CN205102808U - Engine runout amount testing arrangement - Google Patents
Engine runout amount testing arrangement Download PDFInfo
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- CN205102808U CN205102808U CN201520892610.7U CN201520892610U CN205102808U CN 205102808 U CN205102808 U CN 205102808U CN 201520892610 U CN201520892610 U CN 201520892610U CN 205102808 U CN205102808 U CN 205102808U
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Abstract
The utility model relates to an engine runout amount testing arrangement, including at least one displacement sensor, briquetting and two piece at least rod end joint bearing, displacement sensor has stiff end and measuring junction, and displacement sensor's stiff end is fixed in one side of briquetting, and the automobile body is connected through a rod end joint bearing to the opposite side of briquetting, and the engine is connected through another rod end joint bearing to displacement sensor's measuring junction, and displacement sensor is connected with the communication of distal end monitoring facilities, the device specializes the relative motion between the power assembly part adjacent with the driver's cabin under the great operating mode of its rangeability of engine runout amount to whether the residual gap of inspection protection is enough.
Description
Technical field
The utility model relates to a kind of engine jerk value proving installation, belongs to vehicle detection apparatus technical field.
Background technology
The engine of vehicle is the ubiquity engine phenomenon of beating operationally, for avoiding operating engine and pilothouse associated components to interfere, in Car design link, has one to protect gap between engine and pilothouse.In prior art, consider that engine and pilothouse are protected gap level and usually confirmed by the static vision inspection of profile.And in actual vehicle use procedure, there is a larger dynamic changing process in this gap width, because the level of gap width engine start, closedown and vehicle bad road travel and by melt pit time, its amplitude of variation is comparatively large, only can not guarantee that whether protection gap is suitable completely by static vision inspection.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provides a kind of can beating to engine to carry out the engine pulsation measurement device of continuation measurement.
In order to solve above technical matters, the utility model provides a kind of engine pulsation measurement device, comprises at least one displacement transducer, briquetting and at least two spherical plain bearing rod ends (sliding bearing that oscillating bearing mainly has the inner ring of spherical outside surface and to have the outer ring special construction of Internal Spherical Surface by.Larger load can be born.), displacement transducer, briquetting are coaxially connected extension with spherical plain bearing rod end, displacement transducer has stiff end and measuring junction, the stiff end of displacement transducer is fixed on the side of briquetting, the opposite side of briquetting connects vehicle body by a spherical plain bearing rod end, the measuring junction of displacement transducer is by another spherical plain bearing rod end connecting engine, and displacement transducer is connected with the communication of far-end monitoring equipment.Relative motion between part adjacent with pilothouse for power assembly, for measuring engine jerk value, particularly under the operating mode that its amplitude of variation of engine jerk value is larger, is specialized by this device, to check that whether the residual gap of protection is enough.
The technical scheme that the utility model limits further is:
Further, also comprise at least two pieces of base plates, wherein one piece of base plate is fixed between spherical plain bearing rod end and vehicle body, and another block base plate is fixed between spherical plain bearing rod end and engine.
Further, displacement transducer is LVDT differential transformer displace￣ ment transducer.
Further, spherical plain bearing rod end connects briquetting by screw rod, displacement transducer is primarily of displacement transducer shell and the displacement transducer measuring staff composition being placed in displacement transducer, the bottom of displacement transducer shell and one end of briquetting are fixed, and one end of displacement transducer measuring staff is by spherical plain bearing rod end connecting engine.
Further, U-type groove is had along with institute displacement sensors measuring staff vertical direction in the middle part of briquetting, the connecting line of displacement transducer measuring staff is passed by described U-type groove portion, respectively there is a through hole being through to U-type groove at briquetting two ends, two through holes are connected with spherical plain bearing rod end with displacement transducer housing respectively, wherein the through hole of installation position displacement sensor housing is unthreaded hole, and the through hole installing spherical plain bearing rod end is threaded hole, and the aperture of threaded hole is identical with spherical plain bearing rod end internal thread aperture.
Further, the unthreaded hole side of briquetting is provided with along institute's displacement sensors measuring staff direction the groove that runs through whole unthreaded hole.
Further, tapped through hole and U-type groove connectivity part pre-install the hexagon socket head cap screw that can be spirally connected with displacement transducer housing.
Further, base plate is angle steel, and spherical plain bearing rod end is bolted on base plate.
The beneficial effects of the utility model are: the utility model adopts technique scheme, and during use, the briquetting of this proving installation not only secures displacement transducer housing but also is connected to spherical plain bearing rod end, simplifies proving installation structure.The two ends of this proving installation are connected with base plate by spherical plain bearing rod end, banking motion is made in the angular range that spherical plain bearing rod end can be certain, degree of freedom in release all directions, the displacement transducer two ends that disalignment is moved can be adjusted to moved in coaxial, play fixation along on draw direction simultaneously.In engine jerk value testing experiment, measure the variable quantity of displacement at engine left and right side and this proving installation of top layout simultaneously.This proving installation structure is simple, easy to operate, has both ensured that the realization of displacement sensor in turn ensure that the precision of displacement sensor.Can measure the variable quantity of engine relative to vehicle body fore-and-aft direction, transverse direction and vertical direction displacement, testing efficiency is high, easy to use simultaneously.
Accompanying drawing explanation
Fig. 1 is point layout and the structural representation of measurement mechanism of the present utility model;
Fig. 2 is the structural representation of measurement mechanism of the present utility model;
Base plate 1a, base plate 1b, spherical plain bearing rod end 2a, spherical plain bearing rod end 2b, nut 3a, nut 3b, briquetting 4, displacement transducer 5, displacement transducer measuring staff 5a, displacement transducer housing 5b, screw rod 6, hexagon socket head cap screw 7, bolt 8, nut 9, vehicle body 10, engine 11.
Embodiment
embodiment 1
A kind of engine jerk value proving installation, as Figure 1-Figure 2, this device comprises displacement transducer 5, spherical plain bearing rod end 2a, spherical plain bearing rod end 2b, briquetting 4, base plate 1a and base plate 1b.Displacement transducer 5 is made up of screwed displacement transducer measuring staff 5a and displacement transducer housing 5b, and wherein displacement transducer measuring staff 5a is directly connected with spherical plain bearing rod end 2b and is fixed by nut 3b.Spherical plain bearing rod end 2b is fixed on the base plate 1b of connecting engine 11 by bolt 8 and nut 9.Displacement transducer housing 5b to be connected on briquetting 4 one end and to be fixed by hexagon socket head cap screw 7.Briquetting 4 other end to be connected with spherical plain bearing rod end 2a by screw rod 6 and to be fixed by 2 nut 3a.Spherical plain bearing rod end 2a to be fixed on nut 9 by bolt 8 and to be connected on the base plate 1a of vehicle body.
As shown in Figure 2, spherical plain bearing rod end 2a and spherical plain bearing rod end 2b one end are female joints, and wherein spherical plain bearing rod end 2b can directly be connected with displacement transducer measuring staff 5a, and the other end makes banking motion in angular range that bulb can be certain.When engine 11 link and the motion of vehicle body 10 link disalignment, spherical plain bearing rod end 2a and 2b can discharge the degree of freedom in all directions, and displacement transducer 5 two ends are adjusted to moved in coaxial, ensures the realization of measuring.
As shown in Figure 2, there is a groove briquetting 4 side, is two by unthreaded hole place briquetting part one.There is a tapped through hole briquetting 4 unthreaded hole side, and the briquetting both sides that unthreaded hole place one is two through tapped through hole by hexagon socket head cap screw 7 compress, thus are fixedly mounted on the displacement transducer housing 5 in unthreaded hole.
As shown in Figure 2, have U-type groove along with institute displacement sensors measuring staff 5a vertical direction in the middle part of briquetting 4, two ends respectively have a through hole all to extend through U-type groove position.Wherein one end is that threaded hole is connected with screw rod 6.The other end is unthreaded hole, and displacement transducer housing 5b is arranged in the middle of unthreaded hole, and connecting line passes through U-type groove.Briquetting 4, by while hexagon socket head cap screw 7 fixed displacement sensor housing 5b, connects spherical plain bearing rod end 2a by screw rod 6, simplifies proving installation structure.
As shown in Figure 1, respectively arrange 2 cover measurement mechanisms in engine 11 arranged on left and right sides, measure the variable quantity of engine 11 and vertical direction displacement horizontal relative to vehicle body 10.Overlap measurement mechanism in engine 11 top layout 1, measure the variable quantity of engine 11 relative to the displacement of vehicle body 10 fore-and-aft direction.
As shown in Figure 1, when layout 2 overlap measurement mechanism measure the variable quantity of engine 11 and vertical direction displacement horizontal relative to vehicle body 10 simultaneously time, be connected the spherical plain bearing rod end 2b of 2 cover measurement mechanism displacement transducer measuring staff 5a with bolt 8 and nut 9 simultaneously and be fixed on the base plate 1b of same connecting engine 11, simplifying test system structure.
The step that the test method of this engine jerk value proving installation adopts is as follows:
(1) base plate 1a and 1b is arranged on vehicle body 10 and engine 11, when noting the variable quantity measuring fore-and-aft direction and transversal displacement during installation, two pieces of base plate 1a and the 1b position at displacement transducer 5a and 5b two ends ensure on same surface level, and when measuring the variable quantity of vertical direction displacement, two pieces of base plate 1a at displacement transducer 5a and 5b two ends and 1b position ensure in same vertical plane.
(2) two ends of displacement transducer 5a with 5b are connected with spherical plain bearing rod end 2a with 2b with briquetting 4 respectively.Spherical plain bearing rod end 2a and 2b being connected to displacement transducer 5a and 5b two ends is fixed on and is arranged on base plate 1a and 1b of vehicle body 10 and engine 11.
(3) wiring of 5 cover displacement transducer 5a and 5b is connected on data acquisition equipment, the Data acquisition and issuance of engine jerk value can be realized.
This proving installation structure is simple, easy to operate, has both ensured that the realization of displacement sensor in turn ensure that the precision of displacement sensor.Can measure the variable quantity of engine relative to vehicle body fore-and-aft direction, transverse direction and vertical direction displacement, testing efficiency is high, easy to use simultaneously.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. an engine jerk value proving installation, comprise at least one displacement transducer, briquetting and at least two spherical plain bearing rod ends, it is characterized in that: institute's displacement sensors, briquetting is coaxially connected extension with spherical plain bearing rod end, institute's displacement sensors has stiff end and measuring junction, the stiff end of institute's displacement sensors is fixed on the side of briquetting, the opposite side of described briquetting connects vehicle body by a spherical plain bearing rod end, the measuring junction of institute's displacement sensors is by another spherical plain bearing rod end connecting engine, institute's displacement sensors is connected with the communication of far-end monitoring equipment.
2. engine jerk value proving installation according to claim 1, is characterized in that: also comprise at least two pieces of base plates, and wherein one piece of base plate is fixed between spherical plain bearing rod end and vehicle body, and another block base plate is fixed between spherical plain bearing rod end and engine.
3. engine jerk value proving installation according to claim 1, is characterized in that: institute's displacement sensors is LVDT differential transformer displace￣ ment transducer.
4. engine jerk value proving installation according to claim 1, it is characterized in that: described spherical plain bearing rod end connects briquetting by screw rod, institute's displacement sensors is primarily of displacement transducer shell and the displacement transducer measuring staff composition being placed in institute's displacement sensors, the bottom of institute's displacement sensors shell and one end of briquetting are fixed, and one end of institute's displacement sensors measuring staff is by spherical plain bearing rod end connecting engine.
5. engine jerk value proving installation according to claim 4, it is characterized in that: in the middle part of described briquetting, have U-type groove along with institute displacement sensors measuring staff vertical direction, the connecting line of institute's displacement sensors measuring staff is passed by described U-type groove portion, respectively there is a through hole being through to U-type groove at described briquetting two ends, two described through holes are connected with described spherical plain bearing rod end with institute displacement sensors housing respectively, the through hole wherein installing institute's displacement sensors housing is unthreaded hole, the through hole installing described spherical plain bearing rod end is threaded hole, the aperture of described threaded hole is identical with described spherical plain bearing rod end internal thread aperture.
6. engine jerk value proving installation according to claim 5, is characterized in that: the unthreaded hole side of described briquetting is provided with along institute's displacement sensors measuring staff direction the groove that runs through whole unthreaded hole.
7. engine jerk value proving installation according to claim 5, is characterized in that: described tapped through hole and U-type groove connectivity part pre-install the hexagon socket head cap screw that can be spirally connected with institute's displacement sensors housing.
8. engine jerk value proving installation according to claim 2, is characterized in that: described base plate is angle steel, and described spherical plain bearing rod end is bolted on base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892610.7U CN205102808U (en) | 2015-11-10 | 2015-11-10 | Engine runout amount testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892610.7U CN205102808U (en) | 2015-11-10 | 2015-11-10 | Engine runout amount testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205102808U true CN205102808U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520892610.7U Active CN205102808U (en) | 2015-11-10 | 2015-11-10 | Engine runout amount testing arrangement |
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| CN (1) | CN205102808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490489A (en) * | 2017-06-28 | 2017-12-19 | 奇瑞汽车股份有限公司 | The method that the checking of automobile power assembly attitude angle is checked |
-
2015
- 2015-11-10 CN CN201520892610.7U patent/CN205102808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490489A (en) * | 2017-06-28 | 2017-12-19 | 奇瑞汽车股份有限公司 | The method that the checking of automobile power assembly attitude angle is checked |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |