WO2018223653A1 - 一种受流器用升降装置 - Google Patents

一种受流器用升降装置 Download PDF

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Publication number
WO2018223653A1
WO2018223653A1 PCT/CN2017/116376 CN2017116376W WO2018223653A1 WO 2018223653 A1 WO2018223653 A1 WO 2018223653A1 CN 2017116376 W CN2017116376 W CN 2017116376W WO 2018223653 A1 WO2018223653 A1 WO 2018223653A1
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WIPO (PCT)
Prior art keywords
bar linkage
driving
lifting device
shoe
crank
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/116376
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English (en)
French (fr)
Inventor
张海丰
张彦林
陈明国
彭宝林
周洁
郭瑾玉
陈敏坚
李军
孙宁
王秋红
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.)
CRRC Zhuzhou Locomotive Co Ltd
Original Assignee
CRRC Zhuzhou Locomotive Co Ltd
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Publication date
Application filed by CRRC Zhuzhou Locomotive Co Ltd filed Critical CRRC Zhuzhou Locomotive Co Ltd
Priority to EP17912660.2A priority Critical patent/EP3604021A4/en
Publication of WO2018223653A1 publication Critical patent/WO2018223653A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/28—Devices for lifting and resetting the collector
    • B60L5/30—Devices for lifting and resetting the collector using springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Definitions

  • the present invention relates to the field of flow absorbers, and more particularly to a lifting device for a flow receiver.
  • the four-bar linkage mechanism is used to realize the rise of the current collector, which cannot meet the requirements of the lowering of the main circuit when the main circuit is isolated.
  • the present invention provides the following technical solutions:
  • a lifting device for a flow receiver comprising:
  • a four-bar linkage capable of driving the riser of the receiver, the frame of the four-bar linkage being disposed on the bottom plate;
  • a first driving member capable of driving a crank of the four-bar linkage to rotate in a direction of the descending shoe
  • a first elastic member having an elastic force for driving the crank to rotate in a direction of the lift shoe, the first elastic member being disposed at one end on the bottom plate and the other end being coupled to the crank;
  • the limit member capable of limiting the four-bar linkage mechanism at the lowering shoe position
  • a second elastic member having an elastic force for locking the four-bar linkage mechanism in the limiting member, wherein the second elastic member has one end fixed and the other end connected to the limiting member;
  • the limiting member can be driven to release the second driving member of the four-bar linkage.
  • the rotating shaft of the crank is fixedly connected with a twisting protrusion
  • the first driving member has a first telescopic driving capable of driving the twisting protrusion to twist in the direction of the falling shoe. axis.
  • the first driving member is a descending shoe.
  • the first elastic member is a first spring, and an axis of the first spring is parallel to an axis of the first telescopic drive shaft.
  • the rotating shaft of the crank is fixedly coupled with the driven twisting projection, and the first spring is coupled to the driven twisting projection.
  • a positioning shaft is disposed on a link of the four-bar linkage mechanism, and the limiting member can lock the positioning shaft.
  • the limiting member is a locking hook, and the bottom end of the locking hook is hinged on the bottom plate, and the top end can hook the positioning shaft.
  • the second elastic member is a second spring, and the second spring is connected to a middle portion of the lock hook;
  • the second drive member has a second telescopic drive shaft that is capable of driving the lock hook to rotate in a direction to release the positioning shaft.
  • the second driving member is an unlocking cylinder, and an end of the second spring away from the locking hook is fixed to the unlocking cylinder.
  • the method further includes:
  • An insulating rod disposed on the four-bar linkage mechanism, wherein the insulating rod is provided with a metal member;
  • a position sensing switch disposed on the insulating bracket, the position sensing switch capable of sensing the metal member when the four-bar linkage is in a lowering shoe position.
