CN114425932B - Bracket assembly, suspension and vehicle - Google Patents
Bracket assembly, suspension and vehicle Download PDFInfo
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- CN114425932B CN114425932B CN202210024873.0A CN202210024873A CN114425932B CN 114425932 B CN114425932 B CN 114425932B CN 202210024873 A CN202210024873 A CN 202210024873A CN 114425932 B CN114425932 B CN 114425932B
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- guide arm
- suspension
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- positioning channel
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- 239000000725 suspension Substances 0.000 title claims abstract description 64
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000001632 homeopathic effect Effects 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a bracket assembly, a suspension and a vehicle. In one aspect, a bracket assembly for installing a guide arm is provided, wherein one end of the guide arm is provided with a first positioning channel, and the bracket assembly comprises a bracket, a positioning piece and a wear-resisting piece. The bracket is provided with a second positioning channel coaxial with the first positioning channel. The wear parts are surrounded on the first positioning channel and are connected to the bracket along the first direction so that the guide arm is positioned between the two wear parts. During installation, an operator can lift the guide arm, push the guide arm into the space between the wear-resisting parts in a homeopathic manner, and then sequentially pass through the second positioning channel and the first positioning channel to fix the guide arm on the bracket. Therefore, the mounting difficulty of the bracket component and the guide arm is greatly reduced, and the manual investment can be reduced.
Description
Technical Field
The invention relates to the technical field of vehicle suspension systems, in particular to a bracket assembly, a suspension and a vehicle.
Background
The combined air suspension is an air suspension system with a guide arm and an air spring combined, and has the following advantages: because the air spring has low rigidity and strong shock resistance, the rigidity is changed according to the load, and the riding comfort of the vehicle can be greatly improved; the air spring can adjust the height of the suspension through inflation and deflation, so that the quick throwing and hanging of the tractor can be realized, and the operation efficiency of the vehicle is improved; therefore, the composite air suspension is an air suspension structure commonly used for commercial vehicles, and comprises main components such as a longitudinal beam, a bracket, an air spring, a guide arm and the like. The air spring is arranged on the guide arm, and the guide arm is connected with the longitudinal beam through the bracket.
To prevent the support from being damaged, a wear member is usually disposed at the connection between the support and the guide arm to extend the service life of the support. However, in the conventional assembly, the process of mounting the guide arm and the wear member to the bracket is inconvenient for a person to operate.
Disclosure of Invention
Based on this, it is necessary to provide a bracket assembly, a suspension and a vehicle for the problem of inconvenient assembly of the conventional air suspension.
According to one aspect of the present application, there is provided a bracket assembly for mounting a guide arm, one end of the guide arm being provided with a first positioning channel, the bracket assembly comprising:
the bracket is provided with a second positioning channel coaxial with the first positioning channel;
the positioning piece sequentially passes through the second positioning channel and the first positioning channel so as to position the guide arm on the bracket; and
the wear-resistant piece surrounds the first positioning channel and is connected to the bracket along the first direction;
the first direction is parallel to the central axis of the second positioning channel.
The support assembly is used for installing the guide arm, and one end of the guide arm is provided with the first positioning channel. One aspect of the present application provides a bracket assembly including a bracket, a positioning member and a wear member. The bracket is provided with a second positioning channel coaxial with the first positioning channel. The wear parts are surrounded on the first positioning channel and are connected to the bracket along the first direction so that the guide arm is positioned between the two wear parts. During installation, an operator can lift the guide arm, push the guide arm into the space between the wear-resisting parts in a homeopathic manner, and then sequentially pass through the second positioning channel and the first positioning channel to fix the guide arm on the bracket. Therefore, the mounting difficulty of the bracket component and the guide arm is greatly reduced, and the manual investment can be reduced.
In one embodiment, the wear part comprises a clamping part for clamping the guide arm and two guide parts connected to the clamping part; the two guide parts are positioned at the two radial sides of the first positioning channel; the interval that joint portion one end was connected to two guiding portions is greater than the interval that joint portion one end was kept away from to two guiding portions. The guide arm is convenient to be clamped and connected with the wear-resistant piece. Therefore, when the guide arm needs to be clamped with the bracket assembly, the distance between one ends of the clamping parts connected with the two guide parts is larger, the guide arm is convenient to pass through, the distance between one ends of the clamping parts connected with the two guide parts is gradually decreased along the third direction, and the guide arm can be limited between the two oppositely arranged clamping parts.
In one embodiment, the clamping part is provided with a first connecting hole along a first direction, and the bracket is provided with a second connecting hole corresponding to the first connecting hole; the clamping part and the bracket are connected with the second connecting hole by means of the first connecting hole, so that the wear-resistant piece is abutted to the bracket along the first direction. The fixed connection of the wear-resistant part and the bracket is realized, so that the subsequent fixation of the wear-resistant part and the guide arm is facilitated.
According to another aspect of the present application, there is provided a suspension comprising:
a bracket assembly of any of the above;
the guide arm is arranged along the second direction, and one end of the guide arm is connected with the bracket; and
the longitudinal beam is arranged along the second direction and is arranged at intervals along the third direction with the guide arm, and the longitudinal beam is connected with one end of the bracket, which is far away from the guide arm; and
the air spring is arranged at one end of the longitudinal beam along the second direction far away from the bracket;
the air spring is connected to one end of the guide arm along a second direction away from the bracket;
the first direction, the second direction and the third direction are perpendicular to each other.
The suspension comprises any one of the bracket components, so that the suspension also has the advantage of convenience in assembly, one end of the guide arm is connected with the longitudinal beam through the bracket component, and the other end of the guide arm is provided with an air spring. Therefore, the suspension provided by another aspect of the present application is excellent in cushioning effect and convenient to assemble.
In one embodiment, the guide arm includes a first plate spring and a second plate spring arranged at intervals along a third direction, the first plate spring is provided with two first mounting holes at intervals along a second direction, and the second plate spring is provided with two second mounting holes corresponding to the first mounting holes one by one along the second direction. The first plate spring and the second plate spring arranged along the third direction are prevented from shifting, and the unstable suspension structure caused by shifting of the first plate spring and the second plate spring is avoided.
In one embodiment, the first leaf spring comprises a rolling lug part clamped with the wear-resistant piece, and the second leaf spring is provided with a wrapping lug part for wrapping the rolling lug part; the ear portions are crimped to form a first positioning channel. The locating piece passes through the second locating channel of support, the first locating channel that the curling formation of reel portion in proper order realizes the fixed of guide arm and wearing part, wraps the atress condition that the ear can improve the reel portion, prolongs the life of guide arm.
In one embodiment, a bushing sleeved on the positioning piece is arranged in the first positioning channel. The bushing is positioned between the first positioning channel and the positioning piece and is used for transmitting force and motion between the bracket and the guide arm.
In one embodiment, the suspension includes a rear axle disposed along a first direction, and two sets of rear axle fixing assemblies disposed opposite and spaced apart along the first direction for fixing the rear axle; each rear axle fixing assembly comprises a bracket assembly, a longitudinal beam, an air spring and a guide arm; the rear axle is connected to adjacent guide arms along the both ends of first direction respectively. The rear axle can be fixed on the suspension through the rear axle fixing assembly, so that the suspension has a good elastic function in a third direction.
In one embodiment, the guide arm further comprises a fixing component for fixing the rear axle, and the fixing component comprises a cover portion and a fixing portion, wherein the cover portion is arranged on one side, away from the second leaf spring, of the first leaf spring, and covers the rear axle, and the fixing portion is arranged on one side, away from the first leaf spring, of the second leaf spring, and is used for allowing the cover portion to pass through. The rear axle can be fixed on the guide arm through the cooperation of the cover part and the fixing part.
According to another aspect of the present application, there is provided a vehicle including:
a bracket assembly of any of the above; or (b)
A suspension according to any one of the preceding claims.
The vehicle comprising an assembly of any of the brackets described above, or a suspension of any of the above, also has the advantage of being easy to assemble.
Drawings
FIG. 1 is a schematic illustration of a suspension according to an embodiment of the present invention;
FIG. 2 is a schematic view of a bracket assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of the bracket assembly shown in FIG. 2;
FIG. 4 is a schematic view of a portion of the structure of the suspension shown in FIG. 1;
FIG. 5 is a schematic illustration of an assembly of the suspension shown in FIG. 1 in one direction;
FIG. 6 is a schematic view of another portion of the suspension shown in FIG. 1;
fig. 7 is a schematic view of a further part of the structure of the suspension shown in fig. 1.
Reference numerals: 100. a suspension; 10. a bracket assembly; 11. a wear part; 111. a clamping part; 1111. a first connection hole; 112. a guide part; 12. a bracket; 121. a second positioning channel; 122. a mounting hole; 123. a lightening hole; 13. a positioning piece; 20. a guide arm; 21. a first positioning channel; 22. a first leaf spring; 221. winding the lug part; 23. a second leaf spring; 231. wrapping the ear; 24. a bushing; 25. a positioning pin; 30. a longitudinal beam; 40. an air spring; 50. a thrust rod; 60. a rear axle; 61. a fixing assembly; 611. a cover part; 612. a fixing part; 70. a distance adjusting component; 71. a stabilizing piece; 72. a fixing seat; 721. an adjustment hole; s1, a first direction; s2, a second direction; s3, in the third direction.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The combined air suspension is an air suspension system with a combined guide arm and an air spring, has a simple structure and low price, and is a common air suspension structure of a commercial vehicle. At present, when the traditional composite suspension is assembled, wear-resistant parts are arranged on two sides of the support, which are in contact with the guide arms, and then the wear-resistant parts are fixed through positioning parts such as bolts, so that the support and the guide arms are connected.
The inventors of the present application have found through studies that the cause of the inconvenience in operation is: in the traditional assembly process, the wear-resistant parts and the support are independent, and the guide arm is difficult to insert between the two wear-resistant parts, so that the assembly of the guide arm and the support is very inconvenient.
Through intensive research, the inventor of the application has designed a support subassembly for fixing the guide arm, is fixed in the support respectively with two wearing parts, makes wearing parts and support installation become an organic wholely, and the assembly degree of difficulty of guide arm and support will be reduced to a great extent to the joining in marriage with the guide arm again, therefore, this application provides a support subassembly for fixing the guide arm, after being fixed in the support with two wearing parts, again with the guide arm carry out the joining in marriage the assembly degree of difficulty that connects can effectively reduce air suspension.
Referring to fig. 1-3, fig. 1 is a schematic view of a suspension 100 according to an embodiment of the invention, fig. 2 is a schematic view of a bracket assembly 10 according to an embodiment of the invention, and fig. 3 is a schematic view of a portion of the bracket assembly 10 shown in fig. 2.
According to one aspect of the present application, there is provided a bracket assembly 10 for mounting a guide arm 20, one end of the guide arm 20 being provided with a first positioning channel 21, the bracket assembly 10 comprising a bracket 12, a positioning member 13 and a wear member 11. The bracket 12 is provided with a second positioning channel 121 coaxial with the first positioning channel 21. The positioning member 13 sequentially passes through the second positioning passage 121 and the first positioning passage 21 to position the guide arm 20 to the bracket 12. And, the wear-resistant member 11 surrounds the first positioning channel 21 and is connected to the bracket 12 along the first direction S1. The first direction S1 is parallel to the central axis of the second positioning channel 121.
The bracket assembly 10 is used for installing a guide arm 20, and one end of the guide arm 20 is provided with a first positioning channel 21. One aspect of the present application provides a bracket assembly 10 that includes a bracket 12, a positioning member 13, and a wear member 11. The wear parts 11 are surrounded by a first positioning channel 21 and are connected to the bracket 12 in a first direction S1 such that the guiding arms 20 are located between the two wear parts 11. In the installation, the operator can lift the guide arm 20, push the guide arm 20 between the wear members 11 in a proper manner, and then pass the positioning member 13 through the second positioning channel 121 and the first positioning channel 21 in order to fix the guide arm 20 to the bracket 12. Thus, the mounting difficulty of the bracket assembly 10 and the guide arm 20 is greatly reduced, and the labor investment can be reduced.
In some embodiments, the wear part 11 includes a clamping portion 111 for clamping the guiding arm 20, and two guiding portions 112 connected to the clamping portion 111, where the two guiding portions 112 are located on two radial sides of the first positioning channel 21, and a distance between two guiding portions 112 connecting one end of the clamping portion 111 is greater than a distance between two guiding portions 112 away from one end of the clamping portion 111. This facilitates the engagement of the guide arm 20 to the wear member 11.
Specifically, the distance between the two guide portions 112 connecting one end of the clamping portion 111 is greater than the distance between the two guide portions 112 away from one end of the clamping portion 111, that is, the two guide arms 20 are obliquely disposed on the bracket 12, and each guide portion 112 is disposed at a preset angle α with respect to the central axis of the first positioning channel 21, and 0 ° < α <45 °. Therefore, when the guide arm 20 needs to be clamped with the bracket assembly 10, the distance between the two guide portions 112 and the end of the clamping portion 111 is larger, so that the guide arm 20 can pass through, and the distance between the two guide portions 112 and the end of the clamping portion 111 is gradually decreased along the third direction S3 shown in fig. 1, so that the guide arm 20 can be limited between the two oppositely arranged clamping portions 111. In particular, in the embodiment shown in fig. 1, the distance between the two guiding portions 112 and the end of the clamping portion 111 decreases gradually along the third direction S3. The third direction S3 may be a direction parallel to the symmetry axes of the two guide portions 112.
It should be noted that, for ease of understanding, the wear-resistant member 11 may be horseshoe-shaped or may be other shapes, and is not limited herein.
In some embodiments, the clamping portion 111 is provided with a first connection hole 1111 along the first direction S1, the bracket 12 is provided with a second connection hole (not shown in the drawing) corresponding to the first connection hole 1111, and the clamping portion 111 and the bracket 12 are connected with the second connection hole by means of the first connection hole 1111, so that the wear part 11 abuts against the bracket 12 along the first direction S1. The wear-resistant member 11 is connected with the second connecting hole through the first connecting hole 1111 and is fixed through a positioning member 13 such as a bolt, so that the clamping portion 111 is fixed on the bracket 12, thereby realizing the fixed connection between the wear-resistant member 11 and the bracket 12, and facilitating the fixation of the wear-resistant member 11 and the guide arm 20.
According to another aspect of the present application, there is provided a suspension 100 including: any one of the bracket assemblies 10, the guide arm 20, is disposed along a second direction S2, one end of the guide arm 20 is connected to the bracket 12, the longitudinal beam 30, is disposed along the second direction S2 and is disposed at intervals along a third direction S3 with the guide arm 20, the longitudinal beam 30 is connected to one end of the bracket 12 away from the guide arm 20, and the air spring 40 is disposed at one end of the longitudinal beam 30 along the second direction S2 away from the bracket 12, wherein the air spring 40 is connected to one end of the guide arm 20 along the second direction S2 away from the bracket 12, and the first direction S1, the second direction S2 and the third direction S3 are perpendicular to each other.
The suspension 100, including any of the bracket assemblies 10 described above, thus also has the advantage of easy assembly, in that the guide arm 20 is connected at one end to the longitudinal beam 30 via the bracket assembly 10 and is provided at the other end with an air spring 40. Therefore, the suspension 100 provided in another aspect of the present application is excellent in cushioning effect and convenient to assemble.
Referring to fig. 4-5, fig. 4 is a schematic view of a portion of the suspension 100 shown in fig. 1, and fig. 5 is a schematic view of an assembly of the suspension 100 shown in fig. 1 in one direction.
In some embodiments, the guide arm 20 includes a first plate spring 22 and a second plate spring 23 spaced apart along the third direction S3, the first plate spring 22 is provided with two first mounting holes (not shown) spaced apart along the second direction S2, and the second plate spring 23 is provided with two second mounting holes (not shown) in one-to-one correspondence with the first mounting holes along the second direction S2. In this way, the first leaf spring 22 and the second leaf spring 23S3 provided in the third direction S3 are prevented from being displaced to shift, and the suspension 100 is prevented from being structurally unstable due to shifting of the first leaf spring 22 and the second leaf spring 23.
Specifically, the two first mounting holes are respectively connected with the corresponding second mounting holes through the positioning pins 25, so that stable connection of the first plate spring 22 and the second plate spring 23 is realized, the integrity of the function of the guide arm 20 is ensured, and the stability of the structure of the suspension 100 is ensured.
In some embodiments, the first leaf spring 22 includes a rolling ear portion 221 that engages the wear member 11, and the second leaf spring 23 has a wrapping ear portion 231 that wraps around the rolling ear portion 221, the rolling ear portion 221 being rolled to form the first positioning channel 21. The positioning piece 13 sequentially passes through the second positioning channel 121 of the bracket 12 and the first positioning channel 21 formed by curling the ear-rolling part 221 to fix the guide arm 20 and the wear-resisting piece 11, and the ear-wrapping part 231 can improve the stress condition of the ear-rolling part 221 and prolong the service life of the guide arm 20.
In some embodiments, the first positioning channel 21 is provided with a bushing 24 sleeved on the positioning member 13, the bushing 24 is located between the first positioning channel 21 and the positioning member 13, the bushing 24 is used for transmitting force and motion between the bracket 12 and the guide arm 20, and can also increase resistance between the ear winding part 221 and the positioning member 13, so as to reduce connection instability between the guide arm 20 and the bracket assembly 10 caused by offset of the positioning member 13 and the ear winding part 221.
Referring to fig. 6, another part of the suspension 100 shown in fig. 1 is shown.
In some embodiments, the suspension 100 includes a rear axle 60 disposed along the first direction S1, and two sets of rear axle 60 fixing assemblies 61 disposed opposite and spaced apart along the first direction S1 for fixing the rear axle 60, each rear axle 60 fixing assembly 61 including a bracket assembly 10, a side member 30, an air spring 40 and a guide arm 20, and both ends of the rear axle 60 along the first direction S1 are respectively connected to the adjacent guide arms 20. In this way, the rear axle 60 can be fixed to the suspension 100 by the rear axle 60 fixing assembly 61, so that the suspension 100 has a good elastic function in the third direction S3.
Specifically, each bracket assembly 10 and each air spring 40 are respectively connected to two ends of the corresponding longitudinal beam 30 along the second direction S2, two ends of each guide arm 20 along the second direction S2 are respectively connected to the corresponding bracket assembly 10 and the corresponding air spring 40, and two guide arms 20 arranged at intervals along the first direction S1 enable the suspension 100 to have good elasticity and damping function in the first direction S1, and two air springs 40 arranged along the second direction S2 enable the suspension 100 to also have good elasticity and damping function in the second direction S2. Thus, the suspension 100 can have a function that is well maintained.
Referring again to fig. 1, in some embodiments, the guide arm 20 further includes a fixing component 61 for fixing the rear axle 60, where the fixing component 61 includes a cover portion 611 disposed on a side of the first leaf spring 22 away from the second leaf spring 23 and covering the rear axle 60, and a fixing portion 612 disposed on a side of the second leaf spring 23 away from the first leaf spring 22 and through which the cover portion 611 passes. In this way, the rear axle 60 can be fixed to the guide arm 20 by the engagement of the cover portion 611 and the fixing portion 612.
Referring to fig. 6-7, fig. 7 is a schematic view of a further portion of the suspension 100 shown in fig. 1.
In some embodiments, a distance adjusting assembly 70 is disposed between the rear axle 60 and the guide arm 20, and the distance adjusting assembly 70 is used to adjust the relative positions of the rear axle 60 and the guide arm 20 along the third direction S3. This secures the rear axle 60 to the guide arm 20.
