Accurate metering device for rocket propellant

Abstract

The utility model relates to the technical field of rocket propellant filling devices, in particular to a rocket propellant accurate metering device which comprises a storage tank, a delivery pump is arranged on one side of the storage tank, a suction pipe is fixedly installed at the liquid inlet end of the delivery pump, a vertical pipe is fixedly installed at the tail end of the suction pipe, and the vertical pipe is located in the storage tank. A plurality of liquid inlet holes are formed in a pipe body at the bottom end of the vertical pipe, a liquid outlet pipe is fixedly installed at the liquid outlet end of the conveying pump, a flow meter is fixedly installed on a pipe body at the end of the liquid outlet pipe, a conveying pipe is fixedly installed at the end of the liquid outlet pipe, a hose is fixedly installed at the bottom end of the conveying pipe, and a metering oil gun is fixedly installed at the end of the hose; a base is fixedly mounted at the bottom of the storage tank, and a plurality of supporting legs are fixedly mounted on the bottom surface of the base; a base is arranged below the base, and weighing sensors are fixedly installed between the supporting legs and the base. According to the utility model, double metering operation can be carried out, and metering accuracy can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to rocket propellant filling device technical field, concretely relates to the accurate measuring device of rocket propellant. BACKGROUND

[0002] Rocket propellant filling system is the important component part of launch site ground equipment, and its core task is accurately completing the filling work of rocket propellant, and the accurate measurement of filling quantity is one of the key factors to guarantee the success of rocket launching, because different filling measurement modes can directly influence filling process and filling accuracy, at present, common rocket propellant filling system mainly adopts pump body to transport fuel, and then cooperates with measurement fuel filling gun work, since the measurement fuel filling gun has the function of measurement, can reach the effect of accurately controlling the adding amount in the process of filling.

[0003] But most rocket propellant filling systems with measurement fuel filling gun when using, simply rely on measurement fuel filling gun to measure, when meeting the failure of measurement fuel filling gun, cannot carry out timely comparison operation through other measurement tools, cannot reach the effect of double measurement, in view of this, we proposed the accurate measuring device of rocket propellant. UTILITY MODEL CONTENT

[0004] The utility model aims at providing the accurate measuring device of rocket propellant to solve the defects in the background art.

[0005] In order to realize the above object, the utility model provides the following technical scheme:

[0006] The accurate measuring device of rocket propellant, including storage tank, one side of the storage tank is provided with conveying pump, the liquid inlet end of the conveying pump is fixedly installed with suction pipe, the tail end of the suction pipe is fixedly installed with the vertical pipe arranged in vertical, the vertical pipe is located in the storage tank, a plurality of ring-shaped equidistantly arranged liquid inlet holes are arranged on the bottom end pipe body of the vertical pipe, the liquid outlet end of the conveying pump is fixedly installed with liquid outlet pipe, the end pipe body of the liquid outlet pipe is fixedly installed with flowmeter, the end of the liquid outlet pipe is fixedly installed with conveying pipe, the bottom end of the conveying pipe is fixedly installed with hose, the end of the hose is fixedly installed with measurement fuel filling gun.

[0007] Preferably, the bottom of the storage tank is fixedly installed with base, and a plurality of support legs arranged in a ring shape and at equal intervals are fixedly installed on the bottom surface of the base.

[0008] Preferably, a base is arranged below the base, and a weighing sensor is fixedly installed between the support leg and the base.

[0009] Preferably, the bottom end of the liquid inlet hole is connected with the outside, and the cross section of the liquid inlet hole is in arc shape.

[0010] Preferably, a control host is fixedly installed on the outer side of the tank body of the storage tank, and a display screen is arranged on the front side of the control host.

[0011] Preferably, a liquid level sensor is fixedly installed on the top plate body of the storage tank, and an inlet pipe is fixedly installed on the top tank body of the storage tank.

[0012] Preferably, two front and rear symmetrical valves are fixedly installed on the inlet pipe, and a pressure gauge is also fixedly installed on the inlet pipe and located on the side close to the storage tank.

[0013] Preferably, the length of the hose is greater than 3 m, and the bottom end of the vertical pipe abuts against the bottom wall of the storage tank.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The utility model discloses a metering oil gun is set up, can realize the effect of metering and controlling the material loading amount, and cooperates the delivery pump work, can carry out the delivery operation of fuel oil, finally, cooperates the flowmeter and can carry out further metering operation, reaches the effect of double metering.

[0016] 2、The utility model discloses a vertical pipe and inlet hole are set up, guarantee fuel oil to enter more smoothly along the inlet hole part, in addition, through setting up the inlet pipe, it is convenient to add fuel oil to the storage tank, cooperates two valves, when one of the valves is damaged, the other valve can continue to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the explosion structure schematic diagram of the utility model;

[0019] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model;

[0020] Figure 4 It is the partial structure schematic diagram of the utility model;

[0021] The meaning of each reference numeral in the drawing is as follows:

[0022] 1、Base;10、Storage tank;11、Base;12、Support leg;121、Weighing sensor;13、Control host;131、Display screen;14、Liquid level sensor;15、Inlet pipe;151、Valve;152、Pressure gauge;

[0023] 2, delivery pump; 20, suction pipe; 21, vertical pipe; 211, liquid inlet hole; 22, liquid outlet pipe; 221, flow meter; 23, delivery pipe; 24, hose; 25, metering oil gun. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: the accurate metering device of rocket propellant, including storage tank 10, the side of storage tank 10 is provided with delivery pump 2, the liquid inlet end of delivery pump 2 is fixedly installed with suction pipe 20, the end of suction pipe 20 is fixedly installed with vertical pipe 21 being vertically arranged, vertical pipe 21 is located in storage tank 10, the bottom end pipe body of vertical pipe 21 is provided with multiple ring-like equidistantly arranged liquid inlet holes 211, the bottom end of liquid inlet hole 211 is communicated with outside, the section of liquid inlet hole 211 is arc, the bottom end of vertical pipe 21 is on the bottom wall of storage tank 10, so that fuel in storage tank 10 enters more smoothly along liquid inlet hole 211 part;

[0026] Specifically, the liquid outlet end of delivery pump 2 is fixedly installed with liquid outlet pipe 22, the end pipe body of liquid outlet pipe 22 is fixedly installed with flow meter 221, the end of liquid outlet pipe 22 is fixedly installed with delivery pipe 23, the bottom end of delivery pipe 23 is fixedly installed with hose 24, the end of hose 24 is fixedly installed with metering oil gun 25, realize double metering operation using flow meter 221 and metering oil gun 25.

[0027] In the embodiment, the bottom of storage tank 10 is fixedly installed with base 11, the bottom surface of base 11 is fixedly installed with multiple ring-like equidistantly arranged supporting legs 12, to realize supporting operation.

[0028] Specifically, the bottom of base 11 is provided with base 1, weighing sensor 121 is fixedly installed between supporting leg 12 and base 1, control host 13 is fixedly installed on the outer side of the tank body of storage tank 10, display screen 131 is provided on the front side of control host 13, the value weighed by weighing sensor 121 is positioned on display screen 131, to facilitate further accurate metering effect using weighing sensor 121.

[0029] Further, the top plate body of the storage tank 10 is fixedly installed with a liquid level sensor 14, which is used for measuring the liquid level in the storage tank 10; the top tank body of the storage tank 10 is fixedly installed with a liquid inlet pipe 15, which is used for liquid inlet operation.

[0030] In addition, the liquid inlet pipe 15 is fixedly installed with two front and rear symmetrical valves 151, which are used for controlling the opening and closing operation; the two valves 151 can ensure that when one is damaged, the other can continue to be used.

[0031] It is worth noting that the liquid inlet pipe 15 is also fixedly installed with a pressure gauge 152, which is located near the side of the storage tank 10, and the pressure gauge 152 is used to display the pressure in the storage tank 10; the length of the hose 24 is greater than 3m, which is used to arrange the hose 24 at the corresponding position and then add fuel to the rocket.

[0032] Finally, it should be noted that the conveying pump 2, the flow meter 221, the metering fuel gun 25, the weighing sensor 121, the control host 13, the display screen 131 and the liquid level sensor 14 involved in the present application are all general standard parts or parts known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through conventional experimental methods. In the idle place of the device, all the electrical components, power elements, electrical components and the corresponding controllers and power supplies are connected by wires, and the specific connection means should refer to the working principle of the present application. The electrical components are connected in the order of working sequence, and the detailed connection means are all known in the art.

[0033] The rocket propellant accurate metering device of the present application is used by inserting the metering fuel gun 25 into the rocket fuel tank, opening the metering fuel gun 25, and starting the conveying pump 2, which works to deliver the fuel in the storage tank 10 to the rocket. The metering fuel gun 25 can perform metering operation, and when the added fuel reaches the specified value, the metering fuel gun 25 will be closed. At this time, the values on the metering fuel gun 25 and the flow meter 221 are compared to see if there is an error, and if there is an error, the measurement and metering need to be re-measured.

[0034] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Precise metering device for rocket propellants, comprising a storage tank (10), characterized in that: The side of the storage tank (10) is provided with a delivery pump (2), the liquid inlet end of the delivery pump (2) is fixedly installed with a suction pipe (20), the end of the suction pipe (20) is fixedly installed with a vertical pipe (21) arranged vertically, the vertical pipe (21) is located in the storage tank (10), a plurality of liquid inlet holes (211) arranged in a ring shape at equal intervals are arranged on the bottom end pipe body of the vertical pipe (21), the liquid outlet end of the delivery pump (2) is fixedly installed with a liquid outlet pipe (22), the end pipe body of the liquid outlet pipe (22) is fixedly installed with a flow meter (221), the end of the liquid outlet pipe (22) is fixedly installed with a delivery pipe (23), the bottom end of the delivery pipe (23) is fixedly installed with a hose (24), and the end of the hose (24) is fixedly installed with a metering oil gun (25).

2. The precision metering device for rocket propellants according to claim 1, characterized in that: The bottom of the storage tank (10) is fixedly installed with a base (11), and a plurality of support legs (12) arranged in a ring shape at equal intervals are fixedly installed on the bottom surface of the base (11).

3. The precision metering device for rocket propellants according to claim 2, characterized in that: A base (1) is arranged below the base (11), and a weighing sensor (121) is fixedly installed between the support legs (12) and the base (1).

4. The precision metering device for rocket propellant according to claim 1, characterized in that: The bottom end of the liquid inlet hole (211) is connected with the outside, and the cross section of the liquid inlet hole (211) is arc-shaped.

5. The precision metering device for rocket propellant according to claim 1, characterized in that: A control host (13) is fixedly installed on the outer side of the tank body of the storage tank (10), and a display screen (131) is arranged on the front side of the control host (13).

6. The precision metering device for rocket propellant according to claim 1, characterized in that: A liquid level sensor (14) is fixedly installed on the top plate body of the storage tank (10), and a liquid inlet pipe (15) is fixedly installed on the top tank body of the storage tank (10).

7. The precision metering device for rocket propellants according to claim 6, characterized in that: Two valve doors (151) symmetrical to each other are fixedly installed on the liquid inlet pipe (15), a pressure gauge (152) is also fixedly installed on the liquid inlet pipe (15), and the pressure gauge (152) is located on the side close to the storage tank (10).

8. The precision metering device for rocket propellant according to claim 1, characterized in that: The length of the hose (24) is greater than 3m, and the bottom end of the vertical pipe (21) abuts against the bottom wall of the storage tank (10).

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