CN211617358U - Double-rear-axle air suspension of truck - Google Patents
Double-rear-axle air suspension of truck Download PDFInfo
- Publication number
- CN211617358U CN211617358U CN202020100992.6U CN202020100992U CN211617358U CN 211617358 U CN211617358 U CN 211617358U CN 202020100992 U CN202020100992 U CN 202020100992U CN 211617358 U CN211617358 U CN 211617358U
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- Prior art keywords
- plate
- sliding sleeve
- spring
- connecting plate
- fixedly connected
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- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract 8
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 2
- 238000005461 lubrication Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a two rear axle air suspension of lorry, which comprises a vehicle rack, there is first mounting panel through bolted connection on the frame, the welding has the fixed plate on the first mounting panel, the one end that first mounting panel was kept away from to the fixed plate is rotated through the bearing and is connected with the dwang, the welding has the steel sheet on the dwang, the welding has the traveller on the steel sheet, the traveller slides and has cup jointed first sliding sleeve, first sliding sleeve passes through bolted connection with the frame, the first spring of fixedly connected with between first sliding sleeve and the traveller, the one end welding that the dwang was kept away from to the steel sheet has lower connecting plate, fixedly connected with air spring on the lower connecting plate. The utility model discloses can be so that two air springs cushion the shock attenuation for two rear axles simultaneously, do not need every rear axle to set up two air springs alone, greatly reduced makes the car cost, still has spacing effect in buffering the shock attenuation, need not set up suspension stop gear alone.
Description
Technical Field
The utility model relates to a two rear axle air suspension technical field especially relate to a two rear axle air suspensions of lorry.
Background
At present, in order to improve the load carrying capacity, a large truck usually adopts a plurality of rear axles, wherein the adoption of double rear axles is a common mode. In China, the double rear axle generally has two arrangement forms: one is a duplex drive axle, and in the driving mode, the two rear axles are both drive axles, so that enough power can be provided for the whole vehicle when the vehicle is fully loaded; and the other one of the two rear axles is a drive axle, and the other rear axle is a bearing axle and does not play a driving role.
In the prior art, most of double-rear-axle air suspension needs two air springs for each rear axle, the vehicle manufacturing cost is increased along with the expensive price of the air springs, the maintenance cost of the damaged air springs is quite high, and a limiting mechanism of a suspension needs to be arranged independently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a double-rear axle air suspension of a truck.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-rear-axle air suspension of a truck comprises a truck frame, wherein a first mounting plate is connected onto the truck frame through bolts, a fixed plate is welded onto the first mounting plate, one end, away from the first mounting plate, of the fixed plate is rotatably connected with a rotating rod through a bearing, a steel plate is welded onto the rotating rod, a sliding column is welded onto the steel plate, a first sliding sleeve is sleeved on the sliding column in a sliding mode, the first sliding sleeve is connected with the truck frame through bolts, a first spring is fixedly connected between the first sliding sleeve and the sliding column, a lower connecting plate is welded at one end, away from the rotating rod, of the steel plate, an air spring is fixedly connected onto the lower connecting plate, a second mounting plate is fixedly connected at one end, away from the lower connecting plate, of the air;
the upper connecting plate is connected with a sliding block in a rotating mode through a pin shaft, the sliding block is sleeved with a second sliding sleeve in a sliding mode, a plurality of third springs are fixedly connected between the second sliding sleeve and the sliding block, and the second sliding sleeve is connected with the frame through bolts.
Preferably, the steel plate is fixedly connected with an axle mounting plate, and the axle mounting plate is rotatably connected with a rear axle through a bearing.
Preferably, one side of the upper connecting plate is provided with the air spring, the steel plate, the axle mounting plate, the rear axle, the first sliding sleeve, the sliding column, the first spring, the rotating rod and the fixing plate which are symmetrical to one side of the lower connecting plate.
Preferably, a connecting beam is welded between the two frames, and the steel plate is a steel plate spring.
Preferably, the second springs are provided at least two, and the third springs are provided at least two.
Preferably, CKC-220# lubricating oil is used for lubrication between the sliding column and the sliding sleeve and between the sliding block and the second sliding sleeve.
The utility model discloses contrast prior art, its advantage lies in:
1. when the vehicle passes through uneven pavement, the wheels are jacked, the lower connecting plate is jacked, the second spring is compressed, the upper connecting plate is jacked upwards by the second spring at the moment, the sliding block is jacked, the third spring is compressed, two air springs are compressed to filter vibration for the wheels, only two air springs are needed to filter vibration for the double rear axles simultaneously, the use of the air springs is reduced on the premise of ensuring the anti-vibration effect, and the vehicle manufacturing cost is greatly reduced.
2. When the wheel fell down, the bottom suspension board downstream, tensile second spring drove the bottom suspension board downstream, drives slider downstream, and when the slider contacted with the second sliding sleeve, the sliding sleeve retrained the slider for suspension system stops downstream, plays spacing effect when straining the shake, need not go alone to set up stop gear to suspension system, practices thrift the cost.
Drawings
Fig. 1 is the utility model provides a two rear axle air suspension's of lorry structural schematic.
Fig. 2 is the utility model provides a two rear axle air suspension's of lorry A department enlargedly.
Fig. 3 is the utility model provides a two rear axle air suspension top views of lorry.
In the figure: the device comprises a frame 1, a fixing plate 2, a first mounting plate 21, a rotating rod 3, a steel plate 4, a first sliding sleeve 5, a sliding column 51, a first spring 52, an axle mounting plate 6, a rear axle 61, an air spring 7, a second mounting plate 71, a lower connecting plate 8, an upper connecting plate 81, a second spring 9, a sliding block 10, a second sliding sleeve 11, a third spring 12 and a connecting beam 101.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a double-rear axle air suspension of a truck comprises a truck frame 1, wherein a first mounting plate 21 is connected to the truck frame 1 through a bolt, a fixing plate 2 is welded to the first mounting plate 21, one end, away from the first mounting plate 21, of the fixing plate 2 is rotatably connected to a rotating rod 3 through a bearing, a steel plate 4 is welded to the rotating rod 3, a sliding column 51 is welded to the steel plate 4, a first sliding sleeve 5 is slidably sleeved on the sliding column 51, the first sliding sleeve 5 is connected to the truck frame 1 through a bolt, a first spring 52 is fixedly connected between the first sliding sleeve 5 and the sliding column 51, one end, away from the rotating rod 3, of the steel plate 4 is welded to a lower connecting plate 8, an air spring 7 is fixedly connected to the lower connecting plate 8, a second mounting plate 71 is fixedly connected to one end, away;
a plurality of second springs 9 are fixedly connected to the lower connecting plate 8, an upper connecting plate 81 is fixedly connected to one end, away from the lower connecting plate 8, of each second spring 9, a sliding block 10 is connected to the upper connecting plate 81 in a rotating mode through a pin shaft, the sliding block 10 is sleeved with a second sliding sleeve 11 in a sliding mode, a plurality of third springs 12 are fixedly connected between the second sliding sleeve 11 and the sliding block 10, and the second sliding sleeve 11 is connected with the frame 1 through bolts.
Fixedly connected with axle mounting panel 6 on the steel sheet 4, axle mounting panel 6 rotates through the bearing and is connected with rear axle 61.
The air springs 7, the steel plate 4, the axle mounting plate 6, the rear axle 61, the first sliding sleeve 5, the sliding column 51, the first spring 52, the rotating rod 3 and the fixing plate 2 which are symmetrical to one side of the lower connecting plate 8 are arranged on one side of the upper connecting plate 81, and the symmetrically arranged suspension system jointly uses the two air springs 7 with the springs and the sliding blocks through the upper connecting plate and the lower connecting plate, so that the cost of using the air springs 7 is reduced.
The connecting beam 101 is welded between the two frames 1, the connecting beam 101 enables the frames to better bear the transverse force generated during steering, the steel plate 4 is a steel plate spring, and when the frames bump, the steel plate spring can buffer part of vibration for the air spring 7, so that the impact force borne by the air spring 7 is reduced, and the service life of the air spring 7 is prolonged.
The second spring 9 is provided with two at least, and third spring 12 is provided with two at least, guarantees the effect and the spacing effect of buffering, and second spring 9 all is provided with two with third spring 12 at least.
CKC-220# lubricating oil is used for lubrication between the sliding column 51 and the sliding sleeve 5 and between the sliding block 10 and the second sliding sleeve 11, the lubricating oil is used for lubrication at the sliding part to reduce the friction force between the sliding parts, abnormal sound is avoided during friction, and the service life of the whole suspension system is prolonged.
