阅读说明：本技术 用于真空罐式车辆的电控四通阀结构 (Electric control four-way valve structure for vacuum tank type vehicle ) 是由 张晓雷 裴维平 方韬 肖钦萍 于 2020-11-06 设计创作，主要内容包括：本发明涉及一种用于真空罐式车辆的电控四通阀结构,包括固定支架、第一电动执行器和第二电动执行器,所述固定支架固定安装在真空罐式车辆上,所述第一电动执行器包括固定安装在固定支架上的第一壳体以及设置在第一壳体上的第一电动执行机构,所述第一电动执行机构上固接有连接支架；所述第二电动执行器包括与连接支架铰接的第二壳体以及与所述四通球阀的阀柄铰接的第二电动执行机构。本发明不需要改变现有四通球阀的具体结构,通过增加两个电动执行器就能够很方便地实现控制四通球阀改变状态,因此可以对现有的吸污车、吸粪车低成本进行改进,提高操作人员的工作效率。(The invention relates to an electric control four-way valve structure for a vacuum tank vehicle, which comprises a fixed support, a first electric actuator and a second electric actuator, wherein the fixed support is fixedly arranged on the vacuum tank vehicle; the second electric actuator comprises a second shell hinged with the connecting support and a second electric actuator hinged with the valve handle of the four-way ball valve. The invention can conveniently realize the control of the change of the state of the four-way ball valve by adding two electric actuators without changing the specific structure of the existing four-way ball valve, thereby improving the existing sewage suction truck and the existing dung suction truck at low cost and improving the working efficiency of operators.)

1. An electric control four-way valve structure for a vacuum tank vehicle comprises a four-way ball valve arranged on the vacuum tank vehicle, wherein a first port of the four-way ball valve is communicated with a tank body of the vacuum tank vehicle through a gas path pipeline, a second port and a third port of the four-way ball valve are respectively communicated with an inlet and an outlet of a vacuum pump, a fourth port of the four-way ball valve is communicated with the atmosphere, and a valve core of the four-way ball valve is driven to rotate through a valve handle, so that the four-way ball valve has a suction state that the first port is communicated with the second port, a pressure discharge state that the first port is communicated with the third port and a neutral state that the first port is communicated with the fourth port; the method is characterized in that: the vacuum tank vehicle further comprises a fixing support, a first electric actuator and a second electric actuator, wherein the fixing support is fixedly arranged on the vacuum tank vehicle, the first electric actuator comprises a first shell fixedly arranged on the fixing support and a first electric actuating mechanism arranged on the first shell, and a connecting support is fixedly connected to the first electric actuating mechanism; the second electric actuator comprises a second shell hinged with the connecting bracket and a second electric actuator hinged with the valve handle of the four-way ball valve;

when the first electric actuator and the second electric actuator are both in a withdrawing state, the four-way ball valve is in a pumping state; when the first electric actuator is in a retracting state and the second electric actuator is in an extending state, the four-way ball valve is in a middle position state; when the first electric actuating mechanism and the second electric actuating mechanism are both in the extending state, the four-way ball valve is in the pressure discharge state.

2. An electrically controlled four-way valve structure for a vacuum tank vehicle according to claim 1, wherein: the control switches of the first electric actuator and the second electric actuator are installed in a cab of the vacuum tank type vehicle.

3. An electrically controlled four-way valve structure for a vacuum tank vehicle according to claim 1 or 2, wherein: the internal level sensor that is equipped with of jar, after level sensor detected jar full jar of body, first electric actuator is in the state of withdrawing, second electric actuator is in the state of stretching out to make the four-way ball valve is in the meso position state.

4. An electrically controlled four-way valve structure for a vacuum tank vehicle according to claim 1 or 2, wherein: the vacuum tank vehicle is provided with a plurality of platform supports, and the fixed support and the four-way valve are fixed on the same platform support on the vacuum tank vehicle.

Technical Field

The invention relates to an electric control four-way valve structure for a vacuum tank vehicle, and belongs to the technical field of automatic valve body switches.

Background

Because in the vacuum tank vehicles use such as soil pick-up car, dung pick-up car, need realize vacuum suction or pressure discharge to the jar body, the conversion function of suction and discharge is accomplished mainly through the cross valve, because the pipe diameter that vacuum suction or pressure discharge need is thicker, and the requirement of above pipe diameter can't all be satisfied to standard electromagnetism cross valve, moreover, electromagnetism cross valve need install piston and slider etc. in the valve body, after the pipe diameter increases, the sealed easy problem that appears of piston and slider, consequently soil pick-up car, dung pick-up car use the cross ball valve to accomplish the conversion of suction and discharge more.

However, at present in the vehicle operation process, all need to go the valve handle of operation four-way ball valve to control the internal gas flow direction of jar through artificial manual, consequently, very inconvenient in the use, influenced work efficiency, for guaranteeing that the driver operates vehicle work in the driver's cabin, improve work efficiency, need a four-way ball valve that can conveniently control just to realize corresponding requirement urgently.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the electric control four-way valve structure for the vacuum tank type vehicle can improve the working efficiency and is convenient to use.

The technical scheme provided by the invention for solving the technical problems is as follows: an electric control four-way valve structure for a vacuum tank vehicle comprises a four-way ball valve arranged on the vacuum tank vehicle, wherein a first port of the four-way ball valve is communicated with a tank body of the vacuum tank vehicle through a gas path pipeline, a second port and a third port of the four-way ball valve are respectively communicated with an inlet and an outlet of a vacuum pump, a fourth port of the four-way ball valve is communicated with the atmosphere, and a valve core of the four-way ball valve is driven to rotate through a valve handle, so that the four-way ball valve has a suction state that the first port is communicated with the second port, a pressure discharge state that the first port is communicated with the third port and a neutral state that the first port is communicated with the fourth port; the vacuum tank vehicle further comprises a fixing support, a first electric actuator and a second electric actuator, wherein the fixing support is fixedly arranged on the vacuum tank vehicle, the first electric actuator comprises a first shell arranged on the fixing support and a first electric actuator arranged on the first shell, and a connecting support is fixedly connected to the first electric actuator; the second electric actuator comprises a second shell hinged with the connecting bracket and a second electric actuator hinged with the valve handle of the four-way ball valve; when the first electric actuator and the second electric actuator are both in a withdrawing state, the four-way ball valve is in a pumping state; when the first electric actuator is in a retracting state and the second electric actuator is in an extending state, the four-way ball valve is in a middle position state; when the first electric actuating mechanism and the second electric actuating mechanism are both in the extending state, the four-way ball valve is in the pressure discharge state.

Preferably, the control switches of the first and second electric actuators are installed in a cab of the vacuum tank vehicle.

According to the invention, by improving the existing four-way ball valve, in the working process of vacuum tank vehicles (mainly comprising sewage suction trucks and dung suction trucks), an operator can control the vehicles to work in a cab, so that the vehicle operation is more intelligent and convenient. The invention can conveniently realize the control of the change of the state of the four-way ball valve by adding two electric actuators without changing the specific structure of the existing four-way ball valve, thereby being capable of reconstructing the existing sewage suction truck and the existing dung suction truck at low cost and improving the working efficiency of operators.

Drawings

The invention will be further explained with reference to the drawings.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of an embodiment of the present invention in a pumping state.

Fig. 3 is a schematic diagram of the embodiment of the present invention in the neutral state.

FIG. 4 is a schematic view of an embodiment of the present invention in a packed state.

Reference numerals: four-way ball valve 1, first electric actuator 3, second electric actuator 2, linking bridge 4, fixed bolster 5, level sensor 6, controller 7, valve handle 8, jar body 9.

Detailed Description

Examples

The electric control four-way valve structure for the vacuum tank vehicle comprises a four-way ball valve 1 installed on the vacuum tank vehicle, wherein a first port of the four-way ball valve 1 is communicated with a tank body 9 of the vacuum tank vehicle through a gas path pipeline, a second port and a third port of the four-way ball valve 1 are respectively communicated with an inlet and an outlet of a vacuum pump (not shown in the figure), a fourth port of the four-way ball valve 1 is communicated with the atmosphere, and a valve core of the four-way ball valve is driven to rotate through a valve handle, so that the four-way ball valve 1 has a suction state in which the first port is communicated with the second port, a pressure discharge state in which the first port is communicated with the third port, and a middle state in which the first port is communicated. The above are all prior arts, and are not described in detail.

The embodiment is added with a fixed bracket 5, a first electric actuator 3 and a second electric actuator 2 on the basis of the prior art. The fixed support 5 is fixedly arranged on the vacuum tank vehicle, the first electric actuator 3 comprises a first shell arranged on the fixed support 5 and a first electric actuator arranged on the first shell, and a connecting support 4 is fixedly connected to the first electric actuator; the second electric actuator 2 comprises a second shell hinged with the connecting bracket 4 and a second electric actuator hinged with the valve handle 8 of the four-way ball valve 1; when the first electric actuator and the second electric actuator are both in a withdrawing state, the four-way ball valve is in a pumping state; when the first electric actuator is in a retracting state and the second electric actuator is in an extending state, the four-way ball valve is in a middle position state; when the first electric actuating mechanism and the second electric actuating mechanism are both in the extending state, the four-way ball valve is in the pressure discharge state. The first electric actuator 3 and the second electric actuator 2 can be powered by a storage battery of the vacuum tank truck.

Preferably, the control switches of the first and second electric actuators 3 and 2 are installed in a cab of the vacuum tank vehicle.

The vacuum tank truck operates as follows: an operator firstly controls a switch in a cab, the first electric actuator 3 and the second electric actuator 2 are both in a withdrawing state, a valve core of the four-way valve 1 is controlled to be in a pumping state at the moment, after the tank body 9 is fully pumped, the valve core is transmitted to the controller 7 through the liquid level sensor 6, the second electric actuator 2 can be automatically electrified and extended by the controller at the moment, the corresponding connecting support 4 is not moved, the valve core of the four-way valve 1 is placed in a middle position at the moment, the air flow of a vacuum pump is not pumped out from the interior of the tank body at the moment, and the tank body; when the pressure drainage is needed, the first electric executive component 3 and the second electric executive component 2 are all electrified and all stretch out through the switch, the corresponding connecting support 4 moves synchronously, the valve core of the four-way valve 1 is arranged at the pressure drainage position, the vacuum pump presses the tank body 9 through sucking air from the outside at the moment, the pressure in the tank body is increased, pressure difference is generated, and liquid in the tank body is discharged.

The embodiment can be further modified as follows: the vacuum tank type vehicle is provided with a plurality of platform supports, and the fixed support and the four-way valve are fixed on the same platform support on the vacuum tank type vehicle, so that the vibration consistency of parts and components on the vehicle is ensured.

Through the automatically controlled four-way ball valve structure of this embodiment, to vacuum tank vehicle working process, can control vehicle work in the driver's cabin, simultaneously through the sensor, when jar body is full jar, can switch the cross valve to the meso position automatically, the vehicle stops the suction, makes the vehicle operation more intelligent convenient.

The right of the invention is not limited to the above embodiments, and the technical scheme formed by equivalent replacement is adopted, such as replacing an electric actuator with a hydraulic cylinder, a pneumatic cylinder and the like; the liquid level sensor is replaced by other floating ball sensors and the like, and the liquid level sensor and the floating ball sensors are all within the protection scope required by the invention.