CN215621252U - Air suspension front support assembly structure of trailer - Google Patents
Air suspension front support assembly structure of trailer Download PDFInfo
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- CN215621252U CN215621252U CN202122324186.4U CN202122324186U CN215621252U CN 215621252 U CN215621252 U CN 215621252U CN 202122324186 U CN202122324186 U CN 202122324186U CN 215621252 U CN215621252 U CN 215621252U
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- pin shaft
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- trailer
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Abstract
The utility model discloses an air suspension front support assembly structure of a trailer, which comprises a front support body, a front support frame and a rear support frame, wherein the front support body is fixed with the frame and is provided with a through hole which penetrates transversely, and two side surfaces of the front support frame are symmetrically provided with sliding grooves; the pair of wheelbase aligning plates are respectively clamped in the sliding grooves on the two sides and arranged along the sliding grooves in a sliding manner, strip-shaped holes are formed in the wheelbase aligning plates, and an acute angle is formed between the extending direction of the strip-shaped holes and the extending direction of the sliding grooves; the pin shaft is inserted into the through hole, two ends of the pin shaft penetrate out of the corresponding side strip-shaped holes respectively, one end of the pin shaft is provided with a flange plate, and the other end of the pin shaft is provided with a locking mechanism. According to the utility model, because the extension direction of the strip-shaped hole and the extension direction of the chute form an acute angle, when the position of the pin shaft needs to be finely adjusted during installation, the shaft distance adjusting plate can be operated and controlled to slide along the chute, so that the overlapping position of the strip-shaped hole and the through hole is adjusted in the horizontal direction, the pin shaft is driven to adjust the horizontal position, the adjusting method is convenient and rapid, efficient and stable, and the problems of abrasion and offset are effectively avoided.
Description
Technical Field
The utility model relates to the technical field of semitrailer suspension structures, in particular to an air suspension front support assembly structure of a trailer.
Background
The air suspension of the trailer is a form of semitrailer suspension, has the characteristics of good shock absorption and reliable performance, and has better shock absorption compared with the traditional steel plate spring suspension. The air suspension structure of the semitrailer comprises a front support and an air bag which are fixed on a frame, and an axle is connected with a pin shaft and the air bag of the front support to realize air suspension installation.
Because trailer air suspension structure is simple relatively, in order to guarantee axletree and automobile body symmetry and adjacent axle distance, need finely tune the axletree position often when installing air suspension structure, consequently need finely tune the round pin axle position. The existing air suspension front support structure adopts a fixing mode, is difficult to adjust, cannot meet the fine adjustment requirement on the position of a pin shaft, and influences the symmetry degree of the axle and a vehicle body and the distance between adjacent axles.
Therefore, it is necessary to develop a new air suspension front bracket assembly structure of the trailer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a trailer air suspension front support assembly structure, which solves the technical problems that the pin shaft position of the air suspension front support structure in the prior art is difficult to adjust due to a fixed mode, the fine adjustment requirement on the pin shaft position cannot be met, and the symmetry degree of an axle and a vehicle body and the distance between adjacent axles are influenced.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a trailer air suspension front carrier assembly structure comprising:
the top end of the front support body is fixed with the frame, a through hole which transversely penetrates through the front support body is formed in the front support body, sliding grooves are symmetrically formed in two side faces of the front support body, the sliding grooves extend vertically, and the sliding grooves cover the opening end of the through hole;
the pair of wheel base adjusting plates are respectively clamped in the sliding grooves on the two sides, the wheel base adjusting plates are arranged along the sliding grooves in a sliding mode, strip-shaped holes are formed in the wheel base adjusting plates, and an acute angle is formed between the extending direction of the strip-shaped holes and the extending direction of the sliding grooves;
the pin shaft is inserted into the through hole, two ends of the pin shaft respectively penetrate through the strip-shaped holes of the wheelbase centering plate on the corresponding side, one end of the pin shaft is provided with a flange plate interfering with the strip-shaped holes, the other end of the pin shaft is provided with a locking mechanism, and the locking mechanism is matched with the flange plate to tightly press the wheelbase centering plate on the front support body;
the width of the cross section of the through hole is larger than the diameter of the pin shaft, and the through hole and the strip-shaped hole are matched for limiting the pin shaft.
Compared with the prior art, the utility model has the beneficial effects that:
the front support comprises a front support body, a through hole, a distance adjusting plate, a pin shaft and a front support body, wherein the front support body is provided with sliding grooves on two sides; because bar hole extending direction and spout extending direction are the acute angle, when needing to finely tune the round pin axle position during the installation, but operation control wheel base aligning plate slides along the spout to adjustment bar hole and through-hole overlap position are in the position of level to, drive the round pin axle and carry out the adjustment of level to the position, and adjustment method convenient and fast, high-efficient stability effectively avoids wearing and tearing and skew problem.
On the basis of the technical scheme, the utility model can be further improved as follows:
further, the extending direction of the strip-shaped hole and the extending direction of the sliding groove form an angle of 20-80 degrees.
Through adopting above-mentioned scheme, the angle of undersize can make round pin axle horizontal position adjustment too slow, and too big angle can bring too big resistance for the slip of wheel base aligning plate.
Furthermore, the strip-shaped holes are parallelogram holes with the top edges and the bottom edges horizontal and two side edges inclined.
Further, the thickness of the wheel base aligning plate is larger than the depth of the sliding groove.
Through adopting above-mentioned scheme, guarantee that the wheel base aligning plate is compressed tightly spacing to avoid the round pin axle to shift.
Further, the locking mechanism comprises a washer and a nut.
Furthermore, the gasket has two postures of installation and installation, the posture of installation the gasket is not fixed with the wheelbase aligning plate, and the posture of installation is fixed with the wheelbase aligning plate.
By adopting the scheme, after the pin shaft is completely adjusted and installed, if the gasket is not fixed with the wheelbase aligning plate, the pin shaft is only in line contact with the strip-shaped hole in the horizontal direction, and is easy to wear when stressed; after the gasket and the wheelbase aligning plate are fixed, the circumferential surface support of the gasket is increased by the support of the pin shaft, so that the abrasion caused by stress is effectively avoided, the positioning precision is high, and the service life is long.
Furthermore, the cross section of the through hole is a waist-shaped hole with the horizontal width larger than the vertical width.
By adopting the scheme, the height of the pin shaft is limited by the waist-shaped hole in the vertical direction, and the space for adjusting the position of the pin shaft in the horizontal direction is provided.
Furthermore, the width of the cross section of the through hole is larger than or equal to the projection width of the strip-shaped hole in the horizontal direction.
By adopting the above scheme, the width of through-hole can satisfy the round pin axle at the within range adjusting position between bar hole top horizontal position and bottom horizontal position, improves the adjustment range.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of a-a in fig. 1.
Fig. 3 is a schematic diagram of the working state of the embodiment of the present invention.
Fig. 4 is a schematic structural view of a front bracket body according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a wheel base aligning plate according to an embodiment of the present invention.
Shown in the figure:
1. a front bracket body; 101. a through hole; 102. a chute;
2. a wheel base aligning plate; 201. a strip-shaped hole;
3. a pin shaft;
4. a flange plate;
5. a gasket;
6. and a nut.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
In the description of the present application, it is to be understood that the terms "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-5, the air suspension front bracket assembly structure of the trailer provided by the present embodiment includes a front bracket body 1, a wheelbase adjusting plate 2 and a pin 3.
The top end of the front support body 1 is fixed with a frame, a through hole 101 which transversely penetrates through the front support body 1 is formed in the front support body 1, sliding grooves 102 are symmetrically formed in two side faces of the front support body 1, the sliding grooves 102 extend vertically, and the sliding grooves 102 cover the opening ends of the through holes 101.
The pair of wheelbase centering plates 2 are respectively clamped in the sliding grooves 102 on the two sides, and the wheelbase centering plates 2 are arranged along the sliding grooves 102 in a sliding manner. The wheel base aligning plate 2 is provided with a strip-shaped hole 201, and an angle of 30 degrees is formed between the extending direction of the strip-shaped hole 201 and the extending direction of the sliding chute 102. The strip-shaped hole 201 is a parallelogram-shaped hole with the top edge and the bottom edge horizontal and two side edges inclined.
The round pin axle 3 inserts through-hole 101 setting, and 3 both ends of round pin axle wear out by the bar hole 201 that corresponds side shaft axle distance aligning plate 2 respectively, and 3 one end of round pin axle sets up the ring flange 4 of interfering with bar hole 201, and the other end is equipped with locking mechanism, and locking mechanism includes gasket 5 and nut 6.
The locking mechanism is matched with the flange plate 4 to press the wheel base adjusting plate 2 on the front bracket body 1.
Wherein, the width of the cross section of through-hole 101 is greater than 3 diameters of round pin axle, and through-hole 101 and bar hole 201 cooperation spacing round pin axle 3.
The cross section of the through hole 101 is a kidney-shaped hole with a horizontal width larger than a vertical width. The kidney-shaped hole limits the height of the pin shaft 3 in the vertical direction and gives a space for adjusting the position of the pin shaft 3 in the horizontal direction.
The width of the cross section of the through hole 101 is larger than or equal to the projection width of the strip-shaped hole 201 in the horizontal direction. The width of through-hole 101 can satisfy round pin axle 3 at the within range adjusting position between bar hole 201 top horizontal position and bottom horizontal position, improves the adjustment range.
The thickness of wheel base aligning plate 2 is greater than the spout 102 degree of depth, guarantees that wheel base aligning plate 2 is compressed tightly spacing to avoid round pin axle 3 to shift.
In the embodiment, sliding grooves 102 are formed in two sides of a front support body 1, a wheel base adjusting plate 2 is arranged in each sliding groove 102, a pin shaft 3 is arranged by penetrating through a through hole 101 and a strip-shaped hole 201 of the wheel base adjusting plate 2, the projection width of the through hole 101 in the horizontal direction is larger than the diameter of the pin shaft 3, a space for adjusting the position of the pin shaft 3 is provided, and the wheel base adjusting plate 2 is used for horizontally limiting the pin shaft 3; because the extending direction of the strip-shaped hole 201 and the extending direction of the sliding groove 102 form an acute angle, when the position of the pin shaft 3 needs to be finely adjusted during installation, the shaft distance adjusting plate 2 can be operated and controlled to slide along the sliding groove 102, so that the overlapped position of the strip-shaped hole 201 and the through hole 101 is adjusted in the horizontal position, the pin shaft 3 is driven to be adjusted in the horizontal position, the adjusting method is efficient and stable, and the problems of abrasion and deviation are effectively avoided.
It is foreseeable that strip hole 201 extending direction and spout 102 extending direction are the acute angle, drive round pin axle 3 when all can realizing that wheelbase aligning plate 2 slides and to the adjustment position in the level, all can realize the technological effect of this embodiment. Simultaneously in order to avoid too little angle can make round pin axle 3 level to position adjustment too slowly, too big angle can bring too big resistance for the slip of wheel base aligning plate 2, can be preferred to be 20 ~ 80 degrees angles between bar hole 201 extending direction and the spout 102 extending direction.
Further, the gasket 5 has two postures of mounting and mounting, the posture gasket 5 is not fixed to the wheelbase aligning plate 2 during mounting, and the posture gasket 5 is fixed to the wheelbase aligning plate 2 after mounting.
Namely, after the pin shaft 3 is locked and the position is adjusted, the gasket 5 and the wheelbase adjusting plate 2 are fixed by welding or the like.
After the pin shaft 3 is completely adjusted and installed, if the gasket 5 is not fixed with the wheelbase adjusting plate 2, the pin shaft 3 is only in line contact with the strip-shaped hole 201 in the horizontal direction, and is easy to wear when stressed; after the gasket 5 and the wheelbase aligning plate 2 are fixed, the supporting of the pin shaft 3 increases the circumferential surface supporting of the gasket 5, thereby effectively avoiding the abrasion in the stress process, and having high positioning precision and long service life.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A trailer air suspension front brace assembly structure, comprising:
the top end of the front support body is fixed with the frame, a through hole which transversely penetrates through the front support body is formed in the front support body, sliding grooves are symmetrically formed in two side faces of the front support body, the sliding grooves extend in the vertical direction, and the sliding grooves cover the opening end of the through hole;
the pair of wheel base adjusting plates are respectively clamped in the sliding grooves on the two sides, the wheel base adjusting plates are arranged along the sliding grooves in a sliding mode, strip-shaped holes are formed in the wheel base adjusting plates, and an acute angle is formed between the extending direction of the strip-shaped holes and the extending direction of the sliding grooves;
the pin shaft is inserted into the through hole, two ends of the pin shaft respectively penetrate through the strip-shaped holes of the wheelbase centering plate on the corresponding side, one end of the pin shaft is provided with a flange plate interfering with the strip-shaped holes, the other end of the pin shaft is provided with a locking mechanism, and the locking mechanism is matched with the flange plate to tightly press the wheelbase centering plate on the front support body;
the width of the cross section of the through hole is larger than the diameter of the pin shaft, and the through hole and the strip-shaped hole are matched for limiting the pin shaft.
2. The air suspension front bracket assembly structure of a trailer as claimed in claim 1, wherein an angle of 20-80 degrees is formed between the extending direction of the strip-shaped hole and the extending direction of the sliding chute.
3. The air suspension front bracket assembly structure of a trailer as in claim 1, wherein the strip-shaped hole is a parallelogram-shaped hole with horizontal top edge and bottom edge and inclined two side edges.
4. The air suspension front bracket assembly structure of a trailer as in claim 1, wherein the thickness of the wheelbase center plate is greater than the chute depth.
5. The trailer air suspension front bracket assembly structure as in claim 1, wherein the locking mechanism comprises a washer and a nut.
6. The air suspension front bracket assembly structure of the trailer as recited in claim 5, wherein the gasket has two postures of installation and installation, the posture of installation is that the gasket is not fixed with the wheelbase aligning plate, and the posture of installation is that the gasket is fixed with the wheelbase aligning plate.
7. The air suspension front bracket assembly structure of the trailer as in claim 1, wherein the cross section of the through hole is a kidney-shaped hole with a horizontal width larger than a vertical width.
8. The air suspension front bracket assembly structure of the trailer as claimed in claim 1, wherein the width of the cross section of the through hole is greater than or equal to the projection width of the strip-shaped hole in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122324186.4U CN215621252U (en) | 2021-09-24 | 2021-09-24 | Air suspension front support assembly structure of trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122324186.4U CN215621252U (en) | 2021-09-24 | 2021-09-24 | Air suspension front support assembly structure of trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215621252U true CN215621252U (en) | 2022-01-25 |
Family
ID=79919944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122324186.4U Active CN215621252U (en) | 2021-09-24 | 2021-09-24 | Air suspension front support assembly structure of trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215621252U (en) |
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2021
- 2021-09-24 CN CN202122324186.4U patent/CN215621252U/en active Active
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