CN104697781A - Engine hood testing tooling - Google Patents
Engine hood testing tooling Download PDFInfo
- Publication number
- CN104697781A CN104697781A CN201510127524.1A CN201510127524A CN104697781A CN 104697781 A CN104697781 A CN 104697781A CN 201510127524 A CN201510127524 A CN 201510127524A CN 104697781 A CN104697781 A CN 104697781A
- Authority
- CN
- China
- Prior art keywords
- hood
- tested
- constraint
- support body
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an engine hood testing tooling, which is used for testing longitudinal rigidity of an engine hood and comprises a restraining device for fixing a to-be-tested engine hood, a loading device for providing testing pressure for the to-be-tested engine hood, a displacement sensor for testing the longitudinal deformation quantity of the to-be-tested engine hood and an adjusting device for adjusting a position between the loading device and the displacement sensor. The testing pressure is applied to a to-be-tested area of the to-be-tested engine hood by means of the loading device, and the longitudinal deformation quantity of the to-be-tested engine hood caused by the testing pressure is tested by the displacement sensor, so that the testing of the longitudinal rigidity of the engine hood is realized; the engine hood testing tooling is simple in structure and convenient in operation; and the design cost and the labor cost for the testing of the engine hood are reduced on a certain extent.
Description
Technical field
The present invention relates to auto parts and components test fixture design field, particularly relate to a kind of hood test fixture.
Background technology
Hood is one of the most eye-catching vehicle body parts, is also one of the auto parts and components that often will watch of client.The structurally general of hood is made up of outside plate and inner panel, and therebetween is with heat-barrier material, and inner panel plays the effect strengthening rigidity, and its geometric configuration is chosen by producer, is bound form substantially.To the major requirement of hood be heat-insulating sound-insulating, sole mass is light, rigidity is strong.Therefore, the quality of its performance, directly affects the overall performance of vehicle body.If hood rigidity is unreasonable, can causes producing vibration, noise and sealing property and reduce, even may affect the performance of hood hinge and lock performance, cause unnecessary damage to occur.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of hood test fixture, can test the longitudinal rigidity of hood, avoid hood rigidity unreasonable and the problem causing performance to reduce.
According to one aspect of the present invention, provide a kind of hood test fixture, for the longitudinal rigidity of test engine lid, comprising:
The restraint device of fixing hood to be tested;
For hood to be tested provides the charger of test pressure, be positioned at the region to be tested of hood to be tested;
Test the displacement transducer of hood longitudinal deformation amount to be tested, be positioned at the below in region to be tested; And
Adjusting gear, one end is connected with charger, and the other end of adjusting gear is installed with displacement transducer; Wherein, adjusting gear can be used for adjusting the position between charger and displacement transducer.
Alternatively, restraint device comprises:
Two first constraint supportings, match fixing with the hinge of hood to be tested respectively;
Two second constraint supportings, match fixing with the buffing pad of hood to be tested respectively; And
One the 3rd constraint supporting, matches fixing with the latch hook of hood to be tested.
Alternatively, the first constraint supporting, comprising:
First firm banking;
First constraint support body, is fixedly connected with the first firm banking;
Surround plate, be sheathed on the first constraint support body outside, and can move along the bearing of trend of the first constraint support body; And
L shape back-up block, one end is fixed on and is surrounded on plate, and the other end of L shape back-up block is provided with a fixed part, and fixed part matches with the hinge of hood to be tested.
Alternatively, the second constraint supporting comprises:
Second firm banking;
Second constraint support body, is fixedly connected with the second firm banking;
First adjuster bar, is arranged in the second constraint support body, and can stretch along the bearing of trend of the second constraint support body; And
Coupling bolt, is fixed on the end of the first adjuster bar; Wherein, the buffing pad of hood to be tested is fixed on the first adjuster bar by coupling bolt.
Alternatively, the 3rd constraint supporting comprises:
3rd firm banking;
3rd constraint support body, is fixedly connected with the 3rd firm banking;
Second adjuster bar, is arranged in the 3rd constraint support body, and can stretch along the bearing of trend of the 3rd constraint support body; And
Fixed hook, is fixed on the end of the second adjuster bar, and wherein, fixed hook can be hooked on the latch hook of hood to be tested.
Alternatively, charger comprises:
Load supporting, comprising: base, and the loading support body be fixedly connected with base;
Loading motor, is fixed on and loads in support body;
Digital display force snesor, is electrically connected with loading motor; And
Loading blocks, is connected with digital display force snesor, and the pressure that loading blocks is used for being provided by loading motor is passed to the region to be tested of hood to be tested.
Alternatively, adjusting gear comprises:
Adjustment swing arm, is connected with charger;
Magnetic stand, is fixed on the other end of adjustment swing arm relative to charger; Wherein, displacement transducer is fixed on magnetic stand.
Alternatively, this hood test fixture also comprises: the ball between displacement transducer and adjusting gear.
Alternatively, the first adjuster bar is adjustable diameter and screw adjusting bar.
Alternatively, the second adjuster bar is adjustable diameter and screw adjusting bar.
The beneficial effect of embodiments of the invention is: a kind of hood test fixture, the region to be tested of being treated test engine lid by charger applies test pressure, the longitudinal deformation amount of the hood to be tested caused by above-mentioned test pressure is tested again by displacement transducer, to realize the longitudinal rigidity of test engine lid, this Engine Block Test tool structure is simple, and easy and simple to handle, reduce design cost and the cost of labor of hood test to a certain extent.
Accompanying drawing explanation
Fig. 1 represents the structural representation of hood test fixture of the present invention;
Fig. 2 represents the vertical view of hood test fixture of the present invention;
Fig. 3 represents the structural representation of the first constraint supporting of hood test fixture;
Fig. 4 represents the structural representation of the second constraint supporting of hood test fixture;
Fig. 5 represents the structural representation of the 3rd constraint supporting of hood test fixture;
Fig. 6 represents the charger of hood test fixture and the structural representation of adjusting gear.
Wherein in figure: 1, restraint device, 2, charger, 3, displacement transducer, 4, adjusting gear, 5, ball;
11, the first constraint supporting, the 12, second constraint supporting, the 13, the 3rd constraint supporting;
21, supporting is loaded, 22, loading motor, 23, digital display force snesor, 24, loading blocks;
41, swing arm is adjusted, 42, magnetic stand;
111, the first firm banking, the 112, first constraint support body, 113, surround plate, 114, L shape back-up block;
121, the second firm banking, the 122, second constraint support body, the 123, first adjuster bar, 124, coupling bolt;
131, the 3rd firm banking, the 132, the 3rd constraint support body, the 133, second adjuster bar, 134, fixed hook.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present invention is described in more detail.Although show exemplary embodiment of the present invention in accompanying drawing, however should be appreciated that can realize the present invention in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the present invention can be understood, and complete for scope of the present invention can be conveyed to those skilled in the art.
Embodiment
Hood is the most eye-catching vehicle body parts, the rigidity of hood drastically influence its performance, the rigidity of general hood comprises: lateral rigidity, longitudinal rigidity and torsional rigidity, as depicted in figs. 1 and 2, The embodiment provides a kind of hood test fixture, for the longitudinal rigidity of test engine lid.This test fixture comprises: restraint device 1, charger 2, displacement transducer 3 and adjusting gear 4.Wherein,
Restraint device 1, be mainly used in fixing hood to be tested, because the rear portion of hood schedules on vehicle body by hinges fixing, the front portion of hood by buffing pad and latch hook to contact with vehicle body realize fixing, restraint device 1 in the embodiment of the present invention also retrains the hinge of hood, buffing pad and latch hook respectively, with realize to hood is actual use in scenario simulation.
Charger 2, the region to be tested be mainly used in as hood to be tested provides loading force, and when area change to be tested, removable charger 2 is to coordinate test.
Displacement transducer 3, is mainly used in testing the longitudinal deformation amount that hood to be tested produces under test pressure, and when testing, displacement transducer 3 is installed on the predeterminated position of the below in region to be tested.
Adjusting gear 4, one end is connected with charger 2, the other end is installed with displacement transducer 3, adjusting gear 4 is mainly used in adjusting the position relationship between charger 2 and displacement transducer 3, in test process, in order to ensure the accuracy of testing, should ensure that charger 2 is vertical with hood with displacement transducer 3 place straight line, position relationship between the adjustable charger 2 of adjusting gear 4 and displacement transducer 3, ensures the accuracy of test.
As shown in Figure 1, the hood test fixture in the embodiment of the present invention, treats the effect of contraction of test engine lid by restraint device 1, simulation practical application scene; The region to be tested of being treated test engine lid by charger 2 applies test pressure, the longitudinal deformation amount of the hood to be tested caused by above-mentioned test pressure is tested again by displacement transducer 3, to realize the test to the longitudinal rigidity of hood, this Engine Block Test tool structure is simple, and easy and simple to handle, reduce design cost and the cost of labor of hood test to a certain extent.
Alternatively, as shown in Figure 1, restraint device 1 comprises: two first constraint supporting 11, two second constraint supportings 12 and one the 3rd constraint supporting 13, wherein, first constraint supporting 11 matches fixing with the hinge of hood to be tested respectively, realizes the scenario simulation that hood is connected with vehicle body; Second constraint supporting 12 matches fixing with the buffing pad of hood to be tested respectively, and the 3rd constraint supporting 13 matches fixing with the latch hook of hood to be tested, realizes scenario simulation when hood fastens.
Alternatively, as shown in Figure 3, the structure of the first constraint supporting 11 has multiple Design and implementation mode, and the present embodiment is only using structure as described below as explanation.First constraint supporting 11 comprises: the first firm banking 111, first retrains support body 112, surrounds plate 113 and L shape back-up block; Wherein, first firm banking 111 can be fixed on floor with guarantee level, first constraint support body 112 is fixedly connected with the first firm banking 111, surround plate 113 and be sheathed on the first constraint support body 112 outside, and can move to adjust height along the bearing of trend of the first constraint support body 112; L shape back-up block 114 one end is fixed on and is surrounded on plate 113, and the other end is provided with the fixed part that can match with the hinge of hood.
Alternatively, retrain support similar to first, as shown in Figure 4, the second constraint supporting 12 comprises: the second firm banking 121, second retrains support body 122, first adjuster bar 123 and coupling bolt 124; Wherein, second firm banking 121 can be fixed on floor with guarantee level, second constraint support body 122 is fixedly connected with the second firm banking 121, it is inner that first adjuster bar 123 is arranged in the second constraint support body 122, and can be flexible to adjust height along the bearing of trend of the second constraint support body 122; Coupling bolt 124 is fixed on the end of the first adjuster bar 123, and this coupling bolt 124 is for the buffing pad of stationary engine lid.
Alternatively, as shown in Figure 5, the 3rd constraint supporting 13 comprises: the 3rd firm banking 131, the 3rd constraint support body 132, second adjuster bar 133 and fixed hook 134; Wherein, 3rd firm banking 131 can be fixed on floor with guarantee level, 3rd constraint support body 132 is fixedly connected with the 3rd firm banking 131, it is inner that second adjuster bar 133 is arranged in the 3rd constraint support body 132, and can be flexible to adjust height along the bearing of trend of the 3rd constraint support body 132; Fixed hook 134 is fixed on the end of the second adjuster bar 133, can be hooked on the latch hook of hood to be tested.
Alternatively, charger is used for providing test pressure for hood to be tested, and as shown in Figure 6, charger comprises: load supporting 21, loading motor 22, digital display force snesor 23 and loading blocks 24.Wherein, load supporting 21 to be fixed on floor with guarantee level, load supporting 21 and first to retrain and support, second constraint supporting or the 3rd constraint are supported similar, comprise: base, and the loading support body to be fixedly connected with base, loading motor 22 is fixed on and loads in support body, for generation of driving force, digital display force snesor 23 is connected with loading motor 22, for showing the current force size of loading motor 22, loading blocks 24 is connected with digital display force snesor 23, be mainly used in the region to be tested test pressure that loading motor 22 provides being passed to hood to be tested.Wherein, the size of loading blocks 24 is generally 50mm*50mm*20mm, and direct imposed load is on hood.Loading blocks 24 is arranged in overlying regions to be tested, displacement transducer 3 is arranged in below region to be tested, when test engine lid applying pressure treated by loading motor 22, digital display force snesor 23 can read the value of loaded load in real time, can there is longitudinal deformation in hood under test pressure, displacement transducer 3 can the longitudinal deformation amount of Real-time Collection hood, utilizes formula:
Wherein, K represents rigidity, and F represents the value of loaded load, and Δ S represents length travel variable quantity, and adopt the longitudinal rigidity of said apparatus test engine lid easy to operate, dismounting is convenient, and can reflect test result intuitively.
Alternatively, adjusting gear is mainly used in the position relationship of adjusted position displacement sensor and charger, as shown in Figure 6, adjusting gear comprises: adjustment swing arm 41 and magnetic stand 42, adjustment swing arm 41 is connected with charger, magnetic stand 42 is fixed on the other end of adjustment swing arm 41 relative to charger, and displacement transducer 3 is fixed on magnetic stand 42.
Alternatively, as shown in Figure 5, in order to offset the error that gap is caused displacement, this hood test fixture also comprises: the ball 5 between displacement transducer 3 and adjusting gear 4.
Alternatively, the form that can realize the adjuster bar of regulating action has multiple, such as: adjustable diameter and screw adjusting bar, hydraulic regulation bar or pneumatic nozzle link etc., preferably, the first adjuster bar can select adjustable diameter and screw adjusting bar.
Alternatively, similar with the first adjuster bar, the second adjuster bar also preferably selects adjustable diameter and screw adjusting bar.
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements and modifications are also in protection scope of the present invention.
Claims (10)
1. a hood test fixture, for the longitudinal rigidity of test engine lid, is characterized in that, comprising:
The restraint device of fixing hood to be tested;
For described hood to be tested provides the charger of test pressure, be positioned at the region to be tested of described hood to be tested;
Test the displacement transducer of described hood longitudinal deformation amount to be tested, be positioned at the below in described region to be tested; And
Adjusting gear, one end is connected with described charger, and the other end of described adjusting gear is installed with institute's displacement sensors; Wherein, described adjusting gear can be used for adjusting the position between described charger and institute's displacement sensors.
2. hood test fixture according to claim 1, is characterized in that, described restraint device comprises:
Two first constraint supportings, match fixing with the hinge of described hood to be tested respectively;
Two second constraint supportings, match fixing with the buffing pad of described hood to be tested respectively; And
One the 3rd constraint supporting, matches fixing with the latch hook of described hood to be tested.
3. hood test fixture according to claim 2, is characterized in that, described first constraint supporting, comprising:
First firm banking;
First constraint support body, is fixedly connected with described first firm banking;
Surround plate, be sheathed on described first constraint support body outside, and can move along the bearing of trend of described first constraint support body; And
L shape back-up block, one end is fixed on described encirclement plate, and the other end of described L shape back-up block is provided with a fixed part, and described fixed part matches with the hinge of described hood to be tested.
4. hood test fixture according to claim 2, is characterized in that, described second constraint supporting comprises:
Second firm banking;
Second constraint support body, is fixedly connected with described second firm banking;
First adjuster bar, is arranged in described second constraint support body, and can stretch along the bearing of trend of described second constraint support body; And
Coupling bolt, is fixed on the end of described first adjuster bar; Wherein, the buffing pad of described hood to be tested is fixed on described first adjuster bar by described coupling bolt.
5. hood test fixture according to claim 2, is characterized in that, described 3rd constraint supporting comprises:
3rd firm banking;
3rd constraint support body, is fixedly connected with described 3rd firm banking;
Second adjuster bar, is arranged in described 3rd constraint support body, and can stretch along the bearing of trend of described 3rd constraint support body; And
Fixed hook, is fixed on the end of described second adjuster bar, and wherein, described fixed hook can be hooked on the latch hook of described hood to be tested.
6. hood test fixture according to claim 1, is characterized in that, described charger comprises:
Load supporting, comprising: base, and the loading support body be fixedly connected with described base;
Loading motor, is fixed in described loading support body;
Digital display force snesor, is electrically connected with described loading motor; And
Loading blocks, is connected with described digital display force snesor, and described loading blocks is used for the region to be tested pressure that described loading motor provides being passed to described hood to be tested.
7. hood test fixture according to claim 1, is characterized in that, described adjusting gear comprises:
Adjustment swing arm, is connected with described charger;
Magnetic stand, is fixed on the other end of described adjustment swing arm relative to described charger; Wherein, institute's displacement sensors is fixed on described magnetic stand.
8. hood test fixture according to claim 1, is characterized in that, also comprise: the ball between institute's displacement sensors and described adjusting gear.
9. hood test fixture according to claim 4, is characterized in that, described first adjuster bar is adjustable diameter and screw adjusting bar.
10. hood test fixture according to claim 5, is characterized in that, described second adjuster bar is adjustable diameter and screw adjusting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127524.1A CN104697781A (en) | 2015-03-23 | 2015-03-23 | Engine hood testing tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127524.1A CN104697781A (en) | 2015-03-23 | 2015-03-23 | Engine hood testing tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104697781A true CN104697781A (en) | 2015-06-10 |
Family
ID=53345139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510127524.1A Pending CN104697781A (en) | 2015-03-23 | 2015-03-23 | Engine hood testing tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104697781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748025A (en) * | 2019-10-31 | 2021-05-04 | 北京新能源汽车股份有限公司 | Battery package torsional rigidity testing arrangement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993911A (en) * | 1982-11-22 | 1984-05-30 | Fuji Valve Kk | Leak down testing device of oil pressure adjusters for internal-combustion engine |
| CN102466570A (en) * | 2011-09-01 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Collision test device for protecting legs of pedestrian and use method thereof |
| CN102466557A (en) * | 2011-08-11 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Stiffness test bench device of debugging engine hood and use method thereof |
| CN103018024A (en) * | 2012-12-03 | 2013-04-03 | 奇瑞汽车股份有限公司 | Method for evaluating torsional rigidity |
| CN103149034A (en) * | 2013-02-18 | 2013-06-12 | 湖南湖大艾盛汽车技术开发有限公司 | Rigidity experiment bench equipment for opening and closing part |
| CN104374247A (en) * | 2014-10-20 | 2015-02-25 | 湖南湖大艾盛汽车技术开发有限公司 | Modularization detection device for automobile engine cover |
| CN204575306U (en) * | 2015-03-23 | 2015-08-19 | 北京汽车研究总院有限公司 | A kind of hood test fixture |
-
2015
- 2015-03-23 CN CN201510127524.1A patent/CN104697781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993911A (en) * | 1982-11-22 | 1984-05-30 | Fuji Valve Kk | Leak down testing device of oil pressure adjusters for internal-combustion engine |
| CN102466557A (en) * | 2011-08-11 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Stiffness test bench device of debugging engine hood and use method thereof |
| CN102466570A (en) * | 2011-09-01 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Collision test device for protecting legs of pedestrian and use method thereof |
| CN103018024A (en) * | 2012-12-03 | 2013-04-03 | 奇瑞汽车股份有限公司 | Method for evaluating torsional rigidity |
| CN103149034A (en) * | 2013-02-18 | 2013-06-12 | 湖南湖大艾盛汽车技术开发有限公司 | Rigidity experiment bench equipment for opening and closing part |
| CN104374247A (en) * | 2014-10-20 | 2015-02-25 | 湖南湖大艾盛汽车技术开发有限公司 | Modularization detection device for automobile engine cover |
| CN204575306U (en) * | 2015-03-23 | 2015-08-19 | 北京汽车研究总院有限公司 | A kind of hood test fixture |
Non-Patent Citations (1)
| Title |
|---|
| 朱天军: "轿车发动机罩静态刚度分析", 《河北工程大学学报（自然科学版）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748025A (en) * | 2019-10-31 | 2021-05-04 | 北京新能源汽车股份有限公司 | Battery package torsional rigidity testing arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102455251B (en) | Automotive body in white torsion rigidity test system and method thereof | |
| CN203824825U (en) | Device for loading sinking resistance performance of coverage piece outside automobile body and equipment for testing sinking resistance performance of coverage piece outside automobile body | |
| CN102455250A (en) | System and method for testing body-in-white bending rigidity of automobile | |
| CN105784347A (en) | System and method for testing dynamic characteristics of helical spring | |
| CN102089723B (en) | Method and system for applying a coating material using a programmable robot | |
| CN106556499A (en) | A kind of leaf spring device for testing stiffness | |
| CN204649392U (en) | A kind of hood test fixture | |
| CN204575306U (en) | A kind of hood test fixture | |
| WO2006136452A1 (en) | System and method for compensating bearings of an assembly | |
| CN104697781A (en) | Engine hood testing tooling | |
| CN106610337A (en) | Device for testing torsional fatigue of semi-shaft and transmission shaft of automobile | |
| CN105628402B (en) | A kind of torsion beam of automobile rear axle fatigue experimental device | |
| CN102353540B (en) | Slip testing apparatus for high-speed rolling bearing | |
| CN106064189A (en) | A kind of new automobile door closure rolling head mechanism | |
| CN107101840B (en) | Wheel is to test booster and wheel track pilot system | |
| JP6090403B1 (en) | Vehicle restraint device | |
| KR100895796B1 (en) | Test apparatus of bush-type mount for automobile engine support | |
| CN105499693B (en) | Shearing device, robot and robot system | |
| CN207556874U (en) | A kind of novel axle fatigue test device | |
| US20060229791A1 (en) | Methods for evaluating dynamic characteristics of vehicle dampers at low velocities | |
| CN105882395B (en) | Gear-box side suspending soft cushion assembly and suspension system | |
| CN106363092B (en) | A kind of idler wheel mechanism for white body skylight bound edge | |
| CN104280230A (en) | Torsion test device and method for air spring | |
| CN104019981B (en) | Charger and simultaneously load the method for axial force with this device to two elastic elements | |
| CN203116722U (en) | Automobile brake clearance automatic adjusting arm free clearance testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
|
| RJ01 | Rejection of invention patent application after publication |