WO2022007399A1

WO2022007399A1 - Dynamometer platform for electric motor of new energy vehicle

Info

Publication number: WO2022007399A1
Application number: PCT/CN2021/075528
Authority: WO
Inventors: 周亚宏; 周方
Original assignee: 南通宏大机电制造有限公司
Priority date: 2020-07-06
Filing date: 2021-02-05
Publication date: 2022-01-13
Also published as: CN111650515A

Abstract

The present invention relates to a dynamometer platform for an electric motor of a new energy vehicle, the dynamometer platform comprising a platform frame, a clamping bolt and a connecting end plate, wherein a sliding slot rod is provided inside the platform frame; the sliding slot rod is internally provided with a through hole; the two sides of the sliding slot rod are respectively provided with a reinforcing frame; a limiting plate is provided at the top end of the reinforcing frame; a protective cover frame is provided at one side of the top end of the platform frame; an electric motor is provided inside the protective cover frame; a mounting frame is provided at the bottom end of the electric motor; a main shaft frame is provided at one side of the electric motor; and a test protective frame is provided at one side of the main shaft frame. The present invention has the beneficial effect in that the clamping bolt can be clamped between the connecting end plate and a rubber sleeve in a threaded manner, such that a wire of a dynamometer apparatus for an electric motor of a new energy vehicle is effectively placed between the connecting end plate and the rubber sleeve so as to clamp the clamping bolt between the rubber sleeve provided with the wire of apparatus to wrap the rubber sleeve around the dynamometer apparatus for an electric motor of a new energy vehicle to achieve the effect of preventing breaking and damage at connections of the apparatus.

Description

New energy vehicle motor dynamometer platform

technical field

The invention relates to the technical field of a new energy vehicle motor dynamometer platform, in particular to a new energy vehicle motor dynamometer platform.

Background technique

The new energy vehicle motor dynamometer platform mainly tests the motor system, while the new energy vehicle motor test system tests the performance of the motor controller and motor according to the use requirements of the vehicle motor, provides accurate and reliable test charts and data, and tests the electric drive. The dynamic performance, efficiency characteristics and safety protection function of the system are used to evaluate the product performance of the electric drive system; and by simulating the actual working conditions of the vehicle, the research on the control strategy of the vehicle motor is carried out, and the motor control of the full-function electric vehicle converter is carried out. performance test, but the new energy vehicle motor dynamometer platform has many protection defects.

The new energy vehicle motor dynamometer platform on the market is difficult to reinforce the equipment of the detection platform. During the detection process, the vibration amplitude is too large, the noise coefficient is relatively high, the internal maintenance is inconvenient, and the equipment connection is broken and damaged seriously.

technical solutions

The purpose of the present invention is to provide a new energy vehicle motor dynamometer platform, in order to solve the problem of the new energy vehicle motor dynamometer platform on the market proposed in the above background technology, it is difficult to reinforce the equipment of the detection platform, and the vibration amplitude during the detection process is too large, The noise coefficient is relatively high, the internal maintenance is inconvenient, and the equipment connection is broken and damaged seriously.

In order to achieve the above purpose, the present invention provides the following technical solutions: a new energy vehicle motor dynamometer platform, including a platform frame, a latch and an end plate, the platform frame is provided with a chute rod, and the interior of the chute rod is provided with There are through holes, reinforcement frames are arranged on both sides of the chute rod, and a limit plate is arranged at the top of the reinforcement frame, a protective cover frame is arranged on one side of the top end of the platform frame, and a motor is arranged inside the protective cover frame , the bottom end of the motor is provided with a mounting frame, one side of the motor is provided with a main shaft frame, and one side of the main shaft frame is provided with a test guard frame, the top of the test guard frame is provided with an additional frame, and the test guard frame is provided with a test guard frame on one side. One side of the protective rack is provided with an equipment rack, a return spring is arranged inside the adding rack, and a card cover is arranged at the top of the return spring, the middle part of the test protective rack is connected to the end plate, and the interior of the end plate is provided with a A rubber sleeve is provided with a latch at the top of the rubber sleeve.

Preferably, the platform frame and the chute rod are fixedly connected, and the chute rod is a hollow structure.

Preferably, the chute rod and the reinforcement frame are attached to each other, and the chute rod forms a sliding structure through the reinforcement frame and the limit plate.

Preferably, the mounting frame and the motor are connected by a screw thread, and the motor and the main shaft frame are connected movably.

Preferably, there is a vertical structure between the add-on rack and the test protection rack, and two groups of add-on racks are provided.

Preferably, the protective cover frame includes a fixed block and a sliding frame, the inner wall of the protective cover frame is distributed with fixed blocks, and the bottom end of the fixed block is provided with a sliding frame.

Preferably, the mounting frame includes a guide bolt column, a positioning bolt and a flange plate, the inner bottom end of the mounting frame is provided with a flange plate, and both sides of the top end of the flange plate are provided with positioning bolts, the positioning bolts There are guide pins on both sides of the top end.

Preferably, the addition frame and the return spring are fixedly connected, and the addition frame forms an elastic structure through the return spring and the card cover.

Preferably, the clamping bolt and the end plate are connected by screw threads, and the clamping bolt forms a buckle structure through the end plate and the rubber sleeve.

beneficial effect

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The chute rod of the present invention forms a sliding structure through the reinforcement frame and the limit plate. When the reinforcement frame holes whose shapes and structures match are aligned between the through holes between the chute rods, the sliding reinforcement frame can be threaded. It is reinforced on the through hole between the chute rods, and the limit plate is reinforced between the test guards, which is conducive to the local reinforcement of the new energy vehicle motor dynamometer platform and reduces the working jitter of the new energy vehicle motor dynamometer platform.

2. The inner wall of the protective cover frame of the present invention is distributed with a fixed block, and the bottom end of the fixed block is provided with a sliding frame, so that the sliding frame slides between the platform frames, and the protective cover frame is effectively placed outside the motor, so that the The uneven fixing blocks are distributed on the inner wall of the protective cover frame. When the starting motor generates noise, the noise can be broadcast along the surface of the uneven fixing block, which is beneficial to reduce the working noise coefficient of the new energy vehicle motor dynamometer platform.

3. The inner bottom end of the mounting frame of the present invention is provided with a flange plate, and both sides of the top of the flange plate are provided with positioning bolts, and both sides of the top of the positioning bolt are provided with guide bolt posts. The flange plate is installed and reinforced, and at the same time, the guide bolts are installed between the installation frames along the threads, which is conducive to the reinforcement of the motors between the installation frames, and the equipment of the detection platform can be reinforced to reduce the vibration amplitude during the detection process.

4. The add-on frame of the present invention forms an elastic structure through the return spring and the card cover. The user can remove the movably connected card cover, so that the maintenance solution can flow slowly along the surface of the elastic return spring. The vibration of the power platform can drive the return spring to vibrate elastically, so that the maintenance solution can be shaken into the new energy vehicle motor dynamometer platform equipment.

5. The clip of the present invention forms a clip structure by connecting the end plate and the rubber sleeve, which can fasten the screw thread of the clip between the terminal plate and the rubber sleeve, and effectively place the new energy vehicle motor dynamometer equipment line at the terminal. Between the plate and the rubber sleeve, the clip can be buckled between the rubber sleeve with the equipment line, and the rubber sleeve can be wrapped around the new energy vehicle motor dynamometer equipment line, which can prevent breakage and damage to the equipment connection. .

Description of drawings

Fig. 1 is the front view structure schematic diagram of the electric motor dynamometer platform of the new energy vehicle of the present invention;

2 is a schematic diagram of the internal structure of the protective cover frame of the new energy vehicle motor dynamometer platform of the present invention;

3 is a schematic diagram of the internal structure of a new energy vehicle motor dynamometer platform mounting frame of the present invention;

Fig. 4 is the enlarged structural schematic diagram of place A in Fig. 1 of the new energy vehicle motor dynamometer platform of the present invention;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 1 of the new energy vehicle motor dynamometer platform of the present invention.

In the figure: 1. Platform frame; 2. Chute rod; 3. Through hole; 4. Reinforcement frame; 5. Limit plate; 6. Mounting frame; 7. Protective cover frame; 8. Motor; 9. Spindle frame; 10. Add-on frame; 11. Test protection frame; 12. Equipment frame; 13. Fixed block; 14. Sliding frame; 15. Guide bolt column; 16. Positioning bolt; 17. Flange plate; 18. Card cover; 19. Return spring; 20, clip; 21, end plate; 22, rubber sleeve.

Embodiments of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not Indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

1-5, the present invention provides a technical solution: a new energy vehicle motor dynamometer platform, including a platform frame 1, a chute rod 2, a through hole 3, a reinforcement frame 4, a limit plate 5, a mounting frame 6, Shield frame 7, motor 8, spindle frame 9, add-on frame 10, test guard frame 11, equipment frame 12, fixing block 13, sliding frame 14, guide bolt column 15, positioning bolt 16, flange plate 17, card cover 18 , return spring 19, latch 20, end plate 21 and rubber sleeve 22, the inside of the platform frame 1 is provided with a chute rod 2, and the interior of the chute rod 2 is provided with a through hole 3, on both sides of the chute rod 2 A reinforcement frame 4 is provided, and a limit plate 5 is provided at the top of the reinforcement frame 4, a protective cover frame 7 is provided on the top side of the platform frame 1, and a motor 8 is provided inside the protective cover frame 7, and the bottom end of the motor 8 is provided with There is a mounting frame 6, one side of the motor 8 is provided with a main shaft frame 9, and one side of the main shaft frame 9 is provided with a test guard frame 11, the top of the test guard frame 11 is provided with an additional frame 10, and one side of the test guard frame 11 is provided with There is an equipment rack 12, a return spring 19 is arranged inside the add-on rack 10, and a card cover 18 is arranged at the top of the return spring 19, the middle of the test guard 11 is connected to the end plate 21, and the inside of the end plate 21 is provided with a rubber sleeve 22. The top end of the rubber sleeve 22 is provided with a latch 20;

The platform frame 1 and the chute rod 2 are fixedly connected, and the chute rod 2 is a hollow structure. The hollow structure of the chute rod 2 is fixedly connected between the platform frames 1, and the through hole 3 can be opened in the chute rod. 2, so that the holes of the reinforcement frame 4 with the same shape and structure are aligned between the through holes 3 between the chute rods 2, which is convenient for later reinforcement and installation;

The chute rod 2 and the reinforcement frame 4 are attached to each other, and the chute rod 2 forms a sliding structure through the reinforcement frame 4 and the limit plate 5. Between the frames 4, the reinforcement frame 4 can be slid along the chute rod 2 and the platform frame 1. When the holes of the reinforcement frame 4 with the same shape and structure are aligned between the through holes 3 between the chute rods 2 , the sliding reinforcement frame 4 can be threaded on the through hole 3 between the chute rods 2, and the limit plate 5 can be reinforced between the test protection frames 11, which is conducive to the localization of the new energy vehicle motor dynamometer platform. Reinforcement to reduce the vibration amplitude of the new energy vehicle motor dynamometer platform;

The mounting frame 6 and the motor 8 are threadedly connected, and the motor 8 and the main shaft frame 9 are movably connected, and the motor 8 is screwed between the installation frames 6, so that the main shaft frame 9 is movably placed on the motor 8 and the test guard 11, which is conducive to the work adjustment between the test guards 11.

There is a vertical structure between the addition rack 10 and the test protection rack 11 , and there are two groups of the addition racks 10 . The two groups of addition racks 10 are arranged vertically on the top of the test protection rack 11 , and the internal maintenance lubricant can be added to the addition rack 11 . Between racks 10;

The protective cover frame 7 includes a fixed block 13 and a sliding frame 14. The inner wall of the protective cover frame 7 is distributed with the fixed block 13, and the bottom end of the fixed block 13 is provided with a sliding frame 14. When the protective cover frame 7 is movably placed between the platform frame 1 At the same time, the sliding frame 14 in the shield frame 7 can be placed inside the platform frame 1, so that the sliding frame 14 slides along the platform frames 1, and the shield frame 7 is effectively placed outside the motor 8. The uneven fixing blocks 13 are distributed on the inner wall of the protective cover frame 7. When the starter motor 8 generates noise, the noise can be broadcast along the surface of the uneven fixing blocks 13, which is beneficial to reduce the working noise of the new energy vehicle motor dynamometer platform. coefficient;

The mounting frame 6 includes a guide bolt column 15, a positioning bolt 16 and a flange plate 17. The inner bottom end of the mounting frame 6 is provided with a flange plate 17, and the top and both sides of the flange plate 17 are provided with positioning bolts 16. The positioning bolts 16 There are guide bolt columns 15 on both sides of the top of the motor 8. By placing the motor 8 between the mounting frames 6, the flange plate 17 between the mounting frames 6 can be supported on the bottom end of the motor 8, and the user can manually twist the positioning. The bolts 16 install and reinforce the flange plate 17, and at the same time, the guide bolts 15 are installed between the installation frames 6 along the threads, which is beneficial to reinforce the motor 8 between the installation frames 6 and the equipment of the detection platform. , reduce the jitter amplitude during the detection process;

The addition frame 10 and the return spring 19 are fixedly connected, and the addition frame 10 forms an elastic structure through the return spring 19 and the card cover 18. When the two sets of addition frames 10 are vertically distributed and arranged on the top of the test protection frame 11, the internal When the maintenance lubricant is added between the adding racks 10, the return spring 19 can be fixedly connected to the inside of the adding rack 10, and the user can remove the flexibly connected card cover 18, so that the maintenance solution can follow the elastic return spring 19. The surface flows slowly, and with the vibration of the new energy vehicle motor dynamometer platform, the return spring 19 can be driven to elastically shake, and the maintenance solution can be shaken into the new energy vehicle motor dynamometer platform equipment;

The clamping bolt 20 and the end plate 21 are threadedly connected, and the clamping bolt 20 forms a buckle structure through the end plate 21 and the rubber sleeve 22. By installing the end plate 21 in the middle of the test protection frame 11, the rubber sleeve is 22 are distributed between the end plates 21, and the bolt 20 can be threaded between the end plate 21 and the rubber sleeve 22, effectively placing the new energy vehicle motor dynamometer line between the end plate 21 and the rubber sleeve 22. Between the sleeves 22, the clip 20 can be buckled between the rubber sleeves 22 with the equipment line, and the rubber sleeve 22 can be wrapped around the new energy vehicle motor dynamometer equipment line, which can prevent breakage and damage to the equipment connection. Effect.

The working principle of this embodiment: the easy-to-adjust laser welding device for automatic robot assembly can make the flange plate 17 between the mounting frames 6 be supported on the bottom end of the motor 8 by placing the motor 8 between the mounting frames 6 , the user can manually screw the positioning bolt 16 to install and strengthen the flange plate 17, and at the same time screw the guide bolt column 15 to install between the mounting frames 6 along the thread, which is conducive to strengthening the motor 8 between the mounting frames 6, The equipment of the detection platform can be reinforced to reduce the vibration amplitude during the detection process, and the end plate 21 can be installed in the middle of the test protection frame 11, so that the rubber sleeves 22 are distributed between the end plates 21, and the bolts 20 can be threaded. It is buckled between the terminal plate 21 and the rubber sleeve 22, effectively placing the new energy vehicle motor dynamometer equipment line between the terminal plate 21 and the rubber sleeve 22, and the clip 20 can be buckled with the equipment line. Between the rubber sleeves 22, the rubber sleeves 22 are wrapped around the new energy vehicle motor dynamometer equipment line, which can achieve the effect of preventing breakage and damage to the equipment connection. At the same time, when the protective cover frame 7 is movably placed between the platform frames 1 , the sliding frame 14 in the shield frame 7 can be placed inside the platform frame 1, so that the sliding frame 14 slides between the platform frames 1, and the shield frame 7 is effectively placed outside the motor 8, so that the The uneven fixing blocks 13 are distributed on the inner wall of the protective cover frame 7. When the starter motor 8 generates noise, the noise can be broadcast along the surface of the uneven fixing blocks 13, which is beneficial to reduce the working noise coefficient of the new energy vehicle motor dynamometer platform. , when the two sets of adding racks 10 are vertically distributed on the top of the test protection rack 11, and the internal maintenance lubricating fluid can be added between the adding racks 10, the return spring 19 can be fixedly connected to the inside of the adding rack 10, and the user can The flexibly connected card cover 18 can be removed, so that the maintenance solution can flow slowly along the surface of the elastic return spring 19. With the vibration of the new energy vehicle motor dynamometer platform, the return spring 19 can be driven to vibrate elastically, which can make the maintenance solution flow slowly. The jitter enters the new energy vehicle motor dynamometer platform equipment. Finally, the motor 8 is threaded between the mounting frames 6, so that the main shaft frame 9 is movably placed between the motor 8 and the test guard frame 11, which is conducive to the test guard frame 11. Carry out the work adjustment, arrange the two sets of adding racks 10 in a vertical distribution on the top of the test protection rack 11, and add internal maintenance lubricant between the adding racks 10. Between the rod 2 and the reinforcement frame 4, the reinforcement frame 4 can be slid along the chute rod 2 and the platform frame 1. When the shape and structure of the reinforcement frame 4 is matched, the holes of the reinforcement frame 4 are aligned with the through holes between the chute rods 2. 3, the sliding reinforcement frame 4 can be threadedly reinforced on the through hole 3 between the chute rods 2, and the limit plate 5 can be reinforced between the test protection frames 11, which is conducive to the test of the new energy vehicle motor. The power platform is partially reinforced to reduce the vibration amplitude of the new energy vehicle motor dynamometer platform. The hollow structure of the chute rod 2 is fixedly connected between the platform frames 1, and the through hole 3 can be opened between the chute rods 2, so that the shape structure phase The matched reinforcement frame 4 holes are aligned between the through holes 3 between the chute rods 2, which is convenient for later reinforcement and installation.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A new energy vehicle motor dynamometer platform, comprising a platform frame (1), a latch (20) and an end plate (21), characterized in that: the platform frame (1) is provided with a chute rod (2) inside, And the inside of the chute rod (2) is provided with a through hole (3), the two sides of the chute rod (2) are provided with reinforcement frames (4), and the top of the reinforcement frame (4) is provided with a limit plate (5) ), a protective cover frame (7) is provided on the top side of the platform frame (1), and a motor (8) is provided inside the protective cover frame (7), and the bottom end of the motor (8) is provided with a mounting A frame (6), one side of the motor (8) is provided with a main shaft frame (9), and one side of the main shaft frame (9) is provided with a test guard frame (11), the top of the test guard frame (11) An addition rack (10) is provided, an equipment rack (12) is provided on one side of the test protection rack (11), a return spring (19) is provided inside the addition rack (10), and the return spring (19) The top end of the test guard is provided with a card cover (18), the middle part of the test guard (11) is connected to the end plate (21), and the inside of the end plate (21) is provided with a rubber sleeve (22), the rubber sleeve (22) ) is provided with a latch (20).
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the platform frame (1) and the chute rod (2) are fixedly connected, and the chute rod (2) is a hollow structure.
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the chute rod (2) and the reinforcement frame (4) are attached to each other, and the chute rod (2) passes through the reinforcement frame ( 4) It forms a sliding structure with the limit plate (5).
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the mounting frame (6) and the motor (8) are connected by a screw thread, and the motor (8) and the main shaft frame (9) are connected by a thread. for active connections.
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: a vertical structure is formed between the add-on rack (10) and the test guard (11), and two sets of add-on racks (10) are provided.
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the protective cover frame (7) comprises a fixed block (13) and a sliding frame (14), and the inner wall of the protective cover frame (7) A fixed block (13) is distributed, and a sliding frame (14) is arranged at the bottom end of the fixed block (13).
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the mounting frame (6) comprises a guide bolt column (15), a positioning bolt (16) and a flange plate (17), the mounting The inner bottom end of the frame (6) is provided with a flange plate (17), and positioning bolts (16) are provided on both sides of the top end of the flange plate (17), and guide pins (16) are provided on both sides of the top end of the positioning bolt (16). Stud (15).
The new energy vehicle motor dynamometer platform according to claim 1, characterized in that: the addition frame (10) and the return spring (19) are fixedly connected, and the addition frame (10) passes through the return spring (19) It forms an elastic structure with the card cover (18).
The motor dynamometer platform for new energy vehicles according to claim 1, characterized in that: the latch (20) and the end plate (21) are connected by a screw thread, and the latch (20) passes through the end plate ( 21) and the rubber sleeve (22) form a buckle structure.