Aero-engine oil way test tool

Abstract

The utility model discloses an aero-engine oil way test tool, which relates to the technical field of test tools and comprises a test cavity, a controller arranged at the top of the test cavity, a display screen arranged on one side of the test cavity, a working chamber arranged on one side of the test cavity, and a sealing plate slidably connected to the front side of the test cavity. The sealing plate is matched with the working cavity, the rear side face of the sealing plate and the front side face of the testing cavity are located on the same horizontal plane, two sets of first hydraulic cylinders are arranged at the bottom of the testing cavity, and the sealing plate is connected with the output ends of the two sets of first hydraulic cylinders; a positioning assembly is arranged in the working chamber, the positioning assembly comprises a base arranged in the working chamber, and a first clamping part is fixedly mounted at the top of the base, so that the nozzle to be detected can be conveniently fixed through the positioning assembly, the positioning assembly is convenient to adjust so as to position nozzles of various models, and the operation is simple; the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test frock technical field, concretely is an aero -engine oil circuit test frock. BACKGROUND

[0002] The function of fuel nozzle is atomizing fuel, accelerating the formation of mixed gas, ensuring stable combustion and improving combustion efficiency. The fuel nozzle used on aero -engine includes centrifugal nozzle, pneumatic nozzle and evaporation nozzle. Fuel enters the nozzle cavity under the action of oil pressure, rotates at high speed, and atomizes under the action of centrifugal force when it is sprayed from the nozzle. Fuel nozzle is one of the most critical components of aero -engine, and aero -engine oil circuit test frock is a tool and equipment for testing aero -engine oil circuit, mainly used for simulating the working state of fuel nozzle under actual working condition to ensure its performance and reliability.

[0003] On this basis, according to Chinese patent application No. 202122765673.4, an aero -engine oil circuit test frock is disclosed, which belongs to the field of aero -engine, including workbench, detection area is arranged on the workbench, support is arranged on the detection area, embedded seat with opening upward is arranged on the support, pressurizing sealing cover is arranged on one side of the detection area of the workbench, high temperature pressurizing assembly is arranged on one side of the workbench, the high temperature pressurizing assembly is connected with the pressurizing sealing cover, butt joint pipeline is arranged on the detection area, sensor assembly is arranged on the detection area; The device has good nozzle actual working condition simulation, the pressurizing sealing cover can also improve the safety of the device, and oil splashing is avoided;

[0004] But there are the following deficiencies in the above patent: when using the device, the oil nozzle to be measured is fixed by the support and the cooperating clamping bolt, which is complicated to operate, needs manual operation, and is not convenient for the operator to stabilize the oil nozzle of different models, reducing the practicability of the device.

[0005] In view of the above problems, an aero -engine oil circuit test frock is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an aero -engine oil circuit test frock, which adopts the device to work, thereby solving the problem that when using the device, the oil nozzle to be measured is fixed by the support and the cooperating clamping bolt, which is complicated to operate, needs manual operation, and is not convenient for the operator to stabilize the oil nozzle of different models, reducing the practicability of the device.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: An aeroengine oil circuit test tool, including test cavity, the test cavity top is provided with controller, test cavity one side is provided with display screen, test cavity one side is provided with working chamber, test cavity front side slidingly connected with sealing plate, sealing plate with working chamber each other match, sealing plate rear side surface with test cavity front side surface is in the same horizontal plane, test cavity bottom is provided with first hydraulic cylinder, and first hydraulic cylinder is provided with two groups, sealing plate with two group first hydraulic cylinder output end is connected, working chamber inside is provided with positioning assembly, positioning assembly includes the base that sets up in working chamber inside, base top fixed mounting has first clamping part, base top surface slidingly connected with second clamping part, second clamping part with first clamping part is by the same component made component.

[0008] Preferably, the top surface of the base is provided with a limiting cavity, the bottom of the second clamping part is fixedly connected with a sliding block, and the sliding block is slidingly connected in the limiting cavity.

[0009] Preferably, the second clamping part includes a support block provided on the top surface of the base, a through cavity is provided in the middle of the support block, an upper positioning plate is fixedly connected to the top wall of the through cavity, a through slot is provided in the through cavity, a second hydraulic cylinder is provided in the support block, a lower positioning plate is provided at the lower end of the upper positioning plate, and the output end of the second hydraulic cylinder is connected with the lower positioning plate through the through slot.

[0010] Preferably, the test cavity is fixedly connected with a fixed plate on one side, the top surface of the fixed plate is fixedly connected with a limiting rod, one side of the sealing plate is fixedly connected with a limiting block, and the limiting block is slidingly connected to the outer periphery of the limiting rod.

[0011] Preferably, the test cavity is provided with an oil supply pipe assembly on one side, one end of the oil supply pipe assembly extends into the working chamber, and one end of the oil supply pipe assembly is provided with a material conveying hose.

[0012] Preferably, the test cavity is provided with an air inlet pipe assembly on one side, one end of the air inlet pipe assembly extends into the working chamber.

[0013] Preferably, the working chamber is provided with a sampling plate assembly inside, the sampling plate assembly is arranged on the opposite side of the to-be-tested fuel nozzle in the spraying direction, a pressure sensor is arranged on one side of the sampling plate assembly, and the pressure sensor is provided with multiple groups.

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

[0015] 1、When the oil circuit of the aero-engine needs to be tested, the fuel nozzle to be tested is fixed in advance inside the working chamber, two groups of first hydraulic cylinders are opened, the two groups of first hydraulic cylinders drive the sealing plate to rise, after the sealing plate is lifted, the working chamber is opened, the operator can stabilize the nozzle through the positioning assembly, according to the length of the nozzle to be tested, the distance between the first clamping part and the second clamping part is adjusted, the slider can be slid left and right horizontally along the limiting cavity, and then the distance between the first clamping part and the second clamping part can be adjusted, when the distance between the first clamping part and the second clamping part is determined, the nozzle passes through two groups of through cavities at the same time, two groups of second hydraulic cylinders are opened, the second hydraulic cylinders are elongated to drive the lower positioning plate to be elongated, until the nozzle is tightly clamped and fixed at one end through the upper positioning plate and the lower positioning plate, the two ends of the nozzle are fixed by the second clamping part and the first clamping part respectively, and subsequent nozzle testing is waited; when the nozzle needs to be taken out from the working chamber, two groups of second hydraulic cylinders are retracted, the second hydraulic cylinders drive the lower positioning plate to move away from the nozzle, the second hydraulic cylinders give up the fixation of the nozzle, and then the nozzle can be taken out from the two groups of through cavities, and the taking out of the nozzle is completed, the positioning assembly is convenient for fixing the nozzle to be tested, the positioning assembly is convenient to adjust, and thus various types of nozzles can be positioned, the operation is simple, and the practicality of the device is improved.

[0016] 2、When the nozzle to be tested is stabilized through the positioning assembly, the fuel nozzle is fixed, the fuel nozzle is connected with the material feeding hose, two groups of first hydraulic cylinders are retracted, the first hydraulic cylinders drive the sealing plate to descend, until the sealing plate blocks the front side of the working chamber, so that the test cavity is in a closed state, the user can supply oil to the nozzle through the oil supply pipe assembly, the nozzle is supplied with oil through the material feeding hose, the nozzle is simulated to spray oil, and the pressurized high-temperature gas is conveyed into the air inlet pipe assembly, so that a high-temperature and high-pressure environment is formed in the test cavity, the operator can control the air pressure and temperature in the test cavity, the test cavity can improve the safety of testing, oil stains are prevented from splashing around, and the whole device better simulates the actual working condition of the nozzle. Since the sampling plate assembly is arranged opposite the jet direction of the nozzle, a plurality of pressure sensors are installed on the sampling plate assembly, through the above scheme, the sampling plate is arranged with the pressure sensor, the jet pressure of the nozzle can be detected, the sensor assembly collects corresponding data, and then the operator can complete the testing work of the nozzle. This arrangement enables the device to simulate the working state of the fuel nozzle under actual working conditions, ensures the reliability of the test results, and improves the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a structure view after the test cavity of the utility model is opened;

[0019] Figure 3The utility model discloses a working chamber structure diagram;

[0020] Figure 4 The utility model discloses a positioning assembly structure diagram;

[0021] Figure 5 The utility model discloses a clamping part structure diagram;

[0022] Figure 6 The utility model discloses a lower positioning plate part structure diagram.

[0023] In the drawing: 1, test cavity, 11, display screen, 12, controller, 13, air inlet pipe assembly, 14, oil supply pipe assembly, 15, working chamber, 16, sampling plate assembly, 111, fixed plate, 112, limit rod, 113, limit block, 114, sealing plate, 115, first hydraulic cylinder, 141, material hose, 2, positioning assembly, 21, base, 22, first clamping part, 23, second clamping part, 24, limit cavity, 25, sliding block, 231, through cavity, 232, upper positioning plate, 233, through slot, 234, lower positioning plate, 235, support block, 236, second hydraulic cylinder. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0025] In order to further understand the contents of the utility model, the utility model will be described in detail in connection with the drawings.

