WO2018103649A1 - 一种汽拖一体机伸缩机架 - Google Patents

一种汽拖一体机伸缩机架 Download PDF

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Publication number
WO2018103649A1
WO2018103649A1 PCT/CN2017/114682 CN2017114682W WO2018103649A1 WO 2018103649 A1 WO2018103649 A1 WO 2018103649A1 CN 2017114682 W CN2017114682 W CN 2017114682W WO 2018103649 A1 WO2018103649 A1 WO 2018103649A1
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WIPO (PCT)
Prior art keywords
arm
frame
telescopic
integrated control
control arm
Prior art date
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Ceased
Application number
PCT/CN2017/114682
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English (en)
French (fr)
Inventor
周明和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technology Research And Development Center Of Liaoning Dandong Xinhongyuan Agriculture Technology Development Co Ltd
Original Assignee
Technology Research And Development Center Of Liaoning Dandong Xinhongyuan Agriculture Technology Development Co Ltd
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Application filed by Technology Research And Development Center Of Liaoning Dandong Xinhongyuan Agriculture Technology Development Co Ltd filed Critical Technology Research And Development Center Of Liaoning Dandong Xinhongyuan Agriculture Technology Development Co Ltd
Priority to EP17877900.5A priority Critical patent/EP3552928B1/en
Publication of WO2018103649A1 publication Critical patent/WO2018103649A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/42—Vehicles adapted to transport, to carry or to comprise special loads or objects convertible from one use to a different one
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/64—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
    • B60P1/6418—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar
    • B60P1/6463—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar fitted with articulated beams for longitudinal displacement of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width

Definitions

  • the invention relates to a frame of a motor vehicle, in particular to a telescopic frame of a steam tow integrated machine.
  • the total length of the motor vehicle is fixed, the frame cannot be stretched, and the car can only be used for transportation, and the tractor can only be used for farm work.
  • the existing motor vehicles have a single function, the utilization rate is not high, and the current application range is small enough to meet the growing needs of people's work and life.
  • the present invention aims to provide a steam tow integrated machine telescopic frame.
  • the invention comprises a front frame, a rear frame, a frame telescopic connecting hook, an integrated control arm, an integrated control arm shaft, an integrated control arm hydraulic cylinder and a telescopic hydraulic cylinder, wherein the front end of the rear frame is opposite to the front frame Telescopically inserted, the rear control wheel is mounted with the integrated control arm shaft, the integrated control arm includes a main arm, a telescopic arm and a hook arm, one end of the main arm is hinged on the integrated control arm shaft, and the other end is One end of the telescopic arm can be inserted in a telescopic manner, the other end of the telescopic arm is connected to one end of the hook arm, and the other end of the hook arm is hook-shaped; the telescopic connecting hook of the rack is mounted on the front frame And hooking the telescopic arm; the cylinder of the integrated control arm hydraulic cylinder is hinged on the rear frame, and the piston is hinged with the main arm, and the integrated control arm is driven to rotate by the integrated
  • the two sides of the main arm are symmetrically provided with trolley slides respectively mounted on the rear frame and then telescoped, and sliding carriages are arranged between the trolley slides on both sides, and both sides of the sliding trolley
  • Each of which is mounted with a pulley in rolling contact with the trolley slide;
  • the sliding carriage is connected to a power output shaft of the steam trailer;
  • the length of the power output shaft is relatively distant from the front frame and the rear frame equal;
  • a plurality of bearing seats are mounted on a rear end of the rear frame, and the integrated control arm shaft is rotatably mounted on each bearing housing, and a cargo box bucket for loading the bucket is respectively connected at two ends of the integrated control arm shaft Unloading the traveling pulley; the loading and unloading traveling pulley of each of the cargo tanks at each end is axially restricted by a pulley frame mounted on the rear frame;
  • An agricultural implement lifting arm for mounting an agricultural implement is connected to the integrated control arm shaft, and the agricultural implement lifting arm is connected to the inverted hook arm; and both sides of the rear frame are provided with a loading bucket The limit carrier bucket travel guide block; the integrated control arm is located above the front and rear racks, and one end of the hook arm is perpendicularly connected to the other end of the telescopic arm.
  • the invention realizes the telescopic function of the vehicle frame, and can carry the cargo box bucket for various transportation operations after being extended, can carry various agricultural implements after shortening, carry out various operations on the farmland, and improve the utilization of the vehicle. Rate, expanding the scope of application.
