CN101554884B - Articulated field operation vehicle chassis - Google Patents
Articulated field operation vehicle chassis Download PDFInfo
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- CN101554884B CN101554884B CN2009100277545A CN200910027754A CN101554884B CN 101554884 B CN101554884 B CN 101554884B CN 2009100277545 A CN2009100277545 A CN 2009100277545A CN 200910027754 A CN200910027754 A CN 200910027754A CN 101554884 B CN101554884 B CN 101554884B
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Abstract
The invention relates to an articulated field operation vehicle chassis, comprising a front vehicle frame, a two-degree-of-freedom articulated mechanism, a hydraulic steering mechanism and a rear vehicle frame, the front vehicle frame is connected with the rear vehicle frame through the two-degree-of-freedom articulated mechanism and the hydraulic steering mechanism, the front vehicle frame and the rear vehicle frame adopt dual-U-shaped frameworks, the two-degree-of-freedom articulated mechanism and the hydraulic steering mechanism realize the longitudinal oscillation along the vehicle frame direction between the front vehicle frame and the rear vehicle frame and the transverse rotation along the direction of a plumb shaft; and the articulated chassis adopts a wheel-side hydraulic driving device for constituting a four-wheel full-driving system, thereby improving the off-load driving performance and the traction performance of the articulated chassis. The articulated field operation vehicle chassis adopts the four-wheel full hydraulic driving system, the dual-U-shaped frameworks and the two-degree-of-freedom articulated mechanism, thereby not only having the off-load driving performance which is applicable to complicated field terrain environments, but also having good traction performance, flexible mobility and road adaptability, thereby further being capable of meeting the filed operation requirements and being particularly applicable to military filed material handling and other filed operations.
Description
Technical field
The invention belongs to engineering transportation vehicle and make the field, specifically relate to a kind of articulated field operation vehicle chassis.
Background technology
The national defence of China and the modernization construction of army have a large amount of demands to high maneuverability, cross-country traveling special-use vehicle and vehicle chassis with cross-country function, special-use vehicle with good off-road capability has very important effect in modern war, its equipment quantity and popularity are determining the mechanization level and the controllable velocity of army to a great extent, this type vehicle anti-terrorism, anti-riot, also bringing into play important effect in consolidating national defense, maintaining social stability.
Vehicle chassis is as the main load bearing component of vehicle, its strength and stiffness are very important in the general design of vehicle, as army-accepted off-road operation vehicle, except that the basic demand of satisfying intensity and toughness, the off-road capability of vehicle, manoevreability, tractive property and also be the key factor that influences the vehicle operating efficiency for the comformability of different roads.
Find through literature search prior art, China Patent No.: 200620131959, title: the patent disclosure on hinged chassis a kind of hinged chassis that is used for construction machinery and equipment, its hinge-point is arranged on the top of drawing head front truck bridge formation case, front truck bridge formation case top is the coaxial bearing pin that is provided with vertically, drawing head front vehicle frame and articulated section are coupled together, and drawing head front vehicle frame and articulated section are provided with the degree of freedom of vertical rotation; Vertical coaxial bearing pin is set on articulated section, articulated section and back towed vehicle are coupled together, articulated section sets up the degree of freedom that the vertical axis direction is rotated with the back towed vehicle.The vertical rotation between vehicle frame can be realized before and after the vehicle and along the axial lateral rotation of hinged vertical in this hinged chassis, but the engine behind front wheel before driving is adopted on this hinged chassis, and the off-road capability of vehicle, towability and manoevreability are difficult to satisfy the requirement of small-sized field work vehicle.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of hinged chassis that is used for the field work engineering truck is provided, this hinged chassis is equipped with modular operation tool, can be configured for the off-road operation engineering truck of material handling, disaster relief and rescue and other job task of open-air complex environment.
The present invention is achieved by the following technical solutions, articulated field work vehicle chassis comprises front vehicle frame, two degrees of freedom linkwork, hydraulic steering mechanism and back vehicle frame, front vehicle frame is connected the back vehicle frame by the two degrees of freedom linkwork with hydraulic steering mechanism, front vehicle frame adopts double-U-shaped framed structure with the back vehicle frame, and two free linkworks and hydraulic steering mechanism are realized between front vehicle frame and the back vehicle frame along the longitudinal oscillation of vehicle frame direction with along the axial lateral rotation of vertical; Hinged chassis adopts wheel limit fluid pressure drive device to constitute the full drive system of four-wheel, has improved the land locomotion performance and the tractive property on hinged chassis.
Described front vehicle frame comprises front vehicle frame steel structure, two front vehicle frame wheels, two wheel limit fluid pressure drive device and ball hinged supports, two front vehicle frame wheel symmetries are installed on the both sides of front vehicle frame steel structure, by two wheel limit fluid pressure drive device individual drive, adopt wheel limit fluid pressure drive device to be convenient to constitute all-wheel-drive system.
Do not establish drive axle between two front vehicle frame wheels of described front vehicle frame, the front vehicle frame steel structure adopts U type framed structure, be convenient between two front vehicle frame wheels, arrange various modularization field operation instruments, be configured for the off-road operation engineering truck of material handling, disaster relief and rescue and other job task of open-air complex environment.
The rear side of described front vehicle frame is provided with the spherical hinge bearing, connects hydraulic steering mechanism.
Described two degrees of freedom linkwork comprises oscillating axle bearing, oscillating axle, swing hinge, upper pin, lower bearing pin and turning joint; Wherein the oscillating axle bearing is fixed in front vehicle frame, and swing hinge is realized swinging degree of freedom longitudinally along hinged chassis by oscillating axle; Turning joint is fixed in the back vehicle frame, swing hinge is connected with lower bearing pin by the upper pin of two coaxial lines along vertical with turning joint, has rotational freedom between swing hinge and the turning joint around upper pin and lower bearing pin axis direction, thereby constitute binary linkwork, realize front vehicle frame with afterwards between the vehicle frame along the longitudinal oscillation of vehicle frame with along the lateral rotation of vertical; This two degrees of freedom linkwork can make vehicle have stronger landform adaptive capacity and cross-country crossing ability, and swing hinge guarantees vehicle when scraggly travels down, and its left and right wheels all can well contact with ground, has higher riding stability.
Described back vehicle frame comprises vehicle frame wheel and two wheel limit fluid pressure drive devices behind the back vehicle frame steel structure, two; Vehicle frame wheel symmetry is installed on the both sides of back vehicle frame steel structure after two, also by two wheel limit fluid pressure drive device individual drive, constitutes four-wheel full hydraulic drive system; Adopt four-wheel full hydraulic drive system drive can improve the tractive property and the hill climbing ability of vehicle, hydraulicdriven infinite speed variation assurance by different way can coordinate synchronization between the drive wheel of transmission, improves the off-road capability and the tractive property of vehicle.
Drive axle need be set between the vehicle frame wheel behind two of the described back vehicle frames, back vehicle frame steel structure also adopts U type framed structure, constitutes double-U-shaped carrier frame structure; Arranging buy car in installments the hydraulic efficiency pressure system of driving usefulness and a vehicle control syetem after two between the vehicle frame wheel; Front side at the back vehicle frame is provided with the rotational fuel tank bearing, connects hydraulic steering mechanism.
The spherical hinge that passes through of described hydraulic steering mechanism connects front vehicle frame, connects the back vehicle frame by turning joint, realize front vehicle frame with after between the vehicle frame along the lateral rotation of vertical with along the longitudinal oscillation of vehicle frame.
The present invention is simple in structure, adopt four-wheel full hydraulic drive system, double-U-shaped framed structure and two degrees of freedom linkwork, hinged chassis not only has the land locomotion performance that adapts to complicated open-air terrain environment, also has excellent traction performance, manoevreability and a road worthiness flexibly, the field work requirement be can satisfy, the open-air material handling of army-accepted and other field work are particularly useful for.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the embodiment of the invention 1;
Fig. 2 is the structure birds-eye view of the embodiment of the invention 1;
Fig. 3 is a front vehicle frame three-dimensional structure diagram of the present invention;
Fig. 4 is the johning knot composition of two degrees of freedom linkwork of the present invention;
Fig. 5 is the constructional drawing of back of the present invention vehicle frame;
Fig. 6 is the constructional drawing of embodiments of the invention 2.
Drawing reference numeral explanation: vehicle frame wheel, 17-rotational fuel tank bearing behind vehicle frame steel structure, the 16-behind vehicle frame, 5-front vehicle frame steel structure, 6-front vehicle frame wheel, 7-wheel limit fluid pressure drive device, 8-ball hinged support, 9-oscillating axle bearing, 10-oscillating axle, 11-swing hinge, 12-upper pin, 13-lower bearing pin, 14-turning joint, the 15-behind 1-front vehicle frame, 2-two degrees of freedom linkwork, 3-hydraulic steering mechanism, the 4-
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.Present embodiment is to have provided detailed embodiment and concrete operating process under technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, as shown in Figure 1, 2, embodiment 1 comprises: front vehicle frame 1, two degrees of freedom linkwork 2, hydraulic steering mechanism 3 and back vehicle frame 4 are formed, front vehicle frame 1 is connected back vehicle frame 4 by two degrees of freedom linkwork 2 with hydraulic steering mechanism 3, two free linkworks 2 and hydraulic steering mechanism 3 are realized between front vehicle frame 1 and the back vehicle frame 4 along the longitudinal oscillation of vehicle frame direction with along the axial lateral rotation of vertical, the ground connection property of the steering capability of vehicle and tire when having improved land locomotion satisfies the requirement of open-air land locomotion.
As shown in Figure 3, the front vehicle frame 1 of embodiment 1 is made up of front vehicle frame steel structure 5, two front vehicle frame wheels 6, two wheel limit fluid pressure drive devices 7 and ball hinged supports 8, two front vehicle frame wheel 6 symmetries are installed on the both sides of front vehicle frame steel structure 1, by two wheel limit fluid pressure drive device 7 individual drive; The rear side of front vehicle frame 1 is provided with ball hinged support 8, is used to connect hydraulic steering mechanism 3; Do not establish drive axle between two front vehicle frame wheels 6 of front vehicle frame 1, front vehicle frame steel structure 5 adopts U type framed structure, be convenient between two front vehicle frame wheels 6, arrange various modularization field operation instruments, be configured for the off-road operation engineering truck of material handling, disaster relief and rescue and other job task of open-air complex environment.
As shown in Figure 4, two degrees of freedom linkwork 2 is made up of oscillating axle bearing 9, oscillating axle 10, swing hinge 11, upper pin 12, lower bearing pin 13 and turning joint 14; Wherein oscillating axle bearing 9 is fixed in front vehicle frame 1, and swing hinge 11 is realized swinging degree of freedom longitudinally along hinged chassis by oscillating axle 10; Turning joint 14 is fixed in back vehicle frame 4, swing hinge 11 is connected with lower bearing pin 13 by the upper pin 12 of two coaxial lines along vertical with turning joint 14, has rotational freedom between swing hinge 11 and the turning joint 14 around upper pin 12 and lower bearing pin 13 axis directions, constitute binary linkwork, realize front vehicle frame 1 with afterwards between the vehicle frame 4 along the longitudinal oscillation of vehicle frame with along the lateral rotation of vertical, swing hinge 11 guarantees that vehicle is when scraggly travels down, its left and right wheels all can well contact with ground, has higher riding stability.
As shown in Figure 5, back vehicle frame 4 is made up of vehicle frame wheel 16, two wheel limit fluid pressure drive devices 7 and rotational fuel tank bearing 17 behind the back vehicle frame steel structure 15, two; Back vehicle frame steel structure 15 also adopts U type framed structure, and vehicle frame wheel 16 symmetries are installed on the both sides of back vehicle frame steel structure 15 after two, also by two wheel limit fluid pressure drive device 7 individual drive, constitutes four-wheel full hydraulic drive system; Drive axle need be set between the vehicle frame wheel 16 after two of back vehicle frame 4, back vehicle frame steel structure 15 also adopts U type framed structure, constitutes double-U-shaped carrier frame structure with the front vehicle frame steel structure; Arranging buy car in installments the hydraulic efficiency pressure system of driving usefulness and a vehicle control syetem after two between the vehicle frame wheel 16.Front side at back vehicle frame 4 is provided with rotational fuel tank bearing 17, is used to connect hydraulic steering mechanism 2.
As shown in Figure 1, 2, the spherical hinge that passes through of hydraulic steering mechanism 2 connects front vehicle frame 1, connects back vehicle frame 4 by turning joint, realize front vehicle frame 1 with after between the vehicle frame 4 along the lateral rotation of vertical with along the longitudinal oscillation of vehicle frame.