[0026] In connection with Figures 1-6 An aeroengine oil circuit test tool, including test cavity 1, test cavity 1 top is provided with controller 12, test cavity 1 one side is provided with display screen 11, test cavity 1 one side is provided with working chamber 15, test cavity 1 front side is slidably connected with sealing plate 114, sealing plate 114 and working chamber 15 are mutually matched, sealing plate 114 rear side surface and test cavity 1 front side surface are on the same horizontal plane, test cavity 1 bottom is provided with first hydraulic cylinder 115, and first hydraulic cylinder 115 is provided with two groups, and sealing plate 114 is connected with the output end of two groups of first hydraulic cylinder 115;Working chamber 15 is internally provided with positioning assembly 2, and positioning assembly 2 includes the base 21 that is arranged in the inside of working chamber 15, and the first clamping part 22 of fixed mounting is installed at the top of base 21, and the second clamping part 23 is slidably connected to the top surface of base 21, and the second clamping part 23 and the first clamping part 22 are made of the same component.

[0027] The utility model will be further described below in combination with the embodiments.

[0028] Embodiment 1:

[0029] The embodiment discloses the following technical scheme, specifically as Figures 2-6 As shown in the figure: the base 21 top surface is provided with a limiting cavity 24, the second clamping part 23 bottom is fixedly connected with a sliding block 25, the sliding block 25 is slidably connected in the limiting cavity 24, the second clamping part 23 includes the support block 235 arranged on the top surface of the base 21, the support block 235 middle part is provided with a through cavity 231, the through cavity 231 inner cavity top wall is fixedly connected with an upper locating plate 232, the through cavity 231 is provided with a through slot 233 in the inside, the support block 235 is provided with a second hydraulic cylinder 236 in the inside, the lower end of the upper locating plate 232 is provided with a lower locating plate 234, the second hydraulic cylinder 236 output end passes through the through slot 233 and is connected with the lower locating plate 234, one side of the test cavity 1 is fixedly connected with a fixed plate 111, the fixed plate 111 top surface is fixedly connected with a limiting rod 112, one side of the sealing plate 114 is fixedly connected with a limiting block 113, the limiting block 113 is slidably connected on the limiting rod 112 periphery.

[0030] Embodiment 2:

[0031] The embodiment discloses the following technical scheme, specifically as Figures 1-3 As shown in the figure: the test cavity 1 one side is provided with oil supply pipe assembly 14, oil supply pipe assembly 14 one end extends to the inside of the working chamber 15, oil supply pipe assembly 14 one end is provided with a through material hose 141, the test cavity 1 one side is provided with an air inlet pipe assembly 13, the air inlet pipe assembly 13 one end extends to the inside of the working chamber 15, the working chamber 15 is provided with a sampling plate assembly 16 in the inside, the sampling plate assembly 16 is arranged on the opposite side of the fuel nozzle to be measured, the sampling plate assembly 16 one side is provided with a pressure sensor, and the pressure sensor is provided with multiple groups.

[0032] In summary: when the oil circuit of the aircraft engine needs to be tested, the fuel nozzle to be tested is pre-fixed inside the working chamber 15, two groups of first hydraulic cylinders 115 are opened, the sealing plate 114 is lifted by the two groups of first hydraulic cylinders 115, after the sealing plate 114 is lifted, the working chamber 15 is opened, the operator can stabilize the nozzle through the positioning assembly 2, according to the length of the nozzle to be tested, the distance between the first clamping part 22 and the second clamping part 23 is adjusted, the sliding block 25 can be horizontally slid along the limiting cavity 24, and then the distance between the first clamping part 22 and the second clamping part 23 can be adjusted, when the distance between the first clamping part 22 and the second clamping part 23 is determined, the nozzle passes through two groups of through cavities 231 at the same time, two groups of second hydraulic cylinders 236 are opened, the second hydraulic cylinders 236 are elongated to drive the lower positioning plate 234 to be elongated, until the nozzle is tightly clamped and fixed by the upper positioning plate 232 and the lower positioning plate 234, the two ends of the nozzle are fixed by the second clamping part 23 and the first clamping part 22 respectively, and the subsequent nozzle test is waited; when the nozzle needs to be taken out from the working chamber 15, the two groups of second hydraulic cylinders 236 are retracted, the lower positioning plate 234 is moved away from the nozzle by the second hydraulic cylinders 236, the second hydraulic cylinders 236 give up fixing the nozzle, and then the nozzle can be taken out from the two groups of through cavities 231, and the taking out of the nozzle is completed. This arrangement is convenient for fixing the nozzle to be tested through the positioning assembly 2, and the positioning assembly 2 is convenient to adjust, so that various types of nozzles can be positioned, the operation is simple, and the practicality of the device is improved.

