Summary of the invention
One purpose of the disclosure is to provide a kind of device for steering wheel centering, which can assist steering wheel
Accurate centering is installed to steering column.
Another object of the present disclosure is to provide a kind of equipment for steering wheel centering, which being capable of the side of realization automatically
It is assembled on steering column to the precise alignment of disk.
To achieve the goals above, the disclosure provides a kind of device for steering wheel centering, including bracket, is installed to this
Rotary electric machine and marking device on bracket, the deflecting roller of steering system 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 system,
To drive the deflecting roller back and forth to turn 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 puts on right position.
Optionally, the device for steering wheel centering further includes train of reduction gears, the input shaft of the train of reduction gears
It is connected with the transmission of the output shaft of the rotary electric machine, the output shaft of the train of reduction gears is used to be driven with the steering column
It is connected.
Optionally, the device for steering wheel centering further includes connection sleeve, which is sheathed on described subtract
The outside of the output shaft of fast gear set is simultaneously spaced apart with the output shaft of the train of reduction gears, the connection sleeve be used for it is described
Steering column transmission is connected, and the marking device is set in the connection sleeve with being reciprocally moveable.
Optionally, the device for steering wheel centering further includes switching sleeve, and one end of the switching sleeve is detachable
Ground is installed on the connection sleeve, and the other end with the steering column spline for connecting.
Optionally, the device for steering wheel centering further includes the driving cylinder in the connection sleeve, institute
It states on telescopic end of the marking device fixed to the piston rod of the driving cylinder.
Optionally, the bracket includes and being connected to the pedestal and described turn for installation into the pedestal on vehicle body
Antitorque arm between dynamic motor.
Optionally, in the seat mounting hole for the bottom plate of driving cab that the pedestal is used to be plugged into the vehicle body.
Optionally, the pedestal is formed as I-shaped frame, and four ends of the I-shaped frame are respectively provided with bolt, with
For being plugged into the seat mounting hole of the bottom plate of driving cab.
According to the second aspect of the disclosure, a kind of equipment for steering wheel centering is provided, which includes that the disclosure mentions
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 device, for detecting the first limit deflected position and the when the deflecting roller turns to
Two limit deflected positions;
Controller is electrically connected with the rotation angle detecting apparatus and the deflecting roller extreme position detection device respectively, is used for:
Controlling the rotary electric machine drives 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, controls the rotation angle detecting apparatus and reset;
Controlling the rotary electric machine drives 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
It is A to angle;
Controlling the rotary electric machine drives the deflecting roller to be diverted to described put on right position along forward direction, wherein at described turn
When being diverted to described put on right position to wheel, the steering angle of the rotation angle detecting apparatus detection is A/2;
When the deflecting roller is diverted to described put on right position, controls the marking device and the steering column is stamped
The adjustment notch.
Optionally, 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 device are the electric current for detecting the operating current of the direct current generator
Detector.
Through the above technical solutions, can make rotary electric machine that deflecting roller be driven 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 steering angle of the second limit deflected position, then
Rotary electric machine driving deflecting roller is turned to from the second limit deflected position and is put on right position, and deflecting roller is from the second limit deflected position
It is A/2 to the steering angle put on right position, the center position of steering column can be obtained;Then by marking device to steering
The center position of tubing string is marked, and subsequent job personnel can guarantee the correct of steering wheel according to the mark installment steering wheel
Installation.By this method, the assembly precision and efficiency of steering wheel are not only improved, but also turning machine, steering column, pair can be eliminated
Welding that vehicle frame, instrument beam and bodywork system process are generated by manufacturing process, machining, deformation, cooperation deviation, additionally may be used
To avoid the steering wheel that disassembly is installed in such a way that gluing bolt or angle method fasten, when the chief engineer of the assembly of shortening, save
Manpower and manufacturing cost.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " inside and outside " 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 apparatus may include brackets
10, the deflecting roller of the rotary electric machine 20 and marking device 30 being installed on the bracket 10, steering system has first limit
Deflected position is put on right position and the second limit deflected position, and the output shaft of rotary electric machine 20 is for the steering tube with steering system
Column transmission is connected, to drive deflecting roller back and forth to turn 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 puts on right position.
In this way, can make rotary electric machine 20 that deflecting roller be driven 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 steering angle of the second limit deflected position, subsequent rotary electric machine drives
Dynamic deflecting roller is turned 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
Steering angle be A/2, the center position of steering column can be obtained;Then by marking device 30 to pair of steering column
Middle position is marked, and subsequent job personnel can guarantee the correct installation of steering wheel according to the mark installment 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
Welding that crossbeam and bodywork system process are generated by manufacturing process, machining, deformation, cooperation deviation, additionally can be to avoid tearing open
Unload the steering wheel installed in such a way that gluing bolt or angle method fasten, when the chief engineer of the assembly of shortening, save manpower and
Manufacturing cost.
Wherein, what marking device 30 was well known to those skilled in the art is used to carry out workpiece the device of marking,
The disclosure does not repeat this, belongs among the protection scope of the disclosure.
The torque generated when steering system rotation is driven to keep out rotary electric machine 20, as shown in Fig. 2, bracket 10 may include
For installation into the pedestal 11 on vehicle body, and the antitorque arm 12 being connected between pedestal 11 and rotary electric machine 20.By this method,
When rotary electric machine 20 rotates, antitorque arm 12 can steadily support rotating motor 20, guarantee the normal work of rotary electric machine 20.
It should be noted that antitorque arm 12 herein can be any desired configuration, the torsional structure of any suitable material,
For example, the antitorque arm 12 can be made of aluminum profile.In addition, the minimum torsional strength of the torsional structure has to be larger than particular value,
The particular value can act on the torque capacity of rotary electric machine 20 according to steering system to determine in steering procedure, that is, can be with
When being in the first limit deflected position and the second limit deflected position according to deflecting roller, steering system acts on rotary electric machine 20
Maximum torque value determines.
For the installation for carrying out bracket 10 by the existing component of vehicle body, pedestal 11 is used to be plugged into the bottom plate of driving cab of vehicle body
In seat mounting hole.In this way, by can be avoided and open up volume on vehicle body dexterously by the original seat mounting hole of vehicle body
The outer mounting structure for being used to match bracket 10, to be conveniently used for the fixed installation of the device of steering wheel centering.
To guarantee that pedestal 11 is stably fixed on bottom plate of driving cab, as shown in Fig. 2, pedestal 11 is formed as I-shaped frame,
Four ends of the I-shaped frame are respectively provided with bolt 110, for being plugged into the seat mounting hole of bottom plate of driving cab.This
Outside, which can also be quickly and easily fixed on vehicle body by bolt 110.
Further, to guarantee that pedestal 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 a end can be respectively arranged with reinforcement block 111.
To realize that the deceleration to rotary electric machine 20 increases square effect, the device for steering wheel centering further includes reduction gearing
The input shaft of group, the train of reduction gears is connected with the transmission of the output shaft of rotary electric machine 20, and the output shaft of the train of reduction gears is used for
It is connected with steering column transmission.In this way, can amplify and be transmitted from the output shaft of rotary electric machine 20 via the transmission of train of reduction gears
The torque come, 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, the device for steering wheel centering further includes connection sleeve
21, which 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, even
Female connector cylinder 21 is used to be connected with steering column transmission, and marking device 30 is set in connection sleeve 21 with being reciprocally moveable.With
This mode, when steering column is located at center position, marking device 30 can be stretched out towards the side of steering column, and be carried out
Marking operation;When steering column is not located at center position, marking device 30 can face away from the one of steering column
Side retracts, to avoid generating interference with the other component on periphery.
The installation of the various sizes of steering column of different automobile types can be matched for convenience of the device for steering wheel centering,
It as shown in Figure 1, Figure 4 and Figure 5, further include switching sleeve 40 for the device of steering wheel centering, one end of the switching sleeve 40 can
It is releasably installed on connection sleeve 21, the other end with steering column spline for connecting.In this way, can not only guarantee connector sleeve
Cylinder 21 and steering column are reliably connected, additionally it is possible to according to the reducing sleeve of the appropriate size of size selection of current vehicle steering column
Cylinder 40 is to match the vehicle.
Switching sleeve 40 can be releasably attached in any suitable manner on connection sleeve 21, for example, the switching
Sleeve 40 with grafting or can snap fit on the connection sleeve 21.In a kind of illustrative embodiment, as shown in figure 4, this turn
The end face towards connection sleeve 21 of female connector cylinder 40 is formed with annular groove 41, and the end face of the connection sleeve 21 is formed with and the ring
The annular flange that 41 shape of connected in star matches, and be also connected with by compressed spring 43 in the switching sleeve 40 and protrude from annular
The decorative pearl on top of an official cap 42 of the side wall of groove 41.By this method, not only annular flange can be made to be quickly inserted into annular groove 41, and
And annular flange can also be tightly engaged under compressed spring 43 and the extruding force of the decorative pearl on top of an official cap 42, guarantee switching sleeve 40 and connector sleeve
The assembly reliability of both cylinders 21.
Marking device 30 can realize in many ways is reciprocatingly set to connection sleeve 21 in, for save at
This, the device for steering wheel centering further includes the driving cylinder in connection sleeve 21, and marking device 30 is fixed to should
On the telescopic end for driving the piston rod of cylinder.
A kind of equipment for steering wheel centering is also claimed in the disclosure, which may 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 device, for detecting the first limit deflected position and the second pole when deflecting roller turns to
Limit deflected position;
Controller is electrically connected with rotation angle detecting apparatus and deflecting roller extreme position detection device respectively, is used for:
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;
Controlling rotary electric machine 20 drives 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 for obtaining rotation angle detecting apparatus detection is A;
Control rotary electric machine 20 drives deflecting roller to be diverted to along forward direction and puts on right position, wherein is diverted to and ajusts in deflecting roller
When position, the steering angle of rotation angle detecting apparatus detection is A/2;
When deflecting roller is diverted to and puts on right position, control marking device 30 stamps adjustment notch to steering column.
Therefore, accurately installation direction disk can be guaranteed automatically by above equipment, avoids the shadow by human factor
It rings, improves the installation effectiveness of steering wheel.
Rotation angle detecting apparatus and deflecting roller extreme position detection device 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 device can be by position sensor come real
It is existing.To simplify the structure of equipment and guaranteeing the precision of detection, in one embodiment, rotary electric machine 20 is built-in corner coding
The direct current generator of device, for angle-position encoder as rotation angle detecting apparatus, deflecting roller extreme position detection device is for detecting direct current
The current detector of the operating current of motor.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, 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 solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.