CN111823801A - Semitrailer air suspension - Google Patents
Semitrailer air suspension Download PDFInfo
- Publication number
- CN111823801A CN111823801A CN202010668958.3A CN202010668958A CN111823801A CN 111823801 A CN111823801 A CN 111823801A CN 202010668958 A CN202010668958 A CN 202010668958A CN 111823801 A CN111823801 A CN 111823801A
- Authority
- CN
- China
- Prior art keywords
- ring
- fixed
- guide rod
- shell
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 34
- 230000001050 lubricating effect Effects 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 19
- 239000010687 lubricating oil Substances 0.000 description 16
- 239000007787 solid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R17/00—Arrangements or adaptations of lubricating systems or devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of suspensions, in particular to a semitrailer air suspension, which comprises a shell, an air bag, a guide rod, an impurity removing mechanism and a lubricating mechanism, wherein the air bag is fixed at the top end of the shell; the guide rod is connected with the shell and the inner part of the air bag in a sliding mode; the impurity removing mechanism is fixed at the bottom end of the shell and comprises a scraping ring, a fixed block and a fixed sleeve, the fixed sleeve is installed at the bottom end of the shell, the hemispherical fixed blocks are symmetrically installed on the inner side wall of the fixed sleeve, and the top end of the fixed block is fixedly connected with the scraping ring and is in sliding connection with the inner side wall of the guide rod; the lubricating mechanism is arranged in the fixed sleeve, and the inner part of the fixed sleeve is connected with the guide rod in a sliding manner. The air suspension of the semitrailer provided by the invention can prevent dust from accumulating at the joint of the air bag suspension and the guide rod, and is convenient for the guide rod to move.
Description
Technical Field
The invention belongs to the technical field of suspensions, and particularly relates to a semitrailer air suspension.
Background
In order to improve the smoothness of the automobile, reduce the oil consumption and reduce the abrasion of tires, many semitrailers adopt a liftable air suspension structure to lift a first axle or a first axle and a second axle when the automobile is unloaded.
In the process of using the air bag suspension, the air bag suspension often drives axletree and guide arm up-and-down motion, and the in-process of axletree motion, dust in the air adsorbs on the surface of guide arm, and the guide arm gets into the inside of air bag suspension, and the dust is piled up at the junction of air bag suspension and guide arm along with the guide arm, the motion of inconvenient guide arm. Therefore, a new air suspension for semitrailers is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an air bag suspension structure.
In order to solve the technical problem, the air suspension of the semitrailer provided by the invention comprises a shell, an air bag, a guide rod, an impurity removing mechanism and a lubricating mechanism, wherein the air bag is fixed at the top end of the shell; the guide rod is connected with the shell and the inner part of the air bag in a sliding mode; the impurity removing mechanism is fixed at the bottom end of the shell and comprises a scraping ring, a fixed block and a fixed sleeve, the fixed sleeve is installed at the bottom end of the shell, the hemispherical fixed blocks are symmetrically installed on the inner side wall of the fixed sleeve, and the top end of the fixed block is fixedly connected with the scraping ring and is in sliding connection with the inner side wall of the guide rod; the lubricating mechanism is arranged in the fixed sleeve, and the inner part of the fixed sleeve is connected with the guide rod in a sliding manner.
Preferably, lubricating mechanism is including solid fixed ring, connecting rod, rubber ring and through-hole, the lateral wall slope of fixed block is installed the connecting rod, connecting rod fixed connection gu fixed ring, gu fixed ring's internally mounted the rubber ring, the bottom of rubber ring is equipped with the through-hole, just the inside of rubber ring with the lateral wall sliding connection of through-hole the guide arm.
Preferably, the rubber buffer is installed on the side wall of the fixing sleeve, and the rubber buffer is communicated with the inside of the rubber ring.
Preferably, the section of the fixing ring is semicircular, and the diameter of the fixing ring is smaller than that of the scraping ring.
Preferably, the section of the scraping ring is triangular, and the scraping ring is of a hollow circular truncated cone-shaped structure.
Preferably, the fixing ring is located between the two scraping rings, and the bottom surface inside the rubber ring is obliquely arranged.
Compared with the prior art, the semitrailer air suspension provided by the invention has the following beneficial effects:
(1) according to the semitrailer air suspension provided by the invention, the bottom end of the guide rod is rotatably connected with the axle, when the guide rod moves to drive the axle to move up and down, when the guide rod moves in the fixed sleeve, the guide rod moves to slide in the scraping ring at the lowest end, the section of the scraping ring is triangular, and when the guide rod moves upwards, the inner side wall of the scraping ring scrapes off dust on the side wall of the guide rod.
(2) According to the semitrailer air suspension provided by the invention, the scraping rings are in a hollow circular truncated cone shape, dust scraped from the guide rod moves downwards from the inside of the scraping rings, the surface of the guide rod with the dust scraped is coated with lubricating oil by the lubricating mechanism, the guide rod continues to move upwards, the other scraping ring scrapes off redundant lubricating oil on the side wall of the guide rod, the side wall of the guide rod is prevented from being coated with excessive lubricating oil, namely the friction force of the movement of the guide rod is reduced, and a large amount of lubricating oil is prevented from entering the inside of the shell.
Drawings
Fig. 1 is a schematic structural view of a semitrailer air suspension provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the trash removal mechanism shown in FIG. 1;
FIG. 3 is an enlarged view of the structure at A shown in FIG. 2;
FIG. 4 is a cross-sectional view of the trash removal mechanism shown in FIG. 1;
fig. 5 is a schematic view of the internal structure of the lubrication mechanism shown in fig. 2.
Reference numbers in the figures: 1. guide rod, 2, edulcoration mechanism, 21, scraping ring, 22, fixed block, 23, fixed cover, 3, rubber buffer, 4, shell, 5, gasbag, 6, lubricating mechanism, 61, solid fixed ring, 62, connecting rod, 63, rubber ring, 64, through-hole.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, 2, 3, 4 and 5, a semitrailer air suspension comprises a housing 4, an air bag 5, a guide rod 1, an impurity removing mechanism 2 and a lubricating mechanism 6, wherein the air bag 5 is fixed at the top end of the housing 4; the guide rod 1 is connected with the shell 4 and the inner part of the air bag 5 in a sliding way; the impurity removing mechanism 2 is fixed at the bottom end of the shell 4, the impurity removing mechanism 2 comprises a scraping ring 21, a fixed block 22 and a fixed sleeve 23, the fixed sleeve 23 is installed at the bottom end of the shell 4, the hemispherical fixed blocks 22 are symmetrically installed on the inner side wall of the fixed sleeve 23, and the top end of the fixed block 22 is fixedly connected with the scraping ring 21 and is in sliding connection with the inner side wall of the guide rod 1; the lubricating mechanism 6 is installed inside the fixed sleeve 23, and the inside of the fixed sleeve 23 is slidably connected with the guide rod 1.
Specifically, lubricating mechanism 6 is including solid fixed ring 61, connecting rod 62, rubber ring 63 and through-hole 64, the lateral wall slope installation of fixed block 22 connecting rod 62, connecting rod 62 fixed connection gu fixed ring 61, gu fixed ring 61's internally mounted rubber ring 63, the bottom of rubber ring 63 is equipped with through-hole 64, just the inside of rubber ring 63 with the lateral wall sliding connection of through-hole 64 guide rod 1 when guide rod 1 is in during the inside motion of fixed cover 23, connecting rod 62 with gu fixed ring 61 is fixed rubber ring 63 makes rubber ring 63 hug closely guide rod 1's lateral wall when guide rod 1 moves, lubricating oil follows through-hole 64's inside flows out, makes lubricating oil evenly scribble guide rod 1's lateral wall reduces the frictional force of guide rod 1 lateral wall motion.
Specifically, the rubber buffer 3 is installed to the lateral wall of fixed cover 23, just rubber buffer 3 intercommunication the inside of rubber ring 63 for the convenience runs through using the syringe rubber buffer 3 makes lubricating oil run through rubber buffer 3 gets into the inside of rubber ring 63.
Specifically, the section of the fixing ring 61 is semicircular, and the diameter of the fixing ring 61 is smaller than that of the scraper ring 21, so that dust falling from the scraper ring 21 can directly slide downwards, and a large amount of dust can be prevented from falling on the surface of the fixing ring 61.
Specifically, the section of the scraping ring 21 is triangular, and the scraping ring 21 is of a hollow truncated cone structure, so that the scraping ring 21 can scrape off dust on the side wall of the guide rod 1 conveniently, and the dust can fall off from the temporal part of the scraping ring 21 conveniently.
Specifically, the fixing ring 61 is located between the two scraping rings 21, so that the scraping rings 21 scrape off the redundant lubricating oil on the side wall of the guide rod 1, and the bottom surface of the inner part of the rubber ring 63 is inclined, so that the lubricating oil flows out of the inner part of the rubber ring 63 conveniently.
The working principle of the air suspension of the semitrailer provided by the invention is as follows: the shell 4 is fixed on a semi-trailer, and then the bottom end of the guide rod 1 is rotatably connected with an axle on the semi-trailer. When a vehicle is unloaded, the guide rod 1 moves upwards, the guide rod 1 drives the vehicle axle to lift upwards, the guide rod 1 moves in the scraping ring 21 at the bottom end of the fixed sleeve 23 to slide, the section of the scraping ring 21 is triangular, when the guide rod 21 moves upwards, dust on the side wall of the guide rod 21 is scraped by the inner side wall of the scraping ring 21, the scraping ring 21 is in a hollow circular truncated cone shape, dust scraped from the guide rod 21 moves downwards from the inside of the scraping ring 21, the guide rod 21 with the dust scraped enters the inside of the rubber ring 63, the connecting rod 62 and the fixed ring 61 fix the rubber ring 63, so that the rubber ring 63 is tightly attached to the side wall of the guide rod 1, when the guide rod 1 moves, lubricating oil flows out from the inside of the through hole 64, and is uniformly coated on the side wall of the guide rod 1, the friction force of the side wall movement of the guide rod 1 is reduced. The guide rod 2 continues to move upwards, the scraping rings 21 at the top end of the fixed sleeve 23 scrape the redundant lubricating oil on the side wall of the guide rod 1, so that the excessive lubricating oil is prevented from being coated on the side wall of the guide rod 1, namely, the friction force of the movement of the guide rod 1 is reduced, and a large amount of lubricating oil is prevented from entering the inside of the shell 4, when the guide rod 1 moves downwards, the lubricating oil and dust on the guide rod 1 are wiped by the two scraping rings 21, the hanging rings 21 are in a truncated cone shape, the dust rolls downwards on the side wall of the hanging rings 21, the diameter of the fixed ring 61 is smaller than that of the scraping rings 21, when the dust falling from the scraping rings 21 directly slides downwards, a large amount of dust is prevented from falling onto the surface of the fixed ring 61, the lubricating oil is wiped off, the guide rod 1 coated with a large amount of lubricating oil is prevented from being exposed in the air, and the dust is, thereby preventing dust from accumulating at the connection of the guide bar 1 and the airbag 4.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A semitrailer air suspension is characterized by comprising a shell (4), an air bag (5), a guide rod (1), an impurity removing mechanism (2) and a lubricating mechanism (6), wherein the air bag (5) is fixed at the top end of the shell (4); the guide rod (1) is connected with the shell (4) and the inner part of the air bag (5) in a sliding way; the impurity removing mechanism (2) is fixed at the bottom end of the shell (4), the impurity removing mechanism (2) comprises a scraping ring (21), a fixed block (22) and a fixed sleeve (23), the fixed sleeve (23) is installed at the bottom end of the shell (4), the hemispherical fixed block (22) is symmetrically installed on the inner side wall of the fixed sleeve (23), and the top end of the fixed block (22) is fixedly connected with the scraping ring (21) and is in sliding connection with the inner side wall of the guide rod (1); the lubricating mechanism (6) is arranged inside the fixed sleeve (23), and the inside of the fixed sleeve (23) is connected with the guide rod (1) in a sliding mode.
2. A semitrailer air suspension according to claim 1, characterised in that the lubrication mechanism (6) comprises a fixed ring (61), a connecting rod (62), a rubber ring (63) and a through hole (64), the connecting rod (62) is mounted obliquely to the side wall of the fixed block (22), the connecting rod (62) is fixedly connected to the fixed ring (61), the rubber ring (63) is mounted inside the fixed ring (61), the through hole (64) is provided at the bottom end of the rubber ring (63), and the inside of the rubber ring (63) and the side wall of the through hole (64) are slidably connected to the guide rod (1).
3. Semi-trailer air suspension according to claim 1, characterised in that the side walls of the fixing sleeve (23) are fitted with rubber plugs (3) and that the rubber plugs (3) communicate with the inside of the rubber ring (63).
4. Semitrailer air suspension according to claim 1, characterized in that the securing ring (61) is semicircular in cross-section, and the securing ring (61) has a smaller diameter than the scraper ring (21).
5. Semitrailer air suspension according to claim 1, characterised in that the cross-section of the scraper ring (21) is triangular and the scraper ring (21) is of hollow-cone-shaped construction.
6. Semitrailer air suspension according to claim 1, characterised in that the securing ring (61) is located between the two scraper rings (21), and the rubber ring (63) is arranged with its inner bottom surface inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668958.3A CN111823801A (en) | 2020-07-13 | 2020-07-13 | Semitrailer air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668958.3A CN111823801A (en) | 2020-07-13 | 2020-07-13 | Semitrailer air suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111823801A true CN111823801A (en) | 2020-10-27 |
Family
ID=72901389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010668958.3A Pending CN111823801A (en) | 2020-07-13 | 2020-07-13 | Semitrailer air suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111823801A (en) |
Citations (22)
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|---|---|---|---|---|
| US3033553A (en) * | 1958-11-08 | 1962-05-08 | Allinquant Fernand Stanislas | Oleo-pneumatic suspension system for motor vehicles |
| EP0738839A1 (en) * | 1995-04-19 | 1996-10-23 | Toyota Jidosha Kabushiki Kaisha | Air suspension device of input force separation type of vehicle, having air chamber combined below shock absorber |
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| CN201415599Y (en) * | 2009-04-14 | 2010-03-03 | 江苏大学 | Combined mechanism consisting of air spring and guide rod |
| US20100259025A1 (en) * | 2007-10-26 | 2010-10-14 | Multimatic Inc. | In-wheel suspension system with remote spring and damper means |
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| CN111823803A (en) * | 2020-07-13 | 2020-10-27 | 黄连好 | Shock attenuation axle assembly |
-
2020
- 2020-07-13 CN CN202010668958.3A patent/CN111823801A/en active Pending
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| CN201391733Y (en) * | 2009-04-20 | 2010-01-27 | 郑州长通机电设备有限公司 | Grease oil scraping device in oil tank |
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