CN203732049U - Plate spring longitudinal and torsional center testing device - Google Patents
Plate spring longitudinal and torsional center testing device Download PDFInfo
- Publication number
- CN203732049U CN203732049U CN201420114857.1U CN201420114857U CN203732049U CN 203732049 U CN203732049 U CN 203732049U CN 201420114857 U CN201420114857 U CN 201420114857U CN 203732049 U CN203732049 U CN 203732049U
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- CN
- China
- Prior art keywords
- longitrorse
- leaf spring
- plate
- plate spring
- rocking arm
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Abstract
The utility model relates to a plate spring longitudinal and torsional center testing device comprising a front support rack, a base plate, a rear support rack, lifting lug plates, loading screw rods, pin shafts, a longitudinal and torsional rocking arm and pressing plates. The front support rack and the rear support rack are respectively arranged at the two front and rear ends of the base plate, one end of each lifting lug plate is arranged on the rear support rack in a rotatable manner, and the front support rack and the lifting lug plates are respectively connected with front and rear rolled lugs of a tested plate spring. Bilaterally symmetric positions at two sides of the middle part of the base plate are respectively provided with two loading screw rods that are arranged along the length direction of the tested plate spring, and the two loading screw rods at each side is provided with a pressing plate which is arranged in a penetrated manner. The plate spring longitudinal and torsional center testing device is characterized in that a plate spring longitudinal and torsional center can be measured accurately, hard point coordinates can be provided for steering knuckle arm spherical hinge point arrangement, interference generated in a steering system by plate spring longitudinal torsion can be reduced in vehicle braking processes, plate spring longitudinal torsion processes caused by vehicle emergency braking processes can be accurately and gradually demonstrated as any stroke, longitudinal and torsional coordinates of plate spring fixing points can be measured through a three-dimensional device, a track center can be fitted, and therefore hard point coordinates can be provided for steering knuckle arm arrangement.
Description
Technical field
The utility model relates to a kind of leaf spring longitrorse center proving installation, is mainly used in measuring under leaf spring full load condition the centre of twist there is longitrorse under front axle torque time.
Background technology
While producing brake hard under vehicle full load condition, because front-wheel locking produces torque to front axle, thereby cause leaf spring to be subject to front axle torque and produce longitrorse, can cause thus the interference to steering.Interference steering being produced in order to reduce leaf spring longitrorse, needs knuckle arm ball pivot point to be arranged in the longitrorse center of leaf spring in design process.But, do not measure at present the specialized equipment at leaf spring longitrorse center, main arrangement form or use experience value with reference to existing vehicle in design process, to car load, design has increased risk like this, can not avoid well the interference that in car brakeing process, leaf spring longitrorse produces steering.
Utility model content
In order to solve the above-mentioned technical matters existing in prior art, the utility model provides a kind of leaf spring longitrorse center proving installation, it can measure leaf spring longitrorse center accurately, arrange hard spot coordinate is provided for knuckle arm ball pivot point, reduce the interference that in car brakeing process, leaf spring longitrorse produces steering.
The technical solution of the utility model is achieved in that
A kind of leaf spring longitrorse center proving installation, comprise fore-stock 1, base plate 2, after-poppet 3, shackle plate 4, load screw rod 5, bearing pin 7, longitrorse rocking arm 8 and pressing plate 9, wherein, fore-stock 1 and after-poppet 3 are separately positioned on the rear and front end of base plate 2, one end of shackle plate 4 can be rotatably set on after-poppet 3, fore-stock 1 and shackle plate 4 are respectively used to the front and back grasswort of connecting test leaf spring 6, at the middle part of base plate 2, symmetrical two side positions along the length direction of testing leaf spring 6 are respectively arranged with two loading screw rods 5, on two loading screw rods 5 of each side, be equipped with a pressing plate 9, and the top of every loading screw rod 5 is provided with the nut of adjustable pressure, longitrorse rocking arm 8 is arranged between two pressing plates 9, its one end is provided with an axis hole, this axis hole is used for making longitrorse rocking arm 8 to rotate around a bearing pin, bearing pin 7 is arranged on by bearing in the axis hole of longitrorse rocking arm 8 other ends, the bottom surface of longitrorse rocking arm 8 other ends is provided with the device for fixing test leaf spring 6 middle parts, wherein, in test process, bearing pin 7 contacts with the bottom surface line of pressing plate 9 all the time and can be along pressing plate translation.
Wherein, the device at fixing test leaf spring 6 middle parts is U-bolt.
Wherein, the front and back grasswort of test leaf spring 6 is connected respectively on fore-stock 1 and shackle plate 4 by bolt.
The beneficial effects of the utility model are: the leaf spring longitrorse process that can accurately emergency brake of vehicle process be caused progressively embodies by arbitrary distance of run, thereby the longitrorse coordinate by three-dimensional device measuring leaf spring point of fixity also simulates track center, for the layout of knuckle arm provides hard spot coordinate.
Brief description of the drawings
Fig. 1 is the structural representation of leaf spring longitrorse center proving installation.
Fig. 2 is the partial schematic diagram of leaf spring longitrorse center proving installation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Shown in Fig. 1 and Fig. 2, leaf spring longitrorse center proving installation comprises fore-stock 1, base plate 2, after-poppet 3, shackle plate 4, load screw rod 5, bearing pin 7, longitrorse rocking arm 8 and pressing plate 9, wherein, fore-stock 1 and after-poppet 3 are separately positioned on the rear and front end of base plate 2, one end of shackle plate 4 can be rotatably set on after-poppet 3, fore-stock 1 and shackle plate 4 are respectively used to the front and back grasswort of connecting test leaf spring 6, at the middle part of base plate 2, symmetrical two side positions along the length direction of testing leaf spring 6 are respectively arranged with two loading screw rods 5, on two loading screw rods 5 of each side, be equipped with a pressing plate 9, and the top of every loading screw rod 5 is provided with the nut of adjustable pressure, longitrorse rocking arm 8 is arranged between two pressing plates 9, its one end is provided with an axis hole, this axis hole is used for making longitrorse rocking arm 8 to rotate around a bearing pin, bearing pin 7 is arranged on by bearing in the axis hole of longitrorse rocking arm 8 other ends, the bottom surface of longitrorse rocking arm 8 other ends is provided with the device for fixing test leaf spring 6 middle parts, wherein, in test process, bearing pin 7 contacts with the bottom surface line of pressing plate 9 all the time and can be along pressing plate translation.
According to above-mentioned proving installation, by loading screw rod, pressing plate and bearing pin have formed leaf spring vertical loading and load holding device, for leaf spring being reached and keeping rated load state; Form longitrorse charger by longitrorse rocking arm and bearing pin, bearing pin and pressing plate form guide rail mechanism, making bearing pin and pressing plate be always line contacts, guarantee that leaf spring bears vertical load and keeps constant, and make the bearing pin can be along pressing plate translation, in addition by effectively longitudinally the draw high power of damping force to leaf spring in simulating brake process of longitrorse rocker structure; The leaf spring longitrorse process causing under emergency brake of vehicle state is progressively embodied by stand, then by the longitrorse movement locus of three-dimensional testing of equipment leaf spring point of fixity and can accurately draw leaf spring longitrorse center by track fitting.
Preferably, the device at fixing test leaf spring 6 middle parts is U-bolt.
Preferably, the front and back grasswort of test leaf spring 6 is connected respectively on fore-stock 1 and shackle plate 4 by bolt.
Use procedure as the utility model preferred embodiment is as follows: the leaf spring fixing tool first fore-stock 1, base plate 2, after-poppet 3, shackle plate 4, loading screw rod 5 being formed by welding is fixed on the iron floor with T-shaped groove, two grassworts of test leaf spring 6 are connected respectively on fore-stock 1 and shackle plate 4 by bolt, then the middle part of test leaf spring 6 is connected with the bottom surface of longitrorse rocking arm 8 according to real vehicle size by U-bolt, pressing plate 9 is arranged on and loads screw rod 5, and be pressed on bearing pin 7.By tightening the nut loading on screw rod 5, test leaf spring 6 is loaded until reach leaf spring full-load trip, longitudinally progressively pull longitrorse rocking arm 8 that longitrorse rocking arm 8 is rotated around bearing pin 7 according to certain stroke along leaf spring 6, when bearing pin 7 rotates along with longitrorse rocking arm 8, produce and roll along pressing plate 9, test leaf spring 6 simultaneously and produce longitrorse, obtain leaf spring longitrorse center by testing the trajectory coordinates of point of fixity on leaf spring 6 and simulate the center of circle in three-dimensional testing of equipment leaf spring longitrorse process.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a leaf spring longitrorse center proving installation, comprise fore-stock (1), base plate (2), after-poppet (3), shackle plate (4), load screw rod (5), bearing pin (7), longitrorse rocking arm (8) and pressing plate (9), it is characterized in that, fore-stock (1) and after-poppet (3) are separately positioned on the rear and front end of base plate (2), one end of shackle plate (4) can be rotatably set on after-poppet (3), fore-stock (1) and shackle plate (4) are respectively used to the front and back grasswort of connecting test leaf spring (6), at the middle part of base plate (2), symmetrical two side positions along the length direction of testing leaf spring (6) are respectively arranged with two loading screw rods (5), on two loading screw rods (5) of each side, be equipped with a pressing plate (9), and the top of every loading screw rod (5) is provided with the nut of adjustable pressure, longitrorse rocking arm (8) is arranged between two pressing plates (9), its one end is provided with an axis hole, this axis hole is used for making longitrorse rocking arm (8) to rotate around a bearing pin, bearing pin (7) is arranged on by bearing in the axis hole of longitrorse rocking arm (8) other end, the bottom surface of longitrorse rocking arm (8) other end is provided with the device for fixing test leaf spring (6) middle part, and bearing pin in test process (7) contacts with the bottom surface line of pressing plate (9) all the time and can be along pressing plate translation.
2. leaf spring longitrorse according to claim 1 center proving installation, is characterized in that: the device at fixing test leaf spring (6) middle part is U-bolt.
3. leaf spring longitrorse according to claim 1 and 2 center proving installation, is characterized in that: the front and back grasswort of test leaf spring (6) is connected respectively on fore-stock (1) and shackle plate (4) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420114857.1U CN203732049U (en) | 2014-03-14 | 2014-03-14 | Plate spring longitudinal and torsional center testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420114857.1U CN203732049U (en) | 2014-03-14 | 2014-03-14 | Plate spring longitudinal and torsional center testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732049U true CN203732049U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420114857.1U Expired - Fee Related CN203732049U (en) | 2014-03-14 | 2014-03-14 | Plate spring longitudinal and torsional center testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732049U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289746A (en) * | 2016-08-22 | 2017-01-04 | 安徽江淮汽车股份有限公司 | A kind of leaf spring composite force Bench test methods |
| CN108444691A (en) * | 2016-08-22 | 2018-08-24 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring bearing up-down force Bench test methods |
| CN110793799A (en) * | 2019-11-22 | 2020-02-14 | 西安航天动力技术研究所 | Cable cover and cable support combined loading test device and method for simulating internal pressure load |
| CN112014091A (en) * | 2020-08-31 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
| CN112362317A (en) * | 2019-07-23 | 2021-02-12 | 北汽福田汽车股份有限公司 | Plate spring testing device and plate spring testing method |
-
2014
- 2014-03-14 CN CN201420114857.1U patent/CN203732049U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289746A (en) * | 2016-08-22 | 2017-01-04 | 安徽江淮汽车股份有限公司 | A kind of leaf spring composite force Bench test methods |
| CN108444691A (en) * | 2016-08-22 | 2018-08-24 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring bearing up-down force Bench test methods |
| CN106289746B (en) * | 2016-08-22 | 2018-09-25 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring composite force Bench test methods |
| CN112362317A (en) * | 2019-07-23 | 2021-02-12 | 北汽福田汽车股份有限公司 | Plate spring testing device and plate spring testing method |
| CN110793799A (en) * | 2019-11-22 | 2020-02-14 | 西安航天动力技术研究所 | Cable cover and cable support combined loading test device and method for simulating internal pressure load |
| CN110793799B (en) * | 2019-11-22 | 2021-04-20 | 西安航天动力技术研究所 | Cable cover and cable support combined loading test device and method for simulating internal pressure load |
| CN112014091A (en) * | 2020-08-31 | 2020-12-01 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
| CN112014091B (en) * | 2020-08-31 | 2021-08-27 | 安徽江淮汽车集团股份有限公司 | Plate spring testing device and track and rigidity testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20180314 |