Anti-rollover new energy heavy truck chassis balance bar structure

By designing an anti-rollover new energy heavy truck chassis balance bar structure, and utilizing a combination of hydraulically controlled limiting components and spiral rollers, the problem of the balance bar affecting the suspension's buffer energy release under unilateral obstacles was solved, achieving good shock absorption and rapid recovery of the vehicle under obstacles.

CN120588709BActive Publication Date: 2025-12-05SUZHOU WEITONG HEAVY TRUCK AUTO PARTS CO LTD
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Patent Information

Application Number
CN202511031431.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2025-04-01
Filing Date
2025-07-25
Publication Date
2025-12-05
Estimated Expiration
2045-07-25

AI Technical Summary

Technical Problem

Existing automotive chassis stabilizer bars can affect the energy release effect of independent suspension during vehicle operation, especially when encountering single-sided obstacles, leading to a decrease in vehicle shock absorption performance.

Method used

The anti-rollover type new energy heavy truck chassis balance bar structure is composed of a middle bar and side bars. Through components such as connectors, spiral rollers and hydraulic rollers, the middle bar and side bars are rigidly or movably connected. The rotation of the hydraulically controlled limiter is used to ensure that the buffering and energy release effect of the suspension structure is not affected when there is a single obstacle, and to assist in the reset when necessary.

Benefits of technology

When a vehicle encounters a single-sided obstacle, the stabilizer bar prevents deformation of the suspension structure on the other side, maintains a good buffering and energy release effect, and quickly resets after the obstacle is removed, thereby improving the vehicle's shock absorption performance and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of automobile equalizer, disclose a kind of anti-roll new energy heavy truck chassis equalizer structure, including by middle pole and side pole complete equalizer component, wherein the end of middle pole and side pole is provided with connector between;It further includes: first spiral roller and second spiral roller, respectively be connected in the end of the side pole and middle pole inside connector, wherein the connecting end of second spiral roller and middle pole is rotatably provided with hydraulic runner, hydraulic runner middle telescopic movable mounting limiting piece, limiting piece is rotatable by hydraulic pressure second spiral roller, while the position of connector outside corresponding hydraulic runner and limiting piece is provided with first liquid inlet and second liquid inlet.When the vehicle encounters unilateral obstacle in normal driving, equalizer is disconnected, and the effect of independent suspension buffer release energy is not affected, and in the butt joint state of equalizer, it has good stability, further improves the effect of buffer release energy and reset in vehicle driving.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile balance bar, in particular to a new energy heavy truck chassis balance bar structure capable of preventing side tilting. BACKGROUND

[0002] The automobile chassis balance bar is installed below the automobile chassis and is used between the independent suspension structures of the left and right tires of the automobile, and functions to connect the left and right tires of the automobile, prevent the automobile from tilting during driving, such as turning and moving, due to the difference in force between the left and right tires, and cause the automobile to tilt and fall, and the use of the balance bar can pull back the independent suspension assembly and the tire when the tires on both sides of the automobile tilt due to force, thereby maintaining the balance of the automobile.

[0003] The existing balance bar is generally provided in an integrated structure and is matched with a connecting rod assembly, and the special-shaped balance bar and the connecting rod assembly are matched with each other, and the connecting rod is connected to the special-shaped balance bar and the independent suspension mechanism at both ends, thereby achieving the effect of connection and positioning, but in actual use, the integrated connection of the balance bar also has some defects caused by the balance problem, such as when the vehicle is driving in a straight line and encounters a single-sided obstacle such as a single-sided bridge, the tire on the single side and the independent suspension mechanism are displaced and deformed due to force, and due to the stable connection of the balance bar, the balance bar will pull the independent suspension mechanism on the other side to deform, which hinders the buffering and energy releasing effect of the independent suspension mechanism on the side, and adversely affects the single-sided buffering and damping function of the tire, thereby reducing the overall damping performance of the vehicle under special conditions during driving.

[0004] In view of the above problems, it is necessary to make innovative design on the basis of the original automobile chassis balance bar structure. SUMMARY

[0005] The present application aims to provide a new energy heavy truck chassis balance bar structure capable of preventing side tilting, so as to solve the problem that the existing automobile chassis balance bar structure has the effect of preventing side tilting, but also affects the buffering and energy releasing damping effect during normal driving of the vehicle, and adversely affects the overall damping performance of the vehicle.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a new energy heavy truck chassis balance bar structure capable of preventing side tilting, comprising a complete balance bar component composed of a middle rod and a side rod, wherein a connector is arranged between the end portions of the middle rod and the side rod;

[0007] Further comprising: a first spiral roller and a second spiral roller, respectively connected to the end of the side rod and the middle rod inside the connector, wherein the second spiral roller is rotatably provided with a hydraulic runner at the connecting end of the middle rod, a limiting piece is telescopically installed in the middle of the hydraulic runner, the limiting piece limits the rotation of the second spiral roller through the hydraulic pressure, and the first liquid inlet and the second liquid inlet are provided at the positions corresponding to the hydraulic runner and the limiting piece outside the connector.

[0008] Preferably, the locator is rotatably connected with the side rod in a sleeved manner, the locator is provided with a rubber sleeve at the connection between the middle rod and the side rod, and the upper end of the locator is fixed to the automobile chassis.

[0009] Preferably, the transverse central axes of the side rod and the middle rod are arranged in parallel, the side rod is in the shape of "L", and the end of the side rod away from the middle rod is hingedly connected with a connecting rod.

[0010] Preferably, the side rod is rotatably installed with the connector, the middle rod is fixedly arranged with the connector, the second spiral roller is rotatably connected with the middle rod, and the first spiral roller and the second spiral roller are rotatably arranged.

[0011] Preferably, the edges of the hydraulic runner and the limiting piece are both arranged in an annular shape, and the annular outer wall is slidingly connected with the inner wall of the connector in a sealing manner through a sealing structure.

[0012] Meanwhile, the outer wall of the connector below the hydraulic runner is further connected with a liquid outlet in a penetrating manner, and the middle chamber where the hydraulic runner is located is correspondingly arranged with the liquid outlet and the first liquid inlet.

[0013] Preferably, the first spiral roller and the second spiral roller are rotatably connected with the connector, and the first spiral roller and the second spiral roller are sleeved with gears that are rotatably arranged between the one ends of the central axes inside the connector, and the first spiral roller is fixed with the side rod.

[0014] Preferably, the limiting piece and the hydraulic runner form a coaxial penetrating axial relative telescopic structure, the outer wall of the penetrating part of the limiting piece and the hydraulic runner is arranged in a prismatic shape, and the limiting piece is positioned in the recess groove in the inner wall of the end of the middle rod.

[0015] Preferably, the penetrating telescopic part of the limiting piece and the hydraulic runner is further provided with an elastic piece, the elastic piece is used to control the reset of the limiting piece, and the sealing cavity of the penetrating part of the limiting piece and the hydraulic runner is correspondingly arranged with the second liquid inlet.

[0016] Preferably, the middle outer wall of the middle rod is fixed with a communication valve through the locator, and the communication valve is arranged to be in liquid communication with the first liquid inlet and the second liquid inlet.

[0017] Compared with the prior art, the anti-rollover new energy heavy truck chassis balance bar structure has the advantages that when the vehicle normally runs and encounters unilateral obstacles, the balance bar is disconnected, which does not affect the energy release effect of the independent suspension, and has good stability in the balance bar docking state, further improving the energy release and reset effect of the vehicle during running, and the specific contents are as follows.

[0018] Through the first spiral roller and the second spiral roller, the preliminary connection between the intermediate rod and the side rod is realized, and the rigid connection state of the second spiral roller and the intermediate rod is maintained by hydraulic action. Through the mutual limiting of the first spiral roller and the second spiral roller, the intermediate rod, the side rod and the connector are integrally arranged, which has good rigidity and strength, and achieves the anti-rollover effect of the balance bar on the vehicle during use. Further, after the hydraulic pressure is removed from the limiting piece, the limiting piece is no longer engaged with the intermediate rod, and at this time the second spiral roller is released from the limiting state and can rotate freely under external force, thereby further releasing the limiting of the first spiral roller, so that the side rod can rotate and release force when the independent suspension structure deforms and releases energy under the unilateral obstacle of vehicle running, and the independent suspension release effect will not be affected by the traction of the rigid balance bar. Further, the hydraulic rotating wheel is installed on the second spiral roller, and when the second spiral roller is released from the limiting state and can rotate, the hydraulic rotating wheel can be used to drive the second spiral roller to rotate in the opposite direction by hydraulic action, and under the action of the second spiral roller and the gear structure thereon, the side rod can ensure the independent suspension structure deformation and energy release effect under the rotation and release of force, and assist the independent suspension structure to reset, thereby improving the cushioning effect of the vehicle under continuous obstacles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structure schematic diagram of the present application;

[0020] Figure 2 It is a front view structure schematic diagram of the present application;

[0021] Figure 3 It is a schematic diagram of the external structure of the intermediate rod and the side rod in the present application;

[0022] Figure 4 It is a schematic diagram of the internal structure of the intermediate rod and the side rod in the present application;

[0023] Figure 5 It is a schematic diagram of the internal structure of the connector in the present application;

[0024] Figure 6 It is a schematic diagram of the distribution structure of the first spiral roller and the second spiral roller in the present application;

[0025] Figure 7 It is a schematic diagram of the front structure of the hydraulic rotating wheel and the limiting piece in the present application;

[0026] Figure 8 Figure is a schematic view of the side structure of the hydraulic rotating wheel and the limiting member of the present application;

[0027] Figure 9 Figure is a schematic view of the connecting structure of the hydraulic rotating wheel and the limiting member of the present application;

[0028] Figure 10 Figure is a schematic view of the internal section structure of the hydraulic rotating wheel of the present application.

[0029] In the figure: 1, middle rod; 2, side rod; 3, positioner; 4, connector; 5, first spiral roller; 6, second spiral roller; 7, hydraulic rotating wheel; 8, limiting member; 9, first liquid inlet; 10, second liquid inlet; 11, liquid outlet; 12, communication valve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment one: please refer to Figures 1-9 The present application provides a technical solution: a balance lever structure of a new energy heavy truck chassis against side tilting, comprising a complete balance lever component composed of a middle rod 1 and a side rod 2, wherein a connector 4 is arranged between the end portions of the middle rod 1 and the side rod 2; the transverse central axes of the side rod 2 and the middle rod 1 are arranged in parallel, wherein the side rod 2 is in the shape of “L”, and the distal end of the side rod 2 away from the middle rod 1 is hingedly connected with a connecting rod; the side rod 2 is rotationally connected with the positioner 3 in a sleeving manner, the positioner 3 is provided with a rubber sleeve at the connection with the middle rod 1 and the side rod 2, and the upper end of the positioner 3 is fixed to the truck chassis; the middle rod 1 and the side rod 2 form a complete balance lever component, which are connected and positioned through the connector 4, and under the action of the connecting rod, the connecting rod connects the independent suspension mechanism on the vehicle, plays a balanced traction in use, and prevents the vehicle from tilting.

[0032] Wherein the technical structure, need to be matched with the existing electric element combination use of laser radar or visual detection technology and so on in the vehicle driving mobile process, continuous detection roadside conditions, thereby through the assembly of electrical elements, control the use of the communication valve 12, selectively use hydraulic pressure assembly, the hydraulic pressure assembly, can also be directly matched with the existing scheme, the application of existing automobile balance bar in the hydraulic rod power source, namely using engine oil pressure to provide power, oil circulation in its, form a sealed hydraulic system; Such as selective through the first liquid inlet 9 and the second liquid inlet 10 import, using hydraulic action control between the intermediate rod 1 and the side rod 2 rigid connection or movable connection, further as follows: the intermediate rod 1 middle outer wall is fixed with the communication valve 12 through the positioner 3, the communication valve 12 and the first liquid inlet 9 and the second liquid inlet 10 liquid.

[0033] Further, in the technical scheme, the first spiral roller 5 and the second spiral roller 6 are respectively connected to the end of the side rod 2 and the intermediate rod 1 inside the connector 4, wherein the second spiral roller 6 is rotatably provided with a hydraulic runner 7 at the connecting end of the intermediate rod 1, the hydraulic runner 7 is movably mounted with a limiting piece 8 in the middle, which is shown as Figure 10 The limiting piece 8 and the hydraulic runner 7 are axially movably mounted, the limiting piece 8 can axially move with the hydraulic runner 7, change the positioning of the limiting piece 8, further, in the scheme, the middle outer wall of the limiting piece 8 is set as a polygonal shape, and the middle of the limiting piece 8 and the hydraulic runner 7 are set to match each other, so that the limiting piece 8 and the hydraulic runner 7 form an axial extension and radial motion clamping installation structure;

[0034] The limiting piece 8 limits the rotation of the second spiral roller 6 through the hydraulic pressure, and the first liquid inlet 9 and the second liquid inlet 10 are provided outside the connector 4 corresponding to the positions of the hydraulic runner 7 and the limiting piece 8; the limiting piece 8 and the hydraulic runner 7 form a coaxial through axial relative extension structure, and the outer wall of the through part of the limiting piece 8 and the hydraulic runner 7 is set as a polygonal shape, and the limiting piece 8 is positioned in the groove of the inner wall of the end of the intermediate rod 1; the through extension part of the limiting piece 8 and the hydraulic runner 7 is also provided with an elastic piece, which is shown as Figure 10As shown, the elastic member is used to control the reset of the limiting member 8, and the sealing cavity at the penetration of the limiting member 8 and the hydraulic runner 7 is correspondingly arranged with the second liquid inlet 10; when the vehicle encounters a single-sided obstacle such as a single-sided bridge during driving, one side of the tire of the vehicle continuously drives on the obstacle, at this time, under the action of the hydraulic pressure assembly and the communication valve 12, the hydraulic state corresponding to the second liquid inlet 10 is released, and under the action of the elastic member, the oil in the sealing cavity at the penetration of the limiting member 8 and the hydraulic runner 7 is reversely discharged, and the oil pressure makes the limiting member 8 no longer engage with the recess in the inner wall of the end of the intermediate rod 1, at this time, the second spiral roller 6 releases the limiting state and can freely rotate, when the tire and the corresponding independent suspension structure reciprocatingly move up and down due to the driving obstacle, the independent suspension structure drives the side rod 2 to move through the connecting rod, and the side rod 2 rotates relative to the connector 4, which does not affect the intermediate rod 1 and does not apply traction to the other side rod 2 through the intermediate rod 1, so that the side rod 2 and the corresponding independent suspension structure installed thereon can well buffer and release energy, and the buffering and energy releasing effect of the independent suspension is improved.

[0035] Further, in the above technical solution, the side rod 2 is rotatably arranged with the connector 4, the intermediate rod 1 is fixedly arranged with the connector 4, the second spiral roller 6 is rotatably connected with the intermediate rod 1, and the first spiral roller 5 and the second spiral roller 6 are meshingly arranged; the edges of the hydraulic runner 7 and the limiting member 8 are arranged in a ring shape, and the ring-shaped outer wall is in close sealing sliding connection with the inner wall of the connector 4 by a sealing structure, and the like Figure 10 The sealing structure arranged on the ring-shaped outer wall at the penetration of the limiting member 8 and the hydraulic runner 7, and the sealing structure on the ring-shaped outer wall at the end of the limiting member 8 away from the hydraulic runner 7; at the same time, the connector 4 outside the hydraulic runner 7 is further connected with the liquid outlet 11, and the middle chamber where the hydraulic runner 7 is arranged is correspondingly arranged with the liquid outlet 11 and the first liquid inlet 9; the first spiral roller 5 and the second spiral roller 6 are rotatably connected with the connector 4, and the first spiral roller 5 and the second spiral roller 6 are arranged with gears meshing with each other between the one end of the middle shaft inside the connector 4, and the first spiral roller 5 is fixed with the side rod 2; when the independent suspension structure reciprocatingly buffers and releases energy due to the vehicle continuously encountering obstacles, the reset state of the energy release is achieved by controlling the use of the communication valve 12, so that the oil is pressurized and introduced into the first liquid inlet 9 and discharged from the liquid outlet 11, and in this process, the oil gives the driving energy to the hydraulic runner 7, so that the hydraulic runner 7 and the second spiral roller 6 rotate in opposite directions, and under the action of the gear structure on the second spiral roller 6, the first spiral roller 5 and the corresponding side rod 2 are reversely driven to move and reset, so that the side rod 2 can quickly reset the corresponding independent suspension system, so that the buffering and energy releasing effect is better in work, and the shaking and driving safety of the vehicle in the driving process is reduced.

[0036] Further, in the technical solution, when the vehicle runs on a curved and turning road, the electric element combination such as laser radar or visual detection technology is detected, and the oil liquid is introduced into the second liquid inlet 10 through the valve 11, the oil pressure of the oil liquid makes the limiting piece 8 and the hydraulic rotating wheel 7 axially extend, the protruding structure at the end of the limiting piece 8 is engaged and positioned with the groove in the inner wall of the end of the intermediate rod 1, that is, the end of the limiting piece 8 is provided with a protrusion corresponding to the groove in the inner wall of the end of the intermediate rod 1, which is axially fitted and slid, and is radially engaged, so that the protruding structure is inserted into the groove in the inner wall of the end of the intermediate rod 1, temporarily splicing and limiting between the intermediate rod 1 and the limiting piece 8, limiting the rotating movement of the limiting piece 8; at this time, through the cooperation of the intermediate rod 1, the limiting piece 8 and the hydraulic rotating wheel 7, the limiting effect of the second spiral roller 6 is achieved, and the limiting engagement performance of the second spiral roller 6 and the first spiral roller 5 is utilized to limit the side rod 2 synchronously, and the connector 4 and the intermediate rod 1 form a fixed structure as a whole, which has good stability effect and prevents the vehicle from tilting during driving; further, in the connector 4, solid lubricating substances can be arranged in the internal cavity, so that the first spiral roller 5 can rotate freely and prevent damping engagement, and the connection state of the second spiral roller 6 and the first spiral roller 5 is stable when the side rod 2 and the intermediate rod 1 are used synchronously to prevent the vehicle from tilting, and the second spiral roller 6 and the first spiral roller 5 are not broken or damaged due to shear and torsion external force.

[0037] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A new energy heavy truck chassis anti-roll balance bar structure, comprising a complete balance bar component composed of a middle bar (1) and a side bar (2), wherein a connector (4) is arranged between the end portions of the middle bar (1) and the side bar (2); characterized in that Further comprising: a first spiral roller (5) and a second spiral roller (6) are respectively connected to the end portions of the side bar (2) and the middle bar (1) inside the connector (4), wherein the connecting end of the second spiral roller (6) and the middle bar (1) is rotatably provided with a hydraulic rotating wheel (7), the middle portion of the hydraulic rotating wheel (7) is telescopically movably mounted with a limiting piece (8), the limiting piece (8) limits the rotation of the second spiral roller (6) through hydraulic pressure, and the outside of the connector (4) is provided with a first liquid inlet (9) and a second liquid inlet (10) corresponding to the positions of the hydraulic rotating wheel (7) and the limiting piece (8). The side bar (2) is rotatably mounted with the connector (4), and the middle bar (1) is fixedly arranged with the connector (4), wherein the second spiral roller (6) is rotatably connected with the middle bar (1), and the first spiral roller (5) and the second spiral roller (6) are meshingly arranged; the edges of the hydraulic rotating wheel (7) and the limiting piece (8) are annular, and the annular outer wall is slidingly connected with the inner wall of the connector (4) in a sealing manner; meanwhile, the outer wall of the connector (4) below the hydraulic rotating wheel (7) is further connected with a liquid outlet (11), and the middle chamber where the hydraulic rotating wheel (7) is located is correspondingly arranged with the liquid outlet (11) and the first liquid inlet (9). The first spiral roller (5) and the second spiral roller (6) are rotatably connected with the connector (4), and the first spiral roller (5) and the second spiral roller (6) are meshingly arranged between the middle axes of the two ends; the first spiral roller (5) is fixed with the side bar (2); the limiting piece (8) and the hydraulic rotating wheel (7) form a coaxial through type axial relative telescopic structure, and the outer wall of the through portion of the limiting piece (8) and the hydraulic rotating wheel (7) is prismatic, and the limiting piece (8) is positioned in the groove of the inner wall of the end portion of the middle bar (1).

2. The anti-roll new energy heavy truck chassis link structure according to claim 1, characterized in that: The side bar (2) and the positioner (3) are rotatably connected in a sleeved manner, the positioner (3) is provided with a rubber sleeve at the connection position of the middle bar (1) and the side bar (2), and the upper end of the positioner (3) is fixed to the automobile chassis.

3. The anti-roll new energy heavy truck chassis link structure according to claim 1 or 2, characterized in that: The horizontal middle axes of the side bar (2) and the middle bar (1) are arranged in parallel, the side bar (2) is in the shape of "L", and the end portion of the side bar (2) away from the middle bar (1) is hingedly connected with a connecting rod.

4. The anti-roll new energy heavy truck chassis link structure according to claim 1, characterized in that: The through telescopic portion of the limiting piece (8) and the hydraulic rotating wheel (7) is further provided with an elastic member, the elastic member is used to control the reset of the limiting piece (8), and the sealing cavity of the through portion of the limiting piece (8) and the hydraulic rotating wheel (7) is correspondingly arranged with the second liquid inlet (10).

5. The anti-roll new energy heavy truck chassis lever structure according to claim 1, characterized in that: A communication valve (12) is fixed to the middle portion of the middle bar (1) through the positioner (3), and the communication valve (12) communicates with the first liquid inlet (9) and the second liquid inlet (10).

6. The anti-roll new energy heavy truck chassis link structure according to claim 5, characterized in that: The end portion of the limiting piece (8) towards the groove of the inner wall of the end portion of the middle bar (1) is provided with a protrusion, the protrusion is axially and radially fitted with the groove of the inner wall of the end portion of the middle bar (1).

Citation Information

Patent Citations

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