CN202693311U - Valve movement measuring device - Google Patents
Valve movement measuring device Download PDFInfo
- Publication number
- CN202693311U CN202693311U CN 201220252387 CN201220252387U CN202693311U CN 202693311 U CN202693311 U CN 202693311U CN 201220252387 CN201220252387 CN 201220252387 CN 201220252387 U CN201220252387 U CN 201220252387U CN 202693311 U CN202693311 U CN 202693311U
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- CN
- China
- Prior art keywords
- cylinder cover
- measurement mechanism
- valve motion
- valve
- motion measurement
- 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.)
- Expired - Lifetime
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- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model provides a valve movement measuring device which comprises a main body support, a motor arranged on the main body support, a cylinder cover support, an engine cylinder cover and a sensor. The cylinder cover support is used for installing the engine cylinder cover and arranged at the position on the main body support opposite to the motor, the engine cylinder cover is installed on the cylinder cover support in a state that an opening faces to the horizontal direction, and the sensor faces to the opening of the engine cylinder cover and is used for measuring valve movement rules.
Description
Technical field
The utility model relates to a kind of valve motion measurement mechanism, relates in particular to the valve motion measurement mechanism for engine.
Background technology
Engine is that a kind of combustible mixture of fuel and air that relies on discharges chemical energy in the cylinder interior burning, again by toggle, heat energy is converted into a kind of spark-ignited internal combustion engine of mechanical energy.Mainly consisted of by body group and toggle and valve actuating mechanism etc.
As shown in Figure 1, toggle through admission stroke, pressure stroke, expansion stroke and out stroke, realizes that heat energy is to mechanical transformation of energy mainly by the to-and-fro movement of piston and rotatablely moving of bent axle.Generally include the parts such as cylinder head 21, cylinder block 22, piston 23, connecting rod, piston pin, bent axle, main beating cap, flywheel.
The valve actuating mechanism of gasoline engine mostly is air gate type, and its function is the requirement according to job order and the working cycle of engine, and time opening and the inlet and outlet door of closing each cylinder make fresh air enter cylinder, and burnt gas is discharged by cylinder, realizes scavenging period.Comprise that mainly cylinder head 21, inlet valve 24, exhaust valve 25, admission cam shaft 26 and exhaust cam shaft 27 etc. partly form.
The characteristics of motion of engine air valve device comprises valve stroke, speed and acceleration etc., and these parameters have material impact to dynamic property, economy, vibration and the noise of engine.Therefore, need to check whether satisfy design object to the valve motion measurement.
Existing usual way is that whole engine tested, because the residing space of engine air valve device is the narrow and small interior (see figure 1) of enclosure space, have to cylinder block 22 is punched in order to measure valve motion, with the sensor (generally being displacement transducer) of measuring be arranged in valve 24,25 belows are measured.
Yet there is following shortcoming in this method, the one, destroy engine, and test is finished rear engine and has just been scrapped, and causes waste; The 2nd, because will destroy engine, can not all measure every engine, so measurement result is not necessarily representative, particularly in the situation that manufacturing, processing and assembling consistance are not good, more can not reflect the performance of bulk article.
In addition, although some valve motion measurement mechanisms are arranged, by the cylinder cap below sensor is set and detects.Yet, owing to when regulating Sensor, can't see, and need to take mirror to reflect to observe, very inconvenient when causing testing.
The utility model content
The purpose of this utility model is to provide a kind of not to be needed to destroy under the prerequisite of engine, the valve motion measurement mechanism that any valve motion rule of various engines is measured.
Valve motion measurement mechanism of the present utility model comprises: main body rack; Be arranged on the motor on the described main body rack; Be arranged on the described main body rack with described motor relative position on the cylinder cap support that is used for installing engine cylinder cover; Be installed on the engine cylinder cover of described cylinder cap support towards the state of horizontal direction with opening; And the sensor of measuring towards the opening of described engine cylinder cover, to valve motion rule (displacement or speed).
According to said structure, because the valve motion measurement mechanism comprises: main body rack; Be arranged on the motor on the described main body rack; Be arranged on the described main body rack with described motor relative position on the cylinder cap support that is used for installing engine cylinder cover; Be installed on the engine cylinder cover of described cylinder cap support towards the state of horizontal direction with opening; And the sensor that is arranged on described cylinder cap support below, therefore can not need to destroy under the prerequisite of engine, realize any valve motion rule of various engines is measured.The part of measuring can continue to use.And, can measure all cylinder caps that assembles, check whether analysis design, manufacturing, processing, assembling reach requirement, and whether have consistance, practical value is high.
In addition, valve motion measurement mechanism of the present utility model also comprises: the grease-box that is arranged on described motor below; Be attached at the oil inlet pipe that lubricating oil is provided between described grease-box and the cylinder cap support, for engine cylinder cover; And be attached between described grease-box and the cylinder cap support, make lubricating oil turn back to the scavenge pipe of fuel tank.
In addition, described motor is variable-frequency motor.
In addition, described motor is connected by joint flange with the camshaft of described cylinder cap.
In addition, described sensor is laser displacement sensor.
In addition, the end face of described cylinder cap support has a plurality of holes, is convenient to described sensor valve is measured.
In addition, according to said structure, engine cylinder cover is installed on the cylinder cap support with opening towards the state of horizontal direction, and owing to naked eyes can be seen, the measuring point of therefore regulating sensor is very convenient.
Description of drawings
Fig. 1 is the cut-open view of inner structure of the engine of expression prior art.
Fig. 2 is the front view of structure of the valve motion measurement mechanism of expression the utility model embodiment.
Fig. 3 is the vertical view of structure of the valve motion measurement mechanism of expression the utility model embodiment.
Fig. 4 is the vertical view of cylinder cap cradle top surface of the valve motion measurement mechanism of expression the utility model embodiment.
(symbol description)
1 main body rack
4 motors
5 joint flanges
6 camshafts
7 valves
8 cylinder caps
9 cylinder cap supports
11 sensors
12 sensor stands
Embodiment
Below embodiment of the present utility model is elaborated.Following embodiment only is an example of technical solutions of the utility model, should not be interpreted as the restriction to the utility model protection domain.
Fig. 1 is the cut-open view of inner structure of the engine of expression prior art.As shown in Figure 1, engine mainly comprises the parts such as cylinder head 21, cylinder block 22, piston 23, inlet valve 24, exhaust valve 25, admission cam shaft 26 and exhaust cam shaft 27.
The valve motion measurement mechanism
Fig. 2 is the front view of structure of the valve motion measurement mechanism of expression present embodiment; Fig. 3 is the vertical view of structure of the valve motion measurement mechanism of expression present embodiment.Shown in Fig. 2,3, the valve motion measurement mechanism comprises: main body rack 1; Be arranged on the motor 4 on the main body rack 1; Be arranged on the main body rack 1 with motor 4 relative positions on the cylinder cap support 9 that is used for installing engine cylinder cover 8; Be installed on the engine cylinder cover 8 of cylinder cap support 9 towards the state of horizontal direction D with opening; And the sensor 11 of measuring towards the opening of engine cylinder cover 8, to valve motion rule (displacement or speed).
In the present embodiment, adopt variable-frequency motor as motor 4, adopt laser displacement sensor as sensor 11.In addition, support can adopt the existing ordinary stents 9 such as tripod.
As shown in Figure 2, the valve motion measurement mechanism also comprises: the grease-box (not shown) that is arranged on motor 4 belows; Be attached at the oil inlet pipe (not shown) that lubricating oil is provided between grease-box and the cylinder cap support 9, for engine cylinder cover 8; And be attached between grease-box and the cylinder cap support 9, make lubricating oil turn back to the scavenge pipe (not shown) of fuel tank.
And the end face of cylinder cap support 9 has a plurality of holes, is convenient to 11 pairs of valves 7 of sensor and measures.Fig. 4 is the vertical view of cylinder cap support 9 end faces of the valve motion measurement mechanism of expression present embodiment.As shown in Figure 4, be arranged with a plurality of holes at the end face of cylinder cap support 9, can allow sensor 11 laser by and get on the valve 7, measure.
According to said structure, because the valve motion measurement mechanism comprises: main body rack 1; Be arranged on the motor 4 on the main body rack 1; Be arranged on the main body rack 1 with motor 4 relative positions on the cylinder cap support 9 that is used for installing engine cylinder cover 8; Be installed on the engine cylinder cover 8 of cylinder cap support 9 towards the state of horizontal direction with opening; And towards the opening of engine cylinder cover 8, to the sensor 11 that valve motion rule (displacement or speed) is measured, therefore can not need to destroy under the prerequisite of engine, realize any valve motion rule of various engines is measured.The part of measuring can continue to use.
And, can measure all cylinder caps that assembles, check whether analysis design, manufacturing, processing, assembling reach requirement, and whether have consistance, practical value is high.
In addition, as shown in Figure 3, engine cylinder cover 8 is perpendicular to the direction of paper with opening among Fig. 2 towards horizontal direction D() state be installed on cylinder cap support 9 because naked eyes can see, the measuring point of therefore regulating sensor 11 is very convenient.
Measuring method
Below, the using method of the valve motion measurement mechanism of present embodiment is described.
At first, engine cylinder cover to be measured 8 is installed on the cylinder cap support 9 of this valve motion measurement mechanism, makes its opening towards horizontal direction D.
Make camshaft 6 coaxial with the output shaft of motor 4, the axle rotation of motor 4 drives camshaft 6 rotations by joint flange 5, drives valve 7 motions.
By the position of mobile laser displacement sensor support 12, can easily measure the characteristics of motion (displacement or speed) of different valve 7.
Although the utility model is described with reference to current specific embodiment; but those of ordinary skill in the art will be appreciated that; above embodiment only be illustrate of the present utility model; should understand wherein and can make various changes and revise; and do not break away from a broad sense the utility model; so be not that conduct is to restriction of the present utility model; as long as in connotation scope of the present utility model, all will drop in the protection domain of the utility model claims variation, the distortion of the above embodiment.
Claims (6)
1. a valve motion measurement mechanism is characterized in that, comprising:
Main body rack;
Be arranged on the motor on the described main body rack;
Be arranged on the described main body rack with described motor relative position on the cylinder cap support that is used for installing engine cylinder cover;
Be installed on the engine cylinder cover of described cylinder cap support towards the state of horizontal direction with opening; And
The sensor of measuring towards the opening of described engine cylinder cover, to the valve motion rule.
2. valve motion measurement mechanism as claimed in claim 1 is characterized in that, comprising:
Be arranged on the grease-box of described motor below;
Be attached at the oil inlet pipe that lubricating oil is provided between described grease-box and the cylinder cap support, for engine cylinder cover; And
Be attached between described grease-box and the cylinder cap support, make lubricating oil turn back to the scavenge pipe of fuel tank.
3. valve motion measurement mechanism as claimed in claim 1 is characterized in that, described motor is variable-frequency motor.
4. valve motion measurement mechanism as claimed in claim 1 is characterized in that, described motor is connected by joint flange with the camshaft of described engine cylinder cover.
5. valve motion measurement mechanism as claimed in claim 1 is characterized in that, described sensor is laser displacement sensor.
6. valve motion measurement mechanism as claimed in claim 1 is characterized in that, the end face of described cylinder cap support has a plurality of holes, is convenient to described sensor valve is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252387 CN202693311U (en) | 2012-05-31 | 2012-05-31 | Valve movement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252387 CN202693311U (en) | 2012-05-31 | 2012-05-31 | Valve movement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693311U true CN202693311U (en) | 2013-01-23 |
Family
ID=47548915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220252387 Expired - Lifetime CN202693311U (en) | 2012-05-31 | 2012-05-31 | Valve movement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338400A (en) * | 2016-08-26 | 2017-01-18 | 哈尔滨东安汽车发动机制造有限公司 | Engine valve fly-off test method |
| CN106482956A (en) * | 2016-12-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | The test device of valve motion rule |
| CN107782557A (en) * | 2016-08-25 | 2018-03-09 | 广州汽车集团股份有限公司 | A kind of valve motion testing stand |
-
2012
- 2012-05-31 CN CN 201220252387 patent/CN202693311U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782557A (en) * | 2016-08-25 | 2018-03-09 | 广州汽车集团股份有限公司 | A kind of valve motion testing stand |
| CN106338400A (en) * | 2016-08-26 | 2017-01-18 | 哈尔滨东安汽车发动机制造有限公司 | Engine valve fly-off test method |
| CN106338400B (en) * | 2016-08-26 | 2018-06-08 | 哈尔滨东安汽车发动机制造有限公司 | Engine valve flies off test method |
| CN106482956A (en) * | 2016-12-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | The test device of valve motion rule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |