CN203157717U - Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device - Google Patents
Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device Download PDFInfo
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- CN203157717U CN203157717U CN 201320058646 CN201320058646U CN203157717U CN 203157717 U CN203157717 U CN 203157717U CN 201320058646 CN201320058646 CN 201320058646 CN 201320058646 U CN201320058646 U CN 201320058646U CN 203157717 U CN203157717 U CN 203157717U
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- tween drive
- midship mounting
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Abstract
The utility model relates to control over vehicle vibration, in particular to a middle supporting device which can reduce vibration of a transmission shaft system due to bounce of a rear axle. Meanwhile, the utility model relates to a rear axle driving system with the middle supporting device and a vehicle with the middle supporting device. The middle supporting device comprises a power input shaft, a middle transmission shaft, a main transmission shaft, a power output shaft and a supporting frame, wherein the supporting frame is matched with the middle transmission shaft in a rotary mode. An equivalent angle is formed by the middle transmission shaft and the power input shaft, an equivalent angle is formed by the main transmission shaft and the power input shaft, and an equivalent angle is formed by the power output shaft and the power input shaft. The middle supporting device further comprises a real-time adjusting device which comprises a lifting mechanism, a displacement sensor and a controller, wherein the lifting mechanism is arranged on the supporting frame and used for driving the supporting frame to produce vertical displacement relative to a vehicle frame, the displacement sensor is used for detecting relative displacement between the rear axle of a vehicle and the vehicle frame in real time, and the controller is connected to the displacement sensor, and controls lifting quantity of the lifting device according to the relative displacement so as to adjust the equivalent angles to enable the equivalent angles to keep within a setting range.
Description
Technical field
The utility model relates to the control of Vehicular vibration, particularly rear-axle drive system and the vehicle of midship mounting device and this device of use.
Background technology
At present, adopt the vehicle of preposition rear-guard driving system generally need use the more piece transmission shaft to realize that engine torque is to the transmission of back axle, its arrangement is: engine mission is preceding, be followed successively by input shaft, joint or more piece tween drive spindle, main driving axle, output shaft and a back axle backward, link to each other by cross-axle universal shaft coupling between each, and allow to exist between each the angular deviation of a threshold quantity; Each tween drive spindle all is connected with vehicle frame by midship mounting, to guarantee that the power transmission is steady, prevent the transmission shaft swing, improve transmission shaft rigidity and avoid resonance.But, because there is angular deviation in the transmission shaft at each cross-axle universal shaft coupling two ends, particularly inevitably there is the angular deviation of variation between main driving axle and the output shaft owing to beating of back axle, can cause the variable speed of two shaft drive, and then self-excitation produces torque ripple, add the vibration that is produced by the torque ripple that passes in the engine mission and the amount of unbalance of transmission shaft own simultaneously, all will pass to vehicle frame by midship mounting, and then cause the vibration of car load, influenced the traveling comfort of vehicle.
Midship mounting is as the vibration isolator between vehicle frame and the transmission shaft, and its structure and performance are bigger to the level of vibration influence of preposition rear-guard vehicle.Domestic and international research at the midship mounting cushioning performance at present mainly is rigidity and the damping situation by improving midship mounting, the disclosed midship mounting of utility model patent CN 202242982 U for example, comprise bracing frame, this midship mounting utilization is arranged on the inside and outside secondary vibration damping original paper of bracing frame transmission shaft is carried out vibration damping and absorbing, to reach vibration isolating effect preferably; The disclosed a kind of mass damper for the midship mounting bearing of patent of invention CN 101254748 A reduces the vibration amplitude of transmission shaft by the damping effect of this damper for another example, and then improves the level of vibration in the car.But the research that the improvement by structure that the centre is supported and performance improves vibration isolating effect all belongs to passive noise reduction technology, and its prerequisite is that the vibration source situation can't be improved, and has only by the mode of improving bang path and obtains vibratory response preferably.
And studies show that the variable speed characteristic of cross-axle universal shaft coupling is the root (with reference to Feng Zhen east academic dissertation " dynamics analysis of many universal-joints transmission and application thereof ", Jilin Industry University) that the transmission shaft vibration is transmitted and enlarged.Support under the situation about determining when the centre, the load of vehicle and road condition change cause back axle to be beated, and make that the angular deviation between output shaft and the main driving axle surpasses limit value, will cause the aggravation of local vibration.Therefore, guarantee that respectively saving the transmission shaft equivalent angle changes in restricted portion, particularly main driving axle and output shaft change in restricted portion with respect to the equivalent angle of input shaft, are the prerequisites that guarantees the Vehicular vibration horizontal stable.
The utility model content
The purpose of this utility model provides a kind of can reducing and provides a kind of rear-axle drive system and vehicle that uses this device simultaneously because of the beat midship mounting device of the transmission shafting vibration that causes of back axle.
The technical scheme that the midship mounting device adopts in the utility model is: the midship mounting device, comprise power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
Compare with the damping situation with the rigidity of only improving midship mounting in the prior art, the utility model has increased real-time regulating apparatus at midship mounting, utilize displacement pickup to detect the relative shift of beating between vehicle rear axle and the vehicle frame in real time, utilize controller dispensed and the vertical displacement by setting device control support frame as described above then, remain in the setting range, effectively reduce the transmission shafting vibration of beating and causing because of back axle thereby control equivalent angle between transmission shaft in real time.
Described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.By judge module and optimization module, can distribute and control the vertical displacement amount of each described midship mounting at different road conditions, load working condition better, reach optimum adjustment effect.
Described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and thereby the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.Adopt hydraulic actuating cylinder and hydraulic oil pump, be convenient to control and stable performance.
The technical scheme that the rear-axle drive system adopts in the utility model is: the rear-axle drive system, comprise the midship mounting device, described midship mounting device comprises power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
Described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.
Described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and thereby the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.
Use comprises the rear-axle drive system of above-mentioned midship mounting device, compare with the damping situation with the rigidity of only improving midship mounting in the prior art, the utility model has increased real-time regulating apparatus at midship mounting, utilize displacement pickup to detect the relative shift of beating between vehicle rear axle and the vehicle frame in real time, utilize controller dispensed and the vertical displacement by setting device control support frame as described above then, thereby the equivalent angle of controlling in real time between transmission shaft remains in the setting range, effectively reduce the transmission shafting vibration of beating and causing because of back axle, have the favorable damping effect, improve the stability of driving system, reliability and transmission efficiency.
The technical scheme that a kind of vehicle adopts in the utility model is: a kind of vehicle, comprise the midship mounting device, described midship mounting device comprises power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
Described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.
Described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and thereby the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.
Vehicle adopts above-mentioned midship mounting device, compare with the damping situation with the rigidity of only improving midship mounting in the prior art, the utility model has increased real-time regulating apparatus at midship mounting, utilize displacement pickup to detect the relative shift of beating between vehicle rear axle and the vehicle frame in real time, utilize controller dispensed and the vertical displacement by setting device control support frame as described above then, thereby the equivalent angle of controlling in real time between transmission shaft remains in the setting range, effectively reduce the transmission shafting vibration of beating and causing because of back axle, has the favorable damping effect, improve the stability of driving system, reliability and transmission efficiency, reduce the body vibration of rear-axle drive system from root, under various operating modes, improve the vibration situation of vehicle drive system, promote the traveling comfort of taking.
Description of drawings
Fig. 1: the structure principle chart of the midship mounting device embodiment in the utility model;
Fig. 2: the structural representation of midship mounting.
The name of each Reference numeral is called among the figure: 1 engine mission, 2 power input shafts, 3 cross-axle universal shaft couplings, 4 tween drive spindles, 5 midship mountings, 51 hydraulic actuating cylinders, 52 bracing frames, 6 hydraulic oil pumps, 7 controllers, 8 main driving axles, 9 power take-off shafts, 10 back axles, 11 displacement pickups.
The specific embodiment
The midship mounting device embodiment as shown in Figure 1 and Figure 2 in the utility model, comprise power input shaft 2, three tween drive spindles 4, main driving axle 8, power take-off shaft 9 and with the bracing frame 52 of tween drive spindle 4 normal-running fiies, describedly be in transmission connection by cross-axle universal shaft coupling 3 successively between each and keep certain angle, between described main driving axle 8 and the power take-off shaft 9 relatively power input shaft 2 have equivalent angle.The midship mounting device also comprises real-time regulating apparatus, and described real-time regulating apparatus comprises being arranged on the support frame as described above 52 and is used for driving support frame as described above 52 and produces the displacement pickup 11 of the lifting mechanism of vertical displacement, the back axle 10 that is used for detecting in real time vehicle and the relative shift between the vehicle frame with respect to vehicle frame and be connected on the described displacement pickup 11 and the lifting amount of controlling described jacking system according to described relative shift remains on controller 7 in the setting range to regulate described equivalent angle.Described controller 7 comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle 4 equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting 5 so that the equivalent angle of each tween drive spindle 4 reaches the optimization module of described angle value.Described lifting mechanism comprise be connected on the vehicle frame hydraulic actuating cylinder 51 that is used for driving support frame as described above 52 dipping and heaving and with described hydraulic actuating cylinder 51 and described controller 7 links to each other and thereby the lifting amount of described hydraulic actuating cylinder 51 is controlled in oil suction or oil extraction under the control of described controller 7 hydraulic oil pump 6.Described hydraulic actuating cylinder 51 and bracing frame 52 constitute midship mounting 5.Described displacement pickup 11 links to each other with vehicle frame by rigid connecting rod and is placed in the top of back axle 10.
When vehicle operating, the power of engine mission 1 is delivered to back axle 10 via power input shaft 2, tween drive spindle 4, main driving axle 8, power take-off shaft 9 and cross-axle universal shaft coupling 3, distributes to wheel by back axle 10 then and drives vehicle.Owing to connected by resilient suspension between back axle 10 and the vehicle frame, therefore relative displacement can be arranged between the two.Be in when vehicle under the different loads operating modes such as zero load, semi-load, fully loaded or overload, back axle 10 is different with relative position between the vehicle frame, and under the operating mode of different road surfaces the displacement of the back axle 10 relative vehicle frames also difference of scope of beating.The bob of back axle 10 makes main driving axle 8 and power take-off shaft 9 constantly change with respect to the equivalent angle of power input shaft 2, when the equivalent angle at this two place changes the torsion oscillations that will aggravate this two nodal axisn when excessive, back axle 10 vibrations are increased, pass to midship mounting 5 simultaneously and then make car internal vibration aggravation.Utilize real-time regulating apparatus, controller 7 can according to relative displacement signal in a period of time aviation value and rangeability is judged and the optimization of carrying out equivalent angle is calculated, and to optimize be optimization aim with the displacement of adjusting midship mounting 5 in the vertical directions mainly.Controller 7 is controlled hydraulic oil pump 6 according to judgement optimization result and is carried out oil suction or oil extraction, and then the hydraulic actuating cylinder 51 that drives among Fig. 2 carries out work.Variation up and down by midship mounting 5, the badness of main driving axle 8 and power take-off shaft 9 equivalent angle is shared by tween drive spindle 4 part adjustment, main driving axle 8 and power take-off shaft 9 are remained in the setting range with respect to the equivalent angle of power input shaft 2, effectively reduce the transmission shafting vibration of beating and causing because of back axle 10, promote transmission stability, effectively improve the traveling comfort of vehicle under various operating modes.
In the utility model in rear-axle drive system and the utility model a kind of embodiment of vehicle namely comprise rear-axle drive system and a kind of vehicle of above-mentioned midship mounting device, repeat no more herein.
In the above-described embodiments, jacking system has preferably adopted hydraulic oil pump and hydraulic actuating cylinder, and tween drive spindle is three.In other embodiment of the present utility model, jacking system also can be selected other forms for use, the screw-nut body that is constituted by servomotor and feed screw nut for example, mobile being assembled on the vehicle frame and with nut of fixed mount guiding is connected on the fixed mount, leading screw is by the servomotor driven rotary, thereby drive the leading screw up-and-down movement, finally realize the adjustment up and down of fixed mount; And the radical of tween drive spindle also can increase and decrease according to actual conditions.
Claims (9)
1. midship mounting device, comprise power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, it is characterized in that: also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
2. midship mounting device according to claim 1, it is characterized in that: described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.
3. midship mounting device according to claim 1 and 2 is characterized in that: thus described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.
4. rear-axle drive system, comprise the midship mounting device, described midship mounting device comprises power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, it is characterized in that: also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
5. rear-axle drive according to claim 4 system, it is characterized in that: described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.
6. according to claim 4 or 5 described rear-axle drive systems, it is characterized in that: thus described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.
7. vehicle, comprise the midship mounting device, described midship mounting device comprises power input shaft, tween drive spindle, main driving axle, power take-off shaft and with the bracing frame of tween drive spindle normal-running fit, described tween drive spindle, there is equivalent angle in the relative power input shaft with power take-off shaft of main driving axle, it is characterized in that: also comprise real-time regulating apparatus, described real-time regulating apparatus comprises being arranged on the support frame as described above and is used for driving support frame as described above produces vertical displacement with respect to vehicle frame lifting mechanism, be used for detecting in real time the back axle of vehicle and the displacement pickup of the relative shift between the vehicle frame, and the lifting amount that is connected on the described displacement pickup and controls according to described relative shift described jacking system remains on controller in the setting range to regulate described equivalent angle.
8. a kind of vehicle according to claim 7, it is characterized in that: described midship mounting device comprises plural tween drive spindle, described controller comprise for the judge module of the road conditions of judging vehicle according to the rangeability of described relative shift and load working condition and can according to the judged result that described relative shift and judge module draw calculate each tween drive spindle equivalent angle angle value and distribute and control the vertical displacement amount of each described midship mounting so that the equivalent angle of each tween drive spindle reaches the optimization module of described angle value.
9. according to claim 7 or 8 described a kind of vehicles, it is characterized in that: thus described lifting mechanism comprises being connected in when using and is used for driving the hydraulic actuating cylinder of support frame as described above dipping and heaving on the vehicle frame and links to each other with described hydraulic actuating cylinder and described controller and the lifting amount of described hydraulic actuating cylinder is controlled in oil suction or oil extraction under the control of described controller hydraulic oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058646 CN203157717U (en) | 2013-02-02 | 2013-02-02 | Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320058646 CN203157717U (en) | 2013-02-02 | 2013-02-02 | Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157717U true CN203157717U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320058646 Expired - Fee Related CN203157717U (en) | 2013-02-02 | 2013-02-02 | Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157717U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237909A (en) * | 2016-12-27 | 2018-07-03 | 郑州宇通客车股份有限公司 | Transmission shaft intermediate supports and the vehicle using the intermediate supports |
| CN112464383A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Transmission shaft structure, adjusting method thereof, automobile and storage medium |
| CN114771244A (en) * | 2022-04-20 | 2022-07-22 | 中国重汽集团济南动力有限公司 | Adjusting method and adjusting device for transmission shaft intermediate support |
-
2013
- 2013-02-02 CN CN 201320058646 patent/CN203157717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237909A (en) * | 2016-12-27 | 2018-07-03 | 郑州宇通客车股份有限公司 | Transmission shaft intermediate supports and the vehicle using the intermediate supports |
| CN108237909B (en) * | 2016-12-27 | 2023-08-18 | 宇通客车股份有限公司 | Transmission shaft intermediate support and vehicle using same |
| CN112464383A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Transmission shaft structure, adjusting method thereof, automobile and storage medium |
| CN114771244A (en) * | 2022-04-20 | 2022-07-22 | 中国重汽集团济南动力有限公司 | Adjusting method and adjusting device for transmission shaft intermediate support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |