Irrigation pipe winding and unwinding device

Abstract

The utility model relates to the field of farm irrigation equipment, in particular to an irrigation pipe winding and unwinding device applied to the farm irrigation equipment. A blocking frame is additionally arranged in the pipe pressing mechanism, is arranged on the outer ring of the rolling ring outer frame and makes contact with the outer ring to play a limiting role, the situation that a spring pulls the pressing frame too low, the pressure on the water conveying pipe is large, and the influence on rolling and unwinding of the water conveying pipe is avoided. The support frame adopts a split plug-in mounting structure, is convenient to assemble, is adjustable in length, is suitable for reel equipment with various outer diameters, and is wide in application range and high in reuse rate; the connecting pipe is added, the metal hard pipe is used as the connecting pipe, the hollow main shaft is connected with the port of the water conveying pipe, the position of the port of the water conveying pipe is limited, winding and connecting are convenient, time and labor are saved, and the water conveying pipe is few in extending part and not prone to being bent and damaged.

Description

Technical Field

[0001] The utility model relates to the field of farmland irrigation equipment, in particular to an irrigation pipe winding and unwinding device applied to farmland irrigation equipment. Background Art

[0002] At present, most of the various sprinkler irrigation equipment used in agricultural irrigation use reels to achieve the winding and unwinding of irrigation pipes. In order to ensure that the irrigation water pipe is stable during the winding and unwinding process, a mechanism for pressing the water pipe will be set at the outer end of the reel. For example, the Chinese utility model patent "A pipe pressing mechanism of a reel for a sewer dredging vehicle (201621242916.9)" is mainly used for sprinklers or water pipe reel mechanisms with relatively small diameters. In this pipe pressing mechanism, the lower end is hinged, the middle part is pulled by a spring, and the entire roller part for pressing the pipe is set on the top of the reel. Under the action of gravity and springs, the roller presses the water pipe. During the entire pressing process, the thickness of the water pipe on the reel will decrease as the water pipe is released, and the roller will become lower and lower under the action of the spring tension. This type of pressing mechanism that only uses rollers to achieve compression is not suitable for use on reels with larger outer diameters. Second, for reels with more water pipes, simple tensioning of the tension spring will easily lead to a reduction in the compression force and loss of the compression effect due to spring deformation during long-term use. Third, there is no limiting structure to limit the pressing mechanism, and the pressing force of the pressing mechanism on the water pipe is relatively large, affecting the smoothness of the winding and unwinding process. Fourth, the rollers intelligently press the water pipes on the same circle. Once the water pipes are laterally offset, compression cannot be achieved.

[0003] In addition, in the existing small and medium-sized reel equipment, the end of the water pipe is pressed at the bottom layer, and most hose water pipes are directly connected to the main shaft of the hollow structure through flanges, and the outer end of the main shaft is connected to the external water pipe to facilitate water delivery during rotation. However, for the hard water pipe (PE pipe) of large reel equipment, since the inner cylinder of the reel is still a certain distance away from the main shaft, the end of the water pipe wound on the inner cylinder of the reel needs to extend outward for a long section to connect with the hollow main shaft, which is easy to be damaged during repeated bending, and the extension position cannot be fixed each time, and it takes many attempts to achieve connection, which is time-consuming and laborious, and has low standardization. On the one hand, the flow rate is reduced after the pipeline is damaged, and the pressure difference before and after the corresponding pipe section will change to a certain extent. On the other hand, the operation difficulty coefficient is large during connection, which affects work efficiency. Utility Model Content

[0004] The utility model aims at the technical defects mentioned in the background technology and provides a hard pipe irrigation pipe winding and unwinding device applied to farmland irrigation equipment.

[0005] The technical solution adopted by the utility model is: an irrigation pipe winding and unwinding device, comprising a reel mechanism installed on a frame, the reel mechanism comprising a reel main shaft mounted on the frame, a support frame arranged on spokes sleeved at both ends of the main shaft, and a reel inner cylinder and a reel outer frame arranged concentrically inside and outside the support frame; and also comprising a pipe pressing mechanism and a water delivery mechanism;

[0006] The pipe pressing mechanism is arranged on one side of the reel outer frame, and includes a pressing frame, a blocking frame, a rotating frame, a fixed seat and a spring; the fixed seat is arranged on the frame, and the two ends of the rotating frame are hinged to the fixed seat; the lower part of the pressing frame is connected to the rotating frame, the upper part of the pressing frame is placed in the reel outer frame, the middle part of the pressing frame is connected to the blocking frame, the blocking frame is in contact with the outer side surface of the reel outer frame, the two ends of the blocking frame are respectively connected to the spring, and the other end of the spring is fixed to the frame;

[0007] The water delivery mechanism includes a connecting pipe; the reel main shaft is a hollow structure, one end of the connecting pipe is connected to the reel main shaft, and the other end of the connecting pipe is connected to the water delivery pipe wound on the reel inner cylinder; the outer end of the reel main shaft is connected to the external water pipe through a rotating water seal.

[0008] As a preferred embodiment: in the pipe pressing mechanism, the pressing frame is an L-shaped structure, the upper part of which extends to the inside of the reel outer frame, is placed above the water pipe and contacts the water pipe.

[0009] Preferably, the support frame includes a main frame and a sub-frame, and the main frame and the sub-frame are inserted together at their junction and connected by a plurality of corresponding connecting pieces, so that the overall length of the support frame can be adjusted.

[0010] As a preference, the connecting pipe is an L-shaped metal hard pipe, a non-slip thread is provided at the free end thereof, and the connecting pipe is connected to the water pipe wound on the inner cylinder of the reel.

[0011] Preferably, the free end of the connecting pipe is slightly higher than the outer surface of the inner cylinder of the reel.

[0012] As a preferred embodiment: in the water delivery mechanism, both ends of the reel main shaft are mounted on the frame through bearing seats, one free end of the reel main shaft is a sealed end, a transmission gear is mounted on the end, and is connected to the driving mechanism through a connecting piece; the other free end of the reel main shaft is an open end, and the end is connected to a rotating water seal.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. A retaining frame is added to the pipe pressing mechanism, which is set on the outer ring of the coil outer frame and contacts the outer ring to play a limiting role, effectively preventing the spring from pulling the pressing frame too low, which puts a greater pressure on the water pipe and avoids affecting the winding and unwinding of the water pipe;

[0015] 2. The support frame adopts a split plug-in structure, which is easy to assemble and has adjustable length. It is suitable for reel equipment with various outer diameters, with a wide range of applications and high reuse rate;

[0016] 3. A connecting pipe is added, and a metal hard pipe is used as the connecting pipe to connect the hollow main shaft with the port of the water pipe, which limits the position of the water pipe port, facilitates winding and connection, saves time and effort, and the water pipe has a small protruding part, is not easy to bend, and is not easy to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is the front view of the utility model.

[0019] Figure 3 It is a side view of the utility model.

[0020] Figure 4 It is a top view of the utility model.

[0021] Figure 5 This is a schematic diagram of the support rod structure in the utility model.

[0022] Figure 6 It is a schematic diagram of the connection relationship between the connecting pipe and the external water pipe in the utility model.

[0023] Figure 7 This is a schematic diagram of the structure of the medium-pressure pipe mechanism of the utility model.

[0024] In the figure: a frame 1, a pipe pressing mechanism 2, a reel outer frame 3, a reel inner tube 4, a water delivery mechanism 5, a support frame 6, and a driving mechanism 7.

[0025] In the water delivery mechanism: connecting pipe 5-1, reel main shaft 5-1, rotating water seal 5-3, external water pipe 5-4;

[0026] In the pipe pressing mechanism: a pressing frame 2-1, a spring 2-2, a blocking frame 2-3, a rotating frame 2-4, and a fixed seat 2-5. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] See attached Figure 1-7 The irrigation pipe reeling and unwinding device disclosed in the utility model is applied to farmland irrigation equipment with hard pipes.

[0029] The winding and unwinding device includes a reel mechanism installed on a frame, and the reel mechanism includes a reel main shaft mounted on the frame 1, and a support frame 6 is arranged on the spoke of the reel main shaft, and the support frame 6 has a reel inner tube 4 and a reel outer frame 3 which are arranged concentrically inside and outside, and also includes a pipe pressing mechanism 2 and a water supply mechanism 5. Both ends of the reel main shaft 5-2 are mounted on the frame 1 through bearing seats, and one free end of the reel main shaft is a sealed end and is movably mounted in the bearing seat, and a transmission gear is sleeved on the end, and the transmission gear is connected to the output shaft end gear of the driving mechanism through a connecting chain, and the transmission is realized by a known sprocket transmission mechanism. The other free end of the reel main shaft is an open end, and the end is connected to a rotating water seal. In this embodiment, see Figure 1 The reel device is a large diameter reel outer frame, and the water pipe is a PE hard pipe. The reel is arranged in the middle of the frame 1 as a whole.

[0030] The pipe pressing mechanism 2 is arranged on one side of the reel outer frame 3, and includes a pressing frame 2-1, a spring 2-2, a retaining frame 2-3, a rotating frame 2-4, and a fixed seat 2-5. The fixed seat 2-5 is arranged on the frame 1, and the two ends of the rotating frame 2-4 are hinged to the fixed seat 2-5. The lower part of the pressing frame 2-1 is connected to the rotating frame 2-4, the upper part of the pressing frame 2-1 is placed in the reel outer frame 3, the middle part of the pressing frame 2-1 is connected to the retaining frame 2-3, and the retaining frame 2-3 contacts the outer side of the reel outer frame 3, which plays a limiting role on the lowest position of the pressing frame 2-1, and avoids excessive spring tension, which makes the pressing force of the pressing frame on the water pipe too large, affecting the smoothness of the water pipe winding and unwinding. The two ends of the retaining frame 2-3 are respectively connected to the spring 2-2, and the other end of the spring 2-2 is fixed to the frame 1 on both sides of the reel outer frame 3.

[0031] As a preferred technical solution: the distance between the lowest position of the pressing frame and the outer circumferential surface of the inner cylinder of the reel is slightly smaller than the outer diameter of the water pipe.

[0032] As a preferred technical solution: in the pipe pressing mechanism, the pressing frame 2-1 is an approximately L-shaped structure, with an obtuse angle between the upper and lower parts, and its upper part extends to the inside of the reel outer frame 3, is placed above the water pipe and contacts the water pipe, and is used to press the water pipe to make the water pipe more flat when rolled up. The width of the pipe pressing is slightly smaller than the width of the reel outer frame, and the pressing frame can press the water pipes at all positions on the width direction of the reel inner tube at the same time without adjusting the horizontal position.

[0033] The water supply mechanism includes a connecting pipe 5-1. The reel main shaft 5-2 is a part of the water supply mechanism, which is a hollow structure. One end of the connecting pipe 5-1 is connected to the reel main shaft 5-2, and the other end of the connecting pipe 5-1 is connected to the water supply pipe wound on the reel inner tube 4. The outer end of the reel main shaft 5-2 is connected to the external water pipe 5-4 through a rotating water seal 5-3 to realize water supply to the spraying pipe in the equipment. Preferably, the connecting pipe 5-1 is an L-shaped metal hard pipe, and a non-slip thread is set at its free end, which is connected to the water supply pipe wound on the reel inner tube 4. The free end of the connecting pipe 5-1 is slightly higher than the outer surface of the reel inner tube 4. The water supply pipe placed at the bottom layer is docked with the free end of the connecting pipe and fixed. The docking position is fixed each time and no adjustment is required.

[0034] As another preferred embodiment, the support frame 6 includes a main frame 6-1 and a sub-frame 6-2, and the main frame 6-1 and the sub-frame 6-2 are inserted together at the joint, as shown in the attached Figure 5 As shown, the auxiliary frame 6-2 is inserted into the main frame 6-1 of the groove structure, and is connected and fixed by a plurality of corresponding bolts and mounting holes, so that the overall length of the support frame can be adjusted.

[0035] The working principle of the utility model is as follows: after the end of the water pipe is butted against the free end of the connecting pipe, the water pipe is wound on the inner cylinder of the reel, and the winding and unwinding of the water pipe is completed by the rotation of the reel mechanism. During the winding and unwinding process of the water pipe, as more and more parts of the water pipe are wound in, the pressing frame rotates upward with the main frame as the axis to achieve the pressing of each layer of the water pipe, thereby ensuring the smoothness and flatness of the water pipe during the winding and unwinding process.

Claims

1. An irrigation pipe winding and unwinding device, comprising a reel mechanism mounted on a frame, the reel mechanism comprising a reel main shaft mounted on the frame, a support frame arranged on spokes sleeved at both ends of the main shaft, and a reel inner cylinder and a reel outer frame arranged concentrically inside and outside the support frame; characterized in that: It also includes a pipe pressing mechanism and a water delivery mechanism; The pipe pressing mechanism is arranged on one side of the reel outer frame, and includes a pressing frame, a blocking frame, a rotating frame, a fixed seat and a spring; the fixed seat is arranged on the frame, and the two ends of the rotating frame are hinged to the fixed seat; the lower part of the pressing frame is connected to the rotating frame, the upper part of the pressing frame is placed in the reel outer frame, the middle part of the pressing frame is connected to the blocking frame, the blocking frame is in contact with the outer side surface of the reel outer frame, the two ends of the blocking frame are respectively connected to the spring, and the other end of the spring is fixed to the frame; The water delivery mechanism includes a connecting pipe; the reel main shaft is a hollow structure, one end of the connecting pipe is connected to the reel main shaft, and the other end of the connecting pipe is connected to the water delivery pipe wound on the reel inner cylinder; the outer end of the reel main shaft is connected to the external water pipe through a rotating water seal.

2. The irrigation pipe winding and unwinding device according to claim 1, characterized in that: In the pipe pressing mechanism, the pressing frame is an L-shaped structure, the upper part of which extends to the inside of the reel outer frame, is placed above the water pipe and contacts the water pipe.

3. The irrigation pipe winding and unwinding device according to claim 1, characterized in that: The support frame includes a main frame and a sub-frame. The main frame and the sub-frame are inserted together at their joints and connected through a plurality of corresponding connecting pieces to achieve adjustable overall length of the support frame.

4. The irrigation pipe winding and unwinding device according to claim 1, characterized in that: The connecting pipe is an L-shaped metal hard pipe, the free end of which is provided with an anti-slip thread and is connected to the water delivery pipe wound on the inner cylinder of the reel.

5. The irrigation pipe winding and unwinding device according to claim 4, characterized in that: The free end of the connecting pipe is slightly higher than the outer surface of the inner cylinder of the reel.

6. The irrigation pipe winding and unwinding device according to claim 1, characterized in that: In the water delivery mechanism, both ends of the reel main shaft are mounted on the frame through bearing seats, one free end of the reel main shaft is a sealed end, a transmission gear is mounted on the end, and the end is connected to the driving mechanism through a connecting piece; the other free end of the reel main shaft is an open end, and the end is connected to a rotating water seal.

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