Intelligent transportation device special for agricultural products

Abstract

The invention discloses an intelligent transportation device special for agricultural products, and belongs to the related technical field of agricultural product conveyors, the intelligent transportation device comprises a base and a mounting rack, the mounting rack is arranged above the base, a cleaning mechanism, an auxiliary mechanism and a cleaning assembly are arranged in the mounting rack, and the cleaning mechanism comprises a first shell mounted in the mounting rack; and a first motor is mounted in the first shell. A first motor in the cleaning mechanism drives a first threaded rod to rotate, a threaded pipe and an auxiliary mechanism are driven to stably move in the direction of a first limiting groove, and the self-cleaning function of the surface of the conveying belt is achieved; the cleaning brush on the movable plate can be driven to be tightly attached to the surface of the conveying belt, appropriate pressure can be kept through the elastic acting force of the spring even if the conveying belt is slightly concave and convex, all-directional cleaning is guaranteed, the cleaning effect is thorough, adaptability is high, and the dual protection effect of equipment and agricultural products is achieved.

Description

Technical Field

[0001] This invention relates to the technical field of agricultural product conveyors, and in particular to an intelligent transportation device specifically designed for agricultural products. Background Technology

[0002] Agricultural products generally refer to goods obtained through agricultural production activities such as planting and animal husbandry. This includes common grain crops such as sorghum, rice, peanuts, corn, and wheat, as well as local specialties produced based on regional characteristics. According to national regulations, "primary agricultural products" specifically refer to plants, animals, and their natural products directly obtained through agricultural activities, such as fresh vegetables, live poultry, raw grains, and fresh eggs. This does not include various processed products that have undergone grinding, pickling, refining, or other processing techniques. In market circulation, primary agricultural products are the source of the agricultural product supply chain, mainly distributed through wholesale markets at the place of origin, farmers' markets, and fresh food e-commerce platforms. The products flow to end consumers through platforms and other channels, satisfying their direct demand for fresh ingredients. They also serve as core raw materials for food processing, feed production, and pharmaceutical raw material extraction, entering the production stages of downstream industries. Their market price is significantly affected by factors such as season, climate, yield, and transportation costs. In recent years, with the promotion of models such as "farm-to-supermarket" and "direct supply from production areas," not only has the distribution chain been shortened and intermediate costs reduced, but high-quality primary agricultural products have also been able to more efficiently meet market demand. Meanwhile, green and organic primary agricultural products, aligning with healthy consumption trends, are seeing a continuous increase in market recognition and added value.

[0003] However, existing intelligent transportation devices for agricultural products are prone to leakage of juice from fruits due to bumps and knocks during transport. The fructose in the leaked juice adheres heavily to the conveyor belt surface, significantly increasing the difficulty of cleaning. Fructose is sticky and easily forms stubborn stains after drying, requiring frequent cleaning with specialized cleaning agents and tools. This consumes manpower and resources, reduces transportation efficiency due to downtime for cleaning, and the residue on the conveyor belt makes it easier for subsequent transported fruits to stick to it. The stuck juice further contaminates other intact fruits, accelerating mold and decay, and reducing the freshness and commercial value of agricultural products. Summary of the Invention

[0004] The purpose of this invention is to solve the problem in the prior art that the fructose contained in the juice of fruit products will adhere to the surface of the conveyor belt in large quantities. Fructose is highly sticky and easily forms stubborn stains after drying, which increases the difficulty of cleaning the conveyor belt and makes it easier for subsequent transported fruits to stick to it. The stuck juice will further contaminate other intact fruits, accelerate fruit mold and rot, and reduce the freshness and commercial value of agricultural products. Therefore, this invention proposes an intelligent transportation device specifically for agricultural products.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A smart transportation device for agricultural products includes a base and a mounting frame. The mounting frame is positioned above the base. The mounting frame contains a cleaning mechanism, an auxiliary mechanism, and cleaning components. The cleaning mechanism includes a first outer shell installed inside the mounting frame. A first motor is installed inside the first outer shell. The output end of the first motor is connected to a first threaded rod. A threaded tube is threadedly connected to the outer surface of the first threaded rod. Two first sliding blocks are connected to the outer surface of the threaded tube. A first limiting groove adapted to the two first sliding blocks is formed inside the first outer shell. The auxiliary mechanism includes a second outer shell installed at the top of the threaded tube.

[0006] Preferably, a plurality of telescopic rods are installed inside the second housing, and a spring is fitted on the outer surface of each telescopic rod. The telescopic ends of the plurality of telescopic rods are connected to a movable plate. A cleaning brush is installed on the upper surface of the movable plate, and a connecting block is connected to the outer surface of the second housing.

[0007] Preferably, the cleaning assembly includes a water tank and a pump body installed inside the mounting frame. The outlet of the water tank is connected to a connecting pipe, and the end of the connecting pipe away from the water tank is connected to the input end of the pump body. The output end of the pump body is connected to a flexible hose.

[0008] Preferably, the end of the hose away from the pump body passes through the connecting block and comes into contact with the cleaning brush. Two fixing brackets are installed inside the water storage tank, and a filter plate is snapped into the interior of the two fixing brackets.

[0009] Preferably, the upper surface of the base is connected to a pad and a support frame, and the upper surface of the base is provided with an adjustment mechanism. The adjustment mechanism includes a second motor installed on the upper surface of the pad, and the output end of the second motor is connected to a second threaded rod.

[0010] Preferably, the end of the second threaded rod away from the second motor is rotatably connected to the inside of the support frame, the outer surface of the second threaded rod is threadedly connected to a threaded sleeve, the outer surface of the threaded sleeve is connected to a second sliding block and a first hinge seat, and the inside of the base is provided with a second limiting groove that matches the second sliding block.

[0011] Preferably, a connecting rod is rotatably connected inside the first hinge seat, and a second hinge seat is mounted on the bottom surface of the mounting bracket, with the end of the connecting rod away from the first hinge seat rotatably connected inside the second hinge seat.

[0012] Preferably, the upper surface of the support frame is connected to a mounting base, and a rotating block is rotatably connected inside the mounting base. The end of the rotating block away from the mounting base is connected to the left side of the mounting frame.

[0013] Preferably, a controller and a support plate are mounted on the outer surface of the mounting frame, a third motor is mounted on the upper surface of the support plate, and the output end of the third motor passes through the mounting frame and is connected to a conveying mechanism.

[0014] Preferably, the outer surface of the water tank is equipped with a liquid level scale window, the upper surface of the water tank is connected to a water inlet pipe, and the bottom surface of the base is equipped with four casters.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This intelligent transportation device for agricultural products uses a first motor in the cleaning mechanism to drive the first threaded rod to rotate, which in turn drives the threaded tube and auxiliary mechanism to move stably along the direction of the first limiting groove. This achieves a self-cleaning function on the conveyor belt surface, eliminating the need for manual wiping, reducing manpower input, and avoiding disruption to transportation continuity due to cleaning downtime. The elastic buffer structure formed by the telescopic rod and spring in the auxiliary mechanism allows the cleaning brush on the movable plate to fit tightly against the conveyor belt surface. Even when facing slight bumps in the conveyor belt, the elastic force of the spring maintains appropriate pressure, ensuring all-round cleaning. The cleaning effect is thorough and highly adaptable. It also avoids hard contact between the cleaning brush and the conveyor belt, reducing equipment wear and extending service life. At the same time, the efficient removal of juice residue prevents subsequent fruit from sticking and getting stuck, reduces the risk of bumps and collisions, and avoids cross-contamination, achieving a dual protection effect for both the equipment and the agricultural products.

[0016] 2. This intelligent transportation device specifically designed for agricultural products comprises a water tank, pump, and hose within the cleaning components, forming a complete water supply structure. The pump precisely delivers cleaning water to the cleaning brushes via the hoses, allowing the brushes to soften stubborn fructose stains on the conveyor belt surface with the help of the water flow. Combined with mechanical wiping, this creates a wet-dry cleaning mode, effectively preventing fruit sticking and contamination caused by residual stains. Simultaneously, a filter plate secured to the water tank via a fixed bracket filters impurities from the injected water source, ensuring water cleanliness. The flexible hose allows for easy adjustment as it moves with the auxiliary mechanisms, preventing pipe breakage and ensuring a stable water supply. The filter plate, secured by the fixed bracket, is easy to disassemble and maintain. Furthermore, the cleaning components, cleaning mechanism, and auxiliary mechanisms work together to form an integrated cleaning system, significantly improving cleaning continuity.

[0017] 3. This intelligent transportation device for agricultural products uses a second motor in the adjustment mechanism to drive the second threaded rod to rotate, causing the threaded sleeve to move stably along the second limiting groove. The threaded sleeve then pulls or pushes the connecting rod with the help of the first hinge seat, which in turn drives the mounting frame to adjust the angle. This allows control of the mounting frame's tilt angle, enabling the adjustment of the conveying slope according to the different fruits' damage tolerance to control the transportation speed and avoid collisions. It can also adapt to loading and unloading equipment of different heights, meeting diverse needs and improving the equipment's versatility. The cooperation between the second sliding block on the threaded sleeve and the second limiting groove provides stable guidance for the movement of the threaded sleeve, preventing deviation and swaying. The linkage structure formed by the first and second hinge seats and the connecting rod smoothly converts linear motion into angular rotation, avoiding jerking or excessive tilting during adjustment, ensuring stable fruit transportation and reducing damage from falling fruit. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the internal structure of the present invention; Figure 2 This is a rear view of the present invention; Figure 3 This is a right view of the present invention; Figure 4 This is a schematic diagram of the internal structure of the cleaning mechanism in this invention; Figure 5 This is a schematic diagram of the internal structure of the auxiliary mechanism in this invention; Figure 6 This is a schematic diagram of the internal structure of the cleaning component in this invention; Figure 7 This is a left view of the adjusting mechanism in this invention; Figure 8 This is a right view of the adjusting mechanism in this invention.

[0019] In the diagram: 1. Base; 2. Mounting bracket; 3. Cleaning mechanism; 301. First outer shell; 302. First motor; 303. First threaded rod; 304. Threaded pipe; 305. First sliding block; 306. First limiting groove; 4. Auxiliary mechanism; 401. Second outer shell; 402. Telescopic rod; 403. Spring; 404. Movable plate; 405. Connecting block; 406. Cleaning brush; 5. Cleaning assembly; 501. Water tank; 502. Pump body; 503. Connecting pipe; 504. Hose; 50 5. Fixing frame; 506. Filter plate; 6. Pad; 7. Adjusting mechanism; 701. Second motor; 702. Second threaded rod; 703. Threaded sleeve; 704. First hinge seat; 705. Connecting rod; 706. Second hinge seat; 707. Second sliding block; 8. Support frame; 9. Second limiting groove; 10. Mounting seat; 11. Rotating block; 12. Liquid level scale window; 13. Water inlet pipe; 14. Bearing plate; 15. Third motor; 16. Conveying mechanism; 17. Casters; 18. Controller. Detailed Implementation

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

[0021] Example, refer to Figure 1-8A smart transportation device specifically for agricultural products includes a base 1 and a mounting frame 2. The base 1 serves as the fundamental load-bearing component, primarily providing stable support for the entire device and offering a robust mounting platform for the mounting frame 2, adjustment mechanism 7, and other upper structures. This ensures the device does not shift or shake due to vibration or stress during operation. The mounting frame 2 secures key components such as the cleaning mechanism 3, auxiliary mechanism 4, cleaning components 5, and conveying mechanism 16, integrating these functional modules into a cohesive whole and providing structural support for the coordinated operation of each component. Positioned above the base 1, the mounting frame 2 houses a cleaning mechanism 3, an auxiliary mechanism 4, and a cleaning component 5. The cleaning mechanism 3 includes a first housing 301 installed inside the mounting frame 2. A first motor 302 is installed inside the first housing 301. The first motor 302 is the power source for the cleaning mechanism 3, providing driving force to a first threaded rod 303 through its rotational motion at its output end. This drives subsequent components to perform the cleaning action, making it the core power component for achieving the cleaning function. The output end of the first motor 302 is connected to the first threaded rod 303, and the outer surface of the first threaded rod 303... A threaded tube 304 is connected to the threaded connection. Two first sliding blocks 305 are connected to the outer surface of the threaded tube 304. A first limiting groove 306, adapted to the two first sliding blocks 305, is opened inside the first outer shell 301. The extending direction of the first limiting groove 306 is parallel to the central axis of the first threaded rod 303. The first limiting groove 306 provides a moving track for the first sliding blocks 305, constraining the movement trajectory of the threaded tube 304 through its cooperation with the first sliding blocks 305. When the first motor 302 reciprocates, it drives the first threaded rod 303 to reciprocate within the threaded tube 304, causing... The threaded tube 304 and the first sliding block 305 slide back and forth along the extension direction of the first limiting groove 306 under the limiting action of the first limiting groove 306; making the movement of the threaded tube 304 more stable and smooth, avoiding problems such as deviation and jamming. The auxiliary mechanism 4 includes a second outer shell 401 installed at the top of the threaded tube 304. The second outer shell 401 serves as the mounting carrier of the auxiliary mechanism 4, used to fix internal components such as the telescopic rod 402, and connects to the threaded tube 304 to realize the linkage between the auxiliary mechanism 4 and the cleaning mechanism 3, ensuring that the cleaning brush 406 moves synchronously with the threaded tube 304.

[0022] Furthermore, multiple telescopic rods 402 are installed inside the second outer shell 401. Each telescopic rod 402 has a spring 403 fitted on its outer surface. The spring 403 uses its own elastic potential energy to provide a continuous upward thrust to the movable plate 404, so that the cleaning brush 406 is always in close contact with the surface of the conveyor belt, ensuring the cleaning effect. At the same time, it plays a buffering role, avoiding hard contact between the cleaning brush 406 and the conveyor belt, and reducing wear on both. The telescopic ends of the multiple telescopic rods 402 are connected to the movable plate 404. The cleaning brush 406 is installed on the upper surface of the movable plate 404. A connecting block 405 is connected to the outer surface of the second outer shell 401.

[0023] Furthermore, the cleaning component 5 includes a water storage tank 501 and a pump body 502 installed inside the mounting frame 2. The water storage tank 501 serves as a storage container for cleaning water, primarily used to store the water required for cleaning the conveyor belt, providing a continuous water supply for the cleaning brush 406, ensuring that the wet and dry cleaning process is not interrupted due to water shortage. The pump body 502, through its own suction action, pressurizes the cleaning water in the water storage tank 501 and delivers it to subsequent pipelines, providing power for the flow of cleaning water. The outlet of the water storage tank 501 is connected to a connecting pipe 503, and the end of the connecting pipe 503 away from the water storage tank 501 is connected to the input end of the pump body 502. The output end of the pump body 502 is connected to a flexible hose 504. The end of the hose 504 away from the pump body 502 passes through the connecting block 405 and then contacts the cleaning brush 406. The connecting block 405 provides a passage for the hose 504 of the cleaning component 5, allowing the hose 504 to deliver cleaning water to the cleaning brush 406, ensuring the realization of dry and wet cleaning. The water tank 501 has two fixing brackets 505 installed inside, and the filter plate 506 is connected inside the two fixing brackets 505. The filter plate 506 is responsible for water filtration and purification. When external water is added to the water tank 501, the filter plate 506 can intercept impurities and other dirt in the water, preventing dirt from entering the pump body 502 with the cleaning water and causing blockage, and ensuring the cleanliness of the cleaning water.

[0024] Furthermore, a pad 6 and a support frame 8 are connected to the upper surface of the base 1. The pad 6 serves as the mounting base for the second motor 701, raising its installation height to provide suitable space for the engagement and transmission of the second threaded rod 702 and the threaded sleeve 703. This also ensures the second motor 701 is securely installed, reducing vibration during operation. An adjustment mechanism 7 is provided on the upper surface of the base 1. The adjustment mechanism 7 includes the second motor 701 mounted on the upper surface of the pad 6. The second motor 701 is the power source for the adjustment mechanism 7. The output end of the second motor 701 is connected to the second threaded rod 702. The end of 702 away from the second motor 701 is rotatably connected to the inside of the support frame 8. The outer surface of the second threaded rod 702 is threadedly connected to a threaded sleeve 703. The outer surface of the threaded sleeve 703 is connected to a second sliding block 707 and a first hinge seat 704. The inside of the base 1 is provided with a second limiting groove 9 that matches the second sliding block 707. The second sliding block 707 and the second limiting groove 9 work together to guide and prevent rotation, which can limit the threaded sleeve 703 from rotating with the second threaded rod 702, ensuring that the threaded sleeve 703 only makes a smooth linear movement along the axial direction of the second threaded rod 702, thus ensuring the stability of the angle adjustment.

[0025] Furthermore, a connecting rod 705 is rotatably connected inside the first hinge seat 704, and a second hinge seat 706 is installed on the bottom surface of the mounting frame 2. One end of the connecting rod 705 away from the first hinge seat 704 is rotatably connected inside the second hinge seat 706. A mounting seat 10 is connected to the upper surface of the support frame 8, and a rotating block 11 is rotatably connected inside the mounting seat 10. One end of the rotating block 11 is rotatably connected to the mounting seat 10, and the other end is fixed to the left side of the mounting frame 2, forming the rotation axis of the mounting frame 2, so that the mounting frame 2 can rotate smoothly around this point, ensuring the structural stability of the mounting frame 2 during angle adjustment. The end of the rotating block 11 away from the mounting seat 10 is connected to the left side of the mounting frame 2.

[0026] Furthermore, a controller 18 and a support plate 14 are installed on the outer surface of the mounting frame 2. A third motor 15 is installed on the upper surface of the support plate 14. The output end of the third motor 15 passes through the mounting frame 2 and is connected to a transmission mechanism 16. A liquid level scale window 12 is installed on the outer surface of the water tank 501. The liquid level scale window 12 facilitates observation of the liquid level inside the water tank 501 for timely replenishment. A water inlet pipe 13 is connected to the upper surface of the water tank 501. Four casters 17 are installed on the bottom surface of the base 1.

[0027] The working principle of this invention is as follows: First, after the equipment is started, the operator triggers the third motor 15 on the support plate 14 to operate through the controller 18. The output end of the third motor 15 passes through the mounting frame 2 and drives the conveyor mechanism 16 to start. Fruit products are continuously transported from feeding to discharging through the conveyor belt of the conveyor mechanism 16. Four casters 17 installed at the bottom of the base 1 can flexibly change the overall position of the equipment, facilitating quick connection with upstream and downstream production equipment. When juice seeps out from the surface of the conveyor mechanism 16 due to fruit bumps, forming sticky stains, the controller 18 activates the cleaning mechanism 3 and cleaning component 5 to work together. The first motor 302 inside the first housing 301 drives the first threaded rod 303 to rotate. The threaded tube 304, under the guidance and constraint of the two first sliding blocks 305 and the first limiting groove 306, moves smoothly along the axial direction of the first threaded rod 303, simultaneously driving the auxiliary mechanism 4 at the top to move. During the movement of the second housing 401 of the auxiliary mechanism 4, multiple telescopic rods 402 with springs 403 inside push the movable plate 404 upward with elastic potential energy, so that the cleaning brush 406 closely adheres to the surface of the conveyor belt for mechanical wiping. At the same time, the pump body 502 draws cleaning water from the water tank 501 through the connecting pipe 503 and delivers it to the cleaning brush 406 through the hose 504 passing through the connecting block 405. The system achieves a synergistic cleaning effect, combining the softening of stains with the physical removal by a brush. The filter plate 506, which is secured by a fixing bracket 505 inside the water tank 501, can intercept impurities in the water, ensuring a clean water supply. Operators can observe the water level in real time through the liquid level scale window 12 on the outer surface and replenish clean water in a timely manner through the water inlet pipe 13. If it is necessary to adjust the conveying speed and adapt to different docking heights according to the characteristics of the fruit, the second motor 701 in the adjustment mechanism 7 can be activated by the controller 18 to drive the second threaded rod 702 to rotate in the support frame 8. The threaded sleeve 703 moves linearly along the threaded rod under the guidance of the second sliding block 707 and the second limiting groove 9. The connecting rod 705 is pulled or pushed by the first hinge seat 704. The other end of the connecting rod 705 drives the mounting frame 2 to rotate around the mounting seat 10 and the rotating block 11 as the axis of rotation through the second hinge seat 706, thereby facilitating the adjustment of the tilt angle of the conveying mechanism 16. After adjustment, the self-locking characteristic of the threaded pair is used to fix the current angle, ensuring a stable and reliable transportation process.

[0028] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A smart transportation device for agricultural products, comprising a base (1) and a mounting frame (2), wherein the mounting frame (2) is disposed above the base (1), and the mounting frame (2) is provided with a cleaning mechanism (3) and an auxiliary mechanism (4) inside, characterized in that, The cleaning mechanism (3) includes a first housing (301) installed inside the mounting bracket (2), a first motor (302) installed inside the first housing (301), a first threaded rod (303) connected to the output end of the first motor (302), a threaded tube (304) threadedly connected to the first threaded rod (303), two first sliding blocks (305) connected to the outer surface of the threaded tube (304), and a first limiting groove (306) adapted to the two first sliding blocks (305) opened inside the first housing (301). The auxiliary mechanism (4) includes a second housing (401) installed at the top of the threaded tube (304). Multiple telescopic rods (402) are installed inside the second housing (401). A spring (403) is sleeved on the outer surface of each telescopic rod (402). The telescopic ends of the multiple telescopic rods (402) are connected to a movable plate (404). A cleaning brush (406) is installed on the upper surface of the movable plate (404). A connecting block (405) is connected to the second housing (401).

2. The intelligent transportation device for agricultural products according to claim 1, characterized in that, The mounting bracket (2) is also equipped with a cleaning component (5). The cleaning component (5) includes a water tank (501) and a pump body (502) installed inside the mounting bracket (2). The outlet of the water tank (501) is connected to a connecting pipe (503). The end of the connecting pipe (503) away from the water tank (501) is connected to the input end of the pump body (502). The output end of the pump body (502) is connected to a flexible hose (504).

3. The intelligent transportation device for agricultural products according to claim 2, characterized in that, The end of the hose (504) away from the pump body (502) passes through the connecting block (405) and is positioned directly opposite the cleaning brush (406) to guide water to the cleaning brush (406). Two fixing brackets (505) are installed inside the water storage tank (501), and the two fixing brackets (505) are connected together to the filter plate (506).

4. The intelligent transportation device for agricultural products according to claim 1, characterized in that, The base (1) is provided with a pad (6), an adjustment mechanism (7) and a support frame (8). The adjustment mechanism (7) includes a second motor (701) mounted on the pad (6), and the output end of the second motor (701) is connected to a second threaded rod (702).

5. The intelligent transportation device for agricultural products according to claim 4, characterized in that, The end of the second threaded rod (702) away from the second motor (701) is rotatably connected to the inner wall of the support frame (8). The second threaded rod (702) is threadedly connected to a threaded sleeve (703). The outer surface of the threaded sleeve (703) is connected to a second sliding block (707) and a first hinge seat (704). The base (1) is provided with a second limiting groove (9) that is adapted to the second sliding block (707).

6. The intelligent transportation device for agricultural products according to claim 5, characterized in that, The first hinge seat (704) is rotatably connected to a connecting rod (705), and the bottom surface of the mounting bracket (2) is equipped with a second hinge seat (706). The end of the connecting rod (705) away from the first hinge seat (704) is rotatably connected to the inside of the second hinge seat (706).

7. The intelligent transportation device for agricultural products according to claim 6, characterized in that, The support frame (8) is connected to a mounting base (10), and a rotating block (11) is rotatably connected inside the mounting base (10). The end of the rotating block (11) away from the mounting base (10) is connected to the mounting frame (2).

8. The intelligent transportation device for agricultural products according to claim 1, characterized in that, The mounting frame (2) is equipped with a controller (18) and a support plate (14). The support plate (14) is equipped with a third motor (15). The output end of the third motor (15) passes through the mounting frame (2) and is connected to a transmission mechanism (16).

9. The intelligent transportation device for agricultural products according to claim 2, characterized in that, The water tank (501) is equipped with a liquid level scale window (12), the water tank (501) is connected to a water inlet pipe (13), and the base (1) is equipped with four casters (17).

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