WO2019010625A1 - 底盘车合闸闭锁装置 - Google Patents

底盘车合闸闭锁装置 Download PDF

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Publication number
WO2019010625A1
WO2019010625A1 PCT/CN2017/092461 CN2017092461W WO2019010625A1 WO 2019010625 A1 WO2019010625 A1 WO 2019010625A1 CN 2017092461 W CN2017092461 W CN 2017092461W WO 2019010625 A1 WO2019010625 A1 WO 2019010625A1
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WO
WIPO (PCT)
Prior art keywords
plate
closing
locking
limiting
chassis
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/CN2017/092461
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English (en)
French (fr)
Inventor
王其亮
吕育蓉
庄志坚
李巧玲
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.)
ABB Schweiz AG
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ABB Schweiz AG
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.)
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Publication date
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to CN201780092964.5A priority Critical patent/CN110870150B/zh
Priority to EP17917385.1A priority patent/EP3654468A4/en
Priority to PCT/CN2017/092461 priority patent/WO2019010625A1/zh
Publication of WO2019010625A1 publication Critical patent/WO2019010625A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/127—Withdrawal mechanism
    • H02B11/133—Withdrawal mechanism with interlock

Definitions

  • the invention belongs to the technical field of electric power products, and particularly relates to the technical field of high voltage switchgear. In particular, it relates to a chassis vehicle device for a high voltage switch breaker.
  • the switching device is used as a protection device in the power system, and safety during operation is particularly important. As one of the five locks and one key interlock, it is required that the chassis car cannot be shaken in and out in the state where the switch device is closed, thereby preventing the operator from operating the switch device under the misoperation. Still can play a protective role.
  • the existing known mechanism of chassis closing and closing of the chassis directly adopts an interlocking mechanism triggered by the actuator of the switching device to realize the stop or give way of the chassis turning plate: when the switching device is closed, the actuation is performed.
  • the device drives the three-phase contact closing action, and at the same time drives the interlock mechanism of the chassis to move to the designated position, thereby stopping the flap of the chassis; when the switching device is opened, the actuator drives the three-phase contact
  • the opening operation is carried out, and at the same time, the interlocking mechanism is driven to move in the opposite direction to make a position for the chassis of the chassis.
  • FIG. 1A and FIG. 1B are a conventional chassis closing and closing device, wherein FIG. 1A is a perspective view and FIG. 1B is a front view.
  • the closing state is composed of a movable pivot 101 movable up and down, a linkage lever 102, a latching first linkage lever 201, a latching second linkage lever 202, a latching fixing pin 203, a latching stopper 204, and a chassis car.
  • the flap 301 and the screw 302 are composed.
  • the moving pivot 101 realizes the opening and closing operation of the switch, and then drives the first linkage rod 201 to move up and down together by the linkage rod 102; the second linkage rod 202 and the locking stopper 204 are blocked.
  • the fixings are coupled together and can be rotated about the locking fixing pin 203, and the locking fixing pin 203 is not affected by other moving parts.
  • the second linkage rod 202 is locked and connected to the first linkage rod 201.
  • the latching stop tab 204 can be rotated by the latching of the first linkage rod 201.
  • the latching stop tab 204 is rotated above the tab 3013 of the flap 301 with a small gap.
  • the present invention is directed to the above-mentioned defects and problems of the chassis closing and locking device of the prior art.
  • the present invention provides a chassis closing and locking device, comprising a closing and locking unit; the closing and locking unit comprises a support plate, a locking plate and a tension spring; one end of the tension spring is fixed on the lock plate, and the other end is fixed on the support plate; the support plate includes a first limit plate and a second limit plate; the lock plate is rotatably fixed on the rotating shaft; Under the action of the driving plate, the rotating shaft rotates clockwise or counterclockwise; when the locking plate is rotated to be restricted by the first limiting plate, the driving plate is disengaged from the closing locking unit; the locking plate is rotated to be restricted by the second limiting plate When the driving plate is in contact with the closing and locking unit, and the resetting of the driving plate drives the closing and locking unit to rotate away from the second limiting plate in the direction of the first limiting plate.
  • the height and width of the locking plate are adapted to: when the locking plate is rotated to be restricted by the first limiting plate, the locking plate is located below the protruding piece and blocks out The sheet is moved downward; when the locking plate is rotated to be restricted by the second limiting plate, the locking plate is out of the restricted range in which the protruding piece moves up and down.
