterized in that a measuring and extending device (7) is arranged on the flat car (1), the tree diameter measuring component (4) is installed at the extending end of the measuring and extending device (7), and the extending end of the extending device transversely extends to the side, provided with the irrigation spray nozzle (9), along the flat car (1);

a one-way valve (611) is arranged on a pipeline connected between the water tank (2) and the quantitative cavity;

the quantitative irrigation device further comprises a three-way regulating valve (64), the three-way regulating valve (64) is provided with a water inlet connected to the quantitative box (32), an irrigation water outlet connected to the irrigation spray head (9) and a recovery water outlet communicated into the water tank (2), and the three-way regulating valve (64) regulates the proportion of the outflow of the irrigation water outlet to the total water quantity in the quantitative cavity according to time-of-day or tree species changes.

2. The apparatus according to claim 1, wherein said apparatus further comprises: the guide structure (43) is a pair of angled plates each extending obliquely outwardly to form an outwardly flared ramp opening from which the tree enters the gap between the weighing arms (42).

3. A dosing irrigation device for trees as claimed in claim 2, further comprising: and a water pump (5) is arranged on a pipeline between a near water port of the three-way regulating valve (64) and the quantitative tank (32).

4. The apparatus according to claim 1, wherein said apparatus further comprises: the flat car (1) is provided with a spray head extending device (8), and the irrigation spray head (9) is arranged at the extending end of the spray head extending device (8).

5. A dosing irrigation device for trees as claimed in claim 2, further comprising: the included angle between the pair of inclined plates is 120-160 degrees.

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