CN219777089U - Power assembly load test fixture - Google Patents

Abstract

The utility model discloses a power assembly load testing tool, which comprises: go up suspension frock and side suspension frock, go up suspension frock and include: the two ends of the upper tooling support are arranged on the frame; the first load sensor is arranged at the bottom of the upper tool support; the transition block is arranged on one side, facing away from the upper tool support, of the first load sensor, and is suitable for being arranged on the power assembly. According to the power assembly load testing tool provided by the embodiment of the utility model, the load of the power assembly during the installation of a real vehicle can be tested more truly, and the power assembly load testing tool has the advantages of high testing accuracy, simplicity and convenience in testing, high testing efficiency and the like.

Description

Power assembly load test fixture

Technical Field

The utility model relates to the technical field of vehicles, in particular to a load testing tool for a power assembly.

Background

The power assembly in the related art is heavy in weight, the suspension mounting point of the power assembly is positioned at the side part and the top of the power assembly, the power assembly is required to be disassembled for testing when the load is tested, the load in a real vehicle state cannot be completely adapted, and errors exist between a measured value and the load of the power assembly on the real vehicle. The suspension bracket in the real vehicle does not have the space condition for installing the test load, and can not be directly installed with the power assembly, the load at the suspension bracket can not be directly tested without dismantling, the whole power assembly needs to be dismantled from the chassis, the time for dismantling and installing the power assembly is increased, and the test efficiency is lower.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a power assembly load test fixture, said power assembly load test fixture being characterized by comprising: go up suspension frock and side suspension frock, go up suspension frock and include: the two ends of the upper tooling support are arranged on the frame; the first load sensor is arranged at the bottom of the upper tool support; the transition block is arranged on one side, facing away from the upper tool support, of the first load sensor, and is suitable for being arranged on the power assembly.

According to the power assembly load testing tool provided by the embodiment of the utility model, the load of the power assembly during the installation of a real vehicle can be tested more truly, and the power assembly load testing tool has the advantages of high testing accuracy, simplicity and convenience in testing, high testing efficiency and the like.

According to some embodiments of the utility model, the upper tooling support comprises: the connecting beam extends horizontally, and the first load sensor is arranged at the bottom of the connecting beam; and the damping units are arranged at two ends of the connecting cross beam and are suitable for being arranged on the frame.

According to some embodiments of the utility model, the connecting beam comprises: the main beam, the main beam extends along the level, the both ends of main beam are constructed with the end plate of vertical extension, first load sensor install in the bottom of main beam. The bracket comprises a vertical part and an inclined part connected with the vertical part, wherein the vertical part is installed on the end plate, and the inclined part is installed on the damping unit.

According to some specific embodiments of the utility model, two ends of the main beam are provided with vertically extending oblong holes, one side of the bracket connected with the main beam is provided with horizontally extending oblong holes, and the oblong holes of the main beam are matched with the oblong holes of the bracket and are suitable for being penetrated by fasteners.

According to some specific embodiments of the present utility model, the upper surface of the transition block is configured as a rectangle, a block mounting hole is provided at the center of the transition block, the transition block is adapted to be mounted with the power assembly through the block mounting hole, lower mounting holes are provided at four corners of the transition block, and the transition block mounts the first load sensor through the lower mounting holes.

Further, an upper mounting hole is formed in a position, corresponding to the position sensor mounting hole, of the connecting beam, and the first load sensor is mounted through the upper mounting hole.

According to some embodiments of the utility model, the side suspension fixture comprises: the driving side tool is suitable for being installed on the power assembly and is positioned on two sides of the power assembly; the passive side tool is suitable for being mounted on the frame and located on two sides of the power assembly, and the passive side tool is located on one side, away from the power assembly, of the active side tool; and the second load sensor is arranged between the active side tool and the passive side tool.

According to some embodiments of the utility model, a step slope is provided on a side of the passive side tooling facing the active side tooling, the thickness of the passive side tooling above the step slope is smaller than the thickness of the passive side tooling below the step slope, and the passive side tooling is suitable for being mounted on a side suspension shock pad below the step slope.

According to some embodiments of the utility model, the active side tooling is provided with a vertically through step hole in the step slope, and the active side tooling is suitable for being mounted on the side suspension shock pad through the step hole.

