Blade flow testing device

Abstract

The utility model discloses a blade flow testing device, which relates to the technical field of flow testing and comprises a testing base plate, a fixing block is fixedly arranged at one end of the upper surface of the testing base plate, an air supply pipe is fixedly arranged in the fixing block in a penetrating manner, and a clamping and fixing mechanism for limiting the position of a blade is arranged at one end, close to the air supply pipe, of the upper surface of the testing base plate. The top of the test substrate is rotatably provided with a plurality of rotating rods which are symmetrically arranged in a surrounding manner, the rod wall of each rotating rod is fixedly sleeved with a connecting plate, the outer side of each connecting plate is provided with a vertical rod through a movable adjusting mechanism, the lower end of the rod wall of each vertical rod is rotatably sleeved with a sealing block, and the rod wall of each rotating rod is provided with a rotation adjusting mechanism used for driving the corresponding sealing block to rotate. According to the utility model, the sealing block can be stably arranged on the air outlet at the outer side of the blade according to different blade specifications, effective and stable flow test can be carried out on the air outlets at different positions in the blade, and the test effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow measurement, in particular to a blade flow measurement device. Background Art

[0002] After the engine blades are manufactured, it is necessary to separately measure the exhaust flow of multiple exhaust ports inside the blades. By accurately measuring the air flow of a single exhaust port, the combustion efficiency of each combustion chamber can be evaluated, so as to adjust and optimize the fuel supply, ensure that the engine can reach the best combustion state under different working conditions, and improve fuel economy.

[0003] After retrieval, the patent document with the publication number of CN115752617A discloses a blade flow measurement fixture. This test device collects the gas of each corresponding air outlet hole through the cooperation of the air outlet on the sealing gasket and the air groove on the pressing plate, and then discharges the collected gas through the sealed threaded hole, converting the original air outlet hole into a regular sealed threaded hole, so as to facilitate the detection of the flow through the pipeline connection to the detection equipment, thereby improving the convenience of detection. At the same time, since the sealed threaded hole is a regular air hole, it is beneficial to the tight connection of the pipeline, thereby improving the sealing performance during connection and achieving the purpose of improving the accuracy of the detection result.

[0004] However, due to the different specifications of the blades manufactured by different manufacturing methods, the positions of the exhaust ports inside the blades are different. Therefore, when flow detection is required, multiple sealing gaskets need to be manufactured for sealing and fixing, which increases the material consumption during the detection process and reduces the usability of the measuring device. Summary of the Utility Model

[0005] In view of the problems existing in the existing blade flow measurement device, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a blade flow measurement device, which solves the problem that due to the different specifications of the blades manufactured by different manufacturing methods, the positions of the exhaust ports inside the blades are different, so when flow detection is required, multiple sealing gaskets need to be manufactured for sealing and fixing, increasing the material consumption during the detection process.

[0007] To achieve the above purpose, the present utility model provides the following technical solutions:

[0008] A blade flow measurement device, including a test substrate, one end of the upper surface of the test substrate is fixedly provided with a fixed block, a gas delivery pipe is fixedly penetrated inside the fixed block, and a clamping and fixing mechanism for restricting the position of the blade is arranged at one end of the upper surface of the test substrate close to the gas delivery pipe;

[0009] The top of the test substrate is rotatably provided with a plurality of rotating rods symmetrically arranged in a circle, the rod wall of the rotating rod is fixedly sleeved with a connecting plate, the outer side of the connecting plate is provided with a vertical rod through a movable adjustment mechanism, the lower end of the rod wall of the vertical rod is rotatably sleeved with a sealing block, and the rod wall of the rotating rod is provided with a rotation adjustment mechanism for driving the sealing block to rotate.

[0010] Preferably, the clamping and fixing mechanism includes a driving screw, a groove is opened on the top of the test substrate, the driving screw is rotatably arranged in the groove, a clamp is provided on the threaded sleeve of the rod wall of the driving screw, the end of the driving screw passes through the groove and is fixed with a rotating block, and the clamp can stably clamp the placed blade to ensure the stability of the flow test.

[0011] Preferably, the rotation adjustment mechanism includes a mounting block, which is fixedly connected to the outer wall of the test substrate and has a worm screw passing through it for internal rotation. The worm screw is matched with a worm wheel, which is fixedly sleeved with a rotating rod. A knob is fixedly provided on the end of the worm screw. The cooperation between the worm screw and the worm wheel can make the sealing block and the air outlet be in the same horizontal line, and the sealing block and the air outlet are matched with each other.

[0012] Preferably, the movable adjustment mechanism includes an adjusting screw, which is rotatably arranged on the outside of the connecting plate, and the outer wall sliding sleeve of the connecting plate is provided with a movable sleeve, and the side thread of the movable sleeve is sleeved on the outside of the adjusting screw, and the end of the movable sleeve is provided with a horizontal plate through an elastic clamping mechanism, and the horizontal plate is fixedly sleeved on the outside of the vertical rod, so that the sealing block can be stably moved to the top of the air outlet and cooperate with the air outlet to cover it.

[0013] Furthermore, the elastic clamping mechanism includes a base plate, which is fixedly connected to the movable sleeve and is located below the adjusting screw. A fixed rod is slidably penetrated inside the base plate. The bottom of the fixed rod is fixedly connected to the cross plate. A spring is provided on the rod wall sleeve of the fixed rod. Both ends of the spring are respectively fixedly connected to the cross plate and the base plate. Through the elastic force of the spring, the sealing block can be tightly arranged on the outside of the air outlet of the blade to minimize gas loss and affect the flow test accuracy of other air outlets.

[0014] Preferably, a sealing ring is provided on the fixed sleeve of the pipe wall of the air supply pipe, so that when the air supply pipe is connected to the air inlet of the blade, external gas can flow stably into the blade and stable flow testing can be performed on the outside of the air outlet.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model, through the provided test substrate, fixed block, air supply pipe, rotating rod, connecting plate, moving adjustment mechanism, vertical rod, sealing block, rotating adjustment mechanism and elastic pressing mechanism, can stably set the sealing block on the outer air outlet of the blade according to different blade specifications, and can effectively and stably test the air flow of different positions inside the blade, improving the test effect.

[0017] 2. The utility model, through the provided fixed block, air supply pipe, sealing ring and clamping and fixing mechanism, can stably clamp and fix the blade to be tested, enabling the flow rate test work to proceed continuously and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 It is a side view of the present utility model;

[0021] Figure 3 It is for the Figure 2 A - part enlarged schematic diagram of the present utility model.

[0022] Description of the reference numerals:

[0023] 1. Test substrate; 2. Fixed block; 3. Air supply pipe; 4. Rotating rod; 5. Connecting plate; 6. Vertical rod; 7. Sealing block; 8. Driving screw; 9. Clamping plate; 10. Rotating block; 11. Mounting block; 12. Worm; 13. Worm gear; 14. Knob; 15. Adjusting screw; 16. Moving sleeve; 17. Cross - plate; 18. Bottom plate; 19. Fixed rod; 20. Spring; 21. Sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the drawings.

[0025] The embodiments of the present utility model disclose a blade flow rate testing device.

[0026] The present utility model provides as Figures 1-3The shown blade flow rate testing device includes a testing substrate 1. At one end of the upper surface of the testing substrate 1, a fixed block 2 is fixedly provided. Inside the fixed block 2, an air supply pipe 3 is fixedly penetrated. A sealing ring 21 is fixedly sleeved on the pipe wall of the air supply pipe 3. A plurality of rotating rods 4 arranged in a circumferential and symmetric manner are rotatably provided on the top of the testing substrate 1. A connecting plate 5 is fixedly sleeved on the rod wall of the rotating rod 4. A vertical rod 6 is provided on the outer side of the connecting plate 5 through a moving adjustment mechanism. A sealing block 7 is rotatably sleeved at the lower end of the rod wall of the vertical rod 6. A rotating adjustment mechanism for driving the sealing block 7 to rotate is provided on the rod wall of the rotating rod 4.

[0027] Before detecting the exhaust gas flow rate of the blade, place the blade on the surface of the testing substrate 1 and insert the air supply pipe 3 into the air inlet of the blade rod wall. At this time, with the setting of the sealing ring 21, external gas can stably enter the blade interior. When it is necessary to measure the gas outlet flow rate at different positions on the blade surface, the other gas outlets can be blocked. At this time, through the rotational cooperation of the rotating rod 4 and the connecting plate 5, and with the dual cooperation of the moving adjustment mechanism and the rotating adjustment mechanism, the sealing block 7 can rotate supported by the vertical rod 6 and stably cover the outside of the gas outlet, enabling the external gas outlet of the blade to be stably blocked. At this time, a stable and continuous flow rate test can be carried out for the gas outlet at the corresponding position.

[0028] In order to quickly adjust the position of the sealing block 7 according to the specifications of the blade and effectively cooperate with the external gas outlet of the blade, as Figure 1 and Figure 3 shown, the rotating adjustment mechanism includes a mounting block 11. The mounting block 11 is fixedly connected to the outer wall of the testing substrate 1 and internally rotatably penetrates a worm 12. The worm 12 is provided with a worm gear 13 in cooperation. The worm gear 13 is fixedly sleeved with the rotating rod 4. A knob 14 is fixedly provided at the end of the worm 12. The moving adjustment mechanism includes an adjustment screw 15. The adjustment screw 15 is rotatably provided on the outer side of the connecting plate 5. A moving sleeve 16 is slidably sleeved on the outer wall of the connecting plate 5. The side part of the moving sleeve 16 is threadedly sleeved on the outer side of the adjustment screw 15. A cross plate 17 is provided at the end of the moving sleeve 16 through an elastic pressing mechanism. The cross plate 17 is fixedly sleeved on the outer side of the vertical rod 6;

[0029] The elastic pressing mechanism includes a bottom plate 18. The bottom plate 18 is fixedly connected to the moving sleeve 16 and is located below the adjustment screw 15. A fixed rod 19 is slidably penetrated inside the bottom plate 18. The bottom of the fixed rod 19 is fixedly connected to the cross plate 17. A spring 20 is sleeved on the rod wall of the fixed rod 19. The two ends of the spring 20 are respectively fixedly connected to the cross plate 17 and the bottom plate 18.

[0030] After the blade is placed, the position of the air outlet on the blade surface is determined, and the knob 14 is rotated so that the worm 12 rotates rapidly to drive the worm gear 13 to rotate. At this time, the worm gear 13 can drive the rotating rod 4 to rotate, and under the connection of the connecting plate 5, the sealing block 7 is in the same straight line as the air outlet on the outer side of the blade. Then, the adjusting screw 15 is rotated. During the driving process of the adjusting screw 15, through the sliding limit of the moving sleeve 16 and the connecting plate 5, the moving sleeve 16 can drive the bottom plate 18 to move stably, so that the sealing block 7 can move above the air outlet of the blade. Subsequently, through the elastic recovery of the spring 20, the cross plate 17 can drive the sealing block 7 to be squeezed and closely cooperate with the air outlet on the outer side of the blade, ensuring that the air outlet is sealed. At this time, stable flow tests can be carried out on the remaining air outlets.

[0031] In order to stably clamp the blade after the blade is placed, as Figure 1 shown, a clamping and fixing mechanism for restricting the position of the blade is provided at one end of the upper surface of the test substrate 1 close to the air supply pipe 3. The clamping and fixing mechanism includes a driving screw 8. A groove is formed at the top of the test substrate 1, and the driving screw 8 is rotatably arranged in the groove. A clamping plate 9 is sleeved on the rod wall of the driving screw 8 in a threaded manner, and the end of the driving screw 8 passes through the groove and is fixedly provided with a rotating block 10.

[0032] When the blade is placed on the surface of the test substrate 1 and cooperates with the air supply pipe 3, the rotating block 10 is pushed, so that the rotating block 10 drives the driving screw 8 to rotate. At this time, the clamping plate 9 moves in the groove and stably clamps the outside of the output shaft of the blade, and the position of the blade can be fixed, thereby ensuring the stability of the blade flow test.

[0033] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims

1. A blade flow test device, comprising a test substrate (1), characterized in that: A fixing block (2) is fixedly provided at one end of the upper surface of the test substrate (1), an air supply pipe (3) is fixedly provided inside the fixing block (2), and a clamping and fixing mechanism for limiting the position of the blade is provided at one end of the upper surface of the test substrate (1) close to the air supply pipe (3); The top of the test substrate (1) is rotatably provided with a plurality of rotating rods (4) arranged in a symmetrical manner; the rod wall of the rotating rod (4) is fixedly sleeved with a connecting plate (5); the outer side of the connecting plate (5) is provided with a vertical rod (6) through a movable adjustment mechanism; the lower end of the rod wall of the vertical rod (6) is rotatably sleeved with a sealing block (7); the rod wall of the rotating rod (4) is provided with a rotation adjustment mechanism for driving the sealing block (7) to rotate.

2. The blade flow test device according to claim 1, characterized in that: The clamping and fixing mechanism comprises a driving screw (8), a groove is provided on the top of the test substrate (1), the driving screw (8) is rotatably arranged in the groove, a clamping plate (9) is threadedly sleeved on the wall of the driving screw (8), and a rotating block (10) is fixedly arranged at the end of the driving screw (8) passing through the groove.

3. The blade flow test device according to claim 1, characterized in that: The rotation adjustment mechanism comprises a mounting block (11), the mounting block (11) is fixedly connected to the outer wall of the test substrate (1), and a worm (12) is rotatably penetrated inside the mounting block, the worm (12) is matched with a worm wheel (13), the worm wheel (13) is fixedly sleeved with the rotating rod (4), and a knob (14) is fixedly provided at the end of the worm (12).

4. The blade flow test device according to claim 1, characterized in that: The movable adjustment mechanism comprises an adjusting screw (15), wherein the adjusting screw (15) is rotatably arranged on the outer side of the connecting plate (5), and a movable sleeve (16) is slidably sleeved on the outer wall of the connecting plate (5), and the side thread of the movable sleeve (16) is sleeved on the outer side of the adjusting screw (15), and a transverse plate (17) is provided at the end of the movable sleeve (16) through an elastic clamping mechanism, and the transverse plate (17) is fixedly sleeved on the outer side of the vertical rod (6).

5. The blade flow test device according to claim 4, characterized in that: The elastic pressing mechanism comprises a bottom plate (18), the bottom plate (18) is fixedly connected to the movable sleeve (16) and is located below the adjusting screw (15), a fixing rod (19) is slidably penetrated inside the bottom plate (18), the bottom of the fixing rod (19) is fixedly connected to the transverse plate (17), a spring (20) is sleeved on the rod wall of the fixing rod (19), and two ends of the spring (20) are respectively fixedly connected to the transverse plate (17) and the bottom plate (18).

6. The blade flow test device according to claim 1, characterized in that: The pipe wall fixing sleeve of the air supply pipe (3) is provided with a sealing ring (21).

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