Adjusting test bed for nozzle stress application adjuster

By designing a nozzle after-force regulator adjustment test bench including a thermal oil furnace and a heat exchange mechanism, the problem of inaccurate fuel temperature control and difficulty in joint testing of multiple accessories is solved, and the function of precise control and joint testing of multiple accessories is realized, which improves the overall performance and reliability of the test bench.

CN222979046UActive Publication Date: 2025-06-13GUIZHOU SEIKO LIPENG TECH CO LTD
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Patent Information

Application Number
CN202421902464.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-06-13
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The existing nozzle afterburner adjustment test bench is difficult to achieve precise control of fuel temperature, and it is difficult to conduct joint long tests of multiple accessories of the afterburner system, which affects the reliability and functional performance verification of the test.

Method used

A test bench for nozzle overload regulator adjustment including control room, experimental room, hydraulic room and electrical room was designed. The heat conduction oil furnace was used to control the fuel temperature with the heat exchange mechanism, and precise control was achieved through the mixing of low-temperature oil and high-temperature oil. The oil supply pump, plunger pump group, lubrication system and heat exchange components were installed in the hydraulic room to support the joint long test of multiple accessories.

Benefits of technology

It realizes precise control of fuel temperature, ensures the reliability and functional performance verification of tests, and supports the combined long test of multiple accessories, improving the overall performance of the test bench.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222979046U_ABST
Patent Text Reader

Abstract

The utility model discloses a nozzle stress application regulator adjustment test bench, which comprises a control room, an experiment room, a hydraulic room and an electrical room, the experiment room is arranged between the control room and the hydraulic room, the electrical room is connected with one side of the hydraulic room, the control room comprises an industrial personal computer and a control cabinet, and the industrial personal computer is electrically connected with the control cabinet. According to the utility model, the fuel oil temperature is controlled by matching the heat-conducting oil furnace with the heat exchange mechanism, so that low-temperature oil and high-temperature oil are mixed to realize accurate control on the fuel oil temperature. When the temperature of the fuel oil is higher than the set temperature, the heat conduction oil furnace stops heating the fuel oil, and fine adjustment control is conducted on the temperature of the high-temperature fuel oil by injecting a certain amount of cooling oil into the high-temperature fuel oil pipeline; and finally, the set temperature value of the fuel oil is reached. The device is mainly used for the adjustment test, the acceptance test and the long-term test of the nozzle stress application regulator. And multi-type accessory joint long-term test of the stress application system can be carried out. Functional performance and reliability of the test piece are verified or confirmed through experiments.
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Description

Technical Field

[0001] The utility model belongs to the technical field of afterburner nozzle testing, and particularly relates to an adjustment test bench for an afterburner nozzle regulator. Background Art

[0002] The adjustment test bench for an afterburner nozzle regulator is mainly used for adjustment tests, acceptance tests and long-term tests of the afterburner nozzle regulator. And it is required to be able to carry out combined long-term tests of multiple types of accessories in the afterburner system, such as: afterburner nozzle regulator, afterburner fuel distributor, emergency fuel discharge accessory, afterburner fuel pump, etc. The function, performance and reliability of the product are verified or confirmed through experiments. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides an adjustment test bench for an afterburner nozzle regulator.

[0004] The utility model is achieved through the following technical solutions.

[0005] The adjustment test bench for an afterburner nozzle regulator provided by the utility model includes a control room, an experiment room, a hydraulic room and an electrical room. The experiment room is arranged between the control room and the hydraulic room. The electrical room is connected to one side of the hydraulic room. The control room includes an industrial control computer and a control cabinet, and the industrial control computer and the control cabinet are electrically connected.

[0006] Preferably, the experiment room includes an operation table and a flowmeter, and the operation table and the flowmeter are electrically connected.

[0007] Preferably, the hydraulic room includes an oil supply pump, a plunger pump group, a lubrication system, an oil tank and a heat exchange component. The liquid inlet end of the oil tank is connected to the oil supply pump through a pipeline. The liquid outlet end of the oil tank is respectively connected to the plunger pump group and the heat exchange component through pipelines. The liquid outlet end of the plunger pump group is connected to the lubrication system through a pipeline.

