Power measuring module

Abstract

The utility model belongs to the technical field of turbojet engine testing, and discloses a power measuring module which comprises a supporting assembly arranged on a base, and the supporting assembly comprises two supporting seats symmetrically sliding on the base; the fixing assembly comprises fixing blocks installed at the top end of the supporting base in an embedded mode, and a fixing ring used for fixing an engine body of the turbojet engine is arranged between the two fixing blocks. The measuring assembly is arranged between the fixing block and the supporting seat and is used for measuring the power of the turbojet engine; the adjusting assembly is arranged on the base, is in transmission connection with the two supporting seats and is used for adjusting the distance between the two supporting seats, and the adjusting assembly is matched with the fixing rings of different specifications to fix the turbojet engines of different specifications. The device is simple and compact in structure, is convenient to use, can be adjusted according to the power measurement requirements of turbojet engines of different specifications, is flexible and convenient to adjust, is high in applicability, and can be conveniently distributed to test turbojet engines of different batches and models.

Description

TECHNICAL FIELD

[0001] The utility model belongs to turbojet engine test technical field especially relates to a power measurement module. BACKGROUND

[0002] In the field of research and development of aviation industry and high-performance power system, as the core power device, the accurate test of performance parameters of turbojet engine is very important for improving engine efficiency, optimizing structure design and ensuring flight safety. Power performance is the core parameter of turbojet engine, and power measurement of turbojet engine is the key link to evaluate its performance and efficiency.

[0003] The existing turbojet engine power test mainly relies on a power test platform. When in use, the turbojet engine is fixed on the platform, then the turbojet engine is started, the turbojet engine generates thrust, and the thrust generated by the engine is tested through the test platform. At this time, the speed and power of the turbojet engine can be adjusted, and the power parameters of the turbojet engine under different operating conditions can be tested. However, this test platform can only test a certain type of turbojet engine, and does not have adjustability, has insufficient applicability, needs to prepare different measurement modules for different types of turbojet engines, increases the test cost, and also occupies more test space.

[0004] Therefore, the present application designs a power measurement module to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a power measurement module.

[0006] To achieve the above purpose, the utility model provides a power measurement module, which comprises:

[0007] The support assembly comprises two support seats arranged on the base, and the two support seats are symmetrically slid on the top surface of the base.

[0008] The fixing assembly comprises fixing blocks embedded and installed at the top ends of the support seats, and a fixing ring for fixing the body of the turbojet engine is arranged between the two fixing blocks.

[0009] The measurement assembly is arranged between the fixing blocks and the support seats, and measures the power of the turbojet engine.

[0010] The adjusting assembly is arranged on the base and is in transmission connection with the two support seats, is used for adjusting the distance between the two support seats, and is suitable for fixing turbojet engines of different specifications by adapting the fixing rings of different specifications.

[0011] Preferably, the base is fixed in the test space, the base is internally provided with an electrically connected control module and a power supply module, and the control module is electrically connected with the measuring assembly.

[0012] Preferably, the top end of the support seat is provided with a positioning groove corresponding to the fixing block, the fixing block is embeddedly installed in the positioning groove, and the measuring assembly is arranged between the side wall of the positioning groove and the side wall of the fixing block.

[0013] Preferably, the measuring assembly comprises an installation groove provided in the side wall of the positioning groove, a pressure sensor electrically connected with the control module is installed in the installation groove, and a measuring end of the pressure sensor extends out of the installation groove and abuts against the side wall of the fixing block.

[0014] Preferably, the end of the fixing block away from the pressure sensor is provided with a clearance hole, and a locking rod elastically slides in the clearance hole; the side wall of the positioning groove is provided with a locking hole corresponding to the clearance hole, and the locking rod extends out of the clearance hole and is clamped into the locking hole.

[0015] Preferably, the top end of the support seat is provided with a clamping groove, the clamping groove is in communication with the side wall top end of the locking hole; the outer wall of the locking rod is fixedly connected with a clamping plate corresponding to the clamping groove, and the clamping plate is slidingly arranged in the clamping groove.

[0016] Preferably, the end of the clearance hole away from the locking hole is communicated with a positioning hole, the locking rod extends into the positioning hole and is fixedly connected with a positioning plate, the positioning plate is slidingly connected in the positioning hole; a plurality of return springs are arranged between the positioning hole and the positioning plate.

[0017] Preferably, the adjusting assembly comprises an adjusting motor fixedly installed on the base, an output end of the adjusting motor is drivingly connected with a first adjusting screw, the first adjusting screw is drivingly connected with a second adjusting screw through a transmission box, and the first adjusting screw and the second adjusting screw are respectively in screw transmission with the support seat.

[0018] Preferably, the transmission box comprises a box body installed at the top end of the base, a first transmission gear and a second transmission gear are rotatably connected in the box body, and the first transmission gear and the second transmission gear are in meshing transmission; the first adjusting screw extends into the box body and is drivingly connected with the first transmission gear, and the second adjusting screw extends into the box body and is drivingly connected with the second transmission gear.

[0019] Preferably, two symmetrical limiting blocks are arranged on the base, and the two support seats are located between the two limiting blocks; a plurality of guide rods are arranged between the two limiting blocks, and the guide rods pass through the support seat and are slidingly connected with the support seat.

[0020] Compared with the prior art, the power measurement module has the advantages and technical effects that: the two supporting seats of the supporting assembly are slidingly adjusted on the base, the spacing of the two supporting seats can be adjusted through the adjusting assembly, different specifications of the fixing assemblies can be supported and fixed, the power of the turbojet engines of different specifications can be tested through one power measurement module, one machine is used for multiple purposes, the floor area for testing the turbojet engines of different specifications is reduced, and the test cost is reduced; in real time, the spacing of the two supporting seats is adjusted to a proper position through the adjusting assembly, the fixing assembly matched with the turbojet engine to be tested is selected, and then the two fixing blocks are embedded on the supporting seats for fixation, different specifications of the turbojet engines are conveniently tested, the applicability of the whole power measurement module is improved, the corresponding power measurement module does not need to be arranged for each type of the turbojet engine, the distribution is more flexible and convenient, and large-scale measurement of the turbojet engines of different types is facilitated.

[0021] The power measurement module has the advantages of simple and compact structure, convenient use, adjustment according to the power measurement requirements of the turbojet engines of different specifications, flexible and convenient adjustment, high applicability, convenient distribution for testing the turbojet engines of different batches and types, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are provided to explain the present application and are not intended to limit the present application. In the drawings:

[0023] Figure 1 It is a side view of the power measurement module of the utility model;

[0024] Figure 2 It is a side view of the power measurement module of the utility model;

[0025] Figure 3 It is a side view of the power measurement module of the utility model; Figure 2 It is a side view of the power measurement module of the utility model;

[0026] Figure 4 It is a side view of the power measurement module of the utility model;

[0027] Figure 5 It is a side view of the power measurement module of the utility model; Figure 4 It is a side view of the power measurement module of the utility model;

[0028] Figure 6 It is a side view of the power measurement module of the utility model; Figure 4 It is a side view of the power measurement module of the utility model;

[0029] In the figure: 1, base; 2, support seat; 3, fixed block; 4, fixed ring; 5, positioning groove; 6, mounting groove; 7, pressure sensor; 8, let go of the hole; 9, locking rod; 10, locking hole; 11, clamping groove; 12, clamping plate; 13, positioning hole; 14, positioning plate; 15, return spring; 16, adjusting motor; 17, first adjusting screw; 18, second adjusting screw; 19, transmission box; 20, box body; 21, first transmission gear; 22, second transmission gear; 23, limiting block; 24, guide rod; 25, sliding groove; 26, clamping hole; 27, clamping block; 28, exhaust seat; 29, exhaust pipe; 30, fixed clasp; 31, movable clasp. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely 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.

[0031] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be described in further detail below with reference to the drawings and specific embodiments.

[0032] Referring to Figures 1-6 The embodiment provides a power measurement module, which is arranged on the base 1 and comprises:

[0033] The support assembly comprises two support seats 2 arranged on the base 1, and the two support seats 2 are symmetrically slid on the top surface of the base 1.

[0034] The fixing assembly comprises fixed blocks 3 embedded and arranged at the top end of the support seat 2, and the fixed rings 4 for fixing the bodies of turbojet engines are arranged between the two fixed blocks 3.

[0035] The measurement assembly is arranged between the fixed blocks 3 and the support seats 2 and measures the power of the turbojet engine.

[0036] The adjusting assembly is arranged on the base 1 and is in transmission connection with the two support seats 2, is used for adjusting the distance between the two support seats 2, and is suitable for fixing turbojet engines of different specifications by adapting fixed rings 4 of different specifications.

[0037] The utility model discloses a kind of power measurement modules, the spacing of two support seats 2 of support assembly is adjusted on base 1, the spacing of two support seats 2 can be adjusted by adjusting component, different specifications of fixed component can be supported and fixed, the power of different specifications of turbojet engine can be tested by a power measurement module, realize one machine multi-purpose, reduce the floor area of the test different specifications of turbojet engine, reduce test cost;Use real-time, first by adjusting component the spacing of two support seats 2 is adjusted to proper position, select the fixed component matched with the turbojet engine needing to be tested, then two fixed blocks 3 are embedded in support seat 2 and are fixed, different specifications of turbojet engine are conveniently tested, improve the applicability of entire power measurement module, without each model of turbojet engine Corresponding power measurement module is set, distribution is more flexible and convenient, the large-scale measurement of different model batches of turbojet engine is facilitated.

[0038] In an embodiment of the application, the top end of the base 1 is provided with a sliding groove 25 matched with the support seat 2, and the base 1 slides in the sliding groove 25 for convenient positioning.

[0039] In an embodiment of the application, the fixing ring 4 of the application comprises a fixed clamping ring 30 and a movable clamping ring 31 arranged correspondingly, the two ends of the fixed clamping ring 30 are fixed between the two fixed blocks 3, one end of the movable clamping ring 31 is hinged to the fixed clamping ring 30, and the other end is detachably connected with the fixed clamping ring 30; the middle part of the fixed clamping ring 30 and the movable clamping ring 31 is provided with an arc surface for fixing the turbojet engine, which is convenient for clamping the turbojet engine.

[0040] In an embodiment of the application, the base 1 is provided with an exhaust pipe 29 through the exhaust seat 28, and when measuring, the tail nozzle of the turbojet engine faces the exhaust pipe 29, which is convenient for collecting and discharging high-temperature exhaust gas and preventing the working room from being affected.

[0041] Further optimization scheme, the base 1 is fixed in the test space, the control module and the energy supply module integrated in the base 1 are electrically connected, the control module is electrically connected with the measuring assembly. The lower part of the base 1 is provided with a space for installing equipment, which is protected by a openable and closable box door; the control module is connected with the ECU of the turbojet engine, which is used for controlling the operating condition of the turbojet engine and monitoring the operating parameters of the turbojet engine; and the energy supply module comprises an electric energy module and a fuel module, the electric energy module is used for power supply for equipment, and the fuel module is used for oil supply for the turbojet engine.

[0042] In one embodiment of the present application, the control module and the power supply module are both of prior art, and those skilled in the art are well aware of how to arrange and operate the control module and the power supply module, which will not be described here.

[0043] Further optimization, the top end of the support base 2 is provided with a positioning groove 5 corresponding to the fixing block 3, the fixing block 3 is embedded and installed in the positioning groove 5, and the measuring assembly is arranged between the side wall of the positioning groove 5 and the side wall of the fixing block 3. The positioning groove 5 is opened at the top end of the support base 2, the fixing block 3 is embedded in the positioning groove 5, which is convenient for fixing and positioning the fixing block 3; when the turbojet engine is working, the force is applied to the fixing block 3, and the measuring assembly is arranged in the positioning groove 5 and abuts against the stress direction of the fixing block 3, the stress of the fixing block 3 is measured by the measuring assembly, and then the power of the turbojet engine is measured.

[0044] In one embodiment of the present application, the sizes of the fixing blocks 3 of different types of fixing assemblies are the same, which improves the versatility of different fixing assemblies.

[0045] Further optimization, the measuring assembly comprises an installation groove 6 opened in the side wall of the positioning groove 5, a pressure sensor 7 electrically connected with the control module is installed in the installation groove 6, and a measuring end of the pressure sensor 7 extends out of the installation groove 6 and abuts against the side wall of the fixing block 3. The installation groove 6 is opened in the side wall of the positioning groove 5, the pressure sensor 7 is installed in the installation groove 6, and a stress surface of the pressure sensor 7 extends out of the installation groove 6 and abuts against the fixing block 3; when the fixing block 3 is stressed, the pressure sensor 7 measures the stress of the fixing block 3, and then measures the power performance of the turbojet engine, and transmits the measured data to the control module.

[0046] Further optimization, one end of the fixing block 3 away from the pressure sensor 7 is provided with a clearance hole 8, and an elastic locking rod 9 elastically slides in the clearance hole 8; the side wall of the positioning groove 5 is provided with a locking hole 10 corresponding to the clearance hole 8, and the locking rod 9 extends out of the clearance hole 8 and is clamped into the locking hole 10. The locking rod 9 is arranged in the clearance hole 8 in an extending and retracting mode, when installing, the locking rod 9 is inserted into the locking hole 10, which is convenient for fixing the fixing block 3 in the positioning groove 5 and positioning; when the fixing assembly needs to be replaced, the locking rod 9 is pushed back into the clearance hole 8, which is convenient for separating the locking rod 9 from the locking hole 10.

[0047] In one embodiment of the present application, the side wall of the positioning groove 5 where the pressure sensor 7 is installed is provided with a clamping block 27, the side wall of the fixing block 3 is provided with a clamping hole 26 corresponding to the clamping block 27, the clamping block 27 is inserted into the clamping hole 26, and the fixing block 3 is positioned by cooperating with the locking rod 9 and the locking groove.

[0048] Further optimization scheme, support seat 2 top end opening has a clamping groove 11, clamping groove 11 and the side wall top of locking hole 10 communication; locking rod 9 outer wall fixedly connected with the clamping groove 11 corresponding setting of clamping plate 12, clamping plate 12 slidingly arranged in the clamping groove 11. Clamping plate 12 is fixed on the side wall of locking rod 9, clamping plate 12 from the clamping groove 11, easy to move locking rod 9.

[0049] In one embodiment of the application, the clamping plate 12 extends from the top end of the clamping groove 11 is designed as an arc structure, to avoid injury when playing hand position.

[0050] Further optimization scheme, let go of the hole 8 away from the end of the locking hole 10 is communicated with the positioning hole 13, locking rod 9 into the positioning hole 13 and fixedly connected with the positioning plate 14, positioning plate 14 slidingly connected in the positioning hole 13; positioning hole 13 and positioning plate 14 between a plurality of reset spring 15. The diameter of the positioning hole 13 is greater than the let go of the hole 8, the positioning plate 14 is slidingly connected in the positioning hole 13, the reset spring 15 when the length is not less than the depth of the positioning hole 13, when the locking rod 9 is not under external force, the locking rod 9 can be pushed out of the let go of the hole 8 by the reset spring 15, which is convenient for being clamped into the locking hole 10, realizing the automatic locking of the fixed block 3; when the locking rod 9 needs to be retracted, the locking rod 9 is pressed by the clamping plate 12, and the reset spring 15 is compressed.

[0051] Further optimization scheme, the adjusting assembly comprises an adjusting motor 16 fixedly installed on the base 1, and the output end of the adjusting motor 16 is drivingly connected with a first adjusting screw 17. The first adjusting screw 17 is drivingly connected with a second adjusting screw 18 through a transmission box 19, and the first adjusting screw 17 and the second adjusting screw 18 are respectively in threaded transmission with the support seat 2. The first adjusting screw 17 and the second adjusting screw 18 are drivingly connected through the transmission box 19. After driving through the transmission box 19, the rotation directions of the first adjusting screw 17 and the second adjusting screw 18 are opposite. When the distance between the two support seats 2 needs to be adjusted, the adjusting motor 16 drives the first adjusting screw 17 and the second adjusting screw 18 to rotate, so that the two support seats 2 move in opposite directions or towards each other, thereby adjusting the distance between the two support seats 2.

[0052] Further optimization scheme, transmission box 19 includes the box body 20 installed at the top end of the base 1, the first transmission gear 21 and the second transmission gear 22 are rotatably connected in the box body 20, the first transmission gear 21 and the second transmission gear 22 are engaged transmission; the first adjusting screw 17 extends into the box body 20 and is in transmission connection with the first transmission gear 21, and the second adjusting screw 18 extends into the box body 20 and is in transmission connection with the second transmission gear 22. The box body 20 is installed at the center position of the sliding groove 25, the first transmission gear 21 and the second transmission gear 22 are engaged transmission, the first adjusting screw 17 drives the first transmission gear 21 to rotate, the first transmission gear 21 drives the second adjusting screw 18 to rotate through the second transmission gear 22 engaged, and because the first transmission gear 21 and the second transmission gear 22 are engaged transmission, the first adjusting screw 17 and the second adjusting screw 18 are reversely rotated.

[0053] In an embodiment of the present application, the first transmission gear 21 and the second transmission gear 22 have the same diameter and the same number of teeth, so that the rotation speed of the first adjusting screw 17 and the second adjusting screw 18 is the same, so that the two support seats 2 can move symmetrically.

[0054] Further optimization scheme, the base 1 is provided with two symmetrical limiting blocks 23, and the two support seats 2 are located between the two limiting blocks 23; a plurality of guide rods 24 are arranged between the two limiting blocks 23, and the guide rods 24 are arranged through the support seat 2 and are in sliding connection with the support seat 2. The two guide rods 24 are symmetrically arranged on the two sides of the first adjusting screw 17, and the two guide rods 24 are used for limiting the support seat 2, so as to ensure the stability of the support seat 2.

[0055] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0056] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A dynamic measurement module, mounted on a base (1), characterized in that, include: The support assembly includes two support seats (2) disposed on the base (1), and the two support seats (2) slide symmetrically on the top surface of the base (1); The fixing component includes a fixing block (3) embedded in the top of the support base (2), and a fixing ring (4) for fixing the body of the turbojet engine is provided between the two fixing blocks (3); A measuring component is disposed between the fixed block (3) and the support base (2) to measure the power of the turbojet engine; An adjustment component is provided on the base (1) and is connected to the two support seats (2) for adjusting the distance between the two support seats (2) and adapting to the fixing rings (4) of different specifications to fix turbojet engines of different specifications.

2. The power measurement module according to claim 1, characterized in that: The base (1) is fixed in the test space. The base (1) integrates an electrically connected control module and a power supply module. The control module is electrically connected to the measurement component.

3. The power measurement module according to claim 2, characterized in that: The top of the support base (2) is provided with a positioning groove (5) corresponding to the fixing block (3). The fixing block (3) is embedded in the positioning groove (5). The measuring component is disposed between the side wall of the positioning groove (5) and the side wall of the fixing block (3).

4. The power measurement module according to claim 3, characterized in that: The measuring component includes a mounting groove (6) formed in the side wall of the positioning groove (5), and a pressure sensor (7) electrically connected to the control module is installed in the mounting groove (6). The measuring end of the pressure sensor (7) extends out of the mounting groove (6) and abuts against the side wall of the fixing block (3).

5. The power measurement module according to claim 4, characterized in that: The fixed block (3) has a clearance hole (8) at one end away from the pressure sensor (7), and a locking rod (9) is elastically slidable in the clearance hole (8); the side wall of the positioning groove (5) has a locking hole (10) corresponding to the clearance hole (8), and the locking rod (9) extends out of the clearance hole (8) and is engaged in the locking hole (10).

6. The power measurement module according to claim 5, characterized in that: The support base (2) has a slot (11) at its top end, and the slot (11) is connected to the top end of the side wall of the locking hole (10); the outer wall of the locking rod (9) is fixedly connected to a plate (12) corresponding to the slot (11), and the plate (12) is slidably disposed in the slot (11).

7. The power measurement module according to claim 5, characterized in that: The end of the clearance hole (8) away from the locking hole (10) is connected to a positioning hole (13). The locking rod (9) extends into the positioning hole (13) and is fixedly connected to a positioning plate (14). The positioning plate (14) is slidably connected in the positioning hole (13). A plurality of return springs (15) are provided between the positioning hole (13) and the positioning plate (14).

8. The power measurement module according to claim 1, characterized in that: The adjustment assembly includes an adjustment motor (16) fixedly installed on the base (1). The output end of the adjustment motor (16) is connected to a first adjustment screw (17). The first adjustment screw (17) is connected to a second adjustment screw (18) through a transmission box (19). The first adjustment screw (17) and the second adjustment screw (18) are respectively threaded to the support base (2).

9. The power measurement module according to claim 8, characterized in that: The transmission box (19) includes a box body (20) mounted on the top of the base (1). A first transmission gear (21) and a second transmission gear (22) are rotatably connected inside the box body (20). The first transmission gear (21) and the second transmission gear (22) mesh and drive each other. The first adjusting screw (17) extends into the box body (20) and is connected to the first transmission gear (21). The second adjusting screw (18) extends into the box body (20) and is connected to the second transmission gear (22).

10. The power measurement module according to claim 8, characterized in that: Two symmetrically arranged limiting blocks (23) are provided on the base (1), and the two support seats (2) are located between the two limiting blocks (23); a plurality of guide rods (24) are provided between the two limiting blocks (23), and the guide rods pass through the support seats (2) and are slidably connected to the support seats (2).

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