CN110231007B - Automobile engine camshaft position detection system - Google Patents
Automobile engine camshaft position detection system Download PDFInfo
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- CN110231007B CN110231007B CN201910537654.0A CN201910537654A CN110231007B CN 110231007 B CN110231007 B CN 110231007B CN 201910537654 A CN201910537654 A CN 201910537654A CN 110231007 B CN110231007 B CN 110231007B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the field of engines, in particular to a camshaft position detection system of an automobile engine, which aims at the problems that the prior detection mode adopts more manpower, the corresponding detection efficiency is low, and the detection precision is lower, and the following proposal is provided, wherein the camshaft position detection system comprises a base, a controller, a display, a comparison module, a hard disk and a displacement sensor, the controller is respectively connected with the displacement sensor and the comparison module, the comparison module is respectively connected with the hard disk and the display, two upright posts are symmetrically and fixedly arranged at the top of the base, and one side of the two upright posts close to each other is clamped with a same camshaft body. The detection efficiency is effectively improved, and the detection precision can be improved.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a camshaft position detection system of an automobile engine.
Background
With the continuous development of automobile production technology, the requirement of consumers on the automobile quality is higher and higher, the improvement of the overall quality of the automobile is the first great thing for automobile manufacturers, and a camshaft on an automobile engine is a component in a piston engine. Its function is to control the opening and closing action of the valve. Although the rotational speed of the camshaft is half of that of the crankshaft in a four-stroke engine (the rotational speed of the camshaft is the same as that of the crankshaft in a two-stroke engine), the rotational speed is still high in general and the camshaft is required to bear large torque, so that the camshaft is required to be high in strength and support in design, and the camshaft is usually made of special cast iron and occasionally forged. Because the valve motion law is related to the power and the running characteristics of an engine, the camshaft design occupies a very important position in the design process of the engine.
After the existing camshaft is produced, the position of a cam on the existing camshaft needs to be detected, so that the inconsistent distance between two adjacent cams can be prevented, but the existing detection mode still adopts more workers, the corresponding detection efficiency is low, and the detection precision is low, so that an automobile engine camshaft position detection system is provided for solving the problems.
Disclosure of Invention
Based on the technical problems that the existing detection mode is more manual, the corresponding detection efficiency is low, and the detection precision is low in the background technology, the invention provides a camshaft position detection system of an automobile engine.
The invention provides a camshaft position detection system of an automobile engine, which comprises a base, a controller, a display, a comparison module, a hard disk and a displacement sensor, wherein the controller is respectively connected with the displacement sensor and the comparison module, the comparison module is respectively connected with the hard disk and the display, two upright posts are symmetrically and fixedly arranged at the top of the base, one side, close to each other, of each upright post is clamped with the same camshaft body, one side of each upright post is connected with a limiting post in a sliding manner, the top of each limiting post is rotatably connected with a connecting post, the top of each connecting post is rotatably connected with a pressure lever, the two pressure levers are respectively rotatably connected with the top ends of the two upright posts, the two pressure levers are clamped, the bottom of each pressure lever is fixedly provided with an installation cover, the two installation covers are communicated, and a first limiting cover and a second limiting cover are respectively and fixedly, first spacing cover and second spacing cover are linked together, sliding connection has the installation pole in the first spacing cover, the bottom of installation pole extends to the below of installation cover and with displacement sensor fixed connection.
Preferably, the shifting chute has been seted up to the bottom of spacing post, sliding connection has the gag lever post in the shifting chute, the bottom of gag lever post extends to the below and fixed mounting of spacing post has splint, and two splint all press from both sides the dress with the camshaft body mutually, fixed mounting has spacing spring on the top inner wall of shifting chute, and the bottom of spacing spring and the top fixed connection of gag lever post, utilizes spacing spring can apply elasticity to the splint for splint press from both sides the tightly to the camshaft body.
Preferably, equal fixed mounting has the baffle on the both sides inner wall of first spacing cover and the both sides inner wall of the spacing cover of second, sliding connection has the mounting panel in the first spacing cover, the top of installation pole and the bottom fixed connection of mounting panel, and the mounting panel contacts with two baffles that lie in same one side, utilizes the baffle to support the mounting panel for the mounting panel can slide in with first spacing cover and the spacing cover of second.
Preferably, the bottom fixed mounting of installation pole has the fixed plate, and displacement sensor fixed mounting is in the bottom of fixed plate, and the top fixed mounting of fixed plate has driving motor, and equal fixed mounting has the rack on the top inner wall of first spacing cover and the spacing top inner wall of cover of second, the top of mounting panel is rotated and is connected with the gear, gear and rack mesh mutually, driving motor is connected with gear drive, utilizes gear and gear can conveniently drive displacement sensor and remove.
