CN109554997B - Shading device of vehicle-mounted pavement crack detection system based on eccentric link mechanism - Google Patents
Shading device of vehicle-mounted pavement crack detection system based on eccentric link mechanism Download PDFInfo
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- CN109554997B CN109554997B CN201910073182.8A CN201910073182A CN109554997B CN 109554997 B CN109554997 B CN 109554997B CN 201910073182 A CN201910073182 A CN 201910073182A CN 109554997 B CN109554997 B CN 109554997B
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- bevel gear
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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Abstract
The invention discloses a shading device of a vehicle-mounted pavement crack detection system based on an eccentric link mechanism, and aims to solve the shading problem of the vehicle-mounted pavement crack detection system based on the eccentric link mechanism. A shading device of a vehicle-mounted pavement crack detection system based on an eccentric link mechanism mainly comprises a shading plate (1), a shading plate fixing piece (2), a base (3), a connecting rod (4), a threaded end cover (5), a motor (6), a bevel gear (7), an eccentric wheel (8), a shaft fixing piece (10), a bevel gear shaft (11) and a connecting rod connecting shaft (12). A round hole of a boss of the eccentric wheel (8) is sleeved at the end part of the bevel gear shaft (11), and a bolt penetrates through a threaded hole in the side face of the boss of the eccentric wheel (8) to be fixedly connected with a threaded hole in the end part of the bevel gear shaft (11) in a threaded manner, so that the shading device of the vehicle-mounted pavement crack detection system based on the eccentric link mechanism is simple in structure and reliable in performance.
Description
Technical Field
The invention relates to auxiliary equipment of detection equipment in the field of traffic detection, in particular to a shading device of a vehicle-mounted pavement crack detection system based on an eccentric link mechanism.
Background
With the rapid increase of traffic volume, the damage speed of roads is increased day by day, and the road surface crack is taken as a very common road surface damage, and forms a very serious threat to the use and the driving safety of the road. Therefore, it is very important to detect the crack of the road surface. When the vehicle-mounted pavement crack detection system detects cracks, light rays have an important influence on the collection effect of collected pavement images. Therefore, the automatic shading system has important application value for detecting the cracks on the road surface. The eccentric link mechanism has the advantages of simple structure and convenient design, and the shading adjustment of the vehicle-mounted pavement crack detection system is realized by adopting the eccentric link mechanism.
Disclosure of Invention
Aiming at the problem that light rays can have important influence on the acquisition effect of the acquired pavement images, the shading device is designed by adopting an eccentric link mechanism which is low in cost, simple in structure and convenient to operate. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism drives the bevel gear to rotate through the motor, and then after power is transmitted to the eccentric wheel through bevel gear transmission, the eccentric wheel rotates to push the connecting rod to move back and forth, so that the connecting rod pushes the shading plate to move back and forth, and therefore the shading effect of external light entering the vehicle-mounted road surface crack detection system is achieved.
Referring to fig. 1 to 14, to solve the above technical problem, the present invention is implemented by the following technical solutions. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric connecting rod mechanism comprises a shading plate, a shading plate fixing piece, a base, a connecting rod, a threaded end cover, a motor, a bevel gear, an eccentric wheel, a shaft fixing piece, a bevel gear shaft and a connecting rod connecting shaft.
