CN108775996B

CN108775996B - Vibration test method for hybrid power device

Info

Publication number: CN108775996B
Application number: CN201810860146.1A
Authority: CN
Inventors: 林琳; 赵新新; 郭懋; 吕万韬; 严飞; 王灿雯
Original assignee: Wuhu Dianke In General Industrial Technology Research Institute Of Aviation Co Ltd
Current assignee: Wuhu Dianke In General Industrial Technology Research Institute Of Aviation Co Ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2020-03-27
Anticipated expiration: 2038-08-01
Also published as: CN108775996A

Abstract

The invention discloses a vibration test method of a combined power device, which adopts a vibration test system and comprises the following steps: s1, mounting the range extender supporting device on the test tool, and mounting the range extender simulation piece on the range extender supporting device; s2, mounting the motor mounting plate on the range extender supporting device, and mounting the driving motor simulation piece on the motor mounting plate; s3, mounting the first controller mounting plate on the test fixture, and mounting the first controller simulation piece on the first controller mounting plate; s4, mounting a second controller mounting plate on the test fixture, and mounting a second controller simulation piece on the second controller mounting plate; s5, mounting the test tool on a vibration table; and S6, performing a vibration test. The vibration test method of the hybrid power device can improve the vibration test efficiency.

Description

Vibration test method for hybrid power device

Technical Field

The invention belongs to the technical field of aircrafts, and particularly relates to a vibration test method of a hybrid power device.

Background

The hybrid power aircraft as a new energy aircraft can reduce environmental pollution and maintain high cruising ability, and has good development prospect in the field of general aircrafts at present. The hybrid power device comprises a range extender, a driving motor, various large controllers and other equipment, and the vibration mode of the whole system is more complex than that of a traditional aircraft engine system. The vibration has a great influence on the operation safety of the airplane, particularly in the take-off and landing processes, so that the vibration test needs to be carried out on the hybrid power device.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a vibration test method of a hybrid power device, and aims to improve the vibration test efficiency.

In order to achieve the purpose, the invention adopts the technical scheme that: the vibration test method of the hybrid power device adopts a vibration test system, the vibration test system comprises a vibration table, a test tool arranged on the vibration table and an integrated installation device which is arranged on the test tool and used for installing the hybrid power device simulation system, the hybrid power device simulation system comprises a range extender simulation piece, a driving motor simulation piece, a first controller simulation piece and a second controller simulation piece, and the integrated installation device comprises a range extender support device, a motor installation plate and a first controller installation plate;

the vibration test method of the hybrid power device comprises the following steps:

s1, mounting the range extender supporting device on the test tool, and mounting the range extender simulation piece on the range extender supporting device;

s2, mounting the motor mounting plate on the range extender supporting device, and mounting the driving motor simulation piece on the motor mounting plate;

s3, mounting the first controller mounting plate on the test fixture, and mounting the first controller simulation piece on the first controller mounting plate;

s4, mounting a second controller mounting plate on the test fixture, and mounting a second controller simulation piece on the second controller mounting plate;

s5, mounting the test tool on a vibration table;

and S6, performing a vibration test.

In step S1, the range extender support device is connected to three points of the range extender simulator, the range extender support device includes a first auxiliary support member connected to a first point of the range extender simulator, a second auxiliary support member connected to a second point of the range extender simulator, and a main support member connected to a third point of the range extender simulator, and the first auxiliary support member and the second auxiliary support member are connected to the main support member.

The main support part comprises a first main support, a second main support, a third main support, a fourth main support and a main connecting plate connected with the first main support, the second main support, the third main support and the fourth main support, wherein the first main support and the second main support are oppositely arranged, the third main support and the fourth main support are oppositely arranged, the third main support is positioned below the first main support, and the fourth main support is positioned below the second main support; in the step S2, the first, second, third and fourth main brackets are coupled to the motor mounting plate.

First main support include with the first last branch that the motor mounting panel is connected and the first branch of stretching out in the first pole outside of going up of orientation with first last branch of going up, the second main support include with the motor mounting panel is detachable connection's second last branch and with the second go up the branch and be connected and the second lower branch that stretches out in the pole outside of going up of orientation on the second, the main connecting plate is located between first lower branch and the second lower branch and is connected with first lower branch, main connecting plate and second lower branch are detachable connection.

The third main support include with the third upper strut that the motor mounting panel is connected and the third lower strut that stretches out in the third upper strut outside of being connected with the third upper strut, the fourth main support include the fourth upper strut of being connected with the motor mounting panel and the fourth lower strut of being connected with the fourth upper strut and stretching out in the fourth upper strut outside of being connected with the fourth upper strut, the main junction board is located between third lower strut and the fourth lower strut and is connected with third lower strut and fourth lower strut, and third lower strut is located the below of first lower strut, fourth lower strut is located the below of second lower strut.

The first auxiliary supporting component comprises a support mounting plate connected with the fourth main support, an inclined strut support connected with the support mounting plate, a first connecting plate connected with the inclined strut support, a first transfer plate used for being connected with a first part of the range extender simulation piece and a shock pad clamped between the first connecting plate and the first transfer plate, and the first connecting plate is located between the third main support and the fourth main support.

The first auxiliary support member further includes a first auxiliary support connected to the first connection plate and the second main support, the first auxiliary support being located above the diagonal support; in the step S1, the bracket mounting plate is connected to the fourth main bracket through a clamp, the clamp is sleeved on the fourth main bracket, and the clamp is connected to the bracket mounting plate through a fastener.

The main support component further comprises a rear end reinforcing structure, the rear end reinforcing structure is connected with the second auxiliary support component, the first controller mounting plate, the first main support, the third main support and the fourth main support, the rear end reinforcing structure comprises a central connecting rod, a first rear supporting rod, a second rear supporting rod, a third rear supporting rod, a fourth rear supporting rod and a fifth rear supporting rod, one end of the second rear supporting rod is fixedly connected with the central connecting rod, one end of the fifth rear supporting rod is fixedly connected with the central connecting rod, the fifth rear supporting rod extends towards the upper side of the central connecting rod, one end of the third rear supporting rod is fixedly connected with the central connecting rod, the third rear supporting rod is located below the second rear supporting rod, one end of the fourth rear supporting rod is fixedly connected with the central connecting rod, and the third rear supporting rod and the fourth rear supporting rod extend towards the lower side of the central connecting rod in an inclined mode.

The second auxiliary supporting part comprises a second auxiliary support connected with the main supporting part, a second connecting plate connected with the second auxiliary support, a second adapter plate used for being connected with a second part of the range extender simulation piece and a shock pad arranged on the second connecting plate, and the shock pad is clamped between the second connecting plate and the second adapter plate.

