CN203637500U - Special chassis with ground clearance changeable - Google Patents
Special chassis with ground clearance changeable Download PDFInfo
- Publication number
- CN203637500U CN203637500U CN201320873605.2U CN201320873605U CN203637500U CN 203637500 U CN203637500 U CN 203637500U CN 201320873605 U CN201320873605 U CN 201320873605U CN 203637500 U CN203637500 U CN 203637500U
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- rotating bracket
- frame
- rear axle
- axle
- chassis
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Abstract
The utility model discloses a special chassis with the ground clearance changeable. The chassis comprises a chassis frame, a steering driving axle, a rear axle and a power driving system and is characterized in that the rear axle of the chassis frame is of a swing type rigid axle structure, the rear axle comprises a rear axle rotating bracket, a rear axle swing shaft, a mechanical connecting frame, a positioning frame, an auxiliary lifting cylinder, a swing pin shaft, rear supporting wheels and rear lift-off wheels, the rear axle rotating bracket is arranged on the lower portion of the chassis frame, the rear end of the real axle rotating bracket is hinged to the chassis frame through the swing pin shaft, the front end of the real axle rotating bracket corresponds to the positioning frame fixed to the chassis frame, a rear axle swing shaft is transversely arranged at the front end of the rear axle rotating bracket, the two ends of the rear axle swing shaft are respectively connected with the middle of the mechanical connecting frame, the mechanical connecting frame is fixed to the rear axle rotating bracket, the auxiliary lifting cylinder is arranged on the rear axle swing shaft outside the mechanical connecting frame, the rear supporting wheels are arranged at the front end of the mechanical connecting frame, the rear lift-off wheels are arranged at the rear end of the mechanical connecting frame, and the special chassis has the advantages of being novel in structure, high in universality and climbing height, adjustable in clearance and the like.
Description
Technical field
The utility model relates to vehicle chassis technical field, a kind of for variable chassis special of the ground Clearance of container loader specifically.
Background technology
As everyone knows, container loader is one of main ground, airport service equipment, the chassis of container loader is by carrier frame, steering drive axle, back axle and power-driven system composition, front portion, underframe bottom surface is provided with steering drive axle, rear portion is provided with back axle, steering drive axle drives through the power-driven system being fixed on underframe, steering drive axle two ends are separately installed with front-wheel, back axle two ends are separately installed with trailing wheel, this kind of very little airport flat road surface of suitable ground Clearance of structure, its deficiency is: because the ground Clearance is little, road surface comformability and off-road capability are very poor.
Through retrieval, CN203306991 discloses a kind of utility model patent of specific purpose container loader, it comprises the bridge platform that is arranged on loader frame front by front cutting support, be arranged on the service platform of bridge platform top, by after cut to support and be arranged on the main platform at loader frame rear, before cut to support and take the double shear cutter supporting construction that driven by elevating ram, cut to support to cut in driven by lift system rear and support and outer cut support and form afterwards, described lift system is by lift oil tank, the compositions such as leaf chain, lift oil tank bottom is arranged on the longeron of vehicle frame, the middle part of lift oil tank is fastening by the side girders of bolt and vehicle frame by Z type crossbeam, the upper end of leaf chain is walked around the sprocket wheel that is arranged on lift oil tank top and is connected with described main platform leading section, the lower end of leaf chain is connected on vehicle frame by pull bar, match with the longitudinal rail being arranged on vehicle frame by roller in described rear outer lower end of cutting support, match with the longitudinal rail that main platform bottom surface arranges by roller in described upper end of cutting support in rear, the deficiency of the car chassis of this structure is also that the ground Clearance is little, can not adjust highly arbitrarily the ground Clearance according to climbing.
In order to adapt to the needs of non-airport pavement and air strip road traveling, and need to meet accompanying support requirement, climbable gradient is not less than 16 °, in order to meet off-road capability and climbable gradient requirement under the prerequisite taking into account minimum altitude requirement, needs variable chassis special of a kind of ground Clearance.
But also do not retrieve so far, the chassis special of this structure.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and a kind of novel structure, universal performance is high, climbable gradient is high, gap is adjustable variable chassis special of ground Clearance are provided.
