CN220947413U - Empty assembly that hangs of semitrailer - Google Patents
Empty assembly that hangs of semitrailer Download PDFInfo
- Publication number
- CN220947413U CN220947413U CN202322646529.8U CN202322646529U CN220947413U CN 220947413 U CN220947413 U CN 220947413U CN 202322646529 U CN202322646529 U CN 202322646529U CN 220947413 U CN220947413 U CN 220947413U
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- face
- guide arm
- suspension assembly
- semi
- shock absorber
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- 239000000725 suspension Substances 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 31
- 239000006096 absorbing agent Substances 0.000 claims abstract description 29
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000003825 pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to the technical field of empty suspension assemblies, and discloses a semi-trailer empty suspension assembly which comprises a guide arm and a shock absorber, wherein a connecting hole is formed in the position, close to the other side, of the upper end face of the guide arm, an air spring is movably arranged in the position, close to the other side, of the upper end face of the guide arm, an air bag mounting plate is movably arranged in the upper end face of the air spring, a top hole is formed in the position, close to the one side, of the upper end face of the guide arm, one end of the shock absorber is hinged to the inner wall of the top hole through a third fixing bolt, and connecting shafts are fixedly arranged in the positions, close to the one sides, of the front end face and the rear end face of the guide arm. According to the utility model, the light-weight integrated structure strong torsion-resistant air suspension is characterized in that the guide arm is of a hollowed stamping forming welding structure, the weight of the guide arm is greatly reduced, the guide arm is welded and assembled with the round axle tube to form a guide arm and axle integrated structure, auxiliary parts such as an axle adapter seat and a U-shaped bolt are removed, and the weight, the installation workload and the later maintenance cost are reduced.
Description
Technical Field
The utility model relates to the technical field of empty suspension assemblies, in particular to a semi-trailer empty suspension assembly.
Background
The Chinese operators are wide, the climates and the roads are various and complex, and the requirements on transportation vehicles are high. Air suspensions are important components of vehicles that connect axles and frames, and are subject to many challenges.
The existing trailer disc brake bridge air suspension is mainly a 150x150 square shaft tube disc brake bridge and a drum brake bridge, the square shaft tube bridge has general bending resistance and torsion resistance, and the dead weight of the axle is large. The spring beam guide arm is a German air suspension in the market, and the torsion resistance is general, so that the spring beam guide arm has higher requirements on road conditions, is suitable for gentle expressways, has poorer coping capability on complex road conditions, multi-slope and multi-bend rugged roads or highways, and is not suitable for the complex road conditions. The De-type air suspension of the spring beam guide arm is of a small module integrated structure, the guide arm is formed by forging special spring steel, an axle adapter seat is required to be additionally arranged for connecting the guide arm and an axle, an upper pressing plate, a lower pressing plate and a U-shaped bolt are assembled and installed, more parts are needed to be installed, and the later parts which need to be maintained are more, so that the cost is increased for maintenance.
Accordingly, a semitrailer suspension assembly is provided by one skilled in the art to solve the above-mentioned problems set forth in the background art.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides the empty suspension assembly of the semitrailer, wherein the guide arm is of a stamping forming welding structure, the integrated structure is simpler for mounting later-stage parts, the mounting workload is small, the later-stage maintenance and the maintenance are less and simple, and the maintenance cost can be saved for users.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the empty suspension assembly of the semitrailer comprises a guide arm and a shock absorber, wherein a top hole is formed in the position, close to one side, of the upper end face of the guide arm, a connecting hole is formed in the position, close to the other side, of the upper end face of the guide arm, an air spring is movably arranged in the position, close to the other side, of the upper end face of the guide arm, an air bag mounting plate is movably arranged on the upper end face of the air spring, one end of the shock absorber is hinged to the inner wall of the top hole through a third fixing bolt, and connecting shafts are fixedly arranged in the positions, close to one side, of the front end face and the rear end face of the guide arm;
The front end face and the rear end face of the guide arm are hinged to a front support, connecting sleeves are fixedly arranged on the front end face and the rear end face of the front support on the upper side, through holes are formed in the front end face and the rear end face of the front support on the lower side, high-strength bolts are sleeved between the inner walls of the two connecting shafts in a threaded manner, a baffle is fixedly arranged on the front end face and the rear end face of the front support on the middle position, and a process hole is formed in the end face of the other side of the guide arm on the upper side;
Through above-mentioned technical scheme, the strong antitorque type air suspension of lightweight integral type structure, the guide arm adopts fretwork stamping forming welded structure, reduces guide arm weight by a wide margin to guide arm and circular axle central siphon welding equipment form guide arm and axle integral type structure, get rid of auxiliary parts such as axle adaptation seat, U type bolt, reduce weight, installation work load and later maintenance cost.