[0033] When the nozzle to be tested is stabilized by the positioning assembly 2, the fuel nozzle is fixed, the material conveying hose 141 is connected with the fuel nozzle, the two groups of first hydraulic cylinders 115 are retracted, the first hydraulic cylinders 115 drive the sealing plate 114 to descend, until the sealing plate 114 blocks the front side of the working chamber 15, so that the test cavity 1 is in a closed state, the user can supply oil to the nozzle through the oil supply pipe assembly 14, supply oil to the fuel nozzle through the material conveying hose 141, simulate oil injection of the fuel nozzle, and transport pressurized high-temperature gas into the air inlet pipe assembly 13, so that a high-temperature and high-pressure environment is formed in the test cavity 1. The operator can control the air pressure and temperature in the test cavity 1, the test cavity 1 can improve the safety of the test, avoid oil splashing around, and the whole device better simulates the actual working condition of the nozzle. Since the sampling plate assembly 16 is arranged opposite to the jet direction of the nozzle, a plurality of pressure sensors are installed on the sampling plate assembly 16, through the above scheme, the sampling plate is arranged with the pressure sensor, the jet pressure of the nozzle can be detected, the sensor assembly collects corresponding data, and then the operator can complete the test work of the nozzle. This arrangement makes the device simulate the working state of the fuel nozzle in the actual working condition, ensures the reliability of the test result, and improves the practicality of the device.

[0034] It should be noted that the above-mentioned electrical elements are provided with power supplies, and their control modes are prior art, in order to avoid tedious description, which are uniformly described herein; and the present application is mainly used to protect mechanical equipment, so the control mode and circuit connection are not explained in detail in the text, in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A testing fixture for an aircraft engine oil circuit, comprising a testing chamber (1), characterized in that: A controller (12) is provided on the top of the test chamber (1), a display screen (11) is provided on one side of the test chamber (1), a working chamber (15) is provided on one side of the test chamber (1), a sealing plate (114) is slidably connected to the front side of the test chamber (1), the sealing plate (114) matches the working chamber (15), the rear side of the sealing plate (114) is on the same horizontal plane as the front side of the test chamber (1), and a first hydraulic cylinder (115) is provided at the bottom of the test chamber (1). 115) Two sets are provided, and the sealing plate (114) is connected to the output end of the two sets of first hydraulic cylinders (115); the working chamber (15) is provided with a positioning component (2), the positioning component (2) includes a base (21) disposed inside the working chamber (15), the top of the base (21) is fixedly installed with a first clamping component (22), the top surface of the base (21) is slidably connected with a second clamping component (23), the second clamping component (23) and the first clamping component (22) are components made of the same parts.

2. The aero-engine oil circuit testing fixture according to claim 1, characterized in that: The base (21) has a limiting cavity (24) on its top surface, and the second clamping component (23) has a slider (25) fixedly connected to its bottom. The slider (25) is slidably connected inside the limiting cavity (24).

3. The aero-engine oil circuit testing fixture according to claim 2, characterized in that: The second clamping component (23) includes a support block (235) disposed on the top surface of the base (21). A through cavity (231) is provided in the middle of the support block (235). An upper positioning plate (232) is fixedly connected to the top wall of the inner cavity of the through cavity (231). A through groove (233) is provided inside the through cavity (231). A second hydraulic cylinder (236) is disposed inside the support block (235). A lower positioning plate (234) is provided at the lower end of the upper positioning plate (232). The output end of the second hydraulic cylinder (236) passes through the through groove (233) and is connected to the lower positioning plate (234).

4. The aero-engine oil circuit testing fixture according to claim 3, characterized in that: A fixing plate (111) is fixedly connected to one side of the test chamber (1), a limiting rod (112) is fixedly connected to the top surface of the fixing plate (111), a limiting block (113) is fixedly connected to one side of the sealing plate (114), and the limiting block (113) is slidably connected to the outer periphery of the limiting rod (112).

5. The aircraft engine oil circuit testing fixture according to claim 4, characterized in that: The test chamber (1) is provided with an oil supply pipe assembly (14) on one side, one end of which extends into the working chamber (15), and one end of which is provided with a feed hose (141).

6. The aero-engine oil circuit testing fixture according to claim 5, characterized in that: An air inlet pipe assembly (13) is provided on one side of the test chamber (1), and one end of the air inlet pipe assembly (13) extends into the working chamber (15).

7. The aero-engine oil circuit testing fixture according to claim 6, characterized in that: The working chamber (15) is equipped with a sampling plate assembly (16), which is located directly opposite the injection direction of the fuel nozzle to be tested. A pressure sensor is provided on one side of the sampling plate assembly (16), and multiple pressure sensors are provided.

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