In the utility model, when the automobile passes through the bumpy road surface and the front wheel is jacked upwards, the lower connecting plate 8 is driven to move upwards, the lower connecting plate 8 compresses the second spring 9, the upper connecting plate 81 also moves upwards under the action of the second spring 9, the upper connecting plate 81 enables the slider 10 to slide upwards, the third spring 12 is compressed, at the same time, the two air springs 7 are compressed simultaneously, the impact force received by the front wheel is buffered, when the rear wheel is jacked upwards, the upper connecting plate 81 moves upwards, the second spring 9 is stretched, the second spring 9 drives the lower connecting plate 8 to move upwards simultaneously, the slider 10 slides upwards, the third spring 12 is compressed, at the same time, the two air springs 7 are compressed simultaneously, the impact force received by the rear wheel is buffered, and in the process of falling back of the front wheel and the rear wheel, the upper connecting plate 81 and the lower connecting plate 8 move downwards simultaneously, the sliding block 10 is driven to slide downwards, when the sliding block contacts the inner wall of the second sliding sleeve 11, the second sliding sleeve 11 restrains the sliding block 10, so that the suspension mechanisms of the two rear axles stop moving downwards, and the suspension mechanisms of the two rear axles are limited.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a two rear axle air suspension of lorry, includes frame (1), its characterized in that, there is first mounting panel (21) through bolted connection on frame (1), the welding has fixed plate (2) on first mounting panel (21), the one end that first mounting panel (21) were kept away from to fixed plate (2) is rotated through the bearing and is connected with dwang (3), the welding has steel sheet (4) on dwang (3), the welding has traveller (51) on steel sheet (4), traveller (51) slip cap has first sliding sleeve (5), first sliding sleeve (5) and frame (1) pass through bolted connection, fixedly connected with first spring (52) between first sliding sleeve (5) and traveller (51), the one end welding that dwang (3) were kept away from to steel sheet (4) has lower connecting plate (8), fixedly connected with air spring (7) on lower connecting plate (8), one end, far away from the lower connecting plate (8), of the air spring (7) is fixedly connected with a second mounting plate (71), and the second mounting plate (71) is connected with the frame (1) through bolts;
fixedly connected with a plurality of second springs (9) on lower connecting plate (8), every the common fixedly connected with upper junction plate (81) of one end of lower connecting plate (8) is kept away from in second spring (9), rotate through the round pin axle on upper junction plate (81) and be connected with slider (10), second sliding sleeve (11) has been cup jointed in slider (10) slip, a plurality of third springs (12) of fixedly connected with between second sliding sleeve (11) and slider (10), second sliding sleeve (11) pass through bolted connection with frame (1).
2. The air suspension of double rear axles of a truck as claimed in claim 1, characterized in that the steel plate (4) is fixedly connected with an axle mounting plate (6), and the axle mounting plate (6) is rotatably connected with the rear axle (61) through a bearing.
3. The air suspension of the double rear axles of the heavy truck as claimed in claim 1, wherein one side of the upper connecting plate (81) is provided with the air spring (7), the steel plate (4), the axle mounting plate (6), the rear axle (61), the first sliding sleeve (5), the sliding column (51), the first spring (52), the rotating rod (3) and the fixing plate (2) which are symmetrical to one side of the lower connecting plate (8).
4. The air suspension of double rear axles of a truck as claimed in claim 1, characterized in that a connecting beam (101) is welded between the two frames (1), and the steel plate (4) is a steel plate spring.
5. Double rear axle air suspension for a lorry according to claim 1, characterized in that at least two second springs (9) and at least two third springs (12) are provided.
6. The air suspension for double rear axles of a heavy vehicle as claimed in claim 1, wherein said sliding column (51) and said first sliding sleeve (5) and said sliding block (10) and said second sliding sleeve (11) are lubricated by using CKC-220# lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100992.6U CN211617358U (en) | 2020-01-17 | 2020-01-17 | Double-rear-axle air suspension of truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100992.6U CN211617358U (en) | 2020-01-17 | 2020-01-17 | Double-rear-axle air suspension of truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211617358U true CN211617358U (en) | 2020-10-02 |
Family
ID=72638469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100992.6U Expired - Fee Related CN211617358U (en) | 2020-01-17 | 2020-01-17 | Double-rear-axle air suspension of truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211617358U (en) |
-
2020
- 2020-01-17 CN CN202020100992.6U patent/CN211617358U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |