Small kitchen waste compression station liquid electric system

Abstract

The utility model discloses a small -size kitchen waste compression station liquid electricity system, including oil tank, oil pump, hydraulic valve group assembly and telescopic pipe oil cylinder, stop valve oil cylinder, scraper oil cylinder. Oil pump is connected into hydraulic valve group assembly, and hydraulic valve group assembly contains oil inlet path and three oil return paths, and the P oil port of three three -way four -way electromagnetic valves is communicated to the oil inlet path, and the T oil port of three three -way four -way electromagnetic valves is respectively corresponding and links cooling device, oil return filter and other components. First, second three three -way four -way electromagnetic valves are connected telescopic pipe oil cylinder, stop valve oil cylinder through hydraulic lock, one -way throttle valve respectively, and third three three -way four -way electromagnetic valve is connected directly scraper oil cylinder. The system realizes the close butt joint of telescopic pipe and external auger through reasonable oil circuit and valve group control, effectively avoids kitchen waste conveying leakage, and has improved the operation cleanliness.

Description

Technical Field

[0001] This utility model relates to the technical field of kitchen waste treatment equipment, specifically to a small kitchen waste compression station hydraulic-electric system. Background Technology

[0002] When processing food waste with high moisture content, existing small-scale food waste compression stations usually use direct dumping to feed the waste. However, food waste is highly mobile and prone to spillage and dripping, resulting in a dirty and messy working environment. At the same time, the connection structure between the compression station and the external conveying device is mostly fixed and cannot adaptively adjust the gap. This can easily lead to waste leakage due to loose connections, making it difficult to meet the requirements of clean operation.

[0003] Therefore, it is necessary to provide a small-scale food waste compression station hydraulic-electric system to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a small-scale electrohydraulic system for food waste compression stations, which enables tight connection between the telescopic pipe and the external auger, preventing leakage during food waste transportation and improving operational cleanliness.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A small-scale food waste compression station hydraulic-electric system includes an oil tank for storing hydraulic oil, an oil pump for providing hydraulic power, a hydraulic valve assembly for controlling the on / off state, flow direction and pressure of the hydraulic oil, a telescopic pipe cylinder for connecting the telescopic pipe, a shut-off valve cylinder for controlling the on / off state of the waste passage, and a scraper cylinder for completing the food waste compression action.

[0007] The oil pump is connected to the hydraulic valve assembly, which includes an oil inlet line connected to the oil pump, a first return line connected in parallel with the oil inlet line, a second return line connected to the oil tank, and a third return line sequentially connected to the cooler and the return oil filter.

[0008] The oil inlet is connected to the P port of the first three-position four-way solenoid valve, the P port of the second three-position four-way solenoid valve, and the P port of the third three-position four-way solenoid valve, respectively.

[0009] The first return oil circuit is led out from the inlet oil circuit, connected in sequence to the hydraulic gauge and the pilot-operated solenoid relief valve, and then connected to the third return oil circuit;

[0010] The second oil return circuit is connected to the T oil port of the first three-position four-way solenoid valve, the T oil port of the second three-position four-way solenoid valve, and the T oil port of the third three-position four-way solenoid valve, respectively.

[0011] The third return oil circuit is connected to the T oil port of the first three-position four-way solenoid valve, the T oil port of the second three-position four-way solenoid valve, and the T oil port of the third three-position four-way solenoid valve, respectively.

[0012] After the A and B ports of the first three-position four-way solenoid valve are connected in parallel, they are sequentially connected to the first hydraulic lock and the first one-way throttle valve, and finally connected to the telescopic pipe cylinder.

[0013] After the A and B ports of the second three-position four-way solenoid valve are connected in parallel, they are sequentially connected to the second hydraulic lock and the second one-way throttle valve, and finally connected to the shut-off valve cylinder.

[0014] The A and B ports of the third three-position four-way solenoid valve are connected to the scraper cylinder.

[0015] Preferably, the pilot-operated solenoid relief valve includes a pilot relief valve and a two-position four-way solenoid valve, and the pressure setting value of the pilot relief valve is 15MPa.

[0016] Preferably, the oil tank has a volume of 120L and the oil pump has a displacement of 14CC.

[0017] Preferably, a temperature sensor is provided in the oil inlet circuit.

[0018] Preferably, the oil pump is connected to an inlet filter.

[0019] Compared with the prior art, this utility model has the following advantages: the floating and adjustable telescopic tube achieves a tight connection with the external auger, effectively solving the leakage problem in the process of transporting kitchen waste with high moisture content and improving the cleanliness of the working environment. Attached Figure Description

[0020] Figure 1 This is the hydraulic schematic diagram of this utility model.

[0021] Figure 2 This is a schematic diagram of the hydraulic valve assembly in this utility model.

[0022] Figure 3 This is a schematic diagram of the pilot-operated electromagnetic relief valve in this utility model.

[0023] Figure 4 This is the sequence of actions for this utility model.

[0024] Among them, 1-oil tank, 2-oil pump, 3-hydraulic valve assembly, 31-oil inlet circuit, 32-first return circuit, 33-second return circuit, 34-third return circuit, 41-first three-position four-way solenoid valve, 42-second three-position four-way solenoid valve, 43-third three-position four-way solenoid valve, 51-first hydraulic lock, 52-second hydraulic lock, 61-first one-way throttle valve, 62-second one-way throttle valve, 71-telescopic pipe cylinder, 72-stop valve cylinder, 73-scraper cylinder, 8-hydraulic gauge, 9-pilot-operated solenoid relief valve, 91-pilot relief valve, 92-two-position four-way solenoid valve, 10-cooler, 11-return oil filter, 12-temperature sensor, 13-oil inlet filter. Detailed Implementation

[0025] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and not for limiting the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixed connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] In this utility model, terms such as "upper", "lower", "bottom", and "top" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of the structural relationship between the various components or elements of this utility model and do not specifically refer to any component or element in this utility model. They should not be construed as limiting this utility model.

[0028] like Figures 1 to 4As shown, a small-scale food waste compression station hydraulic-electric system includes an oil tank 1 for storing hydraulic oil, an oil pump 2 for providing hydraulic power, a hydraulic valve assembly 3 for controlling the on / off state, flow direction, and pressure of the hydraulic oil, a telescopic pipe cylinder 71 for connecting the telescopic pipe, a shut-off valve cylinder 72 for controlling the on / off state of the waste passage, and a scraper cylinder 73 for completing the food waste compression action. The oil tank 1 has a volume of 120L, the oil pump 2 has a displacement of 14CC, the oil pump 2 is connected to an inlet filter 13, and the oil pump 2 is connected to the hydraulic valve assembly 3. The hydraulic valve assembly 3 includes an oil inlet passage 31 connected to the oil pump 2, a first oil return passage 32 connected in parallel with the oil inlet passage 31, a second oil return passage 33 connected to the oil tank 1, and a third oil return passage 34 sequentially connected to the cooler 10 and the oil return filter 11. A temperature sensor 12 is installed in the oil inlet circuit 31. The oil inlet circuit 31 is connected to the P port of the first three-position four-way solenoid valve 41, the P port of the second three-position four-way solenoid valve 42, and the P port of the third three-position four-way solenoid valve 43. The first return oil circuit 32 is led out from the oil inlet circuit 31, connected in sequence to the hydraulic gauge 8 and the pilot-operated solenoid relief valve 9, and then connected to the third return oil circuit 34. The pilot-operated solenoid relief valve 9 includes a pilot relief valve 91 and a two-position four-way solenoid valve 92. The pressure setting value of the pilot relief valve 91 is 15MPa. The second return oil circuit 33 is connected to the T port of the first three-position four-way solenoid valve 41, the T port of the second three-position four-way solenoid valve 42, and the T port of the third three-position four-way solenoid valve 43. The third return oil circuit 34 is connected to the T port of the first three-position four-way solenoid valve 41, the T port of the second three-position four-way solenoid valve 42, and the T port of the third three-position four-way solenoid valve 43. The first three-position four-way solenoid valve 41, with its A and B ports connected in parallel, is sequentially connected to the first hydraulic lock 51 and the first one-way throttle valve 61, and finally connected to the telescopic pipe cylinder 71. The second three-position four-way solenoid valve 42, with its A and B ports connected in parallel, is sequentially connected to the second hydraulic lock 52 and the second one-way throttle valve 62, and finally connected to the shut-off valve cylinder 72. The third three-position four-way solenoid valve 43, with its A and B ports connected to the scraper cylinder 73.

[0029] The principle and usage of a small-scale food waste compression station's electro-hydraulic system are as follows:

[0030] When M1 is energized, oil pump 2 starts, and the system enters standby mode. Pilot-operated solenoid relief valve 9 is in normally open unloading state. When the system pressure reaches the set value of 15MPa, excess oil flows back to cylinder 1 via the first return oil circuit 32 and pilot-operated solenoid relief valve 9. When M1, 1DT, and 2DT are energized, ports A and P of the first three-position four-way solenoid valve 41 are connected, as are ports B and T of the first three-position four-way solenoid valve 41. Hydraulic oil flows from the inlet circuit 31 through ports P and A of the first three-position four-way solenoid valve 41. The oil enters the telescopic pipe cylinder 71 through the first hydraulic lock 51 and the first one-way throttle valve 61 in sequence. The telescopic pipe cylinder 71 extends, driving the telescopic pipe to connect with the external auger conveying device, automatically compensating for gaps to ensure tight contact. When M1, 1DT, and 4DT are energized, the A and P ports of the second three-position four-way solenoid valve 42 are connected, as are the B and T ports. Hydraulic oil flows from the inlet 31 through the P and A ports of the second three-position four-way solenoid valve 42, and then sequentially through the second hydraulic... The pressure lock 52 and the second one-way throttle valve 62 enter the shut-off valve cylinder 72. The shut-off valve cylinder 72 is pushed out, opening the garbage conveying channel. The kitchen waste is sent into the compression chamber by the auger. When M1, 1DT, and 6DT are energized, the A and P ports of the third three-position four-way solenoid valve 43 are connected, as are the B and T ports. Hydraulic oil enters the scraper cylinder 73 from the oil inlet 31 through the P and A ports of the third three-position four-way solenoid valve 43. The scraper cylinder 73 is pushed out, driving the compression scraper to compress the kitchen waste. Compression is performed; after compression, M1, 1DT, and 7DT are energized to return scraper cylinder 73, M1, 1DT, and 5DT are energized to return shut-off valve cylinder 72 to close the channel, and M1, 1DT, and 3DT are energized to return telescopic pipe cylinder 71, disconnecting from the auger. The hydraulic oil returns to the second return oil circuit 33 and the third return oil circuit 34 through the B and T ports of the first three-position four-way solenoid valve 41, the B and T ports of the second three-position four-way solenoid valve 42, and the B and T ports of the third three-position four-way solenoid valve 43, respectively.

[0031] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or related technical or knowledge. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A small-scale food waste compression station hydraulic-electric system, characterized in that: It includes an oil tank (1) for storing hydraulic oil, an oil pump (2) for providing hydraulic power, a hydraulic valve assembly (3) for controlling the on / off, flow direction and pressure of hydraulic oil, a telescopic pipe cylinder (71) for connecting telescopic pipes, a shut-off valve cylinder (72) for controlling the on / off of garbage passages, and a scraper cylinder (73) for completing the compression action of kitchen waste. The oil pump (2) is connected to the hydraulic valve assembly (3), which includes an oil inlet (31) connected to the oil pump (2), a first return oil line (32) connected to the oil inlet (31), a second return oil line (33) connected to the oil tank (1), and a third return oil line (34) connected in sequence to the cooler (10) and the return oil filter (11). The oil inlet (31) is connected to the P port of the first three-position four-way solenoid valve (41), the P port of the second three-position four-way solenoid valve (42), and the P port of the third three-position four-way solenoid valve (43), respectively. The first return oil circuit (32) is led out from the oil inlet circuit (31), connected in sequence to the hydraulic gauge (8) and the pilot-operated electromagnetic relief valve (9), and then connected to the third return oil circuit (34); The second return oil circuit (33) is connected to the T oil port of the first three-position four-way solenoid valve (41), the T oil port of the second three-position four-way solenoid valve (42), and the T oil port of the third three-position four-way solenoid valve (43), respectively. The third return oil circuit (34) is connected to the T oil port of the first three-position four-way solenoid valve (41), the T oil port of the second three-position four-way solenoid valve (42), and the T oil port of the third three-position four-way solenoid valve (43), respectively. After the A and B ports of the first three-position four-way solenoid valve (41) are connected in parallel, they are connected in sequence to the first hydraulic lock (51) and the first one-way throttle valve (61), and finally connected to the telescopic pipe cylinder (71); After the A and B ports of the second three-position four-way solenoid valve (42) are connected in parallel, they are connected in sequence to the second hydraulic lock (52) and the second one-way throttle valve (62), and finally connected to the shut-off valve cylinder (72); The A and B ports of the third three-position four-way solenoid valve (43) are connected to the scraper cylinder (73).

2. The electrohydraulic system for a small-scale food waste compression station according to claim 1, characterized in that: The pilot-operated solenoid relief valve (9) includes a pilot relief valve (91) and a two-position four-way solenoid valve (92), and the pressure setting value of the pilot relief valve (91) is 15MPa.

3. The electrohydraulic system for a small-scale food waste compression station according to claim 1, characterized in that: The oil tank (1) has a volume of 120L and the oil pump (2) has a displacement of 14CC.

4. The electrohydraulic system for a small-scale food waste compression station according to claim 1, characterized in that: A temperature sensor (12) is provided in the oil inlet circuit (31).

5. The electrohydraulic system for a small-scale food waste compression station according to claim 1, characterized in that: The oil pump (2) is connected to an oil inlet filter (13).

Images