CN106382877A - Compression ratio measurement system applied to diesel fuel cetane number determination machine - Google Patents
Compression ratio measurement system applied to diesel fuel cetane number determination machine Download PDFInfo
- Publication number
- CN106382877A CN106382877A CN201611130124.7A CN201611130124A CN106382877A CN 106382877 A CN106382877 A CN 106382877A CN 201611130124 A CN201611130124 A CN 201611130124A CN 106382877 A CN106382877 A CN 106382877A
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- compression ratio
- fixed
- rotary part
- nut
- measuring system
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a compression ratio measurement system applied to a diesel fuel cetane number determination machine. The compression ratio measurement system comprises: an air cylinder cover, a fixed part, a rotary part, a transverse movable part, and a locking part, wherein the air cylinder cover is provided with a cylindrical pre-combustion chamber which is communicated with a combustion chamber through a vortex channel; a nozzle mounting hole with a cooling water jacket is formed in an eccentric position directly in front of the pre-combustion chamber and is communicated with the pre-combustion chamber; the fixed part is arranged at the outer part of the pre-combustion chamber and is connected with the air cylinder cover; the rotary part is arranged in the fixed part, is in contact positioning connection with the fixed part and is used for realizing rotation; the transverse movable part is arranged in an inner cavity of the pre-combustion chamber, the rotary part and the fixed part and is connected with the rotary part, so that the transverse movable part does transverse movement when the rotary part rotates; the transverse movable part comprises a compression ratio plug; the locking part is arranged in an inner cavity of the rotary part and the transverse movable part, and is used for sealing the compression ratio plug in the pre-combustion chamber.
Description
Technical field
The present invention relates to measuring system, specifically refer to a kind of compression ratio measurement system being applied to diesel cetane-number measuring machine
System.
Background technology
In prior art, the compression ratio measuring system of diesel cetane-number measuring machine adopts the artificial reading of scale, its precision
And stability is subject to artificial disturbance big, test reading and result of the test need to manually calculate it is impossible to realize automatization, and make actual
With during need operator to have rich experience, for M R, there is also difficulty.Therefore adopt
, than the diesel cetane-number measuring machine of measuring system, the time that machine reaches necessary requirement operating mode is long for this structure compresses,
Workload is big, simultaneously the impact stability of machine and the precision of determination sample.
Content of the invention
It is an object of the invention to provide a kind of compression ratio measuring system being applied to diesel cetane-number measuring machine, structure is tight
Gather, compact, install easy to adjust；Accurate, stable displacement compression ratio plug is detected of energy, eliminates artificial reading by mistake
Difference, improves precision and the stability of determination sample.
In order to realize object above, the present invention is achieved by the following technical solutions：
A kind of compression ratio measuring system being applied to diesel cetane-number measuring machine, is characterized in, comprises：
Cylinder head, it is provided with a precombustion chamber that is cylindrical and communicating by a vortex road with combustor, inclined in precombustion chamber right opposite
Heart position is provided with a nozzle installing hole with cooling jacket, and communicates with precombustion chamber；
Fixed component, it is arranged on the outside of described precombustion chamber, and is connected with cylinder head；
Rotary part, it is arranged in described fixed component, and contacts and described fixed component between and be located by connecting, and is used for
Realize rotation；
Transversal moving devices, it is arranged on described precombustion chamber, rotary part, the interior intracavity of fixed component, and and rotary part
Connect, in order to realize the transverse shifting when rotary part rotates, described Transversal moving devices comprise a compression ratio plug；
Locking member, it is arranged on described rotary part, the interior intracavity of Transversal moving devices, is used for realizing compression ratio plug pre-
Sealing in combustion room.
Described fixed component comprises：
Adjustment seat, it is fixed in described cylinder head；
Sensor installation seat, it is fixed in cylinder head together by adjustment seat；
Alignment sensor, it is fixed on sensor installation seat；
Stop bit nut 5, positioning steel ring, described stop bit nut passes through to position steel ring and adjustment seat adjusts cooperation and installs.
Described rotary part comprises：
Adjusting nut, its one end is provided with face of cylinder step, and described face of cylinder step is installed on the interior intracavity of adjustment seat, described
It is provided with stop bit shoulder, described stop bit shoulder is installed between adjustment seat and stop bit nut, described regulation in the middle of adjusting nut
It is provided with axial gap between nut and adjustment seat and stop bit nut；
Adjusting handle, locating piece, described adjusting handle is fixed on the adjusting nut other end by locating piece positioning；
Cylinder micrometer, it is fixed on the cylindrical hub face in adjusting handle side.
Described Transversal moving devices comprise：
Regulating bolt, its one end is arranged on the interior intracavity of adjusting nut, and described compression ratio plug is fixed on the regulating bolt other end；
Bolt, sensor target piece mounting seat, horizontal scale, described bolt sequentially passes through sensor target piece peace
The through hole of the intermediate throughholes of dress seat and horizontal scale is simultaneously fixed in regulating bolt neutral threaded hole；
Sensor target piece, it is fixed in sensor target piece mounting seat.
Described locking member comprises：Clamping screw, locking spring washer, regulating bolt and locking handwheel；
Described clamping screw sequentially passes through the intermediate throughholes of locking spring washer and regulating bolt；
Described locking handwheel is arranged on clamping screw by screw thread.
Realize Transversal moving devices by described rotation rotary part to move in the precombustion chamber of cylinder head, and pass through
The combination of cylinder micrometer and horizontal scale reads corresponding amount of movement.
Realize tension and loosen locking spring washer by rotating described locking handwheel（12）, reach positioning compression ratio plug
Position and make sealing in cylinder head precombustion chamber for the compression ratio plug.
Described locating piece is L-shaped.
The present invention compared with prior art, has advantages below：
The compression ratio measuring system being applied to diesel cetane-number measuring machine provided by the present invention, compact conformation, compact,
Install easy to adjust；Accurate, stable displacement compression ratio plug is detected of energy, eliminates artificial error in reading, improves and measures
The precision of sample and stability, realize the automatic calculating of reading and result of the test simultaneously, be greatly reduced measurement operation difficulty and
Experiment work amount, shortens minute.
Brief description
Fig. 1 is a kind of structural representation of the compression ratio measuring system being applied to diesel cetane-number measuring machine of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in figure 1, being the compression ratio measuring system being applied to diesel cetane-number measuring machine provided by the present invention, bag
Contain：Cylinder head 9, it is provided with a precombustion chamber that is cylindrical and communicating by a vortex road with combustor, inclined in precombustion chamber right opposite
Heart position is provided with a nozzle installing hole with cooling jacket, and communicates with precombustion chamber；Fixed component, it is arranged on described cylinder
Cover the outside of 9 precombustion chambers, and be located by connecting by alignment pin 8 and bolt and cylinder head 9 between；Rotary part, it is arranged on institute
In the fixed component stated, and contact and described fixed component between and be located by connecting, for realizing rotation；Transversal moving devices,
It is arranged on described cylinder head 9 precombustion chamber, rotary part, the interior intracavity of fixed component, and passes through spiral shell and rotary part between
Stricture of vagina connects, in order to realize the transverse shifting when rotary part rotates；Locking member, it is arranged on described rotary part, laterally
The interior intracavity of moving parts, controls clamping screw 11 to compress by the rotation of locking handwheel 21 or loosens locking spring washer 12, real
Existing sealing in cylinder head 9 precombustion chamber for the compression ratio plug 13.
Wherein, described fixed component comprises：Adjustment seat 7, it is bolted to described by two alignment pins 8 and 4
Cylinder head on 9；Sensor installation seat 14, it is fixed on 9 in cylinder head together with adjustment seat 7 by 2 bolts；Orientation sensing
Device 15, it is bolted on sensor installation seat 14 by 2；Stop bit nut 5, it passes through screw thread and positioning steel ring 6 and adjusts
Section seat 7 adjusts cooperation and installs so that stop bit nut positions in the case that adjusting nut 4 is freely rotatable is fixed in adjustment seat 7,
Positioning steel ring is one 3/4 round, one end to center of circle direction be provided with overhead kick for cooperation position adjusting nut.Described rotary part
Comprise：Adjusting nut 4, adjusting handle 3, locating piece 2 and cylinder micrometer 20, adjusting nut 4 the right face of cylinder step is installed on
The interior intracavity of adjustment seat 7, middle stop bit shoulder is installed between adjustment seat 7 and stop bit nut 5, rotates freely and have small axial direction
Gap, the cylindrical centre of adjusting nut 4 is provided with a stop bit shoulder for stop bit adjusting nut, and the stop bit shoulder left side face of cylinder is provided with
Screw thread and two draw-in grooves intersecting 90 degree are used for cooperation and install adjusting handle, and the right is provided with face of cylinder step and is installed on for cooperation
Adjustment seat；Adjusting handle 3 passes through screw thread and " L " type locating piece 2 positioning is fixed on the left of adjusting nut 4, and passes through jack panel 1
Tight adjusting handle 3, jack panel outer is vertical and the center of circle has a groove to nut 1/3, the one side holes drilled through of groove, another side
Tapping, for fixing and positioning adjusting handle in adjusting nut；Cylinder micrometer 20 is adjusted by screw and is fixed on regulation
On the cylindrical hub face in handwheel 3 right side.Described Transversal moving devices comprise：Regulating bolt 10, bolt 18, sensor target piece
Mounting seat 16, horizontal scale 19, compression ratio plug 13 and sensor target piece 17；Regulating bolt 10 is arranged by left end left hand thread
Interior intracavity in adjusting nut 4；Compression ratio plug 13 is threadedly secured to regulating bolt 10 right-hand member, and compression ratio plug 13 is set to thin-walled
Cup-shaped；Bolt 18 sequentially passes through the intermediate throughholes of sensor target piece mounting seat 16 and the through hole of horizontal scale 19 and fixes
In regulating bolt 10 neutral threaded hole, cylindrical on have a locating slot at flange to screw thread and be used for horizontal scale 19 is installed；
Sensor target piece 17, T-shape designs, and is bolted in sensor target piece mounting seat 16 by 2.Described tight lock part
Part comprises：Clamping screw 11, locking spring washer 12, regulating bolt 10 and locking handwheel 21, clamping screw 11 sequentially passes through locking bullet
Pad 12 and the intermediate throughholes of regulating bolt 10；Locking handwheel 21 is arranged on clamping screw 11 by screw thread, and locking spring washer 12 sets
Count into bowl-type, centre is provided with a through hole and is used for being installed on clamping screw, be formed around spoke wheel and prop up compression ratio plug for after stress.
Realize Transversal moving devices by rotation rotary part to move left and right in the precombustion chamber of cylinder head 9, thus reaching
To the purpose changing compression ratio, and corresponding amount of movement is read by the combination of cylinder micrometer and horizontal scale（Variable quantity）, with
When also corresponding amount of movement can be determined by alignment sensor and control system（Variable quantity）.
Realize by rotation lock handwheel 21 straining and loosen locking spring washer 12, thus reaching positioning compression ratio plug 13
Position and make sealing in cylinder head 9 precombustion chamber for the compression ratio plug 13.
The compression ratio measuring system being applied to diesel cetane-number measuring machine provided by the present invention, its concrete installation process
For：
1）Clamping screw 11 is sequentially passed through the intermediate throughholes of locking spring washer 12 and regulating bolt 10, then compression ratio plug 13 is passed through
It is screwed and is arranged on one end of regulating bolt 10, then adjusting nut 4 is threadedly secured to the another of regulating bolt 10
End；
2）2 alignment pins 8 are arranged in the dowel hole of cylinder head 9, then adjustment seat 7 are arranged on gas by alignment pin 8
On cylinder cap 9；Then pass through 4 bolts（Wherein 2 screw bolt passes sensor installation seats and adjustment seat installing hole）It is arranged on
In cylinder head 9, finally alignment sensor is arranged on sensor installation seat by 2 bolts；
3）The regulating bolt 10 that will be equipped with clamping screw 11 grade part is assemblied in the intermediate throughholes of adjustment seat 7, then passes through
Stop bit nut 5 is assemblied in adjustment seat 7 screw thread, and is fixed by positioning steel ring 6 positioning, and regulating bolt rotates freely；
4）Bolt 18 is sequentially passed through the central through hole of sensor target piece mounting seat 16 and horizontal scale 19 and is fixed on
In the neutral threaded hole of regulating bolt 10, then with 2 bolts, sensor target piece 17 is arranged on sensor target piece and installs
On seat 16.
5）Cylinder micrometer is enclosed within adjusting handle right-hand member wheel hub, then adjusting handle is arranged on by threaded adjusting
On adjusting nut（The relative position of adjusting handle）, and " L " type locating piece is arranged on the regulation of adjusting nut and adjusting handle
In groove, positioning is fixed, and then with the tight adjusting handle of jack panel, finally with screw, cylinder micrometer is fixed on adjusting handle
On the wheel hub of one end.
6）Locking handwheel is passed through adjusting nut central through hole by being threadably mounted on clamping screw.
In sum, a kind of compression ratio measuring system being applied to diesel cetane-number measuring machine of the present invention, compact conformation,
Compact, installs easy to adjust；Accurate, stable displacement compression ratio plug is detected of energy, eliminates artificial error in reading, carries
The precision of high assay sample and stability.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
Multiple modifications and substitutions all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a kind of compression ratio measuring system being applied to diesel cetane-number measuring machine is it is characterised in that comprise：
Cylinder head, it is provided with a precombustion chamber that is cylindrical and communicating by a vortex road with combustor, inclined in precombustion chamber right opposite
Heart position is provided with a nozzle installing hole with cooling jacket, and communicates with precombustion chamber；
Fixed component, it is arranged on the outside of described precombustion chamber, and is connected with cylinder head；
Rotary part, it is arranged in described fixed component, and contacts and described fixed component between and be located by connecting, and is used for
Realize rotation；
Transversal moving devices, it is arranged on described precombustion chamber, rotary part, the interior intracavity of fixed component, and and rotary part
Connect, in order to realize the transverse shifting when rotary part rotates, described Transversal moving devices comprise a compression ratio plug；
Locking member, it is arranged on described rotary part, the interior intracavity of Transversal moving devices, is used for realizing compression ratio plug pre-
Sealing in combustion room.
2. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 1 it is characterised in that institute
The fixed component stated comprises：
Adjustment seat, it is fixed in described cylinder head；
Sensor installation seat, it is fixed in cylinder head together by adjustment seat；
Alignment sensor, it is fixed on sensor installation seat；
Stop bit nut 5, positioning steel ring, described stop bit nut passes through to position steel ring and adjustment seat adjusts cooperation and installs.
3. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 2 it is characterised in that institute
The rotary part stated comprises：
Adjusting nut, its one end is provided with face of cylinder step, and described face of cylinder step is installed on the interior intracavity of adjustment seat, described
It is provided with stop bit shoulder, described stop bit shoulder is installed between adjustment seat and stop bit nut, described regulation in the middle of adjusting nut
It is provided with axial gap between nut and adjustment seat and stop bit nut；
Adjusting handle, locating piece, described adjusting handle is fixed on the adjusting nut other end by locating piece positioning；
Cylinder micrometer, it is fixed on the cylindrical hub face in adjusting handle side.
4. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 3 it is characterised in that institute
The Transversal moving devices stated comprise：
Regulating bolt, its one end is arranged on the interior intracavity of adjusting nut, and described compression ratio plug is fixed on the regulating bolt other end；
Bolt, sensor target piece mounting seat, horizontal scale, described bolt sequentially passes through sensor target piece peace
The through hole of the intermediate throughholes of dress seat and horizontal scale is simultaneously fixed in regulating bolt neutral threaded hole；
Sensor target piece, it is fixed in sensor target piece mounting seat.
5. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 1 it is characterised in that institute
The locking member stated comprises：Clamping screw, locking spring washer, regulating bolt and locking handwheel；
Described clamping screw sequentially passes through the intermediate throughholes of locking spring washer and regulating bolt；
Described locking handwheel is arranged on clamping screw by screw thread.
6. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 1 it is characterised in that leading to
Cross described rotate rotary part and move in the precombustion chamber of cylinder head realizing Transversal moving devices, and pass through cylinder micrometer
And the combination of horizontal scale reads corresponding amount of movement.
7. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 5 it is characterised in that leading to
Cross and rotate described locking handwheel to realize straining and to loosen locking spring washer（12）, reach the position of positioning compression ratio plug and make
Sealing in cylinder head precombustion chamber for the compression ratio plug.
8. it is applied to the compression ratio measuring system of diesel cetane-number measuring machine as claimed in claim 3 it is characterised in that institute
The locating piece stated is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130124.7A CN106382877B (en) | 2016-12-09 | 2016-12-09 | Compression ratio measuring system applied to diesel cetane number measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130124.7A CN106382877B (en) | 2016-12-09 | 2016-12-09 | Compression ratio measuring system applied to diesel cetane number measuring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382877A true CN106382877A (en) | 2017-02-08 |
| CN106382877B CN106382877B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611130124.7A Active CN106382877B (en) | 2016-12-09 | 2016-12-09 | Compression ratio measuring system applied to diesel cetane number measuring machine |
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| CN (1) | CN106382877B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218152A (en) * | 2017-07-27 | 2017-09-29 | 叶明� | Compression ratio plug structure applied to diesel cetane-number measuring machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2766926A1 (en) * | 1997-07-29 | 1999-02-05 | Elf Antar France | METHOD AND DEVICE FOR DECALAMINATING A COMBUSTION CHAMBER OF A DIESEL ENGINE |
| CN201569638U (en) * | 2009-12-17 | 2010-09-01 | 长春市大周电子技术有限公司 | Gasoline octane rating tester |
| TW201348575A (en) * | 2012-05-23 | 2013-12-01 | Gane Energy & Resources Pty Ltd | Fuel and process for powering a compression ignition engine |
| CN205605319U (en) * | 2016-05-18 | 2016-09-28 | 叶明� | Fuel control system for diesel oil cetane number measuring device |
| CN206247995U (en) * | 2016-12-09 | 2017-06-13 | 叶明� | A kind of compression ratio measuring system for being applied to diesel cetane-number measuring machine |
-
2016
- 2016-12-09 CN CN201611130124.7A patent/CN106382877B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2766926A1 (en) * | 1997-07-29 | 1999-02-05 | Elf Antar France | METHOD AND DEVICE FOR DECALAMINATING A COMBUSTION CHAMBER OF A DIESEL ENGINE |
| CN201569638U (en) * | 2009-12-17 | 2010-09-01 | 长春市大周电子技术有限公司 | Gasoline octane rating tester |
| TW201348575A (en) * | 2012-05-23 | 2013-12-01 | Gane Energy & Resources Pty Ltd | Fuel and process for powering a compression ignition engine |
| CN205605319U (en) * | 2016-05-18 | 2016-09-28 | 叶明� | Fuel control system for diesel oil cetane number measuring device |
| CN206247995U (en) * | 2016-12-09 | 2017-06-13 | 叶明� | A kind of compression ratio measuring system for being applied to diesel cetane-number measuring machine |
Non-Patent Citations (2)
| Title |
|---|
| 宗丽娜: "柴油十六烷值测定方法的研究进展", 《山东化工》 * |
| 尚武: "柴油十六烷值机安装调试方法的研究", 《广东化工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218152A (en) * | 2017-07-27 | 2017-09-29 | 叶明� | Compression ratio plug structure applied to diesel cetane-number measuring machine |
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| Publication number | Publication date |
|---|---|
| CN106382877B (en) | 2022-07-22 |
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