Engine steady-state performance test tool

Abstract

The utility model belongs to the technical field of engines, in particular to an engine steady-state performance test tool, which comprises a working box, a second motor is fixedly mounted at one end of the working box, a first rotating shaft is arranged at the output end of the second motor, and a placement box is fixedly mounted at one end of the first rotating shaft. An operator turns on an infrared laser pen, an arranged second motor works, a placement box drives the infrared laser pen on the engine blade to rotate, the operator checks whether the circle on the surface of the projection cloth is complete or not, if the light circle is complete, it is proved that the engine blade is stable in structure, and if the light circle is irregular, the engine blade is not stable in structure. It is proved that the structure of the engine blade is unstable, an operator can conveniently check the test result of the engine blade in the working process from the surface of the projection cloth, and therefore the testing rapidness and efficiency of the equipment are improved, and after nuts and screws are detached, limiting rings are taken down from the surfaces of connecting blocks and clamping blocks, and the engine blade is detached and maintained.

Description

Technical Field

[0001] The utility model belongs to the technical field of engines, and in particular relates to a tool for testing steady-state performance of an engine. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine stability test method is to observe the degree of vibration of the engine blades to test the stability of the engine. During the test of some engines, a laser pen is placed on the engine blades to make the blades rotate. The operator needs to look up to see the circular situation of the laser beam shining upwards, which is inconvenient to check. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the utility model provides an engine steady-state performance test tool, which solves the problem that during some engine inspections, a laser pen is placed on the engine blades to make the blades rotate, and the operator needs to look up to check the circular situation of the laser beam irradiating upwards, which is inconvenient.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engine steady-state performance test tool, comprising a working box, a second motor is fixedly installed at one end of the working box, a first rotating shaft is arranged at the output end of the second motor, a placement box is fixedly installed at one end of the first rotating shaft, a second limiting plate is fixedly installed on the inner wall of the placement box, a placement rod is fixedly installed on one side of the second limiting plate, an engine blade is sleeved on the surface of the placement rod, and an infrared laser pen is arranged on one side of the engine blade, a clamping block is fixedly installed at one end of the placement rod, a connecting block is fixedly installed at one end of the clamping block, a limiting ring is clamped on the surface of the clamping block, a screw is threadedly connected to the inner part of the limiting ring, a nut is threadedly connected to one end of the screw, a connecting frame is clamped on the other end of the inner wall of the working box, and a projection cloth is fixedly installed inside the connecting frame.

[0005] Preferably, support plates are fixedly installed on all four sides of the bottom of the working box, a first motor is fixedly installed on one side of the working box, a second rotating shaft is provided at the output end of the first motor, a main gear is fixedly installed on one end of the second rotating shaft, one side of the main gear is meshedly connected with a secondary gear, a main sprocket is fixedly installed on the outer side of the secondary gear, a chain is meshedly connected on the surface of the main sprocket, and one side of the inner wall of the chain is meshedly connected with a secondary sprocket, a third rotating shaft is fixedly installed on one side of the secondary sprocket, and a first limit plate is fixedly installed on the surfaces of the third rotating shaft and the second rotating shaft.

[0006] Preferably, the surface of the limiting ring is arranged in a convex shape, and the limiting ring is located on the outside of the engine blade.

[0007] Preferably, the screw passes through the limiting ring and the connecting block, and the nut is located on the other side of the limiting ring.

[0008] Preferably, the placement box is located at one end of the inner wall of the working box, and the placement box is rotatably connected to the working box.

[0009] Preferably, the surface of the first limit plate is arranged to be L-shaped, the first limit plate is rotatably connected to the working box, and one end of the first limit plate is located on the outer side of the connecting frame.

[0010] Preferably, there are two first limiting plates, and the two first limiting plates rotate in opposite directions.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The operator turns on the infrared laser pen and operates the second motor to make the placement box drive the infrared laser pen on the engine blade to rotate. The operator checks whether the circle on the surface of the projection cloth is complete. If the light circle is relatively complete, it proves that the engine blade structure is stable. If the light circle is irregular, it proves that the engine blade structure is unstable. It is convenient for the operator to view the test results of the engine blade during the working process from the surface of the projection cloth, thereby improving the speed and efficiency of the test of this equipment. After removing the nuts and screws, remove the limit ring from the surface of the connecting block and the clamping block, and disassemble and repair the engine blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is the first three-dimensional structural diagram of the utility model;

[0015] Figure 2 This is a second three-dimensional structural diagram of the utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the placement box of the utility model;

[0017] Figure 4 It is an enlarged view of A of the present utility model.

[0018] In the figure: 1. working box; 2. placement box; 3. projection cloth; 4. first limit plate; 5. secondary sprocket; 6. engine blades; 7. infrared laser pen; 8. first motor; 9. support plate; 10. second motor; 11. second limit plate; 12. placement rod; 13. connecting block; 14. limit ring; 15. clamping block; 16. chain; 17. secondary gear; 18. main sprocket; 19. main gear. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides the following technical solutions: an engine steady-state performance test tool, comprising a working box 1, a second motor 10 is fixedly installed at one end of the working box 1, a first rotating shaft is provided at the output end of the second motor 10, a placement box 2 is fixedly installed at one end of the first rotating shaft, a second limiting plate 11 is fixedly installed on the inner wall of the placement box 2, a placement rod 12 is fixedly installed on one side of the second limiting plate 11, an engine blade 6 is sleeved on the surface of the placement rod 12, and an infrared laser pen 7 is provided on one side of the engine blade 6, a clamping block 15 is fixedly installed at one end of the placement rod 12, a connecting block 13 is fixedly installed at one end of the clamping block 15, a limiting ring 14 is clamped on the surface of the clamping block 15, a screw is threadedly connected to the internal thread of the limiting ring 14, a nut is threadedly connected to one end of the screw, a connecting frame is clamped on the other end of the inner wall of the working box 1, and a projection cloth 3 is fixedly installed inside the connecting frame.

[0021] In a specific embodiment of the utility model, the operator turns on the infrared laser pen 7, so that the light of the infrared laser pen 7 is irradiated to the surface of the projection cloth 3, and the second motor 10 is set to work, so that the first rotating shaft drives the placement box 2 to rotate, and the placement rod 12 drives the infrared laser pen 7 on the surface of the engine blade 6 to rotate. The operator checks whether the circle on the surface of the projection cloth 3 is complete. If the light circle is relatively complete, it proves that the structure of the engine blade 6 is stable. If the light circle is irregular, it proves that the structure of the engine blade 6 is unstable. It is convenient for the operator to check the test results of the engine blade 6 during the working process from the surface of the projection cloth 3, so as to The speed and efficiency of testing the equipment are improved. After the test, the operator uses a tool to rotate the nut. After the nut and the screw are removed, the limit ring 14 is removed from the surface of the connecting block 13 and the clamping block 15, and the engine blade 6 is disassembled and repaired. Conversely, the engine blade 6 is placed on the surface of the placement rod 12, and the limit ring 14 is clamped on the surface of the clamping block 15 and the connecting block 13, so that the limit ring 14 limits the outer side of the engine blade 6. A screw is used to penetrate the limit ring 14 and the connecting block 13, and the nut is rotated to the surface of the screw to install the engine blade 6. The design is simple, thereby reducing the production cost of the equipment.

[0022] In this embodiment: start the first motor 8 to make the second rotating shaft drive the sub-gear 17 on one side of the main gear 19 to rotate, and the main sprocket 18 drives the sub-sprocket 5 on the inner wall of the chain 16 to rotate, and the third rotating shaft and the second rotating shaft drive the first limiting plate 4 to rotate, reduce the limitation on one side of the connecting frame, and then disassemble and replace the projection cloth 3 inside the connecting frame. Conversely, place the connecting frame with the projection cloth 3 on the inner wall of the working box 1, and the first motor 8 is set to work, so that the second rotating shaft drives the sub-gear 17 on one side of the main gear 19 to rotate, and the main sprocket 18 drives the sub-sprocket 5 on the inner wall of the chain 16 to rotate, and the third rotating shaft and the second rotating shaft drive the first limiting plate 4 to rotate, limit one side of the connecting frame, and install the connecting frame. The operation is simple, thereby reducing the difficulty of the operator's work.

[0023] The working principle and use process of the utility model are as follows: after the utility model is installed, the operator turns on the infrared laser pen 7 to irradiate the light of the infrared laser pen 7 to the surface of the projection cloth 3, and the second motor 10 is set to work, so that the first rotating shaft drives the placement box 2 to rotate, and the placement rod 12 drives the infrared laser pen 7 on the surface of the engine blade 6 to rotate, and the operator checks whether the circle on the surface of the projection cloth 3 is complete. If the light circle is relatively complete, it proves that the structure of the engine blade 6 is stable. If the light circle is irregular, it proves that the structure of the engine blade 6 is unstable. The engine blade 6 is disassembled and repaired at a later stage, which is convenient for the operator to view the test results of the engine blade 6 during the working process from the surface of the projection cloth 3, thereby improving the speed and efficiency of the test of this equipment. After the test, the operator uses a tool to rotate the nut, and after removing the nut and the screw, the limit ring 14 is removed from the surface of the connecting block 13 and the clamping block 15, and the engine blade 6 is disassembled and repaired. Conversely, the engine blade 6 is sleeved on the surface of the placement rod 12, and then the limit ring 14 is clamped on The surfaces of the block 15 and the connecting block 13 are used to limit the outer side of the engine blade 6 by the limit ring 14. The screw is used to penetrate the limit ring 14 and the connecting block 13. The nut is used to rotate to the surface of the screw to install the engine blade 6. The first motor 8 is started to work, so that the second rotating shaft drives the secondary gear 17 on one side of the main gear 19 to rotate, and the main sprocket 18 drives the secondary sprocket 5 on the inner wall of the chain 16 to rotate, and the third rotating shaft and the second rotating shaft drive the first limit plate 4 to rotate, reducing the limit on one side of the connecting frame. The projection cloth 3 inside the connecting frame is disassembled and replaced. Conversely, the connecting frame with the projection cloth 3 is placed on the inner wall of the working box 1. The first motor 8 is set to work, so that the second rotating shaft drives the sub-gear 17 on one side of the main gear 19 to rotate, and the main sprocket 18 drives the sub-sprocket 5 on the inner wall of the chain 16 to rotate, and the third rotating shaft and the second rotating shaft drive the first limiting plate 4 to rotate, so as to limit one side of the connecting frame and install the connecting frame. All electrical equipment in this device are powered by an external power supply.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An engine steady-state performance test tool, comprising a working box (1), characterized in that: A second motor (10) is fixedly mounted on one end of the working box (1), a first rotating shaft is provided at the output end of the second motor (10), a placement box (2) is fixedly mounted on one end of the first rotating shaft, a second limiting plate (11) is fixedly mounted on the inner wall of the placement box (2), a placement rod (12) is fixedly mounted on one side of the second limiting plate (11), an engine blade (6) is sleeved on the surface of the placement rod (12), and an infrared laser pen (7) is provided on one side of the engine blade (6), a clamping block (15) is fixedly mounted on one end of the placement rod (12), a connecting block (13) is fixedly mounted on one end of the clamping block (15), a limiting ring (14) is clamped on the surface of the clamping block (15), a screw is threadedly connected to the inner part of the limiting ring (14), a nut is threadedly connected to one end of the screw, a connecting frame is clamped on the other end of the inner wall of the working box (1), and a projection cloth (3) is fixedly mounted inside the connecting frame.

2. The engine steady-state performance test tool according to claim 1, characterized in that: Support plates (9) are fixedly installed on all four sides of the bottom of the working box (1); a first motor (8) is fixedly installed on one side of the working box (1); a second rotating shaft is provided at the output end of the first motor (8); a main gear (19) is fixedly installed on one end of the second rotating shaft; one side of the main gear (19) is meshingly connected with a secondary gear (17); a main sprocket (18) is fixedly installed on the outer side of the secondary gear (17); a chain (16) is meshingly connected to the surface of the main sprocket (18); a side of the inner wall of the driving chain (16) is meshingly connected with a secondary sprocket (5); a third rotating shaft is fixedly installed on one side of the secondary sprocket (5); a first limit plate (4) is fixedly installed on the surface of the third rotating shaft and the second rotating shaft.

3. The engine steady-state performance test tool according to claim 1, characterized in that: The surface of the limiting ring (14) is arranged in a convex shape, and the limiting ring (14) is located outside the engine blade (6).

4. The engine steady-state performance test tool according to claim 1, characterized in that: The screw passes through the limiting ring (14) and the connecting block (13), and the nut is located on the other side of the limiting ring (14).

5. The engine steady-state performance test tool according to claim 1, characterized in that: The placement box (2) is located at one end of the inner wall of the working box (1), and the placement box (2) is rotatably connected to the working box (1).

6. The engine steady-state performance test tool according to claim 2, characterized in that: The surface of the first limiting plate (4) is arranged in an L shape, the first limiting plate (4) is rotatably connected to the working box (1), and one end of the first limiting plate (4) is located outside the connecting frame.

7. The engine steady-state performance test tool according to claim 2, characterized in that: The number of the first limiting plates (4) is two, and the rotation directions of the two first limiting plates (4) are opposite.

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