  • the lifting device for a current receiver comprises a bottom plate; a four-bar linkage mechanism capable of driving the lifting device to be lifted and lowered, and the frame of the four-bar linkage mechanism is disposed on the bottom plate; a first driving member that rotates the crank of the mechanism in the direction of the descending shoe; a first elastic member having an elastic force for driving the crank to rotate in the direction of the lifting shoe, the first elastic member is disposed at one end on the bottom plate and the other end is connected to the crank; a limiting member for limiting the four-bar linkage to the lowering shoe position; a second elastic member having an elastic force for locking the four-bar linkage mechanism in the limiting member, the second elastic member having one end fixed and the other end limited The bit member is connected; the second driving member capable of driving the limiting member to release the four-bar linkage mechanism.
  • the crank of the four-bar linkage is driven by the first driving member to rotate in the direction of the descending shoe, and the first elastic member is deformed by force; when rotating to the lowering shoe position, the four-bar linkage is locked at The retaining member is held in the locking position by the elastic force of the second elastic member, thereby realizing the receiver lowering shoe; when the lifting shoe is required, the driving force of the first driving member is released, and the second driving member is utilized Overcoming the elastic force of the second elastic member, thereby driving the limiting member to release the four-bar linkage mechanism, so that under the elastic restoring force of the first elastic member, the crank is swung to the position of the lifting shoe, thereby realizing the receiver lifting shoe, and releasing at this time The driving force of the second driving member is automatically returned to the position of the second elastic member.
  • the present invention realizes the lifting and lowering of the four-bar linkage mechanism by the cooperation of the first driving member, the second driving member, the first elastic member, the second elastic member and the limiting member, thereby realizing the flow receiving device Lifting boots to meet the requirements of lifting boots for electrical equipment.
  • Figure 1 is a front elevational view of the lifting device for a flow receiver according to an embodiment of the present invention when it is in a lowering position;
  • FIG. 2 is a plan view of the lifting device for a flow receiver according to an embodiment of the present invention when it is located at a lowering shoe position;
  • Fig. 3 is a front elevational view showing the lifting device for a flow receiver according to an embodiment of the present invention in a lift position.
  • the embodiment of the invention provides a lifting device for a flow receiver, which realizes lifting boots for the flow receiving device.
  • the lifting device for a current receiving device comprises a bottom plate 10; a four-bar linkage mechanism 2 capable of driving the lifting and lowering of the current receiving device; the frame of the four-bar linkage mechanism 2 is disposed on the bottom plate 10; and the four-bar linkage mechanism 2 can be driven a first driving member 3 for rotating the crank in the direction of the descending shoe; a first elastic member 1 having an elastic force for driving the crank to rotate in the direction of the lifting shoe, the first elastic member 1 is disposed at one end on the bottom plate 10 and at the other end connected to the crank a limiting member capable of restraining the four-bar linkage mechanism 2 at the lowering shoe position; a second elastic member 5 having an elastic force for locking the four-bar linkage mechanism 2 in the limiting member, one end of the second elastic member 5 The other end is connected to the limiting member; the second driving member 4 of the four-bar linkage 2 can be driven by the limiting member.
  • the crank of the four-bar linkage 2 is driven by the first driving member 3 to rotate in the direction of the descending shoe (ie, counterclockwise in FIG. 3), at which time the first elastic member 1 is deformed by force;
  • the four-bar linkage 2 is locked in the limiting member and held in the locking position under the elastic force of the second elastic member 5, as shown in Figs. 1 and 2, thereby realizing the receiver drop.
  • the driving force of the first driving member 3 is released, and the elastic force of the second elastic member 5 is overcome by the second driving member 4, thereby driving the limiting member to release the four-bar linkage mechanism 2, so that the first Under the elastic restoring force of the elastic member 1, the crank is swung to the position of the lifter, and returns to the state of FIG. 3, thereby realizing the receiver lifter, and at this time, the driving force of the second driving member 4 is released, and the limit member is at the The force of the two elastic members 5 is automatically returned.
  • the present invention realizes the lifting and lowering of the four-bar linkage mechanism 2 by the cooperation of the first driving member 3, the second driving member 4, the first elastic member 1 and the second elastic member 5, and the limiting member, thereby realizing Lifting boots are attached to the flow receiver to meet the lifting shoe requirements of electrical equipment.
  • the rotating shaft of the crank is fixedly coupled with the twisting projection 21, and the first driving member 3 has a first telescopic driving shaft capable of driving the twisting projection 21 to twist in the falling shoe direction.
  • the invention drives the twisting projection 21 to be twisted by the linear motion of the first telescopic drive shaft, thereby realizing the counterclockwise rotation of the crank. Since the force arm of the twisting projection 21 is long, the driving force required to be applied is reduced.
  • the first driving member 3 can also adopt other structures, such as a motor, so that the rotating shaft of the motor directly drives the crank to rotate.
  • the first driving member 3 is a descending shoe cylinder.
  • the invention utilizes the cylinder to drive the twisting protrusion 21 to twist, and has a simple structure and is convenient for installation.
  • the first driving member 3 may also be an electric push rod or the like.
  • the first elastic member 1 is a first spring, and the axis of the first spring is parallel to the axis of the first telescopic drive shaft.
  • the spring has a large elastic force, which ensures a good boot stability.
  • the first elastic member 1 may be a torsion spring or the like that is fitted over the crank shaft.
  • the driven shaft of the crank is fixedly coupled with the driven twisting projection 22, and the first spring is coupled to the driven twisting projection 22.
  • the twisting projection 21 is pushed to the right, and then the driven twisting projection 22 is moved to the right, and the first spring is elongated;
  • the retracting force of the first spring can drive the driven twisting projection 22 to be returned together with the twisting projection 21.
  • the present invention connects the first spring and the descending shoe cylinder with the driven twisting projection 22 and the twisting projection 21, respectively, to facilitate the arrangement of the structure.
  • the present invention may also not provide the above-mentioned driven twisting protrusion 22, increase the axial length of the twisting protrusion 21, and directly connect the first spring to the twisting protrusion 21 to realize the same first spring directly The effect of twisting the protrusions 21 in linkage.
  • the connecting rod of the four-bar linkage mechanism 2 is provided with a positioning shaft 11, and the limiting member can lock the positioning shaft 11.
  • the invention locks the top connecting rod by locking the positioning shaft 11 by the limiting member, thereby realizing the locking four-bar linkage mechanism 2, and the locking strength is better.
  • the positioning shaft 11 described above may also be disposed on the connecting rod of the four-bar linkage mechanism 2.
  • the four-bar linkage mechanism 2 may not be provided with the positioning shaft 11, and the four-bar linkage mechanism 2 may have a positioning protrusion or a positioning card or the like.
  • the limiting member is a locking hook 6, and the bottom end of the locking hook 6 is hinged on the bottom plate 10, and the top end can hook the positioning shaft 11.
  • the positioning shaft 11 is locked by the locking hook 6, and the locking hook 6 is driven to rotate around the bottom end hinge point by the second driving member 4, thereby realizing the release of the positioning shaft 11, and the structure easier.
  • the above-mentioned limiting member may also be provided with the clamping plate in the horizontal direction, so that the elastic force of the second elastic member is pulled down the vertical clamping plate in the vertical direction, thereby achieving the same effect of locking the positioning shaft.
  • the second elastic member 5 is a second spring, and the second spring is coupled to the middle portion of the lock hook 6.
  • the spring has a large spring force and ensures a good locking strength.
  • the second elastic member 5 may also be a spring piece or a torsion spring or the like which is sleeved on the hinge shaft at the bottom end of the locking hook 6.
  • the second drive member 4 has a second telescopic drive shaft capable of driving the lock hook 6 to rotate in a direction to release the positioning shaft 11.
  • the invention drives the locking hook 6 to rotate in the clockwise direction in FIG. 3 by the linear motion of the second telescopic drive shaft, so that the locking hook 6 releases the constraint on the positioning shaft 11, and since the arm is long, The driving force required to be applied is reduced.
  • the second driving member 4 can also adopt other structures, such as a motor, so that the rotating shaft of the motor directly drives the locking hook 6 to rotate.
  • the second driving member 4 is an unlocking cylinder, and one end of the second spring away from the locking hook 6 is fixed on the unlocking cylinder.
  • the invention utilizes the cylinder to drive the locking hook 6 to rotate, has a simple structure and is convenient for installation.
  • the second driving member 4 may be an electric push rod or the like.
  • the lifting device for the flow receiver further includes an insulating rod 7 disposed on the four-bar linkage mechanism 2, the insulating rod 7 is provided with a metal member; the insulating bracket 9 disposed on the bottom plate 10; and the insulating bracket is disposed on the insulating bracket
  • the position sensing switch 8 on the 9 is capable of sensing the metal member when the four-bar linkage 2 is in the lowering shoe position.
  • the metal member on the insulating rod 7 approaches the position sensing switch 8, the position sensing switch 8 is closed, and a signal is sent to realize the position detection of the lowering shoe.
  • the metal piece on the insulating rod 7 is away from the position sensing switch 8, and the position sensing switch 8 is disconnected to send a signal to realize the position detection of the lifting shoe, so that the position state of the receiving device can be automatically known, and the driver can accurately judge the lifting position. Whether the boots are in place.
  • the present invention can also achieve the same effect of determining whether the lift shoe is in place by directly detecting the sensor of the position of the flow receiver.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)

Abstract

一种受流器用升降装置，包括底板（10）；能够驱动受流器升降的四连杆机构（2），四连杆机构（2）的机架设置在底板（10）上；能够驱动四连杆机构（2）的曲柄向降靴的方向转动的第一驱动件（3）；具有驱动曲柄向升靴的方向转动的弹性力的第一弹性件（1），第一弹性件（1）一端设置在底板（10）上，另一端与曲柄连接；能够将四连杆机构（2）限位在降靴位置的限位件；具有将四连杆机构（2）锁紧在限位件内的弹性力的第二弹性件（5），第二弹性件（5）的一端固定，另一端与限位件连接；能够驱动限位件释放四连杆机构（2）的第二驱动件（4）。该受流器用升降装置通过第一驱动件（3）、第二驱动件（4）、第一弹性件（1）和第二弹性件（5）以及限位件的配合实现了四连杆机构（2）的升降，进而实现了对受流器进行升降靴，从而能够满足电气设备的升降靴要求。

Description

一种受流器用升降装置
本申请要求于2017年06月06日提交中国专利局、申请号为201710418667.7、发明名称为“一种受流器用升降装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及受流器技术领域，更具体地说，涉及一种受流器用升降装置。
背景技术
目前，磁悬浮列车用受流器在弹簧力的作用下，采用四连杆机构实现受流器的升起，无法满足某些情况如需要进行主电路隔离时的降靴要求。
综上所述，如何实现对受流器进行升降靴，是目前本领域技术人员亟待解决的技术问题。
发明内容
有鉴于此，本发明的目的在于提供一种受流器用升降装置，以实现对受流器进行升降靴。
为了达到上述目的，本发明提供如下技术方案：
一种受流器用升降装置，包括：
底板；
能够驱动受流器升降的四连杆机构，所述四连杆机构的机架设置在所述底板上；
能够驱动所述四连杆机构的曲柄向降靴的方向转动的第一驱动件；
具有驱动所述曲柄向升靴的方向转动的弹性力的第一弹性件，所述第一弹性件一端设置在所述底板上，另一端与所述曲柄连接；
能够将所述四连杆机构限位在降靴位置的限位件；
具有将所述四连杆机构锁紧在所述限位件内的弹性力的第二弹性件，所述第二弹性件的一端固定，另一端与所述限位件连接；
能够驱动所述限位件释放所述四连杆机构的第二驱动件。
优选的，上述受流器用升降装置中，所述曲柄的转轴固定连接有扭动凸起，所述第一驱动件具有能够驱动所述扭动凸起向降靴方向扭动的第一伸缩驱动轴。
优选的，上述受流器用升降装置中，所述第一驱动件为降靴气缸。
优选的，上述受流器用升降装置中，所述第一弹性件为第一弹簧，所述第一弹簧的轴线平行于所述第一伸缩驱动轴的轴线。
优选的，上述受流器用升降装置中，所述曲柄的转轴固定连接有从动扭动凸起，所述第一弹簧与所述从动扭动凸起连接。
优选的，上述受流器用升降装置中，所述四连杆机构的连杆上设置有定位轴，所述限位件能够锁紧所述定位轴。
优选的，上述受流器用升降装置中，所述限位件为锁钩，所述锁钩的底端铰接在所述底板上，顶端能够钩住所述定位轴。
优选的，上述受流器用升降装置中，所述第二弹性件为第二弹簧，所述第二弹簧与所述锁钩的中部连接；
所述第二驱动件具有能够驱动所述锁钩向释放所述定位轴的方向转动的第二伸缩驱动轴。
优选的，上述受流器用升降装置中，所述第二驱动件为解锁气缸，所述第二弹簧远离所述锁钩的一端固定在所述解锁气缸上。
优选的，上述受流器用升降装置中，还包括：
设置在所述四连杆机构上的绝缘杆，所述绝缘杆上设置有金属件；
设置在所述底板上的绝缘支架；
设置在所述绝缘支架上的位置感应开关，当所述四连杆机构位于降靴位置时所述位置感应开关能够感应到所述金属件。
从上述的技术方案可以看出，本发明提供的受流器用升降装置包括底板；能够驱动受流器升降的四连杆机构，四连杆机构的机架设置在底板上；能够驱动四连杆机构的曲柄向降靴的方向转动的第一驱动件；具有驱动曲柄向升靴的方向转动的弹性力的第一弹性件，第一弹性件一端设置在底板上，另一端与曲柄连接；能够将四连杆机构限位在降靴位置的限位件；具有将四连杆机构锁紧在限位件内的弹性力的第二弹性件，第二弹性件的一端固定，另一端与限位件连接；能够驱动限位件释放四连杆机构的第二驱动件。
当需要降靴时，利用第一驱动件驱动四连杆机构的曲柄向降靴的方向转动，此时第一弹性件受力变形；当转动到降靴位置时，四连杆机构锁紧在限位件内，在第二弹性件的弹性力作用下保持在锁紧位，从而实现受流器降靴；当需要升靴时，释放第一驱动件的驱动力，并利用第二驱动件克服第二弹性件的弹力，从而驱动限位件释放四连杆机构，这样在第一弹性件的弹性回复力作用下，曲柄回转到升靴位置，从而实现受流器升靴，此时释放第二驱动件的驱动力，限位件在第二弹性件的作用力下自动回位。
综上所述，本发明通过第一驱动件、第二驱动件、第一弹性件和第二弹性 件以及限位件的配合实现了四连杆机构的升降，进而实现了对受流器进行升降靴，从而能够满足电气设备的升降靴要求。
附图说明
图1是本发明实施例提供的受流器用升降装置位于降靴位置时的主视图；
图2是本发明实施例提供的受流器用升降装置位于降靴位置时的俯视图；
图3是本发明实施例提供的受流器用升降装置位于升靴位置时的主视图。
具体实施方式
本发明实施例提供了一种受流器用升降装置，实现了对受流器进行升降靴。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例提供的受流器用升降装置包括底板10；能够驱动受流器升降的四连杆机构2，四连杆机构2的机架设置在底板10上；能够驱动四连杆机构2的曲柄向降靴的方向转动的第一驱动件3；具有驱动曲柄向升靴的方向转动的弹性力的第一弹性件1，第一弹性件1一端设置在底板10上，另一端与曲柄连接；能够将四连杆机构2限位在降靴位置的限位件；具有将四连杆机构2锁紧在限位件内的弹性力的第二弹性件5，第二弹性件5的一端固定，另 一端与限位件连接；能够驱动限位件释放四连杆机构2的第二驱动件4。
当需要降靴时，利用第一驱动件3驱动四连杆机构2的曲柄向降靴的方向(即图3中的逆时针方向)转动，此时第一弹性件1受力变形；当转动到降靴位置时，四连杆机构2锁紧在限位件内，在第二弹性件5的弹性力作用下保持在锁紧位，如图1和2所示，从而实现受流器降靴；当需要升靴时，释放第一驱动件3的驱动力，并利用第二驱动件4克服第二弹性件5的弹力，从而驱动限位件释放四连杆机构2，这样在第一弹性件1的弹性回复力作用下，曲柄回转到升靴位置，回到如图3的状态，从而实现受流器升靴，此时释放第二驱动件4的驱动力，限位件在第二弹性件5的作用力下自动回位。
综上所述，本发明通过第一驱动件3、第二驱动件4、第一弹性件1和第二弹性件5以及限位件的配合实现了四连杆机构2的升降，进而实现了对受流器进行升降靴，从而能够满足电气设备的升降靴要求。
本发明一具体的实施例中，曲柄的转轴固定连接有扭动凸起21，第一驱动件3具有能够驱动扭动凸起21向降靴方向扭动的第一伸缩驱动轴。本发明通过第一伸缩驱动轴的直线运动驱动扭动凸起21扭动，从而实现曲柄逆时针转动，由于扭动凸起21的力臂较长，减小了所需要施加的驱动力。当然，第一驱动件3也可以采用其他结构，如电机，使电机的转轴直接驱动曲柄转动。
进一步的技术方案中，第一驱动件3为降靴气缸。本发明利用气缸驱动扭动凸起21扭动，结构简单，方便安装。可替换的，上述第一驱动件3还可以为电动推杆等。
优选的，第一弹性件1为第一弹簧，第一弹簧的轴线平行于第一伸缩驱动轴的轴线。弹簧的弹性力较大，能够保证较好的升靴稳固性。当然，上述第一 弹性件1还可以为套在曲柄转轴上的扭簧等。
上述实施例提供的受流器用升降装置中，曲柄的转轴固定连接有从动扭动凸起22，第一弹簧与从动扭动凸起22连接。如图1所示，当降靴气缸的驱动轴伸出时，推动扭动凸起21向右移动，此时连带着从动扭动凸起22一起右移，进而拉长了第一弹簧；当降靴气缸的驱动轴缩回时，第一弹簧的回缩力能够驱动从动扭动凸起22连带着扭动凸起21一起回位。本发明使第一弹簧和降靴气缸分别与从动扭动凸起22和扭动凸起21连接，便于结构的布置。当然，本发明也可以不设置上述从动扭动凸起22，增加扭动凸起21的轴向长度，使第一弹簧直接与扭动凸起21连接，以实现同样的第一弹簧直接与扭动凸起21联动的效果。
为了便于锁紧四连杆机构2，四连杆机构2的连杆上设置有定位轴11，限位件能够锁紧定位轴11。本发明通过限位件锁紧定位轴11的方式锁紧顶部的连杆，实现锁紧四连杆机构2，锁紧强度更好。上述定位轴11也可以设置在四连杆机构2的连架杆上。上述四连杆机构2也可以不设置上述定位轴11，使四连杆机构2上具有定位凸起或者设置定位卡板等。
进一步的，限位件为锁钩6，锁钩6的底端铰接在底板10上，顶端能够钩住定位轴11。本实施例在第二弹性件的作用下，通过锁钩6锁住定位轴11，并通过第二驱动件4驱动锁钩6围绕其底端铰接点转动，实现对定位轴11的释放，结构比较简单。当然，上述限位件还可以为沿水平方向设置夹板，使第二弹性件的弹性力沿竖直方向向下拉紧上述夹板，从而实现同样的锁紧定位轴的效果。
第二弹性件5为第二弹簧，第二弹簧与锁钩6的中部连接。弹簧的弹性力 较大，能够保证较好的锁紧强度。当然，上述第二弹性件5还可以为弹簧片或者套在锁钩6底端的铰接轴上的扭簧等。
第二驱动件4具有能够驱动锁钩6向释放定位轴11的方向转动的第二伸缩驱动轴。本发明通过第二伸缩驱动轴的直线运动驱动锁钩6向释放定位轴11的方向即图3中的顺时针方向转动，使锁钩6解除对定位轴11的约束，由于力臂较长，减小了所需要施加的驱动力。当然，第二驱动件4也可以采用其他结构，如电机，使电机的转轴直接驱动锁钩6转动。
第二驱动件4为解锁气缸，第二弹簧远离锁钩6的一端固定在解锁气缸上。本发明利用气缸驱动锁钩6转动，结构简单，方便安装。可替换的，上述第二驱动件4还可以为电动推杆等。
为了进一步优化上述技术方案，受流器用升降装置还包括设置在四连杆机构2上的绝缘杆7，绝缘杆7上设置有金属件；设置在底板10上的绝缘支架9；设置在绝缘支架9上的位置感应开关8，当四连杆机构2位于降靴位置时位置感应开关8能够感应到金属件。当降靴到位时，绝缘杆7上的金属件接近位置感应开关8，位置感应开关8闭合，发送信号，实现降靴位置检测。当升靴到位时，绝缘杆7上的金属件远离位置感应开关8，位置感应开关8断开发送信号，实现升靴位置检测，从而能够自动获知受流器的位置状态，司机能够准确判断升降靴是否到位。可替换的，本发明还可以通过直接检测受流器位置的传感器，以实现同样的判断升降靴是否到位的效果。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本 发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种受流器用升降装置，其特征在于，包括：
    底板(10)；
    能够驱动受流器升降的四连杆机构(2)，所述四连杆机构(2)的机架设置在所述底板(10)上；
    能够驱动所述四连杆机构(2)的曲柄向降靴的方向转动的第一驱动件(3)；
    具有驱动所述曲柄向升靴的方向转动的弹性力的第一弹性件(1)，所述第一弹性件(1)一端设置在所述底板(10)上，另一端与所述曲柄连接；
    能够将所述四连杆机构(2)限位在降靴位置的限位件；
    具有将所述四连杆机构(2)锁紧在所述限位件内的弹性力的第二弹性件(5)，所述第二弹性件(5)的一端固定，另一端与所述限位件连接；
    能够驱动所述限位件释放所述四连杆机构(2)的第二驱动件(4)。
  2. 根据权利要求1所述的受流器用升降装置，其特征在于，所述曲柄的转轴固定连接有扭动凸起(21)，所述第一驱动件(3)具有能够驱动所述扭动凸起(21)向降靴方向扭动的第一伸缩驱动轴。
  3. 根据权利要求2所述的受流器用升降装置，其特征在于，所述第一驱动件(3)为降靴气缸。
  4. 根据权利要求2所述的受流器用升降装置，其特征在于，所述第一弹性件(1)为第一弹簧，所述第一弹簧的轴线平行于所述第一伸缩驱动轴的轴线。
  5. 根据权利要求4所述的受流器用升降装置，其特征在于，所述曲柄的转轴固定连接有从动扭动凸起(22)，所述第一弹簧与所述从动扭动凸起(22) 连接。
  6. 根据权利要求1所述的受流器用升降装置，其特征在于，所述四连杆机构(2)的连杆上设置有定位轴(11)，所述限位件能够锁紧所述定位轴(11)。
  7. 根据权利要求6所述的受流器用升降装置，其特征在于，所述限位件为锁钩(6)，所述锁钩(6)的底端铰接在所述底板(10)上，顶端能够钩住所述定位轴(11)。
  8. 根据权利要求7所述的受流器用升降装置，其特征在于，所述第二弹性件(5)为第二弹簧，所述第二弹簧与所述锁钩(6)的中部连接；
    所述第二驱动件(4)具有能够驱动所述锁钩(6)向释放所述定位轴(11)的方向转动的第二伸缩驱动轴。
  9. 根据权利要求8所述的受流器用升降装置，其特征在于，所述第二驱动件(4)为解锁气缸，所述第二弹簧远离所述锁钩(6)的一端固定在所述解锁气缸上。
  10. 根据权利要求1-9任一项所述的受流器用升降装置，其特征在于，还包括：
    设置在所述四连杆机构(2)上的绝缘杆(7)，所述绝缘杆(7)上设置有金属件；
    设置在所述底板(10)上的绝缘支架(9)；
    设置在所述绝缘支架(9)上的位置感应开关(8)，当所述四连杆机构(2)位于降靴位置时所述位置感应开关(8)能够感应到所述金属件。
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