Zero positioning for sensor
A sensor and component technology, applied in the direction of instruments, measuring instrument components, mechanical equipment, etc., can solve problems such as high cost and inability to realize ball pin positioning
Inactive Publication Date: 2011-07-27
ZF FRIEDRICHSHAFEN AG
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- Abstract
- Description
- Claims
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Problems solved by technology
However, a clear (eindeutig) positioning of the ball pin cannot thus be achieved for determining the zero position for the sensor, because the oval part of the ball pin can be arranged at least in the elongated hole provided for its insertion. In two different positions offset by 180° from each other
Method used
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Embodiment Construction
[0019] figure 1A possible embodiment of the assembly according to the invention is shown in a cross-sectional illustration. For example, this embodiment is designed as an integral part of the chassis of a motor vehicle, wherein a transverse control rod of the chassis is mounted via ball joints 1 , 2 , 3 on the hub carrier. The assembly comprises a bearing bushing (Lagerschale) 1 which is arranged in and rigidly connected to a part 10 of it (ie a lateral control rod of a system or chassis equipped with a ball joint) and Ball pins 2 , 3 constructed in a substantially known manner, with the use of a washer 7 constructed according to the invention, with which the ball pins 2 , 3 face away from the bearing bush or are in engagement with this bearing bush The side of the joint bulb is screwed to the second part 11 of the system, eg the hub bracket. In this case, the ball pins 2 , 3 pass through mounting holes 5 formed on the hub carrier by means of steel inserts. A permanent magn...
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The present invention relates to an arrangement for defining a zero position for a sensor (8, 9) which serves for measuring deflection movements of parts (10, 11) of a technical system which are connected to one another by a ball joint (1, 2, 3). The arrangement is composed of a joint housing (1), which is rigidly connected to a first part (10) of the system, of the ball joint (1, 2, 3), a ball pin (2, 3) which is rigidly connected to a second part (11) of the system, and the sensor (8, 9) which measures the deflection movements of the joint pin (2, 3) and which has at least two mutually complementary sensor elements, of which one is arranged on the joint pin (2, 3) and one is arranged on a part (10) of the system which is immovable relative to the joint housing (1). The lateral surface, which otherwise has a circular cross section, of the ball pin (2, 3) is flattened in an axial region (6) which is placed into positively locking engagement with a correspondingly formed inner contour of a mounting lug (5), through which the ball pin (2, 3) extends for the purpose of fastening the latter, or of a disc-shaped element (7), wherein in the latter case, the disc-shaped element (7) bears against the mounting lug (5) and is in turn fixed in the circumferential direction by means of positively locking engagement of the outer contour thereof with the part (11) which is connected to the ball pin (2, 3).
Description
technical field [0001] The invention relates to an assembly with a sensor, which is designed for determining the zero position of a relevant sensor for detecting an offset movement and for positioning the sensor in this zero position. The invention relates to an assembly by means of which an offset is obtained at a ball joint used as a component of an engineering system, preferably a component of a motor vehicle chassis support. Background technique [0002] In many cases, ball joints are used at the chassis of motor vehicles at parts that are movable relative to each other. Ball joints of this type consist of a ball pin whose ball is movable in multiple directions in the joint housing or joint housing. A corresponding ball pin is an at least approximately axisymmetric component consisting of a substantially cylindrical pin configured at one end with a ball provided for receiving in a joint housing. The end of the pin opposite the bulb is generally provided with a thread ...
Claims
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IPC IPC(8): F16C11/06H10N52/00H10N50/10
CPCF16C41/00F16C11/0604F16C11/06G01D11/30
Inventor J·施普拉特H·赫普纳K·克拉姆普夫
Owner ZF FRIEDRICHSHAFEN AG