CN208254382U - A kind of torsion angle detecting device for knurl type camshaft - Google Patents
A kind of torsion angle detecting device for knurl type camshaft Download PDFInfo
- Publication number
- CN208254382U CN208254382U CN201820970297.8U CN201820970297U CN208254382U CN 208254382 U CN208254382 U CN 208254382U CN 201820970297 U CN201820970297 U CN 201820970297U CN 208254382 U CN208254382 U CN 208254382U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- knurl type
- type camshaft
- mandrel
- leaf spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of torsion angle detecting devices for knurl type camshaft, including the revolving platform for fixing knurl type camshaft to be detected；The fixture for fixing the knurl type cam of camshaft is equipped on the revolving platform；The bottom end of the mandrel passes through the output axis connection of plate spring structure and speed reducer；The first synchronizing wheel is arranged on the outer circumference surface of the mandrel, first synchronizing wheel is connect by synchronous belt with the second synchronous belt pulley transmission that revolving platform side is arranged in, and second synchronous pulley passes through the synchronizing shaft being arranged among it and connect with encoder.The angle that the utility model is turned by servo motor, controls the deflection output torque of leaf spring, avoids the overload of motor, while the adjusting knurl type camshaft that also can be convenient reverses the torque loaded when angular measurement.
Description
Technical field
The utility model relates to knurl type camshaft detection fields, specifically, being related specifically to a kind of for knurl type
The torsion angle detecting device of camshaft.
Background technique
With the development of automobile engine technology, requirement of the people to camshaft is also continuously improved, traditional unitary cam
Axoplasm amount weight, stock utilization is low, and processing is complicated, higher cost.To adapt to the lightweight of cam axial direction, function collection neutralizes low cost
The trend that direction is developed, assembled cam shaft become the research object of people naturally.Compared with traditional one-piece camshaft, dress
Have many advantages, such as that light weight, processing cost be low, reasonable utilization of materials with formula camshaft.
Assembled cam shaft is because its connection type difference is divided into numerous species, wherein knurl type camshaft (as shown in Figure 1)
Including cam and mandrel, (a, Fig. 2 b, Fig. 3, Fig. 4 a and Fig. 4 b referring to fig. 2, cam and mandrel are connected by internal spline and external splines
Connect), cam is fitted on mandrel by small pressure at normal temperature, is then altered by the axial direction that positioning pin or roller limit cam
Dynamic, required equipment is simple, and on material property without influence, reliability, dimensional accuracy and energy consumption etc. are all than other assembly methods
It has a clear superiority.
But since cam is fitted on spline mandrel, cannot be bonded completely between cam keyway and mandrel spline,
Torsion angle can be generated between cam and mandrel.This torsion angle will affect the phase angle of camshaft overhead cam, to influence cam
The fuel feeding of axis, air inlet, exhaust.Meanwhile in actual condition, camshaft is in starting and speed change, since spline does not paste completely
It closes, its moment is made to generate strong shock, spline working face is caused to be plastically deformed, cause the failure of spline coupling, reduce cam
The service life of axis, to influence the performance of engine.
Currently, the equipment that there is no profession detects knurl type camshaft torsion angle, relies primarily on and manually detects,
The cam of knurl type camshaft is fixed by fixture, then manually drives central spindle positive and negative rotation, gained measurement knot using torque wrench
Fruit error is big, often exceeds technical requirements.
Utility model content
The purpose of this utility model is that aiming at the shortcomings in the prior art, providing a kind of torsion for knurl type camshaft
Rotation angle detecting apparatus, to solve problems of the prior art.
The technical issues of the utility model is solved can be realized using following technical scheme:
A kind of torsion angle detecting device for knurl type camshaft, including for fixing knurl type camshaft to be detected
Revolving platform；
The fixture for fixing the knurl type cam of camshaft is equipped on the revolving platform；Knurl type cam shaft mandrel
Bottom end passes through the output axis connection of plate spring structure and speed reducer；
The first synchronizing wheel is arranged on the outer circumference surface of the mandrel, first synchronizing wheel passes through synchronous belt and setting
The second synchronous belt pulley transmission in revolving platform side connects, second synchronous pulley pass through the synchronizing shaft that is arranged among it with
Encoder connection.
