CN112158224A - Real-time active adjusting method for length of connecting rod and active anti-side-rolling torsion rod system - Google Patents

Real-time active adjusting method for length of connecting rod and active anti-side-rolling torsion rod system Download PDF

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Publication number
CN112158224A
CN112158224A CN202011125612.5A CN202011125612A CN112158224A CN 112158224 A CN112158224 A CN 112158224A CN 202011125612 A CN202011125612 A CN 202011125612A CN 112158224 A CN112158224 A CN 112158224A
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CN
China
Prior art keywords
rod
active
length
torsion bar
adjusting
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Pending
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CN202011125612.5A
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Chinese (zh)
Inventor
邹敏佳
刘欢
罗燕
刘文松
聂清明
倪世锋
霍艳霞
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Application filed by Zhuzhou Times New Material Technology Co Ltd filed Critical Zhuzhou Times New Material Technology Co Ltd
Priority to CN202011125612.5A priority Critical patent/CN112158224A/en
Publication of CN112158224A publication Critical patent/CN112158224A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes

Abstract

The invention relates to a real-time active adjusting method for the length of a connecting rod, which comprises the following steps: the active adjusting device is additionally arranged on the connecting rod, so that the length of the connecting rod can be actively adjusted in real time according to a control instruction. Thereby the defect that traditional connecting rod length is fixed, unable adjustment has been solved. The invention also relates to an active anti-roll torsion bar system: the method comprises the following steps: the connecting rod is provided with the ball screw mechanism, the length of the connecting rod can be rapidly adjusted in real time according to a control instruction, so that the torsion bar is subjected to torsional deformation, and further, the side rolling resisting moment is actively provided for the train body, the side rolling angle of the train body is actively adjusted, the speed and the safety of the train passing through a curve are improved, and the running speed of the train is improved.

Description

Real-time active adjusting method for length of connecting rod and active anti-side-rolling torsion rod system
Technical Field
The invention belongs to the rail transit industry, and particularly relates to a real-time active adjusting method for the length of a connecting rod and an active anti-side-rolling torsion rod system.
Background
When the train turns at a high speed, objects and passengers in the train are influenced by centrifugal motion, the objects and the luggage on the train can slide sideways, the passengers on seats can be pressed aside, and standing passengers are more likely to lose balance and fall down, so that the train turning needs to reduce the speed of the train, thereby limiting the running speed of the train and limiting the line capacity. The swing train can improve the turning speed of the train, thereby improving the running speed of the train.
According to different inclination modes of the vehicle body, the vehicle can be divided into a natural pendulum type and a forced pendulum type. The natural pendulum is also called passive pendulum. The train body is supported by the roller device and the high-level air spring, and when the train passes through a curve, centrifugal force is generated, so that the train body rotates around the swing center of the train body and naturally inclines to the inner side of the curve without external power. The inclination angle of the passive pendulum type train body can reach 3-5 degrees, the angle of the passive pendulum with control can reach 3-6 degrees, and the curve running speed of the conventional train can be improved by 10-20 percent.
The forced pendulum type is also called an active pendulum. The curve detection device, the vehicle-mounted computer control device and the tilting transmission device are used for tilting, and the tilting angle can reach 10 degrees at most. The active pendulum type train body can improve the curve running speed of a conventional train by 30 to 35 percent. But the maximum angle is 2 degrees by adopting the forced swinging realized by changing the mode that the air spring of the secondary suspension of the bogie has different inflation heights. The speed-up range is mostly within 10 percent, but the cost is lower.
At the present stage, the transport capacity of partial trunk railways and urban underground railways in China tends to be saturated, and the train running speed becomes a key influence factor for restricting the transport capacity of the lines. On the basis of not changing the existing line structure, the pendulum train is developed to become an effective way for improving the curve passing speed of the train. The tilting mechanism of the pendulum train comprises a four-pendulum rod type, a rolling guide rail type, a side rolling resistance torsion rod type and an air spring type. The anti-rolling torsion bar type has the advantages of simple structure, low modification difficulty, low manufacturing cost and easiness in maintenance, and becomes a key direction for future development.
The traditional anti-side-rolling torsion bar device is composed of a torsion bar assembly, a connecting rod assembly and a supporting seat assembly, wherein the length of the connecting rod assembly cannot be adjusted in the running process of a vehicle body, and a torsion bar shaft passively generates torsional deformation when the vehicle body rolls on the side, so that anti-side-rolling reaction moment is provided for the vehicle body. The active anti-rolling torsion bar device can self-adaptively adjust the length of the connecting rod according to the line condition in the running process of a train, further enable the torsion bar shaft to be twisted and deformed, and actively provide anti-rolling moment for a train body, thereby achieving the purpose of adjusting the side rolling angle of the train body. Therefore, how to design the anti-rolling torsion bar device with the adjustable connecting rod length becomes the key for actively adjusting the side rolling angle of the vehicle body.
Through patent retrieval, the following patents mainly exist, which have a certain relationship with the invention:
1. the invention discloses an anti-rolling torsion bar device for rail transit and an active control anti-rolling method, which are Chinese invention patents with the application number of 201610597642.3, the application date of 2016.07.26, the publication number of CN106184268B, the publication number of 2018.09.25, the name of an active control anti-rolling method and the applicant of southwest transportation university. The invention discloses an anti-rolling torsion bar device capable of actively controlling and adjusting the side rolling angle of a vehicle body and a method for actively controlling the anti-rolling by using the device. Compared with the prior art, the invention solves the problem that the anti-side-rolling torsion bar has poor adaptability to the environment such as lines, weather and the like, can inhibit the side-rolling movement of the vehicle body by applying acting force through the actuator on the premise of not influencing the dynamic performance of the normal vehicle, and the actuator can quickly respond according to the difference of the vehicle running speed, thereby meeting the requirement of the vehicle system on the anti-side-rolling action, realizing the aims of adjustable anti-side-rolling acting force and controllable acting time and further improving the running speed of the vehicle in a complex environment. The patent is only a principle and a method for actively controlling and adjusting the side rolling angle of the vehicle body, and does not relate to a specific structure for actively adjusting the length of the connecting rod in real time.
2. The invention discloses an active power adjusting suspension system for an off-road vehicle, which is a Chinese invention patent with the application number of '201810071851.3', the application date of '2018.01.25', the publication number of 'CN 108327479A', the publication date of '2018.07.27', the name of 'an active power adjusting suspension system for an off-road vehicle', and the application person of 'Hunan university', and the invention discloses an active power adjusting suspension system for an off-road vehicle, which is characterized in that a front torsion bar and a rear torsion bar are arranged on a vehicle body; one side of each of the front torsion bar and the rear torsion bar is connected with a wheel on one side of the vehicle body, and the other side of each of the front torsion bar and the rear torsion bar is connected with a connecting rod; the connecting rod comprises a front connecting rod connected with the front torsion bar and a rear connecting rod connected with the rear torsion bar; the front connecting rod is connected with a front hydraulic cylinder, and the rear connecting rod is connected with a rear hydraulic cylinder; two ends of the front hydraulic cylinder and the rear hydraulic cylinder are respectively communicated to form two closed oil paths; the upper cavities of the front hydraulic cylinder and the rear hydraulic cylinder are communicated with the upper cavity of the middle hydraulic cylinder, and the lower cavity is communicated with the lower cavity of the middle hydraulic cylinder; the piston rod of the middle hydraulic cylinder is connected with a locking adjusting mechanism. The active power adjusting suspension system can realize the balance of the anti-roll performance and the torsion-eliminating performance of the vehicle, can increase the roll stiffness of the vehicle during turning, enables the vehicle to have good roll stability, can eliminate the torsional load of the vehicle body, increases the wheel stroke, and enables the vehicle to have good cross-country trafficability. The locking device for passively adjusting the connecting rod enables the vehicle to adapt to different road conditions, and cannot realize real-time active adjustment of the length of the connecting rod.
3. The invention relates to a self-positioning adjusting method and a self-positioning adjusting device for an anti-side-rolling torsion bar, which are disclosed in China patents with the application number of 201910683078.0, the application date of 2019.07.26, the publication number of CN110329298A and the publication date of 2019.10.15, the name of the self-positioning adjusting method and the self-positioning adjusting device for the anti-side-rolling torsion bar and the application person of the China patents of 'New Material science and technology Co Ltd in Zhou time of China'. A self-positioning adjusting device with a connecting rod length adjusting device and a self-positioning adjusting device is arranged between the two parts of the connecting rod, and the two parts of the connecting rod are connected through the self-positioning adjusting device with the connecting rod length adjusting device and the self-positioning adjusting device. The connecting rod is connected with the two parts through the self-positioning adjusting device, so that the length adjustment of the connecting rod is facilitated, the positioning of the connecting rod can be ensured during the adjustment of the connecting rod, and the influence on the service life of the connecting rod node due to the relative position deviation of the upper connecting rod node and the lower connecting rod node of the adjustable vertical connecting rod in the loading process is avoided; meanwhile, the maintenance process of the product is optimized, and the product maintenance can be completed by replacing the locking nut without adopting an additional tool. This patent is the installation adjusting device of a connecting rod, can not realize the real-time initiative of connecting rod length and adjust.
4. The utility model discloses a utility model patent of application number "201621166973.3", application date "2016.11.02", publication number "CN 206141565U", publication number "2017.05.03", name "be used for the vertical connecting rod adjustable anti-side rolling torsion bar device of linear electric motor vehicle", applicant for "shozhou era new material science and technology limited company", this utility model discloses a be used for the vertical connecting rod adjustable anti-side rolling torsion bar device of linear electric motor vehicle, including torsion bar axle, torsion arm, supporting seat constitution, vertical connecting rod constitution includes levogyration bulb, vertical connecting rod and dextrorotation bulb, the upper end and the lower extreme of vertical connecting rod all set up to take the internal thread opposite direction at internal thread tubulose and vertical connecting rod both ends of internal thread; the left-handed ball head and the right-handed ball head are respectively connected to the upper end and the lower end of the vertical connecting rod in a threaded connection mode. The utility model discloses a different rotation direction characteristics of both ends screw thread hookup can realize vertical connecting rod altitude mixture control under the limited condition in space. Can realize dismantling the function and practice thrift cost of maintenance and cycle, can realize adjusting vertical connecting rod height under the limited condition in space moreover, possess obvious advantage. This patent is only the device of connecting rod when installation and dismantlement, can not realize the real-time initiative of connecting rod length and adjust.
Disclosure of Invention
The invention aims to solve the technical problem of providing a real-time active adjusting method for the length of a connecting rod and an active anti-rolling torsion rod system aiming at the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a connecting rod length real-time active adjusting method divides a connecting rod into a first connecting rod part and a second connecting rod part, wherein the first connecting rod part and the second connecting rod part are movably connected through an active adjusting device, and the active adjusting device can actively adjust the length of the connecting rod in real time according to a control instruction. Thereby generating torsional deformation of the torsion bar and actively providing anti-rolling moment for the vehicle body. Compared with the traditional passive anti-rolling torsion bar system, the passive anti-rolling torsion bar system only needs to additionally arrange an active adjusting device on the connecting rod, and overcomes the defects that the length of the traditional connecting rod is fixed and cannot be adjusted. The active adjustment of the side rolling angle of the train body is realized, the speed and the safety of the train passing through a curve are improved, and the running speed of the train is improved.
Furthermore, the active adjusting device adopts a ball screw mechanism, and a screw nut is driven by a servo motor to move along the axial direction of the ball screw, so that the length of the connecting rod is adjusted. The ball screw mechanism has the characteristics of small rotating friction force, high transmission efficiency and quick response, and can quickly adjust the length of the connecting rod according to a control instruction.
Furthermore, the active adjusting device is provided with a sensor and a controller for detecting the length of the connecting rod, and the detection result of the sensor is fed back to the controller to realize closed-loop control, so that the control precision of the length of the connecting rod is improved, and the magnitude of the active anti-rolling moment is accurately controlled.
The invention also relates to an active anti-roll torsion bar system comprising: connecting rod, torsion bar and supporting seat, the connecting rod both ends are provided with ball pivot one and ball pivot two respectively, and the one end and the torsion bar of connecting rod are articulated, its characterized in that: the connecting rod includes: the first connecting rod part and the second connecting rod part are movably connected through the active adjusting device. The active adjusting device can actively adjust the length of the connecting rod in real time according to the control instruction, further enable the torsion bar to generate torsional deformation, and actively provide anti-rolling moment for the train body, so that the side rolling angle of the train body adapts to the line condition, and the running speed of the train is improved.
Further, the active adjustment device is a ball screw mechanism, the ball screw mechanism including: shell, servo motor, screw nut and ball, servo motor drives ball according to control command and rotates to make screw nut along ball axial displacement, thereby adjust connecting rod length. The ball screw mechanism has the characteristics of small rotating friction force, high transmission efficiency and quick response, and can quickly adjust the length of the connecting rod according to a control instruction.
Furthermore, the screw nut is detachably connected with the first spherical hinge to form a first connecting rod part, so that the first connecting rod part is convenient to mount, dismount and maintain.
Furthermore, the shell is detachably connected with the second spherical hinge to form a second connecting rod part, so that the installation, the disassembly and the maintenance are convenient.
Further, a sensor for detecting the length of the link is also provided in the housing. The control precision of the length of the connecting rod is improved, and the magnitude of the active anti-roll moment and the roll angle of the vehicle body are accurately controlled.
Furthermore, lubricating oil is filled in the shell, and the shell is provided with a plug. So that the lubricating oil can be replaced regularly to ensure that the ball screw mechanism is well lubricated.
Further, a sealing ring and a dust cover are arranged between the screw nut and the shell to prevent particles and water vapor in the air from polluting lubricating oil.
The invention has the beneficial effects that: the connecting rod of the invention adopts a ball screw mechanism, and the length of the connecting rod is rapidly adjusted in real time according to a control instruction, so that the torsion bar generates torsional deformation, and further the anti-rolling moment is actively provided for the vehicle body. Compared with the traditional passive anti-rolling torsion bar system, the passive anti-rolling torsion bar system overcomes the defects that the length of the traditional connecting bar is fixed and cannot be adjusted by only additionally arranging the active adjusting device on the connecting bar. Therefore, the active adjustment of the side rolling angle of the train body is realized, the speed and the safety of the train passing through a curve are improved, and the running speed of the train is improved.
Drawings
Figure 1 is a schematic view of a prior art torsion bar construction,
FIG. 2 is a schematic diagram of a real-time active adjustment structure of the length of the connecting rod,
figure 3 is a schematic structural view of an embodiment of the active anti-roll torsion bar system,
figure 4 is a schematic view of the structure of the electromechanical actuator in a contracted state,
figure 5 is a schematic view of the electro-mechanical actuator in an extended configuration,
in the figure: the device comprises a connecting rod 1, a ball joint 11, a snap ring 12, a lead screw nut 13, a dust cover 14, a sealing ring 15, a plug 16, a guide rail 17, a ball screw 18, a housing 19, a gear 20, a sensor 21, a snap ring 22, a ball joint 23, a speed reducer 24, a servo motor 25, a torsion bar 2, a support seat 3, a connecting rod A, a connecting rod B, an active adjusting device C, a connecting rod L, a connecting rod contraction state length L1 and a connecting rod elongation state length L2.
Detailed Description
The invention is further described by the following specific embodiments in conjunction with the attached drawings:
the existing torsion bar is shown in fig. 1: the method comprises the following steps: the automobile body tilting device comprises a connecting rod 1, a torsion rod 2 and a supporting seat 3, wherein the torsion rod 2 is fixed on a bogie through the supporting seat 3, two rotating arms of the torsion rod 2 are hinged to two sides of an automobile body through the two connecting rods 1 respectively, and when the automobile body tilts, the connecting rods 1 on two sides of the automobile body drive the two rotating arms of the torsion rod 2 to rotate in opposite directions respectively, so that the torsion rod 2 generates torsional deformation, and side rolling resisting moment opposite to the tilting of the automobile body is generated, so that gravity moment generated after the automobile body tilts is balanced, and driving safety.
Since the centrifugal force of train turning tends to cause the train body to roll, the anti-roll moment of the torsion bar 2 is not sufficient to balance the overturning moment generated by the train centrifugal force when the speed is high, so that the anti-roll moment of the torsion bar 2 needs to be increased. The anti-roll moment can be increased by adopting the real-time active adjusting mode of the connecting rod length.
As shown in fig. 2: the real-time active adjusting method of the length of the connecting rod comprises the step of dividing the connecting rod into a first connecting rod part A and a second connecting rod part B, wherein the first connecting rod part A and the second connecting rod part B are movably connected through an active adjusting device C, and the active adjusting device C can actively adjust the length L of the connecting rod in real time according to a control instruction. And then the torsion bar shaft is twisted and deformed, and the anti-rolling moment is actively provided for the train body, so that the side rolling angle of the train body adapts to the line condition, and the running speed of the train is improved.
The active adjusting device C adopts a ball screw mechanism, and drives the screw nut 13 to move axially along the ball screw 18 through the servo motor 25, so as to adjust the length L of the connecting rod. The ball screw mechanism has the characteristics of small rotating friction force, high transmission efficiency and quick response, and can quickly adjust the length L of the connecting rod according to a control instruction.
The active adjusting device C is provided with a sensor and a controller for detecting the length L of the connecting rod, the detection result of the sensor is fed back to the controller, closed-loop control is achieved, the control precision of the length L of the connecting rod is improved, and the active anti-rolling moment is accurately controlled.
As shown in fig. 3 to 5: the active anti-roll torsion bar system of the present invention comprises: connecting rod 1, torsion bar 2 and supporting seat 3, torsion bar 2 passes through supporting seat 3 to be fixed on the bogie, and two rocking arms of torsion bar 2 are articulated with the automobile body both sides respectively through two connecting rods 1 simultaneously.
Two ends of the connecting rod 1 are respectively provided with a first spherical hinge 11 and a second spherical hinge 23, one end of the connecting rod 1 is hinged with the torsion bar 2, and the connecting rod 1 comprises: the connecting rod component A and the connecting rod component B are movably connected through the ball screw mechanism.
The ball screw mechanism includes: a housing 19, a servo motor 25, a screw nut 13 and a ball screw 18. The first spherical hinge 11 is detachably connected with the lead screw nut 13 through threads to form a first connecting rod component A, and is locked through a first clamping ring 12 to prevent the first spherical hinge 11 from loosening from the lead screw nut 13. The second ball hinge 23 is detachably connected with the shell 19 through threads to form a second connecting rod part B, and is locked through a second snap ring 22 to prevent the second ball hinge 23 from loosening from the shell 19.
The servo motor 25 is decelerated by the reduction gear 24 according to a control command to rotate the ball screw 18, so that the screw nut 13 moves in the axial direction of the ball screw 18, and the length L1 from the link contracted state to the link extended state can be adjusted to the length L2. The ball screw mechanism has the characteristics of small rotating friction force, high transmission efficiency and quick response, and can quickly adjust the length L of the connecting rod according to a control instruction.
The ball screw mechanism is also provided with a sensor 21 and a controller, closed-loop control is realized, so that the control precision of the length L of the connecting rod is improved, and the magnitude of the active anti-rolling moment is accurately controlled. The sensor 21 detects the position of the screw nut 13 to detect the length L of the connecting rod, and then the length L of the connecting rod is transmitted to the controller to be compared with the control command, and the servo motor 25 is controlled to rotate according to the comparison result until the length L of the connecting rod meets the requirement of the control command.
When a train enters a curve, a driver sends a control instruction for changing the length L of the connecting rod, so that the connecting rod 1 positioned on the outer side of the curve is extended, and the connecting rod 1 positioned on the inner side of the curve is shortened, therefore, the torsion bar 2 generates larger anti-rolling moment to balance the rolling moment generated by centrifugal force, so that the train can safely pass through the curve at a higher speed, and the running speed of the train is improved.
Lubricating oil is filled in the shell 19, so that the ball screw mechanism is ensured to be well lubricated. An oil drain hole is arranged on the shell 19, threads are arranged on the oil drain hole, lubricating oil in the shell 19 is replaced through the oil drain hole, and then the plug 12 is screwed on for sealing.
The contact surface of the screw nut 13 and the shell 19 is provided with a sealing ring 15 and a dust cover 14, the dust cover 14 adopts a bellows structure, and the dust cover can play a role of dust prevention when the extension length of the connecting rod 1 is greatly changed so as to prevent particles and water vapor in the air from polluting lubricating oil.
In summary, the following steps: the invention has the beneficial effects that: the connecting rod of the invention adopts a ball screw mechanism, and the length of the connecting rod is rapidly adjusted in real time according to a control instruction, so that the torsion bar generates torsional deformation, the torsion bar shaft is further torsionally deformed, and the anti-rolling moment is actively provided for the vehicle body. Compared with the traditional passive anti-rolling torsion bar system, the passive anti-rolling torsion bar system only needs to additionally arrange an active adjusting device on the connecting rod, and overcomes the defects that the length of the traditional connecting rod is fixed and cannot be adjusted. Therefore, the active adjustment of the side rolling angle of the train body is realized, the speed and the safety of the train passing through a curve are improved, and the running speed of the train is improved.
The above embodiments are provided for illustrative purposes only and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should fall within the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims (10)

1. A real-time active adjusting method for the length of a connecting rod is characterized by comprising the following steps: the connecting rod is divided into a first connecting rod part (A) and a second connecting rod part (B), the first connecting rod part (A) and the second connecting rod part (B) are movably connected through an active adjusting device (C), and the active adjusting device (C) can actively adjust the length (L) of the connecting rod in real time according to a control instruction.
2. The real-time active adjusting method of the length of the connecting rod according to claim 1, characterized in that: the active adjusting device (C) adopts a ball screw mechanism, and a servo motor (25) drives a screw nut (13) to move axially along a ball screw (18), so that the length (L) of the connecting rod is adjusted.
3. The real-time active adjusting method of the length of the connecting rod as claimed in claim 2, characterized in that: the active adjusting device (C) is provided with a sensor and a controller for detecting the length (L) of the connecting rod, and the detection result of the sensor is fed back to the controller to realize closed-loop control.
4. An active anti-roll torsion bar system comprising: connecting rod (1), torsion bar (2) and supporting seat (3), connecting rod (1) both ends are provided with ball pivot one (11) and ball pivot two (23) respectively, and the one end and torsion bar (2) of connecting rod (1) are articulated, its characterized in that: the connecting rod (1) comprises: the connecting rod component I (A) is movably connected with the connecting rod component II (B) through the active adjusting device (C).
5. The active anti-roll torsion bar system according to claim 4, wherein: the active adjustment device (C) is a ball screw mechanism comprising: shell (19), servo motor (25), lead screw nut (13) and ball (18), servo motor (25) drive ball (18) according to control command and rotate to make lead screw nut (13) along ball (18) axial displacement, thereby adjust connecting rod length (L).
6. The active anti-roll torsion bar system according to claim 5, wherein: the screw rod nut (13) is detachably connected with the first spherical hinge (11) to form a first connecting rod component (A).
7. The active anti-roll torsion bar system according to claim 6, wherein: the shell (19) is detachably connected with the second spherical hinge (23) to form a second connecting rod component (B).
8. The active anti-roll torsion bar system according to claim 7, wherein: a sensor (21) for detecting the length (L) of the link is also provided in the housing (19).
9. The active anti-roll torsion bar system according to claim 8, wherein: lubricating oil is filled in the shell (19), and the shell (19) is provided with a plug (12).
10. The active anti-roll torsion bar system according to claim 9, wherein: a seal ring (15) and a dust cover (14) are provided between the screw nut (13) and the housing (19).
CN202011125612.5A 2020-10-20 2020-10-20 Real-time active adjusting method for length of connecting rod and active anti-side-rolling torsion rod system Pending CN112158224A (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN112644538A (en) * 2021-01-04 2021-04-13 株洲时代新材料科技股份有限公司 Passive adjusting method for length of connecting rod and passive control torsion bar system
CN112810651A (en) * 2021-01-14 2021-05-18 中车长春轨道客车股份有限公司 Anti-rolling device of railway vehicle and control method thereof
CN112896214A (en) * 2021-02-04 2021-06-04 中车青岛四方车辆研究所有限公司 Single-arm double-connecting-rod anti-rolling torsion bar tilting device
CN112960007A (en) * 2021-02-04 2021-06-15 中车青岛四方车辆研究所有限公司 Active tilting device

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CN112644538A (en) * 2021-01-04 2021-04-13 株洲时代新材料科技股份有限公司 Passive adjusting method for length of connecting rod and passive control torsion bar system
CN112644538B (en) * 2021-01-04 2022-03-18 株洲时代新材料科技股份有限公司 Passive adjusting method for length of connecting rod and passive control torsion bar system
CN112810651A (en) * 2021-01-14 2021-05-18 中车长春轨道客车股份有限公司 Anti-rolling device of railway vehicle and control method thereof
CN112896214A (en) * 2021-02-04 2021-06-04 中车青岛四方车辆研究所有限公司 Single-arm double-connecting-rod anti-rolling torsion bar tilting device
CN112960007A (en) * 2021-02-04 2021-06-15 中车青岛四方车辆研究所有限公司 Active tilting device

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