The base is placed on a horizontal ground, a thrust ball bearing is pressed into a stepped hole of the base and is in interference fit with the base, the outer side end face of the thrust ball bearing is in surface contact with the end face of the stepped hole of the base, the other end of a bevel gear shaft is pressed into an inner hole of the thrust ball bearing and is in interference fit with the thrust ball bearing, a shaft fixing piece is sleeved into a bevel gear shaft along the axis direction of the bevel gear shaft, the inner hole of the shaft fixing piece is in large clearance fit with the bevel gear shaft, the inner surface of the shaft fixing piece is in large clearance fit with the thrust ball bearing, a bolt penetrates through a round hole of the shaft fixing piece and is fixedly connected with a threaded hole of the base in a threaded manner, a bevel gear is sleeved on an output shaft of a motor and is connected with a key of the motor, another bevel gear is sleeved on the bevel gear shaft and is, the bolt passes the screw hole of eccentric wheel boss side and the screw hole screw thread fixed connection of bevel gear axle tip, the connecting rod connecting axle lower extreme is placed in the round hole of another boss of eccentric wheel, the bolt passes the screw hole of eccentric wheel boss side and the screw hole screw thread fixed connection of connecting rod connecting axle, light screen mounting and base welded connection, the long and thin billet of light screen is placed between two long and thin steel sheets at light screen mounting top and is moved fit sliding connection with light screen mounting, the round hole of connecting rod one end is articulated with the round hole of the long and thin billet of light screen and is connected, the round hole suit of the connecting rod other end is at the top of connecting rod connecting axle and the big clearance fit of connecting rod connecting axle.
The light screen in the technical scheme is a part formed by welding a rectangular steel plate and a slender steel bar processed with a round hole.
In the technical scheme, the light screen fixing piece is a part formed by welding a square box welded by a rectangular steel plate and two long and thin steel plates arranged in parallel at the top.
The base in the technical scheme is a rectangular part made of a rectangular steel plate, and a stepped hole and a group of threaded holes are machined in the surface of the rectangular part.
In the technical scheme, the connecting rod is a slender steel bar with round holes processed at two ends.
The threaded end cover in the technical scheme is a steel round part with a threaded through hole machined in the center.
The motor in the technical scheme is a stepping motor.
The bevel gear in the technical scheme is a standard steel bevel gear.
The eccentric wheel in the technical scheme is made of a round steel plate, two round bosses are machined on the surface of the eccentric wheel, round holes are machined in the centers of the two bosses, and a group of threaded holes are machined in the side faces of the two bosses.
In the technical scheme, the shaft fixing part is a stepped cylindrical thin-wall part with a group of uniformly distributed round holes machined at the bottom.
In the technical scheme, the bevel gear shaft is a stepped circular shaft with a thick middle part and two thin ends, and one end of the bevel gear shaft is provided with a key groove and a group of threaded holes.
The connecting rod connecting shaft in the technical scheme is a round shaft with a thread processed at the top and a thread through hole processed at the lower end.
The invention has the beneficial effects that:
(1) according to the invention, the motor drives the bevel gear to rotate, the bevel gear drives the eccentric wheel to rotate, and the eccentric wheel drives the connecting rod mechanism to move back and forth, so that the connecting rod pushes the shading plate to move back and forth, and the shading effect on external light entering the vehicle-mounted pavement crack detection system is realized. The device simple structure, convenient operation, operation are stable, can accomplish the supplementary shading work when on-vehicle road surface crack detecting system detects the crackle by accurate efficient.
(2) The main parts of the invention are processed by adopting standard section steel, the structure of the parts is simple, the mechanical processing procedures are few, the processing is easy, and the production cost is low. Secondly, the adopted standard section steel has certain strength, can not deform in long-term use, and can ensure the good light shading effect of the device.
Drawings
FIG. 1 is an isometric view of a shading device of an eccentric link mechanism based vehicle pavement crack detection system;
fig. 2 is a partial sectional view of a light shielding plate fixing member 2, a base 3, a motor 6, a bevel gear 7, an eccentric wheel 8, a shaft fixing member 10, a bevel gear shaft 11 and a connecting rod connecting shaft 12 of a shading device of the vehicle-mounted road surface crack detecting system based on the eccentric link mechanism;
fig. 3 is a partial sectional view of an eccentric wheel 8, a shaft fixing member 10, a bevel gear shaft 11 and a link connecting shaft 12 in a shading device of a vehicle-mounted road surface crack detection system based on an eccentric link mechanism;
fig. 4 is an axonometric view of a light shielding plate 1 in a shading device of an on-vehicle road surface crack detecting system based on an eccentric link mechanism;
fig. 5 is an isometric view of a light-shielding plate fixing member 2 in a shading device of an on-vehicle road surface crack detection system based on an eccentric link mechanism;
fig. 6 is an axonometric view of the base 3 in the shading device of the vehicle-mounted road surface crack detecting system based on the eccentric link mechanism;
fig. 7 is an isometric view of a link 4 in a shading device of a vehicle-mounted road surface crack detection system based on an eccentric link mechanism;
fig. 8 is an isometric view of the threaded end cap 5 in the shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism;
fig. 9 is an isometric view of the motor 6 in the shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism;
fig. 10 is an isometric view of a bevel gear 7 in a shading device of the vehicle-mounted road surface crack detection system based on an eccentric link mechanism;
fig. 11 is an isometric view of an eccentric wheel 8 in a shading device of the vehicle-mounted road surface crack detection system based on an eccentric link mechanism;
fig. 12 is an isometric view of a shaft fixing member 10 in a shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism;
fig. 13 is an isometric view of the bevel gear shaft 11 in the shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism;
fig. 14 is an isometric view of a link connecting shaft 12 in a shade apparatus of the vehicle-mounted road surface crack detecting system based on the eccentric link mechanism;
in the figure: 1. the sun visor comprises a sun visor body, 2. sun visor fixing parts, 3. a base, 4. a connecting rod, 5. a threaded end cover, 6. a motor, 7. a bevel gear, 8. an eccentric wheel, 10. a shaft fixing part, 11. a bevel gear shaft and 12. a connecting rod connecting shaft.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 to 14, the shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism comprises a shading plate 1, a shading plate fixing piece 2, a base 3, a connecting rod 4, a threaded end cover 5, a motor 6, a bevel gear 7, an eccentric wheel 8, a shaft fixing piece 10, a bevel gear shaft 11 and a connecting rod connecting shaft 12.
The base 3 is a rectangular part made of a rectangular steel plate, a stepped hole and a group of threaded holes are processed on the surface, the base 3 is placed on the horizontal ground, a thrust ball bearing is pressed into the stepped hole of the base 3 and is in interference fit with the base 3, the outer side end face of the thrust ball bearing is in surface contact with the end face of the stepped hole of the base 3, a bevel gear shaft 11 is a stepped round shaft with a thick middle part and thin two ends, a key groove and a group of threaded holes are processed at one end of the bevel gear shaft 11, the other end of the bevel gear shaft 11 is pressed into an inner hole of the thrust ball bearing and is in interference fit with the thrust ball bearing, a shaft fixing part 10 is a stepped cylindrical thin-wall part with a group of uniformly distributed round holes processed at the bottom, the shaft fixing part 10 is sleeved into the bevel gear shaft 11 along the axial direction of the bevel gear shaft 11, an inner hole of the shaft fixing part 10 is in large clearance, the bevel gears 7 are standard steel bevel gears, the motor 6 is a stepping motor, one bevel gear 7 is sleeved on an output shaft of the motor 6 and is connected with the motor 6 in a key mode, the other bevel gear 7 is sleeved on a bevel gear shaft 11 and is connected with the bevel gear shaft 11 in a key mode, gear teeth of the two bevel gears 7 are meshed with each other, a bolt penetrates through a round hole in the bottom of the motor 6 and is fixedly connected with a threaded hole in the base 3 in a threaded mode, the eccentric wheel 8 is made of a round steel plate, two round bosses are machined on the surface of the eccentric wheel 8, round holes are machined in the centers of the two bosses, a group of threaded holes are machined in the side faces of the two bosses, the round hole of one boss of the eccentric wheel 8 is sleeved on the end portion of the bevel gear shaft 11, the bolt penetrates through the threaded hole in the side face of the boss of the eccentric wheel 8 and is, the bolt penetrates through a threaded hole in the side face of a boss of the eccentric wheel 8 and is fixedly connected with a threaded hole in a connecting rod connecting shaft 12 in a threaded manner, a light screen fixing piece 2 is a part formed by welding a square box welded by a rectangular steel plate and two slender steel plates arranged in parallel at the top, the light screen fixing piece 2 is welded with a base 3, a light screen 1 is a part formed by welding a rectangular steel plate and a slender steel bar provided with a round hole, the slender steel bar of the light screen 1 is arranged between the two slender steel plates arranged at the top of the light screen fixing piece 2 and is in movable fit sliding connection with the light screen fixing piece 2, a connecting rod 4 is a slender steel bar provided with round holes at two ends, a round hole at one end of the connecting rod 4 is hinged with the round hole of the slender steel bar of the light screen 1, a round hole at the other end of the connecting rod, the threaded end cover 5 is fixedly connected with the top thread of the connecting rod connecting shaft 12.
The use method of the shading device of the vehicle-mounted pavement crack detection system based on the eccentric link mechanism comprises the following steps:
the shading device of the vehicle-mounted pavement crack detection system based on the eccentric link mechanism is placed on the horizontal ground. The motor is started, the bevel gear is driven by the motor to rotate, the bevel gear drives the eccentric wheel to rotate, the eccentric wheel rotates to drive the connecting rod to move back and forth, and therefore the connecting rod pushes the light screen to move back and forth, the illumination intensity under the camera is adjusted, and the auxiliary light shading effect of the light screen on the vehicle-mounted pavement crack detection system is achieved.
Claims (8)
1. A shading device of a vehicle-mounted road surface crack detection system based on an eccentric link mechanism is characterized by comprising a shading plate (1), a shading plate fixing piece (2), a base (3), a connecting rod (4), a threaded end cover (5), a motor (6), a bevel gear (7), an eccentric wheel (8), a shaft fixing piece (10), a bevel gear shaft (11) and a connecting rod connecting shaft (12); the base (3) is placed on a horizontal ground, a thrust ball bearing is pressed into a stepped hole of the base (3) and is in interference fit with the base (3), the outer side end face of the thrust ball bearing is in surface contact with the end face of the stepped hole of the base (3), the other end of a bevel gear shaft (11) is pressed into an inner hole of the thrust ball bearing and is in interference fit with the thrust ball bearing, a shaft fixing piece (10) is sleeved into the bevel gear shaft (11) along the axial direction of the bevel gear shaft (11), the inner hole of the shaft fixing piece (10) is in large clearance fit with the bevel gear shaft (11), the inner surface of the shaft fixing piece (10) is in large clearance fit with the thrust ball bearing, a bolt penetrates through a round hole of the shaft fixing piece (10) and is in threaded fixed connection with a threaded hole of the base (3), one bevel gear (7) is sleeved on an output shaft of a motor (6) and is in key connection, the gear teeth of two bevel gears (7) are meshed with each other, a bolt passes through a round hole at the bottom of a motor (6) and is fixedly connected with a threaded hole of a base (3) in a threaded manner, a round hole of a boss of an eccentric wheel (8) is sleeved at the end part of a bevel gear shaft (11), the bolt passes through a threaded hole at the side face of the boss of the eccentric wheel (8) and is fixedly connected with a threaded hole at the end part of the bevel gear shaft (11), the lower end of a connecting rod connecting shaft (12) is placed in a round hole of the other boss of the eccentric wheel (8), the bolt passes through a threaded hole at the side face of the boss of the eccentric wheel (8) and is fixedly connected with a threaded hole of the connecting rod connecting shaft (12), a shading plate fixing piece (2) is welded with the base (3), a round hole at one end of a connecting rod (4) is hinged with a round hole of a slender steel bar, a round hole at the other end of the connecting rod (4) is sleeved at the top of the connecting rod connecting shaft (12) and is in large clearance fit with the connecting rod connecting shaft (12), and the threaded end cover (5) is fixedly connected with the top thread of the connecting rod connecting shaft (12); the shaft fixing piece (10) is a stepped cylindrical thin-wall part with a group of uniformly distributed round holes at the bottom; bevel gear axle (11) be the thin notch cuttype circle axle in the thick both ends in middle part, the one end processing of bevel gear axle 11 has keyway and a set of screw hole.
2. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, wherein the shading plate (1) is a part formed by welding a rectangular steel plate and an elongated steel bar processed with a round hole.
3. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, characterized in that the shading plate fixing piece (2) is a part formed by welding a square box welded by a rectangular steel plate and two long and thin steel plates arranged in parallel at the top.
4. The shading device of the on-board road surface crack detecting system based on the eccentric link mechanism as claimed in claim 1, wherein the base (3) is a rectangular part made of a rectangular steel plate, and a stepped hole and a set of threaded holes are formed on the surface.
5. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, wherein the threaded end cover (5) is a steel round part with a threaded through hole processed in the center.
6. The shading device of the on-board road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, wherein the bevel gear (7) is a standard steel bevel gear.
7. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, wherein the eccentric wheel (8) is made of a round steel plate, two round bosses are machined on the surface of the eccentric wheel, a round hole is machined in the center of the two bosses, and a group of threaded holes are machined in the side surfaces of the two bosses.
8. The shading device of the vehicle-mounted road surface crack detection system based on the eccentric link mechanism as claimed in claim 1, wherein the link connecting shaft (12) is a circular shaft with a top portion processed with a thread and a lower end processed with a thread through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073182.8A CN109554997B (en) | 2019-01-25 | 2019-01-25 | Shading device of vehicle-mounted pavement crack detection system based on eccentric link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073182.8A CN109554997B (en) | 2019-01-25 | 2019-01-25 | Shading device of vehicle-mounted pavement crack detection system based on eccentric link mechanism |
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| Publication Number | Publication Date |
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| CN109554997A CN109554997A (en) | 2019-04-02 |
| CN109554997B true CN109554997B (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910073182.8A Expired - Fee Related CN109554997B (en) | 2019-01-25 | 2019-01-25 | Shading device of vehicle-mounted pavement crack detection system based on eccentric link mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112832098A (en) * | 2021-01-05 | 2021-05-25 | 中建二局土木工程集团有限公司 | Municipal administration road surface shovels except that device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205749256U (en) * | 2016-07-05 | 2016-11-30 | 吉林大学 | Vehicle-mounted road surface flaw detection system swinging light shielding device |
| CN107866372A (en) * | 2017-12-25 | 2018-04-03 | 郑州丽福爱生物技术有限公司 | A kind of rocking type aggregate screening device |
| CN107931228A (en) * | 2017-12-27 | 2018-04-20 | 郑州格瑞塔电子信息技术有限公司 | A kind of exploitation of mineral resources ore cleaning device |
| CN108284071A (en) * | 2018-01-10 | 2018-07-17 | 巢湖学院 | A kind of adjustable accurate fruit classification device |
| CN108357921A (en) * | 2018-01-25 | 2018-08-03 | 江苏理工学院 | A kind of eccentric wheel feed device |
-
2019
- 2019-01-25 CN CN201910073182.8A patent/CN109554997B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205749256U (en) * | 2016-07-05 | 2016-11-30 | 吉林大学 | Vehicle-mounted road surface flaw detection system swinging light shielding device |
| CN107866372A (en) * | 2017-12-25 | 2018-04-03 | 郑州丽福爱生物技术有限公司 | A kind of rocking type aggregate screening device |
| CN107931228A (en) * | 2017-12-27 | 2018-04-20 | 郑州格瑞塔电子信息技术有限公司 | A kind of exploitation of mineral resources ore cleaning device |
| CN108284071A (en) * | 2018-01-10 | 2018-07-17 | 巢湖学院 | A kind of adjustable accurate fruit classification device |
| CN108357921A (en) * | 2018-01-25 | 2018-08-03 | 江苏理工学院 | A kind of eccentric wheel feed device |
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| CN109554997A (en) | 2019-04-02 |
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Granted publication date: 20200529 Termination date: 20220125 |