An alfalfa seed harvest facilitating drying apparatus

Abstract

The utility model relates to agricultural machinery technical field, concretely is a kind of alfalfa seed harvesting dry equipment, including base, the inner side of base is rotatably connected with carrier roller, the top of base is fixedly connected with guide frame, the inner side of guide frame is fixedly connected with hydraulic telescopic link, further include: ventilation device, the inner side of guide frame is slidably connected with the outer side of ventilation device.This equipment is provided with ventilation device, when screw rod rotates, limit sliding plate is driven to slide along the inner wall of shell, the sliding slot of limit sliding plate wall is designed as involute, it is slidably matched with the limit rod of the top of air distribution pipe, so that air distribution pipe slides along involute sliding slot through limit rod, realize air distribution pipe distance equidistance adjustment, can match different width alfalfa grass bundle, ensure that every bundle of grass can correspond to the air supply range of insertion pipe, by setting pressing plate cooperation resistance block, hot air can be avoided from non-operation area ineffective loss, improve energy utilization efficiency.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to an alfalfa seed harvesting and drying device. Background Technology

[0002] Alfalfa seeds are an important source of high-quality forage seeds. After harvesting, they need to be dried to reduce moisture content and prevent mold or decreased germination rate during storage. Currently, alfalfa seeds are often temporarily stored or transported by baling after harvest. However, the high density and poor internal ventilation of baled alfalfa bales pose a significant challenge to drying, thus requiring drying equipment for proper processing.

[0003] In the prior art, for example, Chinese Patent Publication No. CN215930488U discloses a tubular hay bale drying device. Its technical solution includes an airflow guiding and distributing device, a negative pressure suction device, and a heating device. The airflow guiding and distributing device has multiple rows of ventilation pipes arranged at its bottom, and the top of the device is connected to the heating device and the air supply device sequentially via air supply pipes. The negative pressure suction device is located below the ventilation pipes and is connected to the air supply device to form a hot air circulation. This invention uses internal heating of the hay bale to achieve internal air supply, which, combined with negative pressure suction, improves the uniformity of the airflow field and the drying rate within the hay bale.

[0004] Although the above technical solution has the above technical advantages, its disadvantage is that the spacing of the ventilation pipes is fixed and cannot be flexibly adjusted according to the actual width of the alfalfa bales. When facing bales of different sizes, some ventilation pipes are prone to deviating from the bale area and hot air is directly lost from the gaps, resulting in reduced energy utilization. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an alfalfa seed harvesting and drying device, which solves the problem that the spacing of the ventilation pipes in existing technologies is not adjustable and cannot be flexibly adjusted according to the actual width of the alfalfa bales.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an alfalfa seed harvesting and drying device, comprising a base, with a roller rotatably connected to the inner side of the base for conveying baled alfalfa bales, a guide frame fixedly connected to the top of the base, and a hydraulic telescopic rod fixedly connected to the inner side of the guide frame; further comprising: a ventilation device, the outer side of which is slidably connected to the inner side of the guide frame; the ventilation device comprising a housing, a hot air blower fixedly connected to the top of the housing, a hose fixedly connected to the output end of the hot air blower, an air distribution pipe fixedly connected to the bottom end of the hose, an air guiding component fixedly connected to the bottom of the air distribution pipe, a lead screw rotatably connected to the inner side of the housing, a limiting slide plate threadedly connected to the outer wall of the lead screw, and a limiting rod fixedly connected to the top of the air distribution pipe; the lead screw is driven to rotate by a motor, and when the lead screw rotates, it can drive the limiting slide plate to slide along the inner wall of the housing, thereby achieving the purpose of adjusting the position of the air distribution pipe by the limiting slide plate and the limiting rod;

[0007] The air guiding component includes an air vent shell, with an insertion tube fixedly connected to the bottom of the air vent shell. Ventilation holes are provided on the side wall of the air vent shell. When the hot air blower is turned on, the hot air blower delivers hot air to the air distribution pipe through a flexible hose. The hot air delivered by the air distribution pipe can enter the insertion tube through the internal channel of the air vent shell and be blown directly into the alfalfa bale from the ventilation holes on the side wall of the insertion tube.

[0008] Preferably, the bottom end of the hydraulic telescopic rod is fixedly connected to the top of the housing, and the outer side of the housing is slidably connected to the inner side of the guide frame. All hydraulic telescopic rods are controlled by a synchronous valve to achieve linkage control of the telescopic amount and telescopic speed, ensuring that the ventilation device can be raised and lowered smoothly.

[0009] Preferably, the top of the air distribution pipe is slidably connected to the inner side of the housing, and the air distribution pipe is linearly arranged along the inner side of the housing. The two sides of the limiting slide plate are slidably connected to the inner wall of the housing. The inner wall of the limiting slide plate is slidably connected to the outer side of the limiting rod through a sliding groove. The sliding groove is opened in the wall of the limiting slide plate. The sliding groove opened in the wall of the limiting slide plate is of an involute design. It slides in cooperation with the limiting rod at the top of the air distribution pipe, so that the air distribution pipe slides along the involute sliding groove through the limiting rod, thereby realizing the equal-distance adjustment of the air distribution pipe spacing.

[0010] Preferably, the top of the vent housing is fixedly connected to the bottom of the air distribution pipe, a sliding frame is slidably connected to the inner wall of the vent housing, a pressure plate is fixedly connected to the bottom of the sliding frame, a flow-blocking block is fixedly connected to the center of the sliding frame, the bottom end of the flow-blocking block is inserted into the top end of the insertion tube, and when the sliding frame slides along the inner wall of the vent housing, the flow-blocking block moves together with the sliding frame and can be dislodged from the top end of the insertion tube.

[0011] Preferably, the inner side of the sliding frame is slidably connected to the outer wall of the insertion tube, and a tension spring is fixedly connected to the inner side of the sliding frame. The bottom end of the tension spring is fixedly connected to the inner wall of the vent shell. When the sliding frame slides along the inner wall of the vent shell, it can force the tension spring to be compressed.

[0012] The beneficial effects of this utility model are as follows:

[0013] (i) The device is equipped with a ventilation device. When the lead screw rotates, it drives the limiting slide plate to slide along the inner wall of the shell. The sliding groove opened in the wall of the limiting slide plate is an involute design. It slides and cooperates with the limiting rod at the top of the air distribution pipe, so that the air distribution pipe slides along the involute sliding groove through the limiting rod, realizing the equal adjustment of the spacing of the air distribution pipe. It can match alfalfa bales of different widths and ensure that each bale of hay can correspond to the air supply range of the inserted pipe.

[0014] (ii) This device, through the installation of a pressure plate, causes a flow-blocking block to move along with the sliding frame and detach from the top of the insertion tube when the pressure plate contacts the top of the alfalfa bale due to the reaction force of the bale. Hot air can then enter the insertion tube through the internal channel of the ventilation shell and be blown into the alfalfa bale through the ventilation holes. However, in the air guiding components not inserted into the alfalfa bale, the pressure plate is not subjected to reaction force, and the flow-blocking block continuously blocks the top of the insertion tube, preventing hot air from entering. This avoids ineffective loss of hot air from non-working areas and improves energy efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the ventilation device of this utility model;

[0018] Figure 4 This is a schematic diagram of the air guiding component of this utility model.

[0019] In the diagram: 1. Base; 2. Idler roller; 3. Guide frame; 4. Hydraulic telescopic rod; 5. Ventilation device; 51. Housing; 52. Hot air blower; 53. Hose; 54. Air distribution pipe; 55. Air guiding assembly; 56. Lead screw; 57. Limiting slide plate; 58. Slide groove; 59. Limiting rod; 551. Ventilation shell; 552. Sliding frame; 553. Flow blocking block; 554. Tension spring; 555. Pressure plate; 556. Insert pipe; 557. Ventilation hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Please refer to Figure 1-4 This utility model provides a technical solution: an alfalfa seed harvesting and drying device, including a base 1, a roller 2 rotatably connected to the inner side of the base 1, a guide frame 3 fixedly connected to the top of the base 1, a hydraulic telescopic rod 4 fixedly connected to the inner side of the guide frame 3, and also including: a ventilation device 5, the outer side of the ventilation device 5 being slidably connected to the inner side of the guide frame 3, the roller 2 being used to transport the baled alfalfa bales, and all the hydraulic telescopic rods 4 being controlled by a synchronous valve to achieve linkage control of the extension amount and extension speed, ensuring that the ventilation device 5 can be raised and lowered smoothly.

[0022] The ventilation device 5 includes a housing 51. A hot air blower 52 is fixedly connected to the top of the housing 51. A hose 53 is fixedly connected to the output end of the hot air blower 52. An air distribution pipe 54 is fixedly connected to the bottom end of the hose 53. An air guide assembly 55 is fixedly connected to the bottom of the air distribution pipe 54. A lead screw 56 is rotatably connected to the inner side of the housing 51. A limiting slide plate 57 is threadedly connected to the outer wall of the lead screw 56. A limiting rod 59 is fixedly connected to the top of the air distribution pipe 54. The bottom end of the hydraulic telescopic rod 4 is fixedly connected to the top of the housing 51. The outer side of the housing 51 is slidably connected to the inner side of the guide frame 3. The top of the air distribution pipe 54 is slidably connected to the inner side of the housing 51, and the air distribution pipe 54 is linearly arranged along the inner side of the housing 51. The two sides of the limiting slide plate 57 are connected to... The inner wall of the housing 51 is slidably connected, and the inner wall of the limiting slide plate 57 is slidably connected to the outer side of the limiting rod 59 through the sliding groove 58. The sliding groove 58 is opened in the wall of the limiting slide plate 57. The alfalfa bales are transported to the air supply device 5 directly below by the roller 2. Then, the screw 56 is driven to rotate by the motor. When the screw 56 rotates, it drives the limiting slide plate 57 to slide along the inner wall of the housing 51. The sliding groove 58 opened in the wall of the limiting slide plate 57 is an involute design. It slides in cooperation with the limiting rod 59 at the top of the air distribution pipe 54, so that the air distribution pipe 54 slides along the involute sliding groove 58 through the limiting rod 59. This allows for equal adjustment of the spacing of the air distribution pipes 54, which can match alfalfa bales of different widths and ensure that each bale can correspond to the air supply range of the insertion tube 556.

[0023] The air guiding assembly 55 includes a vent housing 551, with an insertion tube 556 fixedly connected to the bottom of the vent housing 551. Ventilation holes 557 are provided on the side wall of the vent housing 551. The top of the vent housing 551 is fixedly connected to the bottom of the air distribution pipe 54. A sliding frame 552 is slidably connected to the inner wall of the vent housing 551. A pressure plate 555 is fixedly connected to the bottom of the sliding frame 552. A flow-blocking block 553 is fixedly connected to the center of the sliding frame 552. The bottom end of the flow-blocking block 553 is connected to the insertion tube 556. The top of tube 556 is inserted, and the inner side of the sliding frame 552 is slidably connected to the outer wall of the tube 556. A tension spring 554 is fixedly connected to the inner side of the sliding frame 552, and the bottom end of the tension spring 554 is fixedly connected to the inner wall of the ventilation shell 551. After adjusting the position of the air distribution tube 54, the hydraulic telescopic rod 4 drives the ventilation device 5 to slide downward along the inner side of the guide frame 3, so that the tube 556 in the air guiding assembly 55 is inserted into the alfalfa bale. When the pressure plate 555 contacts the alfalfa bale... When the alfalfa bale is at the top, the sliding frame 552 slides along the inner wall of the ventilation shell 551 under the reaction force of the bale, forcing the tension spring 554 to be compressed. At this time, the flow-blocking block 553 moves with the sliding frame 552 and disengages from the top of the insertion tube 556. The hot air blower 52 is then activated, delivering hot air through the hose 53 to the air distribution pipe 54. The hot air delivered by the air distribution pipe 54 can enter the insertion tube 556 through the internal channel of the ventilation shell 551, and... Hot air is blown directly into the alfalfa bale through the ventilation hole 557 on the side wall of the insertion tube 556, achieving deep hot air delivery. In the air guide component 55 that is not inserted into the alfalfa bale, the pressure plate 555 is not subjected to reaction force, the sliding frame 552 maintains its initial position under the restoring force of the tension spring 554, and the flow blocking block 553 continuously blocks the top of the insertion tube 556. Therefore, hot air cannot enter the insertion tube 556, which can prevent hot air from being ineffectively lost from non-working areas and improve energy utilization efficiency.

[0024] Working principle: During use, the base 1 provides stable support for the equipment, the idler roller 2 is used to transport the baled alfalfa bales, and all hydraulic telescopic rods 4 are controlled by a synchronous valve to achieve linkage control of the telescopic amount and telescopic speed, ensuring that the ventilation device 5 can be raised and lowered smoothly.

[0025] First, the alfalfa bales are transported to the air supply device 5 directly below by the roller 2. Then, the motor drives the lead screw 56 to rotate. When the lead screw 56 rotates, it drives the limiting slide plate 57 to slide along the inner wall of the housing 51. The slide groove 58 opened in the wall of the limiting slide plate 57 is of the progressive opening design. It slides and cooperates with the limiting rod 59 at the top of the air distribution pipe 54, so that the air distribution pipe 54 slides along the progressive opening slide groove 58 through the limiting rod 59. This allows for equal adjustment of the spacing of the air distribution pipes 54, which can match alfalfa bales of different widths and ensure that each bale can correspond to the air supply range of the insertion tube 556.

[0026] After adjusting the position of the air distribution pipe 54, the hydraulic telescopic rod 4 drives the ventilation device 5 to slide downwards along the inner side of the guide frame 3, causing the insertion tube 556 in the air guiding assembly 55 to be inserted into the alfalfa bale. When the pressure plate 555 contacts the top of the alfalfa bale, under the reaction force of the alfalfa bale, the sliding frame 552 slides along the inner wall of the ventilation shell 551, forcing the tension spring 554 to be compressed. At this time, the flow blocking block 553 moves together with the sliding frame 552 and disengages from the top of the insertion tube 556. At this time, the hot air blower 52 is started, and the hot air blower 52 delivers hot air to the air distribution pipe through the hose 53. Inside the pipe 54, the hot air delivered by the air distribution pipe 54 can enter the insertion pipe 556 through the internal channel of the vent shell 551, and be blown directly into the alfalfa bale from the ventilation hole 557 opened on the side wall of the insertion pipe 556, realizing deep hot air delivery. In the air guiding component 55 that is not inserted into the alfalfa bale, the pressure plate 555 is not subjected to reaction force, the sliding frame 552 maintains its initial position under the restoring force of the tension spring 554, and the flow blocking block 553 continuously blocks the top of the insertion pipe 556, so the hot air cannot enter the insertion pipe 556, which can prevent the hot air from being ineffectively lost from the non-working area and improve energy utilization efficiency.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An alfalfa seed harvesting and drying device, comprising a base (1), wherein a roller (2) is rotatably connected to the inner side of the base (1), a guide frame (3) is fixedly connected to the top of the base (1), and a hydraulic telescopic rod (4) is fixedly connected to the inner side of the guide frame (3), characterized in that, Also includes: Ventilation device (5), the outer side of which is slidably connected to the inner side of guide frame (3); The ventilation device (5) includes a housing (51), a hot air blower (52) is fixedly connected to the top of the housing (51), a hose (53) is fixedly connected to the output end of the hot air blower (52), an air distribution pipe (54) is fixedly connected to the bottom end of the hose (53), an air guide assembly (55) is fixedly connected to the bottom of the air distribution pipe (54), a lead screw (56) is rotatably connected to the inner side of the housing (51), a limit plate (57) is threadedly connected to the outer wall of the lead screw (56), and a limit rod (59) is fixedly connected to the top of the air distribution pipe (54). The air guiding assembly (55) includes an air vent (551), the bottom of which is fixedly connected to a tube (556), and the side wall of the air vent (551) is provided with a ventilation hole (557).

2. The alfalfa seed harvesting and drying equipment according to claim 1, characterized in that: The bottom end of the hydraulic telescopic rod (4) is fixedly connected to the top of the housing (51), and the outer side of the housing (51) is slidably connected to the inner side of the guide frame (3).

3. The alfalfa seed harvesting and drying equipment according to claim 1, characterized in that: The top of the air distribution pipe (54) is slidably connected to the inner side of the housing (51), and the air distribution pipe (54) is linearly arranged along the inner side of the housing (51). The two sides of the limiting slide plate (57) are slidably connected to the inner wall of the housing (51).

4. The alfalfa seed harvesting and drying equipment according to claim 1, characterized in that: The inner wall of the limiting slide plate (57) is slidably connected to the outer side of the limiting rod (59) through the slide groove (58), and the slide groove (58) is opened in the wall of the limiting slide plate (57).

5. The alfalfa seed harvesting and drying equipment according to claim 1, characterized in that: The top of the vent housing (551) is fixedly connected to the bottom of the air distribution pipe (54). A sliding frame (552) is slidably connected to the inner wall of the vent housing (551). A pressure plate (555) is fixedly connected to the bottom of the sliding frame (552). A flow-blocking block (553) is fixedly connected to the center of the sliding frame (552). The bottom end of the flow-blocking block (553) is inserted into the top end of the insertion tube (556).

6. The alfalfa seed harvesting and drying equipment according to claim 5, characterized in that: The inner side of the sliding frame (552) is slidably connected to the outer wall of the insertion tube (556), and a tension spring (554) is fixedly connected to the inner side of the sliding frame (552). The bottom end of the tension spring (554) is fixedly connected to the inner wall of the vent shell (551).

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