CN207717370U - Bullet sends out simulation test injection exhaust system - Google Patents

Abstract

The utility model discloses a kind of bullets to send out simulation test injection exhaust system, including injector, left side is equipped with receiving chamber in the injector, the first conduit is equipped in the receiving chamber, the first conduit left end is through receiving chamber left side wall and extends on the outside of receiving chamber, the first conduit right end is equipped with nozzle, the receiving chamber center bottom is equipped with drainage import, mixing chamber is equipped on the right side of the receiving chamber, diffusion room is equipped on the right side of the mixing chamber, the second conduit is equipped in the diffusion room, diffusion room right side wall is run through in the described one end of second conduit far from diffusion room and end point is communicated with regulating valve, the regulating valve includes valve body, inner cavity is equipped in the valve body, the inner cavity top is equipped with upper opening, the upper open top end is connected with the second conduit, the upper opening is equipped with control amount ball with inner cavity junction.The utility model is simple in structure, easy to use, can control accurate flow, guarantee test result is accurate.

Description

Bullet sends out simulation test injection exhaust system

Technical field

The utility model is related to bullet hair modelling technique fields more particularly to a kind of bullet hair simulation test to be vented with injection System.

Background technology

Bullet sends out simulation test can real simulation punching engine air intake duct under the conditions of different flying heights, speed and posture Entrance flow field condition, the required environment under low pressure of simulation punching engine outlet spouts normal work.When high in ground simulation engine When empty state of flight, usually first engine is mounted in altitude simulation cabin, altitude simulation cabin is taken out using air-extractor The residing environmental pressure of height is identical when gas makes the pressure in altitude simulation cabin with engine high-altitude flight, then carries out engine Igniting carries out high-altitude flight simulation test, to remain pressure and engine height in altitude simulation cabin during the test The environmental pressure of residing height is identical when empty flight, this just needs the gas that engine is discharged immediately that stratochamber is discharged, existing In technology, generally use injector is evacuated, and injector is being drawn with higher pressure injection airflow injection low pressure (or without pressure) It emanates stream, completes the device that the suction of injection air-flow is carried out blending injection or conveying by injection air-flow, however in gas transmission process In, lack regulating device, flow velocity and flow that drainage gas is discharged into exhaust tower cannot be accurately controlled.

Through retrieval, Chinese patent Authorization Notice No. is that CN205991885U discloses a kind of supersonic speed nozzle row The exhaust apparatus of gas simulation test, including coaxial sequentially connected tail room and injector；Tail room includes big tail room and replaceable small Tail room, big tail room include coaxially connected tail room converging portion, and the straight sections such as tail room and tail room expansion segment, replaceable small tail room are coaxially set It sets in the converging portion of tail room, injector includes coaxially connected low-pressure chamber, and changeover portion blends converging portion, the straight sections such as blending, blending Expansion segment is coaxially connected with injection air-flow input section, injection air-flow converging portion in low-pressure chamber, and the straight sections such as injection air-flow draw low pressure The outlet of room and the outlet of injection air-flow expansion segment in same vertical plane, the outlet of tail room expansion segment and low-pressure chamber Entrance connects；Tail room converging portion is arranged in altitude simulation cabin, the setting of blending expansion segment altitude simulation out of my cabin.

Existing injection exhaust system has the following disadvantages：The apparatus structure is complicated, lacks control amount device, Bu Nengjing Really regulation and control are caused the throughput being discharged into exhaust tower excessive or too small, are influenced test result by the flow velocity and flow of injection air-flow.

Utility model content

The purpose of this utility model is to provide a kind of bullet send out simulation test injection exhaust system, have it is simple in structure, It is easy to use, can control accurate flow, the accurate advantage of guarantee test result, solve lack control amount device, cannot be accurate Regulation and control are caused the throughput being discharged into exhaust tower excessive or too small, are influenced test result by the flow velocity and flow of injection air-flow Problem.

Simulation test injection exhaust system, including injector are sent out according to a kind of bullet of the utility model embodiment, it is described Left side is equipped with receiving chamber in injector, and the first conduit is equipped in the receiving chamber, and the first conduit left end is left through receiving chamber Side wall simultaneously extends on the outside of receiving chamber, and the first conduit right end is equipped with nozzle, the receiving chamber center bottom be equipped with drain into Mouthful, it is equipped with mixing chamber on the right side of the receiving chamber, diffusion room is equipped on the right side of the mixing chamber, is led equipped with second in the diffusion room Pipe, diffusion room right side wall is run through in the described one end of second conduit far from diffusion room and end point is communicated with regulating valve, the adjusting Valve includes valve body, and inner cavity is equipped in the valve body, and the inner cavity top is equipped with upper opening, the upper open top end and the second conduit It is connected, the upper opening is equipped with control amount ball with inner cavity junction, and the control amount ball bottom end is fixedly connected with motion bar, the work Threaded rod is equipped at left and right sides of lever top, two threaded rod tips run through valve body roof and end point is equipped with rotation Button, the motion bar center bottom are equipped with spring, and the spring bottom end is equipped with fixed link, and the fixed link left and right ends are run through Valve body two side simultaneously extends to outside valve body, and the inner cavity bottom end is equipped under shed, and the under shed bottom end is communicated with third and leads Pipe, the third conduit right end are communicated with exhaust tower.

Further, two threaded rod top side is equipped with graduated scale.

Further, it is equipped with one layer of rubber antiskid set on two knob outer walls.

Further, two threaded rods, fixed link and valve body junction are equipped with gasket.

Further, the diffusion room is in horn-like.

Further, first conduit, the second conduit, third conduit are made of 630 stainless steels.

The utility model has an advantageous effect in that compared with prior art：

1, the pressure rise of driving fluid can be entered in exhaust tower by injector, by changing control amount ball and above opening Mouthful the distance between can be precisely controlled fluid by flow velocity and flow, so that it is passed through with most suitable speed, ensure final Test result it is accurate, by will control amount ball completely fitting on opening fluid can be prevent completely to pass through so that this regulating valve is same When play the role of trigger valve；

2, more precisely control amount, reduction error it can reinforce the adjusting by the way that gasket is arranged by reading graduated scale The leakproofness of valve prevents fluid from being escaped from valve body gap；The apparatus structure is simple, easy to use, can control accurate flow, protect Confirmatory test result is accurate.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：

Fig. 1 be the utility model proposes a kind of bullet send out simulation test injection exhaust system structural schematic diagram；

Fig. 2 be the utility model proposes a kind of bullet send out simulation test injection exhaust system regulating valve structure signal Figure.

In figure：The first conduits of 1-, 2- nozzles, 3- injectors, 4- receiving chambers, 5- mixing chambers, 6- diffusions room, 7- second are led It is opened under pipe, 8- regulating valves, 9- thirds conduit, 10- exhaust towers, 11- valve bodies, 12- motion bars, 13- fixed links, the inner cavities 14-, 15- Mouth, 16- springs, 17- control amounts ball, 18- threaded rods, 19- graduated scales, 20- knobs, opening, 22- drain import on 21-.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Referring to Fig.1-2, a kind of bullet sends out simulation test injection exhaust system, including injector 3, and left side is set in injector 3 There is receiving chamber 4, the first conduit 1 is equipped in receiving chamber 4,1 left end of the first conduit is through 4 left side wall of receiving chamber and extends to receiving chamber 4 outsides, 1 right end of the first conduit are equipped with nozzle 2, spray working fluid, and 4 center bottom of receiving chamber is equipped with drainage import 22, makes to draw For jet body thence into receiving chamber 4,4 right side of receiving chamber is equipped with mixing chamber 5, and 5 right side of mixing chamber is equipped with diffusion room 6, diffusion room 6 It is inside equipped with the second conduit 7,6 right side wall of diffusion room is run through in second one end of conduit 7 far from diffusion room 6 and end point is communicated with adjusting Valve 8 can adjust the flow velocity and flow of fluid, and regulating valve 8 includes valve body 11, and inner cavity 14,14 top of inner cavity are equipped in valve body 11 Equipped with upper opening 21,21 tops of upper opening are connected with the second conduit 7, and upper opening 21 is equipped with control amount ball with 14 junction of inner cavity 17,17 bottom end of control amount ball is fixedly connected with motion bar 12, and threaded rod 18, two screw threads are equipped at left and right sides of 12 top of motion bar 11 roof of valve body is run through on 18 top of bar and end point is equipped with knob 20, and 12 center bottom of motion bar is equipped with spring 16, spring 16 Bottom end is equipped with fixed link 13, and 13 left and right ends of fixed link are run through 11 two side of valve body and extended to outside valve body 11, inner cavity 14 Bottom end is equipped under shed 15, and 15 bottom end of under shed is communicated with third conduit 9, and 9 right end of third conduit is communicated with exhaust tower 10.

Two 18 top sides of threaded rod are equipped with graduated scale 19, keep tune amount more accurate, on two 20 outer walls of knob Equipped with one layer of rubber antiskid set, play the role of anti-skidding, two threaded rods 18, fixed link 13 and 11 junction of valve body are equipped with sealing Pad, the leakproofness of stiffening device, diffusion room 6 are in horn-like, and the first conduit 1, the second conduit 7, third conduit 9 are stainless by 630 Steel is made.

In use, working fluid enters receiving chamber 4 by the nozzle 2 of the first conduit 1, driving fluid from drainage import 22 into Enter receiving chamber 4, the two is mixed into row momentum-exchange in mixing chamber 5, and fluid-mixing subsequently enters diffusion room 6, and pressure is because of flow velocity Reduction and increase so that initial driving fluid obtains boosting fluid after injector 3 is processed and is passed through the second conduit 7, through adjusting When saving valve 8, backspin knob 20 makes control amount ball 17 far from upper opening so that rotation drive 12 compressed spring 16 of motion bar of threaded rod 19 21 pass through for fluid, according to required flow, change control amount ball 17 and upper opening 21 by reading 19 adjusting knob 20 of graduated scale Distance enters exhaust tower 10 until appropriate level, unclamps knob 20, fluid quantitative is made to pass through through third conduit 9；When needs stop Only when trandfer fluid, upper rotation knob 20 makes control amount ball 17 be bonded to be open 21, close regulating valve 8, fluid is prevented to pass through.

Place is not described in detail for the utility model, is the known technology of those skilled in the art.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of bullet sends out simulation test injection exhaust system, it is characterised in that：Including injector (3), in the injector (3) Left side is equipped with receiving chamber (4), the first conduit (1) is equipped in the receiving chamber (4), the first conduit (1) left end is through reception Room (4) left side wall simultaneously extends on the outside of receiving chamber (4), and the first conduit (1) right end is equipped with nozzle (2), the receiving chamber (4) Center bottom is equipped with drainage import (22), and mixing chamber (5) is equipped on the right side of the receiving chamber (4), is equipped on the right side of the mixing chamber (5) Diffusion room (6), the diffusion room (6) is interior to be equipped with the second conduit (7), and the one end of second conduit (7) far from diffusion room (6) is passed through It wears diffusion room (6) right side wall and end point is communicated with regulating valve (8), the regulating valve (8) includes valve body (11), the valve body (11) inner cavity (14) are equipped in, inner cavity (14) top is equipped with upper opening (21), and upper opening (21) top is led with second Pipe (7) is connected, and the upper opening (21) is equipped with control amount ball (17) with inner cavity (14) junction, and control amount ball (17) bottom end is solid Surely it is connected with motion bar (12), threaded rod (18), two threaded rods are equipped at left and right sides of motion bar (12) top (18) valve body (11) roof is run through on top and end point is equipped with knob (20), and motion bar (12) center bottom is equipped with spring (16), spring (16) bottom end is equipped with fixed link (13), and valve body (11) both sides are run through in fixed link (13) left and right ends Wall simultaneously extends to valve body (11) outside, and inner cavity (14) bottom end is equipped under shed (15), under shed (15) the bottom end connection There are third conduit (9), third conduit (9) right end to be communicated with exhaust tower (10).

2. a kind of bullet according to claim 1 sends out simulation test injection exhaust system, it is characterised in that：Two spiral shells Rasp bar (18) top side is equipped with graduated scale (19).

3. a kind of bullet according to claim 1 sends out simulation test injection exhaust system, it is characterised in that：Two rotations It is equipped with one layer of rubber antiskid set on button (20) outer wall.

4. a kind of bullet according to claim 1 sends out simulation test injection exhaust system, it is characterised in that：Two spiral shells Rasp bar (18), fixed link (13) and valve body (11) junction are equipped with gasket.

5. a kind of bullet according to claim 1 sends out simulation test injection exhaust system, it is characterised in that：The diffusion room (6) it is in horn-like.

6. a kind of bullet according to claim 1 sends out simulation test injection exhaust system, it is characterised in that：Described first leads Pipe (1), the second conduit (7), third conduit (9) are made of 630 stainless steels.