  • the integrated control arm of the present invention can be turned over, and the bucket can be loaded after the frame is extended by the inversion of the integrated control arm.
  • the invention provides a sliding trolley for installing various pipelines and electric lines of the vehicle, and the sliding trolley keeps the position during the telescopic expansion process, thereby avoiding the elongation of the pipeline and the electric circuit due to the expansion and contraction of the rack or shorten.
  • Figure 1 is a plan view showing the structure in an extended state of the present invention
  • Figure 2 is a plan view showing the structure of the shortened state of the present invention.
  • Figure 3 is a perspective view showing the three-dimensional structure of the front and rear frames of the present invention.
  • FIG. 4 is a schematic perspective view showing the shortened state of the front and rear frames of the present invention.
  • Figure 5 is a schematic view showing the structure of an elongated state applied to a motor vehicle according to the present invention.
  • FIG. 6 is a schematic structural view of a shortened state of the present invention applied to a motor vehicle
  • Figure 7 is a view showing the working state of the loading box of the present invention.
  • Figure 8 is a view showing the working state of the agricultural implement of the present invention.
  • 1 is the front frame
  • 2 is the rear frame
  • 3 is the frame telescopic connection hook beam
  • 4 is the frame telescopic connection hook
  • 5 is the main arm
  • 6 is the telescopic arm
  • 7 is the hook arm
  • 8 is the comprehensive control Arm hydraulic cylinder
  • 9 is a telescopic hydraulic cylinder
  • 10 is a hydraulic cylinder rod connecting shaft
  • 11 is a comprehensive control arm shaft
  • 12 is a bearing seat
  • 13 is a pulley seat frame
  • 14 is a cargo box bucket unloading traveling pulley
  • 15 is a cargo Box walking guide block
  • 16 is the agricultural implement lifting arm
  • 17 is the pneumatic locking device
  • 18 is the frame front bumper
  • 19 is the sliding trolley
  • 20 is the trolley slide
  • 21 is the power output shaft
  • 22 is the connecting seat 23 is a box
  • 24 is a mounting hole
  • 25 is a connecting rod.
  • the present invention includes a front frame 1, a rear frame 2, a frame telescopic connecting hook 4, an integrated control arm, an integrated control arm shaft 11, an integrated control arm hydraulic cylinder 8 and a telescopic hydraulic cylinder 9,
  • the front frame 1 and the rear frame 2 are both rectangular and can be welded by a square tube or a U-shaped channel steel; the front end of the rear frame 2 and the rear end of the front frame 1 can be relatively telescopically inserted, and the rear end is rotated.
  • a plurality of bearing blocks 12 are mounted, and the integrated control arm shaft 11 is rotatably mounted on each of the bearing housings 12.
  • a cargo container bucket unloading traveling pulley 14 for loading the bucket 23 is connected, Each of the cargo container bucket unloading travel pulleys 14 is axially restrained by a pulley mount 13 fixed to the rear end of the rear frame 2; the pulley mount 13 has a "U" shape, a “U” shaped bottom and rear
  • the frame 2 is fixed, and the open ends are respectively located on two sides of the axial direction of each of the loading and unloading traveling pulleys 14 of the cargo container.
  • a front bumper 18 is fixed to the front end of the front frame 1.
  • the integrated control arm includes a main arm 5, a telescopic arm 6 and a hook arm 7.
  • One end of the main arm 5 is hinged to the integrated control arm shaft 11, and the other end is telescopically coupled to one end of the telescopic arm 6, and the telescopic arm 6 is inserted.
  • the other end is connected to one end of the hook arm 7, and the other end of the hook arm 7 is hook-shaped; the hook arm 7 is provided with a mounting hole 24 for connection.
  • the integrated control arm is located above the front and rear frames 1, 2, and one end of the hook arm 7 is vertically connected to the other end of the telescopic arm 6.
  • a frame telescopic connecting hook beam 3 is fixed to the front frame 1, and the frame telescopic connecting hook 4 is mounted on the frame telescopic connecting hook beam 3 and hooks the hook arm 7.
  • the opposite sides of the outer surface of the main arm 5 are respectively provided with a hydraulic cylinder rod connecting shaft 10, and two integrated control arm hydraulic cylinders 8 are symmetrically arranged on both sides of the main arm 5, and the cylinder of the integrated control arm hydraulic cylinder 8 on each side Both are hinged to the rear frame 2, and the piston is hinged to the hydraulic cylinder rod connecting shaft 10 on the same side main arm 5, and the integrated control arm is driven by the integrated control arm hydraulic cylinder 8 to be turned around the integrated control arm shaft 11.
  • a telescopic hydraulic cylinder 9 is accommodated inside the telescopic arm 6.
  • the cylinder of the telescopic hydraulic cylinder 9 is connected to the inner surface of the main arm 5, and the piston is connected to the inner surface of the telescopic arm 6, and is telescopically driven by the telescopic hydraulic cylinder 9.
  • the front and rear frames 1, 2 are relatively telescopic.
  • the two sides of the main arm 5 are symmetrically provided with trolley slides 20 respectively mounted on the rear frame 2 and then the telescopic expansion and contraction of the rack 2, and a slide trolley 19 is provided between the trolley slides 20 on both sides, and the slide table is provided. Pulleys that are in rolling contact with the trolley slide 20 are mounted on both sides of the vehicle 19.
  • the slide carriage 19 is connected to the power output shaft 21 of the steam tow machine, and the length of the power output shaft 21 is equal to the distance between the front frame 1 and the rear frame 2.
  • the integrated control arm shaft 11 is connected with a farm implement lifting arm 16 for installing agricultural implements.
  • the farm implement lifting arm 16 is provided with a connecting seat 22, and the integrated control arm is driven by the integrated control arm hydraulic cylinder 8 to be inverted.
  • the connector 22 on the 11 can be connected to the mounting hole 24 in the hook arm 7 via the connecting rod 25.
  • the two sides of the rear frame 2 are provided with a cargo tank bucket guiding guide 15. When the integrated control arm loads the bucket 23, the bucket 23 is restricted by the cargo compartment bucket guiding guides 15 on both sides.
  • a pneumatic locking device 17 is respectively mounted on both sides of the rear frame 2, and the front and rear frames 1 and 2 are respectively inserted with locking holes, and the front and rear frames 1 and 2 are telescopically placed, and then pneumatically The locking device 17 is inserted into the locking hole to automatically self-lock, and the front and rear frames 1 and 2 are prevented from being shaken.
  • the working principle of the invention is:
  • the invention is applied to a steam towed machine and has two states of elongation and shortening.
  • the telescopic arm 6 in the integrated control arm is hooked with the rack telescopic connecting hook 4 mounted on the front frame 1, and the cylinder and the piston of the telescopic hydraulic cylinder 9 are respectively connected to the main arm 5 and the telescopic arm 6. .
  • the telescopic hydraulic cylinder 9 works, the power is transmitted to the integrated control arm shaft 11 through the main arm 5, and the rear frame 2 is driven by the integrated control arm shaft 11; at the same time, the telescopic arm 6 and the frame are telescopic
  • the connecting hook 4 transmits power to the frame telescopic connecting hook beam 3, and then the front telescopic connecting hook beam 3 drives the front frame 1 to realize the relative elongation of the front and rear frames 1, 2. Since the distance between the front and rear frames 1, 2 is equal to the length of the power output shaft 21, the slide carriage 19 remains stationary during the elongation process, and the carriage slide 20 and the frame 2 are relatively slid. The trolley 19 moves.
  • the sliding trolley 19 is connected with a rear wheel brake pipe and a taillight lamp, a turn signal, a license plate lamp, a brake lamp, and the like, and the process of stretching and contracting the front and rear frames 1 and 2 by the sliding carriage 19 The position is kept still, so the pipes and electric lines do not need to be stretched.
  • Figure 7 As shown, after the frame is extended, the integrated control arm can be driven by the integrated control arm hydraulic cylinder 8 to be turned over. When the rollover is required, the frame telescopic connecting hook 4 is removed from the telescopic arm 6, and the integrated control arm hydraulic pressure on both sides is shown. The cylinders 8 operate in synchronism, and the drive integrated control arm is turned around the integrated control arm shaft 11.
  • the integrated control arm hydraulic cylinder 8 stops working, and the bucket 23 is hung on the hook of the other end of the hook arm 7, and then the integrated control arm hydraulic cylinder 8 is reversely retracted and extended with the telescopic arm 6 through the integration.
  • the control arm loads the bin 23 on the frame.
  • the cargo tank unloading traveling pulley 14 on both sides of the rear end portion of the rear frame 2 is in rolling contact with the tank 23 to facilitate loading and unloading of the tank 23.
  • the cargo box running guides 15 on both sides of the rear frame 2 can prevent the box 23 from shaking left and right and limit the box 23 .
  • the hydraulic cylinders 8 of the integrated control arms on both sides work synchronously, and the integrated control arm is turned around the integrated control arm shaft 11. During the turning process, the bucket 23 is gradually dropped from the frame and in contact with the ground. When the main arm 5 is at an angle of 45°, the bin 23 can be unloaded.
  • the telescopic hydraulic cylinder 9 operates, the power is transmitted to the integrated control arm shaft 11 through the main arm 5, and the rear frame 2 is driven by the integrated control arm shaft 11; 6 and the rack telescopic connecting hook 4 transmits the power to the rack telescopic connecting hook beam 3, and then the frame telescopic connecting hook beam 3 drives the front frame 1 to realize the relative shortening of the front and rear frames 1, 2. Since the relative shortening distances of the front and rear frames 1, 2 are equal to the length of the power output shaft 21, the sliding carriage 19 remains different during the shortening process, and the trolley slide 20 and the frame 2 are relatively slid by the trolley 19 mobile.
  • the pipes and electric lines on the sliding carriage 19 do not need to be shortened.
  • various agricultural implements can also be loaded by the agricultural implement lifting arm 16 .
  • the integrated control arm hydraulic cylinders 8 on both sides work synchronously, and the integrated control arm is driven around the integrated control arm shaft 11 . Flip and shorten the fit with the telescopic arm 6.
  • the agricultural implement lifting arm 16 is connected to the mounting hole 24 of the hook arm 7 through the connecting rod 25, and is mounted on the agricultural implement lifting arm 16. Corresponding farm tools.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Agricultural Machines (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

一种机动车辆的车架，具体地说是一种汽拖一体机伸缩机架，前、后机架（1、2）可相对伸缩地插接，后机架（2）上转动安装有综合控制臂轴（11），主臂（5）的一端铰接于综合控制臂轴（11）上，另一端与伸缩臂（6）的一端可相对伸缩地插接，伸缩臂（6）的另一端与钩臂（7）相连；机架伸缩连接钩（4）安装在前机架（1）上，并钩住钩臂（7）；综合控制臂液压油缸（8）的缸体铰接于在后机架（2）上、活塞与主臂（5）铰接；伸缩液压油缸（9）容置于伸缩臂（6）内，缸体安装在主臂（5）的内表面、活塞与伸缩臂（6）的内表面相连，通过伸缩液压油缸（9）的伸缩驱动前、后机架（1、2）相对伸缩。该汽拖一体机伸缩机架实现了车辆机架的伸缩功能，伸长后可自身携带载货箱斗（23）进行各种运输作业，缩短后能携带各种农机具，对农田进行各种作业，提高了车辆的利用率，扩大了应用范围。

Description

一种汽拖一体机伸缩机架 技术领域
本发明涉及机动车辆的车架，具体地说是一种汽拖一体机伸缩机架。
背景技术
目前，机动车辆的总长度是固定不变的，车架不能伸缩，导致汽车只能用于运输，拖拉机只能用于农田作业。现有机动车辆功能单一，利用率不高，适用范围小的现状已无法满足人们日益增长的工作生活需求。
发明内容
为了解决现有机动车辆因车架无法伸缩而导致的上述问题，满足人们的工作生活需求，本发明的目的在于提供一种汽拖一体机伸缩机架。
本发明的目的是通过以下技术方案来实现的：
本发明包括前机架、后机架、机架伸缩连接钩、综合控制臂、综合控制臂轴、综合控制臂液压油缸及伸缩液压油缸，其中后机架的前端与所述前机架可相对伸缩地插接，后端转动安装有所述综合控制臂轴，所述综合控制臂包括主臂、伸缩臂及钩臂，该主臂的一端铰接于所述综合控制臂轴上，另一端与所述伸缩臂的一端可相对伸缩地插接，该伸缩臂的另一端与所述钩臂的一端相连，该钩臂的另一端呈钩状；所述机架伸缩连接钩安装在前机架上，并钩住所述伸缩臂；所述综合控制臂液压油缸的缸体铰接于在后机架上、活塞与所述主臂铰接，通过该综合控制臂液压油缸驱动所述综合控制臂翻转；所述伸缩液压油缸容置于伸缩臂内，缸体安装在所述主臂的内表面、活塞与所述伸缩臂的内表面相连，通过该伸缩液压油缸的伸缩驱动所述前、后机架相对伸缩；
所述主臂的两侧对称设有分别安装在后机架上、随后机架伸缩的台车滑道，两侧的台车滑道之间设有滑动台车，该滑动台车的两侧均安装有与所述台车滑道滚动接触的滑轮；所述滑动台车与汽拖一体机的动力输出轴相连；所述动力输出轴的长度与前机架和后机架相对伸缩的距离相等；
所述后机架的后端安装有多个轴承座，所述综合控制臂轴转动安装在各轴承座上，在该综合控制臂轴的两端分别连接有便于装载箱斗的载货箱斗卸装行走滑轮；每端所述载货箱斗卸装行走滑轮均通过安装在后机架上的滑轮座架轴向限位；
所述综合控制臂轴上连接有安装农机具的农具升降支臂，该农具升降支臂与翻转后的所述钩臂相连；所述后机架的两侧均设有对装载的箱斗进行限位的载货箱斗行走导块；所述综合控制臂位于前、后机架的上方，所述钩臂的一端与伸缩臂的另一端垂直相连。
本发明的优点与积极效果为：
1.本发明实现了车辆机架的伸缩功能，伸长后可自身携带载货箱斗进行各种运输作业，缩短后能携带各种农机具，对农田进行各种作业，提高了车辆的利用率，扩大了应用范围。
2.本发明的综合控制臂可进行翻转，通过综合控制臂的翻转在机架伸长后可装载箱斗。
3.本发明设置了安装车辆各种管路、电线路的滑动台车，在机架伸缩过程中滑动台车保持位置不动，避免了管路、电线路因机架的伸缩而伸长或缩短。
附图说明
图1为本发明伸长状态的结构俯视图；
图2为本发明缩短状态的结构俯视图；
图3为本发明前、后机架伸长状态的立体结构示意图；
图4为本发明前、后机架缩短状态的立体结构示意图；
图5为本发明应用于机动车辆上的伸长状态结构示意图；
图6为本发明应用于机动车辆上的缩短状态结构示意图；
图7为本发明装载箱斗的工作状态图；
图8为本发明装载农具的工作状态图；
其中：1为前机架，2为后机架，3为机架伸缩连接钩横梁，4为机架伸缩连接钩，5为主臂，6为伸缩臂，7为钩臂，8为综合控制臂液压油缸，9为伸缩液压油缸，10为液压油缸杆连接轴，11为综合控制臂轴，12为轴承座，13为滑轮座架，14为载货箱斗卸装行走滑轮，15为载货箱斗行走导块，16为农具升降支臂，17为气动锁解装置，18为机架前杠，19为滑动台车，20为台车滑道，21为动力输出轴，22为连接座，23为箱斗，24为安装孔，25为连杆。
具体实施方式
下面结合附图对本发明作进一步详述。
如图1～4所示，本发明包括前机架1、后机架2、机架伸缩连接钩4、综合控制臂、综合控制臂轴11、综合控制臂液压油缸8及伸缩液压油缸9，其中前机架1与后机架2均呈长方形，可用方形管或U形槽钢焊接而成；后机架2的前端与前机架1的后端可相对伸缩地插接，后端转动安装有多个轴承座12，综合控制臂轴11转动安装在各轴承座12上，在该综合控制臂轴11的两端分别连接有便于装载箱斗23的载货箱斗卸装行走滑轮14，每端的载货箱斗卸装行走滑轮14均通过固定在后机架2后端上的滑轮座架13轴向限位；该滑轮座架13呈“U”形，“U”形的底部与后机架2固接，开口端分别位于每端载货箱斗卸装行走滑轮14轴向的两侧。前机架1的前端固接有机架前杠18。
综合控制臂包括主臂5、伸缩臂6及钩臂7，该主臂5的一端铰接于综合控制臂轴11上，另一端与伸缩臂6的一端可相对伸缩地插接，该伸缩臂6的另一端与钩臂7的一端相连，钩臂7的另一端呈钩状；在钩臂7上开有用于连接的安装孔24。综合控制臂位于前、后机架1、2的上方，钩臂7的一端与伸缩臂6的另一端垂直相连。在前机架1上固接有机架伸缩连接钩横梁3，机架伸缩连接钩4安装在机架伸缩连接钩横梁3上，并钩住钩臂7。主臂5外表面相对的两侧分别设有液压油缸杆连接轴10，在主臂5的两侧对称设有两个综合控制臂液压油缸8，每侧的综合控制臂液压油缸8的缸体均铰接在后机架2上，活塞与同侧主臂5上的液压油缸杆连接轴10铰接，通过该综合控制臂液压油缸8驱动综合控制臂绕综合控制臂轴11翻转。在伸缩臂6的内部容置有伸缩液压油缸9，该伸缩液压油缸9的缸体与主臂5的内表面相连，活塞与伸缩臂6的内表面相连，通过该伸缩液压油缸9的伸缩驱动前、后机架1、2相对伸缩。
主臂5的两侧对称设有分别安装在后机架2上、随后机架2伸缩的台车滑道20，两侧的台车滑道20之间设有滑动台车19，该滑动台车19的两侧均安装有与台车滑道20滚动接触的滑轮。滑动台车19与汽拖一体机的动力输出轴21相连，该动力输出轴21的长度与前机架1和后机架2相对伸缩的距离相等。
综合控制臂轴11上连接有安装农机具的农具升降支臂16，该农具升降支臂16上设有连接座22，在综合控制臂由综合控制臂液压油缸8驱动翻转后，综合控制臂轴11上的连接座22可通过连杆25与钩臂7上的安装孔24相连。后机架2的两侧均设有载货箱斗行走导块15，当综合控制臂装载箱斗23后，该箱斗23通过两侧的载货箱斗行走导块15进行限位。
在后机架2的两侧分别安装有气动锁解装置17，前、后机架1、2相插接的部分均开有锁孔，当前、后机架1、2伸缩到位后，通过气动锁解装置17插入锁孔进行自动自锁，避免前、后机架1、2发生窜动。
本发明的工作原理为：
本发明应用于汽拖一体机上，具有伸长和缩短两种状态。
如图5所示，综合控制臂中的伸缩臂6与前机架1上安装的机架伸缩连接钩4钩接，伸缩液压油缸9的缸体及活塞分别与主臂5和伸缩臂6连接。需要机架伸长时，伸缩液压油缸9工作，通过主臂5将动力传递给综合控制臂轴11，再由综合控制臂轴11带动后机架2；同时，通过伸缩臂6及机架伸缩连接钩4将动力传递给机架伸缩连接钩横梁3，再由机架伸缩连接钩横梁3带动前机架1，实现前、后机架1、2的相对伸长。因前、后机架1、2相对伸长的距离与动力输出轴21的长度相等，故在伸长的过程中，滑动台车19保持不动，台车滑道20随后机架2相对滑动台车19移动。滑动台车19上连接有后轮刹车管路及车尾部车灯照明灯、转向灯、牌照灯、刹车灯等用电线路，因滑动台车19在前、后机架1、2伸缩的过程中保持位置不动，所以各管路及电线路不需要伸长。