The experimental frock includes the bottom plate, set up on the bottom plate and be used for the riser of being connected with integrated installation device, set up roof on the riser and with the strengthening rib of bottom plate and riser connection, strengthen and set up a plurality ofly.

According to the vibration test method of the hybrid power device, the adopted vibration test system is matched with the test tool through the integrated installation device, so that the simulation system of the hybrid power device is integrally installed, the compactness of the whole structure is improved, the arrangement of the simulation system of the hybrid power device during the test is convenient, and the vibration test efficiency can be improved; the integrated mounting device has good structural stability, strong integrity and clear and definite load transfer route, can ensure the safe and reliable mounting of the hybrid power device simulation system and avoid the damage of the hybrid power device simulation system; the vibration test system adopted by the invention is simple and convenient to build and can be conveniently and integrally installed.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a front view of a vibration testing system;

FIG. 2 is a top view of a vibration testing system;

FIG. 3 is a schematic structural diagram of a test fixture;

FIG. 4 is a schematic structural view of an integrated mounting device;

FIG. 5 is an assembled schematic view of the integrated mounting device and hybrid simulation system;

FIG. 6 is a view from the direction A of FIG. 4;

FIG. 7 is a view from the direction B of FIG. 4;

FIG. 8 is a rear structural view of the integrated mounting device;

FIG. 9 is an isometric view of the integrated mounting device assembled with the hybrid simulation system;

FIG. 10 is a cross-sectional view of the shock pad at the connection with the adapter plate and the connection plate;

labeled as: 1. a motor mounting plate; 2. a first main support; 201. a first upper support bar; 202. a first lower support bar; 3. a second main support; 301. a second upper support bar; 302. a second lower support bar; 4. a third main support; 401. a third upper strut; 402. a third lower strut; 5. a fourth main supporter; 501. a fourth upper strut; 502. a fourth lower strut; 6. a main connection plate; 7. a first auxiliary support member; 701. a bracket mounting plate; 702. a diagonal bracing support; 703. a first connecting plate; 704. a first auxiliary support; 705. clamping a hoop; 706. a first transfer plate; 8. a second auxiliary support member; 801. a second connecting plate; 802. a second adapter plate; 803. a second auxiliary support; 804. a third auxiliary support; 805. a third connecting plate; 806. a third adapter plate; 9. a first controller mounting plate; 10. a second controller mounting plate; 11. a range extender simulation piece; 12. a drive motor simulation; 13. a first controller simulator; 14. a second controller simulator; 15. a shock pad; 16. a main adapter plate; 17. a first rear strut; 18. a second rear strut; 19. a third rear strut; 20. a fourth rear strut; 21. a fifth rear strut; 22. a central connecting rod; 23. a vibration table; 24. a base plate; 25. a top plate; 26. a vertical plate; 27. reinforcing ribs; 28. lifting lugs; 29. a shaker control system; 30. oil strain simulation piece.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1 to 10, the present invention provides a vibration testing method for a hybrid power device, which employs a vibration testing system, the vibration testing system includes a vibration table 23, a testing tool disposed on the vibration table 23, and an integrated mounting device disposed on the testing tool and used for mounting a hybrid power device simulation system, the hybrid power device simulation system includes a range extender simulation piece, a driving motor simulation piece, a first controller simulation piece, and a second controller simulation piece, the integrated mounting device includes a range extender supporting device, a motor mounting plate 1, and a first controller mounting plate 9, the range extender supporting device is used for being connected with the range extender simulation piece and used for providing support for the range extender simulation piece, the motor mounting plate is used for mounting the driving motor simulation piece and connected with the range extender supporting device, the first controller mounting plate 9 is used for mounting the first controller simulation piece, the first controller mounting plate 9 is fixedly connected with the range extender supporting device. The vibration test method of the hybrid power device of the invention comprises the following steps:

s5, mounting the test tool on a vibration table;

and S6, performing a vibration test.

Specifically, the hybrid power device of the hybrid power aircraft mainly comprises a range extender, a driving motor, a first controller and a second controller, wherein the range extender comprises an engine and a generator, the engine is connected with the generator and drives the generator to generate electricity, the engine and the generator are connected into an integrated structure, a power battery is used for storing electric energy and provides the electric energy for the driving motor, and the driving motor is used for providing driving force for a propeller and driving the propeller to rotate so as to generate pulling force and provide forward kinetic energy for the aircraft. The hybrid power device simulation system is used as a simulation piece of a hybrid power device of a hybrid power airplane, mainly comprises a range extender simulation piece and a driving motor simulation piece, the system comprises a first controller simulation piece and a second controller simulation piece, wherein the range extender simulation piece is a range extender used for simulating a hybrid power device, the structure of the range extender simulation piece is the same as that of a real range extender, the driving motor simulation piece is a driving motor used for simulating the hybrid power device, the structure of the driving motor simulation piece is the same as that of the real driving motor, the first controller simulation piece is a first controller used for simulating the hybrid power device, the structure of the first controller simulation piece is the same as that of the real first controller, the second controller simulation piece is a second controller used for simulating the hybrid power device, and the structure of the second controller simulation piece is the same as that of the real second controller. The integrated installation device is used for providing installation positions for the range extender simulation piece of the hybrid power device simulation system, the driving motor simulation piece and the first controller simulation piece, so that the range extender simulation piece of the hybrid power device simulation system is integrated with the first controller simulation piece, integrated installation is formed, the compactness of the whole structure can be improved, the arrangement of the hybrid power device simulation system in the test is facilitated, the structural stability is good, the assembly and disassembly are convenient, each part of the hybrid power device simulation system can be independently assembled and disassembled, the operation is simple, and the vibration test efficiency is improved.

As shown in fig. 4 to 9, the motor mounting plate 1 and the first controller mounting plate 9 are connected to the range extender supporting device, the motor mounting plate 1 and the first controller mounting plate 9 are mounted on the range extender supporting device, the range extender simulation piece is mounted on the range extender supporting device, the first controller simulation piece is mounted on the first controller mounting plate 9, and the driving motor simulation piece is mounted on the motor mounting plate 1. In step S1, the range extender support device is connected to three points of the range extender simulator, the range extender support device includes a first auxiliary support member 7 connected to a first point of the range extender simulator, a second auxiliary support member 8 connected to a second point of the range extender simulator, and a main support member connected to a third point of the range extender simulator, and the first auxiliary support member 7 and the second auxiliary support member 8 are connected to the main support member. The range extender supporting device is detachably connected with the range extender simulation piece, so that the range extender can be conveniently disassembled and assembled, and the range extender supporting device is connected with the three components of the range extender simulation piece, so that the connection reliability and the stability for supporting the range extender simulation piece are ensured. Increase journey ware strutting arrangement and be connected with experimental frock, be detachable connection between increase journey ware strutting arrangement and the experimental frock moreover, make things convenient for the dismouting. Motor mounting panel 1 and increase journey ware strutting arrangement's one end fixed connection, first controller mounting panel 9 and increase journey ware strutting arrangement's other end fixed connection, motor mounting panel 1 and first controller mounting panel 9 are the mutual disposition, motor mounting panel 1 is located the front end that increases journey ware strutting arrangement, first controller mounting panel 9 is located the rear end that increases journey ware strutting arrangement, increases journey ware simulation piece and is located between driving motor simulation piece and the first controller simulation piece. Preferably, the driving motor simulation piece is detachably connected with the motor mounting plate 1, and the first controller simulation piece is also detachably connected with the first controller mounting plate 9, so that the hybrid power device simulation system is convenient to disassemble and assemble, and each part of the hybrid power device simulation system can be independently disassembled and assembled.

As shown in fig. 4 to 9, the main supporting part is detachably connected to the third portion of the range extender simulator, the main supporting part plays a role in bearing, and is a main bearing part, and the motor mounting plate 1, the first auxiliary supporting part 7 and the second auxiliary supporting part 8 are fixedly connected to the main supporting part to form an integrated structure. The main support part includes first main support 2, second main support 3, third main support 4, fourth main support 5 and with first main support 2, second main support 3, the main connecting plate 6 that third main support 4 and fourth main support 5 are connected, first main support 2, second main support 3, third main support 4 and fourth main support 5 are connected with motor mounting panel 1, first supplementary support part 7 is connected with second main support 3 and fourth main support 5, first supplementary support part 7 is installed on second main support 3 and fourth main support 5, first main support 2, second main support 3, third main support 4 and fourth main support 5 are main load and pass power component. The first main support 2 and the second main support 3 are oppositely arranged, the third main support 4 and the fourth main support 5 are oppositely arranged, the third main support 4 is positioned below the first main support 2, and the fourth main support 5 is positioned below the second main support 3. The first main support 2 is fixedly connected with a first part of the motor mounting plate 1, the second main support 3 is fixedly connected with a second part of the motor mounting plate 1, the third main support 4 is fixedly connected with a third part of the motor mounting plate 1, the fourth main support 5 is fixedly connected with a fourth part of the motor mounting plate 1, the first part, the second part, the third part and the fourth part of the motor mounting plate 1 are distributed in a rectangular shape, the first part and the second part of the motor mounting plate 1 are positioned on the same straight line parallel to the first direction, the third part and the fourth part of the motor mounting plate 1 are also positioned on the same straight line parallel to the first direction, the first part and the third part of the motor mounting plate 1 are positioned on the same straight line parallel to the second direction, the second part and the fourth part of the motor mounting plate 1 are also positioned on the same straight line parallel to the second direction, first direction and second direction are mutually perpendicular and first direction and second direction are mutually perpendicular with the axis of the output shaft of driving motor simulation piece, and the first position, the second position, the third position and the fourth position of motor mounting panel 1 distribute around the outside of the axis of the output shaft of driving motor simulation piece, set up like this, and structural stability is better, supports the reliability height. First main support 2, second main support 3, third main support 4 and fourth main support 5 are thin wall return bend shaping, effectively reduce stress concentration, and main supporting part structural strength is high, the good reliability.

As shown in fig. 4 to 9, the first main support 2 includes a first upper support bar 201 connected to the motor mounting plate 1 and a first lower support bar 202 connected to the first upper support bar 201 and extending outward of the first upper support bar 201, the second main support 3 includes a second upper support bar 301 connected to the motor mounting plate 1 and a second lower support bar 302 connected to the second upper support bar 301 and extending outward of the second upper support bar 301, and the main connection plate 6 is located between the first lower support bar 202 and the second lower support bar 302 and connected to the first lower support bar 202 and the second lower support bar 302. The length direction of the main connecting plate 6 is parallel to the second direction, the thickness direction of the main connecting plate 6 is parallel to the first direction, and the main connecting plate 6 is arranged between the motor mounting plate 1 and the second auxiliary supporting component 8. First upper support rod 201 and first lower support rod 202 all have certain length, and the one end of first upper support rod 201 is connected with the first position of motor mounting panel 1, and the other end of first upper support rod 201 is connected with experimental frock, and the one end of first lower support rod 202 and first upper support rod 201 fixed connection and first lower support rod 202 are in the position department between the both ends of first upper support rod 201 and first upper support rod 201 fixed connection, the other end of first lower support rod 202 and the upper end fixed connection of main junction plate 6. The second upper supporting rod 301 and the second lower supporting rod 302 both have a certain length, one end of the second upper supporting rod 301 is connected with the second position of the motor mounting plate 1, the other end of the second upper supporting rod 301 is connected with a test tool, one end of the second lower supporting rod 302 is fixedly connected with the second upper supporting rod 301, the second lower supporting rod 302 is fixedly connected with the second upper supporting rod 301 at the position between the two ends of the second upper supporting rod 301, the other end of the second lower supporting rod 302 is connected with the upper end of the main connecting plate 6, the first lower supporting rod 202 and the second lower supporting rod 302 are respectively located on one side of the main connecting plate 6, the main connecting plate 6 is close to the first upper supporting rod 201, the length of the first lower supporting rod 202 is smaller than that of the second lower supporting rod 302, and the third position of the stroke extender simulation piece can be conveniently adapted. The first lower supporting rod 202 and the second lower supporting rod 302 are arc-shaped rod-shaped components, a connection point of the first lower supporting rod 202 and the first upper supporting rod 201 and a connection point of the second lower supporting rod 302 and the second upper supporting rod 301 are located on the same straight line parallel to the first direction, an included angle is formed between the length direction of the first upper supporting rod 201 and the first direction and is smaller than 90 degrees, an included angle is formed between the length direction of the second upper supporting rod 301 and the first direction and is smaller than 90 degrees, the first upper supporting rod 201 and the second upper supporting rod 301 are arranged in a V shape, and the vertical distance between the end portion, connected with the motor mounting plate 1, of the first upper supporting rod 201 and the end portion, connected with the test tool, of the second upper supporting rod 301 and the test tool is smaller than the vertical distance between the end portion, connected with the test tool, of the first upper supporting rod 201 and the end portion, connected with.

Preferably, the first upper support rod 201, the first lower support rod 202, the second upper support rod 301, the second lower support rod 302 and the main connecting plate 6 are made of alloy steel, the first upper support rod 201 and the first lower support rod 202 are in welded connection, the second upper support rod 301 and the second lower support rod 302 are in welded connection, the first lower support rod 202 and the second lower support rod 302 and the main connecting plate 6 are in welded connection, the overall structural strength is high, and the supporting stability is good.

As shown in fig. 4 to 9, the third main support 4 includes a third upper support bar 401 connected to the motor mounting plate 1 and a third lower support bar 402 connected to the third upper support bar 401 and extending outward of the third upper support bar 401, the fourth main support 5 includes a fourth upper support bar 501 connected to the motor mounting plate 1 and a fourth lower support bar 502 connected to the fourth upper support bar 501 and extending outward of the fourth upper support bar 501, the main connection plate 6 is located between the third lower support bar 402 and the fourth lower support bar 502 and connected to the third lower support bar 402 and the fourth lower support bar 502, the third lower support bar 402 is located below the first lower support bar 202, the fourth lower support bar 502 is located below the second lower support bar 302, the third upper support bar 401 is also located below the first upper support bar 201 and the first lower support bar 202, and the fourth upper support bar 501 is also located below the second upper support bar 301 and the second lower support bar 302. The main connecting plate 6 is located between the third upper supporting rod 401 and the fourth upper supporting rod 501, the third upper supporting rod 401 and the third lower supporting rod 402 both have a certain length, one end of the third upper supporting rod 401 is connected with the third position of the motor mounting plate 1, the other end of the third upper supporting rod 401 is connected with a test tool, one end of the third lower supporting rod 402 is fixedly connected with the third upper supporting rod 401, the third lower supporting rod 402 is fixedly connected with the third upper supporting rod 401 at the position between the two ends of the third upper supporting rod 401, and the other end of the third lower supporting rod 402 is fixedly connected with the lower end of the main connecting plate 6. The fourth upper supporting rod 501 and the fourth lower supporting rod 502 both have a certain length, one end of the fourth upper supporting rod 501 is connected with the fourth part of the motor mounting plate 1, the other end of the fourth upper supporting rod 501 is connected with a test tool, one end of the fourth lower supporting rod 502 is fixedly connected with the fourth upper supporting rod 501, the fourth lower supporting rod 502 is fixedly connected with the fourth upper supporting rod 501 at a position between two ends of the fourth upper supporting rod 501, the other end of the fourth lower supporting rod 502 is fixedly connected with the upper end of the main connecting plate 6, the third lower supporting rod 402 and the fourth lower supporting rod 502 are respectively located on one side of the main connecting plate 6, the main connecting plate 6 is close to the third upper supporting rod 401, and the length of the third lower supporting rod 402 is smaller than that of the fourth lower supporting rod 502, so as to be convenient for being adapted to the third part of the range extender simulation piece. The third lower supporting rod 402 and the fourth lower supporting rod 502 are arc-shaped rod-shaped structures, a connection point of the third lower supporting rod 402 and the third upper supporting rod 401 and a connection point of the fourth lower supporting rod 502 and the fourth upper supporting rod 501 are positioned on the same straight line parallel to the first direction, an included angle is formed between the length direction of the third upper supporting rod 401 and the third direction and is smaller than 90 degrees, an included angle is formed between the length direction of the fourth upper supporting rod 501 and the third direction and is smaller than 90 degrees, the third upper supporting rod 401 and the fourth upper supporting rod 501 are arranged in a V shape, the vertical distance between the end portion of the third upper supporting rod 401 connected with the motor mounting plate 1 and the end portion of the fourth upper supporting rod 501 connected with the motor mounting plate 1 is smaller than the vertical distance between the end portion of the third upper supporting rod 401 connected with the test tool and the end portion of the fourth upper supporting rod 501 connected with the test tool, and the vertical distance between the end portion of the first upper supporting rod 201 connected with the test tool and the end portion of the second upper supporting The distance between the end part of the third upper support rod 401 connected with the test tool and the end part of the fourth upper support rod 501 connected with the test tool is larger than the vertical distance between the end part of the third upper support rod 401 connected with the test tool and the end part of the fourth upper support rod 501 connected with the test tool, the end part of the third upper support rod 401 connected with the test tool and the end part of the fourth upper support rod 501 connected with the test tool are at the same height, the height of the end part of the third upper support rod 401 connected with the test tool is smaller than that of the end part of the first upper support rod 201 connected with the test tool, the height of the first part of the motor mounting plate 1 is larger than that of the third part of the motor mounting plate 1, the height of the third part of the motor mounting plate 1 is larger than that of the end part of the first upper support rod 201 connected with the test tool, the first upper support rod 201 and the second upper support, the third upper supporting rod 401 and the fourth upper supporting rod 501 are both obliquely extended.

Preferably, the third upper strut 401, the third lower strut 402, the fourth upper strut 501 and the fourth lower strut 502 are made of alloy steel, the third upper strut 401 and the third lower strut 402 are in welded connection, the fourth upper strut 501 and the fourth lower strut 502 are in welded connection, the third lower strut 402 and the fourth lower strut 502 are in welded connection with the main connecting plate 6, and therefore the overall structural strength is high and the supporting stability is good.

The main support component that mainly comprises first main support 2, second main support 3, third main support 4 and fourth main support 5 of above-mentioned structure is frame rack structure, and inner space is big, is convenient for increase dismouting and the maintenance of journey ware simulation piece, and structural strength is high, long service life, and processing is convenient.

As shown in fig. 4 to 9, the main supporting part further comprises a main adapter plate 16 used for being connected with the third part of the range extender simulator and a shock pad arranged on the main connecting plate 6, the main adapter plate 16 is positioned on one side of the main connecting plate 6, the main adapter plate 16 is parallel to the main connecting plate 6, the shock pad has elastic performance, the shock pad can generate certain elastic deformation to play a shock absorption role, the shock pad is fixedly connected with the main adapter plate 16, the shock pad is clamped between the main connecting plate 6 and the main adapter plate 16, a shock absorption effect can be achieved, vibration caused by the range extender simulator is attenuated, flexible connection with the range extender simulator is achieved, and reliability is improved. The shock absorbing pad has various forms, such as a rubber block made of rubber.

Preferably, as shown in fig. 10, the shock pad is fixedly connected to the main adapter plate 16 by bolts, the main connecting plate 6 has a mounting hole into which the shock pad is inserted, and the shock pad is fixedly connected to the main connecting plate 6. The main adapter plate 16 is connected with the range extender simulation piece through bolts so as to be convenient to disassemble and assemble, and the main adapter plate 16 is provided with through holes for the bolts to pass through.

As shown in fig. 4 to 10, the first auxiliary support member 7 includes a stand mounting plate 701 connected to the fourth main stand 5, a diagonal stand 702 connected to the stand mounting plate 701, and a first connection plate 703 connected to the diagonal stand 702, the first connection plate 703 being located between the third main stand 4 and the fourth main stand 5. The support mounting plate 701 is installed on the fourth upper support rod 501, one end of the diagonal support 702 is fixedly connected with the support mounting plate 701, the other end of the diagonal support 702 is fixedly connected with the support mounting plate 701, the support mounting plate 701 and the diagonal support 702 are located below the range extender simulation piece, and the height of the first connecting plate 703 is larger than that of the end portion of the fourth upper support rod 501 connected with the test tool. The first auxiliary support member 7 further includes a first connection plate 706 for connection with the first portion of the range extender dummy and a shock absorbing pad provided on the first connection plate 703, the first connection plate 706 is located on one side of the first connection plate 703 and the first connection plate 706 is parallel to the first connection plate 703, and the first connection plate 703 is parallel to the main connection plate 6. The shock pad has elastic performance, and the shock pad can produce certain elastic deformation volume to play the cushioning effect, shock pad and first adapter plate 706 fixed connection and shock pad clamp between first adapter plate 703 and first adapter plate 706, and then can play the damping effect, and the decay increases the vibration that journey ware simulation piece caused, has realized and has increased the flexonics of journey ware simulation piece, improves the reliability. The shock absorbing pad has various forms, such as a rubber block made of rubber.

Preferably, as shown in fig. 10, the shock absorbing pad is fixedly coupled to the first coupling plate 706 by bolts, the first coupling plate 703 has a mounting hole into which the shock absorbing pad is inserted, and the shock absorbing pad is fixedly coupled to the first coupling plate 703. The first adapter plate 706 is connected to the range extender simulator by bolts for easy disassembly, and the first adapter plate 706 has through holes for passing the bolts.

As shown in fig. 4 to 9, the first auxiliary support member 7 further includes a first auxiliary support 704 coupled to the first coupling plate 703 and the second main support 3, the first auxiliary support 704 being located above the diagonal support 702. The arrangement of the first auxiliary support 704 improves the connection strength of the first auxiliary support part 7 and the main support part, and improves the stability and reliability of supporting the range extender simulation piece. One end of the first auxiliary support 704 is connected with the first connecting plate 703 in a detachable manner, the other end of the first auxiliary support 704 is fixedly connected with the end of the second upper support rod 301, the end of the second upper support rod 301 is the end of the second upper support rod 301 connected with the test tool, and the length of the first auxiliary support 704 is greater than that of the diagonal support 702. The first auxiliary support 704 and the diagonal support 702 are rod-shaped members with a certain length, the first auxiliary support 704, the diagonal support 702, the first connecting plate 703 and the first adapter plate 706 are made of alloy steel, the first auxiliary support 704 and the second upper support rod 301 are in welded connection, and the diagonal support 702, the first connecting plate 703 and the first adapter plate 706 are in welded connection. The first auxiliary supporting component 7 has high overall structural strength and good supporting stability.

As shown in fig. 4 to 9, the support mounting plate 701 is connected to the fourth main support 5 by a clip 705, the clip 705 is sleeved on the fourth main support 5, and the clip 705 is connected to the support mounting plate 701 by a fastener. Preferably, the hoop 705 is provided with a plurality of hoops 705, all the hoops 705 are sequentially arranged along the length direction of the fourth upper support rod 501, the hoop 705 is of a C-shaped structure, the hoop 705 is sleeved on the fourth upper support rod 501, the support mounting plate 701 is located on one side of the fourth upper support rod 501, the hoop 705 is connected with the support mounting plate 701 through two fasteners formed by bolts and nuts, through holes for the bolts to pass through are formed in the two ends of the hoop 705 and the support mounting plate 701, and the hoop 705 and the support mounting plate 701 are matched to clamp the fourth upper support rod 501 to achieve fixed connection with the fourth upper support rod 501.

In this embodiment, as shown in fig. 6 and 9, two clips 705 are provided. The clip 705 and the rack mounting plate 701 form a detachable connection, so that the first auxiliary support member 7 and the fourth main rack 5 form a detachable connection. When assembling with the range extender simulation piece, the position of the first auxiliary supporting component 7 on the fourth main support 5 can be adjusted, so that the assembly tolerance is compensated, the assembly is convenient, the assembly efficiency is improved, and the vibration test efficiency is improved.

As shown in fig. 4 to 10, the second auxiliary support member 8 includes a second auxiliary support 803 connected to the main support member, a second connection plate 801 connected to the second auxiliary support 803, a second adapter plate 802 for connecting to a second portion of the range extender simulator, and a shock pad disposed on the second connection plate 801, the second adapter plate 802 is disposed on one side of the second connection plate 801, the second adapter plate 802 is parallel to the second connection plate 801, the second connection plate 801 is parallel to the main connection plate 6, and the main connection plate 6 is disposed between the motor mounting plate 1 and the second connection plate 801. One end of the second auxiliary support 803 is fixedly connected to the main support member, the other end of the second auxiliary support 803 is fixedly connected to the second connecting plate 801, the height of the main support member is greater than that of the first connecting plate 703, and the connection point of the second auxiliary support 803 to the main support member is located below the second connecting plate 801. The shock pad that sets up on second connecting plate 801 has elastic performance, and the shock pad can produce certain elastic deformation volume to play the cushioning effect, shock pad and second keysets 802 fixed connection and shock pad clamp are between second connecting plate 801 and second keysets 802, and then can play the damping effect, and the damping increases the vibration that journey ware simulation piece caused, has realized and has increased the flexonics of journey ware simulation piece, improves the reliability. The shock absorbing pad has various forms, such as a rubber block made of rubber.

Preferably, as shown in fig. 10, the shock pad is fixedly connected to the second adapter plate 802 by a bolt, the second connection plate 801 has a mounting hole into which the shock pad is inserted, and the shock pad is fixedly connected to the second connection plate 801. The second adapter plate 802 is connected with the range extender simulation piece through a bolt so as to be convenient to disassemble and assemble, and the second adapter plate 802 is provided with a through hole for the bolt to pass through.

As shown in fig. 4 to 10, the second auxiliary supporting member 8 further includes a third auxiliary support 804 connected to the second connecting plate 801, and the third auxiliary support 804 is located above the second auxiliary support 803. Due to the arrangement of the third auxiliary support 804, the structural strength of the second auxiliary support part 8 is improved, and the stability and reliability of the support of the range extender simulation piece are improved. One end of the third auxiliary support 804 is fixedly connected with the second connecting plate 801, the other end of the third auxiliary support 804 is fixedly connected with the first controller mounting plate 9, the length of the third auxiliary support 804 is greater than that of the second auxiliary support 803, the third auxiliary support 804 extends obliquely towards the rear of the second auxiliary support 803, the length directions of the third auxiliary support 804 and the second auxiliary support 803 are perpendicular to the first direction, and an included angle is formed between the length direction of the third auxiliary support 804 and the length direction of the second auxiliary support 803 and is an acute angle. The second auxiliary support 803 and the third auxiliary support 804 are rod-shaped members with a certain length, the second auxiliary support 803, the third auxiliary support 804, the second connecting plate 801 and the second adapter plate 802 are made of alloy steel, the upper end of the second auxiliary support 803 and the upper end of the third auxiliary support 804 are in welded connection with the second connecting plate 801, and the lower end of the second auxiliary support 803 is in welded connection with the main supporting part. The second auxiliary supporting component 8 is high in overall structural strength and good in supporting stability of the range extender simulation piece.

As shown in fig. 4 to 10, the second auxiliary support member 8 further includes a third connecting plate 805 connected to the main support member, a third adapter plate 806 connected to the second portion of the range extender simulator, and a shock pad disposed on the third connecting plate 805, the third adapter plate 806 is disposed on one side of the third connecting plate 805, the third adapter plate 806 is parallel to the third connecting plate 805, the third connecting plate 805 is parallel to the main connecting plate 6, the third connecting plate 805 is disposed below the second connecting plate 801, the third connecting plate 805 and the second connecting plate 801 are in the same line parallel to the second direction, and the third adapter plate 806 and the second adapter plate 802 are also in the same line parallel to the second direction. One end of the third connecting plate 805 is fixedly connected to the main supporting member, a shock pad is disposed at the other end of the third connecting plate 805, and the third connecting plate 805 is located below the second auxiliary support 803. The shock pad arranged on the third connecting plate 805 has elastic performance, can generate certain elastic deformation to play a shock absorption role, is fixedly connected with the third adapter plate 806 and clamped between the third connecting plate 805 and the third adapter plate 806, and further can play a shock absorption effect, attenuates the vibration caused by the range extender simulation piece, realizes the flexible connection with the range extender simulation piece, and improves the reliability. The shock absorbing pad has various forms, such as a rubber block made of rubber.

Preferably, as shown in fig. 10, the shock absorbing pad is fixedly connected to the third adapter plate 806 by bolts, the third connecting plate 805 has mounting holes into which the shock absorbing pad is inserted, and the shock absorbing pad is fixedly connected to the third connecting plate 805. The third adapter plate 806 is connected to the range extender simulator by bolts for easy disassembly and assembly, and the third adapter plate 806 has through holes for the bolts to pass through. The third connecting plate 805 is made of alloy steel, and the third connecting plate 805 and the main support component are connected in a welding mode.

As shown in fig. 4 to 9, the main supporting component further includes a rear end reinforcing structure, the rear end reinforcing structure is arranged opposite to the second auxiliary supporting component 8, the first controller mounting plate 9, the first main support 2, the third main support 4 and the fourth main support 5, the main connecting plate 6 is located between the rear end reinforcing structure and the motor mounting plate 1, the rear end reinforcing structure is located at the rear side of the range extender simulator, the main connecting plate 6 is located at the front side of the range extender simulator, the first upper supporting rod 201, one ends of the third upper supporting rod 401 and the fourth upper supporting rod 501 are fixedly connected to the motor mounting plate 1, and the other ends of the first upper supporting rod 201, the third upper supporting rod 401 and the fourth upper supporting rod 501 are fixedly connected to the rear end reinforcing structure. The rear end reinforcing structure is used for being connected with the experimental frock and is detachably connected between rear end reinforcing structure and the experimental frock, and the setting of rear end reinforcing structure has further improved the overall structure intensity of main support component and the reliability of being connected between the experimental frock. Preferably, the rear end reinforcing structure includes a central connecting rod 22, a first rear supporting rod 17, a second rear supporting rod 18, a third rear supporting rod 19, a fourth rear supporting rod 20 and a fifth rear supporting rod 21, one end of the first rear supporting rod 17 is fixedly connected with an end portion of the first upper supporting rod 201, the end portion of the first upper supporting rod 201 is an end of the first upper supporting rod 201 connected with the test fixture, the other end of the first rear supporting rod 17 is fixedly connected with a first controller mounting plate 9, the first controller mounting plate 9 is connected with the test fixture through bolts, the first rear supporting rod 17 is used for providing a supporting effect for the first controller mounting plate 9, and the first rear supporting rod 17 extends towards the upper side of the first upper supporting rod 201. One end of the second rear supporting rod 18 is fixedly connected with the end of the first upper supporting rod 201, the end of the first upper supporting rod 201 is the end of the first upper supporting rod 201 connected with the test tool, the other end of the second rear supporting rod 18 is fixedly connected with the central connecting rod 22, the length direction of the second rear supporting rod 18 is parallel to the first direction, and the second rear supporting rod 18 is located below the third auxiliary support 804. One end of a fifth rear strut 21 is fixedly connected with the central connecting rod 22, the other end of the fifth rear strut 21 is fixedly connected with another first controller mounting plate 9, a third auxiliary support 804 is also fixedly connected with the first controller mounting plate 9, the fifth rear strut 21 and the third auxiliary support 804 are matched to provide a supporting effect for one first controller mounting plate 9, the fifth rear strut 21 is located below the third auxiliary support 804, the length of the fifth rear strut 21 is smaller than that of the second auxiliary support 803, the fifth rear strut 21 extends towards the upper side of the central connecting rod 22, the second auxiliary support 803 also extends towards the upper side of the central connecting rod 22, the lower end of the second auxiliary support 803 is fixedly connected with the central connecting rod 22, and an included angle is formed between the length direction of the second auxiliary support 803 and the length direction of the fifth rear strut 21 and is an acute angle. One end of the third rear strut 19 is fixedly connected with the end of the third upper strut 401, the end of the third upper strut 401 is the end of the third upper strut 401 connected with the test tool, the other end of the third rear strut 19 is fixedly connected with the central connecting rod 22, the third rear strut 19 is located below the second rear strut 18, an included angle is formed between the length direction of the second rear strut 18 and the length direction of the third rear strut 19, the included angle is an acute angle, and the length direction of the third rear strut 19 is perpendicular to the length direction of the central connecting rod 22.

One end of the fourth rear strut 20 is fixedly connected with an end of the fourth upper strut 501, the end of the fourth upper strut 501 is one end of the fourth upper strut 501 connected with a test fixture, the other end of the fourth rear strut 20 is fixedly connected with the central connecting rod 22, an included angle is formed between the length direction of the fourth rear strut 20 and the length direction of the third rear strut 19 and is an obtuse angle, the length direction of the fourth rear strut 20 is perpendicular to the length direction of the central connecting rod 22, the central connecting rod 22 and the end of the first upper strut 201 connected with the test fixture are at the same height, and the third rear strut 19 and the fourth rear strut 20 extend obliquely towards the lower part of the central connecting rod 22.

The central connecting rod 22, the first rear supporting rod 17, the second rear supporting rod 18, the third rear supporting rod 19, the fourth rear supporting rod 20 and the fifth rear supporting rod 21 are rod-shaped components with certain lengths, the central connecting rod 22, the first rear supporting rod 17, the second rear supporting rod 18, the third rear supporting rod 19, the fourth rear supporting rod 20 and the fifth rear supporting rod 21 are made of alloy steel, the central connecting rod 22 is welded with the second auxiliary support 803, the second rear supporting rod 18, the third rear supporting rod 19, the fourth rear supporting rod 20 and the fifth rear supporting rod 21, the first rear supporting rod 17 and the second rear supporting rod 18 are welded with the first upper supporting rod 201, the third rear supporting rod 19 is welded with the third upper supporting rod 401, and the fourth rear supporting rod 20 is welded with the fourth upper supporting rod 501.

Preferably, in step S1, the main supporting member is connected to the testing tool by bolts, that is, the first upper supporting rod 201, the second upper supporting rod 301, the third upper supporting rod 401, the fourth upper supporting rod 501 and the central connecting rod 22 are detachably connected to the testing tool by bolts, and this connection is convenient to assemble and disassemble, and accordingly, the first upper supporting rod 201, the second upper supporting rod 301, the third upper supporting rod 401, the fourth upper supporting rod 501 and the central connecting rod 22 have through holes for passing bolts.

Preferably, the second main support 3 is detachably connected with the main connecting plate 6 and the test tool and the motor mounting plate 1, the second main support 3 can be detached separately, the end of the second lower support rod 302 is connected with the main connecting plate 6 through a bolt, the end of the second upper support rod 301 is connected with the motor mounting plate 1 through a bolt, the second lower support rod 302 is detachably connected with the main connecting plate 6, the second upper support rod 301 is detachable from the motor mounting plate 1, and the end of the second lower support rod 302 is provided with a through hole for the bolt to pass through. The end of the first auxiliary support 704 is connected to the first connecting plate 703 through a bolt, the first auxiliary support 704 has a through hole for the bolt to pass through, the first auxiliary support 704 is detachably connected to the first connecting plate 703, and the first auxiliary support 7 is detachably connected to the fourth main support 5. In step S1, after the second main support 3 and the first auxiliary support member 7 are detached, one side of the main support member is opened, so that the operation space is large, and the range extender can be easily attached and detached.

As shown in fig. 4 to 9, the two parallel first controller mounting plates 9 are disposed, the two first controller mounting plates 9 are matched to provide a supporting function for the first controller simulation member, and in step S3, the first controller simulation member is mounted on the two first controller mounting plates 9 through bolts, and the bolts are connected to facilitate the mounting and dismounting of the first controller simulation member.

As shown in fig. 4, 5 and 9, the second controller simulation piece is mounted on the second controller mounting plate 10 through bolts, and the second controller mounting plate 10 is directly mounted on the test fixture, and the bolts are connected to facilitate the mounting and dismounting of the second controller simulation piece. The length direction of second controller mounting panel 10 is parallel with the length direction of first controller mounting panel 9, and second controller mounting panel 10 and first controller mounting panel 9 are located the same straight line that parallels with first direction, and second controller mounting panel 10 and first controller mounting panel 9 are located same height, and second controller mounting panel 10 sets up a plurality ofly, and all second controller mounting panels 10 cooperate, provide supporting role to second controller simulation piece.

The structure and principles of the vibration table are well known to those skilled in the art and will not be described in detail herein. The vibration table is used for applying an excitation force to the hybrid power device simulation system, the test tool is installed on the vibration table, the vibration table is electrically connected with the vibration table control system, the vibration table is controlled by the vibration table control system, and the vibration table control system is used for inputting a vibration spectrum and collecting and outputting excitation response.

As shown in fig. 1 to 3, the test fixture includes a bottom plate, a vertical plate disposed on the bottom plate and used for being connected to the integrated mounting device, a top plate disposed on the vertical plate, and a plurality of reinforcing ribs connected to the bottom plate and the vertical plate. The bottom plate is installed on the shaking table, and the bottom plate is fixedly connected with the moving coil and the static coil of the shaking table. The riser sets up in bottom plate and riser and extends towards the bottom plate top, the lower extreme and the bottom plate fixed connection of riser, the upper end fixed connection of roof and riser, the roof is located the top of riser, the riser is located the intermediate position department of bottom plate. The integrated installation device is installed on the vertical plate and the top plate, the bottom plate is located below the integrated installation device, the main supporting part is connected with the vertical plate of the test tool through bolts, and the main supporting part is detachably connected with the vertical plate, namely the first upper supporting rod 201, the second upper supporting rod 301, the third upper supporting rod 401, the fourth upper supporting rod 501 and the central connecting rod 22 are detachably connected with the vertical plate through bolts. First controller mounting panel 9 is connected through the roof of bolt with experimental frock, forms detachable the connection between first controller mounting panel 9 and the roof. The second controller mounting panel 10 is directly installed on the top plate of the test tool, the second controller mounting panel 10 is connected with the top plate of the test tool through bolts, detachable connection is formed between the second controller mounting panel 10 and the top plate, and correspondingly, mounting holes for inserting the bolts are formed in the vertical plate and the top plate.

As shown in fig. 1 to 3, the reinforcing ribs are arranged in a plurality, the reinforcing ribs are arranged vertically, each reinforcing rib is fixedly connected with the vertical plate and the bottom plate, part of the reinforcing ribs are arranged between the bottom plate and the top plate, the part of the reinforcing ribs are fixedly connected with the top plate, the bottom plate and the vertical plate, the strength of the test tool is improved due to the arrangement of the reinforcing ribs, and the vibration test can be normally carried out. The reinforcing ribs are welded with the vertical plate, the top plate and the bottom plate, the vertical plate is also welded with the top plate and the bottom plate, and the integral rigidity of the test tool is ensured so as to ensure the transmission of vibration excitation.

As shown in fig. 1 to 3, lifting lugs are further arranged on the bottom plate and used for being connected with lifting equipment, the bottom plate is a rectangular flat plate, the number of the lifting lugs is four, each lifting lug is arranged at one right-angle corner of the bottom plate, and the lifting equipment is used for lifting a test tool. The bottom plate is made of a carbon steel plate, the thickness of the bottom plate is 50mm, the vertical plate is made of a carbon steel plate, the thickness of the vertical plate is 20mm, and the reinforcing ribs are also made of the carbon steel plate.

In the above step S1, the main adaptor plate 16 of the main support member is first connected to the third portion of the range extender simulator by bolts, the second adaptor plate 802 and the third connecting plate 805 are then connected to the second portion of the range extender simulator by bolts, the first connecting plate 703 is then connected to the first portion of the range extender simulator by bolts, the bracket mounting plate 701 of the first auxiliary support member 7 is then connected to the fourth main bracket 5 by the clip 705 and the bolts, the second main bracket 3 is connected to the motor mounting plate 1 by bolts, and the first auxiliary bracket 704 is connected to the first connecting plate 703 by bolts, thereby completing the installation of the range extender simulator.

In the above step S1, before the range extender dummy is mounted, the first auxiliary bracket 704 is separated from the first connection plate 703, the first auxiliary support member 7 is separated from the fourth main bracket 5, the first auxiliary bracket 704 and the second main bracket 3 are integrated, and one side of the main support member is open, so that the range extender dummy can be conveniently placed inside the main support member.

In the above step S2, the first main support 2, the third main support 4 and the fourth main support 5 are connected to the motor mounting plate 1 by bolts, and then the driving motor simulation member is mounted on the motor mounting plate 1 by bolts, completing the mounting of the driving motor simulation member.

In the above step S3, the first controller mounting plate 9 is connected to the test fixture by the bolts, and then the first controller simulation is mounted on the first controller mounting plate 9 by the bolts, thereby completing the mounting of the first controller simulation.

In step S4, the second controller mounting plate 10 is connected to the test fixture by bolts, and then the second controller simulation is mounted on the second controller mounting plate 10 by bolts, thereby completing the mounting of the second controller simulation.

In step S6, after the test fixture is mounted, the vibration table is started, and the vibration table applies an exciting force to the hybrid device simulation system to perform a vibration test on the hybrid device simulation system, so that a feasibility test can be provided for vibration analysis of the hybrid device in the design of the hybrid aircraft.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. The vibration test method of the hybrid power device adopts a vibration test system which comprises a vibration table and is characterized in that the vibration test system also comprises a test tool arranged on the vibration table and an integrated installation device which is arranged on the test tool and used for installing the hybrid power device simulation system, the hybrid power device simulation system comprises a range extender simulation piece, a driving motor simulation piece, a first controller simulation piece and a second controller simulation piece, and the integrated installation device comprises a range extender supporting device, a motor installation plate, a first controller installation plate and a second controller installation plate; the second controller mounting plate and the first controller mounting plate are positioned on the same straight line parallel to the first direction, and the first direction is vertical to the axis of the output shaft of the driving motor simulation piece;

s5, mounting the test tool on a vibration table;

s6, carrying out a vibration test;

in step S1, the range extender support device is connected to three portions of the range extender simulator, the range extender support device includes a first auxiliary support member connected to a first portion of the range extender simulator, a second auxiliary support member connected to a second portion of the range extender simulator, and a main support member connected to a third portion of the range extender simulator, and the first auxiliary support member and the second auxiliary support member are connected to the main support member;

the main support part comprises a first main support, a second main support, a third main support, a fourth main support and a main connecting plate connected with the first main support, the second main support, the third main support and the fourth main support, wherein the first main support and the second main support are oppositely arranged, the third main support and the fourth main support are oppositely arranged, the third main support is positioned below the first main support, and the fourth main support is positioned below the second main support; in the step S2, the first, second, third and fourth main brackets are coupled to the motor mounting plate;

2. The vibration test method of a hybrid power unit according to claim 1, wherein the length of the first lower support rod is smaller than the length of the second lower support rod, the first lower support rod and the second lower support rod are circular arc rod-shaped members, and the first upper support rod and the second upper support rod are arranged in a V-shape.

3. The vibration test method of a hybrid power unit according to claim 1, wherein the third main bracket includes a third upper support bar connected to the motor mounting plate and a third lower support bar connected to the third upper support bar and extending outward of the third upper support bar, the fourth main bracket includes a fourth upper support bar connected to the motor mounting plate and a fourth lower support bar connected to the fourth upper support bar and extending outward of the fourth upper support bar, the main connection plate is located between and connected to the third lower support bar and the fourth lower support bar, the third lower support bar is located below the first lower support bar, and the fourth lower support bar is located below the second lower support bar.

4. The vibration test method of a hybrid power device according to claim 3, wherein the length of the third lower support rod is smaller than that of the fourth lower support rod, the third lower support rod and the fourth lower support rod are of circular arc rod-shaped structures, and the third upper support rod and the fourth upper support rod are arranged in a V shape.

5. The vibration test method of a hybrid power unit according to claim 1, wherein the main support member further includes a main adapter plate for connecting to the third portion of the range extender simulator, and a shock pad provided on the main connection plate, the main adapter plate is located on one side of the main connection plate and is parallel to the main connection plate, the shock pad is fixedly connected to the main adapter plate, and the shock pad is sandwiched between the main connection plate and the main adapter plate.

6. The vibration test method of a hybrid device according to any one of claims 1 to 5, wherein the first auxiliary support member includes a bracket mounting plate connected to the fourth main bracket, a sprag bracket connected to the bracket mounting plate, a first connecting plate connected to the sprag bracket, and a first adapter plate for connection to the first portion of the range extender dummy, and a shock-absorbing pad sandwiched between the first connecting plate and the first adapter plate, the first connecting plate being located between the third main bracket and the fourth main bracket.

7. The vibration test method of a hybrid power unit according to claim 6, wherein the first auxiliary support member further includes a first auxiliary support connected to the first connecting plate and the second main support, the first auxiliary support being located above the sprag support; in the step S1, the bracket mounting plate is connected to the fourth main bracket through a clamp, the clamp is sleeved on the fourth main bracket, and the clamp is connected to the bracket mounting plate through a fastener.

8. The vibration test method of a hybrid device according to any one of claims 1 to 5, wherein the main support member further includes a rear end reinforcing structure connected to the second auxiliary support member, the first controller mounting plate, the first main support, the third main support, and the fourth main support, the rear end reinforcing structure including a center connecting rod, a first rear strut, a second rear strut, a third rear strut, a fourth rear strut, and a fifth rear strut, one end of the second rear strut being fixedly connected to the center connecting rod, one end of the fifth rear strut being fixedly connected to the center connecting rod and the fifth rear strut extending upward of the center connecting rod, one end of the third rear strut being fixedly connected to the center connecting rod and the third rear strut being located below the second rear strut, one end of the fourth rear strut being fixedly connected to the center connecting rod, the third and fourth rear struts extend obliquely towards the lower side of the central connecting rod.

9. The vibration test method of a hybrid power unit according to any one of claims 1 to 5, wherein the second auxiliary support member includes a second auxiliary bracket coupled to the main support member, a second connection plate coupled to the second auxiliary bracket, a second adapter plate for coupling to the second portion of the range extender simulator, and a cushion disposed on the second connection plate, the cushion being sandwiched between the second connection plate and the second adapter plate.

10. The vibration test method of the hybrid power device according to any one of claims 1 to 5, wherein the test tool comprises a base plate, a vertical plate arranged on the base plate and used for being connected with the integrated mounting device, a top plate arranged on the vertical plate, and a plurality of reinforcing ribs connected with the base plate and the vertical plate.