Further, a first opening is formed in the position, close to one side, of the front end face of the guide arm;
Through above-mentioned technical scheme, fretwork stamping forming welding guide arm, with bumper shock absorber mounting hole integrated in the centrally-mounted fretwork position of guide arm body, simple installation, and the bumper shock absorber atress is even, and when normal beating, no torsion effect, the protection bumper shock absorber that can be better, the life of reinforcing bumper shock absorber.
Further, a second opening is formed in the middle of the front end face of the guide arm and close to the other side;
Through the technical scheme, the hollow stamping forming welding guide arm is provided with the large-diameter rubber bushing, and the bushing is excellent in torsion resistance, less in maintenance, long in service life and good in bearing capacity.
Further, the air spring is fixedly connected with the connecting hole through a bolt;
through above-mentioned technical scheme, make things convenient for the bolt to carry out fixed connection to air spring, the elasticity effect that its produced is better.
Further, the air bag mounting plate is fixedly connected with the air spring through a first fixing bolt;
Through above-mentioned technical scheme, the gasbag mounting panel is fixed on air spring by first fixing bolt, compresses tightly air spring and makes its fixation more firm.
Further, the two connecting shafts are respectively rotatably arranged on the inner walls of the two through holes;
through above-mentioned technical scheme, the fore-stock passes through the through-hole and is connected with the connecting axle, makes things convenient for fore-stock and bumper shock absorber cooperation for the shock attenuation effect is better.
Further, a frame plate is fixedly arranged on the upper side of the inner wall of the front bracket near one side;
Through above-mentioned technical scheme, promote the intensity of fore-stock through the deckle board for it is better with the bumper shock absorber connection.
Further, the shock absorber is hinged to the upper side of one side of the inner wall of the front bracket through a second fixing bolt, and the second fixing bolt is sleeved on the inner walls of the two connecting sleeves in a threaded manner;
Through above-mentioned technical scheme, the front bracket is fixed the bumper shock absorber through the second bolt for the bumper shock absorber is fixed more firm.
The utility model has the following beneficial effects:
1. According to the semitrailer suspension assembly, the light-weight integrated structure strong torsion-resistant air suspension is provided, the guide arm is of a hollowed stamping forming welding structure, the weight of the guide arm is greatly reduced, the guide arm and the round axle tube are welded and assembled to form an integrated structure of the guide arm and the axle, auxiliary parts such as an axle adapter seat and a U-shaped bolt are removed, and the weight, the installation workload and the later maintenance cost are reduced.
2. According to the semitrailer suspension assembly, the guide arm is welded through hollowed stamping, the damper mounting hole is integrated in the hollowed position in the guide arm body, the installation is simple and convenient, the damper is uniformly stressed, no torsion is applied when the damper normally jumps, the damper can be better protected, and the service life of the damper is prolonged. And the body is integrated with the porous air bag mounting hole, so that the air spring with multiple brands and multiple models can be suitable for the air springs, and the wider requirement range of customers can be met.
3. The hollow suspension assembly of the semitrailer has the characteristics of excellent torsional resistance, less maintenance, long service life, good bearing capacity and the like, and is mature and reliable in technology.
4. The guide arm bracket connected with the frame of the semi-trailer air suspension assembly provided by the utility model adopts a 6mm high-strength steel stamping bulge structure, has the characteristics of stable structure, strong torsion resistance, light weight, fatigue resistance and the like, and not only meets the bearing strength, but also has a certain protection effect on the frame.
Drawings
FIG. 1 is a schematic axial view of a semi-trailer suspension assembly according to the present utility model;
FIG. 2 is a schematic axial view of a guide arm of a semi-trailer suspension assembly according to the present utility model;
FIG. 3 is a schematic axial view of a front frame of a semi-trailer suspension assembly according to the present utility model;
FIG. 4 is a schematic front view of a semi-trailer suspension assembly according to the present utility model;
Fig. 5 is a schematic top view of a semitrailer suspension assembly according to the present utility model.
Legend description:
1. An air spring; 2. an air bag mounting plate; 3. a first fixing bolt; 4. a guide arm; 5. a damper; 6. a second fixing bolt; 7. a front bracket; 8. a baffle; 9. a high strength bolt; 10. a first opening; 11. a third fixing bolt; 12. a second opening; 13. a connection hole; 14. a top hole; 15. a connecting shaft; 16. connecting sleeves; 17. a frame plate; 18. a through hole; 19. and (5) processing holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, one embodiment provided by the present utility model is: the empty suspension assembly of the semitrailer comprises a guide arm 4 and a shock absorber 5, wherein a connecting hole 13 is formed in the position, close to the other side, of the upper end face of the guide arm 4, an air spring 1 is movably arranged in the position, close to the other side, of the upper end face of the guide arm 4, an air bag mounting plate 2 is movably arranged on the upper end face of the air spring 1, a top hole 14 is formed in the position, close to one side, of the upper end face of the guide arm 4, a shock absorber 5 is conveniently connected with the guide arm 4, one end of the shock absorber 5 is hinged to the inner wall of the top hole 14 through a third fixing bolt 11, and connecting shafts 15 are fixedly arranged on the positions, close to one side, of the front end face and the rear end face of the guide arm 4;
The front end face and the rear end face of the guide arm 4 are hinged to be provided with a front support 7 near one side, the front end face and the rear end face of the front support 7 are fixedly provided with connecting sleeves 16 near the upper side, the front end face and the rear end face of the front support 7 are provided with through holes 18 near the lower side, high-strength bolts 9 are sleeved between the inner walls of the two connecting shafts 15 in a threaded mode, the front end face and the rear end face of the front support 7 are fixedly provided with baffle plates 8 near the middle position, the guide arm 4 adopts a hollowed stamping forming welding structure, the weight of the guide arm 4 is greatly reduced, the guide arm 4 is welded and assembled with a round axle tube, the guide arm 4 and the axle tube are integrally formed, auxiliary parts such as an axle adapter seat and a U-shaped bolt are removed, the weight, the installation workload and the later maintenance cost are reduced, and the other side end face of the guide arm 4 is provided with process holes 19 near the upper side.
The first trompil 10 has been seted up to guide arm 4 preceding terminal surface near one side position, fretwork stamping forming welding guide arm 4, with the integrated in the centrally mounted fretwork position of guide arm 4 body of bumper shock absorber 5 mounting hole, simple installation, and bumper shock absorber 5 atress is all had, during normal jumping, no torsion effect, the protection bumper shock absorber 5 that can be better, the life of reinforcing bumper shock absorber 5, second trompil 12 has been seted up near the opposite side position in the middle of the guide arm 4 preceding terminal surface, fretwork stamping forming welding guide arm 4 installs the major diameter rubber bushing, this bush torsional properties is superior, and is maintained fewly, long service life, bearing capacity is good.
Air spring 1 carries out fixed connection through bolt and connecting hole 13 fixed connection, make things convenient for the bolt to carry out fixed connection to air spring 1, the elastic effect that its produced is better, gasbag mounting panel 2 is fixed on air spring 1 through first fixing bolt 3 with air spring 1 fixed connection, it makes its fixed more firm to compress tightly air spring 1, two connecting axles 15 rotate respectively and set up at two through-hole 18 inner walls, fore-stock 7 passes through-hole 18 and is connected with connecting axle 15, make things convenient for fore-stock 7 and bumper shock absorber 5 cooperation, make shock attenuation effect better, the fore-stock 7 inner wall upside is provided with frame 17 by the fixed side position, promote the intensity of fore-stock 7 through frame 17, make it be connected better with bumper shock absorber 5, bumper shock absorber 5 articulates the setting in fore-stock 7 inner wall one side is by the upside position through second fixing bolt 6, second fixing bolt 6 thread bush is established at two adapter sleeve 16 inner walls, fore-stock 7 is fixed bumper shock absorber 5 through the second bolt, make bumper shock absorber 5 fixed more firmly.
Working principle: the guide arm 4 is a stamping forming welding structure, is provided with a large-diameter guide arm 4 bushing, is integrally welded and connected with an axle, reduces auxiliary accessories such as an axle adapter seat, a pressing plate and a U-shaped bolt, connects an air bag, integrates a shock absorber 5 hole site on the guide arm 4 body, ensures that the guide arm 4 has lighter overall quality and stronger torsion resistance under the condition of superior performance, can cope with complex road conditions, and can better release and absorb complex ground impact force of multi-mountain multi-bend road conditions.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a semitrailer suspension assembly, includes guide arm (4) and bumper shock absorber (5), its characterized in that: a top hole (14) is formed in the upper end face of the guide arm (4) near one side, a connecting hole (13) is formed in the upper end face of the guide arm (4) near the other side, an air spring (1) is movably arranged in the upper end face of the guide arm (4) near the other side, an air bag mounting plate (2) is movably arranged on the upper end face of the air spring (1), one end of the shock absorber (5) is hinged to the inner wall of the top hole (14) through a third fixing bolt (11), and connecting shafts (15) are fixedly arranged in the positions of the front end face and the rear end face of the guide arm (4) near one side;
The guide arm (4) front end face and rear end face lean on one side position to hinge and are provided with fore-stock (7), fore-stock (7) front end face and rear end face one side lean on upside position all fixedly to be provided with adapter sleeve (16), through-hole (18) have all been seted up to fore-stock (7) front end face and rear end face lean on downside position, two between connecting axle (15) inner wall thread bush is equipped with high strength bolt (9), fore-stock (7) front end face and rear end face lean on intermediate position fixedly to be provided with baffle (8), technological hole (19) have been seted up to guide arm (4) opposite side terminal surface lean on upside position.
2. The semi-trailer suspension assembly of claim 1 wherein: the front end surface of the guide arm (4) is provided with a first opening (10) near one side.
3. The semi-trailer suspension assembly of claim 1 wherein: the middle of the front end face of the guide arm (4) is provided with a second opening (12) near the other side.
4. The semi-trailer suspension assembly of claim 1 wherein: the air spring (1) is fixedly connected with the connecting hole (13) through a bolt.
5. The semi-trailer suspension assembly of claim 1 wherein: the air bag mounting plate (2) is fixedly connected with the air spring (1) through a first fixing bolt (3).
6. The semi-trailer suspension assembly of claim 1 wherein: the two connecting shafts (15) are respectively and rotatably arranged on the inner walls of the two through holes (18).
7. The semi-trailer suspension assembly of claim 1 wherein: a frame plate (17) is fixedly arranged on the upper side of the inner wall of the front bracket (7) near one side.
8. The semi-trailer suspension assembly of claim 1 wherein: the shock absorber (5) is hinged to the upper side of one side of the inner wall of the front support (7) through a second fixing bolt (6), and the second fixing bolt (6) is sleeved on the inner walls of the two connecting sleeves (16) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646529.8U CN220947413U (en) | 2023-09-28 | 2023-09-28 | Empty assembly that hangs of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646529.8U CN220947413U (en) | 2023-09-28 | 2023-09-28 | Empty assembly that hangs of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947413U true CN220947413U (en) | 2024-05-14 |
Family
ID=90982632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322646529.8U Active CN220947413U (en) | 2023-09-28 | 2023-09-28 | Empty assembly that hangs of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947413U (en) |
-
2023
- 2023-09-28 CN CN202322646529.8U patent/CN220947413U/en active Active
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| GR01 | Patent grant | ||
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