A new measuring tool for measuring the steering angle of electric vehicles

Abstract

The present invention provides a new type of measuring tool for measuring the steering angle of an electric vehicle, including a base, and an angle measuring device and a wheel guide groove installed on the base; the angle measuring device is rotatably installed on the base, a pointer is provided on the angle measuring device, a scale is installed on the base, the pointer points to the scale, the wheel guide groove is provided on the side wall of the base, one end of the wheel guide groove contacts the angle measuring device, one end of the wheel guide groove contacts the ground, and the wheel enters the angle measuring device through the guide groove for measurement. The measuring tool described in the present invention adopts a cylinder method to control the height adjustment of the detection device, which makes it more convenient to realize the rotation of the front wheel and more accurate to measure the angle; the measuring tool described in the present invention cooperates with the wheel guide plate through the front limit block to better fix the wheel and prevent the problem of landslide.

Description

Technical Field

[0001] The invention belongs to the technical field of electric vehicles, and in particular relates to a new measuring tool for measuring the steering angle of an electric vehicle. Background Art

[0002] The existing electric vehicle wheel steering angle detection is extremely important now. The front wheel steering angle of an electric vehicle is an important parameter for the detection and inspection of the whole vehicle. In order to improve the efficiency and accuracy of the detection and inspection of the front wheel steering angle of the whole vehicle, this device is specially invented for the detection and inspection of the front wheel steering angle of an electric vehicle. Summary of the invention

[0003] In view of this, the present invention aims to propose a new measuring tool for measuring the steering angle of an electric vehicle to solve the problem of detecting the steering angle of the front wheels.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A new type of measuring fixture for measuring the steering angle of an electric vehicle, comprising a base, an angle measuring device and a wheel guide groove installed on the base;

[0006] The angle measuring device is rotatably mounted on the base, a pointer is provided on the angle measuring device, a scale is installed on the base, the pointer points to the scale, the wheel guide groove is arranged on the side wall of the base, one end of the wheel guide groove contacts the angle measuring device, and one end of the wheel guide groove contacts the ground, and the wheel enters the angle measuring device through the guide groove for measurement.

[0007] Furthermore, the base is provided with a cylinder mounting hole, a cylinder is mounted in the cylinder mounting hole, an oil pipe of the cylinder extends out of the base and is connected to a cylinder controller, and the angle measuring device is rotatably mounted on the cylinder.

[0008] Furthermore, a convex edge extends from one end of the wheel guide groove toward the top of the base, and a slot is formed between the convex edge and the base. A wheel guide plate is installed on the angle measuring device, and one end of the wheel guide plate is movably installed on the angle measuring device, and the other end of the wheel guide plate is inserted into the slot and contacts the wheel guide groove.

[0009] Furthermore, the angle measuring device includes a base plate, a side positioning block, and a front positioning block. Two side positioning blocks are provided, and the two side positioning blocks are symmetrically fixed on the base plate. The front positioning block is fixed at the end near the base plate, and the front positioning block is located between the two side positioning blocks. The two side positioning blocks are parallel to the wheel guide groove. Two groups of blocks are provided on the wheel guide plate, and the two groups of blocks are parallel to the two side positioning blocks. The distance between the two blocks is equal to the distance between the two side positioning blocks, and the distance between the two blocks corresponds to the width of the wheel guide groove.

[0010] Furthermore, the wheel guide groove and the top end surface of the wheel guide plate are both inclined surfaces, and one end of the wheel guide plate is parallel to the end surface of the bottom plate of the angle measuring device.

[0011] Furthermore, a groove is provided at one end of the base plate, and the wheel guide plate can be adjusted and installed in the groove. Adjustment grooves are provided at the two side walls of the base plate near the ends, and the adjustment grooves are connected to the grooves. The adjustment grooves include a transverse groove, an oblique groove, a vertical groove, and an adjustment space. The transverse groove and the oblique groove have the same depth. The vertical groove is arranged in the middle position of the adjustment groove. The transverse groove is vertically connected to the vertical groove. The oblique groove is located above the vertical groove and is connected to the vertical groove at an angle of degrees. The adjustment groove is a trapezoidal structure and is connected to the vertical groove at one end. Adjustment plates are provided on the two side walls of the wheel guide plate. The adjustment plates extend through the adjustment grooves to the outside of the base plate. The thickness of the adjustment plates corresponds to the depth of the transverse groove and the oblique groove. The adjustment plates are installed in the transverse groove or the oblique groove, and a plug plate is installed in the vertical groove.

