CN106114092A - A kind of universal car puller hook of automobile - Google Patents
A kind of universal car puller hook of automobile Download PDFInfo
- Publication number
- CN106114092A CN106114092A CN201610514225.8A CN201610514225A CN106114092A CN 106114092 A CN106114092 A CN 106114092A CN 201610514225 A CN201610514225 A CN 201610514225A CN 106114092 A CN106114092 A CN 106114092A
- Authority
- CN
- China
- Prior art keywords
- car puller
- puller hook
- universal
- hook
- automobile
- 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
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/167—Draw-gear or towing devices characterised by their type consisting of articulated or rigidly assembled bars or tubes forming a V-, Y-, or U-shaped draw gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/58—Auxiliary devices
- B60D1/60—Covers, caps or guards, e.g. comprising anti-theft devices
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of universal car puller hook of automobile, including connector before car puller hook (1) and car puller hook rear assembly (4), it is characterised in that: connected by universal adjustment structure between connector (1) and car puller hook rear assembly (4) before car puller hook.Universal adjustment structure include cross steering spindle (2) and be separately positioned on car puller hook before universal yoke on connector (1) and car puller hook rear assembly (4), two universal yokes are rotationally connected with cross steering spindle (2) and keep orthogonality relation respectively.Also include that bellows (3), bellows (3) cover on connector (1) and the junction of car puller hook rear assembly (4) before car puller hook.The present invention substantially reduces the destruction that drawing coupler structure is caused by the oblique angle pulling force of 30 ° of horizontal oblique angle pulling force even more wide-angles.
Description
Technical field
The invention belongs to automobile technical field, be exactly specifically automobile after running into fault and cannot normally travelling, complete
Become the part of vehicle traction interconnection function, be specifically related to a kind of universal car puller hook of automobile.
Background technology
Along with the fast development of auto industry, automobile making and the research and development ability of Chinese automobile car load producer are obtained for very
Big lifting.But, automobile breaks down and causes the case that cannot normally travel or frequently occur, in this case,
As draw, fault car can only be dragged to safety area from fault by other vehicles.At towing vehicle and disabled vehicle
Rely primarily between car puller hook to rise an interconnection function, passenger car traction apparatus includes the installation nut group of car puller hook and vehicle body
Become.Therefore, before and after vehicle frame, end each can fill a towing hook and install nut, and car puller hook is realized even by screw thread with trailer nut
Connect.
Automobile tow hook test standard is pointed out, needs car puller hook carries out horizontal tension (resistance to compression) test, 10 ° of vertical oblique angles
Tension (resistance to compression) test, 30 ° of horizontal oblique angle tension (resistance to compression) tests, test load is 50% that vehicle is fully loaded, and car puller hook is multiplex excellent
Matter carbon structural steels.Can obtain in actual tests and CAE simulation analysis, horizontal tension (resistance to compression) test will not be to car puller hook
Cause structural deterioration, and in 30 ° of horizontal oblique angle tension (resistance to compression) tests, there is great structural deterioration wind towing hook and vehicle body junction
Danger.And the structural deterioration that the lateral moment that causes of the cross component force of mainly 30 ° horizontal oblique angle pulling force of structural deterioration causes.Such as figure
Shown in 1, car puller hook is the load of F1 by 30 ° of horizontal oblique angle pulling force, and 30 ° of horizontal oblique angle pulling force can be decomposed into:
F2=F1*cos30°
F3=F1*sin30°
F2 is the component under F1 active force in horizontal direction, and F3 is F1 active force component in vertical direction, according to theoretical power
Learning principle, the stress equivalent of F2, F3 of A point can be transformed into B point, B point is car puller hook and body side junction point, is transformed into B
Load after Dian is F2 and an additional bending moment T, and the expression formula of T is:
T= F3*L
In formula: L is the car puller hook load(ing) point A distance to car puller hook Yu vehicle body junction point B.
Can obtain through CAE simulation analysis result, by by under 30 ° of horizontal oblique angle drag load effects, structure is broken
Bad meeting destroy from C point, and stress level is only by 10 times under horizontal pull load, wherein plays the load of deciding factor
Moment of flexure T that component in lotus i.e. vertical direction adds causes.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the present invention devises a kind of universal car puller hook of automobile, and it is greatly reduced
The destruction that drawing coupler structure is caused by the oblique angle pulling force of 30 ° of horizontal oblique angle pulling force even more wide-angles.
In order to solve the technical problem of above-mentioned existence, present invention employs below scheme:
A kind of universal car puller hook of automobile, including connector before car puller hook (1) and car puller hook rear assembly (4), it is characterised in that:
Connected by universal adjustment structure between connector (1) and car puller hook rear assembly (4) before car puller hook.
Further, connector (1) and dragging before universal adjustment structure includes cross steering spindle (2) and is separately positioned on car puller hook
Universal yoke on hitch rear assembly (4), two universal yokes are rotationally connected with cross steering spindle (2) respectively and keep orthogonal
Relation.
Further, the body of cross rotary shaft (2) is a box structure, is respectively arranged with one up and down at box structure
Bearing pin thus form orthogonal two couple rotary shaft.
Further, universal yoke has circular pegs axis hole, corresponding turn upper with cross steering spindle (2) of circular pegs axis hole
Moving axis matched in clearance is rotationally connected.
Further, connector body before connector (1) includes towing hook before car puller hook, before towing hook, one end of connector body is
Connecting ring, before towing hook, the other end of connector body is universal yoke.
Further, before car puller hook, connector (1) is integral structure.
Further, before car puller hook, connector (1) material is 45 steel, casting.
Further, car puller hook rear assembly (4) includes universal yoke and the shaft being connected with vehicle body.
Further, also include that bellows (3), bellows (3) cover on connector (1) and car puller hook before car puller hook
The junction of rear assembly (4).
Further, bellows (3) uses natural rubber to make.
The universal car puller hook of this automobile has the advantages that
(1) present invention can reduce the car puller hook size by additional moment produced by horizontal oblique pull, plays drawing coupler structure
To certain protective effect；Substantially reduce the oblique angle pulling force of 30 ° of horizontal oblique angle pulling force even more wide-angles to drawing coupler structure
The destruction caused.
(2) for pure by under curved operating mode, this structure can avoid the flexural deformation of traditional structure completely.
(3) present invention has the function of universal rotational, it is simple to remove and install.
(4) present invention is shorter with vehicle body connection end, it is possible to the effective vibrating fatigue reduced in the process of moving is destroyed.
Accompanying drawing explanation
The car puller hook of Fig. 1: prior art 30 ° horizontal oblique angle stress analysis diagram；
Fig. 2: the structural representation of the universal car puller hook of automobile of the present invention；
Fig. 3: the axonometric drawing of the universal car puller hook of automobile of the present invention；
The horizontal pull stand under load schematic diagram of Fig. 4: the universal car puller hook of automobile of the present invention；
30 ° of horizontal oblique angle pulling force stand under load schematic diagrams of Fig. 5: the universal car puller hook of automobile of the present invention.
Description of reference numerals:
Connector before 1 car puller hook；Universal yoke before 11；2 cross steering spindles；3 bellows；After 4 car puller hooks
Parts；Universal yoke after 41.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention will be further described:
Fig. 2 to Fig. 4 shows a kind of universal car puller hook of automobile, including connector before car puller hook 1, cross steering spindle 2, rubber dust-proof
Cover 3 and car puller hook rear assembly 4.Cross steering spindle 2 will between connector 1 and car puller hook rear assembly 4 before being arranged on car puller hook
Connector 1 and car puller hook rear assembly 4 is rotating couples together before car puller hook.Bellows 3 connects before covering on car puller hook
Part 1 and the junction of car puller hook rear assembly 4.
Before car puller hook, connector 1 mainly undertakes trailer rope hose tool interconnection function.Connect before before car puller hook, connector 1 includes towing hook
Part body and be arranged on the front universal yoke 11 of connector body one end before towing hook, wherein before universal yoke 11 be connected with before towing hook
Part body is one, can be generated by casting, and material uses the material 45# of traditional car puller hook equally.Front ten thousand
Having circular pegs axis hole on yoke 11, be connected with a pair bearing pin of cross steering spindle 2 by this circular pegs axis hole, two parts lead to
Cross matched in clearance so that can relatively rotate between the two, flexible in order to rotate, periodically need oil addition or
Lubricant.
Car puller hook rear assembly 4 includes rear universal yoke 41 and the shaft being connected with vehicle body, the spiral shell being connected with vehicle body
Post part uses the bolt of M20 × 20.Also circular pegs axis hole is had, by this circular pegs axis hole and cross on rear universal yoke 41
Bearing pin is connected by another of steering spindle 2, and rear universal yoke 41 is identical with front universal yoke 11 structure, and two yokes keep orthogonal pass
System.The stud being connected with vehicle body to ensure having good meshing relation with body side nut.
The body of cross rotary shaft 2 is a square, forms orthogonal two couple being respectively arranged with a bearing pin up and down
Bearing pin, the diameter of bearing pin is slightly less than the aperture of yoke, is connected with yoke by this bearing pin.
Bellows 3 can use rotatory sealing type.Owing to the velocity of rotation of car puller hook will not be the fastest, it is possible to
The contact seal of the good airproof performance selected.Encapsulant should meet the requirement of sealing function.Real work according to car puller hook
Environment, so, the requirement of encapsulant should meet:
1) there are suitable mechanical strength and hardness；
2) compressibility and resilience are good, and permanent deformation is little；
3) corrosion resistance is good, and energy long-term work in the media such as lubricating oil, its volume and firmness change are little, and are not adhere to
On metal surface；
4) coefficient of friction is little, and wearability is good；
5) there is the flexibility being combined with sealing surface；
6) resistance to ag(e)ing is good, durable in use；
7) convenient processing and manufacture, low price, draw materials easily.
The preferable natural rubber of combination property is chosen through considering.
The horizontal pull stand under load schematic diagram of the universal car puller hook of automobile as shown in Figure 4, when by the effect of horizontal pull F1, with
Traditional car puller hook is similar to, but region of stress concentration can be transferred to cross rotating shaft 2 and car puller hook rear assembly by original B point
Junction C, C1 point of 4.According to horizontal stretch load integrated stress level, the stress level at C, C1 meets requirement.
30 ° of horizontal oblique angle pulling force stand under load schematic diagrams of the universal car puller hook of automobile are as it is shown in figure 5, work as towing hook by 30 ° of levels
Oblique angle drag load effect, universal car puller hook self has a rotation, and this structure A point is acted on by load F1, between A to C
Being two power bar structures, stress schematic diagram is as it is shown in figure 5, so also can be equal to F1, direction and F1 by a size at C end
Contrary power Fc, now Fc can be decomposed into a horizontal component load and a vertical component load:
Fcx=F1*cos30°
F3=F1*sin30°
By C point load transfer to B point time, B point can by a Fcx and additional bending moment T1,
T= Fcy *L2
In formula: L2 be steering spindle center to B point distance
In the present embodiment, L2 only accounts for 0.14 times of L length, so T1=0.14T, moment is much smaller than traditional car puller hook.Make
The structure of car puller hook has obtained good protective effect.
The invention have the advantages that
(1) present invention can reduce the car puller hook size by additional moment produced by horizontal oblique pull, for drawing coupler structure
Play certain protective effect；
(2) for pure by under curved operating mode, this structure can avoid the flexural deformation of traditional structure completely；
(3) present invention has the function of universal rotational, it is simple to install；
(4) present invention is shorter with vehicle body connection end, it is possible to the effective vibrating fatigue reduced in the process of moving is destroyed.
Above in conjunction with accompanying drawing, the present invention is carried out exemplary description, it is clear that the realization of the present invention is not by aforesaid way
Restriction, as long as have employed method design and the various improvement that carry out of technical scheme of the present invention or the most improved by the present invention
Design and technical scheme directly apply to other occasion, the most within the scope of the present invention.
Claims (9)
1. the universal car puller hook of automobile, including connector before car puller hook (1) and car puller hook rear assembly (4), it is characterised in that:
Connected by universal adjustment structure between connector (1) and car puller hook rear assembly (4) before car puller hook.
The universal car puller hook of automobile the most according to claim 1, it is characterised in that: universal adjustment structure includes cross steering spindle
And the universal yoke that is separately positioned on before car puller hook on connector (1) and car puller hook rear assembly (4), two universal yokes (2)
It is rotationally connected with cross steering spindle (2) and keeps orthogonality relation respectively.
The universal car puller hook of automobile the most according to claim 2, it is characterised in that: the body of cross rotary shaft (2) is one
Box structure, being respectively arranged with a bearing pin up and down thus form orthogonal two couple rotary shaft at box structure.
4. according to the universal car puller hook of the automobile described in Claims 2 or 3, it is characterised in that: have circular bearing pin on universal yoke
Hole, circular pegs axis hole corresponding rotary shaft matched in clearance upper with cross steering spindle (2) is rotationally connected.
5. according to the universal car puller hook of the automobile described in Claims 2 or 3, it is characterised in that: before car puller hook, connector (1) includes dragging
Connector body before hook, before towing hook, one end of connector body is to connect ring, and before towing hook, the other end of connector body is universal
Yoke.
The universal car puller hook of automobile the most according to claim 5, it is characterised in that: before car puller hook, connector (1) is integral type
Structure.
7. according to the universal car puller hook of automobile described in claim 2,3 or 5, it is characterised in that: car puller hook rear assembly (4) includes
Universal yoke and the shaft being connected with vehicle body.
8. according to the arbitrary described universal car puller hook of automobile of claim 1 to 7, it is characterised in that: also include bellows
(3) connector (1) and the junction of car puller hook rear assembly (4) before, bellows (3) covers on car puller hook.
The universal car puller hook of automobile the most according to claim 8, it is characterised in that: bellows (3) uses natural rubber
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514225.8A CN106114092A (en) | 2016-07-04 | 2016-07-04 | A kind of universal car puller hook of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514225.8A CN106114092A (en) | 2016-07-04 | 2016-07-04 | A kind of universal car puller hook of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106114092A true CN106114092A (en) | 2016-11-16 |
Family
ID=57468768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514225.8A Pending CN106114092A (en) | 2016-07-04 | 2016-07-04 | A kind of universal car puller hook of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106114092A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623909A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Stress test method for double-fork-arm two-force rod |
| CN113848070A (en) * | 2021-09-24 | 2021-12-28 | 小氢汽车(上海)有限公司 | Auxiliary device for checking and detecting trailer hook and using method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3782762A (en) * | 1972-02-29 | 1974-01-01 | B Miller | Theft proof vehicle trailer hitch connection |
| CN201520176U (en) * | 2009-09-22 | 2010-07-07 | 三一重工股份有限公司 | Vehicle traction hanger |
| WO2010105286A1 (en) * | 2009-03-20 | 2010-09-23 | Joseph John Mcginnes | A trailer hitch |
| US7938431B1 (en) * | 2009-04-16 | 2011-05-10 | Snyder Samuel M | Swivel type hitch for all-terrain vehicles and the like |
| CN201824812U (en) * | 2010-09-02 | 2011-05-11 | 北汽福田汽车股份有限公司 | Hard connection device for vehicle traction |
| CN105415991A (en) * | 2015-12-05 | 2016-03-23 | 重庆市坤驰汽车零部件有限公司 | Automobile traction tow hook device |
| CN105415992A (en) * | 2015-12-05 | 2016-03-23 | 重庆市坤驰汽车零部件有限公司 | Safe hook device for automobile traction |
| CN205273069U (en) * | 2015-12-05 | 2016-06-01 | 重庆市坤驰汽车零部件有限公司 | Car pulls towing pintle device |
-
2016
- 2016-07-04 CN CN201610514225.8A patent/CN106114092A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3782762A (en) * | 1972-02-29 | 1974-01-01 | B Miller | Theft proof vehicle trailer hitch connection |
| WO2010105286A1 (en) * | 2009-03-20 | 2010-09-23 | Joseph John Mcginnes | A trailer hitch |
| US7938431B1 (en) * | 2009-04-16 | 2011-05-10 | Snyder Samuel M | Swivel type hitch for all-terrain vehicles and the like |
| CN201520176U (en) * | 2009-09-22 | 2010-07-07 | 三一重工股份有限公司 | Vehicle traction hanger |
| CN201824812U (en) * | 2010-09-02 | 2011-05-11 | 北汽福田汽车股份有限公司 | Hard connection device for vehicle traction |
| CN105415991A (en) * | 2015-12-05 | 2016-03-23 | 重庆市坤驰汽车零部件有限公司 | Automobile traction tow hook device |
| CN105415992A (en) * | 2015-12-05 | 2016-03-23 | 重庆市坤驰汽车零部件有限公司 | Safe hook device for automobile traction |
| CN205273069U (en) * | 2015-12-05 | 2016-06-01 | 重庆市坤驰汽车零部件有限公司 | Car pulls towing pintle device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623909A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Stress test method for double-fork-arm two-force rod |
| CN111623909B (en) * | 2019-02-28 | 2021-07-30 | 北京新能源汽车股份有限公司 | Stress test method for double-fork-arm two-force rod |
| CN113848070A (en) * | 2021-09-24 | 2021-12-28 | 小氢汽车(上海)有限公司 | Auxiliary device for checking and detecting trailer hook and using method |
| CN113848070B (en) * | 2021-09-24 | 2024-02-27 | 小氢汽车(上海)有限公司 | Auxiliary checking and detecting device for trailer hook and using method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |