Walking type pesticide spraying device

Abstract

The utility model provides a walking type pesticide spraying device which solves the problems that due to a pesticide spraying pipeline with a long size, the whole device is too large in occupied size, the device needs to occupy a larger space during storage and transportation, and meanwhile the device is inconvenient to move. The scissor rod mechanism is arranged on the moving device, and the hard pipe, the water mist spray head and the hose which are used for pesticide spraying operation are arranged on the scissor rod mechanism, so that the moving device can drive the hard pipe, the water mist spray head and the hose to spray pesticide, and meanwhile, the pesticide conveying pipe can be driven to be folded and unfolded through the scissor rod mechanism; and the pesticide conveying pipe can be contracted to reduce the occupied space while realizing large-range spraying operation, so that the pesticide conveying pipe is convenient to move, transport and store.

Description

Technical Field

[0001] The utility model relates to the technical field of pesticide spraying devices, in particular to a walking-type pesticide spraying device. Background Art

[0002] Pesticides refer to chemical agents used in agriculture to prevent and control pests and diseases and regulate plant growth. They are widely used in the production of agriculture, forestry and animal husbandry, environmental and household sanitation pest control and epidemic prevention, and the mildew and moth prevention of industrial products, etc., for preventing, eliminating or controlling diseases, insects, weeds and other harmful organisms that endanger agriculture and forestry.

[0003] The compounds in pesticides pose a threat to human health. At the same time, in order to reduce labor consumption and improve spraying efficiency, existing pesticide spraying devices usually use mobile devices to drive the pesticide spraying devices for spraying operations. And in order to increase the spraying range and improve the spraying efficiency, relatively long pesticide spraying pipes are often set. However, the relatively long pesticide spraying pipes will cause the overall occupied volume of the device to be too large, making the device need to occupy a larger space during storage and transportation. At the same time, it becomes more difficult to move on narrow farm roads or sloping terrains, requires a larger turning radius, and is not convenient for movement. Summary of the Utility Model

[0004] In order to solve the problem in the background art that the relatively long pesticide spraying pipes will cause the overall occupied volume of the device to be too large, making the device need to occupy a larger space during storage and transportation and being not convenient for movement, the utility model provides a walking-type pesticide spraying device.

[0005] The technical solution of the utility model is: a walking-type pesticide spraying device, including a mobile device, on which a liquid medicine tank is arranged. There is a U-shaped bracket with an opening facing downwards on the mobile device. A fixing plate is fixedly arranged at the front end of the U-shaped bracket. There are two mounting rods extending upwards on the fixing plate, and the mounting rods are fixedly arranged on the mobile device. Connecting rods extending obliquely backwards are fixedly arranged at the left and right ends of the fixing plate, and the rear ends of the connecting rods are fixedly arranged at the middle part of the U-shaped bracket;

[0006] A scissors rod mechanism is arranged on the U-shaped bracket. The scissors rod mechanism includes a plurality of X-shaped rods sequentially hinged along the left-right direction through a first hinge shaft. The X-shaped rod includes a first rod and a second rod. The first rod is located above the second rod, and the middle part of the first rod is hinged to the middle part of the second rod through a second hinge shaft;

[0007] A drug delivery tube is provided on the scissor lever mechanism, and the scissor lever mechanism is used to drive the drug delivery tube to fold and unfold. The drug delivery tube includes a hard tube fixedly arranged under the second rod, a water mist nozzle is fixedly arranged in the middle of the hard tube, and the ends of two adjacent hard tubes are fixedly connected and communicated with a hose, and the ends of the two hard tubes located in the middle are fixedly connected and communicated with a connecting tube, and one end of the connecting tube away from the hard tube is fixedly connected and communicated with the liquid medicine tank;

[0008] A driving device is arranged on the U-shaped bracket, the driving device is transmission-connected with the scissor lever mechanism, and the driving device is used for driving the scissor lever mechanism to extend and retract.

[0009] Preferably, the driving device comprises a double-headed screw rotatably arranged on the U-shaped bracket, the rear end of the double-headed screw passes through the U-shaped bracket and is fixedly provided with a rotating handle, the double-headed screw comprises a first threaded rod and a second threaded rod, the thread directions of the first threaded rod and the second threaded rod are opposite, a first internally threaded sleeve is threadedly sleeved on the first threaded rod, the lower end of the first hinge shaft located in the front of the middle part is fixedly arranged on the first internally threaded sleeve, a second threaded sleeve is threadedly sleeved on the second threaded rod, and the lower end of the first hinge shaft located in the front of the middle part is fixedly arranged on the second internally threaded sleeve;

[0010] The U-shaped bracket is provided with two guide grooves which are arranged at a front-to-back interval and extend in the front-to-back direction, and the upper end of the first hinge shaft is slidably arranged in the guide grooves.

[0011] Preferably, the top end of the first hinge shaft passes through the guide groove and is fixedly provided with a limiting ring, and the limiting ring slides against the upper side of the U-shaped bracket.

[0012] Preferably, a telescopic rod mechanism is fixedly provided on the U-shaped bracket, and the end of the scissor rod mechanism is provided on the telescopic rod mechanism, and the telescopic rod mechanism is used to vertically pull the end of the scissor rod mechanism away from the U-shaped bracket;

[0013] The telescopic rod mechanism includes a fixed cylinder fixed on the upper side of the U-shaped bracket, two sliding cylinders are slidably inserted into the fixed cylinder, the ends of the sliding cylinders can pass through the fixed cylinder, a sliding rod is slidably inserted into the sliding cylinder, the ends of the sliding rod can pass through the sliding cylinder, and the upper end of the second hinge shaft located at the end of the telescopic rod mechanism is fixed to the end of the sliding rod.

[0014] Preferably, a partition is fixedly provided at the middle of the inner wall of the fixed cylinder, and the two sliding cylinders are respectively located on the left and right sides of the partition.

[0015] Preferably, a first slide groove extending in the left-right direction is opened on the lower side of the fixed cylinder, a first limit block is fixedly provided on the lower side of one end of the sliding cylinder close to the middle of the fixed cylinder, and the first limit block is slidably arranged in the first slide groove.

[0016] Preferably, a second chute extending in the left - right direction is provided on the lower side of the sliding cylinder. A second limiting block is fixedly provided on the lower side of one end of the sliding rod close to the middle of the fixed cylinder, and the second limiting block slidably penetrates through the second chute.

[0017] Advantages of the present utility model: By providing a scissors rod mechanism on the mobile device and arranging the hard pipe, water mist nozzle and hose for spraying operation on the scissors rod mechanism, while the mobile device can drive the hard pipe, water mist nozzle and hose to spray medicine, the scissors rod mechanism can also drive the medicine delivery pipe to fold and unfold. This enables the medicine delivery pipe to not only achieve large - range spraying operations but also contract to reduce the occupied space area, facilitating movement, transportation and storage.

[0018] By changing the telescopic length of the scissors rod mechanism, the present utility model can also adjust the spacing between multiple water mist nozzles, so as to adjust the spraying width according to actual needs, avoid over - use of chemical agents, save the spraying cost, and at the same time can adjust the spraying width according to the size and shape of the field, thereby improving the efficiency and effect of the spraying operation. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0021] Figure 2 It is a schematic diagram of the structure of the scissors rod mechanism and the driving device of the present utility model;

[0022] Figure 3 It is a bottom view of the scissors rod mechanism and the driving device of the present utility model;

[0023] Figure 4 It is a cross - sectional view of the telescopic rod mechanism of the present utility model.

[0024] In the figure: 1. U-shaped bracket; 2. Fixed plate; 3. Mounting rod; 4. Scissor rod mechanism; 41. First rod; 42. Second rod; 43. First hinge shaft; 44. Second hinge shaft; 51. Rigid tube; 52. Water mist nozzle; 53. Flexible tube; 54. Connecting tube; 6. Driving device; 61. Double-headed screw; 62. Rotating handle; 63. First internal thread sleeve; 64. Second internal thread sleeve; 65. Guide groove; 66. Limit ring; 71. Fixed cylinder; 72. Sliding cylinder; 73. Sliding rod; 74. Partition; 75. First sliding groove; 76. First limit block; 77. Second sliding groove; 78. Second limit block; 8. Connecting rod. Detailed implementation mode

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Embodiment 1: A walking type pesticide spraying device, as Figures 1-4 shown, includes a moving device. A liquid medicine tank is provided on the moving device. A U-shaped bracket 1 with an opening facing downwards is provided on the moving device. The moving device is used to drive the U-shaped bracket 1 to move. For those skilled in the art, the moving device belongs to well-known technology, so no more details will be described. A fixed plate 2 is fixedly provided at the front end of the U-shaped bracket 1. Two upwardly extending mounting rods 3 are provided on the fixed plate 2. The fixed plate 2 is fixedly provided on the moving device through the mounting rods 3; Connecting rods 8 extending obliquely backward are fixedly provided at the left and right ends of the fixed plate 2. The rear ends of the connecting rods 8 are fixedly provided in the middle of the U-shaped bracket 1. A triangular structure is formed between the connecting rods 8, the U-shaped bracket 1 and the fixed plate 2, which can enhance the structural stability between the U-shaped bracket 1 and the fixed plate 2.

[0027] The U-shaped bracket 1 is provided with a scissor lever mechanism 4. Specifically, the scissor lever mechanism 4 includes a plurality of X-shaped levers hinged in sequence along the left-right direction through a first hinge shaft 43. The X-shaped lever includes a first rod 41 and a second rod 42. The first rod 41 is located above the second rod 42, and the middle of the first rod 41 and the middle of the second rod 42 are hinged through a second hinge shaft 44. A drug delivery tube is provided on the scissor lever mechanism 4. The scissor lever mechanism 4 is used to drive the drug delivery tube to fold and unfold, so that the drug delivery tube can be retracted to reduce the space occupied by the drug delivery tube while being able to achieve a large-scale spraying operation, so as to facilitate movement, transportation and storage. Specifically, the drug delivery tube includes a hard tube 51 fixedly arranged under the second rod 42, a water mist nozzle 52 is fixedly arranged in the middle of the hard tube 51, and the ends of two adjacent hard tubes 51 are fixedly connected and communicated with a hose 53, and the hose 53 can be deformed to adapt to the expansion and contraction of the scissor rod mechanism 4. The ends of the two hard tubes 51 located in the middle are fixedly connected and communicated with a connecting tube 54, and one end of the connecting tube 54 away from the hard tube 51 is fixedly connected and communicated with the medicine liquid tank, and a medicine delivery pump is arranged between the connecting tube 54 and the medicine liquid tank, and the medicine delivery pump is used to transport the medicine in the medicine liquid tank to the drug delivery tube and spray it out through the water mist nozzle 52.

[0028] By changing the telescopic length of the scissor lever mechanism 4, the spacing between the multiple water mist nozzles 52 can also be adjusted, so as to adjust the spraying width according to actual needs, avoid excessive use of chemicals, and save spraying costs. At the same time, the spraying width can be adjusted according to the size and shape of the field, thereby improving the efficiency and effectiveness of the spraying operation.

[0029] The U-shaped bracket 1 is provided with a driving device 6, which is transmission-connected with the scissor lever mechanism 4, and is used to drive the scissor lever mechanism 4 to extend and retract. Specifically, the driving device 6 includes a double-headed screw 61 rotatably arranged on the U-shaped bracket 1, and the rear end of the double-headed screw 61 passes through the U-shaped bracket 1 and is fixedly provided with a handle 62, and the double-headed screw 61 includes a first threaded rod and a second threaded rod, and the thread directions of the first threaded rod and the second threaded rod are opposite. A first internally threaded sleeve 63 is threadedly sleeved on the first threaded rod, and the lower end of the first hinge shaft 43 located in the front middle part is fixedly arranged on the first internally threaded sleeve 63, and a second internally threaded sleeve 64 is threadedly sleeved on the second threaded rod, and the lower end of the first hinge shaft 43 located in the front middle part is fixedly arranged on the second internally threaded sleeve 64; the U-shaped bracket 1 is provided with two guide grooves 65 which are arranged at intervals front and back and extend in the front-to-back direction, and the upper end of the first hinge shaft 43 is slidably penetrated in the guide groove 65, and the guide groove 65 can guide the first hinge shaft 43 to slide in the front-to-back direction.

[0030] By rotating the turning handle 62, the double-headed screw rod 61 is driven to rotate, thereby driving the first internal thread sleeve 63 and the second internal thread sleeve 64 to move towards each other or away from each other, and driving the two first hinge shafts 43 located in the middle to move towards each other or away from each other in the front-rear direction, thereby driving the scissor rod mechanism 4 to expand and contract. At the same time, the rigid tube 51 and the flexible tube 53 expand and contract together with the scissor rod mechanism 4 to achieve the purpose of folding and unfolding the medicine delivery tube.

[0031] The top end of the first hinge shaft 43 passes through the guide groove 65 and is fixedly provided with a limit ring 66. The limit ring 66 slides and abuts against the upper side of the U-shaped bracket 1. The limit ring 66 can vertically pull the scissor rod mechanism 4 through the first hinge shaft 43, reduce the supporting force of the double-headed screw rod 61 on the scissor rod mechanism 4 through the first internal thread sleeve 63 and the second internal thread sleeve 64, and improve the structural stability.

[0032] An expansion rod mechanism is fixedly provided on the U-shaped bracket 1. The end of the scissor rod mechanism 4 is arranged on the expansion rod mechanism. The expansion rod mechanism is used to vertically pull the end of the scissor rod mechanism 4 away from the U-shaped bracket 1, prevent the end of the scissor rod mechanism 4 away from the U-shaped bracket 1 from being deformed due to ineffective support under the action of gravity after the scissor rod mechanism 4 is unfolded, and at the same time adapt to the length change of the expansion rod mechanism. Specifically, the expansion rod mechanism includes a fixed cylinder 71 fixedly provided on the upper side of the U-shaped bracket 1. Two sliding cylinders 72 are slidably inserted into the fixed cylinder 71. The end of the sliding cylinder 72 can pass through the fixed cylinder 71. A sliding rod 73 is slidably inserted into the sliding cylinder 72. The end of the sliding rod 73 can pass through the sliding cylinder 72, and the upper end of the second hinge shaft 44 located at the end of the expansion rod mechanism is fixedly provided at the end of the sliding rod 73.

[0033] A partition plate 74 is fixedly provided in the middle of the inner wall of the fixed cylinder 71. The two sliding cylinders 72 are respectively located on the left and right sides of the partition plate 74. The partition plate 74 can separate the two sliding cylinders 72 from each other to prevent the two sliding cylinders 72 from affecting each other.

[0034] A first chute 75 extending in the left-right direction is opened on the lower side of the fixed cylinder 71. A first limit block 76 is fixedly provided on the lower side of the end of the sliding cylinder 72 close to the middle of the fixed cylinder 71. The first limit block 76 is slidably inserted into the first chute 75; the arrangement of the first limit block 76 and the first chute 75 can prevent the sliding cylinder 72 from slipping out of the fixed cylinder 71; a second chute 77 extending in the left-right direction is opened on the lower side of the sliding cylinder 72. A second limit block 78 is fixedly provided on the lower side of the end of the sliding rod 73 close to the middle of the fixed cylinder 71. The second limit block 78 is slidably inserted into the second chute 77. The arrangement of the second limit block 78 and the second chute 77 can prevent the sliding rod 73 from slipping out of the sliding cylinder 72.

[0035] Working principle: When in use, by rotating the turning handle 62, the double-headed screw rod 61 is driven to rotate, thereby driving the first internal thread sleeve 63 and the second internal thread sleeve 64 to move towards or away from each other, and driving the two first hinge shafts 43 located in the middle to move towards or away from each other in the front-rear direction, thereby driving the scissor rod mechanism 4 to expand and contract. At the same time, the rigid tube 51 and the flexible tube 53 expand and contract together with the scissor rod mechanism 4 to unfold the medicine delivery tube. Then, start the medicine delivery pump, and the medicine delivery pump conveys the liquid medicine in the liquid medicine tank into the medicine delivery tube and sprays it through the water mist nozzle 52 to perform the spraying operation. After the spraying operation is completed, by rotating the turning handle 62 in the reverse direction, the scissor rod mechanism 4 is retracted, and the rigid tube 51 and the flexible tube 53 are folded together with the scissor rod mechanism 4 to fold the medicine delivery tube, reducing the occupied space area.

[0036] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A walking pesticide spraying device, characterized in that: The mobile device comprises a mobile device, a liquid medicine tank is provided on the mobile device, a U-shaped bracket (1) with an opening facing downward is provided on the mobile device, a fixing plate (2) is fixedly provided at the front end of the U-shaped bracket (1), two mounting rods (3) extending upward are provided on the fixing plate (2), the mounting rods (3) are fixedly provided on the mobile device, connecting rods (8) extending obliquely backward are fixedly provided at the left and right ends of the fixing plate (2), and the rear end of the connecting rod (8) is fixedly provided at the middle part of the U-shaped bracket (1); A scissor lever mechanism (4) is provided on the U-shaped bracket (1), the scissor lever mechanism (4) comprising a plurality of X-shaped levers hinged in sequence along the left-right direction via a first hinge shaft (43), the X-shaped lever comprising a first lever member (41) and a second lever member (42), the first lever member (41) being located above the second lever member (42), and the middle portion of the first lever member (41) and the middle portion of the second lever member (42) being hinged via a second hinge shaft (44); A drug delivery tube is provided on the scissor lever mechanism (4), and the scissor lever mechanism (4) is used to drive the drug delivery tube to fold and unfold, and the drug delivery tube comprises a hard tube (51) fixedly arranged below the second rod (42), a water mist nozzle (52) is fixedly arranged in the middle of the hard tube (51), the ends of two adjacent hard tubes (51) are fixedly connected and communicated with a hose (53), the ends of the two hard tubes (51) located in the middle are fixedly connected and communicated with a connecting tube (54), and one end of the connecting tube (54) away from the hard tube (51) is fixedly connected and communicated with the drug liquid tank; A driving device (6) is provided on the U-shaped bracket (1), the driving device (6) is in transmission connection with the scissor lever mechanism (4), and the driving device is used to drive the scissor lever mechanism (4) to extend and retract.

2. A walking pesticide spraying device according to claim 1, characterized in that: The driving device (6) comprises a double-headed screw (61) rotatably arranged on the U-shaped bracket (1), the rear end of the double-headed screw (61) passes through the U-shaped bracket (1) and is fixedly provided with a rotating handle (62), the double-headed screw (61) comprises a first threaded rod and a second threaded rod, the thread directions of the first threaded rod and the second threaded rod are opposite, a first internally threaded sleeve (63) is threadedly sleeved on the first threaded rod, the lower end of the first hinge shaft (43) located at the front of the middle part is fixedly arranged on the first internally threaded sleeve (63), a second internally threaded sleeve (64) is threadedly sleeved on the second threaded rod, and the lower end of the first hinge shaft (43) located at the front of the middle part is fixedly arranged on the second internally threaded sleeve (64); The U-shaped bracket (1) is provided with two guide grooves (65) spaced apart from each other and extending in the front-to-back direction, and the upper end of the first hinge shaft (43) is slidably inserted into the guide grooves (65).

3. A walking pesticide spraying device according to claim 2, characterized in that: The top end of the first hinge shaft (43) passes through the guide groove (65) and is fixedly provided with a limiting ring (66), and the limiting ring (66) is slidably abutted against the upper side of the U-shaped bracket (1).

4. A walking pesticide spraying device according to claim 1, characterized in that: A telescopic rod mechanism is fixedly provided on the U-shaped bracket (1), an end of the scissor rod mechanism (4) is provided on the telescopic rod mechanism, and the telescopic rod mechanism is used to vertically pull the end of the scissor rod mechanism (4) away from the U-shaped bracket (1); The telescopic rod mechanism comprises a fixed cylinder (71) fixedly arranged on the upper side of the U-shaped bracket (1), two sliding cylinders (72) slidably passing through the fixed cylinder (71), the ends of the sliding cylinders (72) being able to pass through the fixed cylinder (71), a sliding rod (73) slidably passing through the sliding cylinder (72), the ends of the sliding rod (73) being able to pass through the sliding cylinder (72), and the upper ends of the second hinge shafts (44) located at the ends of the telescopic rod mechanism are fixedly arranged at the ends of the sliding rods (73).

5. A walking pesticide spraying device according to claim 4, characterized in that: A partition plate (74) is fixedly provided at the middle of the inner wall of the fixed cylinder (71), and the two sliding cylinders (72) are respectively located on the left and right sides of the partition plate (74).

6. A walking pesticide spraying device according to claim 4, characterized in that: A first slide groove (75) extending in the left-right direction is provided on the lower side of the fixed cylinder (71); a first limit block (76) is fixedly provided on the lower side of one end of the sliding cylinder (72) close to the middle of the fixed cylinder (71); and the first limit block (76) is slidably disposed in the first slide groove (75).

7. A walking pesticide spraying device according to claim 4, characterized in that: A second slide groove (77) extending in the left-right direction is provided on the lower side of the sliding cylinder (72); a second limit block (78) is fixedly provided on the lower side of one end of the sliding rod (73) close to the middle of the fixed cylinder (71); and the second limit block (78) is slidably disposed in the second slide groove (77).

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