CN204064286U - For measuring the proving installation of leaf spring chord length and camber - Google Patents

For measuring the proving installation of leaf spring chord length and camber Download PDF

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Publication number
CN204064286U
CN204064286U CN201420445648.5U CN201420445648U CN204064286U CN 204064286 U CN204064286 U CN 204064286U CN 201420445648 U CN201420445648 U CN 201420445648U CN 204064286 U CN204064286 U CN 204064286U
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CN
China
Prior art keywords
camber
leaf spring
slide block
measurement
chord length
Prior art date
Application number
CN201420445648.5U
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Chinese (zh)
Inventor
祁显宽
吴永刚
任小飞
闫伟刚
乔保磊
徐振华
许中堂
Original Assignee
郑州宇通客车股份有限公司
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Priority to CN201420445648.5U priority Critical patent/CN204064286U/en
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Publication of CN204064286U publication Critical patent/CN204064286U/en

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Abstract

The utility model relates to the proving installation for measuring leaf spring chord length and camber.For measuring the proving installation of leaf spring chord length and camber, comprise line slideway and guiding movement and be assemblied in the first slide block, the second slide block and intermediate slider on line slideway, first slide block and the second slide block are provided with the grasswort register pin in the grasswort for plugging leaf spring respective end, intermediate slider is arranged between the first slide block and the second slide block, which is provided with along the direction guiding movement perpendicular to line slideway to measure the camber dip stick of leaf spring camber, proving installation also comprises the measurement apparatus of the spacing for measuring the first slide block and the second slide block.Above-mentioned proving installation structure is simple, can carry out Measurement accuracy easily to the chord length of leaf spring and camber.

Description

For measuring the proving installation of leaf spring chord length and camber

Technical field

The utility model relates to the proving installation for measuring leaf spring chord length and camber.

Background technology

Leaf spring is widely used in automotive suspension, it is the spring beam of the approximately equi-strength combined by some leaf length, radius-of-curvature alloy spring sheet not etc., the parameter such as chord length, camber, half chord length of leaf spring is most important in passenger vehicle suspension design, not only affect real vehicle axis of thrust length, and affect real vehicle inclination angle and main deceleration inclination angle, the most important thing is that the chord length of different passenger vehicle upper steel plate spring has material impact the serviceable life to leaf spring.The arc length of leaf spring refers to the centre distance between leaf spring two grasswort axis, half arc length refers to the distance between centre bolt in the middle part of leaf spring length direction upper steel plate spring and each grasswort axis, and camber refers to the difference in height between main leaf of spring upper surface and the two ends grasswort line of centres.At present, for the measurement of leaf spring chord length and camber, domestic bus factory and laboratory study center not yet form the relevant test method of complete set, steel ruler is mainly directly adopted to measure when present leaf spring is produced and in test, for the leaf spring that length is larger, the above co-operate of general needs two people, also not easily the corresponding of steel ruler and centre bolt is ensured when measuring camber and half arc length, measurement efficiency is low, inconvenient operation, measuring result error is large, causes larger inconvenience to the design of leaf spring, production.

Utility model content

The purpose of this utility model is to provide a kind of proving installation for measuring leaf spring chord length and camber, can carry out Measurement accuracy easily to the chord length of leaf spring and camber.

The technical scheme that the utility model adopts for the proving installation measuring leaf spring chord length and camber is: for measuring the proving installation of leaf spring chord length and camber, comprise line slideway and guiding movement and be assemblied in the first slide block on described line slideway, second slide block and intermediate slider, described first slide block and the second slide block are provided with the grasswort register pin in the grasswort for plugging leaf spring respective end, described intermediate slider is arranged between the first slide block and the second slide block, which is provided with along the direction guiding movement perpendicular to line slideway to measure the camber dip stick of leaf spring camber, described proving installation also comprises the measurement apparatus of the spacing for measuring described first slide block and the second slide block.

Described measurement apparatus comprises the ruler be axially fixed on line slideway of infrared distance measurement device and/or linearly guide rail, and described infrared distance measurement device comprises for being set to infrared range-measurement system on the first slide block and for being set to the infrared imaging plate on the second slide block and/or intermediate slider.

Described first slide block is provided with infrared range-measurement system mount pad, and described infrared range-measurement system linearly position, rail axis direction is adjustably assemblied on infrared range-measurement system mount pad.

Described line slideway comprises the rail plate and auxiliary guide rail that be arranged in parallel, and the corresponding end of rail plate and auxiliary guide rail is fixed together by guide rail fixed block, and described auxiliary guide rail is fixed with described ruler.

Described guide rail fixed block is U-shaped structure, comprises the guide rail fixed part for being fixedly connected with auxiliary guide rail with rail plate and is arranged on the guide supporting part of guide rail fixed part both sides.

Described guide rail fixed block is fixed with measurement mechanism handle.

The end of described camber dip stick is provided with the axially extended orientate indicator alignd with the centre bolt on leaf spring after moving into place at intermediate slider along grasswort register pin.

Described orientate indicator is assemblied on camber dip stick along the axially directed movement of grasswort register pin, which is provided with the pilot hole on the centre bolt that to be set to for coaxial sleeve on leaf spring.

Described grasswort register pin is multidiameter structure, and its external diameter is increased progressively with corresponding with the grasswort of corresponding size to root is stepped by projecting end.

The utility model adopts technique scheme, and the first slide block and the second slide block can coaxially be plugged in the grasswort of leaf spring corresponding end by grasswort register pin, can draw spacing between the two, the i.e. chord length of leaf spring by measurement apparatus; After intermediate slider guiding movement is put in place, camber can be recorded by the camber dip stick vertical with line slideway, structure is simple, easy to use, and good support and guiding can be provided for the first slide block and the second slide block for the line slideway of the first slide block, the second slide block and intermediate slider guiding movement assembling, thus reduce measuring error, ensure measuring accuracy, can also adapt to the leaf spring of different size, versatility is good.

Accompanying drawing explanation

Fig. 1 is that the utility model is for measuring the front view of an embodiment of the proving installation of leaf spring chord length and camber;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the structural representation of infrared range-measurement system mount pad;

Fig. 4 is the structural representation of measurement mechanism handle;

Fig. 5 is the structural representation of guide rail fixed block.

The name that in figure, each Reference numeral is corresponding is called: 1-guide rail fixed block, 2-measurement mechanism handle, 3-rail plate, 4-auxiliary guide rail, 5-ruler, 6-first slide block, 7-grasswort register pin, 8-infrared range-measurement system mount pad, 9-infrared range-measurement system, 10-fastening bolt, 11-infrared range-measurement system supporting seat, 12-second slide block, 13-infrared imaging plate, 14-intermediate slider, 15-camber dip stick, 16-orientate indicator, 17-pilot hole.

Embodiment

The utility model, for measuring an embodiment of the proving installation of leaf spring chord length and camber as shown in Fig. 1 ~ Fig. 5, is comprised line slideway and is assemblied in the first slide block 6, second slide block 12 and intermediate slider 14 on line slideway by linear bearing guiding movement.Grasswort register pin 7 on first slide block 6 and the second slide block 12 in the grasswort that line slideway is provided with for plugging leaf spring respective end, grasswort register pin 7 is multidiameter structure, its external diameter increases progressively with corresponding with the grasswort of corresponding size by projecting end to root is stepped, thus the grasswort of different leaf spring can be adapted to, versatility is good.Intermediate slider 14 is arranged between the first slide block 6 and the second slide block 12, which is provided with along the direction guiding movement perpendicular to line slideway to measure the camber dip stick 15 of leaf spring camber.

Line slideway comprises the rail plate 3 and auxiliary guide rail 4 that be arranged in parallel, and the corresponding end of rail plate 3 and auxiliary guide rail 4 is fixed together by guide rail fixed block 1, auxiliary guide rail 4 is fixed with the ruler 5 for measuring spacing between each slide block.Adopt rail plate 3 and auxiliary guide rail 4, the integral rigidity of line slideway can be strengthened, reduce distortion, and ruler 5 is set on auxiliary guide rail 4 and can be convenient to read scale and avoid ruler 5 to wear and tear.Guide rail fixed block 1 is U-shaped structure, comprise the guide rail fixed part for being fixedly connected with auxiliary guide rail 4 with rail plate 3 and be arranged on the guide supporting part of guide rail fixed part both sides, quality is light, and can provide support for guide rail, make grasswort register pin 7, camber dip stick 15 can be unsettled, avoid grasswort register pin 7, camber dip stick 15 directly contacts with supporting surface and impaired or be out of shape, placement facilitates, and can ensure measuring accuracy.Side is also fixed with measurement mechanism handle 2 in guide rail fixed block 1 side, is convenient to survey crew and carries out measurement operation and transferring test device.

First slide block 6 is fixed with infrared range-measurement system mount pad 8, infrared range-measurement system mount pad 8 comprises the infrared range-measurement system supporting seat 11 that is fixedly connected with the first slide block 6 by screw and the infrared range-measurement system holder for fixing infrared range-measurement system 9, and the bearing of trend position of corresponding infrared range-measurement system 9 linearly guide rail is adjustably arranged on infrared range-measurement system holder.Infrared range-measurement system holder is slidably located on infrared range-measurement system supporting seat 11, and is locked by fastening bolt 10.Removablely to be fixed with for the infrared imaging plate 13 corresponding with infrared range-measurement system 9 on second slide block 12 and on intermediate slider 14, when needing the chord length surveying leaf spring, only can to use the infrared imaging plate 13 on the second slide block 12; When needing side half chord length, only can use the infrared imaging plate 13 on intermediate slider 14.Certainly, in other embodiments, also mutually can stagger making two infrared imaging plates 13, corresponding with corresponding infrared imaging plate 13 by the position of adjustment infrared range-measurement system holder, to carry out chord length measurement or the measurement of half chord length.

Camber dip stick 15 on intermediate slider 14 is made up of camber guide rail and the corresponding ruler be fixed on camber guide rail, and its guiding movement is embedded on intermediate slider 14.The projecting end of camber dip stick 15 is provided with the orientate indicator 16 of the axially extended tabular along grasswort register pin 7, align with the centre bolt on leaf spring after moving into place at intermediate slider 14, the projecting end of orientate indicator 16 is provided with the pilot hole 17 on the centre bolt that to be set to for coaxial sleeve on leaf spring, the accurate contraposition of intermediate slider 14 can be ensured, ensure the accuracy of measurement result.In order to adapt to the different leaf spring of width, orientate indicator 16 is provided with the axially extended elongated hole along grasswort register pin 7, can coordinate with camber dip stick 15 guiding movement.

During use, first adjust test error: open infrared range-measurement system 9 and arbitrarily measure chord length distance L1 and record, read the yardstick L2 of ruler 5 on now auxiliary guide rail 4 and record simultaneously, calculate difference S=L1-L2 between the two; When difference S is greater than zero, infrared range-measurement system 9 should be moved along the direction of arrow in Fig. 3 | S|, when S is less than zero, Infrared survey instrument moves along arrow reverse direction in Fig. 3 | and S|, is then fixed on Infrared survey instrument on Infrared survey instrument holder.After adjustment, again measure with infrared range-measurement system 9 and ruler 5 two kinds of survey instruments, calculate difference between the two, guarantee difference range is between the two at 0 ~ 0.2mm.The measuring accuracy of the measurement mechanism that the utility model relates to is relevant with the measuring accuracy of infrared range-measurement system 9, both rulers 5, when two kinds of measurement mechanism errors are steady state value, namely, during each own error, measurement mechanism is only by the impact of line slideway axial deformation, and measurement mechanism error is 0 ~ 0.2mm; When two kinds of measurement mechanism errors are measured value (comprising error amount own and error in dipping value), during the axial deformation of measurement mechanism own, measurement mechanism error is still 0 ~ 0.2mm; Leaf spring chord length, half chord length and camber measuring accuracy error range can be met.

When measuring on-test, grasswort register pin 7 on first slide block 6 and the second slide block 12 is inserted in the grasswort at leaf spring two ends respectively, mobile intermediate slider 14, camber dip stick 15 and orientate indicator 16, the pilot hole 17 on orientate indicator 16 is made to be positioned at the centre bolt place of leaf spring, then open infrared range-measurement system 9, read and measure number, just can record the chord length of leaf spring, convenient reading, accuracy is high; By the reading of camber dip stick 15, the camber of leaf spring can be recorded; And half chord length of leaf spring can be recorded by using corresponding infrared imaging plate 13 or directly be tried to achieve by ruler 5 reading on line slideway.

In the above-described embodiments, line slideway comprises rail plate 3 and auxiliary guide rail 4, measurement apparatus for the spacing measuring described first slide block 6 and the second slide block 12 comprises the ruler 5 be axially fixed on line slideway of infrared distance measurement device and linearly guide rail, in other embodiments of the present utility model, line slideway also only can adopt a guide rail, and measurement apparatus also only can adopt infrared distance measurement device or only adopt ruler 5.