Preferably, the top fixed mounting of mounting panel has the fixed plate, and rotates on the fixed plate and be connected with the pivot, the one end fixed connection of gear and pivot, fixed mounting has the carousel on driving motor's the output shaft, and the carousel is connected with same drive belt with the pivot transmission, utilizes the drive belt can realize that driving motor and gear drive are connected.
Preferably, there are fixed cover and card cover at top one side of two depression bars fixed mounting respectively, sliding connection has the cardboard in the fixed cover, one side of cardboard extends to in the card cover, sliding connection has the fixed pin on the top inner wall of card cover, the bottom of fixed pin clamps with the top one side of cardboard mutually, conveniently clamps two depression bars.
Preferably, sliding connection has the carriage release lever in the fixed cover, the top of carriage release lever extends to the top of fixed cover, the bottom of carriage release lever extend to in the installation cover and with the top fixed connection of the spacing cover of second, can realize that two racks dock to can conveniently promote the cardboard and remove.
Preferably, one side fixed mounting of carriage release lever has extension spring, extension spring be located fixed cover and with one side inner wall fixed connection of fixed cover, utilize extension spring can conveniently drive the cardboard and carry out reverse movement, make things convenient for two depression bars to break away from and clamp.
The invention has the beneficial effects that:
firstly, simultaneously rotating the two compression bars, pushing the limiting column to move downwards through the connecting column, enabling the clamping plates to move downwards through the limiting rods to be in contact with the camshaft body, enabling the limiting spring to be in a stressed state when the limiting column moves downwards, and clamping the camshaft body by the two clamping plates when the two compression bars rotate to be in a horizontal state;
promote the carriage release lever and can drive cardboard and the spacing cover of second respectively and remove, get into behind the card cover in the cardboard, at this moment can promote the fixed pin, utilize the fixed pin to clamp mutually with the cardboard, when the spacing cover of second removes, can contact with first spacing cover the spacing cover of second mutually, at this moment two racks also can form the butt joint relation, start driving motor after that, can drive the pivot through the drive belt and rotate, make the gear rotate along with the pivot, because wheel and rack mesh mutually, so when the gear rotates, just can make the mounting panel remove, so just can drive displacement sensor and remove, the realization detects the cam position on the camshaft body.
The cam shaft detection device is simple to operate, and the driving motor is started to drive the displacement sensor to move, so that whether the position intervals among the cams on the cam shaft body are consistent or not can be detected, manual operation can be replaced, the detection efficiency is effectively improved, and the detection precision can be improved.
Drawings
FIG. 1 is a front view of a camshaft position detecting system for an automotive engine according to the present invention;
FIG. 2 is a side view of a position-limiting cover structure of a camshaft position detecting system of an automobile engine according to the present invention;
FIG. 3 is a schematic structural diagram of a fixed cover of a camshaft position detecting system of an automobile engine according to the present invention;
FIG. 4 is a front view of a position-limiting post structure of a camshaft position detecting system of an automobile engine according to the present invention;
FIG. 5 is an enlarged view of the structure A of the camshaft position detecting system of the automobile engine according to the present invention;
FIG. 6 is a block diagram of a camshaft position detecting system of an automobile engine according to the present invention.
In the figure: the camshaft comprises a base 1, a vertical column 2, a camshaft body 3, a limiting column 4, a connecting column 5, a pressure rod 6, a fixing cover 7, a clamping cover 8, a mounting cover 9, a first limiting cover 10, a second limiting cover 11, a rack 12, a displacement sensor 13, a mounting plate 14, a mounting rod 15, a driving motor 16, a driving belt 17, a rotating shaft 18, a gear 19, a moving rod 20, a clamping plate 21, a fixing pin 22, an extension spring 23, a moving groove 24, a limiting rod 25, a limiting spring 26 and a clamping plate 27.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-6, the embodiment provides a camshaft position detecting system for an automobile engine, which includes a base 1, a controller, a display, a comparison module, a hard disk and a displacement sensor 13, wherein the controller is respectively connected with the displacement sensor 13 and the comparison module, the comparison module is respectively connected with the hard disk and the display, two upright posts 2 are symmetrically and fixedly installed at the top of the base 1, one side of the two upright posts 2 close to each other is clamped with a same camshaft body 3, one side of the upright posts 2 is slidably connected with a limiting post 4, the top of the limiting post 4 is rotatably connected with a connecting post 5, the top of the connecting post 5 is rotatably connected with a pressure lever 6, the two pressure levers 6 are respectively rotatably connected with the top of the two upright posts 2, the two pressure levers 6 are clamped, an installation cover 9 is fixedly installed at the bottom of the pressure lever 6, the two installation covers 9 are communicated, a first limiting cover 10 and a second limiting cover 11 are respectively, the first limiting cover 10 is communicated with the second limiting cover 11, the first limiting cover 10 is connected with an installation rod 15 in a sliding mode, the bottom end of the installation rod 15 extends to the lower portion of the installation cover 9 and is fixedly connected with a displacement sensor 13, firstly, the two pressure rods 6 are rotated simultaneously, the limiting column 4 can be pushed to move downwards through the connecting column 5, at the moment, the clamping plate 27 can be enabled to move downwards through the limiting rod 25 to be contacted with the camshaft body 3, then, when the limiting column 4 moves downwards, the limiting spring 26 is enabled to be in a stressed state, when the two pressure rods 6 rotate to be in a horizontal state, the two clamping plates 27 can clamp the camshaft body 3, the moving rod 20 can be pushed to respectively drive the clamping plate 21 and the second limiting cover 11 to move, after the clamping plate 21 enters the clamping cover 8, the fixing pin 22 can be pushed at the moment, and the fixing pin 22 and the clamping plate 21 are clamped together, when the second limit cover 11 moves, the second limit cover 11 can be contacted with the first limit cover 10, at this time, the two racks 12 can also form a butt joint relation, then, the driving motor 16 is started, the rotating shaft 18 can be driven to rotate through the transmission belt 17, so that the gear 19 rotates along with the rotating shaft 18, and since the gear 19 is engaged with the rack 12, therefore, when the gear 19 rotates, the mounting plate 14 can move, so that the displacement sensor 13 can be driven to move, the position of the cam on the camshaft body 3 can be detected, the invention has simple operation, the displacement sensor 13 is driven to move by starting the driving motor 16, can detect whether the position intervals among the cams on the camshaft body 3 are consistent, therefore, manual operation can be replaced, the detection efficiency is effectively improved, and the detection precision can be improved.
In this embodiment, shifting chute 24 has been seted up to the bottom of spacing post 4, sliding connection has gag lever post 25 in shifting chute 24, the bottom of gag lever post 25 extends to the below of spacing post 4 and fixed mounting has splint 27, and two splint 27 all press from both sides the dress mutually with camshaft body 3, fixed mounting has spacing spring 26 on the top inner wall of shifting chute 24, and the bottom of spacing spring 26 and the top fixed connection of gag lever post 25, utilize spacing spring 26 can apply elasticity to splint 27, make splint 27 press from both sides tightly camshaft body 3.
In this embodiment, equal fixed mounting has the baffle on the both sides inner wall of first spacing cover 10 and the both sides inner wall of second spacing cover 11, and sliding connection has mounting panel 14 in first spacing cover 10, and the top of installation pole 15 and the bottom fixed connection of mounting panel 14, and mounting panel 14 contacts with two baffles that lie in same one side, utilizes the baffle to support mounting panel 14 for mounting panel 14 can slide in with first spacing cover 10 and the second spacing cover 11.
In this embodiment, the bottom fixed mounting of installation pole 15 has the fixed plate, and displacement sensor 13 fixed mounting is in the bottom of fixed plate, the top fixed mounting of fixed plate has driving motor 16, and equal fixed mounting has rack 12 on the top inner wall of the first spacing cover 10 and the top inner wall of the spacing cover 11 of second, the top of mounting panel 14 is rotated and is connected with gear 19, gear 19 meshes with rack 12 mutually, driving motor 16 is connected with gear 19 transmission, utilize gear 19 and gear 12 can conveniently drive displacement sensor 13 and remove.
In this embodiment, the top fixed mounting of mounting panel 14 has the fixed plate, and rotates on the fixed plate and be connected with pivot 18, gear 19 and the one end fixed connection of pivot 18, and fixed mounting has the carousel on drive motor 16's the output shaft, and the carousel is connected with same drive belt 17 with the 18 transmissions of pivot, utilizes drive belt 17 to realize that drive motor 16 and gear 19 transmission are connected.
In this embodiment, there are fixed cover 7 and card cover 8 fixed mounting respectively on one side of the top of two depression bars 6, and sliding connection has cardboard 21 in the fixed cover 7, and one side of cardboard 21 extends to in the card cover 8, and sliding connection has fixed pin 22 on the top inner wall of card cover 8, and fixed pin 22's bottom clamps with the top of cardboard 21 one side mutually, conveniently clamps two depression bars 6.
In this embodiment, sliding connection has carriage release lever 20 in the fixed cover 7, and the top of carriage release lever 20 extends to the top of fixed cover 7, and the bottom of carriage release lever 20 extends to in the installation cover 9 and with the top fixed connection of the spacing cover 11 of second, can realize that two racks 12 dock to can conveniently promote cardboard 21 and remove.
In this embodiment, one side fixed mounting of carriage release lever 20 has extension spring 23, and extension spring 23 is located fixed cover 7 and with one side inner wall fixed connection of fixed cover 7, utilizes extension spring 23 can conveniently drive cardboard 21 and carry out reverse movement, makes things convenient for two depression bars 6 to break away from and clamps.
In this embodiment, firstly, the camshaft body 3 is placed between two columns 2, at this time, two pressure levers 6 can be rotated simultaneously, at this time, the connecting column 5 can push the limiting column 4 to move downwards, at this time, the clamping plate 27 can be moved downwards to contact with the camshaft body 3 through the limiting rod 25, then, when the limiting column 4 moves downwards, the limiting spring 26 is in a stressed state, when the two pressure levers 6 both rotate to a horizontal state, at this time, both the clamping plates 27 clamp the camshaft body 3, the moving rod 20 can be pushed to respectively drive the clamping plate 21 and the second limiting cover 11 to move, after the clamping plate 21 enters the clamping cover 8, the fixing pin 22 can be pushed, the fixing pin 22 and the clamping plate 21 are clamped together, when the second limiting cover 11 moves, the second limiting cover 11 can contact with the first limiting cover 10, then, the two racks 12 will form a butt-joint relationship, then the driving motor 16 is started, the transmission belt 17 can drive the rotating shaft 18 to rotate, so that the gear 19 rotates along with the rotating shaft 18, because the gear 19 is meshed with the racks 12, the mounting plate 14 can be moved when the gear 19 rotates, so that the displacement sensor 13 can be driven to move, the displacement sensor 13 can record the distance of the movement displacement in the moving process, and can record the distance between two adjacent cams when passing through each cam, then the recorded data can be uploaded to the controller and transmitted to the comparison module by the controller, at this time, the comparison module will collect the standard data in the hard disk, compare the standard data with the collected data, and transmit the comparison result to the display, and publish the result, so as to realize the detection of the cam position on the camshaft body 3, therefore, manual operation can be replaced, the detection efficiency is effectively improved, and the detection precision can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A camshaft position detection system of an automobile engine comprises a base (1), a controller, a display, a comparison module, a hard disk and a displacement sensor (13), wherein the controller is respectively connected with the displacement sensor (13) and the comparison module, the comparison module is respectively connected with the hard disk and the display, and the camshaft position detection system is characterized in that the top of the base (1) is symmetrically and fixedly provided with two upright posts (2), one side of the two upright posts (2) close to each other is clamped with the same camshaft body (3), one side of the upright posts (2) is slidably connected with a limiting post (4), the top of the limiting post (4) is rotatably connected with a connecting post (5), the top of the connecting post (5) is rotatably connected with two pressure rods (6), the two pressure rods (6) are respectively rotatably connected with the top ends of the two upright posts (2), and the two pressure rods (6) are clamped, the bottom fixed mounting of depression bar (6) has installation cover (9), and two installation covers (9) are linked together, and fixed mounting has first spacing cover (10) and the spacing cover of sliding connection second (11) in two installation covers (9) respectively, first spacing cover (10) and the spacing cover of second (11) are linked together, sliding connection has installation pole (15) in first spacing cover (10), the bottom of installation pole (15) extend to the below of installation cover (9) and with displacement sensor (13) fixed connection.
2. The automobile engine camshaft position detection system according to claim 1, characterized in that a moving groove (24) is formed in the bottom end of the limiting column (4), a limiting rod (25) is connected in the moving groove (24) in a sliding manner, the bottom end of the limiting rod (25) extends to the position below the limiting column (4) and is fixedly provided with a clamping plate (27), the two clamping plates (27) are clamped with the camshaft body (3), a limiting spring (26) is fixedly arranged on the inner wall of the top of the moving groove (24), and the bottom end of the limiting spring (26) is fixedly connected with the top end of the limiting rod (25).
3. The system for detecting the position of the camshaft of the automobile engine according to claim 1, wherein baffles are fixedly arranged on the inner walls of both sides of the first limit cover (10) and the inner walls of both sides of the second limit cover (11), a mounting plate (14) is connected in the first limit cover (10) in a sliding manner, the top end of the mounting rod (15) is fixedly connected with the bottom of the mounting plate (14), and the mounting plate (14) is in contact with the two baffles on the same side.
4. The automobile engine camshaft position detection system according to claim 3, characterized in that a fixing plate is fixedly installed at the bottom end of the installation rod (15), the displacement sensor (13) is fixedly installed at the bottom of the fixing plate, a driving motor (16) is fixedly installed at the top of the fixing plate, racks (12) are fixedly installed on the inner wall of the top of the first limiting cover (10) and the inner wall of the top of the second limiting cover (11), a gear (19) is rotatably connected to the top of the installation plate (14), the gear (19) is meshed with the racks (12), and the driving motor (16) is in transmission connection with the gear (19).
5. The position detecting system for the camshaft of the automobile engine as claimed in claim 4, wherein a fixed plate is fixedly mounted on the top of the mounting plate (14), a rotating shaft (18) is rotatably connected to the fixed plate, a gear (19) is fixedly connected to one end of the rotating shaft (18), a rotating disc is fixedly mounted on the output shaft of the driving motor (16), and the rotating disc and the rotating shaft (18) are in transmission connection with a same transmission belt (17).
6. The automobile engine camshaft position detection system according to claim 1, characterized in that a fixing cover (7) and a clamping cover (8) are respectively and fixedly installed on one side of the tops of the two pressure levers (6), a clamping plate (21) is connected in the fixing cover (7) in a sliding mode, one side of the clamping plate (21) extends into the clamping cover (8), a fixing pin (22) is connected on the inner wall of the top of the clamping cover (8) in a sliding mode, and the bottom end of the fixing pin (22) is clamped with one side of the tops of the clamping plate (21).
7. The system for detecting the position of the camshaft of the automobile engine as claimed in claim 6, wherein a moving rod (20) is slidably connected in the fixed cover (7), the top end of the moving rod (20) extends to the upper side of the fixed cover (7), and the bottom end of the moving rod (20) extends into the mounting cover (9) and is fixedly connected with the top of the second limit cover (11).
8. The position detecting system for the camshaft of the automobile engine according to claim 7, characterized in that an extension spring (23) is fixedly installed on one side of the moving rod (20), and the extension spring (23) is positioned in the fixed cover (7) and is fixedly connected with the inner wall of one side of the fixed cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537654.0A CN110231007B (en) | 2019-06-20 | 2019-06-20 | Automobile engine camshaft position detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537654.0A CN110231007B (en) | 2019-06-20 | 2019-06-20 | Automobile engine camshaft position detection system |
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| CN110231007A CN110231007A (en) | 2019-09-13 |
| CN110231007B true CN110231007B (en) | 2021-06-15 |
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| CN201910537654.0A Active CN110231007B (en) | 2019-06-20 | 2019-06-20 | Automobile engine camshaft position detection system |
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| CN113091672B (en) * | 2021-05-08 | 2024-01-26 | 西安科技大学 | Automobile engine camshaft position detecting system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201464168U (en) * | 2009-08-27 | 2010-05-12 | 三门峡中原量仪股份有限公司 | Comprehensive camshaft detector |
| CN102032851A (en) * | 2010-10-30 | 2011-04-27 | 奇瑞汽车股份有限公司 | Device for detecting qualifying diameter dimensions of shafts |
| CN102095392A (en) * | 2010-12-02 | 2011-06-15 | 哈尔滨海太精密量仪有限公司 | Camshaft measurement machine for dynamically measuring specific parameter of camshaft |
| CN207439325U (en) * | 2017-11-24 | 2018-06-01 | 宁波同欣汽车零部件有限公司 | A kind of camshaft detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020101595A1 (en) * | 2001-01-31 | 2002-08-01 | Johnson Richard M. | Device and method for inspecting cam profiles |
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2019
- 2019-06-20 CN CN201910537654.0A patent/CN110231007B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201464168U (en) * | 2009-08-27 | 2010-05-12 | 三门峡中原量仪股份有限公司 | Comprehensive camshaft detector |
| CN102032851A (en) * | 2010-10-30 | 2011-04-27 | 奇瑞汽车股份有限公司 | Device for detecting qualifying diameter dimensions of shafts |
| CN102095392A (en) * | 2010-12-02 | 2011-06-15 | 哈尔滨海太精密量仪有限公司 | Camshaft measurement machine for dynamically measuring specific parameter of camshaft |
| CN207439325U (en) * | 2017-11-24 | 2018-06-01 | 宁波同欣汽车零部件有限公司 | A kind of camshaft detection device |
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