CN220708289U - Timing angle detection device of engine gear - Google Patents
Timing angle detection device of engine gear Download PDFInfo
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- CN220708289U CN220708289U CN202322005822.6U CN202322005822U CN220708289U CN 220708289 U CN220708289 U CN 220708289U CN 202322005822 U CN202322005822 U CN 202322005822U CN 220708289 U CN220708289 U CN 220708289U
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009191 jumping Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a timing angle detection device of an engine gear, which comprises: and a servo motor is fixedly arranged on the left bottom wall of the detection platform. Firstly, a gear of an accurate OK product is used as a reference piece, the reference piece is placed on a rotating shaft, then a detection head part of a dial indicator is moved to a tooth surface of the gear of the OK product through a cylinder, the angle value of the reference piece product is collected, when the detection is carried out, a detected gear is placed on the rotating shaft, a key hole is aligned with a key body to be inserted, the rotating shaft is driven to rotate through a servo motor in the detection process, so that the detected gear can be driven to rotate, the angle value of all tooth surfaces of the gear to be detected can be detected, the detection precision is higher, meanwhile, the detection mode is also capable of detecting the jumping value of the gear according to the wall thickness difference value of the gear, and the use effect is better.
Description
Technical Field
The utility model belongs to the technical field of gear detection, and particularly relates to a timing angle detection device for an engine gear.
Background
Before the engine gear leaves the factory, whether the timing angle of the engine gear is qualified or not is an indispensable process, the timing angle of the gear is the included angle between the central line of the key slot and the central line between the two contours of the gear when the timing angle of the engine gear is detected in the prior art.
In the related art, reference may be made to chinese patent publication No. CN206974346U, specifically disclosing a timing angle detection device for an engine gear. The utility model comprises a tool gear and a key with standard timing angles and teeth, wherein a shaft key slot matched with a key slot arranged on a gear hole of a tested engine gear is arranged on a shaft, and the key slot and the shaft key slot are matched to form a positioning key slot matched with the key. The utility model has simple structure, scientific and reasonable design, convenient use and high detection precision.
The applicant finds that the current gear timing angle detection mode mainly comprises fixed detection and manual detection, wherein the fixed detection is to put a gear on a fixed side, then the data of an included angle is detected by a detection instrument (dial indicator) on one side, in the above mode, only the value of the included angle of one part can be detected, and a large error exists after the detection; the manual adjustment detection that adopts promptly after detecting a position, manual rotation gear detects the contained angle of other positions, above detecting method, the detection contact of hardly guarantees the detector aims at the central line between the two outlines of gear, and there is the error in the detection, and manual adjustment step is loaded down with trivial details moreover, needs to consume certain labour.
Disclosure of Invention
The utility model aims at: in order to solve the above-mentioned problem, a timing angle detection device of an engine gear is provided.
The technical scheme adopted by the utility model is as follows: a timing angle detection device of an engine gear, comprising:
the detection platform is characterized in that a servo motor is fixedly arranged on the bottom wall of the left side of the detection platform, the rotating end of the upper side of the servo motor is fixedly connected with a rotating shaft, a baffle ring is fixedly arranged at the outer end of the upper side of the rotating shaft, and a key body is fixedly arranged at the inner side of the upper wall of the baffle ring;
the center of the gear to be tested is provided with a shaft hole with the same diameter as the rotating shaft;
the dial indicator is characterized in that an installation seat is fixedly arranged at the bottom end of the dial indicator, and a cylinder is arranged at one end, far away from the gear to be tested, of the installation seat.
In a preferred embodiment, the detecting needle on the dial indicator faces to one side of the detected gear, the telescopic end of the air cylinder is connected with the mounting seat, and the air cylinder is fixedly arranged at the upper end of the detecting platform.
In a preferred embodiment, guide sliding blocks are embedded on two sides of the bottom of the mounting seat, a guide rail is fixedly connected to the detection platform, and the guide sliding blocks are slidingly connected to the guide rail.
In a preferred embodiment, a key hole matched with the key body is arranged on one side of the shaft hole.
In a preferred embodiment, an internal thread is arranged on the rotating shaft above the key body, and a positioning ring is arranged at the internal thread of the rotating shaft in a threaded manner.
In a preferred embodiment, the positioning ring is provided with external threads which are matched with the internal threads in the rotating shaft.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. in the utility model, the gear of the accurate OK product is used as a reference piece, the angle value of the reference piece is collected, the measured gear is put on the rotating shaft during detection, the key hole alignment key body is inserted, then the detection head part of the dial indicator is moved onto the tooth surface of the measured gear through the air cylinder, the angle value is collected, compared with the angle value of the reference piece, the detection operation of the timing angle is completed, the rotating shaft is driven to rotate through the servo motor during detection, so that the measured gear can be driven to rotate, the angle values of all the tooth surfaces of the measured gear can be driven, the detection precision is higher, and compared with the traditional manual adjustment of the position of the measured gear, the detection precision is higher.
2. In the utility model, when the gear is detected in the mode, the jump value of the gear can be detected through the dial indicator, namely, the thickness of the outer wall of the gear teeth is detected through the dial indicator, so that the overall applicability can be improved.
Drawings
FIG. 1 is a schematic cross-sectional plan view of the entire structure of the present utility model;
FIG. 2 is a schematic diagram of the three-dimensional structure of the combination part of the dial indicator and the cylinder in the utility model;
FIG. 3 is a schematic diagram of a three-dimensional structure of a gear to be measured in the utility model;
fig. 4 is a schematic diagram of an enlarged structure at a in fig. 1 in the present utility model.
The marks in the figure: 1-detecting platform, 2-measured gear, 201-shaft hole, 3-dial indicator, 4-mount pad, 5-cylinder, 6-servo motor, 7-guide rail, 8-direction slider, 9-baffle ring, 10-axis of rotation, 11-locating ring, 12-key body.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, a timing angle detection apparatus of an engine gear includes: the detection platform 1 is fixedly provided with a servo motor 6 on the bottom wall of the left side, the rotating end of the upper side of the servo motor 6 is fixedly connected with a rotating shaft 10, the outer end of the upper side of the rotating shaft 10 is fixedly provided with a baffle ring 9, the inner side of the upper wall of the baffle ring 9 is fixedly provided with a key body 12, the detected gear 2 is provided with a shaft hole 201 with the same diameter as the rotating shaft 10 in the center, the dial indicator 3 is fixedly provided with a mounting seat 4 at the bottom end of the dial indicator 3, one end of the mounting seat 4 far away from the detected gear 2 is provided with a cylinder 5, the angle value of a standard reference piece is firstly collected, then the detected gear 2 is placed on the rotating shaft 10, the detection head part of the dial indicator 3 is moved onto the tooth surface of the detected gear 2 through the cylinder 5, the angle value is collected and compared with the angle value of the reference piece to finish the timing angle detection operation, the rotating shaft 10 is driven to rotate through the servo motor 6 in the detection process, all the angle values of the detected gear 2 can be driven to rotate, the rotated position of the detected gear 2 is automatically controlled, the detection precision is higher, and labor force consumption can be greatly reduced.
The dial indicator 3 is preferably an electronic dial indicator, the dial indicator 3, the servo motor 6 and the air cylinder 5 are all electrically connected through an external PLC end, and the whole work (the rotation position of the servo motor 6, the telescopic stroke of the air cylinder 5 and the like) is controlled through the PLC end (with a display screen).
It should be noted that the above mentioned electrical connection manner is a connection manner commonly used in the prior art, and is not described in detail herein.
In this embodiment, the detecting needle provided on the dial indicator 3 faces one side of the gear 2 to be detected, the telescopic end of the air cylinder 5 is connected with the mounting seat 4, the air cylinder 5 is fixedly mounted at the upper end of the detecting platform 1, and the detecting needle of the dial indicator 3 is used for collecting the numerical value of the tooth surface in the gear 2 to be detected.
In this embodiment, the bottom both sides of mount pad 4 inlay and are equipped with direction slider 8, fixedly connected with direction guide rail 7 on the testing platform 1, and direction slider 8 slides and connects on direction guide rail 7, through the cooperation of direction slider 8 and direction guide rail 7, can guarantee the stability that mount pad 4 and percentage table 3 removed to can improve the precision that detects.
In this embodiment, a key hole adapted to the key body 12 is provided on one side of the shaft hole 201, and the position of the gear 2 to be measured on the rotation shaft 10 can be positioned by matching the key hole with the key body 12.
In this embodiment, an internal thread is disposed on the rotating shaft 10 above the key body 12, a positioning ring 11 is mounted at the internal thread of the rotating shaft 10, an external thread matching with the internal thread in the rotating shaft 10 is disposed in the positioning ring 11, and the gear 2 to be measured can be positioned on the rotating shaft 10 through the cooperation of the positioning ring 11, the rotating shaft 10 and the baffle ring 9, so that the detection precision of the gear 2 to be measured can be improved.
In particular, in the above manner, the runout value of the gear can also be detected by the dial indicator 3, that is, the thickness of the outer wall of the gear teeth (the value of the reference member also needs to be measured before detection) can be detected by the dial indicator, and the overall applicability can be improved.
Firstly, a gear of an accurate OK product is used as a reference piece, the reference piece is placed on a rotating shaft 10, then a detection head part of a dial indicator 3 is moved to the tooth surface of the gear of the OK product through a cylinder 5, the angle value of the reference piece product is collected, during detection, the detected gear 2 is placed on the rotating shaft 10, a key hole is aligned with a key body 12 and is inserted, then the detection head part of the dial indicator 3 is moved to the tooth surface of the detected gear 2 through the cylinder 5, the angle value is collected, and compared with the angle value of the reference piece, so that the timing angle detection operation is completed, the rotating shaft 10 is driven to rotate through a servo motor 6 in the detection process, so that the detected gear 2 can be driven to rotate, the angle value of all the tooth surfaces of the detected gear 2 is detected, the detection precision is higher, and meanwhile, the jumping value of the gear can be detected according to the wall thickness difference of the gear in the detection mode, and the use effect is better.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A timing angle detection device of an engine gear, characterized by comprising:
the detection platform (1) is characterized in that a servo motor (6) is fixedly arranged on the bottom wall of the left side of the detection platform, a rotating shaft (10) is fixedly connected to the rotating end of the upper side of the servo motor (6), a baffle ring (9) is fixedly arranged at the outer end of the upper side of the rotating shaft (10), and a key body (12) is fixedly arranged on the inner side of the upper wall of the baffle ring (9);
the center of the gear (2) to be tested is provided with a shaft hole (201) with the same diameter as the rotating shaft (10);
the dial indicator (3), mount pad (4) have been set firmly to the bottom of dial indicator (3), the one end that is kept away from by survey gear (2) of mount pad (4) is equipped with cylinder (5).
2. A timing angle detection apparatus for an engine gear as set forth in claim 1, wherein: the dial indicator is characterized in that a detection needle arranged on the dial indicator (3) faces one side of the detected gear (2), the telescopic end of the air cylinder (5) is connected with the mounting seat (4), and the air cylinder (5) is fixedly mounted at the upper end of the detection platform (1).
3. A timing angle detection apparatus for an engine gear as set forth in claim 1, wherein: guide sliding blocks (8) are embedded in two sides of the bottom of the mounting seat (4), guide rails (7) are fixedly connected to the detection platform (1), and the guide sliding blocks (8) are connected to the guide rails (7) in a sliding mode.
4. A timing angle detection apparatus for an engine gear as set forth in claim 1, wherein: one side of the shaft hole (201) is provided with a key hole matched with the key body (12).
5. A timing angle detection apparatus for an engine gear as set forth in claim 1, wherein: an internal thread is arranged on the rotating shaft (10) above the key body (12), and a positioning ring (11) is arranged at the internal thread of the rotating shaft (10) in a threaded manner.
6. A timing angle detection apparatus for an engine gear according to claim 5, wherein: and an external thread matched with the internal thread in the rotating shaft (10) is arranged in the positioning ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005822.6U CN220708289U (en) | 2023-07-28 | 2023-07-28 | Timing angle detection device of engine gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005822.6U CN220708289U (en) | 2023-07-28 | 2023-07-28 | Timing angle detection device of engine gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708289U true CN220708289U (en) | 2024-04-02 |
Family
ID=90442229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322005822.6U Active CN220708289U (en) | 2023-07-28 | 2023-07-28 | Timing angle detection device of engine gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708289U (en) |
-
2023
- 2023-07-28 CN CN202322005822.6U patent/CN220708289U/en active Active
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