Adjusting method and adjusting device for transmission shaft intermediate support

Abstract

The invention discloses an adjusting method and device for a transmission shaft intermediate support, and the method comprises the steps: obtaining the up-down displacement of a rear drive axle, and converting the up-down displacement into a point coordinate on an input axis, a point coordinate on an output axis, a central point coordinate of a cross shaft of each universal joint, and an included angle between a plane of a driving fork of each universal joint and a vertical plane of an axis of a driving shaft; calculating the equivalent included angle of the current transmission shaft by using a formula; according to the set variable, the z-direction coordinate value in the transmission shaft intermediate support center point coordinate is changed for multiple times, and the changed transmission shaft system equivalent included angle is determined one by one according to the set variable; comparing a plurality of transmission shaft system equivalent included angles, and determining an optimal z-direction coordinate value; and adjusting the current position of the intermediate support of the transmission shaft according to the optimal z-direction coordinate value. The adjusting device comprises a hydraulic lifting module, a displacement sensor and a control module. According to the invention, the accuracy and flexibility of transmission shaft equivalent included angle adjustment control can be improved.

Description

technical field

[0001] The present application relates to the technical field of transmission shafts of commercial vehicle chassis, and in particular, to an adjustment method and an adjustment device for the intermediate support of the transmission shaft. Background technique

[0002] In the field of commercial vehicle chassis drive shaft technology, the cross shaft universal joint is widely used because of its high reliability and low cost. In a drive shaft including a universal joint, the parameter for comprehensive evaluation of the drive shaft arrangement is the equivalent angle. When the equivalent angle of universal joint transmission is not zero, the rotational speed of the drive shaft will fluctuate, and at the same time, the bending moment of the fluctuating attachment will be generated on the drive shaft. The fluctuation of rotational speed will cause the gear tooth impact and noise of the transmission system, thus affecting the reliability of the transmission sha...

Examples

Embodiment 1

[0056] see figure 1 , figure 1 This is a schematic flowchart of an adjustment method for an intermediate support of a transmission shaft provided by an embodiment of the present application. Depend on figure 1 It can be seen that the adjustment method for the intermediate support of the transmission shaft in this embodiment mainly includes the following processes:

[0057] S1: Define the power transmission direction of the drive shaft of the commercial vehicle chassis as the x-axis direction, and a drive shaft system is composed of n drive shafts. Any universal joint is formed by the driving shaft and the corresponding driven shaft. The driving shaft is universal The plane where the yoke is located is B i , the plane of the driven shaft universal joint fork is B i+1 , the vertical plane of the drive shaft axis is A i , the vertical plane of the driven shaft axis is A i+1 , the center coordinate of each universal joint cross axis is (x i , y i ,z i ), each universal jo...

Embodiment 2

[0077] exist figure 1 and figure 2 On the basis of the embodiment shown, see image 3 , image 3 This is a schematic structural diagram of an adjusting device for intermediate support of a transmission shaft provided in an embodiment of the present application. Depend on image 3 It can be known that the adjusting device used for the intermediate support of the transmission shaft in this embodiment mainly includes a hydraulic lifting module, a displacement sensor and a control module. The adjusting device in this embodiment is applied to the drive shaft of a commercial vehicle chassis.

[0078] Among them, the displacement sensor is used to measure the up and down displacement of the rear drive axle, and convert the displacement into the coordinates of the points on the input axis, the coordinates of the points on the output axis, the coordinates of the center point of the cross shafts of each universal joint, and the plane of the active fork of each universal joint. The...

technical field

[0001] The present application relates to the technical field of transmission shafts of commercial vehicle chassis, and in particular, to an adjustment method and an adjustment device for the intermediate support of the transmission shaft. Background technique

[0002] In the field of commercial vehicle chassis drive shaft technology, the cross shaft universal joint is widely used because of its high reliability and low cost. In a drive shaft including a universal joint, the parameter for comprehensive evaluation of the drive shaft arrangement is the equivalent angle. When the equivalent angle of universal joint transmission is not zero, the rotational speed of the drive shaft will fluctuate, and at the same time, the bending moment of the fluctuating attachment will be generated on the drive shaft. The fluctuation of rotational speed will cause the gear tooth impact and noise of the transmission system, thus affecting the reliability of the transmission sha...

Examples

Embodiment 1

[0056] see figure 1 , figure 1 This is a schematic flowchart of an adjustment method for an intermediate support of a transmission shaft provided by an embodiment of the present application. Depend on figure 1 It can be seen that the adjustment method for the intermediate support of the transmission shaft in this embodiment mainly includes the following processes:

[0057] S1: Define the power transmission direction of the drive shaft of the commercial vehicle chassis as the x-axis direction, and a drive shaft system is composed of n drive shafts. Any universal joint is formed by the driving shaft and the corresponding driven shaft. The driving shaft is universal The plane where the yoke is located is B i , the plane of the driven shaft universal joint fork is B i+1 , the vertical plane of the drive shaft axis is A i , the vertical plane of the driven shaft axis is A i+1 , the center coordinate of each universal joint cross axis is (x i , y i ,z i ), each universal jo...

Embodiment 2

[0077] exist figure 1 and figure 2 On the basis of the embodiment shown, see image 3 , image 3 This is a schematic structural diagram of an adjusting device for intermediate support of a transmission shaft provided in an embodiment of the present application. Depend on image 3 It can be known that the adjusting device used for the intermediate support of the transmission shaft in this embodiment mainly includes a hydraulic lifting module, a displacement sensor and a control module. The adjusting device in this embodiment is applied to the drive shaft of a commercial vehicle chassis.

[0078] Among them, the displacement sensor is used to measure the up and down displacement of the rear drive axle, and convert the displacement into the coordinates of the points on the input axis, the coordinates of the points on the output axis, the coordinates of the center point of the cross shafts of each universal joint, and the plane of the active fork of each universal joint. The...

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