CN216993770U - Front support structure for adjusting air suspension wheel base - Google Patents
Front support structure for adjusting air suspension wheel base Download PDFInfo
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- CN216993770U CN216993770U CN202220919340.4U CN202220919340U CN216993770U CN 216993770 U CN216993770 U CN 216993770U CN 202220919340 U CN202220919340 U CN 202220919340U CN 216993770 U CN216993770 U CN 216993770U
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- air suspension
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Abstract
The utility model relates to a front bracket structure for adjusting an air suspension wheelbase, which comprises: the front bracket body is fixedly connected with the frame; the shaft sleeve set comprises an outer shaft sleeve and an inner shaft sleeve which are respectively arranged on the left side surface and the right side surface of the front bracket body, and the outer shaft sleeve and the inner shaft sleeve are both provided with long slotted holes; the pair of taper sleeves are respectively matched and connected with the shaft sleeves on the corresponding sides, eccentric holes with preset eccentric distances are formed in the pair of taper sleeves, and the preset eccentric distances of any two pairs of taper sleeves are different; and the bolt sequentially penetrates through the eccentric hole in the left taper sleeve, the long slotted hole in the outer shaft sleeve, the front bracket body, the long slotted hole in the inner shaft sleeve and the eccentric hole in the right taper sleeve from left to right and is fixed on the outer side of the right taper sleeve by the fastener. When the adjusting device is used, a pair of taper sleeves with the required preset eccentricity are selected according to different air suspension adjusting amounts on two sides of a vehicle, so that the symmetry of wheel ends on two sides of an axle can be ensured, and the adjusting mode is simple.
Description
Technical Field
The utility model relates to the technical field of air suspension, in particular to a front support structure for adjusting an air suspension wheelbase.
Background
The air suspension is a suspension system which replaces the traditional steel plate spring by using an air spring, and is widely used on trailers due to the advantages of light weight, good smoothness and high stability. The air suspension mechanism comprises a front support mechanism and an air bag which are fixed on the frame, and the axle is connected with the bolt and the air bag in the front support mechanism to realize air suspension installation.
The equal distance between the two ends of the trailer shaft is very important, and the unequal distance can cause the tires to be eaten and can also increase the fuel cost, so that the air suspension mechanism can achieve the effect of adjusting the wheel base through finely adjusting the position of the bolt. In order to achieve the purpose, a method for adjusting a single eccentric sleeve is commonly adopted at present, the method requires that the eccentric sleeve needs to be welded and fixed after the wheel base is adjusted, the welding can cause ablation defects on the surface of an original product which is well sprayed, the corrosion resistance of the product is influenced, the welding can also generate stress concentration, the appearance quality is also influenced, and the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a front support structure for adjusting an air suspension wheelbase.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a front brace construction for air suspension wheelbase adjustment, comprising:
the front bracket body is fixedly connected with the frame;
the shaft sleeve set comprises an outer shaft sleeve and an inner shaft sleeve which are respectively arranged on the left side surface and the right side surface of the front bracket body, and the outer shaft sleeve and the inner shaft sleeve are both provided with long slotted holes;
the pair of taper sleeves are respectively matched and connected with the shaft sleeves on the corresponding sides, eccentric holes with preset eccentric distances are formed in the taper sleeves, and the preset eccentric distances of any two pairs of taper sleeves are different;
and the bolt sequentially penetrates through the eccentric hole in the left taper sleeve, the long slotted hole in the outer shaft sleeve, the front support body, the long slotted hole in the inner shaft sleeve and the eccentric hole in the right taper sleeve from left to right and then is fixed on the outer side of the right taper sleeve by a fastener.
As an embodiment of the present invention, the fastener includes: the locking nut is positioned on the right side of the gasket and used for enabling the gasket to abut against the right side face of the right taper sleeve when the gasket is screwed.
As an embodiment of the utility model, the fastener still includes the nut, the nut is located lock nut's right side.
As an embodiment of utility model, it still includes: a pair of wear plates comprising a vertical plate and a horizontal plate;
the vertical plate is positioned in the front bracket body and is connected with the shaft sleeve on the corresponding side;
the horizontal plate is positioned at the bottom of the front bracket body.
As an embodiment of the utility model, the nut of bolt is the cuboid structure, be provided with on the left end face of outer axle sleeve and prevent changeing the bounding wall in order to form the bolt rotation-proof slot, the size of cuboid structure with the size phase-match of bolt rotation-proof slot.
As an embodiment of the utility model, every the taper sleeve all with adopt taper fit to connect between the axle sleeve.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the front support structure for adjusting the air suspension wheelbase, provided by the embodiment of the utility model, a self-centering effect can be achieved by arranging a plurality of pairs of taper sleeves with different preset eccentric distances, and the position of the bolt in the inner long slotted hole can be changed after the bolt passes through different eccentric holes, so that the purpose of adjusting the wheelbase is further achieved. When the adjusting device is used, a pair of taper sleeves with the required preset eccentricity are selected according to different air suspension adjusting amounts on two sides of a vehicle, so that the symmetry of wheel ends on two sides of an axle can be ensured, and the adjusting mode is simple.
The front support structure can ensure that the wheel ends at two sides of the axle are symmetrical by disassembling the bolt and replacing the taper sleeve; after the host computer factory carries out the wheel base adjustment, need not weld eccentric conical head and support, can avoid the destruction to original support coating, can not reduce the corrosion resisting property and the appearance quality of spare part, can not produce welding stress, improved life.
In addition, each taper sleeve is connected with the shaft sleeves in a taper fit mode, so that the outer conical surfaces of the taper sleeves are abutted to the outer shaft sleeves or the inner shaft sleeves, and the conical surfaces are compressed through the fastening bolts, so that a self-centering effect can be achieved, the bolts are more stable, and the looseness is not prone to occurring.
Drawings
Fig. 1 is a partial cross-sectional view of a front brace structure for air suspension wheelbase adjustment provided by an embodiment of the present invention.
Fig. 2 is a left side view of a front bracket structure for air suspension wheelbase adjustment according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the eccentricity d of the taper sleeve according to the embodiment of the present invention.
Wherein: 1-wear-resistant plate, 2-front support body, 3-outer shaft sleeve, 4-bolt, 5-taper sleeve, 6-inner shaft sleeve, 7-gasket, 8-lock nut, 9-nut, 10-long slotted hole, 11-bolt head anti-rotation groove and 12-anti-rotation coaming plate.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention is provided for clarity and completeness of description. It should be noted that the terms of left and right sides or left and right directions are only used for convenience of identifying the sequence, but the positions of the components of the present invention are not limited thereto, and the following descriptions are all understood in this way.
An embodiment of the present invention provides a front bracket structure for adjusting an air suspension wheelbase, as shown in fig. 1, including:
the front bracket body 2 is fixedly connected with the frame;
the shaft sleeve set comprises an outer shaft sleeve 3 and an inner shaft sleeve 6 which are respectively arranged on the left side surface and the right side surface of the front bracket body 2, and the outer shaft sleeve 3 and the inner shaft sleeve 6 are both provided with elongated slotted holes 10; the elongated slot 10 can be arranged in a horizontal direction, as shown in fig. 2;
the pair of taper sleeves 5 are respectively matched and connected with the shaft sleeves on the corresponding sides, eccentric holes with preset eccentric distances are formed in the pair of taper sleeves 5, and the preset eccentric distances of any two pairs of taper sleeves 5 are different; wherein, for each taper sleeve 5, the preset eccentricity refers to the distance between the eccentric hole on the taper sleeve and the center of the circular hole of the central hole, as shown by d in fig. 3, the d value range can be 0-20 mm;
and the bolt 4 sequentially penetrates through the eccentric hole in the left taper sleeve, the long slotted hole in the outer shaft sleeve 3, the front support body 2, the long slotted hole in the inner shaft sleeve 6 and the eccentric hole in the right taper sleeve from left to right and then is fixed on the outer side of the right taper sleeve by a fastener.
Regarding the structure of the fastener, in one possible implementation, as shown in fig. 1, it comprises: the locking device comprises a gasket 7 and a locking nut 8, wherein the locking nut 8 is positioned on the right side of the gasket 7, and the locking nut 8 is used for enabling the gasket 7 to abut against the right side surface of the right taper sleeve 5 when the locking nut 8 is screwed; further, it may further comprise a nut 9, said nut 9 being located on the right side of said locking nut 8. Thus, the bolt 4 is reliably connected by the washer 7, the lock nut 8 and the nut 9.
The front bracket structure provided by the embodiment of the utility model can play a self-centering role by arranging a plurality of pairs of taper sleeves with different preset eccentric distances, the position of the bolt 4 in the inner elongated slotted hole 10 can be changed after the bolt 4 passes through different eccentric holes, and the bolt can move back and forth along the elongated slotted hole 10 (namely the elongated slotted hole 10 moves left and right in fig. 2), so that the purpose of adjusting the axle distance is realized. When the adjusting device is used, a pair of taper sleeves with the required preset eccentricity are selected according to different air suspension adjusting amounts on two sides of a vehicle, so that the symmetry of wheel ends on two sides of an axle can be ensured, and the adjusting mode is simple.
Therefore, the front support structure can ensure that the wheel ends at the two sides of the axle are symmetrical by disassembling the bolt 4 and replacing the taper sleeve 5; after the axle distance is adjusted in a host factory, the eccentric cone head and the support do not need to be welded, the damage to the original support coating can be avoided, the corrosion resistance and the appearance quality of parts can not be reduced, the welding stress concentration can not be generated, and the service life is prolonged.
In addition, each taper sleeve 5 is connected with the shaft sleeve in a taper fit mode, so that the outer conical surface of each taper sleeve 5 is abutted against the outer shaft sleeve 3 or the inner shaft sleeve 6, and the conical surfaces are tightly pressed through the fastening of the bolts 4, a self-centering effect can be achieved, and the bolts 4 are more stable and are not easy to loosen; further, as shown in fig. 1 and 2, the nut of the bolt 4 is of a cuboid structure, the left end face of the outer shaft sleeve is provided with an anti-rotation surrounding plate 12 to form a bolt anti-rotation groove, and the size of the cuboid structure is matched with the size of the bolt anti-rotation groove, so that the bolt 4 can be prevented from rotating in the screwing process. Specifically, the above matching refers to that the height H of the nut in the rectangular parallelepiped structure is matched with the height H of the slot hole of the bolt rotation preventing slot 11.
Of course, in order to further improve the service life, in a possible implementation manner, as shown in fig. 1, it further includes: the wear-resisting plate comprises a pair of wear-resisting plates 1, wherein each wear-resisting plate 1 comprises a vertical plate and a horizontal plate;
the vertical plate is positioned inside the front bracket body 2 and is connected with the shaft sleeve on the corresponding side; the vertical plate can protect the inner side wall of the front support body 2;
the horizontal plate is located at the bottom of the front bracket body 2, and the horizontal plate can protect the bottom surface of the front bracket body.
The shape of the wear plate 1 is not particularly limited in the embodiment of the present invention, and only needs to ensure that the wear plate can achieve the above protection function, and for example, as shown in fig. 1, the wear plate is L-shaped.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A front brace structure for air suspension wheelbase adjustment, comprising:
the front bracket body is fixedly connected with the frame;
the shaft sleeve set comprises an outer shaft sleeve and an inner shaft sleeve which are respectively arranged on the left side surface and the right side surface of the front bracket body, and the outer shaft sleeve and the inner shaft sleeve are both provided with long slotted holes;
the pair of taper sleeves are respectively matched and connected with the shaft sleeves on the corresponding sides, eccentric holes with preset eccentric distances are formed in the pair of taper sleeves, and the preset eccentric distances of any two pairs of taper sleeves are different;
and the bolt sequentially penetrates through the eccentric hole in the left taper sleeve, the long slotted hole in the outer shaft sleeve, the front support body, the long slotted hole in the inner shaft sleeve and the eccentric hole in the right taper sleeve from left to right and then is fixed on the outer side of the right taper sleeve by a fastener.
2. A front carrier structure for air suspension wheelbase adjustment according to claim 1, characterized in that the fastening means comprise: the locking nut is positioned on the right side of the gasket and used for enabling the gasket to abut against the right side face of the right taper sleeve when the gasket is screwed tightly.
3. A front brace structure for air suspension wheelbase adjustment as defined in claim 2 wherein the fastener further includes a nut located to the right of the lock nut.
4. A front carrier structure for air suspension wheelbase adjustment according to claim 1, characterized in that it further comprises: a pair of wear plates comprising a vertical plate and a horizontal plate;
the vertical plate is positioned in the front bracket body and is connected with the shaft sleeve on the corresponding side;
the horizontal plate is positioned at the bottom of the front bracket body.
5. The front bracket structure for adjusting the wheelbase of the air suspension as claimed in claim 1, wherein the nut of the bolt is of a cuboid structure, an anti-rotation surrounding plate is arranged on the left end face of the outer shaft sleeve to form an anti-rotation bolt slot, and the size of the cuboid structure is matched with that of the anti-rotation bolt slot.
6. A front brace construction for air suspension wheelbase adjustment according to claim 1, characterized in that each of said cones is connected with said collar with a taper fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220919340.4U CN216993770U (en) | 2022-04-21 | 2022-04-21 | Front support structure for adjusting air suspension wheel base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220919340.4U CN216993770U (en) | 2022-04-21 | 2022-04-21 | Front support structure for adjusting air suspension wheel base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216993770U true CN216993770U (en) | 2022-07-19 |
Family
ID=82378255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220919340.4U Active CN216993770U (en) | 2022-04-21 | 2022-04-21 | Front support structure for adjusting air suspension wheel base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216993770U (en) |
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2022
- 2022-04-21 CN CN202220919340.4U patent/CN216993770U/en active Active
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