Agricultural mulching film mulching device

Abstract

The utility model discloses an agricultural plastic film mulching device and relates to the field of agricultural machinery. The agricultural mulching film mulching device is composed of a frame body, a telescopic frame, a mulching film roll tensioning device, a supporting frame and a U-shaped groove. The telescopic frames are inserted into the bottom beam, the distance between the telescopic frames is adjusted according to the width of the mulching film roll, the mulching film roll is arranged on the conical rotating block in a sleeving mode, and the telescopic frames and the bottom beam are fixed. When the mulching film is covered, one end of the mulching film on the mulching film roll is buried and fixed, and the handle II is manually pulled upwards, so that the film pressing plate moves upwards to break away from extrusion on the mulching film roll; when the device is manually dragged, the frame wheel rotates, and the mulching film roll and the conical rotating block synchronously rotate. When covering is stopped, the handle II is loosened, and the film pressing plate downwards extrudes the mulching film roll through contraction of the spring I, so that the mulching film roll stops rotating. During paddy field operation, the telescopic frame is sleeved with a U-shaped groove. The device is suitable for being used in different scenes of dry land and paddy field.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field, concretely relates to a farmland mulching device, aims at solving the efficiency and convenience problem of mulching film in agricultural production. BACKGROUND

[0002] Mulching film, as a common ground covering material, usually adopts transparent or black PE film. It has many remarkable effects in agricultural production, not only can effectively improve the ground temperature, play the role of water conservation, soil conservation, fertilizer conservation and improve the fertilizer efficiency, also has many functions such as weeding, disease and pest control, drought and flood resistance and salt inhibition seedling protection. After the seed sowing of farmland is completed, laying mulching film is an important agricultural operation. However, the current commonly used laying mode is that the staff places the roll of mulching film at one end of the farmland, fixes one end of the mulching film, and manually rotates the mulching film for laying. This mode not only needs the staff to work for a long time, and the labor intensity is large, and the laying efficiency is low, and it is difficult to meet the demand of modern agricultural production for high efficiency and convenience.

[0003] Therefore, it has important practical significance to design a farmland mulching equipment capable of quickly and conveniently laying mulching film. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of large labor intensity and low efficiency of staff laying mulching film in the prior art, and provides a farmland mulching equipment which is simple and convenient to operate and efficient, so as to improve the agricultural production efficiency and reduce the labor cost.

[0005] A farmland mulching device, which comprises a frame body, two telescopic frames, a mulching film roll tensioning device, a supporting frame and a U-shaped groove.

[0006] The frame body is fixedly connected with two supporting arms and a bottom beam to form an integral structure.

[0007] The bottom beam is a hollow square tube structure, two nuts I are symmetrically arranged on the left and right ends of the bottom beam, and two telescopic frames are inserted into the left and right ends of the bottom beam respectively; the telescopic frames are fixed in the bottom beam through screw rods I and nuts I; two sleeves I are fixed on the two supporting arms respectively, and two sleeves II are fixed in the bottom beam; the center axes of the two sleeves I or the two sleeves II are the same as the center axis of the frame body, and the center axes of the sleeves I and the sleeves II at the corresponding ends are on the same axis.

[0008] The two telescopic frames are L-shaped square tube structures, and screw shafts are arranged on the inner sides of the two telescopic frames; frame wheels are arranged at the lower ends of the telescopic frames; and the outer shape structure size of the telescopic frames matches the inner cavity of the bottom beam.

[0009] The bolt shaft is fixed on the telescopic frame by bolts, and a conical rotating block is movably sleeved on the bolt shaft.

[0010] The ground film roll tensioning device is integrally connected by the handle II, the two support rods and the cross beam, the support rods at the left and right ends penetrate the sleeves I and II at the corresponding ends, and the film pressing plate is fixedly connected to the lower ends of the two support rods; the cross beam is connected with the bottom beam through the spring I, and the contraction of the spring I causes the film pressing plate to press the ground film roll downward.

[0011] The support frame is a reverse "U"-shaped mechanism, is fixed on the back of the frame body through two sleeves III, and the bolts I and II are fixedly arranged on the side surface of the frame body and the side surface of the support frame respectively, and the two ends of the spring II are connected to the bolts I and II.

[0012] The U-shaped groove is sleeved on the telescopic frame and is fixed by the screw rod II and the nut II.

[0013] Compared with the prior art, the utility model has the following obvious technical effects:

[0014] 1. The utility model has the advantages of simple structure, convenient installation, improved ground film laying efficiency, saved manpower cost and reduced labor intensity.

[0015] 2. The utility model can meet the demand of different widths of ground film by flexibly adjusting the width of the telescopic frame, can accurately control the rotation and stop of the ground film roll shaft, and the frame wheel of the equipment is convenient for dragging, so that the manpower for lifting is greatly saved; the support frame can be inserted into the ground to realize the fixation and positioning of the equipment, and the stability of the laying operation is ensured; the U-shaped groove can meet the demand of laying ground film for paddy field seedling culture. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the combination structure of the bottom beam and the telescopic frame;

[0018] Figure 3 It is a schematic diagram of the combination structure of the telescopic frame and the ground film roll;

[0019] Figure 4 It is a left view sectional view structural schematic diagram of the ground film roll tensioning device and the ground film roll;

[0020] Figure 5 It is a right view structural schematic diagram of the frame body and the support frame;

[0021] Figure 6 It is a rear view structural schematic diagram of the frame body and the support frame;

[0022] Figure 7This is a schematic diagram of the telescopic frame and U-shaped channel from the left.

[0023] Illustration: 1-Frame, 1-1-Handle I, 1-2-Support arm, 2-Film roll tensioning device, 2-1-Handle II, 3-Support rod, 4-Sleeve I, 4-1-Sleeve II, 4-2-Sleeve III, 5-Support frame, 6-Crossbeam, 7-Spring I, 7-1-Spring II, 8-1-Bolt I, 8-2-Bolt II, 9-Film pressing plate, 10-Screw I, 10-1-Screw II, 11-Nut I, 11-1-Nut II, 12-Telescopic frame, 13-Conical rotating block, 14-Frame wheel, 15-Film roll, 16-Bolt shaft, 17-Bottom beam, 18-U-shaped groove. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0025] Example 1

[0026] An agricultural mulch film covering device, Figure 1 , Figure 5 As shown, it consists of a frame 1, two telescopic frames 12, a film roll tensioning device 2, a support frame 5, and a U-shaped channel 18;

[0027] The frame 1, as described above Figure 1 As shown, the device consists of a handle I1-1, two support arms 1-2, and a base beam 17, all fixedly connected as a single unit. The handle I1-1 is used for manual pulling of the agricultural film covering device. The base beam 17 is a hollow square tube structure, with two nuts I11 fixedly installed at both ends of the base beam 17. Figure 2 As shown, two telescopic frames 12 are inserted at the left and right ends of the bottom beam 17 respectively, and the spacing between the two telescopic frames 12 is adjusted according to the width of the mulch roll 15. The telescopic frames 12 are fixed in the bottom beam 17 by screws I10 and nuts I11. Two sleeves I4 are correspondingly set on the two support arms 1-2, and two sleeves II4-1 are fixedly installed in the bottom beam 17. The central axis of the two sleeves I4 or the two sleeves II4-1 is the same as the central axis of the frame 1, and the central axis of the sleeve I4 is on the same axis as the central axis of the corresponding sleeve II4-1.

[0028] The two telescopic frames 12, as described above Figure 1 , Figure 2 As shown, it is an "L"-shaped square tube structure, with bolt shafts 16 correspondingly provided on the inner side of the two telescopic frames 12, and frame wheels 14 provided at the lower end of the telescopic frame 12; the external structural dimensions of the telescopic frame 12 match the inner cavity of the bottom beam 17.

[0029] The bolt shaft 16, as described Figure 3As shown, the bolt shaft 16 is fixed on the telescopic frame 12 by bolts, and the conical rotating block 13 is movably sleeved on the bolt shaft 16;

[0030] The film roll tensioning device 2, Figure 1 、 Figure 4 As shown, the handle II 2-1, the two support rods 3 and the cross beam 6 are fixedly connected as a whole structure, and the two support rods 3 at the left and right ends penetrate the sleeves I 4 and sleeves II 4-1 at the corresponding ends, the support rods 3 can move up and down in the sleeves I 4 and sleeves II 4-1, and the film pressing plate 9 is fixedly connected at the lower ends of the two support rods 3; the cross beam 6 is connected with the bottom beam 17 through the spring I 7, and the contraction of the spring I 7 makes the film pressing plate 9 extrude the film roll 15 downward;

[0031] The support frame 5 is a reverse "U" type mechanism, Figure 1 、 Figure 5 、 Figure 6 As shown, the two sleeves III 4-2 are fixed on the back of the frame body 1, the bolt I 8-1 and the bolt II 8-2 are respectively fixedly arranged on the side of the frame body 1 and the side of the support frame 5, the two ends of the spring II 7-1 are connected on the bolt I 8-1 and the bolt II 8-2, and the support frame 5 rotates around the sleeves III 4-2 as the axis, so that the support frame 5 can be used to support the frame body 1 in different working scenes.

[0032] The U-shaped groove 18 is sleeved on the telescopic frame 12, and is fixed by the screw rod II 10-1 and the nut II 11-1, and can be used for water field seedling covering film operation. Figure 1 、 Figure 7 、

[0033] The working principle of the agricultural film covering device is as follows: Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 7As shown, when the ground is covered with mulch film, the U-shaped groove 18 is not installed, two telescopic frames 12 are inserted into the bottom beam 17, the distance between the two telescopic frames 12 is adjusted according to the width of the mulch film roll 15, the center axis between the two telescopic frames 12 is on the same axis as the center axis of the frame body 1, the two ends of the mulch film roll 15 are sleeved on the conical rotating block 13, and then the screw rod I10 is tightened to fix the telescopic frame 12 and the bottom beam 17. When the ground is covered with mulch film, one end of the mulch film on the mulch film roll 15 is fixed by burying the soil, the handle II2-1 is manually pulled upward to move the film pressing plate 9 upward and away from the extrusion of the mulch film roll 15; as the device is manually dragged, the frame wheel 14 rotates, the mulch film roll 15 and the conical rotating block 13 rotate synchronously, and the mulch film covering work is easily and efficiently completed. After covering a section of mulch film, the handle II2-1 is loosened, the mulch film roll 15 is extruded downward by the spring I7 to stop rotating, and the device is manually dragged forward to make the mulch film evenly cover the ground. When stopping work, the support frame 5 is rotated to form a certain angle with the frame body 1, and the support frame 5 is inserted into the ground to fix the device. When working in paddy fields, the U-shaped groove 18 can be sleeved on the telescopic frame 12, and the rice seeds are extruded into the soil layer through the U-shaped groove 18, so that the mulch film laying in the paddy field is more efficient.

Claims

1. An agricultural mulch laying device, characterised in that: It is composed of a frame body (1), two telescopic frames (12), a mulch roll tensioning device (2), a support frame (5) and a U-shaped groove (18). The frame body (1) is fixedly connected by a handle I (1-1), two support arms (1-2) and a bottom beam (17) as an integral structure. The bottom beam (17) is a hollow square tube structure, two nuts I (11) are symmetrically fixed at the left and right ends of the bottom beam (17), and two telescopic frames (12) are respectively inserted into the left and right ends of the bottom beam (17); the telescopic frames (12) are fixed in the bottom beam (17) through screw rods I (10) and nuts I (11); two sleeves I (4) are correspondingly arranged on the two support arms (1-2), and two sleeves II (4-1) are fixedly sleeved in the bottom beam (17); the central axes of the two sleeves I (4) or the two sleeves II (4-1) are the same as the central axis of the frame body (1), and the central axes of the sleeves I (4) and the sleeves II (4-1) at the corresponding ends are on the same axis. The two telescopic frames (12) are "L"-shaped square tube structures, and a bolt shaft (16) is correspondingly arranged inside the two telescopic frames (12); a frame wheel (14) is arranged at the lower end of the telescopic frame (12); and the outer shape structure size of the telescopic frame (12) is matched with the inner cavity of the bottom beam (17). The bolt shaft (16) is fixed on the telescopic frame (12) by a bolt, and a conical rotating block (13) is movably sleeved on the bolt shaft (16). The mulch roll tensioning device (2) is fixedly connected by a handle II (2-1), two support rods (3) and a cross beam (6) as an integral structure, and the left and right support rods (3) penetrate the corresponding sleeves I (4) and sleeves II (4-1); a film pressing plate (9) is fixedly connected at the lower end of the two support rods (3); the cross beam (6) and the bottom beam (17) are connected by a spring I (7), and the contraction of the spring I (7) causes the film pressing plate (9) to press downward on the mulch roll (15); The support frame (5) is a reversed "U"-shaped mechanism, which is fixed on the back of the frame body (1) by two sleeves III (4-2); a bolt I (8-1) and a bolt II (8-2) are respectively fixedly arranged on the side surface of the frame body (1) and the side surface of the support frame (5); and the two ends of a spring II (7-1) are connected to the bolt I (8-1) and the bolt II (8-2). The U-shaped groove (18) is sleeved on the telescopic frame (12) and fixed by a screw rod II (10-1) and a nut II (11-1).

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