Shafting test bench and power assembly test system

Abstract

The invention relates to the technical field of rack test, in particular to a shafting test rack and a power assembly test system. The shafting test bench comprises a mounting frame, a first motor and a second motor. Wherein the mounting frame is internally provided with a coupling, the coupling is used for being connected with a tested piece, and two sides of the mounting frame are respectively provided with a first supporting plate and a second supporting plate used for bearing the tested piece; the first motor is arranged on the first supporting plate, and the first motor is connected with the coupler; the second motor is arranged on the second supporting plate, and the second motor is used for being connected with the side, away from the coupler, of the tested piece. The test bench provided by the invention adopts a double-motor separate control mode, and is high in reliability. And the shaft system is connected by adopting a coupler, so that the problem of non-coaxiality in shaft alignment is avoided, further, different single shaft system tests of a new energy motor shaft, a gearbox input shaft and the like can be compatible, and the detection range is expanded.

Description

Technical Field

[0001] The present invention relates to the technical field of bench testing, and in particular to a shaft system test bench and a powertrain test system. Background Art

[0002] Existing powertrain bench testing technologies include motor control, torque control, and the feedback, recording, and processing of speed, torque, and temperature signals. They also include lubrication, flow, and torque testing methods for powertrain shafting.

[0003] In the related art, when the shaft system test bench performs single shaft system tests on different test pieces, two drive motors are required to simulate the input of the engine and generator, and the shafts of the motors on both sides need to be aligned. This will result in the need to customize complex tooling when performing single shaft system tests, which will significantly increase costs. Summary of the Invention

[0004] Regarding the related technology, when the shaft system test bench performs single shaft system tests on different test pieces, it is difficult to achieve shaft alignment because two drive motors are needed to simulate the motors on both sides, and thus complex tooling needs to be customized, which greatly increases the cost.

[0005] In a first aspect, an embodiment of the present application provides a shaft system test bench, which includes: a mounting frame, a first motor and a second motor; wherein, A mounting frame having a coupling disposed therein for connecting to the piece under test, and a first support plate and a second support plate for supporting the piece under test disposed on both sides of the mounting frame; a first motor, which is disposed on the first support plate, and the first motor is connected to the coupling; The second motor is provided on the second supporting plate, and is used for connecting to a side of the measured object away from the coupling.

[0006] In combination with the first aspect, in one embodiment, it further includes: a mobile base on which the mounting frame is mounted.

[0007] In conjunction with the first aspect, in one embodiment, the mobile base includes: a base plate on which the mounting frame is mounted; A plurality of movable rollers are arranged on the bottom surface of the bottom plate.

[0008] In combination with the first aspect, in one embodiment, the movable roller includes a universal roller.

[0009] In combination with the first aspect, in one embodiment, the mounting frame is hollowed out.

[0010] In combination with the first aspect, in one embodiment, a protective cover is provided on the mounting frame.

[0011] In combination with the first aspect, in one embodiment, a height adjustment portion is provided on the first support plate and the second support plate, and the height adjustment portion supports the first motor or the second motor, and the height adjustment portion is used to adjust the height position of the first motor and / or the second motor.

[0012] In combination with the first aspect, in one embodiment, the height adjustment part includes: a support frame, which is mounted on the first support plate or the second support plate, and the support frame is provided with a waist-shaped adjustment hole, and the support frame is connected to the first motor or the second motor through the waist-shaped adjustment hole.

[0013] In combination with the first aspect, in one embodiment, a transparent protective cover is provided on the second supporting plate, and a cavity for accommodating the device under test is provided in the transparent protective cover.

[0014] In a second aspect, an embodiment of the present application provides a powertrain test system, comprising: a shaft system test bench as described in any one of the above items.

[0015] The beneficial effects of the technical solutions provided in the embodiments of the present application include: The test bench in this application uses a dual-motor separate control mode, which is highly reliable. The shaft system is connected by a coupling, avoiding the misalignment problem that exists in shaft alignment. Furthermore, it is compatible with different single-axis system tests, such as new energy motor shafts and gearbox input shafts, expanding the detection range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 This is a front view of a shafting test bench in one embodiment of the present application; Figure 2 This is a top view of a shafting test bench in one embodiment of the present application.

[0018] In the figure: 1. Mounting frame; 2. Coupling; 3. First support plate; 4. Second support plate; 41. Transparent protective cover; 5. Measured object; 6. First motor; 7. Second motor; 8. Moving base; 81. Bottom plate; 82. Movable roller; 9. Height adjustment unit. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] Regarding the related technology, when the shaft system test bench performs single shaft system tests on different test pieces, it is difficult to achieve shaft alignment because two drive motors are needed to simulate the motors on both sides, and thus complex tooling needs to be customized, which greatly increases the cost.

[0021] First, as Figure 1 and Figure 2 As shown, the present application provides a shaft system test bench, which includes: a mounting frame 1, a first motor 6 and a second motor 7; wherein, An installation frame 1 is provided with a coupling 2 therein, and the coupling 2 is used to connect to the test piece 5. A first support plate 3 and a second support plate 4 for supporting the test piece 5 are respectively provided on both sides of the installation frame 1; a first motor 6 is provided on the first support plate 3, and the first motor 6 is connected to the coupling 2; a second motor 7 is provided on the second support plate 4, and the second motor 7 is used to connect to the side of the test piece 5 away from the coupling 2.

[0022] As can be understood, the test bench in this application uses a dual-motor separate control mode, which is highly reliable. Furthermore, the shaft system is connected by a coupling, avoiding the misalignment problem that exists in shaft alignment. Furthermore, it is compatible with testing of different single-axis systems, such as new energy motor shafts and gearbox input shafts, expanding the detection range.

[0023] In some preferred embodiments, the shafting test bench further includes: a mobile base 8 on which the mounting frame 1 is mounted.

[0024] Specifically, the mobile base 8 includes: a bottom plate 81 and a plurality of movable rollers 82; wherein, A bottom plate 81 is provided with the mounting frame 1 mounted thereon. A movable roller 82 is provided on the bottom surface of the bottom plate 81 .

[0025] It is worth noting that the shafting test bench can be flexibly driven to move as a whole by the movable base 8, which is convenient for operators to operate.

[0026] Preferably, in order to improve the flexibility of the movable base 8, the movable roller 82 includes a universal roller.

[0027] Furthermore, the installation frame 1 is hollowed out. Preferably, a protective cover is provided on the installation frame 1.

[0028] It is worth noting that the mounting frame 1 is hollowed out to facilitate observation of the spindle's operating status. A protective cover is provided at the hollow structure to protect personnel safety.

[0029] In some preferred embodiments, a height adjustment portion 9 is provided on the first support plate 3 and the second support plate 4 , and the height adjustment portion 9 supports the first motor 6 or the second motor 7 , and the height adjustment portion 9 is used to adjust the height position of the first motor 6 and / or the second motor 7 .

[0030] It is worth noting that, in order to adapt to different types of shafting test pieces 5 , both the first motor 6 and the second motor 7 are equipped with a device for height adjustment.

[0031] Specifically, the height adjustment part 9 includes: a support frame, which is mounted on the first support plate 3 or the second support plate 4, and the support frame is provided with a waist-shaped adjustment hole. The support frame is connected to the first motor 6 or the second motor 7 through the waist-shaped adjustment hole.

[0032] It is worth noting that the operator can adjust the first motor 6 or the second motor 7 through the waist-shaped adjustment hole to meet the requirements of different shaft system connections of the test piece 5.

[0033] In some optional implementations, a transparent protective cover 41 is provided on the second support plate 4 , and a cavity for accommodating the device under test 5 is provided in the transparent protective cover 41 .

[0034] It is worth noting that the transparent protective cover 41 is used for operators to observe the test status of the test piece 5 in real time.

[0035] Preferably, the transparent protective cover 41 is made of an acrylic plate. Furthermore, the thickness of the acrylic plate (5 mm), the pressure resistance level (such as 0.5 MPa) and the installation of a heating wire have an anti-fog function.

[0036] In a second aspect, the present application provides a powertrain test system, which includes: a shaft system test bench, which includes: a mounting frame 1, a first motor 6 and a second motor 7; wherein, An installation frame 1 is provided with a coupling 2 therein, and the coupling 2 is used to connect to the test piece 5. A first support plate 3 and a second support plate 4 for supporting the test piece 5 are respectively provided on both sides of the installation frame 1; a first motor 6 is provided on the first support plate 3, and the first motor 6 is connected to the coupling 2; a second motor 7 is provided on the second support plate 4, and the second motor 7 is used to connect to the side of the test piece 5 away from the coupling 2.

[0037] As can be understood, the test bench in this application uses a dual-motor separate control mode, which is highly reliable. Furthermore, the shaft system is connected by a coupling, avoiding the misalignment problem that exists in shaft alignment. Furthermore, it is compatible with testing of different single-axis systems, such as new energy motor shafts and gearbox input shafts, expanding the detection range.

[0038] In some preferred embodiments, the shafting test bench further includes: a mobile base 8 on which the mounting frame 1 is mounted.

[0039] Specifically, the mobile base 8 includes: a bottom plate 81 and a plurality of movable rollers 82; wherein, A bottom plate 81 is provided with the mounting frame 1 mounted thereon. A movable roller 82 is provided on the bottom surface of the bottom plate 81 .

[0040] It is worth noting that the shafting test bench can be flexibly driven to move as a whole by the movable base 8, which is convenient for operators to operate.

[0041] Preferably, in order to improve the flexibility of the movable base 8, the movable roller 82 includes a universal roller.

[0042] Furthermore, the installation frame 1 is hollowed out. Preferably, a protective cover is provided on the installation frame 1.

[0043] It is worth noting that the mounting frame 1 is hollowed out to facilitate observation of the spindle's operating status. A protective cover is provided at the hollow structure to protect personnel safety.

[0044] In some preferred embodiments, a height adjustment portion 9 is provided on the first support plate 3 and the second support plate 4 , and the height adjustment portion 9 supports the first motor 6 or the second motor 7 , and the height adjustment portion 9 is used to adjust the height position of the first motor 6 and / or the second motor 7 .

[0045] It is worth noting that, in order to adapt to different types of shafting test pieces 5 , both the first motor 6 and the second motor 7 are equipped with a device for height adjustment.

[0046] Specifically, the height adjustment part 9 includes: a support frame, which is mounted on the first support plate 3 or the second support plate 4, and the support frame is provided with a waist-shaped adjustment hole. The support frame is connected to the first motor 6 or the second motor 7 through the waist-shaped adjustment hole.

[0047] It is worth noting that the operator can adjust the first motor 6 or the second motor 7 through the waist-shaped adjustment hole to meet the requirements of different shaft system connections of the test piece 5.

[0048] In some optional implementations, a transparent protective cover 41 is provided on the second support plate 4 , and a cavity for accommodating the device under test 5 is provided in the transparent protective cover 41 .

[0049] It is worth noting that the transparent protective cover 41 is used for operators to observe the test status of the test piece 5 in real time.

[0050] Preferably, the transparent protective cover 41 is made of an acrylic plate. Furthermore, the thickness of the acrylic plate (5 mm), the pressure resistance level (such as 0.5 MPa) and the installation of a heating wire have an anti-fog function.

[0051] In summary, the test bench in this application uses a dual-motor separate control mode, which is highly reliable. Furthermore, the shaft system is connected by a coupling, which avoids the problem of misalignment in shaft alignment. Furthermore, it is compatible with different single-axis system tests, such as new energy motor shafts and gearbox input shafts, expanding the detection range.

[0052] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0053] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0054] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. A shafting test bench, characterized in that: include: A mounting frame (1) is provided with a coupling (2) therein, the coupling (2) being used to connect to a test piece (5), and a first support plate (3) and a second support plate (4) for supporting the test piece (5) are provided on both sides of the mounting frame (1); a first motor (6) disposed on the first support plate (3), the first motor (6) being connected to the coupling (2); A second motor (7) is provided on the second support plate (4), and the second motor (7) is used to be connected to a side of the measured object (5) away from the coupling (2).

2. The shafting test bench according to claim 1, characterized in that: Also includes: A mobile base (8) is provided on which the mounting frame (1) is mounted.

3. The shafting test bench according to claim 2, characterized in that: The mobile base (8) comprises: a bottom plate (81) on which the mounting frame (1) is mounted; A plurality of movable rollers (82) are arranged on the bottom surface of the bottom plate (81).

4. The shafting test bench according to claim 3, characterized in that: The movable roller (82) comprises a universal roller.

5. The shafting test bench according to claim 1, wherein: The installation frame (1) is hollowed out.

6. The shafting test bench according to claim 5, characterized in that: A protective cover is provided on the mounting frame (1).

7. The shafting test bench according to claim 1, wherein: The first support plate (3) and the second support plate (4) are both provided with a height adjustment portion (9), the height adjustment portion (9) supporting the first motor (6) or the second motor (7), and the height adjustment portion (9) being used to adjust the height position of the first motor (6) and / or the second motor (7).

8. The shafting test bench according to claim 7, characterized in that: The height adjustment portion (9) comprises: a support frame mounted on the first support plate (3) or the second support plate (4); a waist-shaped adjustment hole is provided on the support frame; and the support frame is connected to the first motor (6) or the second motor (7) via the waist-shaped adjustment hole.

9. The shafting test bench according to claim 1, wherein: A transparent protective cover (41) is provided on the second support plate (4), and a cavity for accommodating the measured object (5) is provided in the transparent protective cover (41).

10. A powertrain test system, characterized in that: include: A shafting test bench as claimed in any one of claims 1 to 9.

Images