[0012] Furthermore, an arc groove is provided on the side wall of the groove.

[0013] Furthermore, an arc-shaped space is provided on the end surface of the bottom plate.

[0014] Furthermore, an adjustment baffle is installed on the wheel guide plate, a rectangular hole is provided on the top of the wheel guide plate, the adjustment baffle is installed in the rectangular hole, the lower end of the rectangular hole is connected to a gear mounting groove, a gear is installed in the gear mounting groove, a rack is provided on the side wall of the adjustment baffle, one end of the adjustment baffle extends into the gear mounting groove to engage with the gear, a through hole is opened on the side wall of the wheel guide plate, a rotating shaft is installed in the through hole, the rotating shaft passes through the through hole and is connected to the gear, and the other end of the rotating shaft extends to the side wall of the wheel guide plate and is connected to an adjustment head.

[0015] Compared with the prior art, the new measuring tool for measuring the steering angle of an electric vehicle described in the present invention has the following advantages:

[0016] (1) The measuring fixture of the present invention uses a hydraulic cylinder to control the height adjustment of the detection device, which makes it more convenient to rotate the front wheel and more accurate to measure the angle.

[0017] (2) The measuring fixture of the present invention can better fix the wheel and prevent the problem of landslide by cooperating with the front limit block and the wheel guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1This is a structural diagram of a new measuring fixture for measuring the steering angle of an electric vehicle according to an embodiment of the present invention;

[0020] Figure 2 A novel measuring fixture structure for measuring the steering angle of an electric vehicle according to an embodiment of the present invention Figure 2 ;

[0021] Figure 3 A novel measuring fixture structure for measuring the steering angle of an electric vehicle according to an embodiment of the present invention Figure 3 ;

[0022] Figure 4 This is a structural diagram of a wheel guide plate according to an embodiment of the present invention;

[0023] Figure 5 This is a structural diagram of the angle measuring device according to an embodiment of the present invention;

[0024] Figure 6 This is a structural diagram of a base according to an embodiment of the present invention;

[0025] Figure 7 This is a structural diagram of the adjustment plate according to an embodiment of the present invention being connected to the adjustment head via gears.

[0026] Description of reference numerals:

[0027] 1. Base; 2. Wheel guide groove; 3. Wheel positioning plate; 4. Wheel guide plate; 5. Insert plate; 6. Cylinder tube; 30. Bottom plate; 31. Side positioning block; 32. Front positioning block; 33. Pointer; 34. Adjustment groove; 35. Arc groove; 341. Oblique groove; 342. Horizontal groove; 343. Vertical groove; 344. Adjustment space; 41. Block; 42. Adjustment baffle; 43. Adjustment head; 44. Adjustment plate; 45. Gear; 11. Arc space; 12. Cylinder mounting hole; 21. First slide groove. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0032] like Figures 1 to 7 As shown, a new measuring fixture for measuring the steering angle of an electric vehicle comprises a base 1, and an angle measuring device and a wheel guide groove 2 mounted on the base 1;

[0033] The angle measuring device is rotatably mounted on the base 1, a pointer 33 is provided on the angle measuring device, a scale is installed on the base 1, the pointer 33 points to the scale, the wheel guide groove 2 is arranged on the side wall of the base 1, one end of the wheel guide groove 2 contacts the angle measuring device, one end of the wheel guide groove 2 contacts the ground, and the wheel enters the angle measuring device through the guide groove for measurement.

[0034] like Figure 6 As shown, the base 1 is provided with a cylinder mounting hole 12, a cylinder is mounted in the cylinder mounting hole 12, an oil pipe of the cylinder extends out of the base 1 and is connected to a cylinder controller, and the angle measuring device is rotatably mounted on the cylinder;

[0035] The oil cylinder is controlled to rise and fall by an oil cylinder controller. The oil cylinder controller can be a foot-operated type or a hand-pressed type. The connection method between the oil cylinder and the oil cylinder controller adopts the existing technology, and the oil cylinder controls the angle measuring device.

[0036] like Figures 1 to 3 , Figure 6 As shown, one end of the wheel guide groove 2 extends a convex edge toward the top of the base 1, and a slot is formed between the convex edge and the base 1. A wheel guide plate 4 is installed on the angle measuring device. One end of the wheel guide plate 4 is movably installed on the angle measuring device, and the other end of the wheel guide plate 4 is inserted into the slot and contacts the wheel guide groove 2.

[0037] The wheel guide groove 2 and the top end surface of the wheel guide plate 4 are both inclined surfaces, and one end of the wheel guide plate 4 is parallel to the end surface of the bottom plate 30 of the angle measuring device;

[0038] like Figures 1 to 5 As shown, the angle measuring device includes a bottom plate 30, a side positioning block 31, and a front positioning block 32. The side positioning blocks 31 are provided with two, and the two side positioning blocks 31 are symmetrically fixed on the bottom plate 30. The front positioning block 32 is fixed near the end of the bottom plate 30, and the front positioning block 32 is located between the two side positioning blocks 31. The two side positioning blocks 31 are parallel to the wheel guide groove 2. The wheel guide plate 4 is provided with two groups of blocks 41, and the two groups of blocks 41 are parallel to the two side positioning blocks 31. The distance between the two blocks 41 is equal to the distance between the two side positioning blocks 31, and the distance between the two blocks 41 corresponds to the width of the wheel guide groove 2.

[0039] The wheel is pushed through the wheel guide groove 2 and the wheel guide plate 4 to be pushed onto the bottom plate 30. A front positioning block 32 is provided at the front end of the bottom plate 30. The wheel is pressed against the front positioning block 32. The side positioning block 31 limits the wheel to prevent it from sliding. At this time, the wheel guide plate 4 is adjusted so that the wheel guide plate 4 fixes the wheel on the angle measuring device. By rotating the angle measuring device, the pointer 33 of the angle measuring device points to the scale on the base 1 to achieve measurement.

[0040] like Figure 5As shown, a groove is provided at one end of the bottom plate 30, and the wheel guide plate 4 can be adjusted to be installed in the groove. Adjustment grooves 34 are provided near the ends of the two side walls of the bottom plate 30, and the adjustment grooves 34 are connected with the grooves. The adjustment grooves 34 include a transverse groove 342, an oblique groove 341, a vertical groove 343, and an adjustment space 344. The transverse groove 342 and the oblique groove 341 have the same depth. The vertical groove 343 is arranged in the middle position of the adjustment groove 34. The transverse groove 342 is vertically connected with the vertical groove 343, and the oblique groove 341 is located at The vertical groove 343 is connected to the vertical groove 343 at an angle of 45 degrees above the vertical groove 343. The adjustment groove 34 is a trapezoidal structure with one end connected to the vertical groove 343. Adjustment plates 44 are provided on both side walls of the wheel guide plate 4. The adjustment plates 44 penetrate the adjustment groove 34 and extend to the outside of the bottom plate 30. The thickness of the adjustment plates 44 corresponds to the depth of the transverse groove 342 and the oblique groove 341. The adjustment plates 44 are installed in the transverse groove 342 or the oblique groove 341. The plug plate 5 is installed in the vertical groove 343.

[0041] The wheel guide plate 4 is adjustably mounted on the bottom plate 30. A groove is provided at one end of the bottom plate 30. The width of the groove corresponds to the width of the wheel guide groove 2. The adjusting groove 34 is communicated with the groove. Adjustment plates 44 extend on both sides of the wheel guide plate 4. The adjustment plates 44 are installed in the transverse groove 342 or the inclined groove 341. When the adjustment plate 44 is installed in the transverse groove 342, one end of the wheel guide plate 4 is inserted into the slot formed by the wheel guide groove 2 and the bottom plate 30. When the adjustment plate 44 is located in the inclined groove 341, the wheel guide plate 4 is separated from the slot and forms a 45-degree angle with the bottom plate 30. At this time, the wheel guide plate 4 has an anti-skid effect on the wheel. The adjustment process of the adjustment plate 44 is: by moving the vehicle The adjusting plates 44 on both sides of the wheel guide plate 4 are made to slide into the adjusting space 344. When the adjusting plates 44 on both sides of the wheel guide plate 4 are rotated, the adjusting plates 44 are aligned with the inclined groove 341, and then the adjusting plates 44 are pushed into the inclined groove 341, and the plug-in plates 5 in the vertical groove 343 are plugged in so that the adjusting plates 44 are pressed against the plug-in plates 5 to fix the wheel guide plate 4. When adjusting to the transverse groove 342, the plug-in plates 5 are pulled out, and the adjusting plates 44 are pushed out into the adjusting space 344 so that the adjusting plates 44 are parallel to the bottom of the adjusting space 344, and the adjusting plates 44 are pushed into the transverse groove 342, and the plug-in plates 5 are plugged in to fix them. At this time, the wheel guide plate 4 should be in the same direction as the wheel guide groove 2.

[0042] like Figure 5 As shown, an arc groove 35 is provided on the side wall of the groove;

[0043] like Figure 6 As shown, an arc-shaped space 11 is provided on the end surface of the bottom plate 30;

[0044] Since one end of the wheel guide plate 4 is rectangular, when the wheel guide plate 4 rotates, the upper end of the wheel guide plate 4 will make a circular motion along the arc groove, and the lower end will rotate along the arc space.

[0045] like Figure 4 , Figure 7 As shown, an adjusting baffle 42 is installed on the wheel guide plate 4, a rectangular hole is provided on the top of the wheel guide plate 4, the adjusting baffle 42 is installed in the rectangular hole, the lower end of the rectangular hole is connected with a gear 45 mounting groove, a gear 45 is installed in the gear 45 mounting groove, a rack is provided on the side wall of the adjusting baffle 42, one end of the adjusting plate 44 extends into the gear 45 mounting groove to mesh with the gear 45, a through hole is opened on the side wall of the wheel guide plate 4, a rotating shaft is installed in the through hole, the rotating shaft passes through the through hole and is connected to the gear 45, and the other end of the rotating shaft extends to the side wall of the wheel guide plate 4 and is connected to an adjusting head 43;

[0046] When the wheel guide plate 4 is adjusted to the inclined groove 341, the inclined surface of the wheel guide plate 4 is now in contact with the end face of the wheel tire. The adjusting baffle 42 is adjusted out from the end face of the wheel guide plate 4 to press against the wheel tire by rotating the adjusting head 43 to fix the tire. The wheel is clamped by the wheel guide plate 4 and the front positioning block 32 to prevent the wheel from slipping.

[0047] The specific adjustments are as follows:

[0048] The wheel is pushed through the wheel guide groove 2 and the wheel guide plate 4 to push the wheel onto the bottom plate 30. A front positioning block 32 is provided at the front end of the bottom plate 30. The wheel is pressed against the front positioning block 32. The side positioning block 31 limits the wheel to prevent it from sliding. At this time, the wheel guide plate 4 is adjusted so that the wheel guide plate 4 fixes the wheel on the angle measuring device. The angle measuring device is raised by the oil cylinder to make it easier to rotate. By rotating the angle measuring device, the pointer 33 of the angle measuring device points to the scale on the base 1 to achieve measurement.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A new measuring tool for measuring the steering angle of an electric vehicle, characterized in that: It comprises a base (1), and an angle measuring device and a wheel guide groove (2) mounted on the base (1); The angle measuring device is rotatably mounted on the base (1), a pointer (33) is provided on the angle measuring device, a scale is mounted on the base (1), the pointer (33) points to the scale, the wheel guide groove (2) is arranged on the side wall of the base (1), one end of the wheel guide groove (2) contacts the angle measuring device, one end of the wheel guide groove (2) contacts the ground, and the wheel enters the angle measuring device through the guide groove for measurement; One end of the wheel guide groove (2) extends a convex edge toward the top of the base (1), and a slot is formed between the convex edge and the base (1); a wheel guide plate (4) is mounted on the angle measuring device, one end of the wheel guide plate (4) is movably mounted on the angle measuring device, and the other end of the wheel guide plate (4) is inserted into the slot and contacts the wheel guide groove (2); The angle measuring device comprises a base plate (30), a side positioning block (31), and a front positioning block (32); two side positioning blocks (31) are provided, the two side positioning blocks (31) are symmetrically fixed on the base plate (30), the front positioning block (32) is fixed near the end of the base plate (30), the front positioning block (32) is located between the two side positioning blocks (31), and the two side positioning blocks (31) are parallel to the wheel guide groove (2); An adjusting baffle (42) is mounted on the wheel guide plate (4), and the adjusting baffle (42) can be adjusted out from the end surface of the wheel guide plate (4) to press against the wheel tire and fix the tire; A rectangular hole is provided on the top of the wheel guide plate (4), the adjusting baffle (42) is installed in the rectangular hole, the lower end of the rectangular hole is connected to a gear (45) installation groove, a gear (45) is installed in the gear (45) installation groove, a rack is provided on the side wall of the adjusting baffle (42), one end of the adjusting baffle (42) extends into the gear (45) installation groove to mesh with the gear (45), a through hole is opened on the side wall of the wheel guide plate (4), a rotating shaft is installed in the through hole, the rotating shaft passes through the through hole and is connected to the gear (45), and the other end of the rotating shaft extends to the side wall of the wheel guide plate (4) and is connected to an adjusting head (43).

2. According to claim 1, a new measuring tool for measuring the steering angle of an electric vehicle is characterized in that: The base (1) is provided with an oil cylinder mounting hole (12), an oil cylinder is mounted in the oil cylinder mounting hole (12), an oil pipe of the oil cylinder extends out of the base (1) and is connected to an oil cylinder controller, and the angle measuring device is rotatably mounted on the oil cylinder.

3. According to claim 1, a new measuring tool for measuring the steering angle of an electric vehicle is characterized in that: The wheel guide plate (4) is provided with two groups of blocks (41), the two groups of blocks (41) are parallel to the two side positioning blocks (31), the distance between the two blocks (41) is equal to the distance between the two side positioning blocks (31), and the distance between the two blocks (41) corresponds to the width of the wheel guide groove (2).

4. According to claim 1, a new measuring tool for measuring the steering angle of an electric vehicle is characterized in that: The wheel guide groove (2) and the top end faces of the wheel guide plate (4) are both inclined surfaces, and one end of the wheel guide plate (4) is parallel to the end face of the bottom plate (30) of the angle measuring device.

5. The new measuring tool for measuring the steering angle of an electric vehicle according to claim 3 is characterized in that: A groove is provided at one end of the bottom plate (30), and the wheel guide plate (4) is adjustably installed in the groove. Adjustment grooves (34) are provided near the ends of the two side walls of the bottom plate (30), and the adjustment grooves (34) are communicated with the grooves. The adjustment grooves (34) include a transverse groove (342), an oblique groove (341), a vertical groove (343), and an adjustment space (344). The transverse groove (342) and the oblique groove (341) have the same depth. The vertical groove (343) is arranged in the middle of the adjustment groove (34). The transverse groove (342) and the vertical groove (343) are vertically communicated. The oblique groove (341) is located above the vertical groove (343). The inclined groove (341) and the vertical groove (343) form an angle of 45 degrees, the inclined groove (341) and the vertical groove (343) are connected, the adjustment groove (34) is a trapezoidal structure, one end of which is connected to the vertical groove (343), and the wheel guide plate (4) is provided with an adjustment plate (44) on both side walls, the adjustment plate (44) penetrates the adjustment groove (34) and extends to the outside of the bottom plate (30), the thickness of the adjustment plate (44) corresponds to the depth of the transverse groove (342) and the inclined groove (341), the adjustment plate (44) is installed in the transverse groove (342) or the inclined groove (341), and the vertical groove (343) is installed with a plug plate (5).

6. The new measuring tool for measuring the steering angle of an electric vehicle according to claim 5 is characterized in that: An arc-shaped groove (35) is provided on the side wall of the groove.

7. The new measuring tool for measuring the steering angle of an electric vehicle according to claim 5 is characterized in that: An arc-shaped space (11) is provided on the end surface of the bottom plate (30).

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