WO2013097577A1 - Camion à déchargement automatique à arbres multiples pour l'exploitation minière - Google Patents

Camion à déchargement automatique à arbres multiples pour l'exploitation minière Download PDF

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Publication number
WO2013097577A1
WO2013097577A1 PCT/CN2012/085505 CN2012085505W WO2013097577A1 WO 2013097577 A1 WO2013097577 A1 WO 2013097577A1 CN 2012085505 W CN2012085505 W CN 2012085505W WO 2013097577 A1 WO2013097577 A1 WO 2013097577A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering
frame
wheel
hinged
rotating frame
Prior art date
Application number
PCT/CN2012/085505
Other languages
English (en)
Chinese (zh)
Inventor
曹敬武
徐代友
王荣南
唐先兵
崔敏亮
杨凯
Original Assignee
航天重型工程装备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2011205545571U external-priority patent/CN202463494U/zh
Priority claimed from CN2011104442549A external-priority patent/CN102529781B/zh
Application filed by 航天重型工程装备有限公司 filed Critical 航天重型工程装备有限公司
Publication of WO2013097577A1 publication Critical patent/WO2013097577A1/fr
Priority to US14/300,184 priority Critical patent/US20140284120A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G5/00—Resilient suspensions for a set of tandem wheels or axles having interrelated movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/142—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering specially adapted for particular vehicles, e.g. tractors, carts, earth-moving vehicles, trucks
    • B62D7/144—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering specially adapted for particular vehicles, e.g. tractors, carts, earth-moving vehicles, trucks for vehicles with more than two axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/026—Heavy duty trucks
    • B60G2300/0262—Multi-axle trucks

Definitions

  • the invention relates to a multi-axis mining dump truck, which is mainly suitable for mining and transportation of large open pit mines. Background technique
  • Traditional large-scale mining dump trucks are generally two-axle large super-high, super-wide, and ultra-long dump trucks. These heavy-duty vehicles usually have short wheelbase, rear axle drive, mechanical or electric wheel drive, strong power, and strong climbing ability. , transportation efficiency is high, and the speed is not high.
  • the traditional mining dump trucks also have the following problems of safety, passability, and high maintenance costs for production and use.
  • the vehicle is bulky, has a large load, a small number of tires, a large diameter, and a high center of gravity of the vehicle.
  • the mining environment is harsh and the road conditions are complex, which is prone to accidents such as overturning and falling cliffs.
  • the grounding pressure is large, and the road quality is required. high.
  • the loading quality and self-quality of mining dump trucks are relatively large, and the number of wheels carried by the dump trucks is small.
  • the bearing capacity of each wheel is large, which is destructive to the pavement of the mining area.
  • the turning radius is large and the vehicle passing is poor. In order to increase the carrying capacity, the dump truck must widen or lengthen the vehicle, which greatly reduces the passage of the vehicle.
  • the turning radius becomes larger and larger with the increase of the load capacity, and the requirements for the transportation site are increased. The higher it is. 4)
  • the tire has a large diameter and the tire is expensive to use.
  • Traditional large-scale mining dump trucks are equipped with giant tires, which require separate customization and are inconvenient to transport, store and replace. At the same time, the self-rescue ability is poor, and one tire is damaged.
  • the vehicle will have to stop working. It will be transported to the workshop for maintenance by other transport vehicles. It is difficult to maintain and requires special equipment maintenance.
  • Large shaft load and high manufacturing cost The larger axle load requires the axle and reducer to have larger bearing capacity and output torque, which puts higher requirements on the design and manufacture of the axle and reducer, and increases the product cost.
  • the technical problem to be solved by the present invention is to provide an improvement in security, passability and use and dimension reduction.
  • a mining dump truck that protects costs.
  • the technical solution of the present invention is:
  • a multi-axle mining dump truck includes a driving system and a steering system, the driving system including a frame and a plurality of hydraulic suspensions, wherein each of the two hydraulic suspensions constitutes an axis, and the driving system includes at least two
  • the frame is an intermediate box beam structure, and the middle box beam protrudes from the wing beam to both sides;
  • the hydraulic suspension comprises a slewing bearing, a rotating frame, a swing arm, a suspension cylinder, a swing shaft, and a wheel;
  • the upper end of the rotating frame is mounted on the lower plane of the frame spar by the slewing bearing, and the upper end of the rotating frame is movably pinned to the swing arm, and one end of the hanging cylinder is hinged at a lower part of the rotating frame, and the other end is hinged at
  • the front end of the swing arm is a cylindrical pin;
  • the swing shaft is sleeved on a cylindrical pin at the front end of the swing arm; and the wheel is mounted at both ends of
  • the steering system includes a steering cylinder, a steering straight rod, and a steering tie rod, one end of the steering cylinder is hinged with a seat on the frame, and the other end is hinged with a steering arm on the hydraulic suspension rotating frame,
  • the steering tie rod is hinged on the rotating frame of the two hydraulic suspensions adjacent to each other, and the steering straight rod is hinged on the rotating frame of the two hydraulic suspensions adjacent to each other.
  • Two wheel-side motors and two wheel-side reducers are respectively mounted on the swing shafts of the hydraulic suspensions on at least one of the axes, and the output ends of the wheel-side motors are mounted on the input end faces of the reducer, An outer ring of the wheel reducer is coupled to the axle housing of the swing shaft, and an output end of the wheel reducer is mounted with a wheel.
  • the two wheel motors can also be replaced by two hydraulic motors, the function and function of which are the same.
  • the travel system includes two to eight axes.
  • the steering of the technical solution is composed of the front and rear group steering mechanisms, when the vehicle is turned, the front group steering can also be simultaneously turned by the front and rear groups.
  • the front group steering can realize the car steering mode
  • the rear group steering can realize the eight-word steering mode.
  • the turning radius can be greatly reduced.
  • the invention has the beneficial effects of improving the safety of the mining dump truck, reducing the minimum turning radius of the vehicle, improving the passability, maneuverability and off-road performance of the mining vehicle, and reducing the use and maintenance costs. Specifically, there are six major advantages:
  • All-wheel drive can be realized, the axis type of the vehicle is basically the same, and the two swing shafts on all axes can be equipped with a drive mechanism, which can easily realize all-wheel drive and enable the vehicle to pass the wet road surface, muddy road surface or uneven road surface. Better, improved vehicle passability, off-road and mobility.
  • the tires are improved in strength and the service life is extended.
  • the implementation of all-wheel drive avoids the heavy load of the rear axle of the traditional two-axle vehicle. It requires four large wheels with large center-to-center distances to cause the tire to slip and wear seriously, and the service life of the tire is prolonged.
  • the application the wheel can be adaptively compensated to the ground, to ensure that the wheel is well grounded, the wheel is evenly stressed, the vehicle's adhesion is maximized, and the tire life is extended.
  • Four tires on one axis can be rotated at different speeds, which extends the life of the tire and improves the driving performance under slip conditions.
  • FIG. 1 is a schematic view showing the entire vehicle layout of a mining dump truck according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the arrangement of a mine dump truck axis and a steering mechanism according to an embodiment of the present invention.
  • FIG. 3 is a schematic view showing the suspension structure of a mining dump truck according to an embodiment of the present invention.
  • FIG. 4 is a schematic view of an electric wheel of a mining dump truck according to an embodiment of the present invention. detailed description
  • the driving system and steering system are as follows:
  • the driving system includes a frame 5 and eight hydraulic suspensions 3, wherein each of the two suspensions constitutes one axis, the driving system has four axes, and the frame 5 is an intermediate box beam. Structure, the middle box beam protrudes to the two sides of the spar 19, the hydraulic suspension 3 comprises a slewing bearing 6, a rotating frame 7, a swinging arm 9, a suspension cylinder 8, a swinging shaft 10, a wheel 14; the upper end of the rotating frame 7 is supported by a slewing 6 is mounted on the lower surface of the spar 19 of the frame 5, the upper end of the rotating frame 7 is movably pinned to the swing arm 9, the end of the suspension cylinder 8 is hinged to the lower part of the rotating frame 7, and the other end is hinged in the middle of the swing arm 9, the front end of the swing arm 9 It is a cylindrical pin.
  • the swing shaft 10 is set on the cylindrical pin at the front end of the swing arm 9 through the intermediate pin hole 11; the swing shaft 10 is rotatable on the cylindrical pin, and the swing arm 9 can swing up and down, so that the swing shaft is left and right.
  • the two wheels are in adaptive contact with the ground.
  • the swing shaft 10 is internally provided with a wheel drive motor 12, a wheel reducer 13 and the like.
  • the output end of the wheel drive motor 12 is mounted on the input end face of the reduction gear 13, the outer ring is connected to the axle housing of the swing shaft 10, and the output end of the reducer 13 is mounted with the wheel 14.
  • the invention has two suspensions 3 on one axis, whether it is uphill, downhill, or driving on a bumpy road, or when a one-way, two-way cross slope or uneven road surface occurs, the swing shaft can adaptively face the wheel Compensation is made to evenly stress the wheel, reduce wear, and maximize the adhesion of the vehicle, improving the passage and smoothness of the vehicle.
  • the center of gravity of the vehicle is reduced by about 600 mm with respect to the mining dump truck of the same tonnage.
  • the steering mechanism is composed of a steering cylinder 15, a steering straight rod 17, a tie rod 18, etc., in order to cope with an increase in the number of axles of the vehicle, each suspension has a steering arm 16, each axle Steering shaft.
  • the steering cylinder 15 is hinged to the support on the frame 5, and one end is hinged to the steering arm 16 on the rotating frame.
  • the steering system is composed of a front and rear group steering mechanism.
  • the first two axes are a group, and the latter two axes are a group.
  • Each group has two steering cylinders, and a total of four steering cylinders 15, that is, the embodiment can be Group steering can also be turned at the same time.
  • the previous group steering is used as an example to illustrate the working process of the steering mechanism.
  • the steering cylinder 15 pushes (or pulls) the rotating frame 7 of the movable suspension 3 through the steering arm 16 while the rotating frame drives the steering tie rod 18 hinged thereto to push and cross.
  • the rotating frame of the other coaxial line hinged by the rod 18 rotates.
  • the two rotating brackets hinged with the rotating frame simultaneously drive the two rotating frames on the latter axis to rotate.
  • the rotating frame operated by the steering mechanism is rotated by the steering cylinder, and the wheel can be oscillated as needed to realize the steering of the vehicle.
  • the steering system of the invention is composed of front and rear group steering mechanisms, and can perform two steering modes of eight-word steering and automobile steering, and has an automatic centering adjustment function.
  • the car steering mode which is consistent with the steering mode of ordinary cars.
  • the latter two sets of mechanisms are put into use, they are eight characters.
  • the front and rear steering mechanisms have opposite motion modes, and the front and rear wheels are turned in a figure-eight shape to minimize the turning radius of the vehicle.
  • the steering power of the steering mechanism comes from the steering cylinder, which is hydraulic control. Therefore, when the vehicle is erected for a long time, when the absolute values of the front and rear wheel angles are not equal, the action of the cylinder can be controlled by the steering control system.
  • the automatic return of the wheel that is, the automatic alignment function.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un camion à déchargement automatique pour l'exploitation minière. Le camion est principalement appliqué à l'industrie minière et au transport dans une mine de grande surface. Un organe de roulement du camion à déchargement automatique pour l'exploitation minière comprend un châssis de camion (5) et une pluralité de suspensions hydrauliques (3). Une suspension hydraulique sur deux (3) forme une ligne d'arbres ; l'organe de roulement comprend au moins deux lignes d'arbres ; le châssis de camion (5) est une structure de caisson intermédiaire ; des poutres d'aile (19) s'étendent depuis les deux côtés du caisson intermédiaire ; chaque suspension hydraulique (3) comprend un palier rotatif (6), un châssis rotatif (7), un bras oscillant (9), un cylindre de suspension (8), un arbre oscillant (10) et des roues (14) ; l'extrémité supérieure du châssis rotatif (7) est agencée sur le plan inférieur de chaque poutre d'aile (19) du châssis de camion (5) par le palier rotatif (6) ; l'extrémité inférieure du châssis rotatif (7) est raccordée de façon mobile au bras oscillant (9) par le biais de tiges ; une extrémité du cylindre de suspension (8) est articulée au niveau de la partie inférieure du châssis rotatif (7) ; l'autre extrémité du cylindre de suspension est articulée au niveau de la partie intermédiaire du bras oscillant (9) ; l'extrémité avant du bras oscillant (9) est un arbre à tige cylindrique ; l'arbre oscillant (10) est manchonné avec la tige cylindrique au niveau de l'extrémité avant du bras oscillant (9) ; et les roues (14) sont agencées au niveau des deux extrémités de l'arbre oscillant (10). L'organe de roulement améliore la sécurité, la polyvalence, la manoeuvrabilité et la performance tous terrains du camion à déchargement automatique pour l'exploitation minière tout en réduisant le rayon de braquage minimal d'un véhicule, ce qui permet de réduire les coûts d'utilisation et la maintenance.
PCT/CN2012/085505 2011-12-27 2012-11-29 Camion à déchargement automatique à arbres multiples pour l'exploitation minière WO2013097577A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/300,184 US20140284120A1 (en) 2011-12-27 2014-06-09 Dump truck

