CN111267599A - Suspension adjusting device - Google Patents

Abstract

The invention relates to the technical field of suspension adjustment and calibration, and discloses a suspension adjustment and calibration device, which comprises: two mounting brackets, each said mounting bracket including: the lower supporting plate is rotatably connected with one end of the upper supporting plate, at least one first hinged support and a second hinged support corresponding to the first hinged support are respectively arranged on the opposite sides of the lower supporting plate and the upper supporting plate, the lower supporting plate is used for being connected with a frame or a power assembly, and the other side of the upper supporting plate is respectively used for being connected with a suspension to be detected; the telescopic rod is further arranged, one end of the telescopic rod is hinged to the first hinged support, and the other end of the telescopic rod is hinged to the second hinged support. The invention can solve the problems that the mounting angle of the suspension cannot be adjusted, the universality is poor and the adjustment time is wasted in the suspension device in the prior art.

Description

A suspension adjustment device

technical field

The invention relates to the technical field of suspension adjustment, in particular to a suspension adjustment device.

Background technique

The engine mount system is used to support the weight of the power unit, suppress the dynamic displacement of the power unit due to external forces including internal reaction forces, and prevent the vibration force from the engine, etc. from being transmitted to the vehicle body. It is a buffer system.

In the design process of the mounting system, it is necessary to decouple and analyze the vibration isolation simulation of the mounting position, angle, stiffness and other parameters, confirm the initial plan, and then seek the best layout method through adjustment and testing. Figure 1 shows the mounting A schematic diagram of the system layout, Figure 2 is a schematic diagram of the angle of the suspension layout. In the existing suspension adjustment scheme, it is necessary to trial-manufacture the mount (samples with different mounting stiffness parameters) and the mount bracket (samples with different angle parameters), and then conduct vibration isolation and decoupling verification on the real vehicle.

Chinese invention patent CN106379153A discloses a suspension rigidity adjustable mechanism, which includes an upper cover plate, a fixing bolt, a rubber body, a lower bottom plate and an adjustment mechanism; one structure.

However, the device cannot adjust the installation angle of the suspension, and has poor versatility. The adjustment process wastes time for sample production, and it is inconvenient to replace the suspension.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the purpose of the present invention is to provide a suspension adjustment device, which can solve the problems of the suspension device in the prior art that the installation angle of the suspension cannot be adjusted, the versatility is poor, and the adjustment time is wasted.

In order to achieve the above purpose, the technical solution adopted by the present invention is: the present invention provides a suspension adjustment device, comprising:

Two mounting brackets, each including:

- a lower support plate and an upper support plate, the lower support plate is rotatably connected to one end of the upper support plate, and the opposite sides of the lower support plate and the upper support plate are respectively provided with at least a first hinged support and a corresponding first hinge support Two hinged supports, the lower support plate is used to connect with the frame or the powertrain, and the other side of the upper support plate is used to connect with the suspension to be inspected;

- a telescopic rod, one end of which is hinged with the first hinged support and the other end is hinged with the second hinged support.

On the basis of the above technical solutions, the first hinged support is provided with a hinged hole, the second hinged support is provided with a set number of hinged holes at intervals, and one end of the telescopic rod can be connected to Any hinge hole on the second hinge support is hinged.

On the basis of the above technical solution, the telescopic rod includes:

an upper support arm, one end of which is hinged with the first hinged support, and the other end is provided with a first external thread;

a lower support arm, one end of which is hinged with the second hinged support, and the other end is provided with a second external thread;

The sleeve is provided with an internal thread matching the first external thread and the second external thread.

On the basis of the above technical solution, the rotation directions of the first external thread and the second external thread are opposite.

On the basis of the above technical solution, the hinge end of the upper support arm is provided with two telescopic hinge columns, which are hinged with the first hinge support through the hinge columns.

On the basis of the above technical solution, the upper support arm is provided with a accommodating cavity, the accommodating cavity is provided with an elastic device, and the two hinged posts are arranged on the elastic device and can penetrate and retract to any position. the accommodating chamber.

On the basis of the above technical solutions, the elastic device is a U-shaped elastic sheet, the hinge column is provided at the connecting end of the U-shaped elastic sheet, and the open end of the U-shaped elastic sheet is accommodating the drive column of the cavity.

On the basis of the above technical solution, it also includes a connecting plate, one side of which is connected to the other side of the upper support plate, and the other side is provided with a connecting stud for connecting the suspension to be inspected.

On the basis of the above technical solutions, two first hinged supports and corresponding second hinged supports are respectively provided on opposite sides of the lower support plate and the upper support plate.

On the basis of the above technical solutions, one end of the lower support plate and the upper support plate are rotatably connected through a pin shaft.

Compared with the prior art, the present invention has the advantages that: when the suspension adjusting device is used, the lower support plates of the two mounting brackets are respectively connected to the vehicle frame or the power assembly, and the upper support plates of the two mounting brackets are The other side of the plate is respectively used for connection with the suspension to be inspected. When the angle of the suspension to be inspected needs to be adjusted, the lengths of the telescopic rods of the two mounting brackets are adjusted at the same time, thereby adjusting the detection angle of the suspension to be inspected. The device can easily adjust the angle of the suspension to be inspected, avoids the problem that the adjustment device cannot adjust the installation angle of the suspension in the prior art, has poor versatility, and needs to remake the adjustment device, and saves the time for adjustment. .

Description of drawings

FIG. 1 is a schematic diagram of the arrangement of a suspension system in an embodiment of the present invention;

2 is a schematic diagram of a suspension arrangement angle in an embodiment of the present invention;

3 is a schematic diagram of the installation of the suspension adjustment device in the embodiment of the present invention;

4 is a three-dimensional schematic diagram of the installation of the suspension adjustment device in the embodiment of the present invention;

5 is a schematic structural diagram of a mounting bracket in an embodiment of the present invention;

FIG. 6 is a schematic diagram of adjusting the angle of the suspension to be inspected in an embodiment of the present invention;

7 is a schematic structural diagram of an upper support plate in an embodiment of the present invention;

8 is a schematic structural diagram of a lower support plate in an embodiment of the present invention;

9 is a schematic structural diagram of a telescopic rod in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of the connection between the suspension to be inspected and the connection board in the embodiment of the present invention.

In the figure: 1, mounting bracket; 11, lower support plate; 12, upper support plate; 111, first hinged support; 112, lower connecting stud; 113, pin hole; 121, second hinged support; 122, Upper connecting stud; 13, telescopic rod; 131, upper support arm; 1311, hinged column; 1312, elastic device; 1313, drive column; 132, lower support arm; 133, sleeve; 14, pin shaft; 2, car 3. Powertrain; 4. Suspension to be inspected; 5. Connecting plate; 51. Connecting stud.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

3 is a schematic diagram of the installation of the suspension adjustment device in the embodiment of the present invention; FIG. 4 is a three-dimensional schematic diagram of the installation of the suspension adjustment device in the embodiment of the present invention; FIG. 5 is a schematic structural diagram of the installation bracket in the embodiment of the present invention; As shown in Figure 5: the present invention provides a suspension adjustment device, including:

Two mounting brackets 1, each mounting bracket 1 includes: a lower support plate 11 and an upper support plate 12, the lower support plate 11 is rotatably connected to one end of the upper support plate 12, the opposite side of the lower support plate 11 and the upper support plate 12 At least one first hinged support 111 and its corresponding second hinged support 121 are respectively provided, the lower support plate 11 is used to connect with the frame 2 or the power assembly 3, and the other side of the upper support plate 12 is used for in connection with the suspension 4 to be inspected;

It also includes a telescopic rod 13 , one end of which is hinged with the first hinged support 111 , and the other end is hinged with the second hinged support 121 .

FIG. 6 is a schematic diagram of adjusting the angle of the suspension to be inspected in the embodiment of the present invention. As shown in FIG. 6 , when the suspension adjustment device is used, the lower support plates 11 of the two mounting brackets 1 are connected to the vehicle frame 2 or the powertrain 3 respectively, and the upper support plates 12 of the two mounting brackets 1 are respectively connected The other side of , respectively, is used to connect with the suspension 4 to be inspected. When the angle of the suspension to be inspected 4 needs to be adjusted, the lengths of the telescopic rods 13 of the two mounting brackets 1 are adjusted at the same time, thereby adjusting the detection angle of the suspension to be inspected 4, that is, the angle of the suspension to be inspected ₄ is adjusted from α1 to α ₂ . The device can easily adjust the angle of the suspension 4 to be inspected, avoids the problem that the adjustment device cannot adjust the installation angle of the suspension in the prior art, has poor versatility, and needs to make a new adjustment device, and saves the time for adjustment. time.

In this embodiment, the vibration parameters of the frame 2 or the powertrain 3 are respectively measured during the adjustment, so as to obtain the vibration isolation rate corresponding to the angle of the mount 4 to be inspected. The upper support plate 12 is provided with an upper connecting stud 122 connected with the power assembly 3 , and the lower support plate 11 is provided with a lower connecting stud 112 connected with the vehicle frame 2 .

FIG. 7 is a schematic structural diagram of an upper support plate in an embodiment of the present invention; and FIG. 10 is a structural schematic diagram of a lower support plate in an embodiment of the present invention. As shown in Figure 7 and Figure 8:

Preferably, the first hinged support 111 is provided with a hinged hole, the second hinged support 121 is provided with a set number of hinged holes at intervals, and one end of the telescopic rod 13 can be connected with the second hinged support 121 Either hinge hole is hinged.

In this embodiment, the set number of hinge holes arranged at intervals on the second hinge support 121 are located in the vertical direction of the rotating shaft rotatably connected with the lower support plate 11 and the upper support plate 12. When adjusting the installation angle of the suspension , the position of the hinge hole on the telescopic rod 13 and the second hinge support 121 can be changed, thereby changing the installation angle of the adjustment suspension. In this embodiment, the second hinged support 121 is provided with seven hinged holes at intervals. In other embodiments, other numbers of hinged holes may be provided on the second hinged support 121 to better adjust the hanging installation angle.

FIG. 9 is a schematic structural diagram of a telescopic rod in an embodiment of the present invention. As shown in FIG. 9 : preferably, the telescopic rod 13 includes: an upper support arm 131, one end of which is hinged with the first hinged support 111, and the other end is provided with a first External thread; the lower support arm 132, one end of which is hinged with the second hinged support 121, and the other end is provided with a second external thread; the sleeve 133 is provided with an internal thread matching the first external thread and the second external thread .

In this embodiment, when the installation angle of the suspension needs to be adjusted, the upper support arm 131 or the lower support arm 132 can be removed, and the upper support arm 131 or the lower support arm 132 can be rotated relatively to adjust the rotation of the upper support arm 131 or the lower support arm 132 extends into the sleeve 133 to change the length of the telescopic rod 13 to achieve the purpose of changing the installation angle of the adjustable suspension.

Preferably, the directions of rotation of the first external thread and the second external thread are opposite. In this embodiment, the rotation direction of the thread in the sleeve 133 corresponds to the rotation direction of the first external thread and the second external thread. When the length of the telescopic rod 13 is extended, the upper support arm 131 or the lower support arm 132 can be directly By rotating the sleeve 133, the length of the telescopic rod 13 can be adjusted, which can save adjustment time.

Preferably, the hinged end of the upper support arm 131 is provided with two telescopic hinge columns 1311, which are hinged with the first hinge support 111 through the hinge columns.

In this embodiment, the two telescopic hinge posts 1311 are perpendicular to the axis of the upper support arm 131 and are in the same radial direction. When the hinge holes of the upper support arm 131 are replaced, the hinge posts 1311 can be directly compressed to move. The hinged position of the upper support arm 131 can save adjustment time.

Preferably, the upper support arm 131 is provided with an accommodating cavity, and the accommodating cavity is provided with an elastic device 1312, and the two hinge columns 1311 are provided on the elastic device 1312 and can penetrate and retract into the accommodating cavity.

In this embodiment, the accommodating cavity is provided with a through hole corresponding to the hinge column 1311, and the elastic device 1312 can allow the hinge column 1311 to penetrate and retract into the accommodating cavity. Such a design can facilitate the hinge column 1311 to be compressed into the accommodating cavity. . In this embodiment, the elastic device 1312 is an elastic sheet. In other embodiments, the elastic device 1312 can also use a spring.

Preferably, the elastic device 1312 is a U-shaped elastic piece, the hinge column 1311 is provided at the connecting end of the U-shaped elastic piece, and the open end of the U-shaped elastic piece is provided with a driving column 1313 that can penetrate and retract into the accommodating cavity.

In this embodiment, the receiving cavity is provided with a through hole corresponding to the driving column 1313 , and the axial direction of the driving column 1313 is perpendicular to the axial direction of the upper support arm 131 . When the hinge hole of the upper support arm 131 needs to be adjusted, pressing the driving column 1313 can drive the two hinge columns 1311 to pass through and retract into the accommodating cavity, which facilitates the bar adjustment of the hinge hole of the upper support arm 131 .

Fig. 10 is a schematic structural diagram of the connection between the suspension to be inspected and the connecting plate in the embodiment of the present invention, as shown in Fig. 10: preferably, the connecting plate 5 is also included, one side of which is connected to the other side of the upper support plate 12, and the other One side is provided with a connecting stud 51 for connecting the suspension 4 to be inspected.

In this embodiment, the connecting plate 5 is detachably connected to the upper support plate 12, and is provided with a suspension 4 for connecting to the suspension to be inspected. When the rigidity of the suspension to be inspected 4 needs to be adjusted, the suspension to be inspected 4 can be directly replaced. . In addition, when the model of the suspension 4 to be inspected is different, the connecting plate 5 can be disassembled and the connecting plate 5 can be replaced to adapt to the new type of the suspension 4 to be inspected. Such a design can quickly and conveniently replace the suspension 4 to be inspected. Save replacement time.

Referring to FIG. 4 again, preferably, the opposite sides of the lower support plate 11 and the upper support plate 12 are respectively provided with two first hinged supports 111 and corresponding second hinged supports 121 .

In this embodiment, the lower support plate 11 and the upper support plate 12 are provided with two first hinged supports 111 and corresponding second hinged supports 121, and are provided with two corresponding telescopic rods 13. This design can make The adjustment device is more stable during use, so as to maintain the stability of the suspension 4 to be inspected, so that the adjustment result is more accurate.

Referring to FIG. 8 , preferably, one end of the lower support plate 11 and the upper support plate 12 are rotatably connected through a pin shaft 14 . In this embodiment, the lower support plate 11 and the upper support plate 12 are rotatably connected by means of pins 14 to facilitate angle adjustment. In this embodiment, the upper support plate 12 is provided with a pin shaft 14 , and the lower support plate 11 is provided with a corresponding pin hole 113 . In other embodiments, other rotational connections such as hinges may also be used.

To sum up, when using the suspension adjustment device, the lower support plates of the two mounting brackets are respectively connected to the frame or the powertrain, and the other sides of the upper support plates of the two mounting brackets are used for Connect to the suspension to be tested. When the angle of the suspension to be inspected needs to be adjusted, the lengths of the telescopic rods of the two mounting brackets are adjusted at the same time, thereby adjusting the detection angle of the suspension to be inspected. The device can easily adjust the angle of the suspension to be inspected, avoids the problem that the adjustment device cannot adjust the installation angle of the suspension in the prior art, has poor versatility, and needs to remake the adjustment device, and saves adjustment time. . When adjusting the installation angle of the suspension, the positions of the telescopic rod and the hinge hole on the second hinged support can be changed, thereby changing the installation angle of the adjustment suspension. When the hinge hole of the upper support arm needs to be adjusted, pressing the driving column can drive the two hinge columns to pass through and retract into the accommodating cavity, and this design facilitates the bar adjustment of the hinge hole of the upper support arm.

The present invention is not limited to the above-mentioned best embodiment, anyone can draw other various forms of products under the inspiration of the present invention, but no matter if any changes are made in its shape or structure, all products with the same or similar characteristics as the present invention can be obtained. Similar technical solutions are within the scope of its protection.

Claims (10)

1. A suspension tuning device, comprising:

two mounting brackets (1), each mounting bracket (1) comprising:

-a lower support plate (11) and an upper support plate (12), the lower support plate (11) being rotatably connected to one end of the upper support plate (12), the opposite sides of the lower support plate (11) and the upper support plate (12) being provided with at least one first articulated support (111) and a second articulated support (121) corresponding thereto, respectively, the lower support plate (11) being intended to be connected to a vehicle frame (2) or a powertrain (3), the other side of the upper support plate (12) being intended to be connected to a suspension (4) to be tested, respectively;

-a telescopic rod (13) hinged at one end to said first hinged support (111) and at the other end to said second hinged support (121).

2. The suspension adjusting device of claim 1, wherein the first hinged support (111) is provided with a hinge hole, the second hinged support (121) is provided with a set number of hinge holes arranged at intervals, and one end of the telescopic rod (13) can be hinged with any hinge hole on the second hinged support (121).

3. The suspension adjustment device according to claim 2, characterized in that the telescopic rod (13) comprises:

one end of the upper supporting arm (131) is hinged with the first hinged support (111), and the other end of the upper supporting arm is provided with a first external thread;

one end of the lower supporting arm (132) is hinged with the second hinged support (121), and the other end of the lower supporting arm is provided with a second external thread;

and the sleeve (133) is internally provided with an internal thread matched with the first external thread and the second external thread.

4. The suspension adjustment device of claim 3, wherein: the first external thread and the second external thread are opposite in rotation direction.

5. The suspension adjustment device of claim 2, wherein: the hinged end of the upper supporting arm (131) is provided with two telescopic hinged columns (1311) which are hinged with the first hinged support (111) through the hinged columns.

6. The suspension tuning device of claim 4, wherein: an accommodating cavity is formed in the upper supporting arm (131), an elastic device (1312) is arranged in the accommodating cavity, and the two hinge columns (1311) are arranged on the elastic device (1312) and can penetrate out of and retract into the accommodating cavity.

7. The suspension adjustment device of claim 6, wherein: the elastic device (1312) is a U-shaped elastic sheet, the hinge column (1311) is arranged at the connecting end of the U-shaped elastic sheet, and a driving column (1313) capable of penetrating out of and retracting into the accommodating cavity is arranged at the opening end of the U-shaped elastic sheet.

8. The suspension adjusting device according to claim 1, further comprising a connecting plate (5) having one side connected to the other side of the upper support plate (12) and the other side provided with a connecting stud (51) for connecting the suspension (4) to be adjusted.

9. The suspension adjustment device according to claim 1, wherein the lower support plate (11) and the upper support plate (12) are provided with two first hinge supports (111) and second hinge supports (121) corresponding thereto, respectively, on opposite sides thereof.

10. The suspension tuning device of claim 1, wherein: the lower supporting plate (11) is rotatably connected with one end of the upper supporting plate (12) through a pin shaft (14).

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