CN102173286A - High-precision overloading-protecting automobile super-unbalanced overloading detector - Google Patents
High-precision overloading-protecting automobile super-unbalanced overloading detector Download PDFInfo
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- CN102173286A CN102173286A CN2011100539390A CN201110053939A CN102173286A CN 102173286 A CN102173286 A CN 102173286A CN 2011100539390 A CN2011100539390 A CN 2011100539390A CN 201110053939 A CN201110053939 A CN 201110053939A CN 102173286 A CN102173286 A CN 102173286A
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- pulley
- overloading
- mechanism assembly
- rear axle
- overload protection
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Abstract
The invention relates to a high-precision overloading-protecting automobile super-unbalanced overloading detector which comprises an automobile body connecting plate (A), a stay wire displacement sensor (B), a connecting steel wire (C), an overloading protection mechanism assembly (D), a rear axle steel plate spring connecting plate (E) and a mechanism fastening device (F), wherein the overloading protection mechanism assembly (D) is connected with the stay wire displacement sensor (B) through the connecting steel wire (C), the stay wire displacement sensor (B) is connected to the automobile body connecting plate (A) through a bolt (1) and connected with side beams at two sides of an automobile frame through the automobile body connecting plate (A), the overloading protection mechanism assembly (D) is connected with the rear axle steel plate spring connecting plate (E) through the mechanism fastening device (F), and the rear axle steel plate spring connecting plate (E) is connected to steel plate springs at two sides of the rear axle. The high-precision overloading-protecting automobile super-unbalanced overloading detector has the advantages of test accuracy and high precision and can judge the super-unbalanced overloading state of automobiles; and the detector is also provided with an overloading protector, has low cost, is easy to popularize, and ensures safe running of the automobiles.
Description
Technical field:
The invention belongs to the automotive inspection equipment inspection technology.
Background technology:
The super unbalance loading of vehicle is to cause the principal element of road traffic accident, cause when serious that squeegee action is blown out, braking failure, turn to that difficulty, steel spring fracture, semiaxis fracture etc.According to statistics, 80% cause in the commerial vehicle road traffic accident by the transportation of the super unbalance loading of goods.
The super unbalance loading detection technique of current vehicle mainly is to use the overall load that weighing instrument measuring vehicle axle heavily reaches vehicle, judges the super unbalance loading situation of vehicle.This method is mainly used in guideway vehicle, and less relatively for the research of the super unbalance loading detection technique of for-hire vehicle.
By retrieval, the super unbalance-loading detecting device of automobile mainly contains two kinds at present:
1, lorry unbalance loading detection of dynamic warning, patent of invention number: ZL 200820122442.3, the contriver: Wang Jianqiang, Li Keqiang, Li Shengbo, Zhang Dezhao, the applying date: on September 4th, 2008, authorize day: on September 9th, 2009, statutory status: effectively, applicant country: China.In this patent two acceleration pick-ups are installed in the left and right side of the junction in the and arranged on left and right sides suspension of lorry rear axle and compartment, judge the unbalance loading situation of lorry by the difference degree of surveying the both sides vertical acceleration.
This device in use; owing to just detect the difference degree of both sides vertical acceleration, therefore can not judge whether vehicle is in overload condition, Comparatively speaking in this device overload protecting mechanism is not set; and the precision of its sensor is not high, is difficult to accurately detect the running state of vehicle.
2, a kind of highway transport vehicle unbalance-loading detecting device, patent of invention number: ZL 200820073034.3.Contriver: Wang Yunpeng, Li Shiwu, Wei Hailin, Yang Zhifa, Zu Li, Wang Yu, Li Gunan, Guo Dong, Yu Haiyang, Sun Weiyuan, the applying date: on January 23rd, 2003, authorize day: on December 30th, 2008, statutory status: effectively, applicant country: China.This patent is judged the vehicle unbalance-loading situation by detecting vehicle reach both sides load difference.
This device has adopted semiconductor laser, photopotential dependent sensor etc., and Comparatively speaking this device is installed more complicated, and the cost height, is difficult to promote.
Summary of the invention
The super unbalance-loading detecting device of automobile that the purpose of this invention is to provide a kind of high precision band overload protection; be difficult to accurate detection to overcome existing detecting device, shortcomings such as complexity and cost height are installed; realize detecting more accurately the state of the super unbalance loading of vehicle; and with message feedback to chaufeur; guarantee the safety of vehicle ', reduce the generation of road traffic accident.
Above-mentioned purpose of the present invention is achieved through the following technical solutions, and accompanying drawings is as follows.
A kind of super unbalance-loading detecting device of automobile of high precision band overload protection; mainly by car body connecting panel A; backguy displacement pickup B; connect steel wire C; overload protecting mechanism assembly D; rear axle steel spring connecting panel E and the securing device F of mechanism form; described overload protecting mechanism assembly D is connected with backguy displacement pickup B by connecting steel wire C; backguy displacement pickup B is connected to car body connecting panel A by bolt 1; and be connected with rear axle both sides car frame side beam by car body connecting panel A; overload protecting mechanism assembly D is connected with rear axle steel spring connecting panel E by the securing device F of mechanism, and rear axle steel spring connecting panel E is connected on the steel spring of rear axle both sides.
Described overload protecting mechanism assembly D is mainly by pulley mechanism assembly 6; overload protection spring 10; guide rail 13 and slideway 14 are formed; described guide rail 13 and slideway 14 are the cylindrical pipe of suit and bearing fit; slideway 14 is provided with bayonet lock and adjusts hole 15; overload protection spring 10 is sleeved in the cylindrical pipe of guide rail 13; one end of overload protection spring 10 and guide rail 13 is respectively by spring bolt of rear end plate 8; the first guide rail bolt of rear end plate 7 and the second guide rail bolt of rear end plate 9 are connected on the pulley mechanism assembly 6; overload protection spring 10 other ends are locked by the bayonet screws 12 usefulness bayonet lock nuts 11 that pass slideway 14 bayonet locks adjustment hole 15, and are adjusted the length of the position adjustment overload protection spring 10 in hole 15 at bayonet lock by bayonet screws 12.
The displacement that described pulley mechanism assembly 6 takes place when being used for the super unbalance loading of vehicle is amplified, pulley mechanism assembly 6 is by pulley 16, pulley bearings 17, bearing pin 18, inner casing 19, shell 20, pulley bolt of rear end plate 21 and bearing pin are adjusted hole 22 and are formed, pulley 16 is by pulley bearings 17 inner casing 19 of packing into, fixing by bearing pin 18, inner casing 19 shell 20 of packing into, fixing by pulley bolt of rear end plate 21, bearing pin 18 is contained in bearing pin and adjusts in the hole 22, and adjust the position that pulley 16 is regulated in hole 22 by bearing pin as required, pulley 16 is connected with stay-supported displacement pickup B by connecting steel wire C.Device middle pulley mechanism 6, its effect is the displacement amplification that takes place during with the super unbalance loading of vehicle, has improved the precision of sensor measurement.
At the problem that exists in original super unbalance-loading detecting device use, the present invention mainly makes following improvement and innovation:
(1) adopts overload protection device in this device; its effect be prevent vehicle through tunnel or vehicle under service mode, counter motion takes place between vehicle frame and the vehicle bridge, cause the backguy of displacement pickup to stretch long; after surpassing maximum range, the stay-supported displacement pickup is caused damage.
(2) adopt pulley mechanism in this device, its effect is that the displacement that produces during with the super unbalance loading of vehicle is put and is twice, and has improved the precision of sensor measurement.
(3) this detecting device is installed between vehicle rear axle both sides frame beam and the steel spring, installs simply, and helps the protection of device.
(4) adopt the stay-supported displacement pickup, the survey precision height, cost is low.
Invention effect: when the present invention has realized that a kind of commerial vehicle moves, can high Precision Detection go out its super unbalance loading state, and realize the super unbalance loading device of automobile of the overload protection of sensor.
Description of drawings
Fig. 1 is the super unbalance-loading detecting device constructional drawing of the automobile of high precision band overload protection.
Fig. 2 is the super unbalance-loading detecting device exploded drawings of the automobile of high precision band overload protection.
Fig. 3 is a car body connecting panel constructional drawing.
Fig. 4 is stay-supported displacement pickup figure.
Fig. 5 is an overload protecting mechanism assembly assembly drowing.
Fig. 6 is an overload protecting mechanism assembly exploded drawings.
Fig. 7 is a pulley mechanism assembly assembly drowing.
Fig. 8 is a pulley mechanism assembly exploded drawings.
Fig. 9 is mechanism's securing device constructional drawing.
Figure 10 is a rear axle steel spring connecting panel constructional drawing.
Figure 11 is super unbalance-loading detecting device schematic diagram.
Wherein a) when vehicle is unloaded, state is stretched out in the backguy of backguy sensor;
B) vehicle at full load, state is stretched out in the backguy of backguy sensor;
C) when vehicle through tunnel or vehicle during in maintenance, state is stretched out in the backguy of backguy sensor.
Among the figure: A. car body connecting panel B. backguy displacement pickup C. connects steel wire D. overload protecting mechanism assembly E. rear axle steel spring connecting panel F. mechanism securing device
1. sensor connecting bolt 2. connects fixation with steel wire nut 3. and connects fixation with steel wire bolt 4. mechanism's clamp set bolts 5. mechanism's clamp hold-down nuts 6. pulley mechanism assemblies 7. first guide rail set bolts 8. spring set bolts 9. second guide rail set bolts 10. overload-protection springs 11. bayonet lock nuts 12. bayonet screws 13. guide rails 14. slideways 15. bayonet lock adjusting holes 16. pulleys 17. pulley bearings 18. bearing pins 19. inner casings 20. shells 21. pulley set bolts 22. bearing pin adjusting holes
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail structure of the present invention.
Consult Fig. 1, Fig. 2; a kind of super unbalance-loading detecting device of automobile of high precision band overload protection is characterized in that being made up of car body connecting panel A (consulting Fig. 3), backguy displacement pickup B (consulting Fig. 4), connection steel wire C, overload protecting mechanism assembly D (consulting Fig. 5, Fig. 6), rear axle steel spring connecting panel E (consulting Figure 10), the securing device F of mechanism (consulting Fig. 9) six parts.Overload protecting mechanism assembly D is connected with backguy displacement pickup B by connecting steel wire C; backguy displacement pickup B is connected to car body connecting panel A by bolt 1; and be connected with rear axle both sides car frame side beam by car body connecting panel A; overload protecting mechanism assembly D passes through securing device F of mechanism and rear axle steel spring connecting panel E, and is connected with the steel spring of rear axle both sides by rear axle steel spring connecting panel E.
Consult Fig. 5, Fig. 6, described year protection mechanism assembly D adjusts hole 15 by pulley mechanism assembly 6, guide rail bolt of rear end plate 7, spring bolt of rear end plate 8, guide rail bolt of rear end plate 9, overload protection spring 10, bayonet lock nut 11, bayonet screws 12, guide rail 13, slideway 14 and bayonet lock and forms.Slideway 14 is a cylindrical pipe with holes, and the hole on it is a length of adjusting the overload protection spring by bayonet lock 12, to adapt to different rigidity requirements; Be connected with pulley mechanism assembly 6 by bolt 7,8,9 when overload protection spring 10 and guide rail 13.
Consult Fig. 7, Fig. 8, described pulley mechanism assembly 6 is adjusted hole 22 by pulley 16, pulley bearings 17, bearing pin 18, inner casing 19, shell 20, pulley bolt of rear end plate 21 and bearing pin and is formed; Bearing pin 18 can be adjusted the position that pulley 16 is regulated in hole 22 by bearing pin as required; Pulley 16 is connected with sensor by connecting steel wire C.
The principle of work (consulting Figure 11) that adopts the present invention to detect:
Shown in scheming a), when vehicle was unloaded, backguy sensor backguy overhang was L; Figure b) shown in, the vehicle at full load, because loading, car body produces displacement s, and the overhang of backguy this moment becomes L-2s, i.e. and the backguy displacement of sensor is 2s, and this displacement is exaggerated one times, realizes high-acruracy survey.
Figure c) shown in; when vehicle through tunnel or vehicle under service mode, when between vehicle frame and the vehicle bridge counter motion taking place, the backguy displacement of sensor reaches its limit Lmax; this moment, the overload protection spring in this device was stretched, and played protection sensor overload protective function.
In the working process, the displacement signal that detects rear axle both sides stay-supported sensor changes, and keeps when the displacement of measuring surpasses a certain specified value and continues, and then can judge overload of vehicle; Relatively the displacement variable of both sides displacement pickup keeps when both sides variable quantity difference surpasses a certain specified value and continues, and then can judge vehicle unbalance-loading.
Claims (3)
1. the super unbalance-loading detecting device of automobile of a high precision band overload protection; mainly by car body connecting panel (A); backguy displacement pickup (B); connect steel wire (C); overload protecting mechanism assembly (D); rear axle steel spring connecting panel (E) and mechanism's securing device (F) are formed; it is characterized in that; described overload protecting mechanism assembly (D) is connected with backguy displacement pickup (B) by connecting steel wire (C); backguy displacement pickup (B) is connected to car body connecting panel (A) by bolt (1); and be connected with rear axle both sides car frame side beam by car body connecting panel (A); overload protecting mechanism assembly (D) is connected with rear axle steel spring connecting panel (E) by mechanism's securing device (F), and rear axle steel spring connecting panel (E) is connected on the steel spring of rear axle both sides.
2. the super unbalance-loading detecting device of automobile of high precision band overload protection according to claim 1; it is characterized in that; described overload protecting mechanism assembly (D) is mainly by pulley mechanism assembly (6); overload protection spring (10); guide rail (13) and slideway (14) are formed; described guide rail (13) and slideway (14) are the cylindrical pipe of suit and bearing fit; slideway (14) is provided with bayonet lock and adjusts hole (15); overload protection spring (10) is sleeved in the cylindrical pipe of guide rail (13); one end of overload protection spring (10) and guide rail (13) is respectively by spring bolt of rear end plate (8); the first guide rail bolt of rear end plate (7) and the second guide rail bolt of rear end plate (9) are connected on the pulley mechanism assembly (6); overload protection spring (10) other end is locked with bayonet lock nut (11) by the bayonet screws (12) of passing slideway (14) bayonet lock adjustment hole (15), and is adjusted the length of the position adjustment overload protection spring (10) in hole (15) at bayonet lock by bayonet screws (12).
3. the super unbalance-loading detecting device of automobile of high precision band overload protection according to claim 2; it is characterized in that the displacement amplification that described pulley mechanism assembly (6) takes place when being used for the super unbalance loading of vehicle; pulley mechanism assembly (6) is by pulley (16); pulley bearings (17); bearing pin (18); inner casing (19); shell (20); pulley bolt of rear end plate (21) and bearing pin are adjusted hole (22) and are formed; pulley (16) is by pulley bearings (17) inner casing (19) of packing into; fixing by bearing pin (18); inner casing (19) shell (20) of packing into; fixing by pulley bolt of rear end plate (21); bearing pin (18) is contained in bearing pin and adjusts in the hole (22); and adjust the position that pulley (16) are regulated in hole (22) by bearing pin as required, pulley (16) is connected with stay-supported displacement pickup (B) by connecting steel wire (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110053939 CN102173286B (en) | 2011-03-08 | 2011-03-08 | High-precision overloading-protecting automobile super-unbalanced overloading detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110053939 CN102173286B (en) | 2011-03-08 | 2011-03-08 | High-precision overloading-protecting automobile super-unbalanced overloading detector |
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| CN102173286A true CN102173286A (en) | 2011-09-07 |
| CN102173286B CN102173286B (en) | 2013-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806289A (en) * | 2016-04-21 | 2016-07-27 | 奇瑞汽车股份有限公司 | Automotive suspension displacement measuring device and device installation method |
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| CN101403633A (en) * | 2008-10-22 | 2009-04-08 | 成都成运科技有限责任公司 | Ultra-deviation load detection system |
| CN201304933Y (en) * | 2008-09-04 | 2009-09-09 | 清华大学 | Dynamic detection alarm system of unbalanced load of freight car |
| CN201497556U (en) * | 2009-01-21 | 2010-06-02 | 成都成运科技有限责任公司 | Weighing structure component of overload and unbalanced load detection system |
| CN101806609A (en) * | 2010-02-26 | 2010-08-18 | 吉林大学 | Automobile unbalanced load status identification and monitoring pre-warning system |
| CN202002714U (en) * | 2011-03-08 | 2011-10-05 | 吉林大学 | High-precision automobile overload and unbalance-load detector with overload protection function |
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2011
- 2011-03-08 CN CN 201110053939 patent/CN102173286B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201304933Y (en) * | 2008-09-04 | 2009-09-09 | 清华大学 | Dynamic detection alarm system of unbalanced load of freight car |
| CN101403633A (en) * | 2008-10-22 | 2009-04-08 | 成都成运科技有限责任公司 | Ultra-deviation load detection system |
| CN201497556U (en) * | 2009-01-21 | 2010-06-02 | 成都成运科技有限责任公司 | Weighing structure component of overload and unbalanced load detection system |
| CN101806609A (en) * | 2010-02-26 | 2010-08-18 | 吉林大学 | Automobile unbalanced load status identification and monitoring pre-warning system |
| CN202002714U (en) * | 2011-03-08 | 2011-10-05 | 吉林大学 | High-precision automobile overload and unbalance-load detector with overload protection function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806289A (en) * | 2016-04-21 | 2016-07-27 | 奇瑞汽车股份有限公司 | Automotive suspension displacement measuring device and device installation method |
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Granted publication date: 20130313 Termination date: 20160308 |