CN216870225U

CN216870225U - Withstand voltage test device is used in aeroengine research

Info

Publication number: CN216870225U
Application number: CN202123192320.6U
Authority: CN
Inventors: 韩崇福; 卞鈺; 田金龙; 铁克; 苏彬; 赵方
Original assignee: Shenyang Hangsuo Power Equipment Co ltd
Current assignee: Shenyang Hangsuo Power Equipment Co ltd
Priority date: 2021-12-19
Filing date: 2021-12-19
Publication date: 2022-07-01
Anticipated expiration: 2031-12-19

Abstract

The utility model provides a pressure test device for researching an aircraft engine, which belongs to the technical field of aircraft engine tests and comprises a workbench, wherein the top of the workbench is fixedly provided with a base and a portal frame, the top of the base is provided with two roller grooves, the top of the base is connected with a bearing plate in a sliding manner, one side end of the bearing plate is fixedly provided with two handles, four corners of the bottom of the bearing plate are fixedly provided with two-way wheels, the two-way wheels are respectively connected in the two roller grooves in a sliding manner, the upper side of the workbench is provided with a clamping mechanism, the clamping mechanism is connected with the two-way wheels to respectively fix the two-way wheels in the two roller grooves, the inner top wall of the portal frame is fixedly provided with a hydraulic machine, and the bottom of the hydraulic machine is fixedly provided with a test plate; the device enables the engine to be more convenient to place when carrying out the pressure test, so that the labor consumption is reduced, and the test efficiency is improved.

Description

Withstand voltage test device is used in aeroengine research

Technical Field

The utility model belongs to the technical field of aero-engine tests, and particularly relates to a pressure resistance test device for aero-engine research.

Background

Aircraft engine testing refers to testing of the performance, reliability and durability of engines using specialized testing and testing equipment. The operating conditions of the aircraft engine are very harsh and are in a high-temperature, high-pressure and high-speed rotating operating state, and in order to improve the performance, reliability, service life and the like of the aircraft engine, the conditions of temperature, pressure, corrosion, clearance, stress and the like of the aircraft engine under different working conditions need to be fully mastered.

When the pressure resistance test is carried out on the engine, the engine is usually placed on the lower side of the hydraulic machine for pressure test, however, when the test is carried out, the hydraulic machine is located on the upper side of the engine, the engine is heavy, the engine cannot be clamped on the test board through the clamping wall, manual assistance is needed, the manual labor consumption is high, the test time is delayed, and the test efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure resistance test device for researching an aircraft engine, and aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a withstand voltage test device for aeroengine research, includes the workstation, the top of workstation is fixed with base and portal frame, two gyro wheel grooves have been seted up at the top of base, the top sliding connection of base has the loading board, a side end of loading board is fixed with two handles, the bottom four corners department of loading board all is fixed with two-way wheel, and is a plurality of two-way wheel difference sliding connection is in two gyro wheel inslots, the upside of workstation is provided with fixture, fixture all is connected with a plurality of two-way wheels in order to realize being fixed in two gyro wheel inslots respectively with a plurality of two-way wheels, the interior roof of portal frame is fixed with the hydraulic press, the bottom of hydraulic press is fixed with the test board.

As a preferred scheme of the present invention, the clamping mechanism includes a bidirectional screw, a motor, two nuts, four connecting rods, four insertion holes, and four concave fixture blocks, the four insertion holes are respectively opened at two side ends of the workbench, the four concave fixture blocks are respectively movably inserted into the four insertion holes, and the four concave fixture blocks are respectively clamped on surfaces of the four bidirectional wheels, two ends of the bidirectional screw are respectively rotatably connected to inner walls of two sides of the gantry, the motor is fixed at one side end of the gantry, an output end of the motor movably penetrates through an inner wall of one side of the gantry and is fixed with one end of the bidirectional screw, the two nuts are respectively screwed on two sides of a circumferential surface of the bidirectional screw, one end of each of the four connecting rods is respectively fixed with the four concave fixture blocks, and the other end of each of the four connecting rods is respectively fixed with the two nuts.

As a preferred scheme of the utility model, two limiting rods are respectively fixed on the inner walls of two sides of the portal frame, the other ends of the four limiting rods are respectively fixed with two side ends of the workbench, limiting holes matched with the limiting rods are respectively formed in one side ends of the four connecting rods, and the four connecting rods are respectively connected to the circumferential surfaces of the four limiting rods in a sliding manner through the limiting rods.

As a preferable scheme of the utility model, a plurality of clamping grooves matched with one ends of the concave clamping blocks are formed on the adjacent inner walls of the two roller grooves, and one side ends of the concave clamping blocks are respectively and movably inserted into the clamping grooves.

As a preferred scheme of the utility model, the top of the base is provided with two T-shaped limiting grooves, the bottom of the bearing plate is fixed with two T-shaped limiting blocks matched with the T-shaped limiting grooves, and the two T-shaped limiting blocks are respectively embedded in the two T-shaped limiting grooves in a sliding manner.

As a preferable scheme of the utility model, the top of the bearing plate is fixed with a positioning paster.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the bearing plate slides forwards by pulling the handles and is not positioned on the lower side of the test plate, the engine is placed on the bearing plate through the force arm, then the bearing plate is pushed backwards to the lower side of the test plate by pushing the two handles, the bearing plate drives the two-way wheel to roll in the roller groove, so that the bearing plate slides backwards more conveniently, the engine is placed more conveniently when a pressure resistance test is carried out on the engine, the manpower consumption is reduced, and the test efficiency is improved.

2. According to the utility model, the clamping mechanism is arranged, when the engine is placed on the lower side of the test board, the motor is started, the output shaft of the motor drives the bidirectional screw rod to rotate, so that the two nuts move inwards at the same time, the two nuts respectively drive the concave fixture blocks to move inwards through the two connecting rods, the four concave fixture blocks respectively slide into the four roller grooves from the four jacks, and are respectively clamped on two sides of the circumferential surfaces of the four bidirectional wheels, so that the bidirectional wheels cannot move, the bearing plate is positioned on the base and cannot move, the bearing plate cannot rock when the bearing plate bears the engine for testing, and the test effect is better and more accurate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is an exploded perspective view of the present invention;

FIG. 3 is a partial perspective view of the present invention at the base;

FIG. 4 is a perspective view of the carrier plate of the present invention after being pulled out;

fig. 5 is a perspective view from a second perspective view in accordance with the present invention.

In the figure: 1. a work table; 2. a base; 3. a carrier plate; 301. positioning a paster; 4. a gantry; 5. a hydraulic press; 501. a test plate; 6. a bidirectional wheel; 7. a T-shaped limiting block; 8. a T-shaped limiting groove; 9. a roller groove; 10. a jack; 11. a bidirectional screw rod; 12. a nut; 13. a connecting rod; 14. a concave fixture block; 15. a limiting rod; 16. a card slot; 17. a handle; 18. an electric motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions:

the utility model provides a withstand voltage test device is used in aeroengine research, including workstation 1, the top of workstation 1 is fixed with base 2 and portal frame 4, two gyro wheel grooves 9 have been seted up at the top of base 2, the top sliding connection of base 2 has loading board 3, a side end of loading board 3 is fixed with two handles 17, the bottom four corners department of loading board 3 all is fixed with two-way wheel 6, a plurality of two-way wheel 6 sliding connection respectively are in two gyro wheel grooves 9, the upside of workstation 1 is provided with fixture, fixture all is connected with a plurality of two-way wheel 6 in order to realize being fixed in two gyro wheel grooves 9 respectively with a plurality of two-way wheel 6, the interior roof of portal frame 4 is fixed with hydraulic press 5, the bottom of hydraulic press 5 is fixed with test board 501.

In the specific embodiment of the present invention, in the apparatus, the workbench 1 is placed on the ground and is used for bearing a base 2 and a gantry 4, the base 2 is used for bearing a bearing plate 3, the gantry 4 is used for fixedly supporting the hydraulic machine 5, the hydraulic machine 5 is in signal connection with an external control end, the external control end controls the opening and closing of the hydraulic machine 5, and meanwhile, data parameters output by the hydraulic machine 5 can be checked, which needs to be explained: the hydraulic machine 5 is the prior art, and a matched model can be selected according to actual requirements, and meanwhile, how the hydraulic machine 5 is in signal connection with an external control end and how to feed back output data parameters to a signal end also belongs to common knowledge of the technical personnel in the field, and redundant description is not repeated herein; the hydraulic machine 5 drives the test board 501 to move through the output end to realize the pressure resistance test of the engine, the bearing board 3 slides forwards through the two-way wheel 6 by pulling the handle 17 and is not positioned at the lower side of the test board 501 any more, then the engine is placed on the bearing board 3 through the force arm, then the bearing board 3 is pushed backwards by pushing the two handles 17, the bearing board 3 drives the two-way wheel 6 to roll in the roller groove 9, so that the bearing board 3 can move more conveniently, the pushing can be stopped until the pushing can not be stopped, at the moment, the engine is positioned at the lower side of the test board 501, the two-way wheel 6 is fixed through the clamping mechanism, so that the two-way wheel 6 can not move, the bearing board 3 is stably positioned on the base 2, then the hydraulic machine 5 is started to drive the test board 501 to descend, and the pressure resistance test of the engine can be carried out, the device enables the engine to carry out the pressure resistance test, the placement is more convenient, the labor consumption is reduced, and the test efficiency is improved.

Specifically referring to fig. 2, the clamping mechanism includes a bidirectional screw 11, a motor 18, two nuts 12, four connecting rods 13, four insertion holes 10 and four concave fixture blocks 14, the four insertion holes 10 are respectively formed at two side ends of the worktable 1, the four concave fixture blocks 14 are respectively movably inserted into the four insertion holes 10, and four concave fixture blocks 14 are respectively clamped on the surfaces of the four bidirectional wheels 6, two ends of a bidirectional screw rod 11 are respectively and rotatably connected with the inner walls of two sides of the portal frame 4, a motor 18 is fixed at one side end of the portal frame 4, and the output end of the motor 18 movably penetrates through the inner wall of one side of the portal frame 4 and is fixed with one end of the bidirectional screw rod 11, the two nuts 12 are respectively in threaded connection with two sides of the circumferential surface of the bidirectional screw rod 11, one ends of the four connecting rods 13 are respectively fixed with the four concave clamping blocks 14, and the other ends of the four connecting rods 13 are respectively fixed with the two nuts 12.

In this embodiment: after the bearing plate 3 is pushed backwards, the motor 18 is started at the moment, the output shaft of the motor 18 rotates forwards and drives the bidirectional screw rod 11 to rotate, so that the two nuts 12 move inwards at the same time, the two nuts 12 drive the concave fixture blocks 14 to move inwards through the two connecting rods 13 respectively, so that the four concave fixture blocks 14 slide into the four roller grooves 9 from the four insertion holes 10 respectively and are clamped on two sides of the circumferential surface of the four bidirectional wheels 6 respectively, the bidirectional wheels 6 cannot move, the distance between the front inner wall and the rear inner wall of the concave fixture block 14 with the groove is matched with the diameter of the bidirectional wheels 6, when the groove on the concave fixture block 14 is clamped on two sides of the circumferential surface of the bidirectional wheels 6, the bidirectional wheels 6 cannot move in the concave fixture blocks 14, so that the bearing plate 3 cannot move on the base 2, and the bearing plate 3 cannot shake when the bearing engine is tested, the test effect is better and more accurate; when the engine needs to be taken out again, the motor 18 is started to be just reversed, so that the concave fixture block 14 slides in the roller groove 9 without limiting the bidirectional wheel 6, and then the bearing plate 3 moves forwards, so that the engine is conveniently taken out; it should be noted that: the motor 18 is a conventional motor, and can be selected according to actual requirements, and will not be described in detail herein.

Specifically please refer to fig. 2, two limiting rods 15 are fixed on the inner walls of two sides of the gantry 4, the other ends of the four limiting rods 15 are fixed on two side ends of the worktable 1, limiting holes matched with the limiting rods 15 are formed in one side ends of the four connecting rods 13, and the four connecting rods 13 are slidably connected to the circumferential surfaces of the four limiting rods 15 through the limiting blocks.

In this embodiment: when the two-way screw rod 11 rotates to drive the two nuts 12 to move, because the two nuts 12 are respectively fixed with the four connecting rods 13, the four connecting rods 13 are respectively connected to the circumferential surfaces of the four limiting rods 15 through limiting blocks in a sliding manner, so that the positions of the connecting rods 13 are limited and can only do linear motion, the nuts 12 are more stable when driving the concave fixture blocks 14 to move through the connecting rods 13, and the position deviation is not easy to generate.

Specifically, referring to fig. 3, a plurality of slots 16 matching with one end of the concave fixture block 14 are formed on adjacent inner walls of the two roller grooves 9, and one side end of each concave fixture block 14 is movably inserted into each slot 16.

In this embodiment: when the concave fixture block 14 is inserted into the roller groove 9 to clamp the bidirectional wheel 6, the concave fixture block 14 continues to move inwards, so that one end of the concave fixture block 14 with the groove is inserted into two clamping grooves 16 close to the concave fixture block 14. When the concave clamping block 14 clamps the bidirectional wheel 6, the pressure applied to the concave clamping block 14 by the bidirectional wheel 6 is acted in the clamping groove 16 and the insertion hole 10 by the concave clamping block 14, so that the concave clamping block 14 is more stable and is not easy to break.

Referring to fig. 2, two T-shaped limiting grooves 8 are formed in the top of the base 2, two T-shaped limiting blocks 7 matched with the T-shaped limiting grooves 8 are fixed at the bottom of the bearing plate 3, and the two T-shaped limiting blocks 7 are respectively embedded into the two T-shaped limiting grooves 8 in a sliding manner.

In this embodiment: imbed sliding connection in the setting of two T shape spacing inslot 8 respectively through two T shape stoppers 7, and T shape stopper 7 is fixed with loading board 3, make loading board 3 can' T break away from with base 2, can only slide at the top of base 2, make loading board 3 more stable, when loading board 3 promotes simultaneously, loading board 3 drives T shape stopper 7 and slides in T shape spacing inslot 8, when the front and back inner wall of T shape spacing groove 8 is contacted respectively at both ends around T shape stopper 7, surface loading board 3 removed the position to foremost side or rearmost side this moment, make things convenient for the determination of position.

Specifically referring to fig. 1, a positioning sticker 301 is fixed on the top of the carrier plate 3.

In this embodiment: when placing the engine on loading board 3, through the setting of location sticker 301 for the engine can be accurate place be located the top center of loading board 3 in location sticker 301, make loading board 3 more even when the atress, make the engine can counterpoint with test board 501 better moreover, conveniently carry out withstand voltage test.

The working principle and the using process of the utility model are as follows: when the device is used, firstly, the handle 17 is pulled to enable the bearing plate 3 to slide forwards through the two-way wheels 6 and not to be positioned at the lower side of the test plate 501, then the engine is placed on the bearing plate 3 through the force arm, then the bearing plate 3 is pushed backwards through pushing the two handles 17, the pushing can be stopped until the pushing cannot be carried out, at the moment, the motor 18 is started, the output shaft of the motor 18 drives the two-way screw rod 11 to rotate, two nuts 12 simultaneously move inwards, the two nuts 12 respectively drive the concave clamping blocks 14 to move inwards through the two connecting rods 13, so that the four concave clamping blocks 14 respectively slide into the four roller grooves 9 from the four jacks 10 and are respectively clamped at two sides of the circumferential surfaces of the four two-way wheels 6, the two-way wheels 6 cannot move, then the hydraulic press 5 is started to drive the test plate 501 to descend, and the pressure resistance detection can be carried out on the engine, the device enables the engine to be more convenient to place when carrying out the pressure test, not only reduces the labor consumption, but also improves the test efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pressure-resistant test device for the research of the aero-engine is characterized by comprising a workbench (1), wherein a base (2) and a portal frame (4) are fixed at the top of the workbench (1), two roller grooves (9) are formed in the top of the base (2), a bearing plate (3) is connected to the top of the base (2) in a sliding mode, two handles (17) are fixed to one side end of the bearing plate (3), two-way wheels (6) are fixed to four corners of the bottom of the bearing plate (3), the two-way wheels (6) are connected into the two roller grooves (9) in a sliding mode respectively, a clamping mechanism is arranged on the upper side of the workbench (1) and connected with the two-way wheels (6) to enable the two-way wheels (6) to be fixed into the two roller grooves (9) respectively, a hydraulic machine (5) is fixed to the inner top wall of the portal frame (4), and a test plate (501) is fixed at the bottom of the hydraulic machine (5).

2. The aircraft engine research pressure resistance test device according to claim 1, wherein the clamping mechanism comprises a bidirectional screw rod (11), a motor (18), two nuts (12), four connecting rods (13), four insertion holes (10) and four concave fixture blocks (14), the four insertion holes (10) are respectively arranged at two side ends of the workbench (1), the four concave fixture blocks (14) are respectively movably inserted into the four insertion holes (10), the four concave fixture blocks (14) are respectively clamped on the surfaces of four bidirectional wheels (6), two ends of the bidirectional screw rod (11) are respectively rotatably connected to two side inner walls of the portal frame (4), the motor (18) is fixed at one side end of the portal frame (4), and an output end of the motor (18) movably penetrates through one side inner wall of the portal frame (4) and is fixed with one end of the bidirectional screw rod (11), the two nuts (12) are respectively in threaded connection with two sides of the circumferential surface of the two-way screw rod (11), one ends of the four connecting rods (13) are respectively fixed with the four concave clamping blocks (14), and the other ends of the four connecting rods (13) are respectively fixed with the two nuts (12).

3. The withstand voltage test device for aero-engine research of claim 2, characterized in that, two gag lever posts (15) are fixed respectively to the both sides inner wall of portal frame (4), four the other end of gag lever post (15) is fixed with the both sides of workstation (1) respectively, four a spacing hole with gag lever post (15) assorted is all seted up to one side end of connecting rod (13), four connecting rod (13) are respectively through stopper sliding connection in the circumferential surface of four gag lever posts (15).

4. The aircraft engine research pressure resistance test device according to claim 3, wherein a plurality of clamping grooves (16) matched with one end of a concave clamping block (14) are formed in adjacent inner walls of the two roller grooves (9), and one side end parts of the concave clamping blocks (14) are movably inserted into the clamping grooves (16) respectively.

5. The withstand voltage test device for aero-engine research of claim 4, characterized in that two T-shaped limiting grooves (8) are opened at the top of the base (2), two T-shaped limiting blocks (7) matched with the T-shaped limiting grooves (8) are fixed at the bottom of the bearing plate (3), and the two T-shaped limiting blocks (7) are respectively embedded in the two T-shaped limiting grooves (8) in a sliding connection manner.

6. The aircraft engine research pressure resistance test device as claimed in claim 5, characterized in that a positioning sticker (301) is fixed on the top of the bearing plate (3).