CN113733833A - Balance shaft support and balance suspension device - Google Patents
Balance shaft support and balance suspension device Download PDFInfo
- Publication number
- CN113733833A CN113733833A CN202110979772.4A CN202110979772A CN113733833A CN 113733833 A CN113733833 A CN 113733833A CN 202110979772 A CN202110979772 A CN 202110979772A CN 113733833 A CN113733833 A CN 113733833A
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- China
- Prior art keywords
- balance shaft
- mounting position
- guide arm
- bearing hub
- balance
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- 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
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- 239000000725 suspension Substances 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 22
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
Abstract
The invention discloses a balance shaft support and a balance suspension device, wherein the balance suspension device comprises vehicle frames which are arranged at intervals in a mirror symmetry manner, each vehicle frame is fixedly provided with a balance shaft support, and the vehicle frames are fixed with vehicle frame mounting positions on the balance shaft supports; the balance shaft support comprises a body, a frame mounting position is arranged at the upper part of the body, a through bearing hub mounting position in a hole-shaped structure is arranged in the middle of the body along the vertical direction, a guide arm mounting position and a thrust rod mounting position are further arranged on the body, and the guide arm mounting position and the thrust rod mounting position are respectively arranged at the left side and the right side of the lower part of the body; the scheme provides a balance shaft bracket for a suspension, the upper half structure of the original balance shaft bracket is reserved, and only the part below a balance shaft hole is improved; the traditional stress mode is changed, and great promotion effects are achieved on improving the comfort performance of the empty vehicle and improving the adhesion of the tire.
Description
Technical Field
The invention relates to the technical field of balance suspensions, in particular to a balance shaft support and a balance suspension device provided with the same.
Background
At present, the rear axle of the existing 6X4 heavy-duty truck mostly adopts a plate spring balance suspension (the concrete structure is shown in fig. 1), the middle axle and the rear axle are respectively arranged at two ends of a plate spring, the middle part of the axle is connected with a frame through an upper thrust rod, the lower end of the axle is connected with a balance shaft bracket through a lower thrust rod, the middle part of the plate spring is hinged with the balance shaft bracket through a bearing hub, thus, one axle is lifted up to enable the other axle to descend, and the vertical loads on the middle axle and the rear axle are equal under any condition because the two ends of the plate spring are equal in length.
Compared with other suspension forms, the plate spring balance suspension can effectively avoid the overload phenomenon of a single axle during the running of the vehicle, has strong bearing capacity and is suitable for complex road conditions. But the plate spring balance suspension also has obvious defects, because the rigidity of the plate spring is high, the riding comfort is poor when the plate spring is unloaded, and because the loads acting on a middle axle and a rear axle are small, the adhesion of tires is poor, the driving force is easy to be insufficient, and the wheels are easy to slip and wear; because the axle load of the middle axle and the rear axle is transmitted to the balance axle bracket through the plate spring, the stress condition is complex, the part below the balance axle hole of the bracket is only connected with the lower thrust rod at present, only bears the longitudinal force and does not bear the vertical load, and the structure and the strength design of the bracket are not high relatively.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a novel balance shaft bracket structure, which overcomes the defects of the traditional bracket, improves the comfort performance of a vehicle in no-load and improves the adhesiveness of a tire.
The specific scheme provided by the invention is as follows:
the balance shaft support comprises a body, wherein a frame mounting position is arranged on the upper portion of the body, a through bearing hub mounting position which is of a hole-shaped structure is arranged in the middle of the body in the vertical direction, a guide arm mounting position and a thrust rod mounting position are further arranged on the body, and the guide arm mounting position and the thrust rod mounting position are respectively arranged on the left side and the right side of the lower portion of the body.
Furthermore, the guide arm mounting position protrudes outwards relative to the body, a clearance groove for mounting the guide arm is formed in the guide arm mounting position, and hinged arms are arranged on two sides of the clearance groove; one end of the guide arm can be arranged in the clearance groove and is hinged with the hinged arm.
Further, the frame mounting position is an end face which is arranged on the upper portion of the body and provided with a bolt hole, and the shape of the upper portion of the body is gradually reduced towards the lower portion, so that the plane area of the frame mounting position on the upper portion of the body is the largest.
Furthermore, a rib separating plate and a thrust boss are arranged between the bearing hub mounting position and the thrust rod mounting position, and the rib separating plate and the thrust boss are both fixed on the guide arm mounting position.
Furthermore, the edge of the bearing hub mounting position is provided with an annular blocking edge, and the blocking edge and the bearing hub mounting position form a concave platform structure together.
Furthermore, the balance shaft support is manufactured in a casting mode and then is processed into an integrated structure.
The beneficial effect that adopts this technical scheme to reach does:
the scheme provides a balance shaft bracket for a suspension, which keeps the upper half structure of the original balance shaft bracket, and only improves the structure of the part below the balance shaft hole, namely the left lower end part of the balance shaft bracket is mainly used for installing a guide arm of an air suspension, namely the front end of the guide arm of the air suspension is hinged with the balance shaft bracket, the middle of the balance shaft bracket is hinged with the lower end of an axle, and the rear end of the guide arm is used for installing an air bag; the lower right part of the balance shaft bracket is used for installing a lower thrust rod, and the structural form of the lower thrust rod is changed compared with that of the thrust rod used by the original plate spring balance suspension; the lower end of a balance shaft bracket of the original plate spring balance suspension is provided with two thrust rods, namely, the left and the right thrust rods respectively and only bear longitudinal force, one end of the balance shaft bracket of the invention is provided with an air suspension guide arm, and the other end of the balance shaft bracket is provided with the thrust rods, so that when a vehicle is in no-load, an axle provided with the air suspension guide arm plays a role of a bearing bridge, and the other axle does not bear or is lifted to be separated from the ground. When the vehicle is fully loaded, the air suspension guide arm does not work, the system recovers to the original plate spring balanced suspension, and the air suspension guide arm plays the role of the original thrust rod piece; through the design to above structure, changed traditional atress mode, had greatly promoted the effect to promoting no-load vehicle comfort performance, improving tire adhesion.
Based on this, this scheme still provides a balanced suspension device, including the frame that mirror symmetry interval set up, all fixedly mounting the balanced bracing strut as above on every frame, the frame is fixed with the frame installation position on the balanced bracing strut.
Further, the balanced suspension device also comprises a balanced shaft, a bearing hub, a thrust rod and a guide arm, wherein the thrust rod is hinged with the thrust rod mounting position, and the guide arm is hinged with the guide arm mounting position; the bearing hub is fixed with the mounting position of the bearing hub mounting position; the balance shaft and the bearing hub are mutually matched so that the two balance shaft brackets are connected.
Drawings
Fig. 1 is a plan view of a conventional leaf spring balanced suspension.
Fig. 2 is a perspective view of the balance shaft support in the present embodiment.
Fig. 3 is a perspective view of the balance shaft support in the present embodiment from another perspective.
Fig. 4 is a plan view of the balanced suspension device according to this embodiment.
Fig. 5 is a perspective view of the balanced suspension device.
Fig. 6 is a cut-away view of the counterbalancing suspension apparatus, showing the mounting position of the counterbalancing shaft brackets in the counterbalancing suspension apparatus.
Wherein: 10 body, 11 frame installation positions, 12 bearing hub installation positions, 13 guide arm installation positions, 14 thrust rod installation positions, 15 rib partition plates, 16 thrust bosses, 121 blocking edges, 131 clearance grooves, 132 articulated arms, 101 first longitudinal beams, 102 second longitudinal beams, 103 bearing hubs, 104 guide arms and 105 thrust rods.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The embodiment provides a balance shaft support, which is designed by adopting the structure of the balance shaft support to change the traditional connection mode, thereby achieving the purposes of changing the stress effect and improving the comfort of a vehicle.
Specifically, referring to fig. 2 to 6, there is provided a balance shaft bracket including a body 10, wherein the body 10 is manufactured by casting and then manufactured into a one-piece structure.
The upper portion of body 10 is provided with frame installation position 11, and frame installation position 11 here mainly is used for making things convenient for the fixed mounting of frame, and in balanced suspension device, the structure of frame has included crossbeam frame and longeron frame, and in this scheme, the crossbeam frame is fixed on frame installation position 11 simultaneously after being in the same place with longeron frame is fixed to form the stable support to whole frame.
In the scheme, in order to form effective support and ensure the stability of the whole balanced suspension device in consideration of the complexity of stress at the position, the design and installation surface of the frame installation position 11 is larger, and the larger design and installation surface specifically means that the appearance of the frame installation position 11 is integrally larger than the appearance of the lower part of the body 10; that is, the frame mounting position 11 is an end surface provided with a bolt hole and disposed at the upper portion of the body 10, and the upper portion of the body 10 is gradually reduced in shape toward the lower portion, so that the planar area of the frame mounting position 11 at the upper portion of the body 10 is maximized.
The design of the large frame installation position 11, especially the installation and fixation with the frame (a cross beam frame and a longitudinal beam frame) are completed through the frame installation position 11, and the stability of the whole balance suspension device is greatly promoted.
Optionally, the middle part of the frame mounting position 11 is arranged in a hollow manner, so that the weight of the whole balance shaft bracket is reduced, and the load of the balance suspension device can be effectively reduced.
A through hole-shaped bearing hub mounting position 12 is arranged in the middle of the body 10 along the vertical direction, and the bearing hub mounting position 12 is used for mounting and fixing the bearing hub 103; here, the bearing hub 103 is fixed to the bearing hub mounting position 12, and the balance shaft (not shown) can be fixed, so that the two balance shaft brackets are fixedly connected to each other.
It can be understood that, in the composition structure of the balanced suspension device, the longitudinal beam frames arranged at intervals in mirror symmetry are included, for the convenience of understanding, the longitudinal beam frames are defined as a first longitudinal beam 101 arranged on one side and a second longitudinal beam 102 arranged on the other side, the lower end surfaces of two brackets (the first longitudinal beam 101 and the second longitudinal beam 102) are respectively fixedly connected with a balance shaft bracket to form effective support, the two balance shaft brackets are mutually connected through a balance shaft, and bearing hubs 103 are respectively fixed at two ends of the balance shaft to ensure the stability of the installation of the balance shaft; in order to ensure the stability of the fixing of the bearing hub 103, the bearing hub 103 needs to be fixed to the bearing hub mounting position 12, and the leaf spring needs to be fixed to the upper end of the bearing hub 103.
Optionally, an annular retaining edge 121 is disposed at an edge of the bearing hub installation site 12, the retaining edge 121 and the bearing hub installation site 12 together form a concave structure, and when the bearing hub 103 is fixed on the bearing hub installation site 12, the retaining edge 121 can form effective limiting.
In this embodiment, the body 10 is further provided with a guide arm mounting position 13 and a thrust rod mounting position 14, wherein the guide arm mounting position 13 and the thrust rod mounting position 14 are respectively arranged on the left side and the right side of the lower portion of the body 10; the guide arm mounting position 13 is used for realizing the mounting and fixing of the guide arm 104, and the thrust rod mounting position 14 is used for realizing the mounting and fixing of the thrust rod 105; specifically, the thrust rod 105 is hinged to the thrust rod mounting position 14, and the guide arm 104 is hinged to the guide arm mounting position 13.
The lower part of the body 10 is respectively provided with a guide arm installation position 13 and a thrust rod installation position 14 so as to realize the installation and fixation of the guide arm 104 and the thrust rod 105, and compared with the mode that two thrust rods are installed at the lower end of a balance shaft bracket of an original plate spring balance suspension, namely, one thrust rod is installed at the left and the right, and only longitudinal force is borne, the scheme can play the role of a novel balance suspension.
The scheme utilizes the provided balance shaft support, particularly designs the lower part structure of the balance shaft support, and changes the traditional balance shaft support structure; namely, the lower left end part is mainly used as a guide arm 104, namely, the front end of the guide arm 104 of the air suspension is hinged with the balance shaft bracket, the middle of the guide arm 104 is hinged with the lower end of the axle, and the rear end of the guide arm 104 is used for installing an air bag; the lower right part of the balance shaft support is provided with a lower thrust rod 105; the lower end of a balance shaft bracket of an original plate spring balance suspension is provided with two thrust rods, namely, the left end and the right end of the balance shaft bracket are respectively provided with a thrust rod only bearing longitudinal force, one end of the balance shaft bracket is provided with an air suspension guide arm 104, and the other end of the balance shaft bracket is provided with a thrust rod 105, so that when a vehicle is in no-load, an axle provided with the air suspension guide arm plays a role of a bearing bridge, the other axle does not bear or is lifted to be separated from the ground, and as the hinge point of the balance shaft bracket and the guide arm bears the longitudinal force and the transverse force and also bears partial vertical load, the stress condition is complex, and the original structure needs to be strengthened and designed. When the vehicle is fully loaded, the air suspension guide arm 104 does not work, the system recovers to the original plate spring balanced suspension, and the air suspension guide arm plays the role of the original thrust rod piece; through the design to above structure, changed traditional atress mode, had greatly promoted the effect to promoting no-load vehicle comfort performance, improving tire adhesion.
In the scheme, a guide arm mounting position 13 is provided and protrudes outwards relative to the body 10, a clearance groove 131 for mounting the guide arm 104 is formed in the guide arm mounting position 13, and hinge arms 132 are arranged on two sides of the clearance groove 131; one end of the guide arm 104 may be disposed in the clearance groove 131 and hingedly connected to the hinge arm 132.
Optionally, a rib separating plate 15 and a thrust boss 16 are arranged between the bearing hub mounting position 12 and the thrust rod mounting position 14, and the rib separating plate 15 and the thrust boss 16 are both fixed on the guide arm mounting position 13.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The balance shaft support comprises a body (10), wherein a frame mounting position (11) is arranged at the upper part of the body (10), and a through bearing hub mounting position (12) with a hole-shaped structure is arranged in the middle of the body (10) along the vertical direction, and is characterized in that a guide arm mounting position (13) and a thrust rod mounting position (14) are further arranged on the body (10), and the guide arm mounting position (13) and the thrust rod mounting position (14) are respectively arranged at the left side and the right side of the lower part of the body (10).
2. A balance shaft support according to claim 1, wherein said guide arm mounting location (13) protrudes outwardly with respect to said body (10), said guide arm mounting location (13) having a guide arm-mounting clearance slot (131) therein, said clearance slot (131) having hinge arms (132) on both sides thereof; one end of the guide arm can be arranged in the clearance groove (131) and is hinged with the hinge arm (132).
3. A balance shaft support according to claim 1 wherein said frame mounting location (11) is an end surface with bolt holes provided at an upper portion of said body (10), said upper portion of said body (10) having a shape gradually decreasing toward a lower portion such that a planar area of said frame mounting location (11) at the upper portion of said body (10) is maximized.
4. A balance shaft bracket according to claim 1, wherein a rib separating plate (15) and a thrust boss (16) are arranged between the bearing hub mounting position (12) and the thrust rod mounting position (14), and both the rib separating plate (15) and the thrust boss (16) are fixed on the guide arm mounting position (13).
5. A balance shaft support according to claim 1, wherein the edge of the bearing hub mounting location (12) is provided with an annular stop edge (121) which together with the bearing hub mounting location (12) forms a recessed platform structure.
6. The balance shaft bracket of claim 1 wherein said balance shaft bracket is cast and then machined as a one-piece construction.
7. A balanced suspension arrangement comprising mirror-symmetrical spaced-apart vehicle frames, wherein each frame is fixedly mounted with a balance shaft support according to any of claims 1-6, said frame being fixed to a frame mounting location (11) on said balance shaft support.
8. A balanced suspension arrangement according to claim 7, characterized in that the balanced suspension arrangement further comprises a balance shaft, a bearing hub, a thrust rod and a pilot arm, the thrust rod being hingedly connected to the thrust rod mounting location (14), the pilot arm being hingedly connected to the pilot arm mounting location (13); the bearing hub is fixed with a mounting position of the bearing hub mounting position (12); the balance shaft and the bearing hub are mutually matched so that the two balance shaft brackets are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979772.4A CN113733833A (en) | 2021-08-24 | 2021-08-24 | Balance shaft support and balance suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979772.4A CN113733833A (en) | 2021-08-24 | 2021-08-24 | Balance shaft support and balance suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113733833A true CN113733833A (en) | 2021-12-03 |
Family
ID=78732689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110979772.4A Pending CN113733833A (en) | 2021-08-24 | 2021-08-24 | Balance shaft support and balance suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113733833A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136521A (en) * | 1995-09-14 | 1997-05-27 | Hitachi Metals Ltd | Tandem axle vehicle suspension device |
| JP2000118222A (en) * | 1998-10-12 | 2000-04-25 | Hino Motors Ltd | Air suspension device |
| CN102950984A (en) * | 2012-11-06 | 2013-03-06 | 东风汽车有限公司 | Intelligent balance suspension system |
| US20140091611A1 (en) * | 2011-05-17 | 2014-04-03 | Air Tip Pyt Ltd | Haul bodies and related apparatus |
| CN103921642A (en) * | 2014-04-02 | 2014-07-16 | 山东美晨科技股份有限公司 | Novel equalizing-beam air suspension system |
| CN205736753U (en) * | 2016-06-06 | 2016-11-30 | 东风柳州汽车有限公司 | Balanced suspension for heavy-duty vehicle support |
| CN107415626A (en) * | 2017-03-31 | 2017-12-01 | 十堰精密新动力科技有限公司 | Balance shaft and support integrated automobile balance suspension |
| CN208855342U (en) * | 2018-09-18 | 2019-05-14 | 十堰方圆大地桥业制造有限公司 | A kind of split type draft hitch of heavy duty lightweight |
| CN111516445A (en) * | 2020-04-21 | 2020-08-11 | 三一重型装备有限公司 | Rear suspension system and dump truck |
-
2021
- 2021-08-24 CN CN202110979772.4A patent/CN113733833A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136521A (en) * | 1995-09-14 | 1997-05-27 | Hitachi Metals Ltd | Tandem axle vehicle suspension device |
| JP2000118222A (en) * | 1998-10-12 | 2000-04-25 | Hino Motors Ltd | Air suspension device |
| US20140091611A1 (en) * | 2011-05-17 | 2014-04-03 | Air Tip Pyt Ltd | Haul bodies and related apparatus |
| CN102950984A (en) * | 2012-11-06 | 2013-03-06 | 东风汽车有限公司 | Intelligent balance suspension system |
| CN103921642A (en) * | 2014-04-02 | 2014-07-16 | 山东美晨科技股份有限公司 | Novel equalizing-beam air suspension system |
| CN205736753U (en) * | 2016-06-06 | 2016-11-30 | 东风柳州汽车有限公司 | Balanced suspension for heavy-duty vehicle support |
| CN107415626A (en) * | 2017-03-31 | 2017-12-01 | 十堰精密新动力科技有限公司 | Balance shaft and support integrated automobile balance suspension |
| CN208855342U (en) * | 2018-09-18 | 2019-05-14 | 十堰方圆大地桥业制造有限公司 | A kind of split type draft hitch of heavy duty lightweight |
| CN111516445A (en) * | 2020-04-21 | 2020-08-11 | 三一重型装备有限公司 | Rear suspension system and dump truck |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |