Adjustable sprinkling machine

Abstract

An adjustable sprinkling machine belongs to the technical field of sprinkling machines and comprises a cross rod, a fixed seat is fixedly mounted in the middle of the cross rod, two movable sleeves are bilaterally symmetrically and slidably sleeved on the cross rod, a fixed sleeve is fixedly mounted on each movable sleeve, the bottom end of each fixed sleeve is connected with an advancing assembly, and a mounting seat is fixedly mounted on each movable sleeve. And a connecting pin is mounted on each mounting seat. The distance between the two sets of wheels can be adjusted, the device can flexibly adapt to ridge distances of different crops, the situation that ridges or the crops are damaged by the wheels with the fixed distance is avoided, the sprinkling irrigation requirements of different crops are met, and the irrigation efficiency of the sprinkling irrigation machine is fully exerted; therefore, it is guaranteed that the adjusted sprinkling machine can still keep stable, and the problem that the whole gravity center of the sprinkling machine shifts due to the fact that the wheels move on one side, and consequently equipment is unstable is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sprinkling irrigation machine, concretely relates to an adjustable sprinkling irrigation machine. BACKGROUND

[0002] Sprinkling irrigation machine is the key equipment of agricultural irrigation, which uses water pump, sprinkler and other components to uniformly spray water to farmland after pressurization, meets the needs of different crops and terrain, is high in water saving efficiency compared with traditional flooding irrigation, and can also be attached with fertilization and pesticide spraying functions to help improve crop yield and quality.

[0003] Related technology (announcement number CN208783424U) discloses an agricultural sprinkling irrigation machine, which comprises a first base, four corners of the top of the first base are connected with support columns through bolts, the top of the support column is connected with a first mounting platform through a bolt, a circular clamping groove is formed in the top of the first mounting platform, an installation base is connected in the circular clamping groove through a bolt, and a water delivery pipe is connected to the bottom of the installation base through a clamping sleeve. The utility model moves the first base to a specified position through the moving wheels installed at the bottom of the first base, avoids the traditional manual pile driving type sprinkler head, connects the first base and the second base through a pin, can very quickly move the device, is very simple and convenient, installs a motor on the second mounting platform, the motor drives the rotating shaft to rotate, the outer wall of the rotating shaft is provided with a water pipe roller, the water delivery pipe can be wound after sprinkling irrigation, manual winding is avoided, time and labor are saved, and the working efficiency is improved.

[0004] In the field of agricultural irrigation, the application of sprinkling irrigation machine is closely related to crop planting. Since the planting sites of different crops are different, the planting distances are also different. However, the existing sprinkling irrigation machine is usually equipped with two wheels with fixed distance, and lacks flexible adjustment mechanism, which makes the wheels of the sprinkling irrigation machine easily crush on the ridge when moving between different crops, and even causes damage to the crops. The above problems seriously limit the application scene of the sprinkling irrigation machine, and it is difficult to flexibly adapt to diversified crop sprinkling needs, and cannot fully exert the irrigation efficiency. SUMMARY

[0005] The existing sprinkler in the prior art is usually equipped with two wheels with fixed spacing, lacks flexible adjustment mechanism, which makes the wheels easily crush on the ridge when the sprinkler travels between the ridges of different crops, and even causes damage to the crops, the above problems seriously limit the application scenarios of the sprinkler, and it is difficult to flexibly adapt to diversified crop sprinkling requirements, and the like, the utility model provides a adjustable sprinkler, through moving sleeve, fixed sleeve and the like, the spacing of two groups of wheels can be adjusted, it can flexibly adapt to the spacing of the ridges of different crops, avoids that the fixed spacing wheels cause damage to the ridges or crops, meets the sprinkling requirements of different crops, and fully plays the irrigation efficiency of the sprinkler.

[0006] An adjustable sprinkler, comprising a cross bar, a fixed seat is fixedly installed in the middle of the cross bar, two moving sleeves are symmetrically and slidably sleeved on the cross bar, a fixed sleeve is fixedly installed on each moving sleeve, a traveling assembly is connected to the bottom end of each fixed sleeve, an installation seat is fixedly installed on each moving sleeve, a connecting pin is installed on each installation seat, one end of a driving rod is rotatably connected to the connecting pin, a moving seat is connected to the other end of the driving rod, a lead screw is rotatably connected to the front side wall of the fixed seat, and the lead screw penetrates through the outer wall of the moving seat, and the lead screw is threadedly connected with the moving seat.

[0007] In the above technical solution, a guide assembly is arranged below the moving seat.

[0008] The guide assembly comprises a guide rod which is vertically and fixedly installed on the front side wall of the fixed seat, the guide rod is arranged in parallel with the lead screw, a moving block is slidably sleeved on the outer wall of the guide rod, and the moving block is fixedly connected with the lower surface of the moving seat.

[0009] In the above technical solution, the traveling assembly comprises a connecting block which is fixedly installed below the fixed sleeve, a first supporting rod is obliquely installed at the bottom end of the connecting block, one end of a rotating shaft is rotatably connected to the bottom end side wall of the first supporting rod, and a wheel is installed at the other end of the rotating shaft.

[0010] In the above technical solution, a supporting assembly is arranged on the front side of the fixed seat.

[0011] The supporting assembly comprises an extension arm which is fixedly and vertically installed on the front side wall of the fixed seat, a second supporting rod is obliquely installed at the front end of the extension arm, a handle is installed on the side wall of the second supporting rod, and a weight is installed at the bottom end of the second supporting rod.

[0012] The weight and the bottom end face of the wheel are on the same horizontal line.

[0013] In the technical scheme, the rear side wall of the fixing seat is fixedly provided with a mounting arm, the top end of the mounting arm is fixedly provided with a seat body, the seat body is rotationally provided with a first rotating rod, the first rotating rod is fixedly provided with a connecting seat, the connecting seat is fixedly provided with a positioning seat, and the positioning seat is provided with a U-shaped inner cavity.

[0014] In the technical scheme, the side wall of the positioning seat is rotationally provided with a second rotating rod, one end of the second rotating rod extends out of the side wall of the positioning seat and is provided with a coil spring, one end of the coil spring is fixedly connected with the side wall of the positioning seat, the other end of the coil spring is connected with the second rotating rod, and the second rotating rod is fixedly provided with a top plate.

[0015] In the technical scheme, one end of the first rotating rod extends out of the side wall of the positioning seat and is provided with a rotating wheel, a plurality of positioning grooves are equidistantly formed in the circumferential direction of the side wall of the rotating wheel, and the rotating wheel is provided with a locking assembly.

[0016] In the technical scheme, the locking assembly comprises a positioning rod slidingly embedded in the inner cavity of one of the positioning grooves, one end of the positioning rod is provided with an elastic element, and the other end of the elastic element is fixedly connected with the side wall of the positioning seat.

[0017] Compared with the prior art, the adjustable sprinkler has the beneficial effects that:

[0018] I. For the existing sprinkler usually equipped with two wheels with fixed spacing, lacking flexible adjustment mechanism, which makes the sprinkler easily crush on the ridge when walking between different crops, even causes damage to crops, and it is difficult to adapt to diversified crop sprinkling demand, and cannot fully play its irrigation efficiency. The movable sleeve, fixed sleeve and other components can adjust the spacing of the two groups of wheels, which can flexibly adapt to the spacing of the ridge of different crops, avoid damage to the ridge or crops caused by fixed spacing wheels, meet the different crop sprinkling demand, and fully play the irrigation efficiency of the sprinkler.

[0019] II. In the utility model, through the cooperation of the lead screw, the moving seat and the driving rod, the left and right two fixed sleeves can be symmetrically adjusted relative to the middle part of the horizontal rod, that is, the two groups of fixed sleeves and the two groups of wheels after the adjustment spacing can still be symmetrically arranged relative to the horizontal rod, so that the adjusted sprinkler can still remain stable, and the problem of instability of the equipment caused by the deviation of the overall center of gravity of the sprinkler due to the unilateral movement of the wheels is avoided.

[0020] Three, the existing market of the sprinkler for the pipe positioning of the sprinkling irrigation, the angle of the sprinkling irrigation is fixed, the far and near stroke of the sprinkling irrigation of the sprinkler is fixed and cannot be adjusted, the effect and range of the crop sprinkling irrigation are limited, based on the problem, the utility model discloses a seat body, first rotation rod, positioning groove, positioning rod and other components are arranged, the angle of the sprinkling irrigation pipe positioned in the positioning seat can be adjusted, the output end of the sprinkling irrigation pipe is adjusted, the range requirement of different crops sprinkling irrigation can be met, and the sprinkling irrigation effect is better;

[0021] Four, the utility model discloses a positioning rod and elastic element and other components, the first rotation rod after adjustment can be quickly locked and positioned, the positioning seat after angle adjustment is in a stable state, and the sprinkling irrigation pipe positioned in the positioning seat is prevented from tilting in the subsequent sprinkling process.

[0022] Five, the utility model discloses a top plate, second rotation rod, coil spring are set up, the output end port of the sprinkling irrigation pipe placed in the positioning seat can be positioned quickly, compared with bolt positioning, it is more convenient and faster, and the positioning efficiency is higher.

[0023] In summary, the utility model can adjust the distance between the two groups of wheels, which can flexibly adapt to the distance between the ridges of different crops, avoid damage to the ridges or crops caused by the fixed distance of the wheels, meet the different crop sprinkling requirements, fully exert the irrigation efficiency of the sprinkler, and the two groups of fixed sleeves and the two groups of wheels after adjusting the distance can still be arranged left and right symmetrically relative to the cross bar, so that the adjusted sprinkler can still remain stable, the problem that the overall gravity center of the sprinkler is deviated and the equipment is unstable caused by the one-side moving wheel is avoided, in addition, the angle of the sprinkling irrigation pipe positioned in the positioning seat can be adjusted, the output end of the sprinkling irrigation pipe is adjusted, the range requirement of different crops sprinkling irrigation can be met, and the sprinkling irrigation effect is better. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the structure schematic view of the cross bar of the utility model;

[0025] Figure 2 It is the A enlarged view of Figure 1

[0026] Figure 3 It is the B enlarged view of Figure 1

[0027] Figure 4 It is the structure schematic view of the mounting arm of the utility model;

[0028] Figure 5 It is the C enlarged view of Figure 4

[0029] Figures 1 to 5 ​​​In, 1, cross rod, 2, fixed seat, 3, moving sleeve, 4, fixed sleeve, 5, connecting block, 6, first support rod, 7, rotating shaft, 8, wheel, 9, mounting seat, 10, connecting pin, 11, drive rod, 12, lead screw, 13, moving seat, 14, guide rod, 15, moving block, 16, extension arm, 17, second support rod, 18, handle, 19, weight, 20, mounting arm, 21, seat body, 22, first rotating rod, 23, connecting seat, 24, positioning seat, 25, second rotating rod, 26, coil spring, 27, top plate, 28, rotating wheel, 29, positioning groove, 30, positioning rod, 31, elastic member. DETAILED DESCRIPTION

[0030] The specific embodiments and drawings will be described below. Figures 1 to 5 The utility model is further described, but the utility model is not limited to these embodiments.

[0031] Referring to Figures 1 to 5 As shown in the figure, an adjustable sprinkling irrigation machine comprises a cross rod 1, a fixed seat 2 is fixedly installed in the middle of the cross rod 1, two moving sleeves 3 are symmetrically and slidably sleeved on the cross rod 1, a fixed sleeve 4 is fixedly installed on each moving sleeve 3, a travelling assembly is connected to the bottom end of each fixed sleeve 4, a mounting seat 9 is fixedly installed on each moving sleeve 3, a connecting pin 10 is installed on each mounting seat 9, one end of a drive rod 11 is rotatably connected to the connecting pin 10 through a bearing, the other end of the drive rod 11 is connected to a moving seat 13, a lead screw 12 is rotatably connected to the front side wall of the fixed seat 2, and the lead screw 12 penetrates through the outer wall of the moving seat 13, and the lead screw 12 is threadedly connected with the moving seat 13;

[0032] The drive lead screw 12 is driven to rotate to promote the moving seat 13 to move in the front and back directions, the moving of the moving seat 13 drives one end of the two drive rods 11 to move together, so as to promote the other end of the two drive rods 11 to drive the connecting pins 10, the mounting seats 9 and the moving sleeves 3 at the corresponding positions to move synchronously, and the moving sleeves 3 move in the horizontal direction along the cross rod 1, that is, the fixed sleeves 4 and the travelling assemblies at the bottom ends move synchronously in the horizontal direction.

[0033] Specifically, mainly Figures 1 to 2As shown, the traveling assembly comprises a connecting block 5 fixedly installed below the fixed sleeve 4, the bottom end of the connecting block 5 is obliquely provided with a first supporting rod 6, one end of the first supporting rod 6 is rotationally connected with a side wall of the bottom end of a rotating shaft 7, the other end of the rotating shaft 7 is provided with a wheel 8, through the movement of the fixed sleeve 4, the connecting block 5, the first supporting rod 6, the rotating shaft 7 and the wheel 8 are synchronously moved in the horizontal direction, that is, the left and right two groups of wheels 8 are symmetrically adjusted in the distance relative to the horizontal rod 1, which can flexibly adapt to the distance between the ridges of different crops, avoid the damage to the ridges or crops caused by the fixed distance wheels, meet the needs of different crops for sprinkling irrigation, fully exert the irrigation efficiency of the sprinkling irrigation machine, and ensure that the two groups of fixed sleeves 4 and the two groups of wheels 8 after the adjustment distance are still symmetrically arranged relative to the horizontal rod 1, so that the adjusted sprinkling irrigation machine can still remain stable, and the problem of instability of the equipment caused by the overall gravity center deviation of the wheels 8 moving on one side is avoided.

[0034] In addition, a moving seat 13 is arranged below the moving seat 13; the guiding assembly comprises a guide rod 14 which is vertically and fixedly arranged on the front side wall of the fixed seat 2, the guide rod 14 is arranged in parallel with the lead screw 12, the moving block 15 is slidably arranged on the outer wall of the guide rod 14, the moving block 15 is fixedly connected with the lower surface of the moving seat 13, when the moving seat 13 moves, the moving block 15 can be moved along the guide rod 14, under the guidance of the guide rod 14, the displacement of the moving block 15 and the moving seat 13 is kept in the front and back directions.

[0035] Referring mainly to Figures 1 to 5 As shown, the front side of the fixed seat 2 is provided with a supporting assembly; the supporting assembly comprises an extension arm 16 which is fixedly and vertically arranged on the front side wall of the fixed seat 2, the front end of the extension arm 16 is obliquely provided with a second supporting rod 17, the side wall of the second supporting rod 17 is provided with a handle 18, and the bottom end of the second supporting rod 17 is provided with a heavy block 19; the bottom end of the heavy block 19 is on the same horizontal line as the bottom end of the wheel 8; through the supporting assembly, the two groups of wheels 8 can realize the stable setting of the overall equipment, so that the equipment can remain in a stable state during the sprinkling irrigation operation.

[0036] Referring mainly to Figure 3 As shown, the rear side wall of the fixed seat 2 is fixedly provided with a mounting arm 20, the top end of the mounting arm 20 is fixedly provided with a seat body 21, the seat body 21 is rotationally arranged with a first rotating rod 22, the first rotating rod 22 is fixedly provided with a connecting seat 23, the connecting seat 23 is fixedly provided with a positioning seat 24, the positioning seat 24 is provided with a U-shaped inner cavity, and the sprinkling irrigation pipeline can be effectively and stably positioned in the inner cavity of the positioning seat 24.

[0037] Referring mainly to Figure 4 and Figure 5As shown, the side wall of the positioning seat 24 is rotationally mounted with a second rotating rod 25, one end of the second rotating rod 25 extends out of the side wall of the positioning seat 24 and is mounted with a coil spring 26, one end of the coil spring 26 is fixedly connected with the side wall of the positioning seat 24, the other end of the coil spring 26 is connected with the second rotating rod 25, and a top plate 27 is fixedly installed on the second rotating rod 25; the end of the top plate 27 is pressed outward to make the top plate 27 rotate upward and be separated from the inner cavity of the positioning seat 24, at this time, the rotating top plate 27 drives the second rotating rod 25 to rotate synchronously, and the coil spring 26 is forced to be elastically deformed, the output end of the sprinkling irrigation pipeline is placed in the inner cavity of the positioning seat 24, the external force on the top plate 27 is removed, the second rotating rod 25 is rotated to the initial state under the elastic force of the coil spring 26, that is, the top plate 27 is restored to the horizontal state, and the positioning seat 24 forms a closed space to position the sprinkling irrigation pipeline in the positioning seat 24.

[0038] Referring mainly to Figure 3 As shown, one end of the first rotating rod 22 extends out of the side wall of the positioning seat 24 and is mounted with a rotating wheel 28, a plurality of positioning grooves 29 are equidistantly formed in the circumferential wall of the rotating wheel 28, and a locking assembly is arranged on the outer side of the rotating wheel 28; the locking assembly comprises a positioning rod 30 which is slidably embedded in the inner cavity of one of the positioning grooves 29, one end of the positioning rod 30 is mounted with an elastic element 31, and the other end of the elastic element 31 is fixedly connected with the side wall of the positioning seat 24.

[0039] When the angle of the sprinkling irrigation pipeline is adjusted, the positioning rod 30 is pulled outward to make it separate from the inner cavity of the positioning groove 29, at this time, the elastic element 31 is forced to be in a stretched state, the first rotating rod 22 is driven to rotate, the rotating wheel 28, the positioning groove 29, the connecting seat 23 and the positioning seat 24 are synchronously rotated, that is, the output end of the positioned sprinkling irrigation pipeline in the positioning seat 24 is adjusted in the pitch angle, so as to adjust the range of the sprinkling irrigation, after the adjustment, the pulling force on the positioning rod 30 is removed, and the positioning rod 30 is re-embedded into the inner cavity of the corresponding positioning groove 29 under the elastic force of the elastic element 31, that is, the positioning of the first rotating rod 22 after the adjustment of the angle is realized, and the positioning of the positioning seat 24 after the adjustment of the angle is realized.

[0040] It is worth mentioning that in the present application, the coil spring 26 has sufficient elasticity, and the elasticity can help the top plate 27 to be tightly buckled in the positioning seat 24, and the positioning seat 24 forms a closed space, which can position the sprinkler pipe placed in the positioning seat 24. The elasticity of the coil spring 26 can meet the above use requirements, and the type thereof is not limited; the screw rod 12 is a screw rod that can be self-locked in the market, which can be self-locked when it stops rotating and will not be affected by external force to rotate; the elastic member 31 is composed of a telescopic rod and a spring, and the spring is sleeved outside the telescopic rod. The telescopic rod is a common telescopic rod on the market, which is composed of two mutually sleeved rod bodies. Under the action of external force, the total length of the telescopic rod can change, and the spring can be compressed or stretched to produce elastic deformation. In addition, the device is used with the existing water pump and sprinkler pipe. The sprinkler pipe is positioned in the positioning seat 24, and the water pump is used to extract water source and output sprinkling through the sprinkler pipe. This is the prior art, and the type of the above-mentioned components is not limited and is not described in detail.

[0041] The working principle of the adjustable sprinkling machine of the embodiment is as follows:

[0042] When it is necessary to adjust the distance between the two groups of wheels 8 according to different distances between the land ridges, the second support rod 17 is lifted with the heavy block 19 as the fulcrum by holding the handle 18, that is, the two groups of wheels 8 are in a state of leaving the ground. The driving screw rod 12 is rotated to drive the moving seat 13 to move in the forward and backward directions. The moving seat 13 drives the moving block 15 to move in the forward and backward directions along the guide rod 14. The one end of the two driving rods 11 is moved together by the movement of the moving seat 13, so as to drive the other end of the two driving rods 11 to drive the corresponding connecting pins 10, mounting seats 9 and moving sleeves 3 to move synchronously. The moving sleeve 3 moves in the horizontal direction along the cross rod 1, that is, the fixed sleeve 4, the connecting block 5, the first support rod 6, the rotating shaft 7 and the wheels 8 move synchronously in the horizontal direction, that is, the two groups of wheels 8 are symmetrically adjusted in distance relative to the cross rod 1;

[0043] The end of the top plate 27 is pressed outward to rotate the top plate 27 upward and out of the inner cavity of the positioning seat 24. At this time, the rotating top plate 27 drives the second rotating rod 25 to rotate synchronously, and the coil spring 26 is forced to produce elastic deformation. The output end of the sprinkler pipe is placed in the inner cavity of the positioning seat 24. The external force on the top plate 27 is removed, and the second rotating rod 25 is rotated back to the initial state by the elasticity of the coil spring 26, that is, the top plate 27 returns to the horizontal state, and the positioning seat 24 forms a closed space to position the sprinkler pipe in the positioning seat 24;

[0044] When the positioned sprinkling pipeline is adjusted in the sprinkling angle, the positioning rod 30 is pulled outward to make it disengage from the inner cavity of the positioning groove 29, at this time, the elastic member 31 is forced to be in the stretched state, the first rotating rod 22 is driven to rotate, the rotating wheel 28, the positioning groove 29, the connecting seat 23 and the positioning seat 24 are synchronously rotated, that is, the output end of the positioned sprinkling pipeline in the positioning seat 24 is adjusted in the pitch angle, so as to adjust the travel range of the sprinkling, after the adjustment, the pulling force on the positioning rod 30 is removed, under the elastic force of the elastic member 31, the positioning rod 30 is embedded into the inner cavity of the corresponding positioning groove 29, that is, the positioning of the first rotating rod 22 after the adjustment in the angle is realized, and the positioning of the positioning seat 24 after the adjustment in the angle is realized;

[0045] The utility model discloses can adjust the interval of two groups of wheels 8, it can flexible adaptation different crops' land ridge interval, avoid fixed interval wheel to cause harm to land ridge or crops, satisfy different crops' sprinkling demand, give full play to the irrigation efficiency of sprinkling machine, and two groups of fixed sleeve 4 and two groups of wheels 8 after adjusting interval, still can be set up relative to horizontal pole 1 left and right symmetry, guarantee the adjusted sprinkling machine still can keep stable, avoid the problem that the wheel 8 of one -sided movement leads to the overall gravity center of sprinkling machine and causes the problem of equipment instability, in addition, still can adjust the angle of the sprinkling pipeline in the positioning seat 24 after positioning, make the output end of the sprinkling pipeline adjust the far and near travel of sprinkling, more satisfy the range demand of different crops' sprinkling, and the sprinkling effect is better.

[0046] The above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable sprinkler comprising a crossbar (1), characterized in that: The middle of the crossbar (1) is fixedly provided with a fixed seat (2), the crossbar (1) is symmetrically and slidably provided with two moving sleeves (3), each of the moving sleeves (3) is fixedly provided with a fixed sleeve (4), each of the fixed sleeves (4) is connected with a traveling assembly at the bottom end, each of the moving sleeves (3) is fixedly provided with a mounting seat (9), each of the mounting seats (9) is provided with a connecting pin (10), one end of the connecting pin (10) is rotatably connected with a driving rod (11), the other end of the driving rod (11) is connected with a moving seat (13), the front side wall of the fixed seat (2) is rotatably connected with a lead screw (12), and the lead screw (12) penetrates through the outer wall of the moving seat (13), and the lead screw (12) is threadedly connected with the moving seat (13).

2. An adjustable sprinkling machine according to claim 1, characterized in that: A guide assembly is arranged below the moving seat (13); The guide assembly comprises a guide rod (14) which is vertically and fixedly arranged on the front side wall of the fixed seat (2), the guide rod (14) is arranged in parallel with the lead screw (12), and the outer wall of the guide rod (14) is slidably provided with a moving block (15), and the moving block (15) is fixedly connected with the lower surface of the moving seat (13).

3. An adjustable sprinkling machine according to claim 1, characterized in that: The traveling assembly comprises a connecting block (5) which is fixedly arranged below the fixed sleeve (4), the bottom end of the connecting block (5) is obliquely provided with a first supporting rod (6), one end of a rotating shaft (7) is rotatably connected with the bottom end side wall of the first supporting rod (6), and the other end of the rotating shaft (7) is provided with a wheel (8).

4. An adjustable sprinkling machine according to claim 3, characterized in that: A supporting assembly is arranged on the front side of the fixed seat (2); The supporting assembly comprises an extension arm (16) which is fixedly and vertically arranged on the front side wall of the fixed seat (2), the front side end of the extension arm (16) is obliquely provided with a second supporting rod (17), the side wall of the second supporting rod (17) is provided with a handle (18), and the bottom end of the second supporting rod (17) is provided with a weight (19). The bottom end of the wheel (8) is in the same horizontal line with the weight (19).

5. An adjustable sprinkling machine according to claim 1, characterized in that: A mounting arm (20) is fixedly arranged on the rear side wall of the fixed seat (2), a seat body (21) is fixedly arranged at the top end of the mounting arm (20), a first rotating rod (22) is rotatably arranged in the seat body (21), a connecting seat (23) is fixedly arranged on the first rotating rod (22), a positioning seat (24) is fixedly arranged on the connecting seat (23), and the positioning seat (24) is provided with a U-shaped inner cavity.

6. An adjustable sprinkling machine according to claim 5, characterized in that: A second rotating rod (25) is rotatably arranged on the side wall of the positioning seat (24), one end of the second rotating rod (25) extends out of the side wall of the positioning seat (24) and is provided with a coil spring (26), one end of the coil spring (26) is fixedly connected with the side wall of the positioning seat (24), the other end of the coil spring (26) is connected with the second rotating rod (25), and a top plate (27) is fixedly arranged on the second rotating rod (25).

7. An adjustable sprinkling machine according to claim 5, characterized in that: One end of the first rotating rod (22) extends out of the side wall of the positioning seat (24) and is provided with a rotating wheel (28), and the side wall of the rotating wheel (28) is provided with a plurality of positioning grooves (29) equidistantly opened in the circumferential direction, and the outer side of the rotating wheel (28) is provided with a locking assembly.

8. An adjustable sprinkler according to claim 7 wherein: The locking assembly comprises a positioning rod (30) slidingly embedded in the inner cavity of one of the positioning grooves (29), one end of the side wall of the positioning rod (30) is provided with an elastic element (31), and the other end of the elastic element (31) is fixedly connected with the side wall of the positioning seat (24).

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