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2011205545571U CN202463494U (zh) 2011-12-27 2011-12-27 一种多轴矿用自卸车
CN2011104442549A CN102529781B (zh) 2011-12-27 2011-12-27 一种多轴矿用自卸车
CN201110444254.9 2011-12-27
CN201120554557.1 2011-12-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/300,184 Continuation-In-Part US20140284120A1 (en) 2011-12-27 2014-06-09 Dump truck

Publications (1)

Publication Number Publication Date
WO2013097577A1 true WO2013097577A1 (fr) 2013-07-04

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Application Number Title Priority Date Filing Date
PCT/CN2012/085505 WO2013097577A1 (fr) 2011-12-27 2012-11-29 Camion à déchargement automatique à arbres multiples pour l'exploitation minière

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WO (1) WO2013097577A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770838A (zh) * 2014-02-14 2014-05-07 苏州大方特种车股份有限公司 双层连杆转向机构

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417634A (en) * 1981-02-09 1983-11-29 Ctec Company Elevating transporter with mechanical drive
US20030218374A1 (en) * 2002-03-06 2003-11-27 Kress Edward S. Off-highway off-road dump truck
EP1577159A1 (fr) * 2004-03-18 2005-09-21 Koninklijke Nooteboom Trailers B.V. Remorque avec axes pivotants et échancrure centrale
CN200957834Y (zh) * 2006-09-30 2007-10-10 武汉理工大学 一种多轴线重型运输车辆的转向系统
CN201009930Y (zh) * 2007-02-05 2008-01-23 北京科技大学 一种自行式平板车独立转向装置
CN201009929Y (zh) * 2007-02-05 2008-01-23 北京科技大学 一种基于定轴轮系的动力平板运输车辆的独立转向装置
CN201400216Y (zh) * 2008-12-05 2010-02-10 湖北三江航天万山特种车辆有限公司 一种电子液压机械分组转向系统
CN102529781A (zh) * 2011-12-27 2012-07-04 中国航天三江集团公司 一种多轴矿用自卸车
CN202463494U (zh) * 2011-12-27 2012-10-03 中国航天三江集团公司 一种多轴矿用自卸车

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417634A (en) * 1981-02-09 1983-11-29 Ctec Company Elevating transporter with mechanical drive
US20030218374A1 (en) * 2002-03-06 2003-11-27 Kress Edward S. Off-highway off-road dump truck
EP1577159A1 (fr) * 2004-03-18 2005-09-21 Koninklijke Nooteboom Trailers B.V. Remorque avec axes pivotants et échancrure centrale
CN200957834Y (zh) * 2006-09-30 2007-10-10 武汉理工大学 一种多轴线重型运输车辆的转向系统
CN201009930Y (zh) * 2007-02-05 2008-01-23 北京科技大学 一种自行式平板车独立转向装置
CN201009929Y (zh) * 2007-02-05 2008-01-23 北京科技大学 一种基于定轴轮系的动力平板运输车辆的独立转向装置
CN201400216Y (zh) * 2008-12-05 2010-02-10 湖北三江航天万山特种车辆有限公司 一种电子液压机械分组转向系统
CN102529781A (zh) * 2011-12-27 2012-07-04 中国航天三江集团公司 一种多轴矿用自卸车
CN202463494U (zh) * 2011-12-27 2012-10-03 中国航天三江集团公司 一种多轴矿用自卸车

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103770838A (zh) * 2014-02-14 2014-05-07 苏州大方特种车股份有限公司 双层连杆转向机构

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