Clamp for power assembly suspension test and power assembly suspension test device

Abstract

The utility model provides a clamp for a power assembly suspension test and a power assembly suspension test device, and relates to the field of power assembly suspension tests, and the clamp comprises a first fixing assembly which comprises a first fixing plate and a plurality of second fixing plates, two of the multiple second fixing plates are connected with the two ends of the first fixing plate correspondingly, the two second fixing plates are oppositely arranged, a mounting space is formed between the two second fixing plates, and the second fixing plates are used for being connected with a power assembly suspension; the second fixing assembly and the first fixing plate are oppositely arranged, and part of the second fixing assembly is used for being detachably connected with a power assembly suspension; at least one limiting space is formed among the first fixing plate, the second fixing plate and the second fixing assembly, the limiting space is used for limiting the power assembly suspension, and by applying the technical scheme of the utility model, the problem that in the prior art, when power assembly suspensions of different vehicle types are tested, a universal clamp is lacked is solved.

Description

Technical Field

[0001] The utility model relates to the field of powertrain suspension testing, in particular to a fixture used for powertrain suspension testing and a powertrain suspension testing device. Background Art

[0002] The main function of the powertrain suspension is to fix the powertrain of a commercial vehicle to the frame or body through the suspension device. As a major vibration source on a commercial vehicle, the powertrain transmits its vibration from the powertrain to the frame or body through the suspension device. A good powertrain suspension can effectively reduce the vibration and noise level of the entire commercial vehicle, that is, it prevents the unbalanced force of the engine from causing excessive vibration to be transmitted to the vehicle body.

[0003] Reliability tests need to be conducted on powertrain mounts of different vehicle models. When conducting reliability tests, specific fixtures need to be processed to clamp the powertrain mounts to meet the test requirements. When conducting reliability tests on powertrain mounts of different vehicle models, there is a lack of universal fixtures, which makes the reliability test process inflexible and the experimental efficiency low.

[0004] Currently, no effective solution has been proposed to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a fixture for powertrain suspension testing and a powertrain suspension testing device, so as to solve the problem of lack of a universal fixture when testing powertrain suspensions of different vehicle models in the prior art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a fixture for powertrain suspension testing is provided, including: a first fixing component, the first fixing component includes a first fixing plate and a plurality of second fixing plates, two second fixing plates among the plurality of second fixing plates are respectively connected to the two ends of the first fixing plate, the two second fixing plates are arranged opposite to each other, an installation space is formed between the two second fixing plates, and the second fixing plate is used to be detachably connected to the powertrain suspension; a second fixing component, the second fixing component is arranged opposite to the first fixing plate, and part of the second fixing component is used to be detachably connected to the powertrain suspension; a connecting component, part of the connecting component is detachably connected to the first fixing plate, and the other part of the connecting component is detachably connected to the second fixing component; wherein, at least one limiting space is formed between the first fixing plate, the second fixing plate and the second fixing component, and the limiting space is used to limit the powertrain suspension.

[0007] Furthermore, the second fixing component is located between the two second fixing plates, and two sides of the second fixing component respectively form two limiting spaces with the two second fixing plates.

[0008] Furthermore, the first fixed plate is provided with a first connecting hole group, which is arranged along the width direction of the first fixed plate, and the first connecting hole group includes a through hole and a first threaded hole, and part of the connecting component is connected to the first fixed plate through a screw and the first threaded hole; each second fixed plate is provided with a plurality of second connecting holes, and the plurality of second connecting holes are used to connect the powertrain suspension.

[0009] Furthermore, the width of the second fixing plate at a side close to the first fixing plate is greater than or equal to the width of the second fixing plate at a side away from the first fixing plate.

[0010] Furthermore, the first fixed plate is provided with weight-reducing holes, and the number of weight-reducing holes is multiple, and the multiple weight-reducing holes are arranged at intervals along the width direction of the first fixed plate, and / or the weight-reducing holes are arranged in rows along the length direction of the first fixed plate, and the first connecting hole group is located between two adjacent rows of weight-reducing holes, and / or the weight-reducing holes are oblong holes.

[0011] Furthermore, the first fixing plate and the second fixing plate are fixedly connected.

[0012] Furthermore, the connecting assembly includes: a first connecting plate, the first connecting plate is provided with a plurality of threaded holes, the first connecting plate is connected to the first fixed plate by screws, the first connecting plate and one of the two second fixed plates are respectively located on two adjacent sides of the first fixed plate; a second connecting plate, the second connecting plate is provided with a plurality of threaded holes, and the second connecting plate is detachably connected to the second fixed assembly.

[0013] Furthermore, the second fixing component includes: a first fixing part, the first fixing part is used to connect to the powertrain suspension, the first fixing part has a positioning hole, a second threaded hole and a third threaded hole, the second threaded hole is used to connect to the powertrain suspension; a second fixing part, the second fixing part is fixedly connected to the first fixing part, the two ends of the first fixing part are respectively located on both sides of the second fixing part, the second fixing part is provided with a fourth threaded hole, and the second fixing part is connected to the second connecting plate through the fourth threaded hole and the screw; a reinforcing rib, one end of the reinforcing rib is connected to the first fixing part, and the other end of the reinforcing rib is connected to the second fixing part.

[0014] Further, the first connecting plate and the second connecting plate are arranged vertically, and / or the first fixing portion and the second fixing portion are arranged vertically.

[0015] According to another aspect of the utility model, a powertrain suspension test device is provided, including a fixture for powertrain suspension test, and the fixture for powertrain suspension test is the above-mentioned fixture for powertrain suspension test.

[0016] By applying the technical solution of the utility model, a first fixing component, a second fixing component and a connecting component are provided to form a limiting space between the first fixing plate, the second fixing plate and the second fixing component. During the powertrain suspension test, the powertrain suspension is located in the limiting space, one end of the powertrain suspension is connected to the second fixing plate, and the other end of the powertrain suspension is connected to the second fixing component. The powertrain suspension is clamped by the second fixing plate and the second fixing component, thereby solving the problem of lack of a universal fixture when testing powertrain suspensions of different vehicle models in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of an embodiment of a fixture for powertrain suspension testing according to the utility model is shown;

[0019] Figure 2 A schematic structural diagram of a first embodiment of a first fixing assembly according to the utility model is shown;

[0020] Figure 3 A schematic structural diagram of a second embodiment of the first fixing assembly according to the utility model is shown;

[0021] Figure 4 A schematic structural diagram of a third embodiment of the first fixing assembly according to the utility model is shown;

[0022] Figure 5 A structural schematic diagram of a first embodiment of a second fixing assembly according to the utility model is shown;

[0023] Figure 6 A schematic structural diagram of a second embodiment of a second fixing assembly according to the utility model is shown;

[0024] Figure 7 A schematic structural diagram of a third embodiment of a second fixing assembly according to the utility model is shown;

[0025] Figure 8 A schematic structural diagram of a first embodiment of a connection assembly according to the utility model is shown;

[0026] Fig. 9 A structural schematic diagram of a second embodiment of a connection assembly according to the utility model is shown.

[0027] The above drawings include the following reference numerals:

[0028] 10. A first fixing component;

[0029] 11. A first fixing plate;

[0030] 111, first connection hole group; 1111, through hole; 1112, first threaded hole;

[0031] 112. Weight reduction hole;

[0032] 12. second fixing plate; 121. second connecting hole;

[0033] 20. A second fixing assembly;

[0034] 21, first fixing portion; 211, positioning hole; 212, second threaded hole; 213, third threaded hole;

[0035] 22. second fixing portion; 221. fourth threaded hole;

[0036] 23. Strengthen the ribs;

[0037] 30. Connecting assembly; 31. First connecting plate; 32. Second connecting plate;

[0038] 40. Limited space;

[0039] 50. Powertrain suspension. DETAILED DESCRIPTION

[0040] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0042] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0043] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0044] Combination Figures 1 to 9 As shown, in a specific embodiment of the present application, a fixture for powertrain suspension testing is provided.

[0045] Example 1

[0046] Specifically, the fixture for powertrain suspension testing includes a first fixing component 10, a second fixing component 20 and a connecting component 30, the first fixing component 10 includes a first fixing plate 11 and a plurality of second fixing plates 12, two second fixing plates 12 of the plurality of second fixing plates 12 are respectively connected to the two ends of the first fixing plate 11, the two second fixing plates 12 are arranged opposite to each other, and an installation space is formed between the two second fixing plates 12, and the second fixing plate 12 is used to be detachably connected to the powertrain suspension 50; the second fixing component 20 is arranged opposite to the first fixing plate 11, and part of the second fixing component 20 is used to be detachably connected to the powertrain suspension 50; part of the connecting component 30 is detachably connected to the first fixing plate 11, and another part of the connecting component 30 is detachably connected to the second fixing component 20; wherein, at least one limiting space 40 is formed between the first fixing plate 11, the second fixing plate 12, and the second fixing component 20, and the limiting space 40 is used to limit the powertrain suspension 50.

[0047] In this embodiment, during the powertrain suspension test, one end of the powertrain suspension 50 is connected to the second fixing plate 12, and the other end of the powertrain suspension 50 is connected to the second fixing assembly 20. At least one limiting space 40 is formed between the first fixing plate 11, the second fixing plate 12, and the second fixing assembly 20. The powertrain suspension 50 is located in the limiting space 40, a part of the connecting assembly 30 is connected to the first fixing plate 11, and another part of the connecting assembly 30 is connected to the second fixing assembly 20. The powertrain suspension 50 is clamped by the second fixing plate 12 and the second fixing assembly 20. The first fixing plate 11 is connected to the test bench, and the connecting assembly 30 is connected to the actuator so as to test the powertrain suspension, thereby avoiding the need to specially set up specific fixtures for different models of powertrain suspensions 50, and solving the problem of lack of universal fixtures when testing powertrain suspensions 50 of different models in the prior art. The fixture can be used to clamp powertrain suspensions 50 of different models, thereby improving the test efficiency, reducing the test cost, and making the test process more flexible.

[0048] Example 2

[0049] Combination Figure 1 and Figure 2 As shown, in this embodiment, the fixture for powertrain suspension testing includes a first fixing component 10, a second fixing component 20 and a connecting component 30, the first fixing component 10 includes a first fixing plate 11 and a plurality of second fixing plates 12, two second fixing plates 12 of the plurality of second fixing plates 12 are respectively connected to two ends of the first fixing plate 11, the two second fixing plates 12 are arranged opposite to each other, and an installation space is formed between the two second fixing plates 12, the second fixing component 20 is located between the two second fixing plates 12, and two sides of the second fixing component 20 form two limiting spaces 40 with the two second fixing plates 12 respectively.

[0050] In this embodiment, the fixture for powertrain suspension testing clamps and limits two powertrain suspensions 50 through two limiting spaces 40, which further improves the test efficiency and makes the test process more flexible and reliable.

[0051] Example 3

[0052] Combination Figure 3 As shown, in this embodiment, the first fixing assembly 10 includes a first fixing plate 11 and a plurality of second fixing plates 12, the first fixing plate 11 is provided with a first connection hole group 111, the first connection hole group 111 is arranged along the width direction of the first fixing plate 11, the first connection hole group 111 includes a through hole 1111 and a first threaded hole 1112, and a part of the connecting assembly 30 is connected to the first fixing plate 11 through a screw and the first threaded hole 1112; Figure 4As shown, each second fixing plate 12 is provided with a plurality of second connection holes 121 , and the plurality of second connection holes 121 are used to connect to the powertrain suspension 50 .

[0053] In this embodiment, the first connecting hole group 111 includes a through hole 1111 and a first threaded hole 1112, and the through hole 1111 is used to connect to the test bench. Part of the connecting component 30 is connected to the first fixed plate 11 through a screw and the first threaded hole 1112, and ensures that the second fixed plate 12 and the powertrain suspension 50 are firmly connected through multiple bolts and multiple second connecting holes 121, thereby improving the connection stability between the fixture for powertrain suspension testing and the powertrain suspension 50.

[0054] Example 4

[0055] The width of the second fixing plate 12 close to the first fixing plate 11 is greater than or equal to the width of the second fixing plate 12 away from the first fixing plate 11. This arrangement improves the bearing capacity of the second fixing plate 12 and makes the test process more stable.

[0056] Furthermore, in another embodiment of the present application, reinforcing ribs are provided between the second fixing plate 12 and the first fixing plate 11 , which can further increase the strength of the fixture for powertrain suspension testing and prevent strength yield.

[0057] Example 5

[0058] In one embodiment of the present application, the first fixing plate 11 is provided with a plurality of weight-reducing holes 112, and the plurality of weight-reducing holes 112 are arranged at intervals along the width direction of the first fixing plate 11. Such a setting has a simple processing technology, reduces the weight of the first fixing plate 11, and makes the force on the first fixing plate 11 more balanced.

[0059] Example 6

[0060] Combination Figure 3 As shown, in another embodiment of the present application, the first fixed plate 11 is provided with weight-reducing holes 112, and the weight-reducing holes 112 are arranged in rows along the length direction of the first fixed plate 11, and the first connecting hole group 111 is located between two adjacent rows of weight-reducing holes 112, and the weight-reducing holes 112 are oblong holes.

[0061] Such a setting simplifies the processing technology, reduces the weight of the first fixing plate 11, and makes the force on the first fixing plate 11 more balanced, thereby increasing the reliability of the fixture for powertrain suspension testing.

[0062] Example 7

[0063] Combination Figure 2As shown, in this embodiment, the first fixing plate 11 and the second fixing plate 12 are fixedly connected. This arrangement improves the strength of the fixture for powertrain suspension testing, prevents strength yield, and makes the test results more accurate.

[0064] Example 8

[0065] Combination Figure 1 , Figure 8 and Fig. 9 As shown, in this embodiment, the connecting assembly 30 includes a first connecting plate 31 and a second connecting plate 32, the first connecting plate 31 is provided with a plurality of threaded holes, the first connecting plate 31 is connected to the first fixed plate 11 by a screw, the first connecting plate 31 is used to connect the actuator, the first connecting plate 31 and one of the two second fixed plates 12 are respectively located on two adjacent sides of the first fixed plate 11; the second connecting plate 32 is provided with a plurality of threaded holes, the second connecting plate 32 is detachably connected to the second fixed assembly 20, the second connecting plate 32 is used to connect the actuator, it should be noted that the actuator is a mechanism that applies pressure to the powertrain suspension during the detection process.

[0066] Combination Figure 1 and Figure 8 As shown, the first connecting plate 31 is provided with a plurality of threaded holes, wherein the threaded holes arranged near the edge of the first connecting plate 31 are used to connect the actuator, and the threaded holes arranged at the center of gravity of the first connecting plate 31 are connected to the first fixing plate 11 through screws. Figure 1 and Fig. 9 As shown, the second connecting plate 32 is provided with a plurality of threaded holes, wherein the threaded holes provided near the edge of the second connecting plate 32 are used to connect the actuator, and the threaded holes provided at the center of gravity of the second connecting plate 32 are connected to the second fixing assembly 20 via screws. This arrangement improves the connection strength and rigidity of the fixture for powertrain suspension testing, and increases the stability of the fixture for powertrain suspension testing.

[0067] Example 9

[0068] Combination Figures 5 to 7As shown, in this embodiment, the second fixing component 20 includes a first fixing portion 21, a second fixing portion 22 and a reinforcing rib 23. The first fixing portion 21 is used to connect with the powertrain suspension 50. The first fixing portion 21 has a positioning hole 211, a second threaded hole 212 and a third threaded hole 213. The second threaded hole 212 is used to connect with the powertrain suspension 50. The second fixing portion 22 is fixedly connected to the first fixing portion 21. The two ends of the first fixing portion 21 are respectively located on both sides of the second fixing portion 22. The second fixing portion 22 is provided with a fourth threaded hole 221. The second fixing portion 22 is connected to the second connecting plate 32 through the fourth threaded hole 221 and the screw; one end of the reinforcing rib 23 is connected to the first fixing portion 21, and the other end of the reinforcing rib 23 is connected to the second fixing portion 22.

[0069] In this embodiment, the positioning hole 211 is used for positioning with the powertrain suspension 50, the first fixing part 21 is connected to the powertrain suspension 50 through the second threaded hole 212 and the bolt, the first fixing part 21 is connected to the test bench through the third threaded hole 213 and the screw, and the second fixing part 22 is connected to the second connecting plate 32 through the fourth threaded hole 221 and the screw, so that the connection stability of the second fixing assembly 20 is increased. One end of the reinforcing rib 23 is connected to the first fixing part 21, and the other end of the reinforcing rib 23 is connected to the second fixing part 22, so that the connection strength and rigidity of the fixture for powertrain suspension testing are improved, and the stability of the fixture for powertrain suspension testing is increased.

[0070] Example 10

[0071] Combination Figure 1 , Figure 5 and Figure 6 As shown, the first connecting plate 31 and the second connecting plate 32 are vertically arranged, the first fixing portion 21 and the second fixing portion 22 are vertically arranged, and the second fixing portion 22 and the second connecting plate 32 are connected through threaded holes and screws. This arrangement can increase the strength of the second fixing component 20 and the connecting component 30, prevent the strength yield phenomenon, and make the test results more accurate.

[0072] Embodiment 11

[0073] In another embodiment of the present application, a powertrain suspension test device is provided, including a fixture for powertrain suspension test, and the fixture for powertrain suspension test is the fixture for powertrain suspension test in the above embodiment.

[0074] Specifically, the fixture for powertrain suspension testing includes a first fixing component 10, a second fixing component 20 and a connecting component 30, the first fixing component 10 includes a first fixing plate 11 and a plurality of second fixing plates 12, two second fixing plates 12 of the plurality of second fixing plates 12 are respectively connected to the two ends of the first fixing plate 11, the two second fixing plates 12 are arranged opposite to each other, and an installation space is formed between the two second fixing plates 12, and the second fixing plate 12 is used to be detachably connected to the powertrain suspension 50; the second fixing component 20 is arranged opposite to the first fixing plate 11, and part of the second fixing component 20 is used to be detachably connected to the powertrain suspension 50; part of the connecting component 30 is detachably connected to the first fixing plate 11, and another part of the connecting component 30 is detachably connected to the second fixing component 20; wherein, at least one limiting space 40 is formed between the first fixing plate 11, the second fixing plate 12, and the second fixing component 20, and the limiting space 40 is used to limit the powertrain suspension 50.

[0075] In this embodiment, during the powertrain suspension test, one end of the powertrain suspension 50 is connected to the second fixing plate 12, and the other end of the powertrain suspension 50 is connected to the second fixing assembly 20. At least one limiting space 40 is formed between the first fixing plate 11, the second fixing plate 12, and the second fixing assembly 20. The powertrain suspension 50 is located in the limiting space 40, a part of the connecting assembly 30 is connected to the first fixing plate 11, and another part of the connecting assembly 30 is connected to the second fixing assembly 20. The powertrain suspension 50 is clamped by the second fixing plate 12 and the second fixing assembly 20. The first fixing plate 11 is connected to the test bench, and the connecting assembly 30 is connected to the actuator so as to test the powertrain suspension, thereby avoiding the need to specially set up specific fixtures for different models of powertrain suspensions 50, and solving the problem of lack of universal fixtures when testing powertrain suspensions 50 of different models in the prior art. The fixture can be used to clamp powertrain suspensions 50 of different models, thereby improving the test efficiency, reducing the test cost, and making the test process more flexible.

[0076] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0077] The fixture used for powertrain suspension testing avoids the need to set up specific fixtures for different models of powertrain suspension 50, and solves the problem of lack of universal fixtures when testing powertrain suspension 50 of different models in the prior art. The fixture can be used to clamp powertrain suspension 50 of different models, thereby meeting the reliability test requirements of the powertrain suspension, achieving universal fixtures, improving test efficiency, reducing test costs, and making the test process more flexible.

[0078] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0079] In addition to the above, it should be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present utility model.

[0080] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0081] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fixture for powertrain suspension testing, characterized in that: include: A first fixing assembly (10), the first fixing assembly (10) comprising a first fixing plate (11) and a plurality of second fixing plates (12), two of the plurality of second fixing plates (12) being respectively connected to two ends of the first fixing plate (11), the two second fixing plates (12) being arranged opposite to each other, a mounting space being formed between the two second fixing plates (12), and the second fixing plates (12) being used for being detachably connected to a powertrain suspension (50); a second fixing assembly (20), the second fixing assembly (20) being arranged opposite to the first fixing plate (11), and a portion of the second fixing assembly (20) being used for being detachably connected to the powertrain suspension (50); A connecting assembly (30), wherein a portion of the connecting assembly (30) is detachably connected to the first fixing plate (11), and another portion of the connecting assembly (30) is detachably connected to the second fixing assembly (20); Wherein, at least one limiting space (40) is formed between the first fixing plate (11), the second fixing plate (12) and the second fixing assembly (20), and the limiting space (40) is used to limit the powertrain suspension (50).

2. The fixture for powertrain suspension testing according to claim 1, characterized in that: The second fixing component (20) is located between the two second fixing plates (12), and two sides of the second fixing component (20) respectively form two limiting spaces (40) with the two second fixing plates (12).

3. The fixture for powertrain suspension testing according to claim 1 or 2, characterized in that: The first fixing plate (11) is provided with a first connection hole group (111), the first connection hole group (111) is arranged along the width direction of the first fixing plate (11), the first connection hole group (111) comprises a through hole (1111) and a first threaded hole (1112), and part of the connection assembly (30) is connected to the first fixing plate (11) via a screw and the first threaded hole (1112); Each of the second fixing plates (12) is provided with a plurality of second connection holes (121), and the plurality of second connection holes (121) are used to connect the powertrain suspension (50).

4. The fixture for powertrain suspension testing according to claim 3, characterized in that: The width of the second fixing plate (12) on a side close to the first fixing plate (11) is greater than or equal to the width of the second fixing plate (12) on a side away from the first fixing plate (11).

5. The fixture for powertrain suspension testing according to claim 4, characterized in that: The first fixing plate (11) is provided with a weight-reducing hole (112). There are a plurality of the weight-reducing holes (112), and the plurality of the weight-reducing holes (112) are arranged at intervals along the width direction of the first fixing plate (11), and / or, The weight-reducing holes (112) are arranged in a row along the length direction of the first fixing plate (11), the first connection hole group (111) is located between two adjacent rows of the weight-reducing holes (112), and / or, The weight-reducing hole (112) is an oblong hole.

6. The fixture for powertrain suspension testing according to claim 5, characterized in that: The first fixing plate (11) and the second fixing plate (12) are fixedly connected.

7. The fixture for powertrain suspension testing according to any one of claims 1, 2, 4 and 6, characterized in that: The connection assembly (30) comprises: a first connecting plate (31), wherein the first connecting plate (31) is provided with a plurality of threaded holes, the first connecting plate (31) is connected to the first fixing plate (11) via screws, and the first connecting plate (31) and one of the two second fixing plates (12) are respectively located on two adjacent sides of the first fixing plate (11); A second connecting plate (32), wherein the second connecting plate (32) is provided with a plurality of threaded holes, and the second connecting plate (32) is detachably connected to the second fixing assembly (20).

8. The fixture for powertrain suspension testing according to claim 7, characterized in that: The second fixing assembly (20) comprises: a first fixing portion (21), the first fixing portion (21) being used to be connected to the powertrain suspension (50), the first fixing portion (21) having a positioning hole (211), a second threaded hole (212) and a third threaded hole (213), the second threaded hole (212) being used to be connected to the powertrain suspension (50); a second fixing portion (22), the second fixing portion (22) being fixedly connected to the first fixing portion (21), the two ends of the first fixing portion (21) being respectively located on two sides of the second fixing portion (22), the second fixing portion (22) being provided with a fourth threaded hole (221), the second fixing portion (22) being connected to the second connecting plate (32) via the fourth threaded hole (221) and a screw; A reinforcing rib (23), one end of the reinforcing rib (23) being connected to the first fixing portion (21), and the other end of the reinforcing rib (23) being connected to the second fixing portion (22).

9. The fixture for powertrain suspension testing according to claim 8, characterized in that: The first connecting plate (31) and the second connecting plate (32) are arranged vertically, and / or, The first fixing portion (21) and the second fixing portion (22) are arranged vertically.

10. A powertrain suspension test device, comprising a fixture for powertrain suspension testing, characterized in that: The fixture for powertrain suspension testing is the fixture for powertrain suspension testing described in any one of claims 1 to 9.

Images