Claims (9)

1. for measuring the proving installation of leaf spring chord length and camber, it is characterized in that: comprise line slideway and guiding movement and be assemblied in the first slide block on described line slideway, second slide block and intermediate slider, described first slide block and the second slide block are provided with the grasswort register pin in the grasswort for plugging leaf spring respective end, described intermediate slider is arranged between the first slide block and the second slide block, which is provided with along the direction guiding movement perpendicular to line slideway to measure the camber dip stick of leaf spring camber, described proving installation also comprises the measurement apparatus of the spacing for measuring described first slide block and the second slide block.
2. the proving installation for measuring leaf spring chord length and camber according to claim 1, it is characterized in that: described measurement apparatus comprises the ruler be axially fixed on line slideway of infrared distance measurement device and/or linearly guide rail, described infrared distance measurement device comprises for being set to infrared range-measurement system on the first slide block and for being set to the infrared imaging plate on the second slide block and/or intermediate slider.
3. the proving installation for measuring leaf spring chord length and camber according to claim 2, it is characterized in that: described first slide block is provided with infrared range-measurement system mount pad, described infrared range-measurement system linearly position, rail axis direction is adjustably assemblied on infrared range-measurement system mount pad.
4. the proving installation for measuring leaf spring chord length and camber according to claim 2, it is characterized in that: described line slideway comprises the rail plate and auxiliary guide rail that be arranged in parallel, the corresponding end of rail plate and auxiliary guide rail is fixed together by guide rail fixed block, and described auxiliary guide rail is fixed with described ruler.
5. the proving installation for measuring leaf spring chord length and camber according to claim 4, it is characterized in that: described guide rail fixed block is U-shaped structure, comprise the guide rail fixed part for being fixedly connected with auxiliary guide rail with rail plate and be arranged on the guide supporting part of guide rail fixed part both sides.
6. the proving installation for measuring leaf spring chord length and camber according to claim 4 or 5, is characterized in that: described guide rail fixed block is fixed with measurement mechanism handle.
7. the proving installation for measuring leaf spring chord length and camber according to any one in claim 1-5, is characterized in that: the end of described camber dip stick is provided with the axially extended orientate indicator alignd with the centre bolt on leaf spring after moving into place at intermediate slider along grasswort register pin.
8. the proving installation for measuring leaf spring chord length and camber according to claim 7, it is characterized in that: described orientate indicator is assemblied on camber dip stick along the axially directed movement of grasswort register pin, which is provided with the pilot hole on the centre bolt that to be set to for coaxial sleeve on leaf spring.
9. the proving installation for measuring leaf spring chord length and camber according to any one in claim 1-5, it is characterized in that: described grasswort register pin is multidiameter structure, its external diameter is increased progressively with corresponding with the grasswort of corresponding size to root is stepped by projecting end.
CN201420445648.5U 2014-08-07 2014-08-07 For measuring the proving installation of leaf spring chord length and camber CN204064286U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106218348A (en) * 2016-08-24 2016-12-14 北汽福田汽车股份有限公司 Distance detecting method and device between leaf spring grasswort
CN106286660A (en) * 2016-10-18 2017-01-04 山东理工大学 The method for designing of the non-few sheet root Enhanced type band spring camber waiting structure in end
CN106446450A (en) * 2016-10-18 2017-02-22 山东理工大学 Method for designing end non-isostructural few-leaf end reinforced steel plate spring arc height
CN108534633A (en) * 2018-04-11 2018-09-14 安徽江淮汽车集团股份有限公司 Leaf spring camber detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106218348A (en) * 2016-08-24 2016-12-14 北汽福田汽车股份有限公司 Distance detecting method and device between leaf spring grasswort
CN106218348B (en) * 2016-08-24 2018-08-07 北汽福田汽车股份有限公司 Leaf spring grasswort spacing detection method and apparatus
CN106286660A (en) * 2016-10-18 2017-01-04 山东理工大学 The method for designing of the non-few sheet root Enhanced type band spring camber waiting structure in end
CN106446450A (en) * 2016-10-18 2017-02-22 山东理工大学 Method for designing end non-isostructural few-leaf end reinforced steel plate spring arc height
CN108534633A (en) * 2018-04-11 2018-09-14 安徽江淮汽车集团股份有限公司 Leaf spring camber detection device

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141231

Termination date: 20190807

CF01 Termination of patent right due to non-payment of annual fee