Specifically, the distance adjusting assembly 70 includes a stabilizing member 71 welded to the rear axle 60 along a first direction S1, and a fixing seat 72 connected to the stabilizing member 71 and covering the guide arm 20, wherein the fixing seat 72 is provided with two adjusting holes 721 penetrating and spaced apart along the first direction S1, and the adjusting holes 721 are matched with bolts, so that the relative positions of the rear axle 60 and the guide arm 20 can be adjusted, and the two ends of the rear axle 60 are balanced on the corresponding guide arm 20. Which is advantageous in maintaining the overall structural stability of suspension 100.
In some embodiments, the suspension 100 further includes a tilt-disposed thrust rod 50, one end of the thrust rod 50 being welded to the rear axle 60 and the other end being connected to the side rail 30. The thrust rod 50 is used for transmitting lateral force of the vehicle, the inclined thrust rod 50 can transmit lateral force in the first direction S1 and the second direction S2, and the thrust rod 50 is connected to the longitudinal beam 30 through bolts, so that the detachable side-to-side vehicle has the advantage of being detachable.
In some embodiments, the bracket 12 is provided with a plurality of mounting holes 122 along the third direction S3 at an end far away from the wear-resistant member 11, and the mounting holes 122 are provided through along the first direction S1 for fixing to the longitudinal beam 30, so as to make the suspension 100 more stable in structure.
In some embodiments, the bracket 12 further includes a lightening hole 123 between the mounting hole 122 and the wear member 11 to lighten the bracket assembly 10, thereby lightening the suspension 100 and thus the vehicle. The braking is easier, the braking distance is shortened when the vehicle is braked, and the fuel consumption of the vehicle is reduced.
According to yet another aspect of the present application, there is provided a vehicle comprising the bracket assembly 10 described above, or the suspension 100 described above. The vehicle including the bracket assembly 10 or the suspension 100 also has the advantage of being easy to assemble.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A bracket assembly for installing a guide arm, which is characterized in that one end of the guide arm is provided with a first positioning channel; the bracket assembly includes:
the bracket is provided with a second positioning channel coaxial with the first positioning channel;
the positioning piece sequentially passes through the second positioning channel and the first positioning channel so as to position the guide arm on the bracket; and
the wear-resistant piece surrounds the first positioning channel and is connected with the bracket along a first direction;
the first direction is parallel to the central axis of the second positioning channel;
the wear-resistant piece comprises a clamping part for clamping the guide arm and two guide parts connected to the clamping part; the two guide parts are positioned at two radial sides of the first positioning channel; the distance between the two guide parts connected with one end of the clamping part is larger than the distance between the two guide parts far away from one end of the clamping part;
the clamping part is provided with a first connecting hole along the first direction, and the bracket is provided with a second connecting hole corresponding to the first connecting hole; the clamping part and the bracket are connected with the second connecting hole by means of the first connecting hole, so that the wear-resistant piece is abutted to the bracket along the first direction.
2. The bracket assembly of claim 1, wherein two of the guide arms are disposed obliquely to the bracket.
3. The bracket assembly of claim 1, wherein each of the guide portions is disposed at a predetermined angle α to a central axis of the first positioning channel, and 0 ° < α <45.
4. A suspension, the suspension comprising:
a bracket assembly as claimed in any one of claims 1 to 3;
the guide arm is arranged along the second direction, and one end of the guide arm is connected with the bracket; and
the longitudinal beam is arranged along the second direction and is arranged at intervals with the guide arm along the third direction, and the longitudinal beam is connected with one end, far away from the guide arm, of the bracket; and
the air spring is arranged at one end of the longitudinal beam along the second direction far away from the bracket;
wherein the air spring is connected to one end of the guide arm along the second direction away from the bracket;
the first direction and the second direction are perpendicular to the third direction in pairs.
5. The suspension of claim 4, wherein the guide arm includes a first leaf spring and a second leaf spring disposed at intervals along the third direction, the first leaf spring being provided with two first mounting holes spaced apart along the second direction, the second leaf spring being provided with two second mounting holes in one-to-one correspondence with the first mounting holes along the second direction.
6. The suspension of claim 5 wherein the first leaf spring includes a tab portion that snaps into engagement with the wear member, the second leaf spring having a binding portion that wraps around the tab portion;
the ear-rolling portion is curled to form the first positioning channel.
7. The suspension of claim 6 wherein a bushing is disposed within the first positioning channel and is disposed about the positioning member.
8. The suspension of claim 5, wherein the suspension includes a rear axle disposed along the first direction and two sets of rear axle securement assemblies disposed opposite and spaced apart along the first direction for securing the rear axle;
each rear axle fixing assembly comprises one bracket assembly, one longitudinal beam, one air spring and one guide arm;
the two ends of the rear axle along the first direction are respectively connected with the adjacent guide arms.
9. The suspension of claim 8, wherein the guide arm further comprises a fixing assembly for fixing the rear axle, the fixing assembly comprising a cover portion located on a side of the first leaf spring away from the second leaf spring and covering the rear axle, and a fixing portion located on a side of the second leaf spring away from the first leaf spring and through which the cover portion passes.
10. A vehicle, characterized by comprising:
a bracket assembly as claimed in any one of claims 1 to 3; or (b)
Suspension according to any of claims 4-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210024873.0A CN114425932B (en) | 2022-01-11 | 2022-01-11 | Bracket assembly, suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN210283812U (en) * | 2019-07-26 | 2020-04-10 | 卢振明 | Air suspension guide arm support structure |
| CN111923676A (en) * | 2020-06-24 | 2020-11-13 | 东风汽车底盘系统有限公司 | Connecting structure of guide arm and support |
| CN212509157U (en) * | 2020-08-20 | 2021-02-09 | 路达(厦门)工业有限公司 | Wear-resisting positioning nut subassembly and handle connection structure |
| CN112829535A (en) * | 2021-02-19 | 2021-05-25 | 芜湖中集瑞江汽车有限公司 | Vehicle suspension and wear-resisting plate thereof |
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| US6206407B1 (en) * | 1998-12-18 | 2001-03-27 | Freightliner Llc | Vehicle suspension system |
| CN1599677A (en) * | 2001-12-07 | 2005-03-23 | 达纳公司 | Positive shim locking system for suspension adjustment device |
| CN202806274U (en) * | 2012-03-29 | 2013-03-20 | 北汽福田汽车股份有限公司 | Guide arm-type combined air spring suspension and vehicle |
| CN204037265U (en) * | 2014-09-10 | 2014-12-24 | 陕西重型汽车有限公司 | Heavy-duty vehicle, Combined air suspension system and guide arm support |
| CN204398798U (en) * | 2015-01-09 | 2015-06-17 | 安徽江淮汽车股份有限公司 | A kind of Leaf Spring Suspension assembly |
| CN207257277U (en) * | 2017-08-10 | 2018-04-20 | 郑州宇通客车股份有限公司 | A kind of suspension and the vehicle using the suspension |
| CN208698410U (en) * | 2018-07-13 | 2019-04-05 | 一汽解放汽车有限公司 | Airsuspension system after a kind of card vehicle compound |
| CN208842164U (en) * | 2018-07-24 | 2019-05-10 | 一汽解放汽车有限公司 | A kind of novel leading arm bracket locking mechanism |
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| CN111923676A (en) * | 2020-06-24 | 2020-11-13 | 东风汽车底盘系统有限公司 | Connecting structure of guide arm and support |
| CN212509157U (en) * | 2020-08-20 | 2021-02-09 | 路达(厦门)工业有限公司 | Wear-resisting positioning nut subassembly and handle connection structure |
| CN112829535A (en) * | 2021-02-19 | 2021-05-25 | 芜湖中集瑞江汽车有限公司 | Vehicle suspension and wear-resisting plate thereof |
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|---|---|
| CN114425932A (en) | 2022-05-03 |
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