CN109501861B - Steering gear input shaft rotating angle measuring device - Google Patents
Steering gear input shaft rotating angle measuring device Download PDFInfo
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- CN109501861B CN109501861B CN201811573599.2A CN201811573599A CN109501861B CN 109501861 B CN109501861 B CN 109501861B CN 201811573599 A CN201811573599 A CN 201811573599A CN 109501861 B CN109501861 B CN 109501861B
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- wall
- shaft sleeve
- input shaft
- circular
- scale disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
- B62D15/0225—Determination of steering angle by measuring on a steering gear element, e.g. on a rack bar
Abstract
The invention relates to the technical field of automobile steering gear input shaft angle measuring equipment, in particular to a steering gear input shaft angle measuring device; the steering gear input shaft penetrating hole is arranged in the circular shaft sleeve; a corner scale disc is concentrically arranged outside the circular shaft sleeve, and an annular scale surface is arranged on the upper end surface of the corner scale disc; the corner scale disc is rotatably sleeved outside the circular shaft sleeve; the corner scale disc is connected with the round shaft sleeve through a rotary limiting connecting mechanism; the outer wall of the circular shaft sleeve is provided with an angle pointer corresponding to the annular scale surface; the technical problem that the rotation angle of the input shaft of the steering gear cannot be measured and the transmission ratio of the input shaft of the steering gear cannot be accurately measured in the prior art is solved through the design of the device for measuring the rotation angle of the input shaft of the steering gear.
Description
Technical Field
The invention relates to the technical field of automobile steering gear input shaft angle measuring equipment, in particular to a steering gear input shaft rotating angle measuring device.
Background
In the benchmarking stage, a benchmarking model is usually found and then is gradually analyzed and decomposed, so that the parameters of the model to be made are determined, and a new technology of the automobile industry is researched.
However, for the steering gear input shaft, there is no device for measuring the steering gear input shaft angle, so it is difficult to obtain accurate angle data, and further it is impossible to measure the accurate transmission ratio, which brings a certain trouble to the calibration work.
Therefore, in view of the above problems, it is desirable to provide a steering gear input shaft rotation angle measuring device.
Disclosure of Invention
The invention aims to provide a steering gear input shaft rotating angle measuring device, which solves the technical problems that the rotating angle of a steering gear input shaft cannot be measured and the transmission ratio of the steering gear input shaft cannot be accurately measured in the prior art through the design of the steering gear input shaft rotating angle measuring device.
The invention provides a device for measuring the rotating angle of an input shaft of a steering gear, which comprises a circular shaft sleeve, wherein a penetrating hole for penetrating and installing the input shaft of the steering gear is formed in the circular shaft sleeve; a corner scale disc is concentrically arranged outside the circular shaft sleeve, and an annular scale surface is arranged on the upper end surface of the corner scale disc; the corner scale disc is rotatably sleeved outside the circular shaft sleeve; the corner scale disc is connected with the round shaft sleeve through a rotary limiting connecting mechanism; the outer wall of the circular shaft sleeve is provided with an angle pointer corresponding to the annular scale surface.
Preferably, the circumference of the inner wall of the through hole is provided with a spline groove used for tightly matching with a spline on the outer wall of the steering gear input shaft, the circular shaft sleeve extends towards the upper part of the corner scale disc, and a plurality of convex columns are uniformly distributed on the outer wall of the circular shaft sleeve above the corner scale disc at intervals in the circumferential direction.
Preferably, six convex columns are uniformly distributed along the circumferential direction of the outer wall of the circular shaft sleeve at intervals.
Preferably, the rotation limiting connecting mechanism comprises a plurality of spherical protrusions which are uniformly distributed along the circumferential direction of the inner annular wall of the corner scale disc at intervals, and the outer wall of the circular shaft sleeve is tightly matched with the outer wall of each spherical protrusion.
Preferably, each convex column is arranged above the annular scale surface; the angle pointer comprises an angle pointing arrow arranged at the bottom of the outer side wall of one of the convex columns.
Preferably, the bottom of the convex column provided with the angle pointing arrow is abutted against the annular scale surface.
Preferably, the rotary limiting connecting mechanism comprises a circular rotary limiting shaft sleeve which is concentrically arranged with the corner scale disc and fixedly connected to the inner annular wall of the corner scale disc, the outer wall of the circular rotary limiting shaft sleeve is fixedly connected to the inner annular wall of the corner scale disc, a plurality of spherical protrusions are uniformly distributed on the inner wall of the circular rotary limiting shaft sleeve at intervals in the circumferential direction, and the outer wall of the circular shaft sleeve is tightly matched with the outer wall of each spherical protrusion.
Preferably, the angle pointer comprises a needle post which is arranged on the outer wall of the circular shaft sleeve and is parallel to the corner scale disc.
Preferably, the spike abuts the annular dial surface.
Preferably, the circular rotation limiting shaft sleeve is welded on the inner annular wall of the rotation angle scale disc.
Compared with the prior art, the steering gear input shaft rotating angle measuring device provided by the invention has the following advantages that:
1. the invention arranges a through hole for the through installation of the steering gear input shaft in the round shaft sleeve; a corner scale disc is concentrically arranged outside the circular shaft sleeve, and an annular scale surface is arranged on the upper end surface of the corner scale disc; the corner scale disc is rotatably sleeved outside the circular shaft sleeve; the corner scale disc is connected with the round shaft sleeve through a rotary limiting connecting mechanism; the design that an angle pointer corresponding to the annular scale surface is arranged on the outer wall of the circular shaft sleeve, the circular shaft sleeve can rotate circumferentially relative to the corner scale disc, the angle pointer and the annular scale surface are matched to indicate the rotating angle of the circular shaft sleeve, and a steering gear input shaft is arranged in a penetrating hole in the circular shaft sleeve in a penetrating mode, so that the rotating angle of the steering gear input shaft can be measured, and the transmission ratio of the steering gear input shaft can be accurately calculated; the design that spline grooves used for being tightly matched with splines on the outer wall of the input shaft of the steering gear are formed in the circumferential direction of the inner wall of the through hole is convenient for the input shaft of the steering gear to be fixedly arranged in a penetrating way; a plurality of convex columns are uniformly distributed at intervals in the circumferential direction through the outer wall of the circular shaft sleeve positioned above the corner scale disc; the design of equally laying six convex columns along circular axle sleeve outer wall circumference interval increases the frictional force between hand and circular axle sleeve, makes things convenient for operating personnel to rotate circular axle sleeve, and then realizes the measurement to steering gear input shaft rotation angle.
2. According to the invention, the rotation limiting and connecting mechanism comprises a plurality of spherical protrusions which are uniformly distributed along the circumferential direction of the inner annular wall of the corner scale disc at intervals, the outer wall of the circular shaft sleeve is tightly matched with the outer wall of the spherical protrusions, the spherical protrusions limit the circular shaft sleeve to move downwards, the longitudinal limiting of the circular shaft sleeve is ensured, and meanwhile, the design of the spherical protrusions 5 is convenient for the circular shaft sleeve to flexibly rotate in the circumferential direction.
3. The invention is arranged above the annular scale surface through each convex column; the angle pointer comprises an angle pointing arrow arranged at the bottom of the outer side wall of one of the convex columns; the bottom of the convex column provided with the angle pointing arrow is close to the annular scale surface, the scale surface is marked with coarse scales and fine scales, and the fine scales are close to the design of the angle pointer, so that the indication of the rotating angle is realized, and the observation of an operator is facilitated.
4. The rotary limiting connecting mechanism can also be provided with a circular rotary limiting shaft sleeve which is concentric with the corner scale disc and is fixedly connected with the inner annular wall of the corner scale disc, the outer wall of the circular rotary limiting shaft sleeve is fixedly connected with the inner annular wall of the corner scale disc, a plurality of spherical bulges are uniformly distributed on the inner wall of the circular rotary limiting shaft sleeve at intervals in the circumferential direction, the outer wall of the circular shaft sleeve is tightly matched with the outer wall of the spherical bulges, the rotary limiting shaft sleeve is additionally arranged between the spherical bulges and the corner scale disc, the identification degree of the corner scale disc is improved, and an operator can conveniently observe the scales; through the design that the circular rotary limiting shaft sleeve is welded on the inner annular wall of the corner scale disc, the circular rotary limiting shaft sleeve and the corner scale disc are fixed into a whole, and the circular rotary limiting shaft sleeve is also fixed while the corner scale disc is fixed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view (perspective view) of a device for measuring the rotation angle of an input shaft of a steering gear according to a first embodiment;
FIG. 2 is a schematic structural diagram (top view) of a device for measuring the rotation angle of an input shaft of a steering gear according to a first embodiment;
FIG. 3 is a schematic structural view (assembly view) of the steering gear input shaft rotation angle measuring device according to the first embodiment;
FIG. 4 is a schematic structural view (perspective view) of the device for measuring the rotation angle of the input shaft of the steering gear according to the second embodiment;
FIG. 5 is a schematic structural view (plan view) of the steering gear input shaft rotation angle measuring device according to the second embodiment;
fig. 6 is a schematic structural view (assembly view) of the steering gear input shaft rotation angle measuring device according to the second embodiment.
Description of reference numerals:
1-a circular shaft sleeve; 2-a corner scale disc; 101-mounting holes; 3-ring scale surface; 4-angle pointer; 102-spline grooves; 103-convex column; 5-spherical bulge; 6-circular rotary limiting shaft sleeve; 9-a steering gear input shaft; 901-spline; 41-Angle pointing arrow 41; 42-needle column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2 and 3, the steering gear input shaft rotation angle measuring device in the present embodiment includes a circular shaft sleeve 1, wherein a mounting hole 101 for mounting a steering gear input shaft is formed in the circular shaft sleeve 1; a corner scale disc 2 is concentrically arranged outside the circular shaft sleeve 1, and an annular scale surface 3 is arranged on the upper end surface of the corner scale disc 2; the corner scale disc 2 is rotatably sleeved outside the circular shaft sleeve 1; the corner scale disc 2 is connected with the circular shaft sleeve 1 through a rotary limiting connecting mechanism; an angle pointer 4 corresponding to the annular scale surface 3 is arranged on the outer wall of the circular shaft sleeve 1; a spline groove 102 used for being tightly matched with a spline 901 on the outer wall of an input shaft of a steering gear is formed in the circumferential direction of the inner wall of the penetrating hole 101, the circular shaft sleeve 1 extends towards the upper part of the corner scale disc 2, and a plurality of convex columns 103 are uniformly distributed on the outer wall of the circular shaft sleeve 1 above the corner scale disc 2 at intervals in the circumferential direction; six convex columns 103 are uniformly distributed along the circumferential direction of the outer wall of the circular shaft sleeve 1 at intervals.
The invention is provided with a through hole 101 for the through installation of the steering gear input shaft in the circular shaft sleeve 1; a corner scale disc 2 is concentrically arranged outside the circular shaft sleeve 1, and an annular scale surface 3 is arranged on the upper end surface of the corner scale disc 2; the corner scale disc 2 is rotatably sleeved outside the circular shaft sleeve 1; the corner scale disc 2 is connected with the circular shaft sleeve 1 through a rotary limiting connecting mechanism; the design that an angle pointer 4 corresponding to an annular scale surface 3 is arranged on the outer wall of the circular shaft sleeve 1, the circular shaft sleeve 1 can rotate circumferentially relative to the corner scale disc 2, meanwhile, the angle pointer 4 is matched with the annular scale surface 3 to indicate the rotating angle of the circular shaft sleeve 1, and a steering gear input shaft 9 is arranged in a penetrating hole 101 in the circular shaft sleeve 1 in a penetrating mode, so that the rotating angle of the steering gear input shaft 9 can be measured, and the transmission ratio of the steering gear input shaft can be accurately calculated; the design that the spline groove 102 used for being tightly matched with the spline on the outer wall of the input shaft of the steering gear is formed in the circumferential direction of the inner wall of the penetrating hole 101 facilitates the penetrating and fixing of the input shaft of the steering gear; a plurality of convex columns 103 are uniformly distributed at intervals in the circumferential direction on the outer wall of the circular shaft sleeve 1 above the corner scale disc 2; the design of equally laying six projection 103 along circular axle sleeve 1 outer wall circumference interval increases the frictional force between hand and circular axle sleeve 1, makes things convenient for operating personnel to rotate circular axle sleeve 1, and then realizes the measurement to 9 rotation angles of steering gear input shaft.
As shown in fig. 2, in the present embodiment, the rotation limiting connection mechanism includes a plurality of spherical protrusions 5 equally distributed along the circumferential direction of the inner annular wall 21 of the angle scale disk 2, and the outer wall of the circular shaft sleeve 1 is tightly fitted with the outer wall of the spherical protrusions 5.
According to the invention, the rotation limiting and connecting mechanism comprises a plurality of spherical protrusions 5 which are uniformly distributed along the circumferential direction of the inner annular wall 21 of the corner scale disc 2 at intervals, the outer wall of the circular shaft sleeve 1 is tightly matched with the outer wall of the spherical protrusions 5, the spherical protrusions 5 limit the downward movement of the circular shaft sleeve 1, the longitudinal limiting of the circular shaft sleeve 1 is ensured, meanwhile, the design of the spherical protrusions 5 is convenient for the circumferential flexible rotation of the circular shaft sleeve 1, and the smooth rotation of the circular shaft sleeve 1 is ensured.
As shown in fig. 1 and 3, each convex column 103 in the present embodiment is disposed above the annular scale surface 3; the angle indicator 4 comprises an angle pointing arrow 41 arranged at the bottom of the outer side wall of one convex column 103; the convex column 103 provided with the angle pointing arrow 41 is abutted against the annular scale surface 3, the scale surface 3 is marked with coarse scales and fine scales, and the fine scales are abutted against the angle pointer 4.
The invention is arranged above the annular scale surface 3 through each convex column 103; the angle indicator 4 comprises an angle pointing arrow 41 arranged at the bottom of the outer side wall of one convex column 103; the bottom of the convex column 103 provided with the angle pointing arrow 41 is abutted against the annular scale surface 3, the scale surface 3 is marked with coarse scales and fine scales, the fine scales are abutted against the angle pointer 4 to realize the indication of the rotating angle, and the fine scales are abutted against the angle pointer 4 to facilitate the recording of the diagonal angle value of an operator
As shown in fig. 4, 5 and 6, the rotation limiting connection mechanism may further include a circular rotation limiting shaft sleeve 6 concentrically disposed with the corner scale disc 2 and fixedly connected to the inner annular wall of the corner scale disc 2, an outer wall of the circular rotation limiting shaft sleeve 6 is fixedly connected to the inner annular wall of the corner scale disc 2, a plurality of spherical protrusions 5 are uniformly distributed on the inner wall of the circular rotation limiting shaft sleeve 6 at circumferential intervals, and the outer wall of the circular shaft sleeve 1 is tightly fitted with the outer walls of the spherical protrusions 5; the circular rotary limiting shaft sleeve 6 is welded on the inner annular wall of the corner scale disc 2.
According to the invention, the rotary limiting connecting mechanism can also be provided with a circular rotary limiting shaft sleeve 6 which is concentric with the corner scale disc 2 and fixedly connected with the inner annular wall of the corner scale disc 2, the outer wall of the circular rotary limiting shaft sleeve 6 is fixedly connected with the inner annular wall of the corner scale disc 2, a plurality of spherical bulges 5 are uniformly distributed on the inner wall of the circular rotary limiting shaft sleeve 6 at intervals in the circumferential direction, the outer wall of the circular shaft sleeve 1 is tightly matched with the outer wall of the spherical bulges 5, the rotary limiting shaft sleeve 6 is additionally arranged between the spherical bulges 5 and the corner scale disc 2, the identification degree of the corner scale disc 2 is improved, and the scale can be conveniently observed by an operator; weld the design on the rampart in corner scale disc 2 through circular rotatory spacing axle sleeve 6, guarantee that circular rotatory spacing axle sleeve 6 is fixed in an organic whole with corner scale disc 2, when corner scale disc 2 is fixed, circular rotatory spacing axle sleeve 6 also keeps fixed.
As shown in fig. 4 and 6, the angle indicator 4 includes a needle post 42 which is arranged on the outer wall of the circular shaft sleeve 1 and is parallel to the corner scale disc 2; the needle cylinder 42 abuts against the annular scale surface 3; fine scales and coarse scales are marked on the annular scale surface 3, the fine scales are arranged on the edge of the annular scale surface 3, and the outer end of the needle column 42 extends to the position above the fine scales.
The angle pointer 4 comprises a needle post 42 which is arranged on the outer wall of the circular shaft sleeve 1 and is parallel to the corner scale disc 2; the needle cylinder 42 abuts against the annular scale surface 3; be carved with thin scale and coarse scale on annular scale face 3, 3 edges on annular scale face are located to thin scale, and the design of needle cylinder 42 outer end extension to thin scale top makes things convenient for operating personnel to rotation angle's observation, and simultaneously, needle cylinder 42 can carry out the regulation of length according to the position of thin scale, need not to adjust the external diameter of projection 103, can reduce the radius of projection 103, reduces circular axle sleeve 1's weight.
A method for measuring the rotating angle of an input shaft of a steering gear comprises the following steps:
the steering gear input shaft penetrates into the corner scale disc 2 from the penetrating hole 101, the corner scale disc 2 is guaranteed to be fixed, the circular shaft sleeve 1 is rotated, and when the circular shaft sleeve 1 is rotated and fixed, the number of rotating circles of the circular shaft sleeve 1 and the angle value indicated by the angle pointer 4 on the annular scale surface 3 are recorded, so that the transmission ratio of the input shaft is calculated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A steering gear input shaft angle measuring device is characterized in that: the steering gear input shaft penetrating device comprises a circular shaft sleeve (1), wherein a penetrating hole (101) for penetrating an input shaft of a steering gear is formed in the circular shaft sleeve (1); a corner scale disc (2) is concentrically arranged outside the circular shaft sleeve (1), and an annular scale surface (3) is arranged on the upper end surface of the corner scale disc (2); the corner scale disc (2) is rotatably sleeved outside the circular shaft sleeve (1); the corner scale disc (2) is connected with the circular shaft sleeve (1) through a rotary limiting connecting mechanism; an angle pointer (4) corresponding to the annular scale surface (3) is arranged on the outer wall of the circular shaft sleeve (1); a spline groove (102) which is used for being tightly matched with a spline on the outer wall of an input shaft of a steering gear is formed in the circumferential direction of the inner wall of the penetrating hole (101), the circular shaft sleeve (1) extends towards the upper part of the corner scale disc (2), and a plurality of convex columns (103) are uniformly distributed on the outer wall of the circular shaft sleeve (1) above the corner scale disc (2) at intervals in the circumferential direction; the rotary limiting and connecting mechanism comprises a plurality of spherical protrusions (5) which are uniformly distributed along the circumferential direction of the inner annular wall (21) of the corner scale disc (2) at intervals, and the outer wall of the circular shaft sleeve (1) is tightly matched with the outer wall of each spherical protrusion (5).
2. The steering input shaft rotation angle measuring device according to claim 1, characterized in that: six convex columns (103) are arranged at equal intervals along the circumferential direction of the outer wall of the circular shaft sleeve (1).
3. The steering input shaft rotation angle measuring device according to claim 2, characterized in that: each convex column (103) is arranged above the annular scale surface (3); the angle indicator (4) comprises an angle pointing arrow (41) arranged at the bottom of the outer side wall of one convex column (103).
4. The steering input shaft rotation angle measuring device according to claim 3, characterized in that: the bottom of the convex column (103) provided with the angle pointing arrow (41) is abutted against the annular scale surface (3).
5. The steering input shaft rotation angle measuring device according to claim 1, characterized in that: rotatory spacing coupling mechanism includes and sets up and the circular rotatory spacing axle sleeve (6) of rigid coupling in corner scale disc (2) inner annular wall with corner scale disc (2) concentric, and the outer wall rigid coupling of circular rotatory spacing axle sleeve (6) is on corner scale disc (2) inner annular wall, and circumference interval equipartition is equipped with a plurality of spherical archs (5) on circular rotatory spacing axle sleeve (6) inner wall, circular axle sleeve (1) outer wall and spherical protruding (5) outer wall tight fit.
6. The steering input shaft rotation angle measuring device according to claim 5, characterized in that: the angle pointer (4) comprises a needle post (42) which is arranged on the outer wall of the circular shaft sleeve (1) and is parallel to the corner scale disc (2).
7. The steering input shaft rotation angle measuring device according to claim 6, characterized in that: the needle cylinder (42) is tightly close to the annular scale surface (3).
8. The steering input shaft rotation angle measuring device according to claim 7, characterized in that: the circular rotary limiting shaft sleeve (6) is welded on the inner annular wall of the corner scale disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573599.2A CN109501861B (en) | 2018-12-21 | 2018-12-21 | Steering gear input shaft rotating angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811573599.2A CN109501861B (en) | 2018-12-21 | 2018-12-21 | Steering gear input shaft rotating angle measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501861A CN109501861A (en) | 2019-03-22 |
| CN109501861B true CN109501861B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811573599.2A Active CN109501861B (en) | 2018-12-21 | 2018-12-21 | Steering gear input shaft rotating angle measuring device |
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| CN (1) | CN109501861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129635B (en) * | 2020-10-15 | 2021-05-11 | 山东建筑大学 | Rib body drawing test system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303359A (en) * | 2012-03-09 | 2013-09-18 | 日立汽车系统转向器株式会社 | Electric power steering system and controller of the electric power steering system |
| EP1627207B1 (en) * | 2003-05-17 | 2015-09-02 | ThyssenKrupp Presta Aktiengesellschaft | Sensor for measuring a length or an angle |
| CN205940407U (en) * | 2016-07-28 | 2017-02-08 | 潍柴动力股份有限公司 | Bolt corner indicating device |
| CN206248016U (en) * | 2016-10-21 | 2017-06-13 | 许继集团有限公司 | A kind of rotating shaft angle measurement unit |
-
2018
- 2018-12-21 CN CN201811573599.2A patent/CN109501861B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1627207B1 (en) * | 2003-05-17 | 2015-09-02 | ThyssenKrupp Presta Aktiengesellschaft | Sensor for measuring a length or an angle |
| CN103303359A (en) * | 2012-03-09 | 2013-09-18 | 日立汽车系统转向器株式会社 | Electric power steering system and controller of the electric power steering system |
| CN205940407U (en) * | 2016-07-28 | 2017-02-08 | 潍柴动力股份有限公司 | Bolt corner indicating device |
| CN206248016U (en) * | 2016-10-21 | 2017-06-13 | 许继集团有限公司 | A kind of rotating shaft angle measurement unit |
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| CN109501861A (en) | 2019-03-22 |
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