CN1699952A - Traction dolly - Google Patents
Traction dolly Download PDFInfo
- Publication number
- CN1699952A CN1699952A CN 200410027367 CN200410027367A CN1699952A CN 1699952 A CN1699952 A CN 1699952A CN 200410027367 CN200410027367 CN 200410027367 CN 200410027367 A CN200410027367 A CN 200410027367A CN 1699952 A CN1699952 A CN 1699952A
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- China
- Prior art keywords
- trailer wagon
- locking pliers
- described trailer
- mechanical contact
- compressor arm
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Abstract
The invention discloses a small towed truck for bump test, which comprises couplers for pulling tested vehicle, a pole and a drought device including milling cam, cutout device and holder; wherein coaxial connects milling cam and the pole in one piece; cutout device includes a released cam and it is contacted with milling cam; cutout device is contacted with holder for locking holder and gripping cable by holder.
Description
[technical field]
The present invention relates to a kind of trailer wagon, particularly relate to a kind of in real vehicle collision test, be used for to tested vehicle rise the traction accelerating effect trailer wagon.
[background technology]
Real vehicle collision test is basic, the most effective test method of comprehensive evaluation automotive crash safety performance, because it is the most approaching with real automobile collision accident situation, so the test findings cogency is the strongest.Simultaneously, it also is the requisite test of final inspection vehicle safety performance.
Because full scale vehicle collision belongs to the fierce impact of instantaneous generation, tested vehicle be destructive, can not repair, so require testing equipment must realize predefined collision like clockwork, various surveying instrument equipment are registration of vehicle and motion state, collapse state and with the injury relevant dynamic response of occupant when colliding accurately.These have all proposed very high requirement to the testing equipment that carries out real vehicle collision test, and a comparatively perfect real vehicle collision test chamber should comprise: impact zone, trailer system, soak car environmental chamber, illuminator, dummy and demarcate chamber, Measurement and analysis chamber and vehicle turnover platform etc.
Wherein, trailer system be with tested vehicle from the static device that accelerates to the collision initial velocity that sets, generally comprise: traction electric machine, traction track and trailer wagon.
Traction electric machine adopts the direct current generator of two 225kW usually, drive two wheel hubs respectively, haulage cable is the circulation coiling, uses the hydraulic jack tensioning between two wheel hubs, by the motion of the frictional force drives round-robin wire rope between wire rope and wheel hub, the pulling test vehicle carries out impact test.
Traction track is generally 100m, and haulage cable is placed in one, and the vehicle of 2000kg can be accelerated to 80km/h, and maximum traction acceleration is no more than 0.3g.
Trailer wagon is used to pull and guide tested vehicle, is made up of two parts, and a part is used to connect vehicle, and another part is leader and links to each other with wire rope that these two parts are installed together usually.30m place before the tested vehicle collision, trailer wagon will be thrown off with tested vehicle usually, has one section at the uniform velocity to exercise distance to guarantee tested vehicle, and bumps under free state.
As seen by above-mentioned, in whole distraction procedure, because tractive force is bigger usually, the trailer wagon that requires to link to each other with wire rope has enough coupling mechanism forces, and for this reason, the present invention has designed special-purpose locking pliers device; Simultaneously, when also requiring the touching lever of trailer wagon to run into the unhook piece, locking pliers can in time unclamp wire rope, and for this reason, the present invention has designed the cam-type release.
[summary of the invention]
Technical matters to be solved by this invention is, a kind of trailer wagon is provided, and it has enough coupling mechanism forces and clamps wire rope, and, when tested vehicle reaches predetermined speed, can in time unclamp wire rope with the enforcement that remains a constant speed.
For solving the problems of the technologies described above the present invention:
A kind of trailer wagon that is used for real vehicle collision test, comprise the hook of pulling tested vehicle and a traction trip mechanism, and described device comprises touching lever, it is characterized in that: described traction trip mechanism also comprises cam, locking pliers and anchor clamps, wherein, cam connects as one with touching lever is coaxial; Locking pliers comprises a loose power bar, and with the cam Mechanical Contact; Locking pliers and anchor clamps are Mechanical Contact also, thereby makes the locking pliers locking fixture, the clamp clamps wire rope.
Trailer wagon of the present invention has the following advantages:
Adopted locking pliers device locking fixture, made anchor clamps have enough coupling mechanism forces to clamp wire rope; And adopt the cam trip mechanism, and locking pliers can in time be unclamped, allow anchor clamps open the disengaging wire rope.
[description of drawings]
The present invention is further detailed explanation in conjunction with example with reference to the accompanying drawings:
Fig. 1 is the vertical view of trailer wagon of the present invention;
Fig. 2 is the upward view of trailer wagon of the present invention;
Fig. 3 is the side view of trailer wagon of the present invention;
Fig. 4 is the stereographic map of the locking pliers of trailer wagon of the present invention;
Fig. 5 is the structural drawing of the locking pliers of trailer wagon of the present invention;
Fig. 6 is the stereographic map of the clip of trailer wagon of the present invention;
Fig. 7 is the side view of the clip of trailer wagon of the present invention;
Fig. 8 is the cut-open view of the clip of trailer wagon of the present invention.
[embodiment]
Below the present invention is made further instruction.
See also Fig. 1, the headstock portion of trailer wagon 1 of the present invention is a collision baffle plate 11, and tailstock portion front (visible face with trailer wagon is as the criterion) upwards is provided with a hook 12, in order to pull tested vehicle.Side in the vehicle body front is provided with a touching lever 13, and itself and a pivot 14 are connected to one, and can together rotate with pivot 14.In addition, on the vehicle body front, also be provided with a binding lever 15.
Please continue to consult Fig. 2 to Fig. 3, the vehicle body back side of this trailer wagon 1 is equipped with four guide wheels 16, and it can be slided in traction track.The touching lever 13 in corresponding vehicle body front, the vehicle body back side is provided with a cam 17, and also with pivot 14 coaxial being connected to one, so cam 17 can be with touching lever 13 rotations, promptly be collided the back when rotating when touching lever 13, cam 17 also will together rotate.Cam 17 and a locking pliers 20 Mechanical Contact (two mechanical devices have the generation of part position to contact, but do not link together), simultaneously, this locking pliers 20 still has Mechanical Contact with anchor clamps 30.Above-mentioned touching lever 13, cam 17, locking pliers 20 and anchor clamps 30 common formation one traction trip mechanisms, this device can be when tested vehicle be pulled the locking steel wire rope, and after tested vehicle reaches predetermined speed, unclamp wire rope and make the trailer wagon enforcement that remains a constant speed.
See also Fig. 4 to Fig. 5, this locking pliers 20 mainly has a stripe shape compressor arm 22 that bends by a stripe shape main strut 21 and and forms, two bar inside all hollow out grooving, and by pincers pole 23, a motion bar 24 that is arranged in groove the two is produced to connect, wherein, one end of pincers pole 23 is articulated in the bending place of compressor arm 22, and the other end then places the place that hollows out of main strut 21; Motion bar 24 is one jiao of type bar, and one end and corner articulate main strut 21 and compressor arm 22 respectively, and, between two drive-connecting shafts, also be provided with a spring 25 to connect motion bar 24 and main strut 21.At the other end of compressor arm 22, also be equiped with a loose power bar 26 in the groove, the one end is articulated in compressor arm 22, and with pincers pole 23 Mechanical Contact, the other end then with cam 17 Mechanical Contact.In the outside of compressor arm 22, also be provided with a stay cord nut 27, it is connected by the binding lever 15 of steel wire with trailer wagon 1 front, and when pulling binding lever 15, steel wire drives stay cord nut 27, and compressor arm 22 is drawn close to main strut 21.In addition, on main strut 21, an end relative with loose power bar 26 also is provided with lock-screw 28 and fastening screw nut 29, and the end of lock-screw 28 and pincers pole 23 Mechanical Contact.
The principle of doing of this locking pliers 20 is:
When steel wire pulling stay cord nut 27, compressor arm 22 will be drawn close to main strut 21, because compressor arm 22 has a bending, with lever principle, compressor arm 22 will drive motion bar 24 and move to the inside and locking pliers 20 is locked, and simultaneously, spring 25 is extended state.When loose power bar 26 is subjected to cam 17 effects also when main strut 21 is drawn close, it applies acting force to pincers pole 23, but, because the end and lock-screw 28 Mechanical Contact of pincers pole 23 will promote compressor arm 22 on the contrary and leave main strut 21, at this moment, act on the clamping force pop-off on the motion bar 24, simultaneously, spring 25 reinstatements, move laterally thereby drive motion bar 24, locking pliers 20 is unclamped.
Please continue to consult Fig. 6 to Fig. 8, these anchor clamps 30 comprise clip 31,32, the two articulates by rotational pin and is installed on the clip bearing 33,34 that is fixed in trailer wagon 1 back side, wherein, have a square opening on the clip bearing 33, and the motion bar 24 of locking pliers 20 is passed, and with clip 31 Mechanical Contact, simultaneously, clip 32 also with main strut 21 Mechanical Contact of locking pliers 20, and also be embedded with a spring 35 at the top of two clips 31,32.
The principle of doing of these anchor clamps 30 is:
When anchor clamps 30 did not clamp wire rope, spring 35 is state of nature drove clip in 31,32 minutes.If this moment, motion bar 24 moved to the inside, will promote clip 31 and also move to the inside, make two clips 31,32 close up the clamping wire rope, at this moment, spring 35 is compressive state.When motion bar 24 moves suddenly laterally, spring 35 will extend the recovery state of nature, and 31,32 moments of clip are flicked, and unclamp wire rope.
Trailer wagon of the present invention in use, engineering technical personnel only need upwards spur binding lever, make the locking pliers locking fixture by steel wire, the clamp clamps wire rope.After traction electric machine rotated, wire rope is rectilinear motion in traction track because the locking pliers locking fixture is clamping wire rope, so trailer wagon also can be on traction track straight-line travelling, its hook hauls the tested vehicle motion.At this moment, tested vehicle is exercised with acceleration.When the touching lever of trailer wagon was run into the unhook piece that is fixed on track end, touching lever drove the cam rotation, and locking pliers is unclamped, and anchor clamps then are opened, thereby threw off wire rope.Because inertia, trailer wagon hits on the snubber assembly with fast speeds, and trailer wagon stops.Simultaneously, tested vehicle is owing to lost tractive force, and the enforcement that will remain a constant speed until knocking collision stage, is finished real vehicle collision test.
The foregoing description just embodies the preferred version of technical solution of the present invention, those skilled in the art to wherein some part some changes that may make all embodied principle of the present invention, belong within protection scope of the present invention.
Claims (14)
1, a kind of trailer wagon that is used for real vehicle collision test comprises the hook and a traction trip mechanism of pulling tested vehicle, and described device comprises touching lever, it is characterized in that: described traction trip mechanism also comprises cam, locking pliers and anchor clamps, and wherein, cam connects as one with touching lever is coaxial; Locking pliers comprises a loose power bar, and with the cam Mechanical Contact; Locking pliers and anchor clamps are Mechanical Contact also, thereby makes the locking pliers locking fixture, the clamp clamps wire rope.
2, as claim 1 described trailer wagon, it is characterized in that: described locking pliers is made up of the stripe shape compressor arm that a stripe shape main strut and has a bending, and two bar inside all hollow out grooving, and makes the two have mechanical connection by a pincers pole, a motion bar that is arranged in groove.
3, as claim 2 described trailer wagons, it is characterized in that: an end of described pincers pole is articulated in the bending place of compressor arm, and the other end then places the place that hollows out of main strut.
4, as claim 2 described trailer wagons, it is characterized in that: described motion bar is one jiao of type bar, and one end and corner articulate main strut and compressor arm respectively.
5, as claim 4 described trailer wagons, it is characterized in that: also be provided with a spring between two drive-connecting shafts of described motion bar to connect motion bar and main strut.
6, as claim 1 described trailer wagon, it is characterized in that: described loose power bar is installed in the groove of the compressor arm other end, and an end is articulated in compressor arm, and with pincers pole Mechanical Contact.
7, as claim 6 described trailer wagons, it is characterized in that: on the described main strut, an end relative with loose power bar also is provided with lock-screw and fastening screw nut, and the end of lock-screw and pincers pole Mechanical Contact.
8, as claim 1 described trailer wagon, it is characterized in that: described trailer wagon front also is provided with a binding lever.
9, as claim 8 described trailer wagons, it is characterized in that: the outside of described compressor arm, also be provided with a stay cord nut, it is connected with binding lever by steel wire.
10, as claim 1 described trailer wagon, it is characterized in that: described anchor clamps comprise two clips, and the two articulates by rotational pin and is installed on the clip bearing that is fixed in the trailer wagon back side.
11, as claim 10 described trailer wagons, it is characterized in that: have a square opening on the described clip bearing, and the motion bar of locking pliers passed, and with a clip Mechanical Contact, simultaneously, another clip also with the main strut Mechanical Contact of locking pliers.
12, as claim 11 described trailer wagons, it is characterized in that: the top of described two clips also is embedded with a spring.
13, as claim 1 described trailer wagon, it is characterized in that: the headstock portion of described trailer wagon is a collision baffle plate.
14, as claim 1 described trailer wagon, it is characterized in that: the vehicle body back side of described trailer wagon is equipped with guide wheel, and it can be slided on traction track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100273679A CN100437073C (en) | 2004-05-21 | 2004-05-21 | Traction dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100273679A CN100437073C (en) | 2004-05-21 | 2004-05-21 | Traction dolly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1699952A true CN1699952A (en) | 2005-11-23 |
| CN100437073C CN100437073C (en) | 2008-11-26 |
Family
ID=35476103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100273679A Active CN100437073C (en) | 2004-05-21 | 2004-05-21 | Traction dolly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100437073C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115780A (en) * | 2013-01-18 | 2013-05-22 | 浙江吉利汽车研究院有限公司杭州分公司 | Trailer wagon for car crash test |
| CN104118815A (en) * | 2014-07-01 | 2014-10-29 | 浙江吉利控股集团有限公司 | Hauling rotation unit of hauling system |
| CN104913894A (en) * | 2015-05-21 | 2015-09-16 | 清华大学 | Horizontal impact test method and horizontal impact test device for pipeline whip preventing device |
| CN105509986A (en) * | 2015-12-30 | 2016-04-20 | 吉林大学 | System for testing interception performance of anti-collision anti-terrorism antiriot apparatus |
| CN105784310A (en) * | 2016-04-23 | 2016-07-20 | 吉林大学 | Anti-collision anti-terrorism and anti-riot device interception performance test system |
| CN106092602A (en) * | 2016-06-08 | 2016-11-09 | 奇瑞汽车股份有限公司 | Motor servo control simulation of side impact testing stand |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439074A (en) * | 2013-08-02 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Drive unit and traction system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08122200A (en) * | 1994-10-25 | 1996-05-17 | Meidensha Corp | Traction dolly of collison experiment equipment |
| JPH09133604A (en) * | 1995-11-08 | 1997-05-20 | Honda Motor Co Ltd | Traction dolly for collision test of vehicle |
| JP2003014575A (en) * | 2001-06-29 | 2003-01-15 | Shinko Electric Co Ltd | Traction dolly apparatus with brake |
| JP3882543B2 (en) * | 2001-07-19 | 2007-02-21 | 株式会社明電舎 | Traction dolly device for crash test |
| JP2003065889A (en) * | 2001-08-27 | 2003-03-05 | Shinko Electric Co Ltd | Traction dolly device for vehicle impact testing device |
-
2004
- 2004-05-21 CN CNB2004100273679A patent/CN100437073C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115780A (en) * | 2013-01-18 | 2013-05-22 | 浙江吉利汽车研究院有限公司杭州分公司 | Trailer wagon for car crash test |
| CN103115780B (en) * | 2013-01-18 | 2015-08-05 | 浙江吉利汽车研究院有限公司杭州分公司 | Trailer wagon for car crash test |
| CN104118815A (en) * | 2014-07-01 | 2014-10-29 | 浙江吉利控股集团有限公司 | Hauling rotation unit of hauling system |
| CN104118815B (en) * | 2014-07-01 | 2017-05-10 | 浙江吉利汽车研究院有限公司 | Hauling rotation unit of hauling system |
| CN104913894A (en) * | 2015-05-21 | 2015-09-16 | 清华大学 | Horizontal impact test method and horizontal impact test device for pipeline whip preventing device |
| CN105509986A (en) * | 2015-12-30 | 2016-04-20 | 吉林大学 | System for testing interception performance of anti-collision anti-terrorism antiriot apparatus |
| CN105784310A (en) * | 2016-04-23 | 2016-07-20 | 吉林大学 | Anti-collision anti-terrorism and anti-riot device interception performance test system |
| CN106092602A (en) * | 2016-06-08 | 2016-11-09 | 奇瑞汽车股份有限公司 | Motor servo control simulation of side impact testing stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100437073C (en) | 2008-11-26 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201208 Address after: 214500, No. 60, North Ring Road, Chengbei District, Jingjiang Economic Development Zone, Taizhou, Jiangsu Patentee after: Jingjiang Chengyuan Auto Parts Manufacturing Co.,Ltd. Address before: 518119 BYD Industrial Park, Yanan Road, Kwai Chung Town, Longgang District, Guangdong, Shenzhen Patentee before: BYD Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: 214500 No. 18 Shannan Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: Jingjiang City Huaxin Technology Park Co.,Ltd. Address before: 214500 No.60, North Third Ring Road, Chengbei Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee before: Jingjiang Chengyuan Auto Parts Manufacturing Co.,Ltd. |
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| TR01 | Transfer of patent right |