The utility model solves the technical scheme that its technical matters adopts:
The chassis special that a kind of ground Clearance is variable, comprise carrier frame, steering drive axle, back axle and power-driven system, the back axle that it is characterized in that described carrier frame adopts oscillating type rigid bridge structure, it comprises back axle rotating bracket, swing shaft of rear axle, mechanical connection frame, locating rack, assistance for lifting cylinder, swing bearing pin, support trailing wheel and liftoff trailing wheel, described back axle rotating bracket is located at carrier frame bottom, back axle rotating bracket rear end is hinged through swinging bearing pin and carrier frame, front end is with to be fixed on locating rack on carrier frame corresponding, so that back axle rotating bracket constant in gap in the situation that in horizontality, guarantee the level of chassis framework, described back axle rotating bracket front end is laterally provided with swing shaft of rear axle, described swing shaft of rear axle two ends are connected with mechanical connection frame middle part respectively, described mechanical connection frame is fixed on back axle rotating bracket, the swing shaft of rear axle of mechanical connection frame outside is provided with assistance for lifting cylinder, front end is provided with support trailing wheel, rear end is provided with liftoff trailing wheel, the arc inverted draw cut that described assistance for lifting cylinder upper end is provided with delivery platform both sides is corresponding, assistance for lifting cylinder is through HYDRAULIC CONTROL SYSTEM, when running into non-mat formation road surface or air strip, need to adjust the ground Clearance of carrier frame time, drive assistance for lifting cylinder, assistance for lifting cylinder is inconsistent through expansion link end and arc inverted draw cut, and drive back axle rotating bracket to deflect down centered by swinging bearing pin, the liftoff trailing wheel of mechanical connection frame rear end departs from ground gradually, make carrier frame by front-wheel and support trailing wheel and support, strengthen the spacing that supports trailing wheel and carrier frame, adjust the ground Clearance of carrier frame, guarantee the performance of passing through of container loader.
The utility model, owing to adopting said structure, has the advantages such as novel structure, universal performance is high, climbable gradient is high, gap is adjustable.
accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is the structural representation of the utility model carrier frame.
Fig. 5 is the structural representation of the utility model embodiment.
Reference numeral: carrier frame 1, back axle rotating bracket 17, swing shaft of rear axle 18, mechanical connection frame 19, locating rack 20, assistance for lifting cylinder 21, swing bearing pin 22, support trailing wheel 23, liftoff trailing wheel 24.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in drawings, the chassis special that a kind of ground Clearance is variable, comprise carrier frame 1, steering drive axle, back axle and power-driven system, structure and the annexation of carrier frame and steering drive axle and power-driven system are same as the prior art, this does not repeat, it is characterized in that described back axle adopts oscillating type rigid bridge structure, it comprises back axle rotating bracket 17, swing shaft of rear axle 18, mechanical connection frame 19, locating rack 20, assistance for lifting cylinder 21, swing bearing pin 22, support trailing wheel 23 and liftoff trailing wheel 24, described back axle rotating bracket 17 is located at carrier frame 1 bottom, back axle rotating bracket 17 rear ends are hinged through swinging bearing pin and carrier frame 1, front end is with to be fixed on locating rack 20 on carrier frame 1 corresponding, so that back axle rotating bracket 17 constant in gap in the situation that in horizontality, guarantee the level of chassis framework 1, described back axle rotating bracket 17 front ends are laterally provided with swing shaft of rear axle 18, described swing shaft of rear axle 18 two ends are connected with mechanical connection frame 19 middle parts respectively, described mechanical connection frame 19 is fixed on back axle rotating bracket 17, the swing shaft of rear axle 18 of mechanical connection frame 19 outsides is provided with assistance for lifting cylinder 21, front end is provided with and supports trailing wheel 23, rear end is provided with liftoff trailing wheel 24, described assistance for lifting cylinder 21 upper ends are corresponding with the arc inverted draw cut that delivery platform 8 both sides are provided with, assistance for lifting cylinder 21 is through HYDRAULIC CONTROL SYSTEM.
When the utility model uses on container loader, car chassis top is connected with delivery platform through scissors supporting elevation device, described delivery platform both sides are respectively equipped with the arc inverted draw cut of assistance for lifting cylinder, in the process of moving, be greater than 16 ° when running into non-mat formation road surface or air strip climbable gradient, need to adjust the ground Clearance of carrier frame 1 time, control system drives assistance for lifting cylinder 21, assistance for lifting cylinder 21 is in expansion link end withstands on arc inverted draw cut, make assistance for lifting cylinder drive back axle rotating bracket 17 to deflect down centered by swinging bearing pin 22, the liftoff trailing wheel 24 of mechanical connection frame 19 rear ends departs from ground gradually, make carrier frame 1 by front-wheel and support trailing wheel 23 and support, strengthen the spacing that supports trailing wheel 23 and carrier frame 1, adjust the ground Clearance of carrier frame 1, guarantee the performance of passing through of container loader, when climbable gradient is less than 16 ° gradually, control system drives assistance for lifting cylinder retraction, assistance for lifting cylinder 21 drives and drives the revolution gradually centered by ferry-boat bearing pin of back axle rotating bracket, in the time travelling on smooth road surface, back axle rotating bracket leans against the locating rack bottom on car chassis, make to support trailing wheel, liftoff trailing wheel and front-wheel are at grade, guarantee the liftoff variable gap of car chassis.
The utility model, owing to adopting said structure, has the advantages such as novel structure, universal performance is high, climbable gradient is high, gap is adjustable.
Claims (1)
1. a variable chassis special of ground Clearance, comprise carrier frame, steering drive axle, back axle and power-driven system, the back axle that it is characterized in that described carrier frame adopts oscillating type rigid bridge structure, it comprises back axle rotating bracket, swing shaft of rear axle, mechanical connection frame, locating rack, assistance for lifting cylinder, swing bearing pin, support trailing wheel and liftoff trailing wheel, described back axle rotating bracket is located at carrier frame bottom, back axle rotating bracket rear end is hinged through swinging bearing pin and carrier frame, front end is with to be fixed on locating rack on carrier frame corresponding, described back axle rotating bracket front end is laterally provided with swing shaft of rear axle, described swing shaft of rear axle two ends are connected with mechanical connection frame middle part respectively, described mechanical connection frame is fixed on back axle rotating bracket, the swing shaft of rear axle of mechanical connection frame outside is provided with assistance for lifting cylinder, front end is provided with support trailing wheel, rear end is provided with liftoff trailing wheel, assistance for lifting cylinder is through HYDRAULIC CONTROL SYSTEM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320873605.2U CN203637500U (en) | 2013-12-29 | 2013-12-29 | Special chassis with ground clearance changeable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320873605.2U CN203637500U (en) | 2013-12-29 | 2013-12-29 | Special chassis with ground clearance changeable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637500U true CN203637500U (en) | 2014-06-11 |
Family
ID=50868776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320873605.2U Withdrawn - After Issue CN203637500U (en) | 2013-12-29 | 2013-12-29 | Special chassis with ground clearance changeable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637500U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660833A (en) * | 2013-12-29 | 2014-03-26 | 威海广泰空港设备股份有限公司 | Special chassis with variable ground clearance |
| CN106427448A (en) * | 2016-11-21 | 2017-02-22 | 福建农林大学 | Sloping land film covering machine capable of adjusting drive wheels and working method thereof |
| CN106494173A (en) * | 2016-11-21 | 2017-03-15 | 福建农林大学 | Double rocking lever equal pitch contour plantation sloping field seeder and using method |
-
2013
- 2013-12-29 CN CN201320873605.2U patent/CN203637500U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660833A (en) * | 2013-12-29 | 2014-03-26 | 威海广泰空港设备股份有限公司 | Special chassis with variable ground clearance |
| CN103660833B (en) * | 2013-12-29 | 2016-01-20 | 威海广泰空港设备股份有限公司 | The chassis that ground Clearance is variable |
| CN106427448A (en) * | 2016-11-21 | 2017-02-22 | 福建农林大学 | Sloping land film covering machine capable of adjusting drive wheels and working method thereof |
| CN106494173A (en) * | 2016-11-21 | 2017-03-15 | 福建农林大学 | Double rocking lever equal pitch contour plantation sloping field seeder and using method |
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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: 20140611 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |