CN111267599B

CN111267599B - Suspension adjusting device

Info

Publication number: CN111267599B
Application number: CN202010056058.3A
Authority: CN
Inventors: 齐伸翼; 刘方; 邓峰; 唐增虎; 刘利平
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-08-31
Anticipated expiration: 2040-01-17
Also published as: CN111267599A

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

Suspension adjusting device

Technical Field

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

Background

The engine mount system is a cushion system for supporting the weight of the power unit, suppressing dynamic displacement of the power unit due to external force including internal reaction force, and preventing transmission of vibration force from the engine and the like to the vehicle body.

In the design process of the suspension system, decoupling and vibration isolation simulation analysis needs to be carried out on parameters such as the arrangement position, angle and rigidity of the suspension, the initial scheme is confirmed, then the optimal arrangement mode is sought through adjustment and test, fig. 1 is a schematic diagram of the arrangement of the suspension system, and fig. 2 is a schematic diagram of the arrangement angle of the suspension. In the existing suspension adjusting scheme, a suspension (sample pieces with different suspension rigidity parameters) and a suspension bracket (sample pieces with different angle parameters) need to be manufactured in a trial mode, and then vibration isolation and decoupling verification are carried out on a real vehicle.

The Chinese invention patent CN106379153A discloses a suspension stiffness adjustable mechanism, which comprises an upper cover plate, a fixing bolt, a rubber body, a lower bottom plate and an adjusting mechanism; the fixing bolt is riveted with the upper cover plate, and the upper cover plate, the rubber body and the lower bottom plate are vulcanized into an integral structure.

But the installation angle of suspension can not be adjusted to the device, and the commonality is poor, and the adjustment process has wasted the sample preparation time, and is also inconvenient in the suspension change process.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a suspension adjusting device, which can solve the problems that the mounting angle of a suspension cannot be adjusted, the universality is poor and the adjusting time is wasted in the prior art.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the invention provides a suspension adjusting device, comprising:

two mounting brackets, each said mounting bracket including:

a lower support plate and an upper support plate, wherein the lower support plate is rotatably connected with one end of the upper support plate, the opposite sides of the lower support plate and the upper support plate are respectively provided with at least one first hinged support and a second hinged support corresponding to the first hinged support, the lower support plate is used for being connected with a vehicle frame or a power assembly, and the other side of the upper support plate is used for being connected with a suspension to be detected;

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

On the basis of the technical scheme, the first hinged support is provided with a hinged hole, the second hinged support is provided with hinged holes of a set number arranged at intervals, and one end of the telescopic rod can be hinged with any hinged hole in the second hinged support.

On the basis of the technical scheme, the telescopic rod comprises:

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

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

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

On the basis of the technical scheme, the screwing directions of the first external thread and the second external thread are opposite.

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

On the basis of the technical scheme, be equipped with in the upper support arm and hold the chamber, it is equipped with resilient means, two to hold the intracavity the hinge post is located resilient means is last and can pass out and contract extremely hold the chamber.

On the basis of the technical scheme, the elastic device is a U-shaped elastic sheet, the hinged column is arranged at the connecting end of the U-shaped elastic sheet, and the opening end of the U-shaped elastic sheet is provided with a driving column which can penetrate out of and contract into the accommodating cavity.

On the basis of the technical scheme, the device further comprises a connecting plate, one side of the connecting plate is connected with the other side of the upper supporting plate, and the other side of the connecting plate is provided with a connecting stud for connecting the suspension to be detected.

On the basis of the technical scheme, two first hinged supports and a second hinged support corresponding to the first hinged supports are respectively arranged on the opposite sides of the lower supporting plate and the upper supporting plate.

On the basis of the technical scheme, the lower supporting plate is rotatably connected with one end of the upper supporting plate through a pin shaft.

Compared with the prior art, the invention has the advantages that: when the suspension adjusting device is used, the lower supporting plates of the two mounting brackets are respectively connected with the frame or the power assembly, and the other sides of the upper supporting plates of the two mounting brackets are respectively used for being connected with the suspension to be detected. When the angle of the suspension to be detected needs to be adjusted, the lengths of the telescopic rods of the two mounting brackets are adjusted simultaneously, so that the detection angle of the suspension to be detected is adjusted. The device can follow the angle that the suspension was examined to convenient adjustment, has avoided prior art, and the installation angle of suspension can not be adjusted to the timing device, and the commonality is poor, needs the problem of makeed the timing device again, has practiced thrift the time of timing.

Drawings

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

FIG. 2 is a schematic view of the suspension arrangement angle in an embodiment of the present invention;

FIG. 3 is a schematic view of the installation of the suspension adjustment device according to the embodiment of the present invention;

FIG. 4 is a three-dimensional schematic view of the installation of the suspension adjustment device in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a mounting bracket according to an embodiment of the present invention;

FIG. 6 is a schematic diagram illustrating adjustment of a suspension angle to be inspected according to an embodiment of the present invention;

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

FIG. 8 is a schematic structural diagram of a lower support plate according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a telescoping rod according to an embodiment of the present invention;

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 invention.

In the figure: 1. mounting a bracket; 11. a lower support plate; 12. an upper support plate; 111. a first hinged support; 112. a lower connecting stud; 113. a pin hole; 121. a second hinged support; 122. an upper connecting stud; 13. a telescopic rod; 131. an upper support arm; 1311. a hinged column; 1312. an elastic device; 1313. a drive column; 132. a lower support arm; 133. a sleeve; 14. a pin shaft; 2. a frame; 3. a power assembly; 4. suspension to be detected; 5. a connecting plate; 51. and connecting a stud.

Detailed Description

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

FIG. 3 is a schematic view of the installation of the suspension adjustment device according to the embodiment of the present invention; FIG. 4 is a three-dimensional schematic view of the installation of the suspension adjustment device in an embodiment of the present invention; FIG. 5 is a schematic structural view of a mounting bracket according to an embodiment of the present invention; as shown in fig. 3 to 5: the invention provides a suspension adjusting device, comprising:

two installing support 1, every installing support 1 all includes: the lower support plate 11 and the upper support plate 12, the lower support plate 11 is rotatably connected with one end of the upper support plate 12, at least one first hinged support 111 and a second hinged support 121 corresponding to the first hinged support are respectively arranged on the opposite sides of the lower support plate 11 and the upper support plate 12, the lower support plate 11 is used for being connected with the frame 2 or the power assembly 3, and the other side of the upper support plate 12 is respectively used for being connected with the suspension 4 to be detected;

the telescopic rod 13 is further included, one end of the telescopic rod is hinged with the first hinged support 111, and the other end of the telescopic rod is hinged with the second hinged support 121.

FIG. 6 is a schematic diagram illustrating adjustment of the suspension angle to be inspected according to an 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 respectively connected with the frame 2 or the power assembly 3, and the other sides of the upper support plates 12 of the two mounting brackets 1 are respectively used for connecting with the suspension 4 to be detected. When the angle of the suspension 4 to be detected needs to be adjusted, the length of the telescopic rods 13 of the two mounting brackets 1 is adjusted simultaneously, so that the detection angle of the suspension 4 to be detected is adjusted, namely the angle of the suspension 4 to be detected is adjusted from alpha₁Adjusted to alpha₂. The device can follow convenient adjustment and wait to examine the angle of waiting to examine suspension 4, has avoided prior art, and the installation angle of suspension can not be adjusted to the timing device, and the commonality is poor, needs the problem of makeed the timing device again, has practiced thrift the time of timing.

In this embodiment, during tuning, vibration parameters of the frame 2 or the powertrain 3 are measured respectively to obtain the vibration isolation rate of the suspension 4 to be tested corresponding to the angle. 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 frame 2.

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

preferably, the first hinge support 111 is provided with a hinge hole, the second hinge 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 hinge support 121.

In this embodiment, the hinge holes of the second hinge support 121 are spaced apart from each other by a predetermined amount and are perpendicular to the rotation shaft rotatably connected to the lower support plate 11 and the upper support plate 12, so that when the installation angle of the suspension is adjusted, the positions of the hinge holes of 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, 7 hinge holes are spaced apart from each other on the second hinge support 121, and in other embodiments, other numbers of hinge holes may be disposed on the second hinge support 121 to better adjust the installation angle of the suspension.

Fig. 9 is a schematic structural view of the telescopic rod in the embodiment of the present invention, as shown in fig. 9: preferably, the telescopic rod 13 comprises: an upper support arm 131, one end of which is hinged to the first hinge support 111 and the other end of which is provided with a first external thread; a lower support arm 132 having one end hinged to the second hinge support 121 and the other end provided with a second external thread; a sleeve 133 having an internal thread therein matching the first and second external threads.

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 relatively rotated to adjust the length of the upper support arm 131 or the lower support arm 132 extending into the sleeve 133, so as to change the length of the telescopic rod 13, thereby achieving the purpose of adjusting the installation angle of the suspension.

Preferably, the first external thread and the second external thread have opposite directions of rotation. In this embodiment, the screwing direction of the screw thread in the sleeve 133 corresponds to the screwing direction of the first external screw thread and the second external screw thread, and the length of the telescopic rod 13 can be adjusted by directly rotating the sleeve 133 without taking down the upper support arm 131 or the lower support arm 132 during the length of the telescopic rod 13, thereby saving the adjustment time.

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

In this embodiment, the two telescopic hinge columns 1311 are perpendicular to the axis of the upper support arm 131 and in the same radial direction, and when the hinge holes of the upper support arm 131 are replaced, the hinge columns 1311 can be directly compressed, that is, the hinge position of the upper support arm 131 can be moved, so that the adjustment time can be saved.

Preferably, a containing cavity is arranged in the upper support arm 131, an elastic device 1312 is arranged in the containing cavity, and two hinge columns 1311 are arranged on the elastic device 1312 and can penetrate out of and retract into the containing cavity.

In the embodiment, the accommodating cavity is provided with a through hole corresponding to the hinge pillar 1311, and the elastic device 1312 enables the hinge pillar 1311 to penetrate out of and retract into the accommodating cavity, so that the hinge pillar 1311 can be conveniently compressed into the accommodating cavity. In this embodiment, the elastic device 1312 is a spring, and in other embodiments, the elastic device 1312 may also be a spring.

Preferably, the elastic device 1312 is a U-shaped spring plate, the hinge pillar 1311 is disposed at the connecting end of the U-shaped spring plate, and the opening end of the U-shaped spring plate is provided with a driving pillar 1313 capable of passing through and retracting 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 penetrate out and contract into the accommodating cavity, so that the design facilitates the strip 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 invention, as shown in FIG. 10: preferably, the suspension device further comprises a connecting plate 5, one side of which is connected with the other side of the upper supporting plate 12, and the other side of which is provided with a connecting stud 51 for connecting the suspension 4 to be detected.

In this embodiment, connecting plate 5 can be dismantled with last backup pad 12 and be connected to be equipped with and be used for waiting with connecting to examine suspension 4, when the rigidity of waiting to examine suspension 4 needs to be adjusted, can directly change and examine suspension 4. When examining the model of examining suspension 4 different in addition, can dismantle connecting plate 5, change connecting plate 5 to the new model of adaptation is examined suspension 4 of examining, such design can be examined when examining suspension 4 in the change and is examined the convenience fast, saves the change time.

Referring again to fig. 4, preferably, opposite sides of the lower and

upper support plates

11 and 12 are provided with two first hinge supports 111 and second hinge supports 121 corresponding thereto, respectively.

In the embodiment, the lower support plate 11 and the upper support plate 12 are provided with two first hinge supports 111 and two corresponding second hinge supports 121, and are provided with two corresponding telescopic rods 13, so that the adjusting device can be more stable in use, the stability of the suspension 4 to be detected can be maintained, and the adjusting result can be more accurate.

Referring again to fig. 8, the lower support plate 11 is preferably rotatably connected to one end of the upper support plate 12 by a pin 14. In this embodiment, the lower support plate 11 is rotatably connected to the upper support plate 12 by means of a pin 14 to facilitate the angle adjustment. In this embodiment, the upper support plate 12 is provided with a pin 14, and the lower support plate 11 is provided with a pin hole 113 corresponding thereto. In other embodiments, the rotation connection can be realized by other modes such as hinges.

In conclusion, when the suspension adjusting device is used, the lower supporting plates of the two mounting brackets are respectively connected with the frame or the power assembly, and the other sides of the upper supporting plates of the two mounting brackets are respectively used for being connected with the suspension to be detected. When the angle of the suspension to be detected needs to be adjusted, the lengths of the telescopic rods of the two mounting brackets are adjusted simultaneously, so that the detection angle of the suspension to be detected is adjusted. The device can follow the angle that the suspension was examined to convenient adjustment, has avoided prior art, and the installation angle of suspension can not be adjusted to the timing device, and the commonality is poor, needs the problem of makeed the timing device again, has practiced thrift the time of timing. When the installation angle of the adjustment suspension, the positions of the hinge holes on the telescopic rod and the second hinge support can be changed, so that the installation angle of the adjustment suspension is changed. When the hinge hole of support arm was gone up in needs adjustment, press the drive post and can drive two hinge posts and wear out and contract to holding the chamber, such design has made things convenient for the strip of the hinge hole of last support arm to adjust.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, are within the protection scope.

Claims

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);

the first hinged support (111) is provided with a hinged hole, the second hinged support (121) is provided with 7 hinged holes which are arranged at intervals, and one end of the telescopic rod (13) can be hinged with any hinged hole on the second hinged support (121);

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;

a sleeve (133) having internal threads matching the first and second external threads; the sleeve (133) is sleeved outside the upper support arm (131) and the lower support arm (132), and the length of the upper support arm (131) or the lower support arm (132) extending into the sleeve (133) is adjusted by rotating the upper support arm (131) or the lower support arm (132) relative to the sleeve (133), so that the length of the telescopic rod (13) is changed;

the hinged end of the upper support arm (131) is provided with two telescopic hinged columns (1311) which are hinged with the first hinged support (111) through the hinged columns;

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;

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.

2. The suspension tuning device of claim 1, wherein: the first external thread and the second external thread are opposite in rotation direction.

3. 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.

4. 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.

5. 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).