CN100572176C - A kind of hinged type self-discharging automobile chassis - Google Patents
A kind of hinged type self-discharging automobile chassis Download PDFInfo
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- CN100572176C CN100572176C CNB2007101898214A CN200710189821A CN100572176C CN 100572176 C CN100572176 C CN 100572176C CN B2007101898214 A CNB2007101898214 A CN B2007101898214A CN 200710189821 A CN200710189821 A CN 200710189821A CN 100572176 C CN100572176 C CN 100572176C
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Abstract
The invention discloses a kind of hinged type self-discharging automobile chassis, front suspension is made up of preceding U-shaped frame, vertical flexible elastic element, preceding intermediate rod, the closing end mid point ball-and-socket hinge style of preceding U-shaped frame is linked on the front vehicle frame, before the two ends of bifurcated of U-shaped frame connect firmly with the both sides of preceding vehicle bridge respectively, between the top of vehicle bridge both sides and the front vehicle frame bottom, the two ends of horizontal preceding intermediate rod were hinged respectively between the front vehicle frame of both sides, chassis and preceding vehicle bridge before the two ends of elastic element were connected in; Rear suspension be by equalizing bar, be connected in middle U-shaped frame between the vehicle frame of vehicle bridge and back, be connected in the back vehicle bridge with after between the vehicle frame back U-shaped frame, middle intermediate rod, after intermediate rod constitute; The present invention is simple in structure, and maneuvering performance is better, has avoided the torsional deflection of vehicle frame.Both guaranteed the global stiffness of dumping car, avoided again dumping car on rugged ground the up torsional deflection that exists on the crossbeam of sailing, improved maneuvering performance, be specially adapted to rugged road conditions.
Description
Technical field
The present invention relates to the dumping truck technical field, especially a kind of hinged type self-discharging automobile chassis.
Background technology
Load-carrying dumping car chassis mainly comprises crossbeam at present, preceding vehicle bridge, back vehicle bridge, crossbeam is by before being hinged together, back vehicle frame constitutes, vehicle bridge before front vehicle frame connects by front suspension, back vehicle frame connects the back vehicle bridge by rear suspension, before the existing dumping car, rear suspension connects to ground by articulated manner, though can realize bob and horizontal hunting, but can't realize the independent bob of each wheel, the amplitude of fluctuation of each vehicle bridge is less, particularly when rugged road traveling, various additional the reversing that vehicle bridge applies vehicle frame, flexural load is bigger, influences the service life of vehicle frame and even car load.
Application number is 97235741.6 Chinese patent: disclose a kind of dumping car chassis in " articulated truck chassis ", the forward and backward vehicle frame in this chassis is connected with swivel pin and oil cylinder by forward and backward articulated slab, forward and backward articulated slab is separately fixed on the forward and backward vehicle frame, the hinged place of forward and backward articulated slab is equipped with vertical jointed shaft, and tapered roller bearing and oscillating bearing are housed between back articulated slab and the swivel pin.The forward and backward vehicle frame of this dumping car crossbeam can only be swung on horizontal surface and can not turn round around the longitudinal axis of crossbeam, when walking in uneven road surface, crossbeam will be subjected to bigger torsional deflection, this not only can consider that torsional deflection increases extra mechanism because of the design of crossbeam, and has limited the maneuvering performance of dumping car.
The front suspension of existing dumping car adopts hydro-pneumatic spring more in addition, but hydro-pneumatic spring manufacturing cost height, and in use need the special inflatable appliance of a cover to safeguard, regularly inflate by certain operating instruction, maintaining is trouble, simultaneously in the course of the work because of the deflection and the poor sealing of oil cylinder axis, the easy scratch of oil cylinder inner surface.
Summary of the invention
The wheel that the object of the present invention is to provide a kind of each vehicle bridge two ends crossbeam relatively carries out the hinged type self-discharging automobile chassis of independent bob.
