阅读说明：本技术 航空煤油罐车自动卸油装置 (Automatic oil unloading device of aviation kerosene tank car ) 是由 赵成安 赵锦阳 于 2020-06-01 设计创作，主要内容包括：本发明公开了一种航空煤油罐车自动卸油装置,包括滑轮组、链绳、浮筒、阀头、上盖、中间体、浮球、球托和下体,所述滑轮组安装在下体上,链绳穿过滑轮组一端与下体外部的浮筒连接,另一端连接在浮球底部,所述阀头放置在上盖与中间体中间,所述上盖与中间体连接,所述中间体与下体通过螺纹连接,所述浮球安装在下体内,所述球托设置在浮球下部用于限制浮球脱离下体。本发明航空煤油罐车自动卸油装置,可自动控制油罐车内的液位,杜绝空气进入抽油管,由油罐车内拔出抽油管后,残留罐内的煤油将比以前少的多,节省人力、减轻工人的劳动强度与加快卸油速度。(The invention discloses an automatic oil unloading device of an aviation kerosene tank truck, which comprises a pulley block, a chain rope, a buoy, a valve head, an upper cover, an intermediate body, a floating ball, a ball support and a lower body, wherein the pulley block is installed on the lower body, the chain rope penetrates through one end of the pulley block to be connected with the buoy outside the lower body, the other end of the chain rope is connected to the bottom of the floating ball, the valve head is placed between the upper cover and the intermediate body, the upper cover is connected with the intermediate body, the intermediate body is connected with the lower body through threads, the floating ball is installed in the lower body, and the ball support is arranged at the lower part of the floating ball and used for limiting the floating ball to be separated from the lower body. The automatic oil discharge device of the aviation kerosene tank truck can automatically control the liquid level in the tank truck, prevent air from entering the oil pumping pipe, and reduce the residual kerosene in the tank after the oil pumping pipe is pulled out from the tank truck, thereby saving labor, reducing the labor intensity of workers and accelerating the oil discharge speed.)

1. The utility model provides an automatic oil discharge device of aviation kerosene tank car which characterized in that: including assembly pulley, chain rope, flotation pontoon, valve head, upper cover, midbody, floater, ball support and the lower part of the body, the assembly pulley is installed on the lower part of the body, and the chain rope passes assembly pulley one end and is connected with the outside flotation pontoon of the lower part of the body, and the other end is connected in the floater bottom, the valve head is placed in the middle of upper cover and midbody, the upper cover is connected with the midbody, midbody and the lower part of the body pass through threaded connection, the floater is installed internally under, the ball support sets up and is used for restricting the floater to break away from the lower part of the body in the floater lower part.

2. The automatic oil discharge device of the aviation kerosene tank car as defined in claim 1, wherein: an angle bracket is arranged at the upper part of the valve head in the upper cover, and a spring is connected between the angle bracket and the valve head.

3. The automatic oil discharge device of the aviation kerosene tank car as defined in claim 1 or 2, wherein: and a sealing ring is arranged between the valve head and the intermediate body.

4. The automatic oil discharge device of the aviation kerosene tank car as defined in claim 1 or 2, wherein: the upper cover and the intermediate body are sealed through an O-shaped sealing ring.

5. The automatic oil discharge device of the aviation kerosene tank car as defined in claim 1 or 2, wherein: the middle body and the lower body are sealed through a gasket.

Technical Field

The invention relates to an automatic oil unloading device for an aviation kerosene tank truck.

Background

At present, aircraft fuel oil in most countries in the world is transported by a train, when the fuel oil is unloaded, a top cover of an oil tank truck is opened, oil pumping pipes are inserted into the bottoms of all tank trucks, then an oil well pump is started, a valve of each oil pumping pipe is opened, and aviation kerosene flows to an oil storage tank from an oil tank truck; the problem is that when oil is pumped to the bottom close to the oil tank, a valve of an oil pumping pipe must be closed in time, a train, n oil tanks and n oil pumping pipes are arranged, if one valve is not closed in time, air can be sucked into a pipeline from the oil pipe, when air enters the oil pump, the oil pump can stop pumping oil at once and idle, and if the time is long, the oil pump can be damaged due to overheating.

Disclosure of Invention

The invention aims to provide an automatic oil unloading device of an aviation kerosene tank truck, which saves manpower, lightens the labor intensity of workers and accelerates the oil unloading speed.

The technical scheme adopted by the invention for realizing the purpose is as follows: the utility model provides an automatic oil discharge device of aviation kerosene tank car, includes assembly pulley, chain rope, flotation pontoon, valve head, upper cover, midbody, floater, ball support and the lower part of the body, the assembly pulley is installed on the lower part of the body, and the chain rope passes assembly pulley one end and is connected with the outside flotation pontoon of the lower part of the body, and the other end is connected in the floater bottom, the valve head is placed in the middle of upper cover and midbody, the upper cover is connected with the midbody, the midbody passes through threaded connection with the lower part of the body, the floater is installed under in vivo, the ball support sets up and is used for restricting the floater to break away from the lower part of the body in the floater lower part.

An angle bracket is arranged at the upper part of the valve head in the upper cover, and a spring is connected between the angle bracket and the valve head.

And a sealing ring is arranged between the valve head and the intermediate body.

The upper cover and the intermediate body are sealed through an O-shaped sealing ring.

The middle body and the lower body are sealed through a gasket.

The automatic oil discharge device of the aviation kerosene tank truck can automatically control the liquid level in the tank truck, prevent air from entering the oil pumping pipe, and reduce the residual kerosene in the tank after the oil pumping pipe is pulled out of the tank truck, thereby saving manpower, reducing the labor intensity of workers and accelerating the oil discharge speed.

Drawings

Fig. 1 is a schematic structural diagram of an automatic oil discharge device of an aviation kerosene tank truck.

Fig. 2 is a schematic structural diagram of a second embodiment of the automatic oil discharge device of the aviation kerosene tank truck of the present invention.

In the figure: 1. a pulley block; 2. a chain rope; 3. a float bowl; 4. a seal ring; 5. a valve head; 6. a bolt; 7. a spring; 8. an upper cover; 9. a liner; 10. a fastening ring; 11. an O-shaped sealing ring; 12. an intermediate; 13. a gasket; 14. a floating ball; 15. a ball support; 16. a lower body; 17. and (4) a corner bracket.

Detailed Description

Embodiment one, as shown in fig. 1, an automatic oil unloading device of an aviation kerosene tank wagon comprises a pulley block 1, a chain rope 2, a buoy 3, a valve head 5, an upper cover 8, a middle body 12, a floating ball 14, a ball support 15 and a lower body 16, wherein the pulley block 1 is mounted on the lower body 16, the chain rope 2 passes through one end of the pulley block 1 and is connected with the buoy 3 outside the lower body 16, the other end of the chain rope is connected to the bottom of the floating ball 14, the valve head 5 is placed between the upper cover 8 and the middle body 12, the upper cover 8 and the middle body 12 are connected through a bolt 6, the middle body 12 is connected with the lower body 16 through a thread, the floating ball 14 is mounted in the lower body 16, the ball support 15 is arranged at the lower part of the floating ball 14 and used for limiting the floating ball to be separated from the lower body, a sealing ring 4 is mounted between the valve head 5 and the middle body 12 to form a first pair of sealing pairs, the upper cover 8 and the middle body 12 are sealed through an O-type sealing ring 11, the middle body 12 and the lower body 16 are sealed through a gasket 13, the inner side of a joint for connecting an external pipeline at the top of the upper cover 8 is provided with a gasket 9, the outer side of the joint is provided with a fastening ring 10, when the device works, the upper part of the device is directly connected with a lower end pipe orifice of an oil pumping pipe of an oil unloading station, the gasket 9 is used for sealing the device and the device is fixed by the fastening ring 10, after the whole device is inserted into a kerosene tank along with the oil pumping pipe, the buoy 3 floats upwards due to the buoyancy effect, the chain rope 2 drives the floating ball 14 to sink while floating, an oil through hole in the lower body 16 is opened, after an oil pump works, the valve head 5 in the device is sucked by negative pressure, and an oil path in the device is smooth; when kerosene in the tank is pumped to the bottom, the buoy 3 sinks, the chain rope 2 is loosened, the floating ball 14 floats up until the inner channel is blocked, the oil pumping pipe stops pumping oil, and the valve head 5 sinks under the action of gravity, so that the channel for backflow of the oil pumping pipe is also blocked; when all the oil pumping pipes stop pumping oil, the pump can be stopped when the output pressure of the oil pump is zero, all the oil pumping pipes can be pumped out from the tank, and the kerosene in the pipes can not leak due to the pump stop because of the double sealing of the device.

Second embodiment, as shown in fig. 2, an automatic oil unloading device of an aviation kerosene tank wagon comprises a pulley block 1, a chain rope 2, a buoy 3, a valve head 5, a spring 7, an upper cover 8, a middle body 12, a floating ball 14, a ball support 15, a lower body 16 and a corner bracket 17, wherein the pulley block 1 is installed on the lower body 16, the chain rope 2 passes through one end of the pulley block 1 to be connected with the buoy 3 outside the lower body 16, the other end of the chain rope is connected to the bottom of the floating ball 14, the valve head 5 is placed between the upper cover 8 and the middle body 12, the upper cover 8 is connected with the middle body 12 through a bolt 6, the middle body 12 is connected with the lower body 16 through a thread, the floating ball 14 is installed in the lower body 16, the ball support 15 is arranged at the lower part of the floating ball 14 to limit the separation of the floating ball, a sealing ring 4 is installed between the valve head 5 and the middle body 12 to form a first pair of sealing pairs, the upper cover 8 and the middle body 12 are sealed by an O-shaped sealing ring 11, the middle body 12 is sealed by a gasket 13, the angle bracket 17 is arranged on the upper part of the valve head 5 in the upper cover 8 and mainly plays a role in limiting the valve head 5, the upper end of the spring 7 is propped against the angle bracket 17, the lower end of the spring is connected with the valve head 5, the inner side of a joint part for connecting an external pipeline at the top of the upper cover 8 is provided with a gasket 9, and the outer side of the joint part is provided with a fastening ring 10; when kerosene in the tank is pumped to the bottom, the buoy 3 sinks, the chain rope 2 is loosened, the floating ball 14 floats up until the inner channel is blocked, the oil pumping pipe stops pumping oil, the spring 7 can enable the valve head 5 to sink in an accelerated manner, the valve head 5 sinks in an accelerated manner under the combined action of the spring and gravity, and the channel for backflow of the oil pumping pipe is also blocked in an accelerated manner; when all the oil pumping pipes stop pumping oil, the pump can be stopped when the output pressure of the oil pump is zero, all the oil pumping pipes can be pumped out from the tank, and the kerosene in the pipes can not leak due to the pump stop because of the double sealing of the device.