CN114184387A - Engine mounting test platform - Google Patents
Engine mounting test platform Download PDFInfo
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- CN114184387A CN114184387A CN202111543673.8A CN202111543673A CN114184387A CN 114184387 A CN114184387 A CN 114184387A CN 202111543673 A CN202111543673 A CN 202111543673A CN 114184387 A CN114184387 A CN 114184387A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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Abstract
The invention discloses an engine suspension test platform which comprises a test platform base, an installation mechanism, a vibration exciter and a load driving mechanism for driving an engine. The mounting mechanism comprises a first seat body, a second seat body and a third seat body which are in sliding connection with the test bed base, the first seat body and the second seat body can slide towards a first direction, and the third seat body can slide towards a second direction perpendicular to the first direction. And the first seat body, the second seat body and the third seat body are respectively connected with a suspension part for mounting an engine. The load driving mechanism is connected to the base of the test bed in a sliding mode, and the output end of the load driving mechanism can be connected with the engine. The vibration exciter is installed on the base of the test bed. This engine suspension test platform can carry out the suspension experiment to the engine of different signals, can adjust the position of suspension piece through slip first pedestal, second pedestal and third pedestal, makes things convenient for the noise result behind the suspension engine under the experimental analysis different positions to be favorable to designing out the best suspension system of effect.
Description
Technical Field
The invention relates to the technical field of vehicle experimental equipment, in particular to an engine suspension test platform.
Background
With the improvement of national economic level and the development of automobile technology, the popularization rate of automobiles is increasing day by day, the comfort requirement of people on automobile products is also getting more and more critical, and the vibration noise level of automobiles is one of the most intuitive indexes for customers to evaluate the comfort of automobiles, so the performance of automobiles is also gradually valued by various large automobile enterprises. At present, the engine is used as one of the main noise sources of the automobile.
The engine is connected with the vehicle body through the suspension, and vibration excitation generated during the operation of the engine is transmitted to the vehicle body after being subjected to vibration isolation through the suspension system, so that the problem of vibration noise in the vehicle is caused. Therefore, it is necessary to perform a mimicry experiment on the suspension system in cooperation with the engine. The existing engine is generally arranged on a suspension system of a frame to carry out vibration analysis, the suspension system is optimized after the vibration analysis, and then experimental analysis is carried out. The experiment is repeated, so that the production material is wasted, and the design period is prolonged.
In view of the above, improvements are needed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an engine suspension test platform which can adjust the position and is convenient for experimental analysis of an engine.
The technical scheme of the invention provides an engine suspension test platform which comprises a test platform base, an installation mechanism, a vibration exciter and a load driving mechanism for driving an engine; the mounting mechanism comprises a first seat body, a second seat body and a third seat body which are in sliding connection with the test bed base, the first seat body and the second seat body can slide towards a first direction, and the third seat body can slide towards a second direction perpendicular to the first direction; the first seat body, the second seat body and the third seat body are respectively connected with a suspension part for mounting an engine; the load driving mechanism is connected to the test bed base in a sliding mode, and the output end of the load driving mechanism can be connected with an engine; the vibration exciter is installed on the test bed base.
Further, the suspension comprises a mounting upright, a sliding member and a supporting member; the sliding piece is connected to the mounting upright in a sliding manner and can slide vertically along the mounting upright; the supporting piece is fixedly connected to the sliding piece.
Further, the support member includes a first support plate and a second support plate; the first supporting plate is fixedly connected to the sliding part, and the second supporting plate is connected with the first supporting plate in a sliding mode.
Furthermore, a plurality of first through holes are arranged on the first supporting plate at intervals, and second through holes are arranged on the second supporting plate; the second through hole is selectively connected with one of the first through holes through a connecting bolt.
Further, the load driving mechanism comprises a sliding upright post, a sliding block and a driving piece; the sliding upright column is connected to the test bed base in a sliding mode and can slide towards the first direction; the sliding block is connected to the sliding upright in a sliding mode and can slide vertically along the sliding upright; the driving piece is connected with the sliding block.
Further, the driving piece comprises a connecting block, a driving motor and a speed reducer; the connecting block is connected to the sliding block in a sliding mode and can slide towards the second direction; the speed reducer is connected with the connecting block, and the output end of the driving motor is connected with the speed reducer.
Furthermore, a plurality of first connecting holes are formed in the sliding block at intervals, and second connecting holes are formed in the connecting block; the second connection hole is selectively connected with one of the first connection holes by a fixing bolt.
Further, the driving part further comprises a support frame, and the support frame comprises a first support frame plate and a second support frame plate connected with the first support frame plate; the first support plate is connected with the test bed base in a sliding mode, and the speed reducer is connected with the second support plate in a sliding mode through a clamping plate.
Furthermore, a plurality of first mounting holes are formed in the test bed base at intervals, and second mounting holes are formed in the first support plate; the second mounting hole is selectively connected with one of the first mounting holes by a fastening bolt.
Furthermore, a sliding groove is formed in the clamping plate, a clamping bolt is arranged on the second support plate, and the clamping bolt is connected with the sliding groove in a sliding mode.
The technical scheme of the invention provides an engine suspension test platform which comprises a test platform base, an installation mechanism, a vibration exciter and a load driving mechanism for driving an engine. The mounting mechanism comprises a first seat body, a second seat body and a third seat body which are in sliding connection with the test bed base, the first seat body and the second seat body can slide towards a first direction, and the third seat body can slide towards a second direction perpendicular to the first direction. And the first seat body, the second seat body and the third seat body are respectively connected with a suspension part for mounting an engine. The load driving mechanism is connected to the base of the test bed in a sliding mode, and the output end of the load driving mechanism can be connected with the engine. The vibration exciter is installed on the base of the test bed. This engine suspension test platform can carry out the suspension experiment to the engine of different signals, can adjust the position of suspension piece through slip first pedestal, second pedestal and third pedestal, makes things convenient for the noise result behind the suspension engine under the experimental analysis different positions to be favorable to designing out the best suspension system of effect.
Drawings
FIG. 1 is a perspective view of an engine mount test platform according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a base of a test stand according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first base and the suspension member according to an embodiment of the invention;
FIG. 4 is a schematic view of a second seat and a suspension member according to an embodiment of the invention;
FIG. 5 is a schematic view of a third base and a suspension member according to an embodiment of the invention;
FIG. 6 is a schematic view of a first support plate, a second support plate and a connecting bolt according to an embodiment of the present invention;
FIG. 7 is a schematic view of a load driving mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic view of a sliding column, a sliding block, a connecting block, a driving motor and a reducer according to an embodiment of the present invention;
FIG. 9 is a schematic view of a slider, a connecting block and a fixing bolt according to an embodiment of the present invention;
FIG. 10 is a schematic view of a test stand base, a first support plate and a fastening bolt in accordance with an embodiment of the present invention;
fig. 11 is a schematic view of a clamping plate, a second bracket plate and a clamping bolt according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as limiting or restricting the technical aspects of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1 to 8, an engine suspension test platform 10 provided for an embodiment of the present invention includes a test platform base 1, a mounting mechanism 2, an exciter 3, and a load driving mechanism 4 for driving an engine.
The mounting mechanism 2 comprises a first seat body 21, a second seat body 22 and a third seat body 23 which are connected with the test bed base 1 in a sliding manner, wherein the first seat body 21 and the second seat body 22 can slide towards a first direction, and the third seat body 23 can slide towards a second direction perpendicular to the first direction.
The first seat 21, the second seat 22 and the third seat 23 are respectively connected with a suspension 24 for mounting an engine.
The load driving mechanism 4 is connected to the test bed base 1 in a sliding mode, and the output end of the load driving mechanism 4 can be connected with an engine.
The vibration exciter 3 is arranged on the base 1 of the test bed.
The engine mount test platform 10 is used for noise analysis of an engine to design a suitable vehicle mount system.
The engine suspension test platform 10 comprises a test bed base 1, an installation mechanism 2, a vibration exciter 3 and a load driving mechanism 4. The test bed base 1 is placed on the ground, and the mounting mechanism 2, the vibration exciter 3 and the load driving mechanism 4 are respectively mounted on the test bed base 1.
The mounting mechanism 2 includes a first seat 21, a second seat 22, a third seat 23, and three suspension members 24. The first seat 21, the second seat 22 and the third seat 23 are slidably connected to the test bed base 1, and are connected to a suspension 24. The first seat 21 and the second seat 22 can slide toward a first direction, and the third seat 23 can slide toward a second direction, where the first direction and the second direction are two directions perpendicular to each other, and in this embodiment, the first direction is a Y-axis direction, and the second direction is an X-axis direction.
The engine is placed in the cooperation of three suspension 24, can adjust the position of different suspension 24 through slip first pedestal 21, second pedestal 22 and third pedestal 23 to simulate the car suspension system of different position structures, in order to make things convenient for the noise state that the test engine sent when different suspension positions.
The load driving mechanism 4 is connected to the test bed base 1 in a sliding mode, and the output end of the load driving mechanism 4 is connected with the engine to provide different loads for the engine so as to test the noise states of the engine under different loads conveniently. The position of the sliding load driving mechanism 4 on the test bed base 1 can be adjusted to adapt to engines with different sizes and models.
Vibration exciter 3 installs on test bench base 1, opens vibration exciter 3 back, and vibration exciter 3 produces the vibration to simulate the environment state when real engine operation, improve the authenticity of experiment.
When the engine suspension test platform 10 is used, the first seat body 21, the second seat body 22 and the third seat body 23 are firstly slid to the preset positions, and then the engine is installed on the three suspension pieces 24. Next, the load driving mechanism 4 is slid, and the output end of the load driving mechanism 4 is connected to the engine. The load driving mechanism 4 is started, and the load driving mechanism 4 provides a load driving force for the engine to operate the engine. The exciter 3 is then activated and the noise produced by the engine is tested. After the test is finished, the above steps are repeated, except that the first seat 21, the second seat 22 and the third seat 23 are adjusted to another position for testing. And comparing and analyzing the different test results to determine the positions of the first seat body 21, the second seat body 22 and the third seat body 23 when the engine generates the minimum noise, and designing the automobile suspension system according to the result. Due to the arrangement, the development of the automobile suspension system is facilitated for workers, and the previous development mode is changed, so that the development period is shortened, and the development cost is reduced.
Optionally, the first seat 21, the second seat 22 and the third seat 23 are slidably connected to the test bed base 1 through slide rails, respectively. A sliding operation mechanism is respectively connected between the test bed base 1 and the first seat body 21, the second seat body 22 and the third seat body 23, and the sliding operation mechanism comprises a turbine and a worm connected with the turbine. Taking the first seat 21 as an example, the worm gear is rotatably connected to the connection test bed base 1, and the worm is connected to the first seat 21.
In one embodiment, as shown in fig. 1 and 3-5, suspension 24 includes a mounting post 241, a slider 242, and a support. The slider 242 is slidably coupled to the mounting post 241 and is capable of sliding vertically along the mounting post 241. The support member is fixedly attached to the slide member 242.
Specifically, taking the suspension member 24 on the first seat 21 as an example for illustration, the mounting upright 241 extends vertically, is fixedly connected to the first seat 21, and can slide along with the sliding of the first seat 21. The sliding member 242 is slidably connected to the mounting post 241, and the sliding member 242 slides to drive the supporting member to slide. Part of the engine is mounted on a support. The height of the engine can be adjusted by the arrangement, and the flexibility of the adjusting suspension piece 24 is increased.
Optionally, the sliding member 242 is provided with a sliding hole, the sliding member 242 is sleeved on the mounting upright 241, and the mounting upright 241 is in clearance fit with the sliding hole, so that the connection is firmer.
Optionally, the sliding member 242 includes a first sliding block and a second sliding block, the first sliding block and the second sliding block are spliced to form a sliding hole, and the mounting pillar 241 is sandwiched between the first sliding block and the second sliding block.
Optionally, a rack is disposed on the mounting post 241, and a rotatable ratchet is disposed on the slider 242, and a rocker is connected to the ratchet. The teeth of the ratchet wheel engage the rack and the rocker arm is rocked to rotate the ratchet wheel, thereby causing the slider 242 to slide on the mounting post 241.
In one embodiment, as shown in fig. 3-6, the support member includes a first support plate 243 and a second support plate 244. The first support plate 243 is fixedly coupled to the slider 242, and the second support plate 244 is slidably coupled to the first support plate 243.
Specifically, the first support plate 243 is located below the second support plate 244, a sliding rail or sliding chute 471 is arranged on the first support plate 243, and the second support plate 244 is slidably connected with the sliding rail or sliding chute 471. The second support plates 244 of the supporting members of the first and second fastening bodies 21 and 22 slide in the second direction, and the second support plates 244 of the supporting members of the third fastening body 23 slide in the first direction. Therefore, the position is further convenient to adjust, and the adjustment flexibility is improved.
In one embodiment, as shown in fig. 3 to 6, a plurality of first through holes 2431 are spaced apart from each other on the first support plate 243, and a plurality of second through holes 2441 are spaced apart from each other on the second support plate 244. The second through-hole 2441 is selectively connected to one of the first through-holes 2431 by the connection bolt 245.
Specifically, when the position of the second support plate 244 is adjusted, the second support plate 244 is slid to a predetermined position such that the second through holes 2441 are aligned with the corresponding first through holes 2431. Then, the connection bolt 245 is inserted, the connection bolt 245 passes through the first through hole 2431 and the second through hole 2441, and the connection bolt 245 is tightened to secure the first support plate 243 and the second support plate 244.
In one embodiment, as shown in fig. 1-2 and 7-8, the load drive mechanism 4 includes a sliding post 41, a slider 42, and a drive member. The sliding column 41 is slidably connected to the test bed base 1 and can slide in a first direction. The slider 42 is slidably attached to the slide column 41 and can slide vertically along the slide column 41. The drive member is connected to the slide 42.
Specifically, a slide rail is arranged on the test bed base 1, and the sliding upright 41 is connected with the slide rail in a sliding manner. The slide post 41 slides in a first direction. The sliding column 41 extends vertically, the sliding block 42 is connected to the sliding column 41 in a sliding manner, and the driving element is connected to the sliding block 42 and slides along with the sliding block 42. The driver provides load power for the engine. The height of the driving piece is convenient to adjust by the arrangement, so that the driving piece can be matched with engines with different heights for use.
In one embodiment, as shown in fig. 7-8, the drive member includes a connecting block 43, a drive motor 44, and a speed reducer 49. The connecting block 43 is slidably connected to the slider 42 and is capable of sliding in the second direction. The speed reducer 49 is connected with the connecting block 43, and the output end of the driving motor 44 is connected with the speed reducer 49.
Specifically, the driving member is composed of a connecting block 43, a driving motor 44, and a speed reducer 49. The connecting block 43 is slidably connected to the slider 42 and is capable of sliding on the slider 42 in the second direction. The speed reducer 49 is connected with the connecting block 43, the driving motor 44 is connected to the speed reducer 49, and the speed reducer 49 is an output end of the load driving mechanism 4. The reducer 49 for transmitting power after the driving motor 44 is started, the reducer 49 reducing the rotation speed by the transmission of the gear, and then outputting the power to the engine. So set up, can be through the position of sliding connection piece 43 adjustment reduction gear 49, convenient adjustment.
In one embodiment, as shown in fig. 7-9, the sliding block 42 is provided with a plurality of first connecting holes 421 at intervals, and the connecting block 43 is provided with a second connecting hole 431. The second connection hole 431 is selectively connected to one of the first connection holes 421 by a fixing bolt 45.
Specifically, the plurality of first connection holes 421 are arranged at intervals in the second direction, and when it is necessary to adjust the position of the speed reducer 49, the connection block 43 is slid to a predetermined position, the second connection holes 431 are aligned with the corresponding first connection holes 421, then the fixing bolts 45 are inserted, the fixing bolts 45 pass through the first connection holes 421 and the second connection holes 431, and then the fixing bolts 45 are tightened, so that the connection block 43 is firmly connected with the slider 42. So set up, simple structure makes things convenient for manufacturing, and not fragile.
In one embodiment, as shown in fig. 1 and 7-8, the driving member further comprises a support bracket 46, and the support bracket 46 comprises a first bracket plate 461 and a second bracket plate 462 connected to the first bracket plate 461. The first supporting plate 461 is slidably connected to the test bed base 1, and the decelerator 49 is slidably connected to the second supporting plate 462 through the clamping plate 47.
Specifically, the support bracket 46 supports the speed reducer 49 in cooperation with the slide column 41, so that the speed reducer 49 is kept stable. The second support plate 462 is connected to the first support plate 461, and is connected to the first support plate 461 in an L shape. The second leg plate 462 is connected to the decelerator 49 through the clamping plate 47, and the first leg plate 461 moves as the decelerator 49 slides along with the sliding post 41. The first stand plate 461 is always in contact with the test stand base 1, thereby effectively supporting the decelerator 49.
In one embodiment, as shown in fig. 7-8 and 10, a plurality of first mounting holes 11 are spaced on the test bed base 1, and a second mounting hole 4611 is disposed on the first support plate 461. The second mounting hole 4611 is selectively coupled with one of the first mounting holes 11 by a fastening bolt 6.
Specifically, the plurality of first mounting holes 11 are arranged at intervals in the first direction, when the sliding column 41 slides the first support plate 461 to a predetermined position, the second mounting holes 4611 are aligned with the corresponding first mounting holes 11, the fastening bolts 6 are then inserted, and the first support plate 461 is firmly connected with the test bed base 1 after the fastening bolts 6 are tightened. So set up, simple structure is not fragile.
In one embodiment, as shown in fig. 7-8 and 11, the clamping plate 47 is provided with a sliding groove 471, and the second bracket plate 462 is provided with a clamping bolt 48, wherein the clamping bolt 48 is slidably connected with the sliding groove 471.
Specifically, the clamping plate 47 is provided with a sliding groove 471 extending vertically, and one end of the clamping bolt 48 is connected to the second support plate 462, and the other end is slidably connected in the sliding groove 471. When the slide block 42 drives the speed reducer 49 to vertically slide, the clamping plate 47 vertically slides relative to the second bracket plate 462. When the clamping plate 47 slides to a predetermined position, the clamping bolt 48 is tightened to firmly connect the clamping plate 47 with the second bracket plate 462.
In one embodiment, as shown in fig. 1-2, the test bed base 1 is provided with a base through hole 12, and the base through hole 12 is located between the first seat 21, the second seat 22 and the third seat 23. The base through hole 12 is internally provided with a mounting seat 5, the mounting seat 5 is provided with a mounting groove 51 with an upward opening, and the vibration exciter 3 is mounted in the mounting groove 51.
Specifically, the base through hole 12 vertically penetrates through the test bed base 1, and the base through hole 12 is located between the first seat body 21, the second seat body 22 and the third seat body 23, that is, located below the engine. The mounting seat 5 is connected in the base through hole 12, a mounting groove 51 is formed in the mounting seat 5, and the vibration exciter 3 is connected in the mounting groove 51. The vibration exciter 3 is arranged in such a way to provide a mounting position, so that the layout is more reasonable.
Optionally, the bottom of test bench base 1 is connected with the truckle, and the truckle rotates with test bench base 1 to be connected, and the truckle has reduced and ground between frictional force, so make things convenient for the staff to remove test bench base 1.
Optionally, the bottom end of the test bed base 1 is connected with a telescopic piece, and the telescopic piece is located on one side of the caster. When the extensible member extends, the extensible member lifts the test bed base 1, and the trundles are suspended on the ground, so that the test bed base 1 is stable on the ground. When the test bed base 1 needs to be moved, the telescopic piece is shortened, and the trundles are in contact with the ground. The telescopic piece can be an adjusting bolt or a hydraulic oil cylinder.
Optionally, a handrail is connected to the test bed base 1.
Optionally, a controller is disposed on the test bed base 1, and the controller is connected to the mounting mechanism and the load driving mechanism and controls the sliding of the first seat 21, the second seat 22, the third seat 23, the sliding member 242, the second support plate 244, the slide column 41, and the sliding block 42.
In summary, the engine suspension test platform 10 provided by the invention comprises a test platform base 1, an installation mechanism 2, a vibration exciter 3 and a load driving mechanism 4 for driving an engine. The mounting mechanism 2 comprises a first seat body 21, a second seat body 22 and a third seat body 23 which are connected with the test bed base 1 in a sliding manner, wherein the first seat body 21 and the second seat body 22 can slide towards a first direction, and the third seat body 23 can slide towards a second direction perpendicular to the first direction. The first seat 21, the second seat 22 and the third seat 23 are respectively connected with a suspension 24 for mounting an engine. The load driving mechanism 4 is connected to the test bed base 1 in a sliding mode, and the output end of the load driving mechanism 4 can be connected with an engine. The vibration exciter 3 is arranged on the base 1 of the test bed. This engine suspension test platform 10 can carry out the suspension experiment to the engine of different signals, can adjust the position of suspension 24 through slip first pedestal 21, second pedestal 22 and third pedestal 23, makes things convenient for the noise result behind the suspension engine under the experimental analysis different positions to be favorable to designing out the best suspension system of effect.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. An engine suspension test platform is characterized by comprising a test bed base, an installation mechanism, a vibration exciter and a load driving mechanism for driving an engine;
the mounting mechanism comprises a first seat body, a second seat body and a third seat body which are in sliding connection with the test bed base, the first seat body and the second seat body can slide towards a first direction, and the third seat body can slide towards a second direction perpendicular to the first direction;
the first seat body, the second seat body and the third seat body are respectively connected with a suspension part for mounting an engine;
the load driving mechanism is connected to the test bed base in a sliding mode, and the output end of the load driving mechanism can be connected with an engine;
the vibration exciter is installed on the test bed base.
2. The engine mount test platform of claim 1, wherein the suspension comprises a mounting column, a slide, and a support;
the sliding piece is connected to the mounting upright in a sliding manner and can slide vertically along the mounting upright;
the supporting piece is fixedly connected to the sliding piece.
3. The engine mount test platform of claim 2, wherein the support member comprises a first support plate and a second support plate;
the first supporting plate is fixedly connected to the sliding part, and the second supporting plate is connected with the first supporting plate in a sliding mode.
4. The engine mount test platform of claim 3, wherein a plurality of first through holes are spaced on the first support plate, and a second through hole is disposed on the second support plate;
the second through hole is selectively connected with one of the first through holes through a connecting bolt.
5. The engine mount test platform of claim 1, wherein the load drive mechanism comprises a sliding column, a slider block, and a drive member;
the sliding upright column is connected to the test bed base in a sliding mode and can slide towards the first direction;
the sliding block is connected to the sliding upright in a sliding mode and can slide vertically along the sliding upright;
the driving piece is connected with the sliding block.
6. The engine mount test platform of claim 5, wherein the drive member includes a connection block, a drive motor, and a speed reducer;
the connecting block is connected to the sliding block in a sliding mode and can slide towards the second direction;
the speed reducer is connected with the connecting block, and the output end of the driving motor is connected with the speed reducer.
7. The engine mount test platform of claim 6, wherein a plurality of first connection holes are formed in the sliding block at intervals, and a second connection hole is formed in the connection block;
the second connection hole is selectively connected with one of the first connection holes by a fixing bolt.
8. The engine mount test platform of claim 5, wherein the drive member further comprises a support bracket comprising a first bracket plate and a second bracket plate connected to the first bracket plate;
the first support plate is connected with the test bed base in a sliding mode, and the speed reducer is connected with the second support plate in a sliding mode through a clamping plate.
9. The engine mount test platform of claim 8, wherein a plurality of first mounting holes are spaced apart from one another on the test bed base, and a second mounting hole is disposed on the first bracket plate;
the second mounting hole is selectively connected with one of the first mounting holes by a fastening bolt.
10. The engine mount test platform of claim 8, wherein the clamp plate is provided with a sliding groove, and the second bracket plate is provided with a clamping bolt, wherein the clamping bolt is slidably connected with the sliding groove.
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| CN202111543673.8A CN114184387A (en) | 2021-12-16 | 2021-12-16 | Engine mounting test platform |
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|---|---|---|---|
| CN202111543673.8A CN114184387A (en) | 2021-12-16 | 2021-12-16 | Engine mounting test platform |
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| CN214584037U (en) * | 2021-02-07 | 2021-11-02 | 奇瑞汽车股份有限公司 | Frame type engine test bed |
| CN113295439A (en) * | 2021-05-20 | 2021-08-24 | 刘永强 | Vibration noise test device for automobile power assembly suspension system |
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