The content of the invention
One purpose of the disclosure is to provide a kind of device for steering wheel centering, and the device can aid in steering wheel
Accurate centering is attached on steering column.
Another object of the present disclosure is to provide a kind of equipment for steering wheel centering, and the equipment being capable of the side of realization automatically
It is assembled to the precise alignment of disk on steering column.
To achieve these goals, the disclosure provides a kind of device for steering wheel centering, including support, is installed to this
Rotary electric machine and marking device on support, the deflecting roller of steering have the first limit deflected position, put on right position
With the second limit deflected position, the output shaft of the rotary electric machine is used to be connected with the transmission of the steering column of the steering,
To drive the deflecting roller back and forth to be turned between first limit deflected position and the second limit deflected position, the mark
Note device is used to stamp adjustment notch to the steering column when the deflecting roller is located at and put on right position.
Alternatively, the steering wheel centering device also includes train of reduction gears, the input shaft of the train of reduction gears with it is described
The output shaft transmission of rotary electric machine is connected, and the output shaft of the train of reduction gears is used to be connected with steering column transmission.
Alternatively, the steering wheel centering device also includes branch sleeve, and the branch sleeve is sheathed on the reduction gearing
The outside of the output shaft of group is simultaneously spaced apart with the output shaft of the train of reduction gears, and the branch sleeve is used for and the steering tube
Post transmission is connected, and the marking device is arranged in the branch sleeve with being reciprocally moveable.
Alternatively, the steering wheel centering device also includes switching sleeve, and one end of the switching sleeve is removably installed
Onto the branch sleeve, the other end is used to be connected with the steering column spline.
Alternatively, the steering wheel centering device also includes the drive cylinder in the branch sleeve, the mark
Remember that device is fixed on the telescopic end of the piston rod of the drive cylinder.
Alternatively, the support is included for installation into the base on vehicle body, and is connected to the base and described turn
Antitorque arm between dynamic motor.
Alternatively, the base is used in the seat mounting hole for the bottom plate of driving cab for being plugged into the vehicle body.
Alternatively, the base is formed as I-shaped framework, and four ends of the I-shaped framework have latch respectively, with
For being plugged into the seat mounting hole of the bottom plate of driving cab.
According to the second aspect of the disclosure, there is provided a kind of equipment for steering wheel centering, the equipment carry including the disclosure
The device for steering wheel centering supplied;Rotation angle detecting apparatus, for detecting the steering angle of the deflecting roller;
Deflecting roller extreme position detection means, for detecting the first limit deflected position when deflecting roller turns to and the
Two limit deflected positions;
Controller, electrically connect, be used for the rotation angle detecting apparatus and the deflecting roller extreme position detection means respectively:
The rotary electric machine is controlled to drive the deflecting roller to be diverted to first limit deflected position along forward direction;
When the deflecting roller is diverted to first limit deflected position, the rotation angle detecting apparatus is controlled to reset;
The rotary electric machine is controlled to drive the deflecting roller along counter steering to second limit deflected position;
When the deflecting roller is diverted to second limit deflected position, turning for the rotation angle detecting apparatus detection is obtained
To angle value A;
Control the rotary electric machine drive the deflecting roller along forward direction be diverted to it is described put on right position, wherein, at described turn
When being diverted to described put on right position to wheel, the steering angle value of the rotation angle detecting apparatus detection is A/2;
When the deflecting roller is diverted to described put on right position, the marking device is controlled to stamp the steering column
The adjustment notch.
Alternatively, the rotary electric machine is the direct current generator of built-in angle-position encoder, described in the angle-position encoder conduct
Rotation angle detecting apparatus, the deflecting roller extreme position detection means are for the electric current for the operating current for detecting the direct current generator
Detector.
Pass through above-mentioned technical proposal, rotary electric machine can be caused to drive deflecting roller to be diverted to the from the first limit deflected position
Two limit deflected positions, and deflecting roller is A from the first limit deflected position to the anglec of rotation of the second limit deflected position, then
Rotary electric machine driving deflecting roller is turned to from the second limit deflected position and put on right position, and deflecting roller is from the second limit deflected position
It is A/2 to the anglec of rotation put on right position, you can obtain the center position of steering column;Then by marking device to turning to
The center position of tubing string is marked, and subsequent job personnel are according to the mark installment steering wheel, you can ensure the correct of steering wheel
Installation.In this way, the assembly precision and efficiency of steering wheel are not only improved, but also turning machine, steering column, pair can be eliminated
Vehicle frame, instrument beam and bodywork system process additionally may be used because of welding, machining, deformation, cooperation deviation caused by manufacturing process
When the steering wheel for avoiding dismounting from being installed in a manner of gluing bolt or angle method fasten, the chief engineer of the assembling of shortening, save
Manpower and manufacturing cost.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making opposite explanation, the noun of locality such as " inside and outside " used refers to corresponding component wheel
Wide is inner and outer.
As shown in Figure 1 to Figure 3, the disclosure provides a kind of device for steering wheel centering, and the device can include support
10th, the rotary electric machine 20 and marking device 30 being installed on the support 10, the deflecting roller of steering have first limit
Deflected position, put on right position and the second limit deflected position, the output shaft of rotary electric machine 20 is used for the steering tube with steering
Post transmission is connected, to drive deflecting roller back and forth to be turned between the first limit deflected position and the second limit deflected position, mark
Note device 30 is used to stamp adjustment notch to steering column when deflecting roller is located at and put on right position.
So, rotary electric machine 20 can be caused to drive deflecting roller to be diverted to the second limit deflection from the first limit deflected position
Position, and deflecting roller is A from the first limit deflected position to the anglec of rotation of the second limit deflected position, subsequent rotary electric machine drives
Dynamic deflecting roller turns to from the second limit deflected position puts on right position, and deflecting roller is from the second limit deflected position to putting on right position
The anglec of rotation be A/2, you can obtain the center position of steering column;Then pair by marking device 30 to steering column
Middle position is marked, and subsequent job personnel are according to the mark installment steering wheel, you can ensures the correct installation of steering wheel.With this
Mode, not only improves the assembly precision and efficiency of steering wheel, but also can eliminate turning machine, steering column, subframe, instrument
Crossbeam and bodywork system process can additionally avoid tearing open because of welding, machining, deformation, cooperation deviation caused by manufacturing process
Unload the steering wheel installed in a manner of gluing bolt or angle method fasten, during the chief engineer of the assembling of shortening, save manpower and
Manufacturing cost.
Wherein, what marking device 30 was well known to those skilled in the art is used for the device to workpiece progress marking,
The disclosure is not repeated this, is belonged among the protection domain of the disclosure.
Moment of torsion caused by steering rotation is driven to keep out rotary electric machine 20, as shown in Fig. 2 support 10 can include
For installation into the base 11 on vehicle body, and the antitorque arm 12 being connected between base 11 and rotary electric machine 20.In this way,
When rotary electric machine 20 rotates, antitorque arm 12 can stably support rotating motor 20, ensure the normal work of rotary electric machine 20.
It should be noted that antitorque arm 12 herein can be any desired configuration, the antitorque structure of any suitable material,
For example, the antitorque arm 12 can be made up of aluminium section bar.In addition, the minimum torsional strength of the antitorque structure have to be larger than particular value,
The particular value can act on the torque capacity of rotary electric machine 20 to determine according to steering in steering procedure, i.e. can be with
When being in the first limit deflected position and the second limit deflected position according to deflecting roller, steering acts on rotary electric machine 20
Maximum torque value determines.
To carry out the installation of support 10 by the existing part of vehicle body, base 11 is used for the bottom plate of driving cab for being plugged into vehicle body
In seat mounting hole.So, by that dexterously by the original seat mounting hole of vehicle body, can avoid opening up volume on vehicle body
The outer mounting structure for being used to match support 10, so as to be conveniently used for the fixed installation of the device of steering wheel centering.
To ensure that base 11 is stably fixed on bottom plate of driving cab, as shown in Fig. 2 base 11 is formed as I-shaped framework,
Four ends of the I-shaped framework have latch 110 respectively, for being plugged into the seat mounting hole of bottom plate of driving cab.This
Outside, the I-shaped framework can also be quickly and easily fixed on vehicle body by latch 110.
Further, to ensure that base 11 is more firmly installed on bottom plate of driving cab, as shown in figure 3, above-mentioned four
The upper and lower end face of individual end can be respectively arranged with boss 111.
To realize that the deceleration to rotary electric machine 20 increases square effect, steering wheel centering device also includes train of reduction gears, and this subtracts
The input shaft of fast gear train is connected with the output shaft transmission of rotary electric machine 20, and the output shaft of the train of reduction gears is used for and steering tube
Post transmission is connected.So, via the transmission of train of reduction gears, the torsion come from the output shaft transmission of rotary electric machine 20 can be amplified
Square, so as to reduce the output power demand to rotary electric machine 20.
For convenience of the connection with steering column, as shown in figure 1, steering wheel centering device also includes branch sleeve 21, the company
Female connector cylinder 21 is sheathed on the outside of the output shaft of train of reduction gears and is spaced apart with the output shaft of train of reduction gears, branch sleeve 21
For being connected with steering column transmission, marking device 30 is arranged in branch sleeve 21 with being reciprocally moveable.In this way, when
When steering column is located at center position, marking device 30 can stretch out towards the side of steering column, and carry out marking behaviour
Make;When steering column is not located at center position, the side that marking device 30 can face away from steering column is retracted, from
And avoid producing interference with the miscellaneous part on periphery.
The installation of the various sizes of steering column of different automobile types can be matched for convenience of the device for being used for steering wheel centering,
As shown in Figure 1, Figure 4 and Figure 5, steering wheel centering device also includes switching sleeve 40, and one end of the switching sleeve 40 is removably
It is installed on branch sleeve 21, the other end is used to be connected with steering column spline.So, the He of branch sleeve 21 can not only be ensured
Steering column is reliably connected, additionally it is possible to according to the switching sleeve 40 of the appropriate size of size selection of current vehicle steering column with
Match the vehicle.
Switching sleeve 40 can be releasably attached on branch sleeve 21 in any suitable manner, for example, the switching
Sleeve 40 with grafting or can be snapped fit onto on the branch sleeve 21.In a kind of exemplary embodiment, as shown in figure 4, this turn
The end face towards branch sleeve 21 of female connector cylinder 40 formed with annular groove 41, the end face of the branch sleeve 21 formed with the ring
The annular flange that the shape of connected in star 41 matches, and be also connected with the switching sleeve 40 by compression spring 43 and protrude from annular
The decorative pearl on top of an official cap 42 of the side wall of groove 41.In this way, not only annular flange can be caused to be quickly inserted into annular groove 41, and
And annular flange can also be tightly engaged under compression spring 43 and the extruding force of the decorative pearl on top of an official cap 42, ensure switching sleeve 40 and adapter sleeve
The assembly reliability of both cylinders 21.
Marking device 30 can in many ways realize and reciprocatingly be arranged in branch sleeve 21, for save into
This, steering wheel centering device also includes the drive cylinder in branch sleeve 40, and marking device 30 is fixed to the driving gas
On the telescopic end of the piston rod of cylinder.
A kind of equipment for steering wheel centering is also claimed in the disclosure, and the equipment can include:
The device for steering wheel centering being described in detail above;
Rotation angle detecting apparatus, for detecting the steering angle of deflecting roller;
Deflecting roller extreme position detection means, for detecting the first limit deflected position and the second pole when deflecting roller turns to
Limit deflected position;
Controller, electrically connect, be used for rotation angle detecting apparatus and deflecting roller extreme position detection means respectively:
Control rotary electric machine 20 drives deflecting roller to be diverted to the first limit deflected position along forward direction;
When deflecting roller is diverted to the first limit deflected position, control rotation angle detecting apparatus is reset;
Rotary electric machine 20 is controlled to drive deflecting roller along counter steering to the second limit deflected position;
When deflecting roller is diverted to the second limit deflected position, the steering angle value A of rotation angle detecting apparatus detection is obtained;
Control rotary electric machine 20 drives deflecting roller to be diverted to along forward direction and put on right position, wherein, it is diverted to and ajusts in deflecting roller
During position, the steering angle value of rotation angle detecting apparatus detection is A/2;
When deflecting roller is diverted to and put on right position, control marking device 30 stamps adjustment notch to steering column.
Therefore, can ensure to avoid the shadow by human factor automatically and installation direction disk exactly by the said equipment
Ring, improve the installation effectiveness of steering wheel.
Rotation angle detecting apparatus and deflecting roller extreme position detection means can be accomplished in several ways, for example, corner is examined
Surveying device can be realized by angular transducer, and deflecting roller extreme position detection means can be by position sensor come real
It is existing.To simplify the structure of equipment and ensureing the precision of detection, in one embodiment, rotary electric machine 20 is that built-in corner encodes
The direct current generator of device, for angle-position encoder as rotation angle detecting apparatus, deflecting roller extreme position detection means is for detecting direct current
The current detector of the operating current of motor.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.