[0008] Preferably, the oil tank includes a closed heat-insulated oil tank, the volume of the oil tank is not less than 1m 3 , and a safety pressure reducing valve is arranged on the oil tank.

[0009] Preferably, the lubrication system includes an afterburner system lubrication device and a gearbox lubrication device.

[0010] Preferably, the hydraulic room includes a motor, an afterburner fuel pump and a gearbox. The motor is connected to the gearbox, and the afterburner fuel pump is connected to the gearbox. The heat exchange component includes a heat exchange mechanism, a heat-conducting oil furnace and a refrigerator. The outlet end of the heat exchange mechanism is connected to the outlet end of the refrigerator through a pipeline. The outlet end of the heat-conducting oil furnace is connected to the inlet end of the heat exchange mechanism through a pipeline.

[0011] Preferably, the heat exchange mechanism includes heat exchanger A and heat exchanger B. The outlet end of heat exchanger A is connected to the outlet end of heat exchanger B through a pipeline, and the inlet end of heat exchanger B is connected to the outlet end of the heat transfer oil furnace through a pipeline.

[0012] Preferably, the heat exchange mechanism includes a human body sensor and an alarm, and the human body sensor is electrically connected to the alarm.

[0013] Preferably, the electrical room includes several electrical control cabinets, and the electrical control cabinets are electrically connected to the control room, the experimental room and the hydraulic room.

[0014] The beneficial effects of the present utility model are as follows:

[0015] The fuel temperature control of the present utility model adopts a heat transfer oil furnace in cooperation with a heat exchange mechanism for control, and mixes low-temperature oil and high-temperature oil to achieve precise control of the fuel temperature. When the temperature of the fuel is higher than the set temperature, the heat transfer oil furnace stops heating the fuel, and a certain amount of cooling oil is injected into the high-temperature fuel pipeline to finely control the temperature of the high-temperature fuel; finally, the set temperature value of the fuel is reached. The present utility model is mainly used for the adjustment test, acceptance test and long-term test of the nozzle afterburner regulator. And it can carry out joint long-term tests of multiple types of accessories in the afterburner system, such as: nozzle afterburner regulator, afterburner fuel distributor, emergency fuel discharge accessory, afterburner fuel pump, etc. Verify or confirm the functional performance and reliability of the test piece through experiments. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] In the figure: 1 - control room, 11 - industrial control computer, 12 - control cabinet, 2 - experimental room, 21 - operating table, 22 - flowmeter, 3 - hydraulic room, 31 - oil supply pump, 32 - plunger pump group, 33 - lubrication system, 331 - afterburner system lubrication device, 332 - gearbox lubrication device, 34 - fuel tank, 35 - motor, 36 - afterburner fuel pump, 37 - gearbox, 4 - electrical room, 41 - electrical control cabinet, 5 - heat exchange component, 51 - heat transfer oil furnace, 52 - refrigerator, 6 - heat exchange mechanism, 61 - heat exchanger A, 62 - heat exchanger B. Detailed Embodiments

[0018] The technical solution of the present utility model will be further described below, but the scope of protection claimed is not limited thereto.

[0019] Embodiment:

[0020] As Figure 1As shown in the figure, a nozzle afterburner regulator adjustment test bench includes a control room 1, an experimental room 2, a hydraulic room 3, and an electrical room 4. The experimental room 2 is arranged between the control room 1 and the hydraulic room 3. The electrical room 4 is connected to one side of the hydraulic room 3. The control room 1 includes an industrial control computer 11 and a control cabinet 12, and the industrial control computer 11 and the control cabinet 12 are electrically connected. The industrial control computer 11 and the control cabinet 12 form a control system, which can be used to collect the parameter data to be measured and the operation data of the experimental room 2 and the hydraulic room 3, and transmit the data to the electrical room 4.

[0021] The experimental room 2 includes an operation table 21 and a flowmeter 22. The inlet end of the operation table 21 is connected to the outlet end of the flowmeter 22 through a pipeline, and the operation table 21 and the flowmeter 22 are electrically connected. The flowmeter 22 adopts a turbine flowmeter, and the inlet end of the flowmeter 22 is connected to the outlet end of the fuel tank 34 through a pipeline. The operation table 21 can measure and control the parameters of other systems during the experiment.

[0022] The hydraulic room 3 includes an oil supply pump 31, a plunger pump group 32, a lubrication system 33, a fuel tank 34, and a heat exchange component 5. The liquid inlet end of the fuel tank 34 is connected to the oil supply pump 31 through a pipeline. The liquid outlet end of the fuel tank 34 is connected to the plunger pump group 32 and the heat exchange component 5 through pipelines respectively. The liquid outlet end of the plunger pump group 32 is connected to the lubrication system 33 through a pipeline.

[0023] The fuel tank 34 includes a closed thermal insulation fuel tank, and the volume of the fuel tank 34 is not less than 1m 3 , and a safety pressure reducing valve is arranged on the fuel tank 34 to prevent the fuel from deteriorating under high temperature conditions.

[0024] The lubrication system 33 includes an afterburner system lubrication device 331 and a gearbox lubrication device 332. The afterburner system lubrication device 331 is connected to the motor 35 to drive the fuel pump 36, and the gearbox lubrication device 332 is connected to the gearbox 36. The lubrication system 33 lubricates and cools the transmission system to ensure the long-term reliable operation of the transmission system. The transmission system includes a motor 35, a fuel pump 36 for afterburner, and a gearbox 37. The lubrication system 33 has a lubricating oil heating function and can operate for a long time at normal temperature to 130 °C, and the maximum temperature can reach 220 °C. A human body sensor can be installed between the pipelines of the lubrication system 33, which can give an audible and visual alarm to avoid scalding personnel. When the lubricating oil pressure or temperature of the lubrication system 33 exceeds the set upper limit value, the industrial control computer 11 and the control cabinet 12 receive the feedback and send an alarm signal, and immediately automatically reduce the speed of the motor 35 to stop. The system provides a safety warning information management function, which can trace and search for safety warning information.

[0025] The hydraulic compartment 3 includes a motor 35, a booster fuel pump 36, and a gearbox 37. The motor 35 is connected to the gearbox 37, and the booster fuel pump 36 is connected to the gearbox 37. The motor 35 is a DC motor. The motor 35 is used in conjunction with the high-speed gearbox 37 to smoothly change the rotational speed of the booster fuel pump 37 from 500 r / min to 30,000 r / min, and the rotational speed control accuracy is ±25 r / min.

[0026] The heat exchange assembly 5 includes a heat exchange mechanism 6, a heat-conducting oil furnace 51, and a refrigerator 52. The outlet ends of the heat exchange mechanism 6 are both connected to the outlet end of the refrigerator 52 through pipelines. Low-temperature oil is input through the refrigerator 52. The outlet end of the heat-conducting oil furnace 51 is connected to the inlet end of the heat exchange mechanism 6 through a pipeline, and the inlet end of the heat-conducting oil furnace 51 is connected to the outlet end of the heat exchange mechanism 6 through a pipeline. The heat exchange assembly 5 can heat the imported fuel, command oil, and high-pressure oil of the test piece in the high-temperature test state, and can cool the input oil through the refrigerator 52.

[0027] Ball valves and pressure measuring joints are installed at the inlet / outlet of the oil pipeline of the heat exchange mechanism 6 for regular pressure testing of the test bench. The fuel temperature of the test bench is 0 - 160 °C. A temperature sensor is provided at the outlet end of the heat-conducting oil furnace 51, and a flow monitoring device is configured at an appropriate position on the pipeline at the outlet end of the heat-conducting oil furnace 51 for monitoring and protection. High-temperature oil-resistant rubber gaskets are used for sealing at the connection between the heat-conducting oil furnace 51 and the pipeline.

[0028] The heat exchange mechanism 6 includes a heat exchanger A61 and a heat exchanger B62. The outlet end of the heat exchanger A61 is connected to the outlet end of the heat exchanger B62 through a pipeline. The inlet end of the heat exchanger A61 is connected to the outlet end of the fuel tank 34 through a pipeline. The inlet end of the heat exchanger B62 is connected to the outlet end of the heat-conducting oil furnace 51 through a pipeline, and the inlet end of the heat exchanger B62 is connected to the inlet end of the fuel tank 34 through a pipeline.

[0029] The heat exchange mechanism 6 includes a human body sensor and an alarm. The human body sensor is electrically connected to the alarm, and the human body sensor and the alarm can be set on the pipeline of the heat exchange mechanism 6. When a dangerous test is being carried out, if someone approaches, an audible and visual alarm will be triggered immediately.

[0030] The electrical compartment 4 includes a number of electrical control cabinets 41. The electrical control cabinets 41 are electrically connected to the control compartment 1, the experimental compartment 2, and the hydraulic compartment 3. The electrical control cabinets 41 are comprehensive controllers for debugging the test piece, and a PLC control system can be adopted, and control cables connected to the test piece are equipped. The upper computer system of the electrical control cabinets 41 uses a large database system for data management, and at the same time supports Webservice and can be seamlessly connected to the ERP system.

Claims

1. Nozzle booster regulator adjustment test bench, characterized by: The invention comprises a control room (1), a laboratory room (2), a hydraulic room (3) and an electrical room (4), wherein the laboratory room (2) is arranged between the control room (1) and the hydraulic room (3), the electrical room (4) is connected to one side of the hydraulic room (3), and the control room (1) comprises an industrial computer (11) and a control cabinet (12), and the industrial computer (11) and the control cabinet (12) are electrically connected.

2. The nozzle booster regulator adjustment test bench according to claim 1, characterized in that: The laboratory room (2) comprises an operating table (21) and a flow meter (22), and the operating table (21) and the flow meter (22) are electrically connected.

3. The nozzle booster regulator adjustment test bench according to claim 1, characterized in that: The hydraulic room (3) comprises an oil supply pump (31), a plunger pump group (32), a lubrication system (33), an oil tank (34) and a heat exchange component (5); the liquid inlet end of the oil tank (34) is connected to the oil supply pump (31) via a pipeline; the liquid outlet end of the oil tank (34) is connected to the plunger pump group (32) and the heat exchange component (5) via pipelines respectively; and the liquid outlet end of the plunger pump group (32) is connected to the lubrication system (33) via a pipeline.

4. The nozzle booster regulator adjustment test bench according to claim 3, characterized in that: The oil tank (34) comprises a closed heat-insulating oil tank, and the volume of the oil tank (34) is not less than 1m 3 A safety pressure reducing valve is provided on the oil tank (34).

5. The nozzle booster regulator adjustment test bench according to claim 3, characterized in that: The lubrication system (33) comprises a boost system lubrication device (331) and a gear box lubrication device (332).

6. The nozzle booster regulator adjustment test bench according to claim 3, characterized in that: The hydraulic room (3) comprises a motor (35), a booster fuel pump (36) and a gearbox (37); the motor (35) is connected to the gearbox (37); the booster fuel pump (36) is connected to the gearbox (37); the heat exchange assembly (5) comprises a heat exchange mechanism (6), a heat transfer oil furnace (51) and a refrigerator (52); the outlet end of the heat exchange mechanism (6) is connected to the outlet end of the refrigerator (52) via a pipeline; the outlet end of the heat transfer oil furnace (51) is connected to the inlet end of the heat exchange mechanism (6) via a pipeline.

7. The nozzle booster regulator adjustment test bench according to claim 6, characterized in that: The heat exchange mechanism (6) comprises a heat exchanger A (61) and a heat exchanger B (62), wherein the outlet end of the heat exchanger A (61) is connected to the outlet end of the heat exchanger B (62) via a pipeline, and the inlet end of the heat exchanger B (62) is connected to the outlet end of the heat transfer oil furnace (51) via a pipeline.

8. The nozzle booster regulator adjustment test bench according to claim 6, characterized in that: The heat exchange mechanism (6) comprises a human body sensor and an alarm, and the human body sensor is electrically connected to the alarm.

9. The nozzle booster regulator adjustment test bench according to claim 1, characterized in that: The electrical room (4) includes a plurality of electrical control cabinets (41), and the electrical control cabinets (41) are electrically connected to the control room (1), the laboratory room (2) and the hydraulic room (3).