Further, the plate spring structure includes upper mounting plate, lower installation board, leaf spring and latch segment；In the upper installation
The middle position of plate is equipped with the axis hole for connecting mandrel, and the marginal position of upper mounting plate is connected by several leaf springs and lower installation board
It connects.
Further, the top of the leaf spring is fixed in the card slot of upper mounting plate marginal position, the bottom end of leaf spring
It is fixed on the lower mounting plate by latch segment.
Compared with prior art, the utility model has the beneficial effects that:
The angle turned by servo motor, controls the deflection output torque of leaf spring, avoids the overload of motor, while
The torque loaded when the adjusting knurl type camshaft torsion angular measurement that can be convenient.
Detailed description of the invention
Fig. 1 is the schematic diagram of knurl type camshaft described in the utility model.
Fig. 2 a is the side view of cam described in the utility model.
Fig. 2 b is the schematic diagram of cam internal spline described in the utility model.
Fig. 3 is the schematic diagram of mandrel described in the utility model and external splines.
Fig. 4 a is the connection schematic diagram of cam described in the utility model and mandrel.
Fig. 4 b is the connection side view of cam described in the utility model and mandrel.
Fig. 5 is the schematic diagram of torsion angle detecting device described in the utility model.
Fig. 6 is the schematic diagram of plate spring structure described in the utility model.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Referring to Fig. 5, a kind of torsion angle detecting device for knurl type camshaft described in the utility model, including be used for
The revolving platform 2 of fixed knurl type camshaft 1 to be detected；
The fixture for fixing 1 cam of knurl type camshaft is equipped on the revolving platform 2；1 core of knurl type camshaft
The bottom end of axis passes through the output axis connection of plate spring structure 5 and speed reducer 6；
Be arranged with the first synchronizing wheel 7 on the outer circumference surface of the mandrel, first synchronizing wheel 7 by synchronous belt 8 with
The second synchronous pulley 9 transmission connection of 2 side of revolving platform is set, and second synchronous pulley 9 passes through and is arranged among it
Synchronizing shaft is connect with encoder 10.
The plate spring structure 5 includes upper mounting plate 51, lower installation board 52, leaf spring 53 and latch segment 54；In the upper installation
The middle position of plate 51 is equipped with the axis hole 55 for connecting mandrel, and the marginal position of upper mounting plate 51 is by several leaf springs 53 under
Mounting plate 52 connects.
The top of the leaf spring 53 is fixed in the card slot of 51 marginal position of upper mounting plate, and the bottom end of leaf spring 53 passes through
Latch segment 54 is fixed on lower installation board 52.
Referring to Fig. 6, the plate spring structure 5 includes upper mounting plate 51, lower installation board 52, leaf spring 53 and latch segment 54；Institute
The middle position for stating upper mounting plate 51 is equipped with the axis hole 55 for being used for connecting mandrel, if the marginal position of upper mounting plate 51 passes through dry plate
Spring 53 is connect with lower installation board 52.The top of the leaf spring 53 is fixed in the card slot of 51 marginal position of upper mounting plate, plate
The bottom end of spring 53 is fixed on lower installation board 52 by latch segment 54.
The detection process of the utility model is as follows:
The cam of knurl type camshaft 1 is fixed on revolving platform 2 by fixture first, the bottom of mandrel and leaf spring knot
The upper mounting plate 51 of structure 5 connects, and the lower installation board 52 of plate spring structure 5 connects the output shaft of speed reducer 6, and speed reducer 6 is by servo electricity
Machine 11 drives.53 deflection output torque of leaf spring is controlled by 11 turns of servo motor of angles.
When knurl type camshaft reverses angular measurement, the fixture of fixed cam is fixed, and servo motor 11 is first just going to an angle
Degree, 53 torsional deflection of leaf spring drive mandrel to rotate forward, and spline contact inside and outside knurl type camshaft 1, encoder 10 records data, then
Servo motor 11 is inverted to negative angle again, and 53 torsional deflection of leaf spring drives mandrel reversion, and external splines connects in knurl type camshaft 1
Touching, encoder 10 record data, record the size that data obtain knurl type camshaft torsion angle twice by encoder 10.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of torsion angle detecting device for knurl type camshaft, it is characterised in that: including for fixing rolling to be detected
The revolving platform (2) of fancy camshaft (1)；
The fixture for fixing knurl type camshaft (1) cam is equipped on the revolving platform (2)；Knurl type camshaft (1)
The bottom end of mandrel passes through the output axis connection of plate spring structure (5) and speed reducer (6)；
It is arranged on the outer circumference surface of the mandrel the first synchronizing wheel (7), first synchronizing wheel (7) passes through synchronous belt (8)
The second synchronous pulley (9) with setting in revolving platform (2) side is sequentially connected, and second synchronous pulley (9) is by wherein
Between the synchronizing shaft that is arranged connect with encoder (10).
2. the torsion angle detecting device according to claim 1 for knurl type camshaft, it is characterised in that: the leaf spring
Structure (5) includes upper mounting plate (51), lower installation board (52), leaf spring (53) and latch segment (54)；In the upper mounting plate (51)
Middle position be equipped with the axis hole (55) for connecting mandrel, the marginal position of upper mounting plate (51) by several leaf springs (53) with
Lower installation board (52) connection.
3. the torsion angle detecting device according to claim 2 for knurl type camshaft, it is characterised in that: the leaf spring
(53) top is fixed in the card slot of upper mounting plate (51) marginal position, and the bottom end of leaf spring (53) passes through latch segment (54)
It is fixed on lower installation board (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970297.8U CN208254382U (en) | 2018-06-23 | 2018-06-23 | A kind of torsion angle detecting device for knurl type camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970297.8U CN208254382U (en) | 2018-06-23 | 2018-06-23 | A kind of torsion angle detecting device for knurl type camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208254382U true CN208254382U (en) | 2018-12-18 |
Family
ID=64653265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820970297.8U Active CN208254382U (en) | 2018-06-23 | 2018-06-23 | A kind of torsion angle detecting device for knurl type camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208254382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702039A (en) * | 2019-10-22 | 2020-01-17 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
-
2018
- 2018-06-23 CN CN201820970297.8U patent/CN208254382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702039A (en) * | 2019-10-22 | 2020-01-17 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
| CN110702039B (en) * | 2019-10-22 | 2021-06-01 | 国网宁夏电力有限公司经济技术研究院 | Device for measuring wind deflection angle of suspension insulator string |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101881693B (en) | Spring fatigue testing equipment and testing method thereof | |
| CN208254382U (en) | A kind of torsion angle detecting device for knurl type camshaft | |
| CN207045059U (en) | Vehicle wheel side assembly locking device | |
| CN103252919A (en) | Novel front edge paper feeding device for corrugated case production line | |
| CN110000542A (en) | A kind of Hooke's joint needle bearing mounting device | |
| CN207209495U (en) | A kind of copper strips automatically controls winder | |
| CN203285535U (en) | Mechanical turbine pressurizer | |
| CN100460165C (en) | Electric cord driver for artificial joint | |
| CN111693067B (en) | High-precision miniaturized double-shaft rotating bidirectional locking and positioning device | |
| CN211109823U (en) | Conveying device | |
| CN2653471Y (en) | Torsion type mechanical torsion rotary speed angle displacement drive sensor | |
| CN208842636U (en) | A kind of throttle lever transmission mechanism | |
| CN103575203B (en) | A kind of plant leaf blade thickness nondestructive measurement instrument and measuring method of adjusting prepressing power | |
| CN206725177U (en) | A kind of piezoelectric energy collector bending exercise testing fixture | |
| CN2667478Y (en) | Pressure type mechanical torque rotating speed angle displacement driving sensor | |
| CN215149104U (en) | Four-axis rotary manipulator | |
| CN100416255C (en) | Torsional mechanical torque, rotation speed, angle and displacement driving sensor | |
| CN211328044U (en) | Double-motor deceleration engine and double-wheel constant-speed control golf trolley | |
| CN107437883A (en) | Stepper motor | |
| CN100416246C (en) | Pressure type mechanical torque, rotation, angle and displacement driving sensor | |
| CN207824928U (en) | It is a kind of to rotate and lift duplex mechanical arm | |
| CN203155934U (en) | Multi-station cold header precise feeding delivery mechanism | |
| CN206259831U (en) | The automobile-used automatic tune square variable speed electric motors, particularly of electric three-wheel | |
| CN111834861A (en) | Aviation plug assembling equipment | |
| CN205111479U (en) | Grind crankshaft installation plane and use device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |