CN114062707A - Wheel speed measuring device - Google Patents
Wheel speed measuring device Download PDFInfo
- Publication number
- CN114062707A CN114062707A CN202111311973.3A CN202111311973A CN114062707A CN 114062707 A CN114062707 A CN 114062707A CN 202111311973 A CN202111311973 A CN 202111311973A CN 114062707 A CN114062707 A CN 114062707A
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- China
- Prior art keywords
- wheel speed
- sleeve
- brake caliper
- mounting plate
- abs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a wheel speed measuring device, which relates to the technical field of automobile wheel rim structures and comprises a gear ring and an ABS (anti-lock brake system) wheel speed sensor, wherein the gear ring is fixed in a brake disc; the position of the sleeve close to the brake disc is provided with a position avoiding opening. The invention solves the problems of complex structural design, large occupied space, high cost and low assembly efficiency of the conventional ABS wheel speed measuring device.
Description
Technical Field
The invention relates to the technical field of automobile wheel rim structures, in particular to a wheel speed measuring device of a disc type rear axle ABS system.
Background
An ABS system, i.e. an anti-lock braking system, is an important system widely used in automobiles, and during the braking process of the automobile, the ABS system can automatically adjust and control the magnitude of the braking force of the brake, thereby preventing the wheels from locking, and obtaining the best braking effect. The ABS system wheel speed measuring device comprises a gear ring and an ABS wheel speed sensor, wherein the ABS wheel speed sensor is an important element of the ABS system and is used for detecting the rotating speed of a wheel, the ABS wheel speed sensor acquires a gear ring output signal rotating synchronously with the wheel and transmits the output signal to an ABS electronic control unit to calculate and judge the slip state of the wheel, the wheel speed is monitored in real time, and when the ABS electronic control unit detects that the wheel has a locking tendency, the braking force of a braking system is regulated and controlled. As shown in fig. 1 to 5, all conventional ABS wheel speed sensors 104 are fixed by using ABS fixing brackets 103, the ABS fixing brackets 103 are fastened and mounted on caliper mounting plates 102 by bolts and elastic pads, the caliper mounting plates 102 radially extend outward to form two lugs 102-1 protruding out of an axle housing flange 101 as ABS fixing bracket mounting surfaces, during manufacturing, the caliper mounting plates 102 need to be processed with the ABS fixing bracket mounting surfaces, mounting threaded holes are drilled in the mounting surfaces, and then the ABS fixing brackets 103 are fixed on the caliper mounting plates 102 by the bolts and the elastic pads. The gear ring 106 is fixed in the brake disc 105 through a bolt, the end face of the induction tooth of the gear ring 106 is flush with the end face of the brake disc 105, the probe 104-1 of the ABS wheel speed sensor 104 penetrates through the ABS fixing support 103 to be opposite to the induction tooth of the gear ring 106, the relative clearance between the ABS wheel speed sensor 104 and the gear ring 106 cannot be too large, and when the distance of the installation position of the gear ring 106 is far, the ABS fixing support 103 needs to be designed to be very high so as to meet the use requirement. The wheel speed measuring device with the structure has the following defects: 1. the brake caliper mounting plate is required to be designed with the ABS fixing support mounting bolt hole, the brake caliper mounting plate and the ABS fixing support are complex in structural design, production material consumption is increased, the number of assembly procedures is large, operation is complex, and efficiency is low; 2. the ABS fixed support radially protrudes out of the axle housing flange plate, and the occupied space for installing an ABS wheel speed sensor is large; 3. the probe of the ABS wheel speed sensor is outside the brake disc, the induction tooth end surface of the gear ring is flush with the brake disc, which is not beneficial to protecting the gear ring and the ABS wheel speed sensor and influencing the accuracy of wheel speed measurement, and the probe of the sensor is easy to interfere with the brake disc and a gear ring fixing screw; 3. the ABS fixing bracket mounting surface and the mounting threaded hole have high machining precision requirement and high machining cost; 4. The ABS fixed support needs to be fastened through bolts and elastic cushions, so that the parts are more in assembly process, long in operation time, inconvenient to install, space-occupying and high in part cost, and the vehicle is easy to loosen during running and shaking; 5. the ABS fixed bolster mounted position angle is fixed, leads to the fast sensor mounted angle position of ABS wheel to be adjustable, can not satisfy different customer demands.
Disclosure of Invention
The invention aims to provide a wheel speed measuring device, and the mounting plate can solve the problems of complex structural design, large occupied space, high cost and low assembly efficiency of the conventional ABS system wheel speed measuring device.