Technical scheme of the present invention is: a kind of hinged type self-discharging automobile chassis, comprise by before being hinged together, crossbeam that back vehicle frame constitutes, before, before the bottom of back vehicle frame is respectively arranged with, rear suspension and pass through before, rear suspension bonded assembly vehicle bridge, described front vehicle frame set front suspension and the front truck bridging in bottom connects, front suspension is by preceding U-shaped frame, vertical flexible elastic element, preceding intermediate rod is formed, the closing end mid point ball-and-socket hinge style of preceding U-shaped frame is linked on the front vehicle frame, before the two ends of bifurcated of U-shaped frame connect firmly with the both sides of preceding vehicle bridge respectively, between the top of vehicle bridge both sides and the front vehicle frame bottom, the two ends of horizontal preceding intermediate rod were hinged respectively between the front vehicle frame of both sides, chassis and preceding vehicle bridge before the two ends of elastic element were connected in; Rear suspension and middle vehicle bridge that the bottom of described back vehicle frame is provided with, back vehicle bridge connects, rear suspension is by equalizing bar, be connected in the middle U-shaped frame between vehicle bridge and the back vehicle frame, be connected in the back U-shaped frame between back vehicle bridge and the back vehicle frame, middle intermediate rod, back intermediate rod constitutes, equalizing bar is two longitudinal beams that are symmetricly set in vehicle frame both sides, back, the middle part of every equalizing bar all is articulated on the hinging supporting shaft of vehicle frame side, back middle part setting, middle vehicle bridge and back vehicle bridge are the bottoms that are installed in two equalizing bars of symmetry before and after the mid point with the hinging supporting shaft, and the elastic element that passes through vertically to stretch is connected with the bottom elasticity of two equalizing bars, the closing end mid point ball-and-socket hinge style of middle U-shaped frame is bound up on the vehicle frame of back, the two ends fixed connection of middle U-shaped frame bifurcated is on middle vehicle bridge, the closing end mid point of back U-shaped frame is hinged on the vehicle frame of back, the two ends of the bifurcated of back U-shaped frame are bound up on the vehicle bridge of back with bolt, the two ends of horizontal middle intermediate rod are hinged in respectively between chassis two rear flank vehicle frames and the middle vehicle bridge, and the two ends of horizontal back intermediate rod are hinged in respectively between the back vehicle frame and back vehicle bridge of both sides, chassis.
Be supported with telescopic shock absorber between U-shaped frame and the front vehicle frame before described.
Connect by body cradle between described front vehicle frame and the back vehicle frame, body cradle front end and front vehicle frame rear end are by vertical jointed shaft and attaching parts is rotating is hinged together, and body cradle rear end and back vehicle frame front end are by rotating shaft longitudinally and attaching parts is rotating is hinged together.
The rear end of described front vehicle frame is fixed with the upper and lower axis pin base of built-in vertical jointed shaft, the front end of body cradle is fixed with and rotates the upper and lower articulated slab that is threaded onto on the hinging pin shaft respectively, oscillating bearing and hinging pin shaft normal-running fit are housed respectively in the upper and lower articulated slab, the rear end of body cradle is fixed with vertical rotating shaft, the front end of back vehicle frame is provided with the revolution bracing ring, and the rotating shaft rear end is rotated and is assemblied in the revolution bracing ring.
Described crossbeam both sides respectively are connected with one and turn to oil cylinder between front vehicle frame and body cradle, two turn to the cylinder body of oil cylinder and piston rod to be connected on front vehicle frame and the body cradle by oscillating bearing respectively.
Elastic element in the described front suspension is the two-pack coil spring.
In described, to be connected used elastic element with the bottom elasticity of two equalizing bars be the rubber-metal reinforcement spring to the back vehicle bridge.
Dumping car with chassis of the present invention in motion, before, elastic element in the rear suspension can play the effect of decay vibrations and buffering to each vehicle bridge, each intermediate rod plays the cross spacing effect to each vehicle bridge, two equalizing bars of rear suspension are equivalent to can be around its central pivot point---the lever of hinging supporting shaft swing, and be in the equalizing bar two ends in, back vehicle bridge just can realize swinging up and down, in making, wheel on the back vehicle bridge is that single-point supports, when vehicle ' is on rugged ground, in, four wheels on the back vehicle bridge can swing up and down separately along with the height of bottom surface, four wheels that guaranteed back vehicle frame at any time can both land simultaneously, have increased the tractive performance of vehicle.And the bifurcated of each the U-shaped frame in the fore suspension and rear suspension all is and corresponding vehicle bridge (adorning two wheels about every vehicle bridge) fixed connection, the closing end mid point of each U-shaped frame all be again with vehicle frame in other words crossbeam be that ball-and-socket hinge style connects, so just make every vehicle bridge can be relatively and vehicle frame (crossbeam) do and relatively rotate, six wheels can be beated independently with respect to vehicle frame (crossbeam) in other words, thereby make dumping truck can adapt to the rough road surface of various height with chassis of the present invention, and make suffered various additional the reversing of vehicle frame, load such as bending minimize, and finally prolong the life-span of vehicle frame and even car load.The present invention is simple in structure, and maneuvering performance is better, has avoided the torsional deflection of vehicle frame.Both guaranteed the global stiffness of dumping car, avoided again dumping car on rugged ground the up torsional deflection that exists on the crossbeam of sailing, improved maneuvering performance, be specially adapted to rugged road conditions.
Preceding in addition vehicle bridge adopts telescopic shock absorber and double width coil spring, makes the layout of front suspension and maintenance become than being easier to, and back vehicle bridge adopts rubber spring to connect equalizing bar composition draft hitch, has improved the operational capability of the full operating mode of non-highway of dumping car greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the fundamental diagram of crossbeam of the present invention.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, hinged type self-discharging automobile chassis of the present invention comprise crossbeam and before, during and after vehicle bridge, crossbeam is by front vehicle frame 20, back vehicle frame 6 and is connected in front vehicle frame 20 and the body cradle 13 of back between the vehicle frame 6 constitutes.The rear end of front vehicle frame 20 is fixed with upper and lower axis pin base 24,25, in the upper and lower axis pin base 24,25 vertical hinging pin shaft 28,29 is housed respectively, the front end of body cradle 13 is fixed with and rotates the upper and lower articulated slab 26,27 that is threaded onto on the hinging pin shaft 28,29 respectively, oscillating bearing 21,22 and hinging pin shaft 28,29 normal-running fiies are housed respectively in the upper and lower articulated slab 26,27, the rear end of body cradle 13 is fixed with rotating shaft longitudinally 30, the front end of back vehicle frame 6 is provided with revolution bracing ring 31, and rotating shaft 30 rear ends are rotated and are assemblied in the revolution bracing ring 31.As shown in Figure 3, body cradle 13 in the crossbeam of the present invention adopts oscillating bearing 21,22 to be connected with revolution bracing ring 31 respectively with front vehicle frame 20, back vehicle frame 6, make vehicle when operation, forward and backward vehicle frame both can be swung on horizontal surface, revolution by a relatively large margin can be arranged around the longitudinal axis of crossbeam again, thereby avoided the torsional deflection of crossbeam.The crossbeam both sides respectively are connected with one and turn to oil cylinder 33,34 between front vehicle frame 20 and body cradle 13, turn to the cylinder body and the piston rod of oil cylinder 34 to be connected on front vehicle frame 20 and the body cradle 13 by oscillating bearing 36,35 respectively, the cylinder body that turns to oil cylinder 33 of opposite side and piston rod are to be connected on front vehicle frame and the body cradle by oscillating bearing equally.Turn to the flexible of piston rod of oil cylinder 33,34 can finish turning to of vehicle by two.
As shown in Figure 1, 2, the bottom of the front vehicle frame 20 on chassis of the present invention is provided with front suspension and preceding vehicle bridge 16, the top of preceding vehicle bridge 16 both sides is connected front vehicle frame 20 bottoms by vertical two-pack coil spring 1, and front suspension mainly is made up of preceding U-shaped frame 15, two-pack coil spring 1 and preceding intermediate rod 32.The closing end mid point ball-and-socket hinge style of preceding U-shaped frame 15 is linked in hinging pin shaft 29 lower ends, and the two ends of the bifurcated of preceding U-shaped frame 15 connect with preceding vehicle bridge 16 usefulness bolt respectively, also are supported with telescopic shock absorber 2 between preceding U-shaped frame 15 and the front vehicle frame 20.One end of preceding intermediate rod 32 is hinged on front vehicle frame 20, and the other end is hinged on preceding vehicle bridge 16; Horizontal preceding intermediate rod 32 can limit the horizontal looseness of front truck bridge when vehicle operating, to prevent wheel and front vehicle frame 20 collisions.
The bottom of the back vehicle frame 6 on chassis of the present invention is provided with rear suspension, middle vehicle bridge 11, back vehicle bridge 7, and rear suspension mainly is made of equalizing bar 10, middle U-shaped frame 12, back U-shaped frame 8, middle intermediate rod 9, back intermediate rod 33.Equalizing bar 10 is two longitudinal beams that are symmetricly set in vehicle frame 6 both sides, back, and the middle part of every equalizing bar 10 all is articulated on the hinging supporting shaft 50 of vehicle frame 6 sides, back middle part setting, and equalizing bar 10 can be swung around hinging supporting shaft 50.Horizontal middle vehicle bridge 11 and back vehicle bridge 7 are the bottom that is installed in two equalizing bars 10 of mid point front and back symmetry with hinging supporting shaft 50, and middle vehicle bridge 11 all is connected by the bottom elasticity of rubber-metal reinforcement spring 5 with two equalizing bars 10 with the top of vehicle bridge 7 both sides, back.U-shaped frame 12 in being connected with between middle vehicle bridge 11 and the back vehicle frame 6, the closing end mid point ball-and-socket hinge style of middle U-shaped frame 12 is bound up on the vehicle frame 6 of back, and the two ends of the bifurcated of middle U-shaped frame 12 are bound up on the middle vehicle bridge 11 with bolt.Support and connection have back U-shaped frame 8 between back vehicle bridge 7 and the back vehicle frame 6, and the closing end mid point of back U-shaped frame 8 is hinged on the vehicle frame 6 of back, and the two ends of the bifurcated of back U-shaped frame 8 are bound up on the vehicle bridge 7 of back with bolt.Horizontal middle intermediate rod 9 adopts the pivotally attached mode to be linked in respectively between back vehicle frame 6 and the middle vehicle bridge 11, horizontal back intermediate rod 33 adopts the pivotally attached mode to be linked in respectively between back vehicle frame 6 and the back vehicle bridge 7, in, back intermediate rod 9,33 can be when vehicle operating in each restriction, the horizontal looseness of back vehicle bridge 11,7, to prevent wheel and 6 collisions of back vehicle frame.
As shown in Figure 2, the power of driving engine 19 outputs behind power-transfer clutch 18 and change-speed box 17, reaches part-time case 14 to driving system of the present invention when work, and vehicle bridge 16, middle vehicle bridge 11, back vehicle bridge 7 are transmitted forward respectively to make power.When vehicle in motion, the coil spring 1 of front suspension, the rubber-metal reinforcement spring 5 of cartridge type damping 2 and rear suspension can play the effect of decay vibrations and buffering to each vehicle bridge, each intermediate rod plays the cross spacing effect to each vehicle bridge, the equalizing bar 10 of rear suspension is equivalent to can be around its central pivot point---the lever of hinging supporting shaft 50 swings, and be in equalizing bar 10 two ends in, back vehicle bridge just can realize swinging up and down, in making, wheel on the back vehicle bridge is that single-point supports, when vehicle ' is on rugged ground, in, four wheels on the back vehicle bridge can swing up and down separately along with the height of bottom surface, guaranteed that four wheels on the back vehicle frame 6 at any time can both land simultaneously, have increased the tractive performance of vehicle.And the bifurcated of each U-shaped frame all is and corresponding vehicle bridge (adorning two wheels about every vehicle bridge) fixed connection, the closing end mid point of each U-shaped frame all be again with vehicle frame in other words crossbeam be that ball-and-socket hinge style connects, every vehicle bridge can be relatively and vehicle frame (crossbeam) do and relatively rotate, six wheels can be beated independently with respect to vehicle frame (crossbeam) in other words, thereby use the dumping truck on chassis of the present invention can adapt to the rough road surface of various height, and make suffered various additional the reversing of vehicle frame, load such as bending minimize, and finally prolong the life-span of vehicle frame and even car load.
Claims (5)
1, a kind of hinged type self-discharging automobile chassis, comprise by before being hinged together, crossbeam that back vehicle frame constitutes, before, before the bottom of back vehicle frame is respectively arranged with, rear suspension and pass through before, rear suspension bonded assembly vehicle bridge, it is characterized in that: described front vehicle frame set front suspension and the front truck bridging in bottom connects, front suspension is by preceding U-shaped frame, vertical flexible elastic element, preceding intermediate rod is formed, the closing end mid point ball-and-socket hinge style of preceding U-shaped frame is linked on the front vehicle frame, before the two ends of bifurcated of U-shaped frame connect firmly with the both sides of preceding vehicle bridge respectively, between the top of vehicle bridge both sides and the front vehicle frame bottom, the two ends of horizontal preceding intermediate rod were hinged respectively between the front vehicle frame of both sides, chassis and preceding vehicle bridge before the two ends of elastic element were connected in; Rear suspension and middle vehicle bridge that the bottom of described back vehicle frame is provided with, back vehicle bridge connects, rear suspension is by equalizing bar, be connected in the middle U-shaped frame between vehicle bridge and the back vehicle frame, be connected in the back U-shaped frame between back vehicle bridge and the back vehicle frame, middle intermediate rod, back intermediate rod constitutes, equalizing bar is two longitudinal beams that are symmetricly set in vehicle frame both sides, back, the middle part of every equalizing bar all is articulated on the hinging supporting shaft of vehicle frame side, back middle part setting, middle vehicle bridge and back vehicle bridge are the bottoms that are installed in two equalizing bars of symmetry before and after the mid point with the hinging supporting shaft, and the elastic element that passes through vertically to stretch is connected with the bottom elasticity of two equalizing bars, the closing end mid point ball-and-socket hinge style of middle U-shaped frame is bound up on the vehicle frame of back, the two ends fixed connection of middle U-shaped frame bifurcated is on middle vehicle bridge, the closing end mid point of back U-shaped frame is hinged on the vehicle frame of back, the two ends of the bifurcated of back U-shaped frame are bound up on the vehicle bridge of back with bolt, the two ends of horizontal middle intermediate rod are hinged in respectively between chassis two rear flank vehicle frames and the middle vehicle bridge, and the two ends of horizontal back intermediate rod are hinged in respectively between the back vehicle frame and back vehicle bridge of both sides, chassis; Connect by body cradle between described front vehicle frame and the back vehicle frame, body cradle front end and front vehicle frame rear end are by vertical jointed shaft and attaching parts is rotating is hinged together, and body cradle rear end and back vehicle frame front end are by rotating shaft longitudinally and attaching parts is rotating is hinged together; The rear end of described front vehicle frame is fixed with the upper and lower axis pin base of built-in described vertical jointed shaft, the front end of body cradle is fixed with and rotates the upper and lower articulated slab that is threaded onto on the described jointed shaft respectively, oscillating bearing and described jointed shaft normal-running fit are housed respectively in the upper and lower articulated slab, the rear end of body cradle is fixed with vertical rotating shaft, the front end of back vehicle frame is provided with the revolution bracing ring, and the rotating shaft rear end is rotated and is assemblied in the revolution bracing ring.
2, car chassis according to claim 1 is characterized in that: be supported with telescopic shock absorber between U-shaped frame and the front vehicle frame before described.
3, car chassis according to claim 1 and 2, it is characterized in that: described crossbeam both sides respectively are connected with one and turn to oil cylinder between front vehicle frame and body cradle, and two turn to the cylinder body of oil cylinder and piston rod to be connected on front vehicle frame and the body cradle by oscillating bearing respectively.
4, car chassis according to claim 3 is characterized in that: the elastic element in the described front suspension is the two-pack coil spring.
5, car chassis according to claim 4 is characterized in that: in described, to be connected used elastic element with the bottom elasticity of two equalizing bars be the rubber-metal reinforcement spring to the back vehicle bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101898214A CN100572176C (en) | 2007-10-22 | 2007-10-22 | A kind of hinged type self-discharging automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101898214A CN100572176C (en) | 2007-10-22 | 2007-10-22 | A kind of hinged type self-discharging automobile chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101161535A CN101161535A (en) | 2008-04-16 |
| CN100572176C true CN100572176C (en) | 2009-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101898214A Expired - Fee Related CN100572176C (en) | 2007-10-22 | 2007-10-22 | A kind of hinged type self-discharging automobile chassis |
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| Country | Link |
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| CN (1) | CN100572176C (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102001303B (en) * | 2008-11-28 | 2012-07-18 | 陕西同力重工股份有限公司 | Design method of comfortable off-highway dump truck |
| JP2012101909A (en) * | 2010-11-11 | 2012-05-31 | Nakanishi Metal Works Co Ltd | Load trolley |
| CN102407745A (en) * | 2011-10-25 | 2012-04-11 | 河南科技大学 | Front suspension of heavy hinged self-discharging truck |
| CN102529633B (en) * | 2012-01-16 | 2014-06-18 | 河南科技大学 | Longitudinal force transfer mechanism for balancing suspension of heavy-duty mining hinged dumper |
| CN102529634A (en) * | 2012-01-16 | 2012-07-04 | 河南科技大学 | Balancing suspension for A-shaped frame heavy-duty mining hinged dumper |
| CN102963457B (en) * | 2012-10-31 | 2015-09-30 | 中国煤炭科工集团太原研究院 | Short combination drive trackless rubber-tyred transport trolley |
| CN103963845B (en) * | 2014-04-25 | 2016-09-07 | 广州电力机车有限公司 | A kind of dumper frame |
| CN104085295B (en) * | 2014-07-03 | 2016-11-02 | 广州电力机车有限公司 | A kind of articulated truck dynamical system based on torque transmitter |
| CN104354768B (en) * | 2014-09-24 | 2017-02-01 | 北京林业大学 | Forestry underpan and hinge joint connection device thereof |
| CN104859733A (en) * | 2015-05-29 | 2015-08-26 | 河南骏通车辆有限公司 | Semi-trailer combination vehicle with drive |
| CN104938158B (en) * | 2015-06-05 | 2017-03-01 | 广西绿江南草业有限公司 | The chassis of universal sugarcane combine of bowing |
| CN107963132A (en) * | 2017-12-19 | 2018-04-27 | 徐州徐工矿山机械有限公司 | A kind of articulated dumper chassis |
| CN108032927A (en) * | 2018-01-08 | 2018-05-15 | 丰耒（上海）智能科技有限公司 | Torsion beam supports the walking machine platform of semi-independent suspension after a kind of bogie turns to |
| CN108657313A (en) * | 2018-05-11 | 2018-10-16 | 安徽大学 | A kind of lorry balance ground engaging mechanism |
| CN108528533A (en) * | 2018-06-11 | 2018-09-14 | 徐州徐工矿山机械有限公司 | Self-dumping undercarriage for automobile structure and articulated truck |
| CN108608820A (en) * | 2018-06-11 | 2018-10-02 | 徐州徐工矿山机械有限公司 | Self-unloading suspension composite structure and articulated truck |
| CN109484115B (en) * | 2018-10-31 | 2023-11-17 | 杭州国辰机器人科技有限公司 | Four-wheel two-drive universal chassis damping suspension system |
| CN109533084A (en) * | 2018-12-29 | 2019-03-29 | 江苏速升自动化装备股份有限公司 | A kind of car body is connected to the vehicle on wheel top |
| CN110843640A (en) * | 2019-11-29 | 2020-02-28 | 安徽信息工程学院 | Novel goods transfer cart structure |
| CN112274823A (en) * | 2020-10-26 | 2021-01-29 | 广州睿达信息科技有限公司 | Stair climbing fire truck for farm |
| CN112208652A (en) * | 2020-10-27 | 2021-01-12 | 北京特种机械研究所 | Integral AGV follow-up suspension mechanism and use its AGV |
| CN112590927B (en) * | 2020-12-25 | 2023-03-28 | 中冶宝钢技术服务有限公司 | Gooseneck steering mechanism with buffering function |
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| CN101161535A (en) | 2008-04-16 |
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Granted publication date: 20091223 Termination date: 20101022 |