如图7 所示，在机架伸长后，综合控制臂可由综合控制臂液压油缸8驱动实现翻转，需要翻转时，将机架伸缩连接钩4由伸缩臂6上移下，两侧的综合控制臂液压油缸8同步工作，驱动综合控制臂绕综合控制臂轴11进行翻转。翻转到位后，综合控制臂液压油缸8停止工作，将箱斗23挂在钩臂7另一端的钩上，然后综合控制臂液压油缸8反向缩回、与伸缩臂6伸长配合，通过综合控制臂装载箱斗23于机架上。在装载箱斗23的过程中，后机架2后端部两侧的载货箱斗卸装行走滑轮14与箱斗23滚动接触，便于箱斗23的装卸。箱斗23装在机架上后，后机架2两侧的载货箱斗行走导块15可防止箱斗23发生左右晃动，对箱斗23进行限位。卸载箱斗23时，两侧的综合控制臂液压油缸8同步工作，驱动综合控制臂绕综合控制臂轴11进行翻转，在翻转过程中，带动箱斗23逐渐由机架上落下、与地面接触，至主臂5与成45°角时，箱斗23可进行卸货。
如图6所示，需要机架缩短时，伸缩液压油缸9工作，通过主臂5将动力传递给综合控制臂轴11，再由综合控制臂轴11带动后机架2；同时，通过伸缩臂6及机架伸缩连接钩4将动力传递给机架伸缩连接钩横梁3，再由机架伸缩连接钩横梁3带动前机架1，实现前、后机架1、2的相对缩短。因前、后机架1、2相对缩短的距离与动力输出轴21的长度相等，故在缩短的过程中，滑动台车19保持不同，台车滑道20随后机架2相对滑动台车19移动。滑动台车19上的各管路及电线路不需要缩短。在机架缩短后，还可以通过农具升降支臂16来装载各种农机具，如图8所示，两侧的综合控制臂液压油缸8同步工作，驱动综合控制臂绕综合控制臂轴11进行翻转，并与伸缩臂6缩短配合，至主臂5与机架垂直时，将农具升降支臂16通过连杆25连接至钩臂7上的安装孔24处，在农具升降支臂16上安装相应地农具。

Claims (8)

  1. 一种汽拖一体机伸缩机架，其特征在于：包括前机架(1)、后机架(2)、机架伸缩连接钩(4)、综合控制臂、综合控制臂轴(11)、综合控制臂液压油缸(8)及伸缩液压油缸(9)，其中后机架(2)的前端与所述前机架(1)可相对伸缩地插接，后端转动安装有所述综合控制臂轴(11)，所述综合控制臂包括主臂(5)、伸缩臂(6)及钩臂(7)，该主臂(5)的一端铰接于所述综合控制臂轴(11)上，另一端与所述伸缩臂(6)的一端可相对伸缩地插接，该伸缩臂(6)的另一端与所述钩臂(7)的一端相连，该钩臂(7)的另一端呈钩状；所述机架伸缩连接钩(4)安装在前机架(1)上，并钩住所述伸缩臂(6)；所述综合控制臂液压油缸(8)的缸体铰接于在后机架(2)上、活塞与所述主臂(5)铰接，通过该综合控制臂液压油缸(8)驱动所述综合控制臂翻转；所述伸缩液压油缸(9)容置于伸缩臂(6)内，缸体安装在所述主臂(5)的内表面、活塞与所述伸缩臂(6)的内表面相连，通过该伸缩液压油缸(9)的伸缩驱动所述前、后机架(1、2)相对伸缩。
  2. 按权利要求1所述的汽拖一体机伸缩机架，其特征在于：所述主臂(5)的两侧对称设有分别安装在后机架(2)上、随后机架(2)伸缩的台车滑道(20)，两侧的台车滑道(20)之间设有滑动台车(19)，该滑动台车(19)的两侧均安装有与所述台车滑道(20)滚动接触的滑轮；所述滑动台车(19)与汽拖一体机的动力输出轴(21)相连。
  3. 按权利要求2所述的汽拖一体机伸缩机架，其特征在于：所述动力输出轴(21)的长度与前机架(1)和后机架(2)相对伸缩的距离相等。
  4. 按权利要求1所述的汽拖一体机伸缩机架，其特征在于：所述后机架(2)的后端安装有多个轴承座(12)，所述综合控制臂轴(11)转动安装在各轴承座(12)上，在该综合控制臂轴(11)的两端分别连接有便于装载箱斗(23)的载货箱斗卸装行走滑轮(14)。
  5. 按权利要求4所述的汽拖一体机伸缩机架，其特征在于：每端所述载货箱斗卸装行走滑轮(14)均通过安装在后机架(2)上的滑轮座架(13)轴向限位。
  6. 按权利要求1或4所述的汽拖一体机伸缩机架，其特征在于：所述综合控制臂轴(11)上连接有安装农机具的农具升降支臂(16)，该农具升降支臂(16)与翻转后的所述钩臂(7)相连。
  7. 按权利要求1所述的汽拖一体机伸缩机架，其特征在于：所述后机架(2)的两侧均设有对装载的箱斗(23)进行限位的载货箱斗行走导块(15)。
  8. 按权利要求1所述的汽拖一体机伸缩机架，其特征在于：所述综合控制臂位于前、后机架(1、2)的上方，所述钩臂(7)的一端与伸缩臂(6)的另一 端垂直相连。
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