CN204963826U - Horizontal drunkenness displacement measurement device of engine belt - Google Patents
Horizontal drunkenness displacement measurement device of engine belt Download PDFInfo
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- CN204963826U CN204963826U CN201520808536.6U CN201520808536U CN204963826U CN 204963826 U CN204963826 U CN 204963826U CN 201520808536 U CN201520808536 U CN 201520808536U CN 204963826 U CN204963826 U CN 204963826U
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- belt
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- retainer
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Abstract
The utility model provides a horizontal drunkenness displacement measurement device of engine belt, it relates to engine belt drunkenness displacement measurement device. The utility model discloses an in order to solve the unable problem that realizes the test of belt axial displacement drunkenness two of prior art. The utility model discloses an engine belt, the holder, displacement sensor, data line and signal reading ware, the holder cover is established at the engine belt outsidely, the left and right sides of holder all is equipped with a plurality of antifriction bearing, antifriction bearing's axis is perpendicular with the transmission direction of belt, the engine belt only contacts and drives the antifriction bearing rotation rather than the antifriction bearing of the left and right sides, displacement sensor is connected on holder left side or right side, displacement sensor's output passes through the data line and is connected with the foundation of signal reading ware. The utility model provides a because belt drunkenness volume is too big, and the engine vibration who causes increases, the belt is uttered long and high -pitched sounds and the problem of belt inordinate wear.
Description
Technical field
The utility model relates to dynamo belt play displacement measuring device, is specifically related to a kind of dynamo belt horizontal looseness displacement measuring device, belongs to engine operating condition field of measuring technique.
Background technology
At present along with the fast development of automobile industry.Automobile use amount constantly increases, and thing followed automobile is frequent in During Process of Long-term Operation occurs various durability failure.Wherein, engine is extremely shaken due to train the vibration caused and is strengthened, the faults such as belt is uttered long and high-pitched sounds, outer wheel train belt inordinate wear become most common failure, so, for avoiding engine to occur this type of fault, just to test belt displacement shifting amount in the axial direction in each train of engine at the beginning of engine design.But prior art cannot realize the test of belt shaft to top offset shifting amount.
Utility model content
The purpose of this utility model is the problem that cannot realize the test to belt axial displacement play two in order to solve prior art.
The technical solution of the utility model is: a kind of dynamo belt horizontal looseness displacement measuring device, comprise dynamo belt, retainer, displacement transducer, data line and signal reader, retainer is set in dynamo belt outside, the left and right sides of retainer is equipped with some rolling bearings, the axis of rolling bearing is vertical with the transmission direction of belt, dynamo belt only contacts with the rolling bearing of its left and right sides and drives rolling bearing to rotate, on the left of retainer or right side connection bit displacement sensor, the output terminal of displacement transducer is connected by data line and signal reader.
Described retainer comprises retainer and comprises two bearing (setting) plates in left and right and some connecting links, two bearing (setting) plates set up parallel connection by connecting link, and described rolling bearing is arranged on bearing (setting) plate, alleviate the weight of retainer, preventing from excessively causing shake because conducting oneself with dignity, producing measuring error.
Described bearing (setting) plate is H-shaped, and rolling bearing is arranged on the groove part of bearing (setting) plate, simplifies the structure of bearing (setting) plate, prevents from, because rolling bearing causes unnecessary shake in rotation process, causing measuring error.
The middle part of described bearing (setting) plate offers fixed orifice, and the probe of displacement transducer gos deep in fixed orifice.
Based on the measuring method of dynamo belt horizontal looseness displacement measuring device, comprise the following steps:
Step one: engine warm-up to water temperature is reached 87 DEG C;
Step 2: under steady state operating conditions the displacement of engine belt drive amount is measured, measuring process comprises: test process is divided into 10 test periods, the cycle length of each test period is 80s, each period-time-average is divided into 4 time periods, first time period is followed successively by 30% to the accelerator open degree of the 4th time period, 50%, 80% and 100%, the rotating speed of the engine in each cycle is that tolerance increases progressively with 500rpm, the engine speed in the cycle very first time is 1000rmp, the sample frequency of described signal reader 3 is 1KHZ, the shift value of each time cycle is recorded by signal reader 3,
Step 3: the maximum displacement numerical value of each time cycle utilizing step 2 to survey and the engine speed data of this time cycle generate rotating speed-displacement curve;
Step 4: under dynamic operation condition, the displacement of engine belt drive amount is measured, measuring process comprises: test process is divided into 4 test periods, the cycle length of each test period is 350s, be divided into three time periods each cycle length, first time period, the time of the second time period and the 3rd time period is followed successively by 50s, 100s and 200s, period 1, second round, the accelerator open degree of period 3 and period 4 is followed successively by 30%, 50%, 80% and 100%, the engine speed in each cycle is between 1000rpm to 6000rpm, the sample frequency of described signal reader 3 is 10KHZ, the shift value of each time cycle is recorded by signal reader 3,
Step 5: dynamic operation condition lower acceleration time described in recording step four and displacement changing value.
The utility model compared with prior art has following effect: the utility model only has solid bearing to contact with dynamo belt, makes dynamo belt longitudinal judder then unrestricted, and longitudinal judder component can be avoided like this to the interference of displacement transducer.Design test engine of the present utility model is under each operating condition, belt displacement shifting amount in the axial direction in inside and outside train, thus solve because belt shifting amount is excessive, and the engine luggine that causes strengthens, belt is uttered long and high-pitched sounds and the phenomenon such as belt inordinate wear, the generation of this type of fault can be avoided from root, improve overall engine quality.
Accompanying drawing explanation
Fig. 1, one-piece construction schematic diagram of the present utility model;
The vertical view of Fig. 2, Fig. 1;
The left view of dynamo belt and retainer in Fig. 3, Fig. 1;
Fig. 4, the curve map of rotating speed-displacement.
In figure 1, dynamo belt, 2, displacement transducer, 3, signal reader, 4, rolling bearing, 5, bearing (setting) plate, 6, fixed orifice, 7, connecting link, 8, data line.
Embodiment
Accompanying drawings embodiment of the present utility model: a kind of dynamo belt horizontal looseness displacement measuring device of present embodiment comprises dynamo belt 1, retainer, displacement transducer 2, data line 8 and signal reader 3, it is outside that retainer is set in dynamo belt 1, the left and right sides of retainer is equipped with some rolling bearings 4, the axis of rolling bearing 4 is vertical with the transmission direction of belt 1, dynamo belt 1 only contacts with the rolling bearing 4 being located at its left and right sides and drives rolling bearing 4 to rotate, on the left of retainer or right side connection bit displacement sensor 2, the output terminal of displacement transducer 2 is connected by data line 8 and signal reader 3.
Described retainer comprises retainer and comprises two bearing (setting) plates 5 and some connecting links 7, two bearing (setting) plates 5 set up parallel connection by connecting link 7, and described rolling bearing 4 is arranged on bearing (setting) plate 5, leaves gap between connecting link 7 and dynamo belt 1.
Described bearing (setting) plate 5 is H-shaped, and rolling bearing 4 is arranged on the groove part of bearing (setting) plate 5.
The middle part of described bearing (setting) plate 5 offers fixed orifice 6, and the probe of displacement transducer 2 gos deep in fixed orifice 6.
When carrying out belt shifting amount displacement measurement, need to choose the fragment position that in engine wheel system, the unsettled distance of dynamo belt 1 is the longest.Get its mid point end fixed displacement shifting amount sensor and stationary installation, confirm errorless after by engine cycling start.
The measuring method of dynamo belt horizontal looseness displacement measuring device, comprises the following steps:
Step one: carry out warming-up operating mode, when engine water temperature being reached 87 DEG C, thinks that warming-up completes, and starts displacement and measures examination;
Step 2: test process is 10 cycles, the cycle length in each cycle is 80s, each period-time-average is divided into 4 time periods, first time period is followed successively by 30%, 50%, 80% and 100% to the accelerator open degree of the 4th time period, the rotating speed of the engine in each cycle is that tolerance increases progressively with 500rpm, the engine speed in the cycle very first time is 1000rmp, and the sample frequency of described signal reader 3 is 1KHZ, is recorded the shift value of each time cycle by signal reader 3; Concrete Test Cycle is as table 1;
Table 1, dynamo belt shifting amount displacement measurement test steady state condition table;
Step 3: the maximum displacement numerical value of each time cycle utilizing step 2 to survey and the engine speed data of this time cycle generate rotating speed-displacement curve;
Step 4: under dynamic operation condition, the displacement of engine belt drive amount is measured, measuring process comprises: test process is divided into 4 test periods, the cycle length of each test period is 350s, be divided into three time periods each cycle length, first time period, the time of the second time period and the 3rd time period is followed successively by 50s, 100s and 200s, period 1, second round, the accelerator open degree of period 3 and period 4 is followed successively by 30%, 50%, 80% and 100%, the engine speed in each cycle is between 1000rpm to 6000rpm, the sample frequency of described signal reader 3 is 10KHZ, the shift value of each time cycle is recorded by signal reader 3, concrete dynamic operation condition is as shown in table 2,
Table 2, dynamo belt shifting amount displacement measurement test behaviour operating mode table;
Step 5: dynamic operation condition lower acceleration time described in recording step four and displacement changing value, and then the impact that analysis acceleration time length changes displacement amount.
Engine carries out durablely carrying out engine test bench characteristic test with 50 hours intervals in 450 hours, tests simultaneously and meets lower belt displacement shifting amount each, thus obtains belt fatigue and worsen curve, completes test.
Claims (4)
1. a dynamo belt horizontal looseness displacement measuring device, comprise dynamo belt (1), retainer, displacement transducer (2), data line (8) and signal reader (3), it is outside that retainer is set in dynamo belt (1), it is characterized in that: the left and right sides of retainer is equipped with some rolling bearings (4), the axis of rolling bearing (4) is vertical with the transmission direction of belt (1), dynamo belt (1) drives rolling bearing (4) to rotate, on the left of retainer or right side connection bit displacement sensor (2), the output terminal of displacement transducer (2) is connected by data line (8) and signal reader (3).
2. a kind of dynamo belt horizontal looseness displacement measuring device according to claim 1, it is characterized in that: described retainer comprises retainer and comprises two bearing (setting) plates (5) in left and right and some connecting links (7), two bearing (setting) plates (5) set up parallel connection by connecting link (7), leave gap between dynamo belt (1) and connecting link (7).
3. a kind of dynamo belt horizontal looseness displacement measuring device according to claim 2, it is characterized in that: described bearing (setting) plate (5) is H-shaped, rolling bearing (4) is arranged on the groove part of bearing (setting) plate (5).
4. a kind of dynamo belt horizontal looseness displacement measuring device according to claim 2, it is characterized in that: the middle part of described bearing (setting) plate (5) offers fixed orifice (6), the probe of displacement transducer (2) gos deep in fixed orifice (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808536.6U CN204963826U (en) | 2015-10-13 | 2015-10-13 | Horizontal drunkenness displacement measurement device of engine belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808536.6U CN204963826U (en) | 2015-10-13 | 2015-10-13 | Horizontal drunkenness displacement measurement device of engine belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204963826U true CN204963826U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808536.6U Withdrawn - After Issue CN204963826U (en) | 2015-10-13 | 2015-10-13 | Horizontal drunkenness displacement measurement device of engine belt |
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| Country | Link |
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| CN (1) | CN204963826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136084A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Engine belt transverse movement displacement measurement device and measurement method thereof |
| CN105937875A (en) * | 2016-06-30 | 2016-09-14 | 西安交通大学 | Dynamic clearance measuring instrument and measuring method thereof |
-
2015
- 2015-10-13 CN CN201520808536.6U patent/CN204963826U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136084A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Engine belt transverse movement displacement measurement device and measurement method thereof |
| CN105136084B (en) * | 2015-10-13 | 2017-10-13 | 哈尔滨东安汽车发动机制造有限公司 | A kind of dynamo belt horizontal looseness displacement measuring device and its measuring method |
| CN105937875A (en) * | 2016-06-30 | 2016-09-14 | 西安交通大学 | Dynamic clearance measuring instrument and measuring method thereof |
| CN105937875B (en) * | 2016-06-30 | 2018-10-19 | 西安交通大学 | A kind of dynamic clearance measuring instrument and its measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20171013 |
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| AV01 | Patent right actively abandoned |