CN212643189U

CN212643189U - Novel energy-saving pre-filter pressing water type garbage compressor hydraulic control system

Info

Publication number: CN212643189U
Application number: CN202021159332.1U
Authority: CN
Inventors: 范书武; 崔瑞广; 初良; 秦正龙
Original assignee: Zhuhai Clean Machine Equipment Co ltd
Current assignee: Zhuhai Clean Machine Equipment Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-02
Anticipated expiration: 2030-06-18

Abstract

The utility model belongs to the technical field of hydraulic control systems, and particularly discloses a novel hydraulic control system of an energy-saving pre-filter-pressing water type garbage compressor, which comprises an accessory element, a power element, a control element and an execution element; the accessory elements comprise a fuel tank, a first oil filter and a second oil filter; the power element comprises a duplex vane pump group and a motor; the control element comprises a compression oil cylinder; the actuating element comprises a first pressure valve, a second pressure valve, a first one-way valve, a second one-way valve, a third one-way valve, a directional valve, a throttle valve, an accumulator, a high-pressure ball valve, a third pressure valve, a first logic valve and a second logic valve; the utility model simplifies the hydraulic control system and improves the work efficiency; the vibration of equipment and a hydraulic system caused by the impact of the oil cylinder during the backward starting is eliminated, the problems of the conventional hydraulic control system are solved, the service performance of the pre-pressing water-filtering type garbage compressor is improved, and the faults of the equipment are reduced.

Description

Novel energy-saving pre-filter pressing water type garbage compressor hydraulic control system

Technical Field

The utility model relates to a hydraulic control system technical field specifically is a novel energy-conserving filter-pressing water formula rubbish compressor hydraulic control system in advance.

Background

The hydraulic system of the pre-pressing water filtration type garbage compressor is matched equipment of the pre-pressing water filtration type garbage compressor, comprises a hydraulic power station, a hydraulic control valve set, an executing element (hydraulic oil cylinder) and the like, provides hydraulic power and hydraulic control for the pre-pressing water filtration type garbage compressor, and realizes the functions of pre-pressing water filtration and garbage compression of the pre-pressing water filtration type garbage compressor.

In the past, the compressor hydraulic system adopts two groups of oil cylinders, namely a compression oil cylinder and a pushing oil cylinder, and the main technical scheme of the hydraulic control system is as follows: the material pushing machine feeds a set value into the compressor, the push head (compression oil cylinder) of the compressor starts to push the material into the compression cavity, the material returns after being pushed, the operation is repeated in the same way, when the material in the compression cavity is fed to the set value and the pressure of the push head is increased to the set value, the push head (push oil cylinder) of the compressor starts to push the material to the container, then the container door is closed, and the container loading process is completed. This solution currently presents the following problems:

1. the push head stroke of the compressor is large, and two groups of oil cylinders, namely a compression oil cylinder and a pushing oil cylinder, are adopted, so that a hydraulic control system is complex, control links are multiple, and the working efficiency is reduced;

2. the hydraulic control system is complex, so that equipment is easy to break down, the maintenance workload is large, and the maintenance cost is increased;

3. the hydraulic control system has large flow and large sectional area of a piston of the oil cylinder, so that the impact of the oil cylinder during the backing start is large, and the vibration of equipment and a hydraulic system is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel energy-conserving filter-pressing water formula rubbish compressor hydraulic control system in advance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel energy-saving hydraulic control system of a pre-filter-pressing water type garbage compressor comprises an accessory element, a power element, a control element and an execution element; the accessory elements comprise a fuel tank, a first oil filter and a second oil filter; the power element comprises a duplex vane pump group and a motor; the first oil filter and the second oil filter are respectively connected with the duplex vane pump group and the motor; the control element comprises a compression oil cylinder; the actuating element comprises a first pressure valve, a second pressure valve, a first one-way valve, a second one-way valve, a third one-way valve, a directional valve, a throttle valve, an accumulator, a high-pressure ball valve, a third pressure valve, a first logic valve and a second logic valve; the first pressure valve and the second pressure valve are respectively connected with the first oil filter and the second oil filter, and the first check valve and the second check valve are respectively connected with the first pressure valve and the second pressure valve; one end of the directional valve is connected with the compression oil cylinder, the other end of the directional valve is connected with a throttle valve, and the throttle valve is connected with the high-pressure ball valve; one end of the third one-way valve is connected with the third pressure valve, and the other end of the third one-way valve is connected with the first logic valve and the second logic valve; the energy accumulator is connected with the third one-way valve, and the first logic valve and the second logic valve are connected with the compression oil cylinder.

Preferably, the accessory elements further comprise a liquid level meter and an air filter; the liquid level meter is positioned in the oil tank, and the air filter is arranged on a cover plate of the oil tank.

Preferably, a rodless cavity and a rod cavity of the compression oil cylinder are communicated with the oil tank; and the third one-way valve, the directional valve, the throttle valve, the energy accumulator, the high-pressure ball valve and the third pressure valve are arranged at the end of the lever cavity oil circuit.

Preferably, the double-blade pump group and the motor are both connected with an oil tank.

Preferably, the first check valve and the second check valve are respectively connected with the first logic valve and the second logic valve.

Compared with the prior art, the beneficial effects of the utility model are that:

the whole hydraulic control system gives full play to the use functions of all the elements under the reasonable and scientific configuration of all the elements to provide safe and reliable power for the pre-pressing water-filtering type garbage compressor; by adopting the single-branch large-stroke compression oil cylinder, the pushing oil cylinder group and the two control valve groups are removed, the hydraulic control system can be simplified, and the working efficiency is improved; the third check valve, the direction valve, the throttle valve, the energy accumulator, the high-pressure ball valve, the third pressure valve and other elements are added at the oil circuit end of the rod cavity of the compression oil cylinder, so that the vibration of equipment and a hydraulic system caused by the impact of the oil cylinder during the retreating starting is effectively eliminated, the problems of the conventional hydraulic control system are solved, the service performance of the pre-pressing water-filtering type garbage compressor is improved, the fault, the maintenance workload and the maintenance cost of the equipment are reduced, and the manufacturing cost of the equipment is also reduced.

Drawings

Fig. 1 is a schematic diagram of the principle structure of the present invention.

In the figure: 1. an oil tank; 2. a liquid level meter; 3. an air cleaner; 4. a dual vane pump stack; 5. a motor; 6. a first oil filter; 7. a second oil filter; 8. a first pressure valve; 9. a second pressure valve; 10. a first check valve; 11. a second one-way valve; 12. a third check valve; 13. a directional valve; 14. a throttle valve; 15. an accumulator; 16. a high pressure ball valve; 17. a third pressure valve; 18. a first logic valve; 19. a second logic valve; 20. and compressing the oil cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a novel energy-saving hydraulic control system of a pre-filter-pressing water type garbage compressor comprises an accessory element, a power element, a control element and an execution element; the accessory components comprise a fuel tank 1, a first oil filter 6 and a second oil filter 7; the power element comprises a double-blade pump group 4 and a motor 5; the first oil filter 6 and the second oil filter 7 are respectively connected with the double-blade pump group 4 and the motor 5; the control element comprises a compression cylinder 20; the actuating elements comprise a first pressure valve 8, a second pressure valve 9, a first check valve 10, a second check valve 11, a third check valve 12, a directional valve 13, a throttle valve 14, an accumulator 15, a high-pressure ball valve 16, a third pressure valve 17, a first logic valve 18 and a second logic valve 19; the first pressure valve 8 and the second pressure valve 9 are respectively connected with the first oil filter 6 and the second oil filter 7, and the first check valve 10 and the second check valve 11 are respectively connected with the first pressure valve 8 and the second pressure valve 9; one end of the directional valve 13 is connected with the compression oil cylinder 20, the other end of the directional valve is connected with the throttle valve 14, and the throttle valve 14 is connected with the high-pressure ball valve 16; one end of the third check valve 12 is connected with a third pressure valve 17, and the other end is connected with a first logic valve 18 and a second logic valve 19; the accumulator 15 is connected to the third check valve 12, and the first and

second logic valves

18 and 19 are connected to the compression cylinder 20.

Further, the accessory elements also comprise a liquid level meter 2 and an air filter 3; the liquid level meter 2 is positioned in the oil tank 1, and the air filter 3 is arranged on a cover plate of the oil tank 1.

Further, a rodless cavity and a rod cavity of the compression oil cylinder 20 are communicated with the oil tank 1; the third check valve 12, the directional valve 13, the throttle valve 14, the accumulator 15, the high-pressure ball valve 16 and the third pressure valve 17 are arranged at the end of the lever cavity oil circuit.

Further, the duplex vane pump group 4 and the motor 5 are both connected with the oil tank 1.

Further, the first check valve 10 and the second check valve 11 are connected to a first logic valve 18 and a second logic valve 19, respectively.

Furthermore, the system adopts a control technology of a duplex vane pump set 4, a synchronous control technology, a unique oil circuit design and a unique electro-hydraulic integration and intelligent energy-saving control technology; the design principle of the system is that the working pressure and flow of the system are automatically adjusted according to the magnitude of the press-fitting force, so that the energy consumption can be reduced to the greatest extent, and the working efficiency of the system is improved. The device can automatically realize heavy load low speed and light load high speed in the operation process, thereby effectively solving the temperature rise problem of the hydraulic system, ensuring that the device can continuously work in a high-temperature environment, and leading the hydraulic control system to be more energy-saving and higher in working efficiency when in use.

The working principle is as follows: the whole hydraulic control system gives full play to the use functions of all the elements under the reasonable and scientific configuration of all the elements to provide safe and reliable power for the pre-pressing water-filtering type garbage compressor; in the pushing process of the compressor, a low-pressure and high-flow double pump is used for working, so that the working efficiency is improved; in the material pressing process of the compressor, a high-pressure and low-flow single pump is used for working, so that the energy consumption is reduced, and the system heating is reduced; when the push head of the compressor retreats, the double-pump high-flow work is adopted, so that the working efficiency is improved, and the first logic valve 18 and the second logic valve 19 which have high flow and large drift diameter are adopted in the system design to control the system, so that the pressure loss of the system is greatly reduced, the heat productivity and the energy consumption of the system are reduced, and the purpose of saving energy is achieved; the hydraulic control system adopts the first pressure valve 8 and the second pressure valve 9 to control the pressure of the system, when the system works, the first pressure valve 8 and the second pressure valve 9 are electrified to supply the system pressure, so that the compression oil cylinder 20 is driven to act; when the system is in a standby state, the first pressure valve 8 and the second pressure valve 9 are not electrified and are in an unloading state, and hydraulic oil of the duplex vane pump group 4 directly returns to the oil tank 1 at a very low pressure, so that the heat productivity and pressure loss of the system are reduced, the energy consumption is reduced, and the purpose of saving energy is achieved; when the compression cylinder 20 advances, the directional valve 13 does not work, and the system charges the element accumulator 15 to reach the set pressure; when the compression oil cylinder 20 retreats, the duplex vane pump set 4 of the power part of the system does not work for supplying pressure firstly, the directional valve 13 is electrified to work firstly, then the energy accumulator 15 supplies oil for the compression oil cylinder 20 slowly, so that the compression oil cylinder 20 also retreats slowly for a certain distance, at this time, the two small pumps of the duplex vane pump set 4 of the power part of the system supply oil for the compression oil cylinder 20, then the two big pumps supply oil for the compression oil cylinder 20, the compression oil cylinder 20 can retreat fast and stably, and big impact abnormal sound and vibration of a hydraulic system when the compression oil cylinder 20 retreats are avoided.

It is worth noting that: whole device realizes controlling it through total control button, because the equipment that control button matches is equipment commonly used, belongs to current mature technique, no longer gives unnecessary details its electric connection relation and specific circuit structure again.

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

Claims

1. A novel energy-saving hydraulic control system of a pre-filter-pressing water type garbage compressor is characterized by comprising an accessory element, a power element, a control element and an execution element; the accessory elements comprise a tank (1), a first oil filter (6) and a second oil filter (7); the power element comprises a double-blade pump group (4) and a motor (5); the first oil filter (6) and the second oil filter (7) are respectively connected with the duplex vane pump group (4) and the motor (5); the control element comprises a compression cylinder (20); the actuating elements comprise a first pressure valve (8), a second pressure valve (9), a first one-way valve (10), a second one-way valve (11), a third one-way valve (12), a directional valve (13), a throttle valve (14), an energy accumulator (15), a high-pressure ball valve (16), a third pressure valve (17), a first logic valve (18) and a second logic valve (19); the first pressure valve (8) and the second pressure valve (9) are respectively connected with the first oil filter (6) and the second oil filter (7), and the first check valve (10) and the second check valve (11) are respectively connected with the first pressure valve (8) and the second pressure valve (9); one end of the directional valve (13) is connected with the compression oil cylinder (20), the other end of the directional valve is connected with the throttle valve (14), and the throttle valve (14) is connected with the high-pressure ball valve (16); one end of the third one-way valve (12) is connected with a third pressure valve (17), and the other end of the third one-way valve is connected with a first logic valve (18) and a second logic valve (19); the accumulator (15) is connected with the third one-way valve (12), and the first logic valve (18) and the second logic valve (19) are connected with the compression oil cylinder (20).

2. The novel hydraulic control system of the energy-saving pre-filter-pressing water type garbage compressor as claimed in claim 1, is characterized in that: the accessory elements also comprise a liquid level meter (2) and an air filter (3); the liquid level meter (2) is positioned in the oil tank (1), and the air filter (3) is arranged on a cover plate of the oil tank (1).

3. The novel hydraulic control system of the energy-saving pre-filter-pressing water type garbage compressor as claimed in claim 1, is characterized in that: a rodless cavity and a rodless cavity of the compression oil cylinder (20) are communicated with the oil tank (1); and the third one-way valve (12), the directional valve (13), the throttle valve (14), the energy accumulator (15), the high-pressure ball valve (16) and the third pressure valve (17) are arranged at the end of the oil circuit with the lever cavity.

4. The novel hydraulic control system of the energy-saving pre-filter-pressing water type garbage compressor as claimed in claim 1, is characterized in that: the duplex vane pump group (4) and the motor (5) are both connected with the oil tank (1).

5. The novel hydraulic control system of the energy-saving pre-filter-pressing water type garbage compressor as claimed in claim 1, is characterized in that: the first check valve (10) and the second check valve (11) are respectively connected with a first logic valve (18) and a second logic valve (19).