CN210923100U - Supporting device - Google Patents
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- CN210923100U CN210923100U CN201921557104.7U CN201921557104U CN210923100U CN 210923100 U CN210923100 U CN 210923100U CN 201921557104 U CN201921557104 U CN 201921557104U CN 210923100 U CN210923100 U CN 210923100U
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 27
- 238000001514 detection method Methods 0.000 abstract description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model provides a supporting device, the device includes: the device comprises a base, a first supporting mechanism, a second supporting mechanism and a third supporting mechanism; the base is detachably connected with the NVH test bed; the first support mechanism is connected with the base in a position-adjustable manner and is used for supporting the part of the steering system, which is close to the steering wheel; the second supporting mechanism is connected with the base in a position-adjustable manner and is used for supporting the middle part of the steering system; the third supporting mechanism is connected with the base in a position-adjustable manner and is used for supporting the tail of the steering system. The utility model discloses can fix steering system steadily to can adjust the position of first supporting mechanism, second supporting mechanism and third supporting mechanism on the base according to steering system at the mounted position and the mounted state of whole car, be convenient for simulate the installation of steering system on whole car, improve the degree of accuracy that NVH performance detected, reduce the detection error, and, simple structure, weight is lighter.
Description
Technical Field
The utility model relates to an automobile inspection technical field particularly, relates to a strutting arrangement.
Background
The automobile steering system is a group of important parts on the whole automobile, has the function of controlling the driving direction of the automobile according to the intention of a driver, and is of great importance to the driving safety of the automobile. With the popularization of new energy automobiles, the sound of boom of a traditional engine does not appear during the running process of the automobile, the noise of other parts begins to be highlighted, the automobile steering system is a group of parts which receive the excitation of a road surface most directly, and the NVH performance of the automobile steering system is one of important factors influencing the NVH performance of the whole automobile. Therefore, the steering system parts are very necessary for NVH performance detection before loading. Generally, the conventional practice for NVH performance detection of a steering system is: vehicle off-line is detected during a dynamic road test. However, as the vehicle yield increases, the conventional detection method cannot perform rapid detection at all.
Patent application number CN201811415963.2 discloses an experimental general fixing device of steering column, and the device sets up many first spouts on the backplate, and the backplate upside is connected with gliding last mounting panel from top to bottom, goes up and transversely is equipped with the second spout on the mounting panel, goes up mounting bracket fixedly connected with and second spout complex slider, and lateral sliding locates the side of going up the mounting panel. The lower side of the back plate is connected with a base plate which can slide up and down, the lower mounting plate is fixedly connected to the side face of the base plate, a third sliding groove is transversely arranged on the lower mounting plate, a lower mounting bracket is fixedly connected with a sliding block matched with the third sliding groove, and the side face of the lower mounting plate is arranged in a transverse sliding mode. And a bolt mounting bracket is also fixed on the side surface of the base plate and is positioned below the lower mounting plate, a jacking bolt is vertically fixed on the bolt mounting bracket and is used for jacking a lower mandrel of the steering column. Although the device can satisfy the fixed demand of the steering column of different models, the commonality is good to need not to detect under whole car state, but, the device can't simulate the mounted state of each part on whole car among the automobile steering system, and, the structure is complicated comparatively heavy, influences the accuracy of NVH performance testing result easily.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a supporting device aims at solving among the prior art the unable installation state of simulating the car a steering system on whole car of fixing device of car a steering system and easily influences the problem of NVH performance testing result accuracy.
The utility model provides a supporting device, the device includes: the device comprises a base, a first supporting mechanism, a second supporting mechanism and a third supporting mechanism; the base is detachably connected with the NVH test bed; the first support mechanism is connected with the base in a position-adjustable manner and is used for supporting the part of the steering system, which is close to the steering wheel; the second supporting mechanism is connected with the base in a position-adjustable manner and is used for supporting the middle part of the steering system; the third supporting mechanism is connected with the base in a position-adjustable manner and is used for supporting the tail of the steering system.
Further, in the above-described support device, the first support mechanism includes: the device comprises a first bottom plate, a support frame and a first mounting plate; the first bottom plate is connected with the base in a position-adjustable mode, the first end of the supporting frame is connected with the first bottom plate, the second end of the supporting frame is connected with the first mounting plate in an angle-adjustable mode, and the first mounting plate is detachably connected with a portion, close to a steering wheel, of the steering system.
Further, in the above-described support device, the first support mechanism further includes: the bottom surface of the adjusting body is connected with the second end of the supporting frame, and the top surface of the adjusting body is in an inclined state and is connected with the first mounting plate; at least one adjusting gasket presss from both sides and locates between the top surface of adjusting the body and the first mounting panel to the inclination through the quantity regulation first mounting panel of increase and decrease adjusting gasket.
Further, in the above-described support device, the support frame includes: the first ends of the two longitudinal beams are connected with the first bottom plate, the second ends of the two longitudinal beams are connected with the first mounting plate in an angle-adjustable manner, and a preset distance is reserved between the two longitudinal beams; and the cross beam is transversely arranged between the two longitudinal beams.
Furthermore, in the supporting device, the base is provided with a plurality of first mounting holes, the first bottom plate is provided with a plurality of second mounting holes, and each second mounting hole is connected with part of the first mounting holes through bolts.
Further, in the above-described support device, the second support mechanism includes: the adjusting mechanism, the second bottom plate, the supporting beam and the two second mounting plates are arranged in parallel; the second bottom plate is connected with the base in a position-adjustable manner, the first end of the supporting beam is connected with the second bottom plate, and the second end of the supporting beam is connected with the two second mounting plates; the two second mounting plates are spaced by a preset distance, and the middle part of the steering system is clamped between the two second mounting plates and is detachably connected with the two second mounting plates; the adjusting mechanism is arranged between the two second mounting plates and used for adjusting the position of the middle part of the steering system between the two second mounting plates.
Furthermore, in the supporting device, the adjusting mechanism comprises at least one adjusting sheet; at least one adjusting sheet is arranged between the middle part of the steering system and the two second mounting plates, so that the position of the middle part of the steering system between the two second mounting plates can be adjusted by increasing or decreasing the number of the adjusting sheets.
Furthermore, in the supporting device, the base is provided with a plurality of first mounting holes, the second bottom plate is provided with a plurality of third mounting holes, and each third mounting hole is connected with part of the first mounting holes through a bolt.
Further, in the above-described support device, the third support mechanism includes: a third bottom plate, a connecting plate and a mounting shaft; the third base plate is connected with the base in a position-adjustable mode, the connecting plate is connected with the third base plate, the mounting shaft is obliquely arranged on the connecting plate, and the mounting shaft is provided with a spline to be connected with the tail portion of the steering system.
Furthermore, in the supporting device, the base is provided with a plurality of first mounting holes, the third bottom plate is provided with a plurality of fourth mounting holes, and each fourth mounting hole is connected with part of the first mounting holes through a bolt.
In the utility model, the first support mechanism, the second support mechanism and the third support mechanism are used for supporting the steering system together, the steering system can be stably fixed, the positions of the first supporting mechanism, the second supporting mechanism and the third supporting mechanism on the base can be adjusted according to the mounting position and the mounting state of the steering system on the whole vehicle, so that the mounting condition of the steering system on the whole vehicle can be conveniently simulated, thereby facilitating the detection of the NVH performance of the steering system, testing the vibration durability and noise condition of each part, improving the accuracy of the NVH performance detection, reducing the detection error, in addition, the structure is simple, the weight is light, the accuracy of NVH performance detection is further guaranteed, and the problem that the accuracy of the NVH performance detection result is easily influenced because the fixing device of the automobile steering system in the prior art cannot simulate the installation state of the automobile steering system on the whole automobile is solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a supporting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first supporting mechanism in the supporting device according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second supporting mechanism in the supporting device according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third supporting mechanism in the supporting device according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a base in the supporting device according to the embodiment of the present invention;
fig. 6 is a schematic structural view of the supporting device according to the embodiment of the present invention in use.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 and 6, a preferred structure of a supporting device provided by an embodiment of the present invention is shown. The supporting device is used for supporting the steering system of the automobile, and the supporting device is detachably arranged on the NVH test bed, so that the steering system and the NVH test bed are relatively fixed, and the NVH test bed is convenient for performing performance detection on the steering system.
As shown, the supporting device includes: the device comprises a base 1, a first supporting mechanism 2, a second supporting mechanism 3 and a third supporting mechanism 4. Wherein, base 1 and NVH test bench detachably are connected, and preferably, base 1 and NVH test bench pass through bolted connection.
The first support means 2 is connected to the base 1 in a position-adjustable manner, i.e. the position of the first support means 2 on the base 1 is adjustable. Referring to fig. 6, the first support mechanism 2 is used to support a portion of the steering system 5 near the steering wheel 6. When the whole automobile is installed, the top of the steering system 5 is connected with the steering wheel 6, and the first supporting mechanism 2 supports the top of the steering system 5.
The second support mechanism 3 is connected to the base 1 in a position-adjustable manner, i.e. the position of the second support mechanism 3 on the base 1 is adjustable, and the second support mechanism 3 is used for supporting the middle part of the steering system 5.
The third support mechanism 4 is connected to the base 1 in a position-adjustable manner, that is, the position of the third support mechanism 4 on the base 1 is adjustable, and the third support mechanism 4 is used for supporting the tail of the steering system 5.
It can be seen that in the present embodiment, the steering system 5 is supported by the first support mechanism 2, the second support mechanism 3 and the third support mechanism 4 together, the steering system 5 can be stably fixed, and can adjust the positions of the first supporting mechanism 2, the second supporting mechanism 3 and the third supporting mechanism 4 on the base 1 according to the installation position and the installation state of the steering system 5 on the whole vehicle, so as to be convenient for simulating the installation condition of the steering system 5 on the whole vehicle, thereby being convenient for detecting the NVH performance of the steering system 5, testing the vibration endurance and noise conditions of each part, improving the accuracy of the NVH performance detection, reducing the detection error, in addition, the structure is simple, the weight is light, the accuracy of NVH performance detection is further guaranteed, and the problem that the accuracy of the NVH performance detection result is easily influenced because the fixing device of the automobile steering system in the prior art cannot simulate the installation state of the automobile steering system on the whole automobile is solved.
Referring to fig. 1 and 2, in the above embodiment, the first support mechanism 2 includes: a first base plate 21, a support bracket 22 and a first mounting plate 23. The first base plate 21 is connected to the base 1 in a position-adjustable manner, i.e., the position of the first base plate 21 on the base 1 is adjustable, so that the position of the first base plate 21 is adjusted according to the installation position of the steering system 5 on the entire vehicle.
Preferably, referring to fig. 5, the base 1 is provided with a plurality of first mounting holes 11, and the first mounting holes 11 are arranged on the base 1 not uniformly but according to actual conditions. When the novel multifunctional supporting device is specifically implemented, the first mounting holes 11 are arranged in a non-equidistant mode to be assembled with supporting mechanisms of parts of different models, sharing and quick switching of different products are achieved, and the application range is expanded. In specific implementation, the number of the first mounting holes 11 may be determined according to actual situations, and the embodiment does not limit this.
The first base plate 21 is provided with a plurality of second mounting holes 211, and each second mounting hole 211 is connected with a part of the first mounting holes 11 through bolts. Specifically, according to the installation condition of the steering system 5 on the whole vehicle, the position of the first bottom plate 21 on the base 1 is determined, and then the second installation holes 211 on the first bottom plate 21 are connected with the first installation holes 11 at the corresponding positions on the base 1 through bolts.
A first end (a lower end shown in fig. 2) of the support frame 22 is connected to the first base plate 21, a second end (an upper end shown in fig. 2) of the support frame 22 is connected to a first mounting plate 23 in an angle-adjustable manner, and the first mounting plate 23 is detachably connected to a portion of the steering system 5 near the steering wheel 6. Specifically, the angle between the second ends of the first mounting plate 23 and the support frame 22 can be adjusted according to the inclination angle of the portion of the steering system 5 close to the steering wheel 6 in the vehicle-finishing state, so that the inclination angle of the first mounting plate 23 is matched with the inclination angle of the portion of the steering system 5 close to the steering wheel 6, and further the first mounting plate 23 is ensured to be in contact with the portion of the steering system 5 close to the steering wheel 6, and the first mounting plate 23 and the portion of the steering system 5 close to the steering wheel 6 can be connected through bolts, so that detachable connection is realized.
In an implementation, the second end of the supporting frame 22 may be detachably connected to the first mounting plate 23, preferably, by a bolt. The first end of the support frame 22 and the first bottom plate 21 are welded by carbon dioxide arc welding to ensure strength and rigidity.
It can be seen that, in this embodiment, the angle between the first mounting plate 23 and the support frame 22 is adjusted according to the inclination angle of the portion of the steering system 5 close to the steering wheel 6 in the vehicle-finished state, so that the mounting condition of the steering system 5 on the vehicle can be better simulated, and the position of the first bottom plate 21 on the base 1 can be adjusted, so that the mounting position of the portion of the steering system 5 close to the steering wheel 6 in the vehicle-finished state can also be simulated, and the accuracy of NVH performance detection is effectively improved.
Referring to fig. 2, in the above embodiment, the first support mechanism 2 may further include: an adjustment body 24 and at least one adjustment pad. Wherein, the bottom surface of the adjusting body 24 is connected with the second end of the supporting frame 22, and the top surface of the adjusting body 24 is inclined, i.e. the top surface is an inclined surface. The top surface of the adjusting body 24 is in contact with and connected to the first mounting plate 23, and the connection may be a detachable connection, such as a bolt connection.
During specific implementation, the top surface of the adjusting body 24 and the first mounting plate 23 are welded by carbon dioxide arc welding to ensure strength and rigidity.
At least one adjusting gasket can be clamped between the top surface of the adjusting body 24 and the first mounting plate 23, so as to adjust the inclination angle of the first mounting plate 23 by increasing or decreasing the number of the adjusting gaskets.
During the use, according to the inclination of the position that steering system 5 is close to steering wheel 6 under the whole car state, adjust the inclination of first mounting panel 23, if the degree of inclination of the adjusting body 24 top surface can make the degree of inclination phase-match of first mounting panel 23 and the position that steering system 5 is close to steering wheel 6, then need not to set up between the top surface of adjusting body 24 and first mounting panel 23 and adjust the gasket. If the inclination degree of the top surface of the adjusting body 24 cannot match the inclination degree of the first mounting plate 23 and the part of the steering system 5 close to the steering wheel 6, an adjusting gasket is clamped between the top surface of the adjusting body 24 and the first mounting plate 23, and the number of the adjusting gaskets is determined according to actual conditions to adjust the inclination degree of the first mounting plate 23 and ensure that the first mounting plate 23 is in contact with the part of the steering system 5 close to the steering wheel 6.
It can be seen that, in this embodiment, the first mounting plate 23 can be inclined by the inclination of the top surface of the adjusting body 24 to adapt to the inclination of the portion of the steering system 5 close to the steering wheel 6, and the inclination angle of the first mounting plate 23 can be adjusted by increasing or decreasing the adjusting gasket, so that the inclination degree of the portion of the steering system 5 close to the steering wheel 6 in the vehicle-finishing state can be better adapted, and the installation condition of the steering system 5 on the vehicle can be accurately simulated.
Referring to fig. 2, in the above embodiments, the supporting frame 22 may include: a cross beam 222 and two longitudinal beams 221. The two longitudinal beams 221 are arranged in parallel, that is, the two longitudinal beams 221 are parallel, and a preset distance is provided between the two longitudinal beams 221, and the preset distance may be determined according to actual situations, which is not limited in this embodiment.
The first ends of two longerons 221 all are connected with first bottom plate 21, and the second end of two longerons 221 all is connected with first mounting panel 23 angularly adjustable to, the second end of two longerons 221 all can dismantle with first mounting panel 23 and be connected. The cross beam 222 is transversely disposed between the two longitudinal beams 221, and specifically, two ends of the cross beam 222 are respectively connected to the two longitudinal beams 221 in a one-to-one correspondence.
In specific implementation, the number of the cross beams 222 may be two, three, or more, and the number of the cross beams 222 may be determined according to actual situations in this embodiment, which is not limited in this embodiment. When there are at least two cross members 222, the cross members 222 are arranged in parallel and uniformly between the two longitudinal members 221.
In a specific implementation, there may be two adjusting bodies 24, the two adjusting bodies 24 correspond to the second ends of the two longitudinal beams 221 one by one, and the bottom surface of each adjusting body 24 is connected to the second end of the corresponding longitudinal beam 221.
In a specific implementation, the first bottom plate 21 may be a split type, that is, the first bottom plate 21 may include: the first ends of the two longitudinal beams 221 are respectively connected with the two first bottom plate sub-plates in a one-to-one correspondence manner.
It can be seen that, in the present embodiment, the two longitudinal beams 221 are disposed to stably support the first mounting plate 23, the cross beam 222 is disposed to improve the strength of the support frame, and the two longitudinal beams 221 and the cross beam 222 form an "H" shaped structure, so that the support frame is more stable and reliable, and further, the portion of the steering system 5 close to the steering wheel 6 can be stably supported.
Referring to fig. 1, 3 and 6, in each of the above embodiments, the second supporting mechanism 3 may include: the adjusting mechanism, the second bottom plate 31, the support frame and two second mounting plates 33. The second base plate 31 is connected to the base 1 in a position-adjustable manner, i.e., the position of the second base plate 31 on the base 1 is adjustable, so that the position of the second base plate 31 can be adjusted according to the installation condition of the steering system 5 on the entire vehicle.
Preferably, referring to fig. 5, the base 1 is provided with a plurality of first mounting holes 11, and the first mounting holes 11 are arranged on the base 1 not uniformly but according to actual conditions. The second base plate 31 is opened with a plurality of third mounting holes 311, and each third mounting hole 311 is connected with a part of the first mounting holes 11 by bolts. Specifically, according to the installation condition of the steering system 5 on the entire vehicle, the position of the second base plate 31 on the base 1 is determined, and then each third installation hole 311 on the second base plate 31 is connected with the first installation hole 11 at the corresponding position on the base 1 through a bolt.
A first end (a lower end shown in fig. 3) of the support beam 32 is connected to the second bottom plate 31, and specifically, the support beam 32 is vertical, and the support beam 32 is disposed perpendicular to the second bottom plate 31.
The two second mounting plates 33 are arranged in parallel, and a preset distance is formed between the two second mounting plates 33, and the preset distance can be determined according to actual conditions, which is not limited in this embodiment. The second end (the upper end shown in fig. 3) of the supporting beam 32 is connected to both the two second mounting plates 33, specifically, the two second mounting plates 33 are vertically disposed on the end surface of the second end of the supporting beam 32, and the length direction (the direction from left to right shown in fig. 3) of the two second mounting plates 33 is perpendicular to the second bottom plate 31.
The middle portion of the steering system 5 is interposed between the two second mounting plates 33, and the middle portion of the steering system 5 and the two second mounting plates 33 are both detachably connected. Preferably, the middle portion of the steering system 5 is bolted to the two second mounting plates 33. Specifically, the two second mounting plates 33 are provided with through holes, the middle part of the steering system 5 is provided with a through hole, and the bolt is connected with the nut after penetrating through the two through holes and the through hole.
The adjusting mechanism is arranged between the two second mounting plates 33 and used for adjusting the position of the middle part of the steering system 5 between the two second mounting plates 33, so that the position of the middle part of the steering system 5 can be matched with the position of the whole vehicle in a vehicle state.
In specific implementation, the first end of the support beam 32 and the second bottom plate 31 and the second end of the support beam 32 and the two second mounting plates 33 are welded by carbon dioxide arc welding to ensure strength and rigidity.
In an implementation, a cover plate 35 may be further disposed between the second end of the support beam 32 and the two second mounting plates 33. Specifically, a cover plate 35 is connected to the second end of the support beam 32, and two second mounting plates 33 are disposed on the cover plate 35. More specifically, the cover plate 35 and the second end of the support beam 32, and the two second mounting plates 33 and the cover plate 35 are welded by carbon dioxide arc welding to ensure strength and rigidity.
It can be seen that, in this embodiment, the position of the middle portion of the steering system 5 between the two second mounting plates 33 is adjusted by the adjusting mechanism to match the mounting position of the middle portion of the steering system 5 in the vehicle-finishing state, so as to better simulate the mounting condition of the middle portion of the steering system 5 on the vehicle-finishing state, and the position of the second bottom plate 31 on the base 1 is adjustable, so that the mounting position of the middle portion of the steering system 5 in the vehicle-finishing state can also be simulated, and the accuracy of NVH performance detection is effectively improved.
Referring to fig. 3, in the above embodiment, the adjusting mechanism includes: at least one tab 34. At least one adjusting tab 34 is disposed between the middle portion of the steering system 5 and the two second mounting plates 33, and specifically, referring to fig. 3, the two second mounting plates 33 are respectively referred to as a left second mounting plate and a right second mounting plate. At least one adjusting piece 34 is arranged between the middle part of the steering system 5 and the right second mounting plate, and at least one adjusting piece 34 is also arranged between the middle part of the steering system 5 and the left second mounting plate, so that the position of the middle part of the steering system 5 between the two second mounting plates 33 can be adjusted by increasing or decreasing the number of the adjusting pieces 34.
During the concrete implementation, the through-hole has been seted up to adjustment sheet 34, and the through-hole of adjustment sheet 34 still can be worn to establish by the bolt when wearing to establish the through-hole of two second mounting panels 33 and the through-hole of the middle part of a steering system 5 to the bolt is connected with the nut, in order to realize being connected dismantled between the middle part of a steering system 5 and two second mounting panels 33.
When in use, the position of the middle part of the steering system 5 between the two second mounting plates 33 is determined according to the position of the middle part of the steering system 5 in the vehicle-finishing state, the middle part of the steering system 5 is ensured to be stably kept at the position, an adjustment flap 34 is provided between the middle portion of the steering system 5 and the left second mounting plate, and, the adjusting sheets 34 are also arranged between the middle part of the steering system 5 and the right second mounting plate, the number of the adjusting sheets 34 on the left side and the right side of the middle part of the steering system 5 is ensured to ensure that the position of the middle part of the steering system 5 between the two second mounting plates 33 is matched with the position of the whole vehicle, the adjusting pieces 34 on the left and right sides of the middle portion of the steering system 5 are in contact with the middle portion of the steering system 5, and sandwich and fix the middle portion of the steering system 5, thereby preventing the middle portion of the steering system 5 from moving.
It can be seen that, in the embodiment, the position of the middle part of the steering system 5 is adjusted by increasing or decreasing the adjusting sheet 34 between the middle part of the steering system 5 and the two second mounting plates 33 so as to match the mounting position of the middle part of the steering system 5 in the vehicle-finished state, so that the mounting condition of the middle part of the steering system 5 on the vehicle-finished state is better simulated, and the accuracy of the NVH performance detection is improved.
Referring to fig. 1, 4 and 6, in the above embodiments, the third support mechanism 4 includes: third base plate 41, connecting plate 42 and mounting shaft 43. The third base plate 41 is connected to the base 1 in a position-adjustable manner, that is, the position of the third base plate 41 on the base 1 is adjustable, so that the position of the third base plate 41 is adjusted according to the installation condition of the steering system 5 on the entire vehicle.
Preferably, referring to fig. 5, the base 1 is provided with a plurality of first mounting holes 11, and the first mounting holes 11 are arranged on the base 1 not uniformly but according to actual conditions. The third base plate 41 is opened with a plurality of fourth mounting holes 411, and each fourth mounting hole 411 is connected to a part of the first mounting holes 11 by bolts. Specifically, according to the installation condition of the steering system 5 on the entire vehicle, the position of the third bottom plate 41 on the base 1 is determined, and then the fourth installation holes 411 on the third bottom plate 41 are connected with the first installation holes 11 at the corresponding positions on the base 1 through bolts.
The connecting plate 42 is connected to the third base plate 41, and the connecting plate 42 is perpendicular to the third base plate 41. The mounting shaft 43 is obliquely provided to the link plate 42, and an angle between the mounting shaft 43 and the link plate 42 may be determined according to a position where the tail of the steering system 5 is located in a full vehicle state. That is, since the tail portion of the steering system 5 is in the inclined state in the entire vehicle state, the degree of inclination of the mounting shaft 43 is the same as that of the tail portion of the steering system 5. The rear portion of the steering system 5 is provided with a spline structure, and the mounting shaft 43 is also provided with a spline to match and connect with the rear portion of the steering system 5.
During specific implementation, the connecting plate 42 and the third bottom plate 41 and the mounting shaft 43 and the connecting plate 42 are welded by carbon dioxide arc welding to ensure strength and rigidity.
It can be seen that, in this embodiment, the third support mechanism 4 is connected with the tail portion of the steering system 5 through the mounting shaft 43, and the mounting shaft 43 is provided with a spline to better adapt to the structure at the tail portion of the steering system 5, so as to ensure that the mounting shaft 43 supports and fixes the tail portion of the steering system 5, and the position of the third bottom plate 41 on the base 1 is adjustable, so that the mounting position of the middle portion of the steering system 5 in the vehicle-finished state can be simulated, and the accuracy of the NVH performance detection is effectively improved.
With reference to fig. 1 to 6, the use of the support device is described: the base 1 is fixed on an NVH test bed through bolts, the first supporting mechanism 2, the second supporting mechanism 3 and the third supporting mechanism 4 are installed on the base 1 according to the installation position of the steering system 5 in the state of the whole vehicle, and the inclination degree of the first installation plate 23 in the first supporting mechanism 2 is adjusted according to the installation angle and the installation position of the steering system 5 in the state of the whole vehicle. First, the middle portion of the steering system 5 is fixed between the two second mounting plates 33 in the second support mechanism 3, and the adjustment piece 34 is added so that the position of the middle portion of the steering system 5 matches the position in the full vehicle state. The middle part of the steering system 5 is connected with the two second mounting plates 33 through bolts, but the torque is not tightened at the time. Then, the rear portion of the steering system 5 is bolted to the mounting shaft 43 in the third support mechanism 4, but torque is not tightened at this time. The steering system 5 is placed on the first mounting plate 23 of the first support mechanism 2 at a position close to the steering wheel 6, and is connected by bolts, and at this time, all the bolts are tightened to a predetermined torque. The steering wheel 6 is then mounted on the steering system 5 adjacent to the steering wheel 6. And finally, connecting the signal sensors on the NVH test bed to the part, the middle part and the tail part of the steering system 5, which are close to the steering wheel 6, and the first supporting mechanism 2, the second supporting mechanism 3 and the third supporting mechanism 4, starting the power supply of the NVH test bed, and starting the test software to start the test. And after data are collected, closing the NVH test bed, taking down each part of the steering system 5, and ending the test.
In summary, in this embodiment, the steering system 5 is supported by the first support mechanism 2, the second support mechanism 3 and the third support mechanism 4 together, the steering system 5 can be stably fixed, and the positions of the first support mechanism 2, the second support mechanism 3 and the third support mechanism 4 on the base 1 can be adjusted according to the installation position and the installation state of the steering system 5 on the whole vehicle, so as to facilitate the simulation of the installation condition of the steering system 5 on the whole vehicle, further facilitate the detection of the NVH performance of the steering system 5, improve the accuracy of the detection of the NVH performance, reduce the detection error, and further ensure the accuracy of the detection of the NVH performance, and the structure is simple, the weight is light, and the detection of the NVH performance is accurate.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A support device, comprising: the device comprises a base (1), a first supporting mechanism (2), a second supporting mechanism (3) and a third supporting mechanism (4); wherein,
the base (1) is used for being detachably connected with the NVH test bed;
the first supporting mechanism (2) is connected with the base (1) in a position-adjustable manner and is used for supporting the part, close to the steering wheel (6), of the steering system (5);
the second supporting mechanism (3) is connected with the base (1) in a position-adjustable manner and is used for supporting the middle part of the steering system (5);
the third supporting mechanism (4) is connected with the base (1) in a position-adjustable manner and is used for supporting the tail of the steering system (5).
2. The supporting device according to claim 1, characterized in that the first supporting means (2) comprise: the device comprises a first bottom plate (21), a support frame (22) and a first mounting plate (23); wherein,
the first bottom plate (21) is connected with the base (1) in a position-adjustable mode, the first end of the supporting frame (22) is connected with the first bottom plate (21), the second end of the supporting frame (22) is connected with the first mounting plate (23) in an angle-adjustable mode, and the first mounting plate (23) is detachably connected with a portion, close to the steering wheel (6), of the steering system (5).
3. The support device according to claim 2, characterized in that the first support means (2) further comprise:
the bottom surface of the adjusting body (24) is connected with the second end of the supporting frame (22), and the top surface of the adjusting body (24) is in an inclined state and is connected with the first mounting plate (23);
at least one adjusting gasket is clamped between the top surface of the adjusting body (24) and the first mounting plate (23) so as to adjust the inclination angle of the first mounting plate (23) by increasing or decreasing the number of the adjusting gaskets.
4. The support device according to claim 2, characterized in that the support frame (22) comprises:
the first ends of the two longitudinal beams (221) are connected with the first bottom plate (21) in parallel, the second ends of the two longitudinal beams are connected with the first mounting plate (23) in an angle-adjustable manner, and a preset distance is reserved between the two longitudinal beams (221);
and the cross beam (222) is transversely arranged between the two longitudinal beams (221).
5. The supporting device according to claim 2, wherein the base (1) is provided with a plurality of first mounting holes (11), the first bottom plate (21) is provided with a plurality of second mounting holes (211), and each second mounting hole (211) is connected with a part of the first mounting holes (11) through bolts.
6. The supporting arrangement according to claim 1, characterized in that the second supporting means (3) comprise: the adjusting mechanism, the second bottom plate (31), the supporting beam (32) and two second mounting plates (33) which are arranged in parallel; wherein,
the second bottom plate (31) is connected with the base (1) in a position-adjustable manner, a first end of the supporting beam (32) is connected with the second bottom plate (31), and a second end of the supporting beam (32) is connected with both the second mounting plates (33);
a preset distance is reserved between the two second mounting plates (33), and the middle part of the steering system (5) is clamped between the two second mounting plates (33) and detachably connected with the two second mounting plates (33);
the adjusting mechanism is arranged between the two second mounting plates (33) and used for adjusting the position of the middle part of the steering system (5) between the two second mounting plates (33).
7. The support device of claim 6,
the adjustment mechanism includes at least one adjustment tab (34);
at least one adjusting sheet (34) is arranged between the middle part of the steering system (5) and the two second mounting plates (33), so that the position of the middle part of the steering system (5) between the two second mounting plates (33) is adjusted by increasing or decreasing the number of the adjusting sheets (34).
8. The supporting device as claimed in claim 6, wherein the base (1) is provided with a plurality of first mounting holes (11), the second bottom plate (31) is provided with a plurality of third mounting holes (311), and each third mounting hole (311) is connected with a part of the first mounting holes (11) through a bolt.
9. The supporting arrangement according to claim 1, characterized in that the third supporting means (4) comprise: a third bottom plate (41), a connecting plate (42) and a mounting shaft (43); wherein,
the third base plate (41) is connected with the base (1) in a position-adjustable manner, the connecting plate (42) is connected with the third base plate (41), the mounting shaft (43) is obliquely arranged on the connecting plate (42), and the mounting shaft (43) is provided with splines to be connected with the tail of the steering system (5).
10. The supporting device as claimed in claim 9, wherein the base (1) is provided with a plurality of first mounting holes (11), the third bottom plate (41) is provided with a plurality of fourth mounting holes (411), and each fourth mounting hole (411) is connected with a part of the first mounting holes (11) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557104.7U CN210923100U (en) | 2019-09-18 | 2019-09-18 | Supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557104.7U CN210923100U (en) | 2019-09-18 | 2019-09-18 | Supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923100U true CN210923100U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921557104.7U Active CN210923100U (en) | 2019-09-18 | 2019-09-18 | Supporting device |
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| Country | Link |
|---|---|
| CN (1) | CN210923100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608845A (en) * | 2022-03-08 | 2022-06-10 | 苏州睿集汽车技术有限公司 | EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile |
-
2019
- 2019-09-18 CN CN201921557104.7U patent/CN210923100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608845A (en) * | 2022-03-08 | 2022-06-10 | 苏州睿集汽车技术有限公司 | EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile |
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