As shown in Figure 6, on the basis of embodiment 1, arrange the identical hydraulic steering mechanism 3 of two covers, constitute embodiment 2 in the bilateral symmetry of two degrees of freedom linkwork 2; Adopt the hydraulic steering mechanism 3 of two cover symmetric arrangement, the stability in the time of can increasing Vehicular turn, the steering capability and the dynamic characteristics of raising vehicle satisfy the requirement of open-air land locomotion.
Claims (2)
1. articulated field operation vehicle chassis, comprise front vehicle frame (1), two degrees of freedom linkwork (2), hydraulic steering mechanism (3) and back vehicle frame (4), front vehicle frame (1) is connected back vehicle frame (4) by two degrees of freedom linkwork (2) with hydraulic steering mechanism (3), front vehicle frame (1) adopts double-U-shaped framed structure with back vehicle frame (4), and two degrees of freedom linkwork (2) and hydraulic steering mechanism (3) are realized between front vehicle frame (1) and the back vehicle frame (4) along the longitudinal oscillation of vehicle frame direction with along the axial lateral rotation of vertical; Described front vehicle frame (1) comprises front vehicle frame steel structure (5), two front vehicle frame wheels (6), two front vehicle frame wheels (6) symmetry is installed on the both sides of front vehicle frame steel structure (5), front vehicle frame steel structure (5) adopts U type framed structure, be convenient between two front vehicle frame wheels (6) to arrange various modularization field operation instruments, described back vehicle frame (4) comprises vehicle frame wheel (16) behind the back vehicle frame steel structure (15), two; Vehicle frame wheel (16) symmetry is installed on the both sides of back vehicle frame steel structure (15) after two, back vehicle frame steel structure (15) also adopts U type framed structure, it is characterized in that: described front vehicle frame (1) also comprises two wheel limit fluid pressure drive devices (7) respectively with back vehicle frame (4), respectively by two wheel limit fluid pressure drive device (7) individual drive; The rear side of described front vehicle frame (1) is provided with ball hinged support (8), connects hydraulic steering mechanism (3); Two wheel limit fluid pressure drive devices (7) of described back vehicle frame (4) constitute the full hydraulic drive system with two wheel limit fluid pressure drive devices of front vehicle frame (1).
2. articulated field operation vehicle chassis as claimed in claim 1, its feature also is: described hydraulic steering mechanism (3) connects front vehicle frame (1) by ball hinged support, connects back vehicle frame (4) by turning joint (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100277545A CN101554884B (en) | 2009-05-20 | 2009-05-20 | Articulated field operation vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100277545A CN101554884B (en) | 2009-05-20 | 2009-05-20 | Articulated field operation vehicle chassis |
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| Publication Number | Publication Date |
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| CN101554884A CN101554884A (en) | 2009-10-14 |
| CN101554884B true CN101554884B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100277545A Active CN101554884B (en) | 2009-05-20 | 2009-05-20 | Articulated field operation vehicle chassis |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398489B (en) * | 2011-10-12 | 2013-07-10 | 厦门厦工机械股份有限公司 | Loader frame with novel hinge structure |
| CN104163201B (en) * | 2014-08-20 | 2016-09-28 | 重庆鼎祥钢结构工程有限公司 | ATV is bowed chassis |
| CN108313126A (en) * | 2018-01-26 | 2018-07-24 | 宁波海蔓汽车科技有限公司 | A kind of automobile chassis of full terrain self-adaptive |
| CN109398001A (en) * | 2018-09-07 | 2019-03-01 | 天嘉智能装备制造江苏股份有限公司 | A kind of engineering operation vehicle pivotally connected frame horizontal swing stabilising arrangement |
| CN110292490A (en) * | 2019-07-11 | 2019-10-01 | 华东交通大学 | It is a kind of that building machine is stepped on based on the convenient of the convertible wheel group of three leaves |
| CN110692326B (en) * | 2019-10-18 | 2021-07-27 | 长沙桑铼特农业机械设备有限公司 | Direct seeding machine and operation method thereof |
| CN113931242A (en) * | 2021-09-30 | 2022-01-14 | 徐工集团工程机械股份有限公司科技分公司 | Small-size electronic loader |
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Effective date of registration: 20221208 Address after: 214000 No. 3, Kaifa Road, new material industrial park, Donggang Town, Xishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi jukechuang Development Co.,Ltd. Address before: 214199, Jiangsu 19, Donggang Town, Xishan, Wuxi Patentee before: Zhu Hongwei |