CN202002714U - High-precision automobile overload and unbalance-load detector with overload protection function - Google Patents
High-precision automobile overload and unbalance-load detector with overload protection function Download PDFInfo
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- CN202002714U CN202002714U CN2011200576037U CN201120057603U CN202002714U CN 202002714 U CN202002714 U CN 202002714U CN 2011200576037 U CN2011200576037 U CN 2011200576037U CN 201120057603 U CN201120057603 U CN 201120057603U CN 202002714 U CN202002714 U CN 202002714U
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Abstract
The utility model relates to a high-precision automobile overload and unbalance-load detector with an overload protection function, which comprises an automobile body connecting plate (A), a stay wire displacement sensor (B), a connecting steel wire (C), an overload protection mechanism assembly (D), a back axle steel plate spring connecting plate (E) and a mechanism fastening device (F), wherein the overload 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 screw bolt (1) and is connected with automobile frame side beams at both sides through the automobile body connecting plate (A), the overload protection mechanism assembly (D) is connected with the back axle steel plate spring connecting plate (E) through the mechanism fastening device (F), and the back axle steel plate spring connecting plate (E) is connected onto steel plate springs arranged at both sides of a back axle. The device has the advantages that the test is accurate, the precision is high, the automobile overload and unbalance-load state can be accurately judged, in addition, the high-precision automobile overload and unbalance-load detector is provided with an overload protector, the cost is low, the popularization is easy, and assurance is provided for the safe operation of automobiles.
Description
Technical field
The utility model 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, brake fade, turn to that difficulty, leaf 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 rail vehicle, and less relatively for the research of the super unbalance loading detection technique of commercial 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 system, patent of invention number: ZL 200820122442.3, the inventor: 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 transducers 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 status of vehicle.
2, a kind of highway transport vehicle unbalance-loading detecting device, patent of invention number: ZL 200820073034.3.Inventor: 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 Dec 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 purpose of this utility model provides a kind of super unbalance-loading detecting device of automobile of high precision band overload protection; be difficult to accurate detection to overcome existing pick-up unit, shortcomings such as complexity and cost height are installed; realize detecting more accurately the state of the super unbalance loading of vehicle; and with information feedback to the driver; guarantee the security of vehicle ', reduce the generation of road traffic accident.
Above-mentioned purpose of the present utility model 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 web joint A; backguy displacement transducer B; connect steel wire C; overload protecting mechanism assembly D; rear axle leaf spring web joint E and the fastener F of mechanism form; described overload protecting mechanism assembly D is connected with backguy displacement transducer B by connecting steel wire C; backguy displacement transducer B is connected to car body web joint A by bolt 1; and be connected with rear axle both sides car frame side beam by car body web joint A; overload protecting mechanism assembly D is connected with rear axle leaf spring web joint E by the fastener F of mechanism, and rear axle leaf spring web joint E is connected on the leaf 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 is suit and the cylindrical pipe that is slidingly matched; 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 set bolt 8; the first guide rail set bolt 7 and the second guide rail set bolt 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 set bolt 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 set bolt 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 transducer 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 utility model is mainly made following improvement and innovation:
(1) adopts overload protection arrangement 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 transducer to stretch long; after surpassing maximum range, the stay-supported displacement transducer 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 pick-up unit is installed between vehicle rear axle both sides frame beam and the leaf spring, installs simply, and helps the protection of device.
(4) adopt the stay-supported displacement transducer, the measuring accuracy height, cost is low.
Utility model effect: when the utility model 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 structural drawing of the automobile of high precision band overload protection.
Fig. 2 is the super unbalance-loading detecting device exploded view of the automobile of high precision band overload protection.
Fig. 3 is a car body web joint structural drawing.
Fig. 4 is stay-supported displacement transducer figure.
Fig. 5 is an overload protecting mechanism assembly wiring layout.
Fig. 6 is an overload protecting mechanism assembly exploded view.
Fig. 7 is a pulley mechanism assembly wiring layout.
Fig. 8 is a pulley mechanism assembly exploded view.
Fig. 9 is mechanism's fastener structural drawing.
Figure 10 is a rear axle leaf spring web joint structural 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 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 web joint B. backguy displacement transducer C. connects steel wire D. overload protecting mechanism assembly E. rear axle leaf spring web joint F. mechanism fastener
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
Embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model structure.
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 web joint A (consulting Fig. 3), backguy displacement transducer B (consulting Fig. 4), connection steel wire C, overload protecting mechanism assembly D (consulting Fig. 5, Fig. 6), rear axle leaf spring web joint E (consulting Figure 10), the fastener F of mechanism (consulting Fig. 9) six parts.Overload protecting mechanism assembly D is connected with backguy displacement transducer B by connecting steel wire C; backguy displacement transducer B is connected to car body web joint A by bolt 1; and be connected with rear axle both sides car frame side beam by car body web joint A; overload protecting mechanism assembly D passes through fastener F of mechanism and rear axle leaf spring web joint E, and is connected with the leaf spring of rear axle both sides by rear axle leaf spring web joint E.
Consult Fig. 5, Fig. 6, described year protection mechanism assembly D adjusts hole 15 by pulley mechanism assembly 6, guide rail set bolt 7, spring set bolt 8, guide rail set bolt 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 set bolt 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 utility model to detect:
Shown in scheming a), when vehicle was unloaded, backguy sensor backguy overhang was L; Figure b) shown in, the vehicle 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 ultimate value Lmax; this moment, the overload protection spring in this device was stretched, and played protection sensor overload protective function.
In the course of work, the displacement signal that detects rear axle both sides stay-supported sensor changes, and keeps when the displacement of measuring surpasses a certain setting and continues, and then can judge overload of vehicle; Relatively the displacement variable of both sides displacement transducer keeps when both sides variable quantity difference surpasses a certain setting 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 web joint (A); backguy displacement transducer (B); connect steel wire (C); overload protecting mechanism assembly (D); rear axle leaf spring web joint (E) and mechanism's fastener (F) are formed; it is characterized in that; described overload protecting mechanism assembly (D) is connected with backguy displacement transducer (B) by connecting steel wire (C); backguy displacement transducer (B) is connected to car body web joint (A) by bolt (1); and be connected with rear axle both sides car frame side beam by car body web joint (A); overload protecting mechanism assembly (D) is connected with rear axle leaf spring web joint (E) by mechanism's fastener (F), and rear axle leaf spring web joint (E) is connected on the leaf 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 suit and the cylindrical pipe that is slidingly matched; 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 set bolt (8); the first guide rail set bolt (7) and the second guide rail set bolt (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 set bolt (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 set bolt (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 transducer (B) by connecting steel wire (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200576037U CN202002714U (en) | 2011-03-08 | 2011-03-08 | High-precision automobile overload and unbalance-load detector with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200576037U CN202002714U (en) | 2011-03-08 | 2011-03-08 | High-precision automobile overload and unbalance-load detector with overload protection function |
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| Publication Number | Publication Date |
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| CN202002714U true CN202002714U (en) | 2011-10-05 |
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| CN2011200576037U Expired - Lifetime CN202002714U (en) | 2011-03-08 | 2011-03-08 | High-precision automobile overload and unbalance-load detector with overload protection function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173286A (en) * | 2011-03-08 | 2011-09-07 | 吉林大学 | High-precision overloading-protecting automobile super-unbalanced overloading detector |
| CN103115662A (en) * | 2013-01-23 | 2013-05-22 | 莆田市力天量控有限公司 | Sensing device suitable for vehicle overloading monitoring |
| CN103697982A (en) * | 2013-12-17 | 2014-04-02 | 重庆大唐科技股份有限公司 | Vehicle-mounted weighing method, vehicle-mounted weighing device, vehicle-mounted weighing system and vehicle control system |
| CN104655248A (en) * | 2015-02-11 | 2015-05-27 | 李晓刚 | Vehicle load sensor |
| CN109835243A (en) * | 2019-02-14 | 2019-06-04 | 安徽宇锋智能科技有限公司 | A kind of Intelligent transfer robot load overload-alarm system |
-
2011
- 2011-03-08 CN CN2011200576037U patent/CN202002714U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173286A (en) * | 2011-03-08 | 2011-09-07 | 吉林大学 | High-precision overloading-protecting automobile super-unbalanced overloading detector |
| CN102173286B (en) * | 2011-03-08 | 2013-03-13 | 吉林大学 | High-precision overloading-protecting automobile super-unbalanced overloading detector |
| CN103115662A (en) * | 2013-01-23 | 2013-05-22 | 莆田市力天量控有限公司 | Sensing device suitable for vehicle overloading monitoring |
| CN103115662B (en) * | 2013-01-23 | 2015-03-04 | 莆田市力天量控有限公司 | Sensing device suitable for vehicle overloading monitoring |
| CN103697982A (en) * | 2013-12-17 | 2014-04-02 | 重庆大唐科技股份有限公司 | Vehicle-mounted weighing method, vehicle-mounted weighing device, vehicle-mounted weighing system and vehicle control system |
| CN104655248A (en) * | 2015-02-11 | 2015-05-27 | 李晓刚 | Vehicle load sensor |
| CN109835243A (en) * | 2019-02-14 | 2019-06-04 | 安徽宇锋智能科技有限公司 | A kind of Intelligent transfer robot load overload-alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130313 |
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| RGAV | Abandon patent right to avoid regrant |