CN114952270A - Inner red point aiming type front axle steering angle adjusting device and adjusting method - Google Patents
Inner red point aiming type front axle steering angle adjusting device and adjusting method Download PDFInfo
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- CN114952270A CN114952270A CN202210600929.2A CN202210600929A CN114952270A CN 114952270 A CN114952270 A CN 114952270A CN 202210600929 A CN202210600929 A CN 202210600929A CN 114952270 A CN114952270 A CN 114952270A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 8
- 241000212749 Zesius chrysomallus Species 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 8
- 244000144985 peep Species 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses an inner red point aiming type front axle steering angle adjusting device and an adjusting method, which relate to the field of automobile part measurement and adjustment and comprise an aiming seat, a light-emitting diode, an angle ruler seat, a steering angle and an aiming lens, wherein the aiming seat is arranged on the angle ruler seat through an adjusting mechanism; the sighting telescope is arranged on the sighting seat, and a red point in the scribing width of the sighting telescope is superposed with the head of the light-emitting diode at the opposite side; the angle ruler seat is arranged on the steering angle; the lower part of the steering angle is connected with a connecting plate, and the lower part of the connecting plate is provided with a positioning pin; the device has the advantages of simple structure, convenient use and remarkable improvement on the assembly efficiency.
Description
Technical Field
The invention relates to the field of automobile part measurement and adjustment, in particular to an inner red point aiming type front axle steering angle adjusting device and an inner red point aiming type front axle steering angle adjusting method.
Background
For a front axle assembly, a very important function is to realize the steering function of an automobile, the steering angle is a key parameter for determining the steering function of the front axle, and the steering angles on two sides of the axle assembly need to be adjusted in the assembling process of the front axle assembly so as to meet the technological requirements.
The size of the steering angle depends on the distance from a first adjusting screw arranged on the steering knuckle to a limit boss on the front shaft, and the longer the adjusting screw is, the more the distance is, the smaller the steering angle is. At present, a three-point one-line aiming principle is adopted in a common domestic mechanical corner instrument, the operation is complex, the adjustment precision is low, the adjustment speed is slow, and the assembly efficiency of a front axle assembly is influenced.
Disclosure of Invention
In order to solve the problems, an inner red point aiming type front axle steering angle adjusting device and an inner red point aiming type front axle steering angle adjusting method are provided, an inner red point aiming technology is combined with a traditional mechanical steering angle adjusting mode, when the inner red point aiming technology is adjusted, only a light point on an aiming mirror is overlapped with the head position of a light emitting diode on the other side, and the adjustment can be completed by one line of two points.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention discloses an inner red point aiming type front axle steering angle adjusting device which comprises an aiming base, a light-emitting diode, an angle ruler base, a steering angle and an aiming lens, wherein the aiming base is arranged on the angle ruler base through an adjusting mechanism; the sighting telescope is arranged on the sighting seat, and a red point in the scribing width of the sighting telescope is superposed with the head of the light-emitting diode at the opposite side; the angle ruler seat is arranged on the steering angle; the lower part of the steering angle is connected with a connecting plate, and the lower part of the connecting plate is provided with a positioning pin.
As a further improvement of the above technical scheme, the inner red point aiming type front axle steering angle adjusting device further comprises a reference shaft, the reference shaft is fixed on the angle scale seat through a nut, and the light emitting diode is arranged on the reference shaft.
As a further improvement of the above technical solution, the positioning pin comprises a first interchangeable positioning pin and a second interchangeable positioning pin; the first replaceable positioning pin and the second replaceable positioning pin are fixed on the connecting plate through nuts respectively; and cushion rings are arranged on the first replaceable positioning pin and the second replaceable positioning pin.
As a further improvement of the above technical solution, the inner red point aiming type front axle steering angle adjusting device further comprises a power supply unit, wherein the power supply unit comprises a cover plate, a second screw, a battery box and a battery; the battery box is arranged on the angle adjusting arm through a second screw, and the cover plate is matched with the battery box; the battery box is internally provided with a battery.
The invention discloses a method for adjusting the steering angle of an inner red point aiming type front axle on the other hand, which comprises the following steps of checking the zero-degree position; adjusting the aiming base to a process use angle to enable the aiming base to be aligned with the scale of the angle ruler base; the aiming base is locked by a first inner hexagon screw; the two positioning pins are inserted into the threaded holes of the steering knuckles in an aligning manner, so that the two positioning pins are respectively positioned on the two steering knuckles at the two ends of the front axle; the head of the light-emitting diode forms a datum line passing through the axes of the two steering knuckle king pins; and rotating the steering knuckle and adjusting a first screw arranged on the steering knuckle to ensure that a red point in the marking width on the sighting telescope coincides with the head of the light-emitting diode at the opposite side.
As a further improvement of the technical scheme, the distance of the front axle steering angle measuring target is 1800 mm.
As a further improvement of the technical scheme, the minimum adjustment error scale of the aiming seat is 5'.
As a further improvement of the technical proposal, the width of the sighting telescope is 26mm, and the width of the central scribing line of the sighting telescope is 10 mm.
As a further improvement of the technical scheme, the diameter of the light-emitting diode is 2 mm.
According to the technical scheme, the invention has the beneficial effects that: the inner red point aiming technology is combined with the traditional mechanical steering angle adjusting mode, the red point in the marking width in the sighting telescope is overlapped with the opposite light emitting diode, and the two points and the line can be adjusted, so that the sighting telescope is more accurate and rapid, and the assembly efficiency is obviously improved; the two positioning pins below the device are inserted into the threaded holes of the steering knuckle for positioning, the positioning mode is simple and convenient, the positioning pins can be replaced, the device is suitable for different bridge types, and the product switching is rapid; under the condition of measuring distance of 1.8m, the angle error generated by aiming of the angle meter is +/-0.16 degrees, the precision is higher, and the process use requirement is met; the main body of the invention is made of aluminum material, the structure is simple, and the weight of the device is reduced; and the protective cover is added, the collision and damage of the sighting telescope are prevented, the battery capacity is increased, and the service life is longer.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a working principle diagram of a conventional mechanical corner instrument.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of the aiming error analysis of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1-protective cover, 2-aiming base, 3-light emitting diode, 4-reference shaft, 5-first nut, 6-angle ruler base, 7-first inner hexagon screw, 8-large washer, 9-first screw, 10-shaft, 11-pin, 12-two-foot boat-shaped switch, 13-connecting plate, 14-first replaceable positioning pin, 15-second replaceable positioning pin, 16-second nut, 17-backing ring, 18-cover plate, 19-second screw, 20-battery box, 21-battery, 22-second inner hexagon screw, 23-aiming mirror and 100-steering angle.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. 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 scope of protection of this patent.
As shown in fig. 1, the conventional mechanical angle indicator adopts the principle of aiming at three points, namely the center of the opening of the peep hole 24, the center of the sight 25 and the center of the target 26, and the visual distance from the opening of the peep hole is not less than 300mm during aiming, and the distance between the two reference points is medium, so that the operation is complicated and the adjustment precision is low.
As shown in fig. 2, the invention discloses an inner red dot aiming type front axle steering angle adjusting device, which comprises an aiming base 2, a light emitting diode 3, an angle ruler base 6, a steering angle and an aiming lens 23, wherein the aiming base 2 is arranged on the angle ruler base 6 through an adjusting mechanism; the sighting telescope 23 is arranged on the sighting seat 2, and a red point in the scribing width of the sighting telescope 23 is superposed with the head of the opposite side light-emitting diode 3; the angle ruler seat 6 is arranged on the steering angle 100; a second socket head cap screw 22 is arranged on the steering angle; the lower part of the steering angle is connected with a connecting plate 13, and the lower part of the connecting plate 13 is provided with a positioning pin; the upper part of the aiming seat 2 is provided with a protective cover 1.
Interior red point aims formula front axle steering angle adjusting device still includes reference shaft 4, reference shaft 4 is fixed on angle chi seat 6 through first nut 5, emitting diode 3 set up in on reference shaft 4.
The adjustment mechanism comprises a first screw 9, a shaft 10 and a pin 11; when in use, the aiming block 2 is hinged through the shaft 10 and the pin 11 so as to realize the hinging of the aiming block 2 relative to the angle ruler block 6; the first screw 9 serves for fixing.
The positioning pins comprise a first replaceable positioning pin 14 and a second replaceable positioning pin 15; the first replaceable positioning pin 14 and the second replaceable positioning pin 15 are fixed on the connecting plate 13 through a second nut 16 respectively; when in fixation, the first replaceable positioning pin 14 and the second replaceable positioning pin 15 are provided with backing rings 17; to distribute the pressure of the second nut 16 on the first interchangeable positioning pin 14 and the second interchangeable positioning pin 15 and to reduce the disengagement by vibration.
The inner red point aiming type front axle steering angle adjusting device also comprises a power supply unit, wherein the power supply unit comprises a cover plate 18, a second screw 19, a battery box 20 and a battery 21; the battery box 20 is arranged on the angle adjusting arm through a second screw 19, and the cover plate 18 is matched with the battery box 20; a battery 21 is arranged in the battery box 20; in the above, the sighting telescope 23 is a small optically controlled holographic sighting telescope; and a two-foot boat type switch 12, wherein the two-foot boat type switch 12 is turned on or off to control the battery 21.
The invention also discloses an inner red point aiming type front axle steering angle adjusting method, which comprises the following steps,
checking the zero-degree position;
adjusting the aiming base to a process use angle to enable the aiming base to be aligned with the scale of the angle ruler base; the aiming base is locked by an inner hexagon screw 7, wherein a large washer 8 is arranged on the inner hexagon screw 7;
the two positioning pins are inserted into the threaded holes of the steering knuckles in an aligning manner, so that the two positioning pins are respectively positioned on the two steering knuckles at the two ends of the front axle; the head of the light-emitting diode forms a datum line passing through the axes of the two steering knuckle king pins;
rotating the steering knuckle and adjusting a first screw 7 arranged on the steering knuckle to enable a red point in the marking width on the sighting telescope to be superposed with the head of the light-emitting diode on the opposite side; at the moment, the steering angle is the angle required by the process.
The target distance when measuring the steering angle of the front axle is 1800 mm. The minimum adjustment error scale of the sighting seat is 5', the width of the sighting telescope is 26mm, and the central marking width of the sighting telescope is 10 mm; the diameter of the light emitting diode is 2 mm; and calculating to obtain: α =26 × 360/(2 × pi × 1800) =0.207 °, β =10 × 360/(2 × pi × 1800) =0.08 °; when an operation error occurs, that is, a red dot in the scribing width of the sighting telescope 23 is not aligned with the head of the opposite-side light-emitting diode 3, the angle error is +/-0.207 degrees +5 degrees, and +/-0.29 degrees is caused; when the operation is correct, the angle error generated by aiming the angle indicator is +/-0.08 degrees +5 degrees, and +/-0.16 degrees; the precision of the steering angle is far less than +/-1 ℃ of the process requirement, and the process use requirement is met.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An inner red point aiming type front axle steering angle adjusting device is characterized by comprising an aiming base, a light emitting diode, an angle ruler base, a steering angle and an aiming lens, wherein the aiming base is arranged on the angle ruler base through an adjusting mechanism; the sighting telescope is arranged on the sighting seat, and a red point in the scribing width of the sighting telescope is superposed with the head of the light-emitting diode at the opposite side; the angle ruler seat is arranged on the steering angle; the lower part of the steering angle is connected with a connecting plate, and the lower part of the connecting plate is provided with a positioning pin.
2. The inner red-point aiming front axle steering angle adjusting device according to claim 1, further comprising a reference shaft fixed on the angle scale base by a first nut, wherein the light emitting diode is arranged on the reference shaft.
3. The internally red-spot aiming front axle steering angle adjusting device according to claim 1, wherein the positioning pin comprises a first interchangeable positioning pin and a second interchangeable positioning pin; the first replaceable positioning pin and the second replaceable positioning pin are fixed on the connecting plate through second nuts respectively; and cushion rings are arranged on the first replaceable positioning pin and the second replaceable positioning pin.
4. The internally red-dot aiming front axle steering angle adjusting device according to claim 1, further comprising a power supply unit, wherein the power supply unit comprises a cover plate, a second screw, a battery box and a battery; the battery box is arranged on the angle adjusting arm through a second screw, and the cover plate is matched with the battery box; the battery box is internally provided with a battery.
5. An inner red point aiming type front axle steering angle adjusting method is characterized by comprising the following steps,
checking the zero-degree position;
adjusting the aiming base to a process use angle to enable the aiming base to be aligned with the scale of the angle ruler base; the aiming base is locked by a first inner hexagon screw;
the two positioning pins are inserted into the threaded holes of the steering knuckles in an aligning manner, so that the two positioning pins are respectively positioned on the two steering knuckles at the two ends of the front axle; the head of the light-emitting diode forms a datum line passing through the axes of the two steering knuckle king pins;
and rotating the steering knuckle and adjusting a first screw arranged on the steering knuckle to enable a red point in the marking width on the sighting telescope to be superposed with the head of the light-emitting diode on the opposite side.
6. The method of adjusting steering angle of a internally red-pointing front axle according to claim 5, wherein the distance of the measurement target of the steering angle of the front axle is 1800 mm.
7. The method for adjusting the steering angle of an internally red-dot aiming front axle according to claim 5, wherein the minimum adjustment error scale of the aiming block is 5'.
8. The method of adjusting steering angle of an internally red-dotted aiming front axle of claim 5, wherein the width of the sighting telescope is 26mm, and the width of the central line of the sighting telescope is 10 mm.
9. The method of adjusting steering angle of an internally red-dot aiming front axle of claim 5, wherein the diameter of the LED is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600929.2A CN114952270A (en) | 2022-05-30 | 2022-05-30 | Inner red point aiming type front axle steering angle adjusting device and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600929.2A CN114952270A (en) | 2022-05-30 | 2022-05-30 | Inner red point aiming type front axle steering angle adjusting device and adjusting method |
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| Publication Number | Publication Date |
|---|---|
| CN114952270A true CN114952270A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210600929.2A Pending CN114952270A (en) | 2022-05-30 | 2022-05-30 | Inner red point aiming type front axle steering angle adjusting device and adjusting method |
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| CN (1) | CN114952270A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB455440A (en) * | 1935-05-21 | 1936-10-21 | Dunlop Rubber Co | Improvements in testing wheel alignment |
| CN2722195Y (en) * | 2004-09-09 | 2005-08-31 | 中国重型汽车集团有限公司 | Special detector of steering node corner positioning adjustment |
| CN101334271A (en) * | 2008-06-18 | 2008-12-31 | 安徽巨一自动化装备有限公司 | Steering angle measuring apparatus calibration tool |
| CN201233227Y (en) * | 2008-06-18 | 2009-05-06 | 安徽巨一自动化装备有限公司 | Automobile steering angle measuring apparatus |
| CN102607471A (en) * | 2012-04-09 | 2012-07-25 | 湖北三环车桥有限公司 | Automobile front axle steering angle infrared measuring apparatus |
| JP2015013547A (en) * | 2013-07-04 | 2015-01-22 | ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ | Steering angle adjustment device |
| CN104482912A (en) * | 2014-12-09 | 2015-04-01 | 方盛车桥（柳州）有限公司 | Front axle steering angle measuring instrument |
| CN108955618A (en) * | 2018-08-02 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of preceding bridge rudder angle measurement equipment |
| CN111546042A (en) * | 2020-05-20 | 2020-08-18 | 中国重汽集团济南动力有限公司 | Heavy front axle kingpin press-fitting device and press-fitting process thereof |
| KR102246009B1 (en) * | 2020-12-16 | 2021-04-29 | 티아이씨(주) | Steering angle measurement tool for front axle of commercial vehicle |
| WO2022056973A1 (en) * | 2020-09-17 | 2022-03-24 | 西安华科光电有限公司 | Led emergent light adjusting mechanism and inner-red-dot aiming device therefor |
-
2022
- 2022-05-30 CN CN202210600929.2A patent/CN114952270A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB455440A (en) * | 1935-05-21 | 1936-10-21 | Dunlop Rubber Co | Improvements in testing wheel alignment |
| CN2722195Y (en) * | 2004-09-09 | 2005-08-31 | 中国重型汽车集团有限公司 | Special detector of steering node corner positioning adjustment |
| CN101334271A (en) * | 2008-06-18 | 2008-12-31 | 安徽巨一自动化装备有限公司 | Steering angle measuring apparatus calibration tool |
| CN201233227Y (en) * | 2008-06-18 | 2009-05-06 | 安徽巨一自动化装备有限公司 | Automobile steering angle measuring apparatus |
| CN102607471A (en) * | 2012-04-09 | 2012-07-25 | 湖北三环车桥有限公司 | Automobile front axle steering angle infrared measuring apparatus |
| JP2015013547A (en) * | 2013-07-04 | 2015-01-22 | ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ | Steering angle adjustment device |
| CN104482912A (en) * | 2014-12-09 | 2015-04-01 | 方盛车桥（柳州）有限公司 | Front axle steering angle measuring instrument |
| CN108955618A (en) * | 2018-08-02 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of preceding bridge rudder angle measurement equipment |
| CN111546042A (en) * | 2020-05-20 | 2020-08-18 | 中国重汽集团济南动力有限公司 | Heavy front axle kingpin press-fitting device and press-fitting process thereof |
| WO2022056973A1 (en) * | 2020-09-17 | 2022-03-24 | 西安华科光电有限公司 | Led emergent light adjusting mechanism and inner-red-dot aiming device therefor |
| KR102246009B1 (en) * | 2020-12-16 | 2021-04-29 | 티아이씨(주) | Steering angle measurement tool for front axle of commercial vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 杨美兰: "重型车前桥转向角度检具的优化设计", 现代零部件, no. 7, pages 44 - 45 * |
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