In order to solve the problems, the invention adopts the technical scheme that: the wheel speed measuring device comprises a gear ring and an ABS wheel speed sensor, wherein the gear ring is fixed in a brake disc, the ABS wheel speed sensor is installed on a brake caliper mounting plate, a positioning opening is formed in the brake caliper mounting plate, a sleeve is fixedly welded in the positioning opening, a guide opening corresponding to the positioning opening is formed in an axle housing flange plate connected with the brake caliper mounting plate, and a probe of the ABS wheel speed sensor penetrates through the sleeve from the guide opening and the positioning opening and extends into the brake disc to be opposite to the gear ring sunk into the brake disc; and a position avoiding opening is formed in the position, close to the brake disc, of the sleeve.
In the above technical solution of the wheel speed measuring device, a more specific technical solution may also be: the distance from one welded end of the sleeve to the gear ring is smaller than the length of the probe, and the depth of the sleeve extending into the positioning opening is smaller than one fourth of the depth of the positioning opening.
Further, the free end of the sleeve extends into the brake disc.
Further, the ring gear has a radially inward mounting ring, and the ring gear is fixedly connected to the brake disc by a fastening bolt passing through the mounting ring and a ring gear positioning portion of the brake disc.
Further, the bolt head of the fastening bolt is lower than the outer end face of the end face induction tooth of the gear ring.
Further, the diameter of the probe is larger than the radial length of the end face induction tooth, and the probe is deviated to the inner edge of the end face induction tooth.
Furthermore, a plurality of flange connecting holes on the brake caliper mounting plate are symmetrically arranged on two sides of the positioning hole in two groups, and the hole distances between the flange connecting holes or between the flange connecting holes and the sleeve on the same circumference are the same; the brake caliper connecting holes of the same side wing on the brake caliper mounting plate are arranged in an isosceles triangle shape.
Furthermore, the positioning hole is offset on one side of the center line of the surface of the brake caliper mounting plate, and only one flange connecting hole is positioned between the brake caliper connecting holes on the two side wings of the brake caliper mounting plate.
Furthermore, a weight reduction notch is arranged between the brake caliper connecting hole and the shaft hole which are positioned at the inner part of the brake caliper mounting plate.
Furthermore, the sleeve is welded and fixed in a spot welding mode.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the sleeve for fixing the probe of the ABS wheel speed sensor is directly welded on the brake mounting plate to be integrated, corresponding openings are formed in the mounting plate and the axle housing flange for positioning and mounting, the structure is simple and compact, the occupied space is small, the ABS fixing bracket does not need to be disassembled and assembled in the process of assembling a rear axle assembly and after-sale maintenance, the assembling process is reduced, the assembling efficiency is improved, the labor intensity and the production cost are reduced, and the operation is simple, convenient and quick; the sinking structure of the gear ring and the probe can play an effective protection role when extending into the brake disc, thereby reducing the phenomenon that mud or small stones splashed during the running process are clamped into the gear ring and ensuring the accuracy and reliability of speed measurement; the position avoiding opening is formed in the sleeve, so that the requirement on compact structure can be met, the interference is avoided, and the sleeve is firmer and is not easy to loosen.
2. The sleeve pipe is in the deep position of welding in the brake caliper mounting panel locating hole to and the relative length of sleeve pipe and probe, the fast sensor of ABS wheel that can compatible different specifications carries out the front and back regulation when being convenient for install the probe, avoids machining error to cause the probe can not be right with the ring gear.
3. The sleeve extends into the brake disc, so that the probe can be better protected, and the probe can be more firmly fixed.
4. The gear ring mounting ring is arranged radially inwards, so that the wheel edge structure is more compact, and the space is saved.
5. The gear ring fastening bolt does not exceed the end face of the induction tooth, and can avoid interference with the probe.
6. The arrangement of each connecting hole on the brake caliper mounting plate is easy to process and assemble.
7. The position design of the weight reduction notch on the brake caliper mounting plate can enlarge the weight reduction notch, increase the weight reduction and reduce.
8. The sleeve is fixed by spot welding, and the operation and the maintenance are convenient.
Drawings
Fig. 1 is a schematic view of an assembly structure of a conventional wheel speed measuring apparatus.
Fig. 2 is a schematic view of fig. 1 from P.
Fig. 3 is a schematic structural view of the caliper mounting plate in fig. 2.
Fig. 4 is a schematic structural view of the ABS fixing bracket of fig. 2.
Fig. 5 is a bottom view of fig. 4.
Fig. 6 is a schematic view of an assembled structure of the present wheel speed measuring apparatus.
Fig. 7 is an enlarged view at a in fig. 6.
Fig. 8 is a structural schematic view of the brake caliper mounting plate in fig. 6.
Fig. 9 is a top view of fig. 8.
Fig. 10 is a schematic view of direction B in fig. 8.
Detailed Description
The invention will be further described in detail with reference to the following examples:
the wheel speed measuring device shown in fig. 6 and 7 mainly comprises a gear ring 6, an ABS wheel speed sensor 4 and a brake caliper mounting plate 1 with a sleeve 3, wherein the sleeve 3 is used for mounting a probe 4-1 of the ABS wheel speed sensor 4, a positioning opening 1-1 is formed at the edge of the brake caliper mounting plate 1, and one end of the sleeve 3 is welded and fixed in the positioning opening 1-1 by spot welding. The brake caliper mounting plate 1 is fixedly connected with the axle housing flange 3 through bolts, for the purposes of compact structure and convenient installation, a guide port 2-1 corresponding to a positioning port 1-1 of the brake caliper mounting plate 1 is formed in the axle housing flange 3, and a probe 4-1 of the ABS wheel speed sensor 4 penetrates through the sleeve 3 from the guide port 2-1 of the axle housing flange 2 and the positioning port 1-1 of the brake caliper mounting plate 1 and extends into the brake disc 5 to be opposite to a gear ring 6 sunk into the brake disc 5. A part of the free end of the sleeve 3 also extends into the brake disc 5, a position avoiding opening 3-1 is arranged at the position of the sleeve 5 close to the brake disc 5, and an elastic sleeve is clamped between the sleeve 3 and the probe 4-1 to fasten the probe and avoid the axial transmission of the probe. End face sensing teeth 6-1 are uniformly distributed on the outer end face of the ring body 6-2 along the circumference of the ring body 6-2, a radially inward mounting ring 6-3 is connected to the inner end of the ring body 6-2, the ring body 6 is fixedly connected with the brake disc 5 through a fastening bolt 7 penetrating through the mounting ring 6-3 and a ring gear positioning portion of the brake disc 5, a groove for accommodating a bolt head of the fastening bolt 7 is formed in an inner cavity of the ring body 6-2 between the end face sensing teeth 6-1 and the mounting ring 6-3, the axial length of the bolt head is smaller than the depth of the groove, and after the fastening bolt 7 is mounted in place, the bolt head of the fastening bolt 7 is lower than the outer end face of the end face sensing teeth 6-1 of the ring body 6, so that the fastening bolt 7 cannot interfere with a probe 4-1 of the ABS wheel speed sensor 4. The diameter of a probe 4-1 of the ABS wheel speed sensor 4 is larger than the radial length of the end face sensing tooth 6-1, the probe 4-1 deviates to the inner edge of the end face sensing tooth 6-1, and the lower side of the probe 4-1 and the outer edge of the end face sensing tooth 6-1 are slightly staggered by a small distance in the radial direction, so that the ABS wheel speed sensor 4 accurately detects a wheel speed transmission wheel speed signal, and the measurement accuracy cannot be influenced even if small sundries are clamped on a gear ring 6.
As shown in fig. 8 to 10, the positioning opening 1-1 of the brake caliper mounting plate 1 is offset to one side of the center line of the plate surface of the brake caliper mounting plate 1, one end of the sleeve 3 fixed by welding is close to the plate surface of the brake caliper mounting plate 1 facing the gear ring 6, the distance from the welded end of the sleeve 3 to the gear ring 6 is less than the length of the probe 4-1, the depth of the sleeve 3 extending into the positioning opening 1-1 is less than one fourth of the depth of the positioning opening 1-1, and only the deep position required by welding and fixing needs to be ensured. The probe 4-1 of the ABS wheel speed sensor 4 can be adjusted back and forth along the axial direction, finish machining is not needed, and the adjustment of the probe cannot be influenced even if machining errors exist. When the ABS wheel speed sensor is installed, the probe 4-1 of the ABS wheel speed sensor 4 is pushed to be in contact with the end face induction teeth 6-1 of the gear ring 6, end jump of the gear ring 6 and a hub bearing gap push the probe 4-1 away, and a gap is formed between the probe 4-1 and the gear ring 6. Too large or too small clearance can influence the collection of wheel speed signal, just at this moment need follow the axial front and back adjustment probe position, improve the sensitivity, survey accurate wheel speed. The position angle of the sleeve 3 is adjusted through welding, the requirement of different customers on the installation position angle of the ABS wheel speed sensor 4 can be met, the platform is suitable for a plurality of bridges, and the universality is high. Two side wings on the brake caliper mounting plate 1 are respectively provided with three brake caliper connecting holes 1-2, and the brake caliper connecting holes 1-2 of the same side wing are arranged in an isosceles triangle shape; a plurality of flange connecting holes 1-1 on the brake caliper mounting plate 1 are symmetrically arranged on two sides of a sleeve 3 in two groups, the distance between the flange connecting holes 1-1 or the distance between the flange connecting holes 1-1 and the sleeve 3 on the same circumference is the same, the flange connecting holes 1-1 are arranged at positions far away from the brake caliper connecting holes 1-2 as far as possible, and only one flange connecting hole 1-1 is arranged between the brake caliper connecting holes 1-2 on two side wings of the brake caliper mounting plate 1 according to the arrangement and connection requirements. A large weight-reducing gap 1-3 is also arranged between the brake caliper connecting hole 1-2 and the shaft hole which are arranged in the brake caliper mounting plate 1, so that the whole weight and the cost of the device can be reduced.
The wheel speed measuring device is used for directly welding the sleeve 3 for fixing the probe 4-1 of the ABS wheel speed sensor 4 on the brake caliper mounting plate 1, the ABS wheel speed sensor 4 is directly assembled in the sleeve 3, bolts and elastic pads of an ABS fixed support and a fixed support do not need to be additionally arranged, the ABS fixed support mounting bolt hole position does not need to be designed on the movable caliper mounting plate, the ABS fixed support mounting surface and the mounting bolt hole do not need to be machined on a machine tool, the wheel speed measuring device is simple in structure, compact in structure, easy to assemble and low in cost, and the angle of the mounting position of the ABS wheel speed sensor can be adjusted according to requirements.
Claims (10)
1. The utility model provides a wheel speed measuring device, includes the fast sensor of ring gear and ABS wheel, the ring gear is fixed in the brake disc, the fast sensor of ABS wheel is installed on braking pincers mounting panel, its characterized in that: the brake caliper mounting plate is provided with a positioning opening, a sleeve is fixedly welded in the positioning opening, a guide opening corresponding to the positioning opening is formed in a bridge flange of the axle housing connected with the brake caliper mounting plate, and a probe of the ABS wheel speed sensor penetrates through the sleeve from the guide opening and the positioning opening and extends into the brake disc to be opposite to the gear ring sunk into the brake disc; and a position avoiding opening is formed in the position, close to the brake disc, of the sleeve.
2. The wheel speed measurement device of claim 1, wherein: the distance from one welded end of the sleeve to the gear ring is smaller than the length of the probe, and the depth of the sleeve extending into the positioning opening is smaller than one fourth of the depth of the positioning opening.
3. The wheel speed measurement device of claim 2, wherein: the free end of the sleeve extends into the brake disc.
4. The wheel speed measurement device of claim 3, wherein: the gear ring is provided with a mounting ring which is arranged radially inwards, and the gear ring is fixedly connected with the brake disc through fastening bolts which penetrate through the mounting ring and the gear ring positioning part of the brake disc.
5. The wheel speed measurement device of claim 4, wherein: the bolt head of the fastening bolt is lower than the outer end face of the end face induction tooth of the gear ring.
6. The wheel speed measurement device according to any of claims 1 to 5, characterized in that: the diameter of the probe is larger than the radial length of the end face induction tooth, and the probe deflects to the inner edge of the end face induction tooth.
7. The wheel speed measurement device of claim 6, wherein: the flange connecting holes on the brake caliper mounting plate are symmetrically arranged on two sides of the positioning hole in two groups, and the hole distances between the flange connecting holes or between the flange connecting holes and the sleeve on the same circumference are the same; the brake caliper connecting holes of the same side wing on the brake caliper mounting plate are arranged in an isosceles triangle shape.
8. The wheel speed measurement device of claim 7, wherein: the positioning hole is offset to one side of the center line of the surface of the brake caliper mounting plate, and only one flange connecting hole is positioned between the brake caliper connecting holes of the two side wings of the brake caliper mounting plate.
9. The wheel speed measurement device of claim 8, wherein: and a weight reduction notch is arranged between the brake caliper connecting hole and the shaft hole which are positioned in the brake caliper mounting plate.
10. The wheel speed measurement device of claim 9, wherein: the sleeve is welded and fixed in a spot welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111311973.3A CN114062707A (en) | 2021-11-08 | 2021-11-08 | Wheel speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111311973.3A CN114062707A (en) | 2021-11-08 | 2021-11-08 | Wheel speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114062707A true CN114062707A (en) | 2022-02-18 |
Family
ID=80274135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111311973.3A Pending CN114062707A (en) | 2021-11-08 | 2021-11-08 | Wheel speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114062707A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020175258A1 (en) * | 2001-05-23 | 2002-11-28 | White Jay D. | Bracket for anti-lock braking system sensor |
| CN201923124U (en) * | 2011-01-04 | 2011-08-10 | 安徽福马车桥有限公司 | Mounting bracket for ABS sensor of automobile axle |
| CN202548138U (en) * | 2012-04-25 | 2012-11-21 | 东风德纳车桥有限公司 | ABS (Anti-lock Brake System) signal acquisition system |
| CN202764960U (en) * | 2012-09-28 | 2013-03-06 | 上汽依维柯红岩商用车有限公司 | Heavy-duty automobile anti-lock braking system (ABS) sensor installation support |
| CN203032666U (en) * | 2013-01-18 | 2013-07-03 | 开封畅丰车桥有限公司 | Anti-lock brake system (ABS) support |
| CN204124122U (en) * | 2014-10-15 | 2015-01-28 | 安徽江淮汽车股份有限公司 | Mounting support for wheel speed sensor and wheel speed sensors mounting structure |
| CN209296753U (en) * | 2019-02-21 | 2019-08-23 | 刘利锋 | A kind of fixed device of external ABS wheel speed information collection |
| CN111016863A (en) * | 2020-01-09 | 2020-04-17 | 江西江铃底盘股份有限公司 | Structure of automobile drive rear axle ABS induction mode |
| CN211138928U (en) * | 2019-12-12 | 2020-07-31 | 江西江铃底盘股份有限公司 | Oil brake disc type rear drive axle wheel rim structure of minibus |
| CN212808326U (en) * | 2020-09-27 | 2021-03-26 | 济南品佳汽车电子有限公司 | Axle ABS wheel speed detection device |
| CN214606920U (en) * | 2020-12-15 | 2021-11-05 | 一汽解放汽车有限公司 | Wheel speed sensor fixing support |
-
2021
- 2021-11-08 CN CN202111311973.3A patent/CN114062707A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020175258A1 (en) * | 2001-05-23 | 2002-11-28 | White Jay D. | Bracket for anti-lock braking system sensor |
| CN201923124U (en) * | 2011-01-04 | 2011-08-10 | 安徽福马车桥有限公司 | Mounting bracket for ABS sensor of automobile axle |
| CN202548138U (en) * | 2012-04-25 | 2012-11-21 | 东风德纳车桥有限公司 | ABS (Anti-lock Brake System) signal acquisition system |
| CN202764960U (en) * | 2012-09-28 | 2013-03-06 | 上汽依维柯红岩商用车有限公司 | Heavy-duty automobile anti-lock braking system (ABS) sensor installation support |
| CN203032666U (en) * | 2013-01-18 | 2013-07-03 | 开封畅丰车桥有限公司 | Anti-lock brake system (ABS) support |
| CN204124122U (en) * | 2014-10-15 | 2015-01-28 | 安徽江淮汽车股份有限公司 | Mounting support for wheel speed sensor and wheel speed sensors mounting structure |
| CN209296753U (en) * | 2019-02-21 | 2019-08-23 | 刘利锋 | A kind of fixed device of external ABS wheel speed information collection |
| CN211138928U (en) * | 2019-12-12 | 2020-07-31 | 江西江铃底盘股份有限公司 | Oil brake disc type rear drive axle wheel rim structure of minibus |
| CN111016863A (en) * | 2020-01-09 | 2020-04-17 | 江西江铃底盘股份有限公司 | Structure of automobile drive rear axle ABS induction mode |
| CN212808326U (en) * | 2020-09-27 | 2021-03-26 | 济南品佳汽车电子有限公司 | Axle ABS wheel speed detection device |
| CN214606920U (en) * | 2020-12-15 | 2021-11-05 | 一汽解放汽车有限公司 | Wheel speed sensor fixing support |
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