CN220785379U - Guide arm fixing device and heavy commercial vehicle - Google Patents
Guide arm fixing device and heavy commercial vehicle Download PDFInfo
- Publication number
- CN220785379U CN220785379U CN202322536977.2U CN202322536977U CN220785379U CN 220785379 U CN220785379 U CN 220785379U CN 202322536977 U CN202322536977 U CN 202322536977U CN 220785379 U CN220785379 U CN 220785379U
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- Prior art keywords
- positioning
- cover plate
- guide arm
- arm fixing
- fixing device
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- 239000013585 weight reducing agent Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000000670 limiting effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a guide arm fixing device and a heavy commercial vehicle, which relate to the field of guide arm fixing, and adopt the following scheme: including riding bolt, upper cover plate and lower apron, the riding bolt opening is upwards, the riding bolt includes location head and two connecting portions, the location head can be overlapped and establish on the first setting element, be provided with first setting element on the lower apron, connecting portion can with upper cover plate connection. The utility model can shorten the extending size of the guide arm fixing device below the guide arm, increase the minimum ground clearance of the vehicle and improve the trafficability of the vehicle.
Description
Technical Field
The utility model relates to the field of guide arm fixing, in particular to a guide arm fixing device and a heavy commercial vehicle.
Background
The automobile guide arm elastically connects the automobile body and the automobile together, and when the automobile is driven, the lower support arm elastically connects the axle with the automobile frame, so that the impact caused by ground causes is relieved when the automobile is driven, the comfort of riding is ensured, the guide arm can also transmit the counter force and moment from longitudinal, vertical or lateral directions, so that wheels move with the automobile body in the same ratio according to a certain track, and the guide effect is realized; the guide arm is integrated into one piece including straight portion, bending portion and book ear, and straight portion is installed in the axle, and the one end and the straight portion of bending portion link to each other, and the other end of bending portion is located to the book ear to curl the formation and be used for installing the curling hole of guide arm support.
Among the prior art, the guide arm passes through guide arm fixing device and is connected with the frame, as shown in fig. 1, guide arm fixing device includes the upper cover plate, lower apron, riding bolt and nut, riding bolt opening is downwards and be equipped with two, the lower apron is located the frame bottom and is convenient for install riding bolt, be equipped with the connecting hole on the corresponding bottom plate, the axle upper end is equipped with the gasket, be equipped with the guide arm on the gasket, the guide arm upper end is equipped with the upper cover plate, the upper cover plate upper end is equipped with riding bolt, riding bolt lower extreme passes through bolt-nut with lower apron and is connected, with upper cover plate, backing plate and lower apron, axle and guide arm fastening together.
By adopting the technical scheme, the guide arm can be fixed, the vibration reduction effect is achieved, but the structure of the lower part of the guide arm in the fixing device is more, the size extending to the lower part of the axle is larger, the minimum ground clearance of the vehicle is reduced, and the trafficability of the vehicle is influenced.
Disclosure of utility model
In order to solve the technical problem that the guide arm fixing device in the prior art reduces the minimum ground clearance of a vehicle, the utility model provides the guide arm fixing device and a heavy-duty commercial vehicle, the size of the guide arm fixing device extending downwards of an axle is shortened, the minimum ground clearance of the vehicle is increased, and the trafficability of the vehicle is improved.
In a first aspect, the present utility model provides a guide arm fixing device for solving the above technical problem, including a saddle bolt, an upper cover plate and a lower cover plate, where an opening of the saddle bolt is upward, the saddle bolt includes a positioning head and two connecting portions, a first positioning member is disposed on the lower cover plate, the positioning head can be sleeved on the first positioning member, and the connecting portions can be connected with the upper cover plate. Through upwards setting up the saddle bolt opening to realize the location on the lower apron, avoid the nut on the saddle bolt to arrange in lower apron lower part, can reduce saddle bolt to the size that the axle below extends, increase the minimum clearance that leaves the ground of vehicle, promote the trafficability characteristic of vehicle.
Further, the lower surface of the first positioning piece is an arc surface and is matched with the positioning head. The contact area between the first locating piece and the locating head can be increased through the cambered surface, so that the locating effect is improved, and the saddle bolt is prevented from swinging.
Further, the connecting portion is connected with the positioning head portion through a corresponding middle positioning portion, second positioning pieces are symmetrically arranged on two sides of the lower cover plate, positioning grooves are formed between the second positioning pieces and the first positioning pieces, and the middle positioning portion penetrates through the positioning grooves. The limit function of the lower cover plate on the saddle bolt can be further enhanced through the cooperation of the middle positioning part and the positioning groove, and swing in the assembly process is effectively prevented.
Further, the surface of the middle positioning part opposite to the groove wall of the positioning groove is a plane. The contact area between the middle positioning part and the positioning groove can be increased through the arrangement of the plane, and the positioning effect is improved.
Further, a weight reducing groove is formed in the lower cover plate, a weight reducing hole is formed in the first positioning piece, and the weight reducing hole penetrates through the weight reducing groove. The weight reduction of the device is realized through the weight reduction groove and the weight reduction hole.
Further, a connecting hole is formed in the upper cover plate and used for being connected with the connecting portion.
Further, the upper cover plate is further provided with a positioning hole, the positioning hole is used for being matched with a central bolt on the guide arm, the lower surface of the upper cover plate is provided with a limiting groove, and the limiting groove is matched with a first plate spring piece on the guide arm. The upper cover plate is positioned through the positioning holes and the limiting grooves, so that stress deviation during assembly is prevented.
Furthermore, the two sides of the upper cover plate are symmetrically provided with abdication grooves. The upper cover plate and other parts are prevented from interfering by the arrangement of the abdicating groove, so that the spatial arrangement of the suspension is facilitated.
In a second aspect, the utility model provides a heavy commercial vehicle comprising a vehicle frame and an axle, wherein the vehicle frame is provided with a guide arm, the guide arm is connected with the axle through the guide arm fixing device, the lower cover plate is arranged on the axle, and the positioning head is higher than the lower surface of the axle. Through the upward installation of the saddle bolt opening, the minimum ground clearance of the vehicle is increased, and the trafficability characteristic of the vehicle is improved.
Further, the lower cover plate is welded with the axle.
From the above technical scheme, the utility model has the following advantages:
The utility model provides a guide arm fixing device and a heavy-duty commercial vehicle, wherein a saddle bolt opening is arranged upwards, and positioning is realized on a lower cover plate, so that nuts on the saddle bolt are prevented from being arranged at the lower part of the lower cover plate, the extension size of the saddle bolt to the lower part of an axle can be reduced, the minimum ground clearance of the vehicle is increased, and the trafficability of the vehicle is improved; the contact area between the first positioning piece and the positioning head can be increased through the cambered surface, so that the positioning effect is improved, and the swinging of the saddle bolt is prevented; the limit function of the lower cover plate on the saddle bolt can be further enhanced through the cooperation of the middle positioning part and the positioning groove, and swing in the assembly process is effectively prevented; the weight of the device is reduced through the weight reducing groove and the weight reducing hole; the upper cover plate is positioned through the positioning holes and the limiting grooves, so that stress deflection during assembly is prevented; the upper cover plate and other parts are prevented from interfering by the arrangement of the abdicating groove, so that the spatial arrangement of the suspension is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an assembly structure of a guide arm and a guide arm fixing device in the prior art.
Fig. 2 is a schematic view of an assembly structure of a guide arm according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a saddle bolt according to a first embodiment of the present utility model.
Fig. 4 is a schematic structural view of a lower cover plate according to a first embodiment of the present utility model.
Fig. 5 is a schematic diagram of a lower cover plate according to a first embodiment of the present utility model.
Fig. 6 is a schematic structural view of an upper cover plate according to a first embodiment of the present utility model.
Fig. 7 is a schematic partial structure of a second embodiment of the present utility model.
In the figure, 1, an axle; 2.a lower cover plate; 201. a second positioning member; 202. a first positioning member; 203. a lightening hole; 204. a weight reduction groove; 205. a positioning groove; 3. a saddle bolt; 301. a connection part; 302. an intermediate positioning portion; 303. positioning the head; 4. a guide arm; 5. an upper cover plate; 501. positioning holes; 502. a limit groove; 503. a connection hole; 504. a relief groove; 6. and (3) a nut.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
Detailed description of the preferred embodiments
As shown in fig. 2 to 5, this embodiment provides a guide arm fixing device, including a saddle bolt 3, an upper cover plate 5 and a lower cover plate 2, the saddle bolt 3 is opened upwards, the saddle bolt 3 includes a positioning head 303 and two connecting portions 301, a first positioning member 202 is provided on the lower cover plate 2, the positioning head 303 can be sleeved on the first positioning member 202, the connecting portions 301 can be connected with the upper cover plate 5, and in this embodiment, nuts 6 are provided at the ends of the connecting portions 301. Through upwards setting the saddle bolt 3 opening to realize the location on lower apron 2, avoid the nut 6 on the saddle bolt 3 to arrange in lower apron 2 lower part, can reduce saddle bolt 3 to the size that axle 1 below extends, increase the minimum clearance that leaves of vehicle, promote the trafficability characteristic of vehicle.
As shown in fig. 3 to 5, in order to position the saddle bolt 3 during assembly, the lower surface of the first positioning member 202 is an arc surface and is matched with the positioning head 303, so that the contact area between the first positioning member 202 and the positioning head 303 can be increased through the arc surface, the positioning effect is improved, and the saddle bolt 3 is prevented from swinging; the connecting part 301 is connected with the positioning head 303 through the corresponding middle positioning part 302, the two sides of the lower cover plate 2 are symmetrically provided with the second positioning piece 201, a positioning groove 205 is arranged between the corresponding side surfaces of the second positioning piece 201 and the first positioning piece 202, the middle positioning part 302 penetrates through the positioning groove 205, the limiting effect of the lower cover plate 2 on the saddle bolt 3 can be further enhanced through the cooperation of the middle positioning part 302 and the positioning groove 205, and the swinging in the assembly process is effectively prevented; in this embodiment, the second positioning member 201 is located at the upper portion of the lower cover plate 2, and in order to increase the contact area between the middle positioning portion 302 and the positioning groove 205, the surface of the middle positioning portion 302 opposite to the groove wall of the positioning groove 205 is a plane; in order to achieve weight reduction, the lower cover plate 2 is provided with a weight-reducing groove 204, and the first positioning member 202 is provided with a weight-reducing hole 203, and the weight-reducing hole 203 penetrates the weight-reducing groove 204.
As shown in fig. 6, in this embodiment, the upper cover 5 may have the following specific structure: the upper cover plate 5 is provided with a connecting hole 503, the connecting hole 503 is used for being connected with the connecting part 301, the upper cover plate 5 is also provided with a positioning hole 501, the positioning hole 501 is used for being matched with a central bolt on the guide arm 4, in the specific embodiment, the positioning hole 501 is in clearance fit with the central bolt on the guide arm 4, the lower surface of the upper cover plate 5 is provided with a limit groove 502, the limit groove 502 is matched with a first plate spring piece on the guide arm 4, the upper cover plate 5 is positioned through the positioning hole 501 and the limit groove 502, and stress deflection during assembly is prevented; the two sides of the upper cover plate 5 are symmetrically provided with the yielding grooves 504, and the yielding grooves 504 are arranged to avoid interference between the upper cover plate 5 and other parts, so that the space arrangement of the suspension is facilitated.
Detailed description of the preferred embodiments
As shown in fig. 7, this embodiment provides a heavy commercial vehicle, including a vehicle frame and an axle 1, wherein a guide arm 4 is provided on the vehicle frame, the guide arm 4 is connected with the axle 1 through a guide arm fixing device in the second embodiment, a lower cover plate 2 is provided on the axle 1, a positioning head 303 is higher than the lower surface of the axle 1, and in this embodiment, the lower cover plate 2 is welded with the axle 1. Through setting up the installation in saddle bolt 3 opening upwards, increased the minimum clearance that leaves of vehicle, promote the trafficability characteristic of vehicle.
In the specific embodiment, the minimum ground clearance of the axle is optimized from 120mm to 190mm, and the ground clearance is increased by 70mm, so that the trafficability of the vehicle is improved.
From the above detailed description, it can be seen that the present utility model has the following advantages:
1. The saddle bolts 3 are arranged upwards in an opening manner and are positioned on the lower cover plate 2, so that nuts 6 on the saddle bolts 3 are prevented from being arranged at the lower part of the lower cover plate 2, the extension size of the saddle bolts 3 to the lower part of the axle 1 can be reduced, the minimum ground clearance of a vehicle is increased, and the trafficability of the vehicle is improved;
2. The contact area between the first positioning piece 202 and the positioning head 303 can be increased through the cambered surface, so that the positioning effect is improved, and the swinging of the saddle bolt 3 is prevented;
3. the limit action of the lower cover plate 2 on the saddle bolt 3 can be further enhanced through the cooperation of the middle positioning part 302 and the positioning groove 205, and the swinging in the assembly process is effectively prevented;
4. the weight reduction of the device is realized through the weight reduction groove 204 and the weight reduction hole 203;
5. The upper cover plate 5 is positioned through the positioning holes 501 and the limiting grooves 502, so that stress deflection during assembly is prevented;
6. By arranging the relief groove 504, interference between the upper cover plate 5 and other parts is avoided, and the spatial arrangement of the suspension is facilitated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a guide arm fixing device, includes saddle bolt (3), upper cover plate (5) and lower apron (2), its characterized in that, saddle bolt (3) opening upwards, saddle bolt (3) are provided with first locating part (202) including location head (303) and two connecting portion (301) on lower apron (2), location head (303) can overlap and establish on first locating part (202), connecting portion (301) can be connected with upper cover plate (5).
2. Guide arm fixing according to claim 1, characterized in that the lower surface of the first positioning element (202) is cambered and matches the positioning head (303).
3. The guide arm fixing device according to claim 2, wherein the connecting portion (301) is connected with the positioning head portion (303) through a corresponding middle positioning portion (302), second positioning pieces (201) are symmetrically arranged on two sides of the lower cover plate (2), a positioning groove (205) is formed between the second positioning pieces (201) and the first positioning pieces (202), and the middle positioning portion (302) penetrates through the positioning groove (205).
4. A guide arm fixing device according to claim 3, characterized in that the surface of the intermediate positioning portion (302) opposite the wall of the positioning groove (205) is planar.
5. Guide arm fixing arrangement according to any of claims 1-4, characterized in that the lower cover plate (2) is provided with a weight reducing groove (204), the first positioning member (202) is provided with a weight reducing hole (203), and the weight reducing hole (203) extends through the weight reducing groove (204).
6. Guide arm fixing device according to claim 5, characterized in that the upper cover plate (5) is provided with a connecting hole (503), the connecting hole (503) being adapted to be connected to the connecting part (301).
7. The guide arm fixing device according to claim 6, wherein the upper cover plate (5) is further provided with a positioning hole (501), the positioning hole (501) is used for being matched with a central bolt on the guide arm, the lower surface of the upper cover plate (5) is provided with a limit groove (502), and the limit groove (502) is matched with the first plate spring piece on the guide arm.
8. Guide arm fixing according to claim 7, characterized in that the upper cover plate (5) is also symmetrically provided with relief grooves (504) on both sides.
9. A heavy commercial vehicle comprising a vehicle frame and an axle (1), characterized in that the vehicle frame is provided with a guiding arm (4), the guiding arm (4) is connected with the axle (1) by a guiding arm fixing device according to claim 1, a lower cover plate (2) is arranged on the axle (1), and a positioning head (303) is higher than the lower surface of the axle (1).
10. Heavy commercial vehicle according to claim 9, characterized in that the lower cover plate (2) is welded to the axle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322536977.2U CN220785379U (en) | 2023-09-19 | 2023-09-19 | Guide arm fixing device and heavy commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322536977.2U CN220785379U (en) | 2023-09-19 | 2023-09-19 | Guide arm fixing device and heavy commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785379U true CN220785379U (en) | 2024-04-16 |
Family
ID=90660486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322536977.2U Active CN220785379U (en) | 2023-09-19 | 2023-09-19 | Guide arm fixing device and heavy commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785379U (en) |
-
2023
- 2023-09-19 CN CN202322536977.2U patent/CN220785379U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |