Tension and thrust testing device for ducted fan engine

Abstract

The utility model relates to the technical field of ducted fan engines, in particular to a tensile force and thrust testing device for a ducted fan engine. The ducted fan engine tension and thrust testing device comprises a sliding table, and a tension meter is arranged on the left side of the sliding table; the tension bar of the tension meter is connected with the pull rod through the bolt, when the ducted fan engine starts to work, generated tension pulls the tension bar of the tension meter to move through the pull rod, so that the tension of the ducted fan engine is calculated through the tension meter, and similarly, the thrust bar of the thrust meter is connected with the push rod through the bolt, so that the tension of the ducted fan engine is calculated. When the ducted fan engine starts to work, generated thrust pushes the thrust rod of the thrust meter to move through the push rod, so that the thrust of the ducted fan engine is measured through the thrust meter, and the device can quickly test the thrust and tension of the ducted fan engine by changing the mounting position of the bolt. Therefore, the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ducted fan engines, in particular to a ducted fan engine tension and thrust testing device. Background Art

[0002] After the design and production of a ducted fan engine is completed, it is necessary to perform pull-thrust tests to calculate its operating parameters. However, at present, when performing push-thrust tests on ducted fan engines, a push-thrust dynamometer is mostly used. However, due to the limitations of the working principle of the push-thrust dynamometer, during actual testing, when the ducted fan engine completes the pull test, it needs to be turned around before the thrust test can be performed, thereby reducing the efficiency of the pull-thrust test of the ducted fan engine. In response to the above situation, technical innovation is carried out based on the existing pull-thrust test device of the ducted fan engine. Utility Model Content

[0003] The purpose of the present invention is to provide a ducted fan engine tension and thrust testing device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a ducted fan engine tension and thrust testing device, comprising:

[0005] The slide is provided with a tension gauge on the left side of the slide, a thrust gauge on the right side of the slide, a first avoidance groove is provided on the left side of the slide rail of the slide, and a second avoidance groove is provided on the right side of the slide rail of the slide, wherein: a connecting component is provided on the outer side of the slide seat of the slide, and the connecting component includes a pull rod and a push rod, the pull rod is arranged on the left side of the slide seat of the slide, the push rod is arranged on the right side of the slide seat of the slide, the tension rod of the tension gauge is provided with a first slide groove on the right side, and the thrust rod of the thrust gauge is provided with a second slide groove on the left side. A second slide groove is provided, the left side of the pull rod passes through the first avoidance groove and is inserted in the first slide groove, the right side of the push rod passes through the second avoidance groove and is inserted in the second slide groove, the top of the pull rod and the pull rod of the dynamometer are penetrated by a first through hole, a bolt is provided in the first through hole, the outer side wall of the bolt is screwed with a first nut, the top of the thrust rod of the thrust gauge and the top of the push rod are penetrated by a second through hole, the bolt corresponds to the second through holes of the thrust rod and the push rod of the thrust gauge.

[0006] Preferably, a docking plate is placed on the top of the slide seat of the slide, countersunk holes are evenly opened on the top of the docking plate, and first threaded holes are evenly opened on the top of the slide seat of the slide.

[0007] Preferably, a cross bolt is provided in the countersunk hole, and the bottom of the cross bolt passes through the countersunk hole and is screwed into the threaded hole.

[0008] Preferably, the top of the docking plate is uniformly provided with a screw rod, the top of the docking plate is provided with a ducted fan engine, the screw rod is inserted into the top mounting hole of the ducted fan engine and is screwed with a second nut.

[0009] Preferably, the first nut is located below the tension rod of the tension meter, and the front and rear sides of the tension meter, the thrust meter and the sliding table are uniformly provided with fixing sleeves, respectively.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model discloses a second nut is rotated down and can take down the ducted fan engine, and after the cross bolt is rotated down, the docking plate can be taken down, at this moment, through replacing the docking plate of different sizes, the ducted fan engine of different sizes can be quickly adapted, and the adaptability of the device is improved.

[0012] The tension rod and the pull rod of the tension meter are connected through the bolt, when the ducted fan engine starts to work, the tension generated by the ducted fan engine can move the tension rod of the tension meter through the pull rod, and the tension of the ducted fan engine is calculated through the tension meter, and the thrust rod and the push rod of the thrust meter are connected through the bolt, when the ducted fan engine starts to work, the thrust generated by the ducted fan engine can move the thrust rod of the thrust meter through the push rod, and the thrust of the ducted fan engine is calculated through the thrust meter, the installation position of the bolt is changed, the thrust and the tension of the ducted fan engine can be quickly tested, and the testing efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model discloses a ducted fan engine tension and thrust testing device;

[0014] Fig. 2 It is the top view of the utility model discloses a ducted fan engine tension and thrust testing device;

[0015] Fig. 3 It is the front view of the utility model discloses a ducted fan engine tension and thrust testing device.

[0016] In the drawing: 1, sliding table;11, tension meter;12, thrust meter;13, fixing sleeve;14, pull rod;15, push rod;16, bolt;17, first nut;18, docking plate;19, cross bolt;2, screw rod;21, second nut;3, ducted fan engine. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figs. 1-3 A ducted fan engine pull force and thrust test device, including the slide 1, the left side of the slide 1 is placed with pull force meter 11, the right side of the slide 1 is placed with thrust meter 12, the slide rail left side of the slide 1 is provided with first avoiding groove, the slide rail right side of the slide 1 is provided with second avoiding groove, the slide seat outside of the slide 1 is placed with connecting assembly, the connecting assembly includes pull rod 14 and push rod 15, pull rod 14 is fixedly arranged on the left side of the slide seat of the slide 1, push rod 15 is fixedly arranged on the right side of the slide seat of the slide 1, the right side of the pull rod of pull force meter 11 is provided with first sliding groove, the left side of the thrust rod of thrust meter 12 is provided with second sliding groove, the left side of pull rod 14 is inserted into the first sliding groove and is inserted into the first sliding groove, the right side of push rod 15 is inserted into the second sliding groove and is inserted into the second sliding groove, the top of the pull rod of pull force meter 11 and the top of pull rod 14 are provided with first through hole, the first through hole is rotatably provided with bolt 16, the outer wall of bolt 16 is screwed with first nut 17, the top of the thrust rod of thrust meter 12 and the top of push rod 15 are provided with second through hole, bolt 16 corresponds to the second through hole of the thrust rod of thrust meter 12 and push rod 15, bolt 16 is inserted into the first through hole of the top of the pull rod of pull force meter 11 and the top of pull rod 14 and is screwed with first nut 17, so as to fix pull rod 14 in the pull rod of pull force meter 11, when the ducted fan engine 3 starts to work, the pull force generated will drive the slide seat of the slide 1 to move right through the butt joint plate 18, and then the pull rod 14 pulls the pull rod of pull force meter 11 to move, so as to measure the pull force of the ducted fan engine 3 through pull force meter 11, and the bolt 16 is inserted into the second through hole of the top of the thrust rod of thrust meter 12 and the top of push rod 15 and is screwed with first nut 17, so as to fix push rod 15 in the thrust rod of thrust meter 12, when the ducted fan engine 3 starts to work, the thrust generated will drive the slide seat of the slide 1 to move right through the butt joint plate 18, and then the push rod 15 pushes the thrust rod of thrust meter 12 to move, so as to measure the thrust of the ducted fan engine 3 through thrust meter 12;

[0019] The top of the sliding base of the sliding table 1 is provided with a butt joint plate 18, the top of the butt joint plate 18 is uniformly provided with a counterbore, the top of the sliding base of the sliding table 1 is uniformly provided with a first threaded hole, a cross bolt 19 is rotatably arranged in the counterbore, the bottom of the cross bolt 19 is screwed with the threaded hole through the counterbore, the top of the butt joint plate 18 is uniformly and fixedly provided with a screw rod 2, the top of the butt joint plate 18 is provided with a ducted fan engine 3, the screw rod 2 is inserted into the top mounting hole of the ducted fan engine 3 and screwed with a second nut 21, the first nut 17 is located below the tension rod of the tension meter 11, the tension meter 11, the thrust meter 12 and the front and rear sides of the sliding table 1 are uniformly and fixedly provided with a fixing sleeve 13, the sliding table 1, the tension meter 11 and the thrust meter 12 can be fixed on the platform by screwing through the fixing sleeve 13, the ducted fan engine 3 can be removed after the second nut 21 is unscrewed, the butt joint plate 18 can be removed after the cross bolt 19 is unscrewed, at this time, different sizes of the butt joint plate 18 can be replaced to quickly adapt to different sizes of the ducted fan engine 3, thereby improving the adaptability of the device.

[0020] Working principle: the sliding table 1, the tension meter 11 and the thrust meter 12 can be fixed on the platform by screwing through the fixing sleeve 13, the ducted fan engine 3 can be removed after the second nut 21 is unscrewed, the butt joint plate 18 can be removed after the cross bolt 19 is unscrewed, at this time, different sizes of the butt joint plate 18 can be replaced to quickly adapt to different sizes of the ducted fan engine 3, thereby improving the adaptability of the device, the bolt 16 penetrates the first through hole at the top of the tension rod of the tension meter 11 and the tension rod 14 and is screwed with the first nut 17, so as to fix the tension rod 14 in the tension rod of the tension meter 11, when the ducted fan engine 3 starts to work, the tension generated will drive the sliding base of the sliding table 1 to move to the right through the butt joint plate 18, and then the tension rod of the tension meter 11 is moved by the tension rod 14, so as to measure the tension of the ducted fan engine 3 by the tension meter 11, similarly, the bolt 16 penetrates the second through hole at the top of the thrust rod of the thrust meter 12 and the thrust rod 15 and is screwed with the first nut 17, so as to fix the thrust rod 15 in the thrust rod of the thrust meter 12, when the ducted fan engine 3 starts to work, the thrust generated will drive the sliding base of the sliding table 1 to move to the right through the butt joint plate 18, and then the thrust rod of the thrust meter 12 is moved by the thrust rod 15, so as to measure the thrust of the ducted fan engine 3 by the thrust meter 12.

Claims

1. A ducted fan engine thrust test device, characterized in that: include: A slide (1), a tension meter (11) is placed on the left side of the slide (1), a thrust meter (12) is placed on the right side of the slide (1), a first avoidance groove is opened on the left side of the slide rail of the slide (1), and a second avoidance groove is opened on the right side of the slide rail of the slide (1), wherein: a connecting component is placed on the outer side of the slide seat of the slide (1), and the connecting component includes a pull rod (14) and a push rod (15), the pull rod (14) is arranged on the left side of the slide seat of the slide (1), the push rod (15) is arranged on the right side of the slide seat of the slide (1), the first slide groove is opened on the right side of the tension rod of the tension meter (11), and the thrust of the thrust meter (12) is opened on the right side of the tension rod of the tension meter (11). A second slide groove is provided on the left side of the rod, the left side of the pull rod (14) passes through the first avoidance groove and is inserted into the first slide groove, the right side of the push rod (15) passes through the second avoidance groove and is inserted into the second slide groove, the top of the tension rod of the dynamometer (11) and the pull rod (14) are penetrated by a first through hole, a bolt (16) is provided in the first through hole, the outer wall of the bolt (16) is screwed with a first nut (17), the top of the thrust rod of the thrust gauge (12) and the top of the push rod (15) are penetrated by a second through hole, and the bolt (16) corresponds to the second through hole of the thrust rod of the thrust gauge (12) and the push rod (15).

2. A ducted fan engine tension and thrust testing device according to claim 1, characterized in that: A docking plate (18) is placed on the top of the slide seat of the slide (1), and countersunk holes are evenly opened on the top of the docking plate (18). A first threaded hole is evenly opened on the top of the slide seat of the slide (1).

3. The ducted fan engine tension and thrust testing device according to claim 2, characterized in that: A cross bolt (19) is arranged in the countersunk hole, and the bottom of the cross bolt (19) passes through the countersunk hole and is screwed to the threaded hole.

4. The ducted fan engine tension and thrust testing device according to claim 3, characterized in that: Screw rods (2) are evenly arranged on the top of the docking plate (18), a ducted fan engine (3) is placed on the top of the docking plate (18), and the screw rods (2) are inserted into the mounting holes on the top of the ducted fan engine (3) and are screwed with second nuts (21).

5. The ducted fan engine tension and thrust testing device according to claim 4, characterized in that: The first nut (17) is located below the tension rod of the tension meter (11), and fixing sleeves (13) are evenly arranged on the front and rear sides of the tension meter (11), thrust meter (12) and slide (1).

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