CN204964197U - Engine compression ratio on line measurement automation equipment - Google Patents
Engine compression ratio on line measurement automation equipment Download PDFInfo
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- CN204964197U CN204964197U CN201520453947.8U CN201520453947U CN204964197U CN 204964197 U CN204964197 U CN 204964197U CN 201520453947 U CN201520453947 U CN 201520453947U CN 204964197 U CN204964197 U CN 204964197U
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- compression ratio
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Abstract
The utility model provides an engine compression ratio on line measurement automation equipment, includes: the activity sets up detection mechanism and bent axle actuating mechanism in the test frame, wherein: the test machine chord position loops through the test frame on await measuring slip setting of examination engine and the assembly line roll table on the assembly line roll table. This device can be realized the locating clip of the engine that awaits measuring tightly on the assembly line, uses motor drive engine crankshaft, drives piston motion, utilizes an acoustics method volumetric measurement probe, seeks minimum volume value in engine combustion chamber and maximum volume in the motion to obtain the compression ratio of engine.
Description
Technical field
The utility model relates to the technology that a kind of engine manufactures field, specifically a kind of on-line measurement automation equipment of engine compression ratio.
Background technology
Engine compression ratio is an important parameter of engine, and the measurement of current ratio of compression mainly utilizes titrimetry, is disassembled by engine, respectively the volume of titrimetry cylinder cap and cylinder body firing chamber, and the method inefficiency, takes time and effort.Existing people realizes utilizing helmholtz resonance volumetric measurement instrument to realize the ratio of compression Quick Measurement of online lower half-and-half assembling engine, but still cannot adapt to the requirement at present to engine precision manufactureing.
Utility model content
The utility model is for prior art above shortcomings, a kind of engine compression ratio on-line measurement automation equipment is proposed, can realize clamping the location of engine to be measured on streamline, engine crankshaft is driven with motor, drive piston movement, utilize a kind of acoustic method volume acoustic method volumetric measurement to pop one's head in, search out minimum volume value and the maximum volume of engine chamber at the volley.
The utility model is achieved through the following technical solutions:
The utility model relates to a kind of automatic detection system, comprise: be movably set in the testing agency in test chassis and crankshaft driving mechanism, wherein: test chassis is positioned on assembly line roller-way, engine to be tested slides to be arranged on assembly line roller-way and passes through test chassis successively.
Described test chassis comprises: portal frame and the lead screw guide rails be fixedly installed on portal frame.
Described testing agency comprises: probe segment and calibrating block, and wherein: probe segment is flexibly connected with test chassis, calibrating block is arranged in test chassis.
Described calibrating block is specifically positioned on the crossbeam of the portal frame of test chassis, and this crossbeam is parallel with engine cylinder hole orientation, and the height of calibrating block is equal with cylinder holes height.
Described probe segment comprises: probe bracket and the acoustic method volumetric measurement probe be fixedly connected with it, wherein: probe bracket is connected with the leading screw in lead screw guide rails.
Described crankshaft driving mechanism is flexibly connected with test chassis, is specially and is connected with the leading screw in described lead screw guide rails.
Technique effect
Compared with prior art, the utility model can utilize the volumetric measurement of acoustic method volume acoustic method to pop one's head in, and realizes accurately measuring fast engine compression ratio, and full-automation is examined entirely to engine on engine line.
Accompanying drawing explanation
Fig. 1 is engine compression ratio on-line measurement automation equipment oblique view;
Fig. 2 is engine compression ratio on-line measurement automation equipment front elevation;
In figure: 1 engine control platform, 2 lead screw guide rails, 3 portal frames, 4 engines to be measured, 5 crankshaft driving mechanisms, 6 assembly line roller-ways, 7 cables are integrated, 8 acoustic method volumetric measurement probes, 9 probe brackets, 10 calibrating block, 11 engine trays, 12 metal sleeves.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: be movably set in the testing agency in test chassis and crankshaft driving mechanism 5, and wherein: test chassis is positioned on assembly line roller-way, engine to be tested slides to be arranged on assembly line roller-way and passes through test chassis successively.
Described test chassis comprises: portal frame 3 and the lead screw guide rails 2 be fixedly installed on portal frame 3.
Described testing agency comprises: probe segment and calibrating block 10, wherein: probe segment is flexibly connected with test chassis, calibrating block 10 is arranged on the crossbeam of portal frame 3, and this crossbeam is parallel with engine cylinder hole orientation, and the height of calibrating block is equal with cylinder holes height.
Described calibrating block 10 is specifically positioned at portal frame 3 side, and orientation is consistent with engine cylinder hole orientation.
Described probe segment comprises: probe bracket 9 and the acoustic method volumetric measurement probe 8 be fixedly connected with it, wherein: probe bracket 9 is connected with the leading screw in lead screw guide rails 2.
Described probe bracket 9 moves up perpendicular to the side of engine cylinder hole arrangement under motor leading screw drives, and realizes moving back and forth between calibrating block 10 and cylinder holes, completes demarcation and measurement task.
Described crankshaft driving mechanism 5 is flexibly connected with test chassis, is specially and is connected with the leading screw in described lead screw guide rails 2.
Movablely on described assembly line roller-way arranging some for asking the pallet 11 carrying engine 4 to be measured to carry out line production, automatically locating when pallet 11 moves to portal frame 3 times.
Described crankshaft driving mechanism 5 is arranged at outside portal frame 3, realize mobile under being driven by motor screw mechanism, the vertical height of its agent structure is equal with the vertical height of engine crankshaft, and after engine has been located, crankshaft driving mechanism 5 clamps engine crankshaft and driving crank rotates.
The side of described portal frame 3 is provided with the control desk 1 be connected with described probe segment, described crankshaft driving mechanism 5 and motor screw mechanism respectively, and this control desk 1 realizes the control to whole portal frame 3 physical construction motion by cable.
Described acoustic method volumetric measurement probe 8 is ventilated in the firing chamber of engine 4 to be measured, cause combustion chamber air resonance, built-in microphone and the thermopair of probe can gather resonance sound and temperature information, obtain resonant frequency f and temperature t, and then calculating combustion chamber volume and ratio of compression, computing formula is combustion chamber volume
ratio of compression ε=V
always/ V, V
alwaysfor known parameters.
Described crankshaft driving mechanism 5 is provided with a draw key, and this key mapping is on metal sleeve 12, and metal sleeve is connected with motor, and when sleeve stretches into bent axle to certain position, this key embeds the keyway on bent axle, under crank-driven, drive crankshaft rotating; This mechanism can move up in the side vertical with streamline, to transport engine to subsequent processing.
The action scheme of the present embodiment is as follows:
The location of step one, engine and clamping;
Step 2, demarcate probe, namely use probe measurement orthobaric volume block, reduce measuring error, simultaneously crankshaft driving mechanism 5 coordinates with bent axle, driving crank rotation;
Step 3, probe move to directly over engine;
Step 4, probe stretch into engine chamber, measure;
Step 5, computer processing data calculate ratio of compression;
Step 6, measure complete, all mechanisms reset.
Claims (10)
1. an engine compression ratio on-line measurement automation equipment, it is characterized in that, comprise: be movably set in the testing agency in test chassis and crankshaft driving mechanism, wherein: test chassis is positioned on assembly line roller-way, engine to be tested slides to be arranged on assembly line roller-way and passes through test chassis successively.
2. engine compression ratio on-line measurement automation equipment according to claim 1, it is characterized in that, described test chassis comprises: portal frame and the lead screw guide rails be fixedly installed on portal frame.
3. engine compression ratio on-line measurement automation equipment according to claim 1, it is characterized in that, described testing agency comprises: probe segment and calibrating block, and wherein: probe segment is flexibly connected with test chassis, calibrating block is arranged in test chassis.
4. engine compression ratio on-line measurement automation equipment according to claim 3, it is characterized in that, described test chassis comprises: portal frame and the lead screw guide rails be fixedly installed on portal frame; Calibrating block is specifically positioned on the crossbeam of the portal frame of test chassis, and this crossbeam is parallel with engine cylinder hole orientation, and the height of calibrating block is equal with cylinder holes height.
5. engine compression ratio on-line measurement automation equipment according to claim 4, it is characterized in that, described probe segment comprises: probe bracket and the acoustic method volumetric measurement probe be fixedly connected with it, wherein: probe bracket is connected with the leading screw in lead screw guide rails.
6. engine compression ratio on-line measurement automation equipment according to claim 5, it is characterized in that, described probe bracket moves up perpendicular to the side of engine cylinder hole arrangement under motor leading screw drives, and realizes moving back and forth between calibrating block and cylinder holes, completes demarcation and measurement task.
7. engine compression ratio on-line measurement automation equipment according to claim 2, it is characterized in that, described crankshaft driving mechanism is flexibly connected with test chassis, is specially and is connected with the leading screw in described lead screw guide rails.
8. engine compression ratio on-line measurement automation equipment according to claim 4, it is characterized in that, on described assembly line roller-way, activity arranges some for asking the pallet carrying engine to be measured to carry out line production, automatically locates when pallet moves under portal frame.
9. the engine compression ratio on-line measurement automation equipment according to claim 1 or 7, it is characterized in that, described test chassis comprises: portal frame and the lead screw guide rails be fixedly installed on portal frame; Described crankshaft driving mechanism to be arranged at outside portal frame and to be driven by motor screw mechanism, the vertical height of its agent structure is equal with the vertical height of engine crankshaft, after engine has been located, crankshaft driving mechanism clamps engine crankshaft and driving crank rotates.
10. engine compression ratio on-line measurement automation equipment according to claim 3, it is characterized in that, described test chassis comprises: portal frame and the lead screw guide rails be fixedly installed on portal frame; Described crankshaft driving mechanism to be arranged at outside portal frame and to be driven by motor screw mechanism, the vertical height of its agent structure is equal with the vertical height of engine crankshaft, after engine has been located, crankshaft driving mechanism clamps engine crankshaft and driving crank rotates;
The side of described portal frame is provided with the control desk be connected with described probe segment, described crankshaft driving mechanism and motor screw mechanism respectively, and this control desk realizes the control to whole portal frame physical construction motion by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453947.8U CN204964197U (en) | 2015-06-29 | 2015-06-29 | Engine compression ratio on line measurement automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453947.8U CN204964197U (en) | 2015-06-29 | 2015-06-29 | Engine compression ratio on line measurement automation equipment |
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| Publication Number | Publication Date |
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| CN204964197U true CN204964197U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520453947.8U Active CN204964197U (en) | 2015-06-29 | 2015-06-29 | Engine compression ratio on line measurement automation equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371011A (en) * | 2016-10-21 | 2017-02-01 | 宁波华仑电子有限公司 | Pin location testing mechanism |
| CN106769657A (en) * | 2017-02-09 | 2017-05-31 | 杭州穆恩自动化科技有限公司 | Material compression is than method of testing and device |
| CN107246968A (en) * | 2017-07-21 | 2017-10-13 | 上汽通用五菱汽车股份有限公司 | The combustion chamber measuring apparatus and cylinder cap production line |
| CN109018428A (en) * | 2018-05-07 | 2018-12-18 | 上海交通大学 | A kind of engine installation structure load-carrying properties test device |
| CN113310699A (en) * | 2021-07-08 | 2021-08-27 | 上腾科技(广州)有限公司 | Engine cylinder parameter measuring method, measuring system and storage medium |
-
2015
- 2015-06-29 CN CN201520453947.8U patent/CN204964197U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371011A (en) * | 2016-10-21 | 2017-02-01 | 宁波华仑电子有限公司 | Pin location testing mechanism |
| CN106769657A (en) * | 2017-02-09 | 2017-05-31 | 杭州穆恩自动化科技有限公司 | Material compression is than method of testing and device |
| CN107246968A (en) * | 2017-07-21 | 2017-10-13 | 上汽通用五菱汽车股份有限公司 | The combustion chamber measuring apparatus and cylinder cap production line |
| CN107246968B (en) * | 2017-07-21 | 2019-10-18 | 上汽通用五菱汽车股份有限公司 | The combustion chamber measuring device and cylinder cap production line |
| CN109018428A (en) * | 2018-05-07 | 2018-12-18 | 上海交通大学 | A kind of engine installation structure load-carrying properties test device |
| CN113310699A (en) * | 2021-07-08 | 2021-08-27 | 上腾科技(广州)有限公司 | Engine cylinder parameter measuring method, measuring system and storage medium |
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