According to some specific embodiments of the utility model, an adjusting plate is arranged between the second load sensor and the passive side tooling.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an assembly schematic diagram of a powertrain load testing tool according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a powertrain load testing tool according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of an upper suspension tooling of a powertrain load testing tooling according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a side suspension tooling of a powertrain load testing tooling according to an embodiment of the present utility model;

FIG. 5 is a side view of a side suspension tooling of a powertrain load testing tooling according to an embodiment of the present utility model;

FIG. 6 is an exploded view of an upper suspension tooling of a powertrain load testing tooling according to an embodiment of the present utility model;

fig. 7 is an exploded view of a side suspension tooling of a powertrain load testing tooling according to an embodiment of the present utility model.

Reference numerals:

power assembly load testing tool 1, frame 10, power assembly 20, upper suspension tool 100,

Side suspension tooling 200, upper tooling bracket 110, first load sensor 120, transition block 130,

Connecting beam 111, damper unit 112, main beam 113, end plate 115, oblong hole 116

Bracket 114, block mounting hole 131, lower mounting hole 132,

An upper mounting hole 117, an active side tooling 210, a passive side tooling 220, a second load sensor 230,

Step slope 221, step hole 222, adjusting plate 240, side suspension pad 30.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the utility model, "a plurality" means two or more, and "a number" means one or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

The following describes a powertrain load test fixture 1 according to an embodiment of the present utility model with reference to the accompanying drawings.

As shown in fig. 1 to 7, the powertrain load test fixture 1 according to the embodiment of the present utility model includes an upper suspension fixture 100 and a side suspension fixture 200, and the upper suspension fixture 100 includes an upper fixture bracket 110, a first load sensor 120, and a transition block 130. Both ends of the upper tool support 110 are mounted to the frame 10. The first load sensor 120 is disposed along a length direction of the upper tool support 110, and the first load sensor 120 is mounted at a bottom of the upper tool support 110. The transition block 130 is mounted on a side of the first load sensor 120 facing away from the tooling support 110, and the transition block 130 is adapted to be mounted on the powertrain 20.

For example, the frame 10 includes a left side rail and a right side rail, and the powertrain load testing tool 1 is mounted between the left side rail and the right side rail. The upper suspension fixture 100 is installed at the top of the power assembly 20, the side suspension fixtures 200 are installed at the left and right sides of the power assembly 20, the left side suspension fixture 200 is located between the left longitudinal beam and the power assembly 20, and the right side suspension fixture 200 is located between the right longitudinal beam and the power assembly 20. The upper suspension tooling 100 may be mounted above the gearbox of the powertrain 20 and the side suspension tooling 200 may be mounted between the flywheel housing and frame 10 of the engine of the powertrain 20. The number of the first load sensors 120 may be two, and the two first load sensors are respectively adjacent to two ends of the upper tool support 10. The first load sensor 120 and the second load sensor 230 are both pressure sensors.

When the load at the connection between the top of the power assembly 20 and the upper auxiliary suspension bracket needs to be tested, the upper auxiliary suspension bracket above the power assembly 20 is detached and replaced by the upper suspension tool 100, and the upper auxiliary suspension bracket is simulated by using the upper suspension tool 100 to test the load at the connection with the power assembly 20. Similarly, when the load of the side part of the suspension bracket of the power assembly 20 and the load of the side auxiliary suspension bracket need to be tested, the side auxiliary suspension bracket of the side part of the power assembly 20 is detached and replaced by the side suspension tool 200, and the side auxiliary suspension tool 200 is utilized to simulate the side auxiliary suspension and test the load of the joint of the power assembly 20. Thereby realizing the installation and the test of the power assembly load test fixture 1 without disassembling the power assembly 20. When the original upper auxiliary suspension bracket and the side auxiliary suspension bracket of the vehicle are detached, other suspension brackets do not need to be detached, and the support structures such as jacks are utilized to support the bottom of the power assembly 20.

According to the power assembly load test tool 1 of the embodiment of the utility model, since the joint of the power assembly 20 and the upper suspension bracket has no space for installing the first load sensor 120 and cannot directly install the first load sensor 120, the upper suspension tool can reserve the installation space of the first load sensor 120 by arranging the upper suspension tool 100 for replacing the upper auxiliary suspension bracket on the top of the power assembly 20, so that a space for installing the first load sensor 120 and the transition block 130 can be formed between the upper tool bracket 110 and the power assembly 20, and meanwhile, the upper tool bracket 110 maintains the structure which is approximately the same as that of the upper auxiliary suspension bracket, and the load between the upper auxiliary suspension bracket and the power assembly 20 is accurately tested.

And the upper suspension fixture 100 is provided with the first load sensor 120 through the transition block 130, so that the first load sensor 120 is provided with a carrier for installation, specifically, the first load sensor 120 is provided with a plurality of installation hole sites, the power assembly 20 lacks the hole sites for directly installing the first load sensor 120 due to the limitation of structural strength, the transition block 130 is arranged between the first load sensor 120 and the power assembly 20, the transition block 130 is installed with a single threaded hole of the power assembly 20, and then the upper fixture bracket 110 and the transition block 130 are respectively installed with the first load sensor 120. In this manner, the first load sensor 120 is installed without disassembling the powertrain 20, and the powertrain 20 can install the transition block 130 and the first load sensor 120 while the frame 10 is installed, so that the first load sensor 120 can more truly test the load of the powertrain 20. Because the power assembly 20 is not required to be disassembled and assembled, the testing efficiency can be improved, and the testing difficulty can be reduced. When the load is tested by the upper suspension fixture 100, the upper suspension fixture 100 is disassembled and replaced by an upper auxiliary suspension bracket, so that the vehicle can be restored to the original state, and the vehicle can normally run.

Therefore, according to the power load testing tool provided by the embodiment of the utility model, the load of the power assembly 20 during the installation of a real vehicle can be truly simulated, and the power load testing tool has the advantages of high testing accuracy, simplicity and convenience in testing, high testing efficiency and the like.

In some embodiments of the present utility model, as shown in fig. 3 and 6, the upper tool support 110 includes a connection beam 111 and a shock absorbing unit 112.

The connection beam 111 extends horizontally, and the first load sensor 120 is mounted to the bottom of the connection beam 111. Shock absorbing units 112 are mounted to both ends of the connecting beam 111 and are adapted to be mounted to the frame 10. For example, the damper unit 112 is a rubber pad, and the damper unit 112 is disposed obliquely below the connecting beam 111, so that the shock of the frame 10 is damped when the shock is transmitted to the powertrain 20.

In some embodiments of the present utility model, as shown in fig. 3 and 6, the connecting beam 111 includes a main beam 113 and a bracket 114. The main beam 113 extends horizontally, and both ends of the main beam 113 are configured with vertically extending end plates 115, and the first load sensor 120 is mounted to the bottom of the main beam 113. The bracket 114 includes a vertical portion mounted to the end plate 115 and an inclined portion connected to the vertical portion, and the inclined portion is mounted to the shock absorbing unit 112.

Wherein the bracket 114 is fixedly installed with the shock absorbing unit 112, and the positions where the main beam 113 and the bracket 114 are installed can be adjusted according to the thickness of the first load sensor 120. The first load cell 120 and the transition block 130 are both located between the main beam 113 and the powertrain 20. The bracket 114 can accommodate the arrangement direction of the shock absorbing unit 112 by constructing the vertical portion and the inclined portion, thereby providing good shock absorption when vibration occurs in both the horizontal and vertical directions of the vehicle.

In some embodiments of the present utility model, as shown in fig. 6, two ends of the main beam 113 are configured with vertically extending oblong holes 116, one side of the bracket 114 connected with the main beam 113 is configured with horizontally extending oblong holes 116, and the oblong holes 116 of the main beam 113 are fitted in the oblong holes 116 of the bracket 114 and are adapted to be penetrated by fasteners.

In addition, the main beam 113 may be provided with a horizontally extending oblong hole 116, and the bracket 114 may be provided with a vertically extending oblong hole 116. The height of the main beam 113 can be adjusted by arranging the fasteners at different positions of the oblong holes 116, and the front and rear positions of the main beam 113 can be adjusted by arranging the fasteners at different positions of the oblong holes 116. Thus, the height and the installation position of the main beam 113 can be adapted to the thickness of the first load sensor 112, and the measured load is more accurate.

In some embodiments of the present utility model, as shown in fig. 6, the upper surface of the transition block 130 is configured in a rectangular shape, a block mounting hole 131 is provided at the center of the transition block 130, the transition block 130 is mounted with the transmission case through the block mounting hole 131, lower mounting holes 132 are provided at four corners of the transition block 130, and the transition block 130 is mounted with the first load sensor 120 through the lower mounting holes 132.

By installing the single block mounting hole 131 in the center of the transition block 130 with the powertrain 20, the hole location in the powertrain 20 can be accommodated without the need for holes to compromise the overall structural strength of the powertrain 20. The lower mounting holes 132 are formed in the four corners of the transition block 130, so that the lower part of the first load sensor 120 is kept mounted with the transition block 130 through the lower mounting holes 132, the block mounting holes 131 and the lower mounting holes 132 are respectively positioned in the center and the four corners of the transition block 130, hole positions are distributed more dispersedly, and the first load sensor 120 is mounted more firmly.

Further, as shown in fig. 6, the connection beam 111 is provided with an upper mounting hole 117 at a position corresponding to the position sensor mounting hole, and the connection beam 111 mounts the first load sensor 120 through the upper mounting hole 117.

As such, the upper mounting hole 117 and the lower mounting hole 132 may be respectively provided at both upper and lower sides of the first load sensor 120. Wherein an upper portion of the first load sensor 120 is mounted to the main beam 113 through the upper mounting hole 117, and a lower portion of the first load sensor 120 is mounted to the transition block 130 through the lower mounting hole 132. Four bolts are arranged in the upper mounting holes 117 of the upper part of the first load sensor 120 in a penetrating way, and four bolts are arranged in the lower mounting holes 132 of the lower part in a penetrating way, so that the first load sensor 120 is ensured to be stable at the joint of the upper suspension tool 100 and the power assembly 20.

In some embodiments of the present utility model, as shown in fig. 4, 5 and 7, the side suspension tooling 200 includes an active side tooling 210, a passive side tooling 220 and a second load sensor 230.

The active side tooling 210 is adapted to be mounted on the powertrain 20, and the active side tooling 210 is located on both sides of the powertrain 20. The passive side tooling 220 is adapted to be mounted to the frame 10 and located on both sides of the powertrain 20, and the passive side tooling 220 is located on a side of the active side tooling 210 away from the powertrain 20. The second load sensor 230 is installed between the active side tooling 210 and the passive side tooling 220.

When the side suspension fixture 200 measures the load between the power assembly 20 and the side auxiliary suspension bracket, the side auxiliary suspension bracket is firstly disassembled, so that a space for installing the side suspension fixture 200 is formed between the power assembly 20 and the frame 10, the passive side fixture 220 is kept installed with the power assembly 20 through a fastener, the bottom of the driving side fixture 210 is kept installed with the side bracket at the position of the frame 10, thereby the side suspension fixture 200 is respectively installed with the frame 10 and the power assembly 20, the side suspension fixture 200 is utilized to simulate the side auxiliary suspension bracket and test the load at the joint of the side auxiliary suspension bracket and the power assembly 20, and the load at the joint of the driving side fixture 210 and the passive side fixture 220 can be accurately measured by the second load sensor 230. The power assembly 20 does not need to be disassembled and assembled, so that the installation time is saved, and the efficiency of testing load is improved. After the test load of the side suspension tool 200 is finished, the side suspension tool 200 is replaced by the original side auxiliary suspension bracket, the vehicle can be restored to the state before the test again, and the vehicle can normally run.

In some embodiments of the present utility model, as shown in fig. 4, a step slope 221 is provided on a side of the passive side tooling 220 facing the active side tooling 210, the passive side tooling 220 has a thickness above the step slope 221 that is smaller than a thickness below the step slope 221, and the passive side tooling 220 is adapted to be mounted to the side suspension damper pad 30 below the step slope 221.

The step inclined plane 221 gradually extends to the inclination of the active side tooling 210, and the step inclined plane 221 is positioned below the second load sensor 230, so that the installation space of the second load sensor 230 is not occupied, the space outside the power assembly 20 and the frame 10 is not occupied, and the space is saved. And the thickness at the bottom of the step slope 221 is thicker so that a larger installation area can be maintained with the side suspension pad 30 at the bottom, thereby improving support stability and enhancing a shock absorbing effect of the side suspension pad 30. The passive tooling 220 may be configured to be matched with the step inclined surface 221 of the active tooling 210, so that the shape of the active tooling 210 and the shape of the passive tooling 220 are more integrated, and interference does not occur.

Further, as shown in fig. 4, the active side tooling 210 is provided with a vertically penetrating step hole 222 on the step slope 221, and the active side tooling 210 is adapted to be mounted on the side suspension damper pad 30 through the step hole 222.

The step hole 222 is through the step inclined plane 221, so that the fastener of the driving side tool 210 can not influence the installation of the second load sensor 230, the step hole 222 penetrates through the bottom surface of the driving side tool 210 and is installed with the side suspension shock pad 30, the whole side suspension tool 200 is installed with the side suspension shock pad 30, and the stability of the side suspension tool 200 is ensured.

In some embodiments of the present utility model, as shown in fig. 5 and 7, an adjusting plate 240 is disposed between the second load sensor 230 and the passive side tooling 220.

Wherein, the thickness of the adjusting plate 240 may be selected according to the thickness of the second load sensor 230, and the adjusting plate 240 may function as size compensation in the left-right direction. The problem of gaps caused by left and right dimensional errors of the adjusting plate 240 is solved, and the problem that gaps are too large when the passive side tool 220 and the power assembly 20 are installed is avoided.

Other components and operations of the powertrain load testing tool 1 according to the embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the term "particular embodiment," "particular example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a power assembly load test fixture which characterized in that includes: go up suspension frock and side suspension frock, go up suspension frock and include:

the two ends of the upper tooling support are arranged on the frame;

the first load sensor is arranged at the bottom of the upper tool support;

the transition block is arranged on one side, facing away from the upper tool support, of the first load sensor, and is suitable for being arranged on the power assembly.

2. The powertrain load testing tool of claim 1, wherein the upper tool support comprises:

the connecting beam extends horizontally, and the first load sensor is arranged at the bottom of the connecting beam;

and the damping units are arranged at two ends of the connecting cross beam and are suitable for being arranged on the frame.

3. The powertrain load testing tool of claim 2, wherein the connecting beam comprises:

the main beam extends horizontally, two ends of the main beam are provided with vertically extending end plates, and the first load sensor is arranged at the bottom of the main beam;

the bracket comprises a vertical part and an inclined part connected with the vertical part, wherein the vertical part is installed on the end plate, and the inclined part is installed on the damping unit.

4. The power assembly load test fixture according to claim 3, wherein two ends of the main beam are provided with vertically extending oblong holes, one side of the bracket connected with the main beam is provided with horizontally extending oblong holes, and the oblong holes of the main beam are matched with the oblong holes of the bracket and are suitable for being penetrated by fasteners.

5. The powertrain load testing tool of claim 2, wherein the upper surface of the transition block is configured as a rectangle, a block mounting hole is provided at the center of the transition block, the transition block is adapted to be mounted with the powertrain through the block mounting hole, lower mounting holes are provided at four corners of the transition block, and the transition block is mounted with the first load sensor through the lower mounting holes.

6. The powertrain load testing tool of claim 5, wherein the connecting beam has an upper mounting hole at a position corresponding to the lower mounting hole, and the connecting beam mounts the first load sensor through the upper mounting hole.

7. The powertrain load testing tool of claim 1, wherein the side suspension tool comprises:

the driving side tool is suitable for being installed on the power assembly and is positioned on two sides of the power assembly;

the passive side tool is suitable for being mounted on the frame and located on two sides of the power assembly, and the passive side tool is located on one side, away from the power assembly, of the active side tool;

and the second load sensor is arranged between the active side tool and the passive side tool.

8. The powertrain load testing tool of claim 7, wherein a step slope is provided on a side of the passive side tool facing the active side tool, the passive side tool having a thickness above the step slope that is less than a thickness below the step slope, the passive side tool being adapted to be mounted to a side suspension shock pad below the step slope.

9. The powertrain load testing tool of claim 8, wherein the active side tool is provided with a vertically through step hole in the step slope, and the active side tool is adapted to be mounted to the side suspension shock pad through the step hole.

10. The powertrain load testing tool of claim 7, wherein an adjustment plate is disposed between the second load sensor and the passive side tool.