  • the drive plate moves up and down with the closing or opening operation of the switching device actuator, thereby driving the locking plate to rotate clockwise or counterclockwise.
  • the lock plate has a dead position between the first limit plate and the second limit plate limit, and the tension spring reaches the maximum pull at the dead position. Stretching energy.
  • the locking plate includes a U-shaped groove adapted to receive the driving plate protrusion and is driven by the driving plate, and the first limiting plate and the second limiting plate are limited. Rotate clockwise or counterclockwise around the axis.
  • the U-shaped groove includes a first protrusion and a second protrusion; the first protrusion is adapted to be driven when the lock plate is limited by the first limit plate
  • the plate drive rotates the shaft until the lock plate reaches the second limit plate limit position; the second protrusion is adapted to be driven by the drive plate to rotate the shaft until the lock plate is locked by the second limit plate until the lock plate is locked Reach the limit position of the first limit plate.
  • the driving board includes a driving board protrusion adapted to match the U-shaped groove of the locking plate, when the locking plate reaches the first limiting plate position or the second limiting plate In the limit position, when the driving plate continues to move in the same direction, the driving plate protrusions are disengaged from the U-shaped groove, and the reverse movement drives the locking plate.
  • the striker plate includes a raised pin
  • the support plate includes a spring hook
  • the tension spring is secured to the raised pin at one end and to the spring hook at the other end.
  • the striker plate reaches the dead center position when the striker plate is rotated until the raised pin, the spring hook and the rotating shaft are in a straight line.
  • a flap and a screw mechanism including a flap, Screw, stop pin; the flap includes a retaining hole that can be locked or given a seat with the stop pin.
  • the projecting piece and the flap are of a unitary structure or a fixedly coupled separate structure.
  • the chassis closing and locking device provided by the invention has more safety, in particular, the force when the chassis car is shaken and shaken does not act on the actuator of the switch device; further, the structure is simple and modular, and the assembly is saved. time.
  • FIG. 1A-1B are schematic views showing the structure of a conventional chassis closing and locking device;
  • FIG. 1A is a perspective view, and
  • FIG. 1B is a front view;
  • FIG. 2 is a schematic structural view of a chassis closing and locking device according to a preferred embodiment of the present invention
  • FIG. 3 is a schematic structural view of a locking unit of a chassis closing and locking device according to a preferred embodiment of the present invention
  • FIG. 4 is a schematic view of a chassis car closing and locking device for locking a chassis car according to a preferred embodiment of the present invention
  • FIG. 5A-5B are schematic views of the undercarriage closing and closing device releasing the chassis of the chassis according to a preferred embodiment of the present invention, wherein FIG. 5A is a front view and FIG. 5B is a perspective view.
  • FIG. 2 is a schematic view showing the undercarriage closing and locking device with dead center position of the present invention; The figure shows a state in which the actuator of the switching device is turned on.
  • the chassis closing and closing device of the present invention comprises a closing and locking unit 5;
  • the closing and locking unit 5 comprises a supporting plate 501, a locking plate 502 and a tension spring 503; one end of the tension spring 503 is fixed on the locking plate 502, The other end is fixed on the support plate 501;
  • the support plate 501 includes a first limiting plate 5011 and a second limiting plate 5012;
  • the locking plate 502 is rotatably fixed on the rotating shaft 5015; and under the action of the driving plate 4,
  • the rotating shaft 5015 rotates clockwise or counterclockwise; when the locking plate 502 is rotated to be restricted by the first limiting plate 5011, the driving plate 4 is disengaged from the closing and locking unit 5; when the locking plate 502 is rotated to be restricted by the second limiting plate 5012
  • the flap 301 has a function of the retaining hole 3011 being engageable with the retaining pin 303 to complete the locking or retaining position; and the feature extending piece 3012 on the flap 301 is used for the joint
  • the locking plate 502 of the brake locking unit 5 cooperates to complete the function of buckle or position.
  • the protruding piece 3012 can be integrally formed with the flap 301 or integrally coupled by a fixed coupling.
  • the height and width of the locking plate 502 are adapted to: when the locking plate 502 is rotated to be restrained by the first limiting plate 5011, the locking plate 502 is located below the protruding piece 3012, and The blocking protrusion piece 3012 is moved downward; when the locking plate 502 is rotated to be restricted by the second limiting plate 5012, the locking plate 502 is out of the restriction range in which the extending piece 3012 moves up and down.
  • the driving plate 4 is coupled to the actuator of the switching device, and moves up and down with the closing or opening operation of the switching device actuator, thereby driving the locking plate 502 to rotate clockwise or counterclockwise.
  • the locking plate 502 has a dead position between the first limiting plate 5011 and the second limiting plate 5012.
  • the tension spring 503 is in the At the dead point position, the maximum tensile energy storage is reached.
  • the locking plate 502 includes a protruding pin 5022.
  • the supporting plate 501 includes a spring hook 5013.
  • One end of the tension spring 503 is fixed on the protruding pin 5022, and the other end is fixed on the spring hook 5013.
  • the locking plate 502 When the locking plate 502 is rotated until the protruding pin 5022, the spring hook 5013 and the rotating shaft 5015 are in a straight line, the locking plate 502 reaches the dead point position.
  • the chassis closing and locking device of the present invention further includes a flap and screw mechanism 3, which includes a flap 301, a screw 302, and a stop pin 303.
  • the flap 301 includes a retaining hole 3011. It can be locked or given in place with the stop pin 303.
  • the projecting tab 3012 and the flap 301 are of a unitary or fixedly coupled, separate configuration.
  • FIG. 3 is a schematic structural view of a locking unit of a chassis closing and closing device according to a preferred embodiment of the present invention
  • the supporting plate 501 has a first limiting plate 5011 and a second limiting plate 5012 for limiting the locking plate 502. a clockwise and counterclockwise rotation angle
  • a spring hook 5013 is used to fix one end of the tension spring 503
  • a fixing hole 5014 is provided in at least one quantity for fixing the support plate 501 to the bottom plate of the chassis car
  • a protruding pin 5022 on the gusset 502 is used to fix the other end of the tension spring 503
  • the locking plate 502 is rotatable about a rotating shaft 5015 on the support plate 501.
  • the locking plate 502 includes a U-shaped groove 5021 adapted to receive the driving plate protrusion 401 and driven by the driving plate 4 to rotate around the rotating shaft 5015 between the first limiting plate 5011 and the second limiting plate 5012. Rotate clockwise or counterclockwise.
  • the U-shaped groove 5021 includes a first protrusion 50211 and a second protrusion 50212; the first The protrusion 50211 is adapted to be driven by the driving plate 4 around the rotating shaft 5015 when the locking plate 502 is restrained by the first limiting plate 5011 until the locking plate 502 reaches the second limiting plate 5012 limiting position; the second convex The 50212 is adapted to be driven by the driving plate 4 around the rotating shaft 5015 when the locking plate 502 is restrained by the second limiting plate 5012 until the locking plate 502 reaches the limiting position of the first limiting plate 5011.
  • the drive plate 4 includes a drive plate projection 401 adapted to mate with the U-shaped groove 5021 of the striker plate 502 to snap into the U-shaped groove 5021.
  • the driving plate 4 completes the up and down movement with the actuator of the switching device, thereby driving the locking plate 502 to complete the clockwise or counterclockwise rotation.
  • the locking plate 502 reaches the position of the first limiting plate 5011 or the limiting position of the second limiting plate 5012, the driving plate 4 continues to move in the same direction, and the driving plate protrusion 401 is disengaged from the U-shaped groove 5021, and the reverse movement is performed.
  • the lock plate 502 is driven.
  • FIG. 4 is a schematic view of a chassis car closing and locking device for locking a chassis car according to a preferred embodiment of the present invention.
  • the drive plate 4 moves with the actuator in the direction shown, triggering the U-shaped slot 5021, causing the locking plate 502 to rotate clockwise in the direction illustrated, due to the extension
  • the locking plate 502 can be rotated below the protruding piece 3012, and the rotation angle is controlled by the first limiting plate 5011, and the tension is extended by the tension spring 503.
  • the position is stably maintained at this position, and there is no contact between the drive plate 4 and the closing lock unit 5 in the termination phase of the completion of the action.
  • FIG. 5A-5B are a preferred embodiment of the present invention, wherein Fig. 5A is a front view and Fig. 5B is a perspective view.
  • the actuator of the switching device When the actuator of the switching device is in the open state, the drive plate 4 is moved downward by a certain distance in the illustrated direction, triggering the U-shaped groove 5021 such that the locking plate 502 is counterclockwise in the direction shown. Rotating and being restrained by the second limiting plate 5012, its steady state is maintained by the tension spring 503.
  • the swinging screw 302 of the screw 302 can be rotated counterclockwise by a certain angle, and there is still a certain gap H between the extending piece 3012 and the locking plate 502, and the stopping pin 303 is not restrained by the flap 301.
  • the chassis can be shaken.
  • the chassis closing and locking device with the dead point mechanism of the invention has more safety than the prior design, and the force when the chassis is shaken and shaken does not act on the actuator of the switch device; the structure is simple, Modular, saving assembly time; meeting IEC related standards.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
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Abstract

一种底盘车合闸闭锁装置，包括合闸闭锁单元(5)；合闸闭锁单元(5)包括支撑板(501)、锁扣板(502)和拉伸弹簧(503)；拉伸弹簧(503)一端固定在锁扣板(502)上，另一端固定在支撑板(501)上；支撑板(501)包括第一限位板(5011)和第二限位板(5012)；锁扣板(502)可旋转的固定在转轴(5015)上；且在驱动板(4)的作用下，绕转轴(5015)顺时针或逆时针旋转；锁扣板(502)旋转到被第一限位板(5011)限制时，驱动板(4)脱离合闸闭锁单元(5)；锁扣板(502)旋转到被第二限位板(5012)限制时，驱动板(4)与合闸闭锁单元(5)接触，且驱动板(4)的复位会带动合闸闭锁单元(5)绕转轴(5015)离开第二限位板(5012)向第一限位板(5011)方向旋转。

Description

底盘车合闸闭锁装置 技术领域
本发明属于电力产品技术领域，具体涉及高压开关设备技术领域。尤其涉及高压开关断路器的底盘车装置。
背景技术
开关装置作为电力系统中保护用的装置，运行过程中的安全性尤为重要。作为五锁一钥匙中的其中一环联锁，要求在开关装置合闸的状态下，底盘车是无法被摇进摇出操作的，这样可以防止操作人员在误操作的情况下操作开关装置，仍然可以起到保护作用。
而现有的底盘车合闸闭锁公知技术，直接采用由开关装置的致动器触发的联锁机构，来实现对底盘车翻板的止动或让位：当开关装置合闸时，致动器带动三相触头合闸动作，同时带动底盘车的联锁机构运动到指定位置，从而对底盘车的翻板进行止动；当开关装置分闸时，致动器带动三相触头进行分闸操作，同时带动联锁机构反方向运动，对底盘车的翻板进行让位。
如图1A和图1B所示为现有的底盘车合闸闭锁装置，其中图1A为立体图，图1B为正面视图。图中为合闸状态，由可上下运动的移动枢101、联动杆102、闭锁第一联动杆201、闭锁第二联动杆202、闭锁固定销203、闭锁止动片204，以及底盘车上的翻板301、螺杆302组成。
移动枢101实现开关的合分闸操作，进而通过联动杆102带动闭锁第一联动杆201一起上下运动；闭锁第二联动杆202与闭锁止动片204 固定联结在一起，并可绕闭锁固定销203转动，闭锁固定销203不受其他运动部件的影响。同时闭锁第二联动杆202与闭锁第一联动杆201连接。这样，在闭锁第一联动杆201的带动下，闭锁止动片204可实现转动。当开关装置处于合闸位置时，闭锁止动片204旋转到翻板301的舌片3013的上方，并具有小的间隙。
但是此种联锁机构存在一定的缺陷：在合闸时，若摇动底盘车，由于联锁机构的止动作用，底盘车上的翻板的回复力会直接作用于联锁机构上，进而作用在开关装置的致动器上，存在造成致动器分闸的危险。另外，现有的底盘车合闸闭锁装置结构复杂，装配复杂。
发明内容
本发明针对上述现有技术中底盘车合闸闭锁装置存在的缺陷和问题，本发明提供一种底盘车合闸闭锁装置，包括合闸闭锁单元；合闸闭锁单元包括支撑板、锁扣板和拉伸弹簧；拉伸弹簧一端固定在锁扣板上，另一端固定在支撑板上；支撑板包括第一限位板和第二限位板；锁扣板可旋转的固定在转轴上；且在驱动板的作用下，绕转轴顺时针或逆时针旋转；锁扣板旋转到被第一限位板限制时，驱动板脱离合闸闭锁单元；锁扣板旋转到被第二限位板限制时，驱动板与合闸闭锁单元接触，且驱动板的复位会带动合闸闭锁单元绕转轴离开第二限位板向第一限位板方向旋转。
根据本发明的一最佳实施例，所述锁扣板的高度和宽度适应于：当锁扣板旋转到被第一限位板限制时，锁扣板位于伸出片下方，且阻挡伸出片下移；当锁扣板旋转到被第二限位板限制时，锁扣板脱离伸出片上下移动的限制范围。
根据本发明的一最佳实施例，所述驱动板随开关装置致动器的合闸或分闸操作而上下运动，进而带动锁扣板顺时针或逆时针旋转。
根据本发明的一最佳实施例，所述锁扣板在第一限位板和第二限位板限位之间存在死点位置，所述拉伸弹簧在该死点位置时，达到最大拉伸储能。
根据本发明的一最佳实施例，所述锁扣板包括U形槽，其适应于容纳驱动板凸起，并被驱动板驱动，在第一限位板和第二限位板限位之间绕转轴顺时针或逆时针旋转。
根据本发明的一最佳实施例，所述U形槽包括第一凸起和第二凸起；所述第一凸起适应于当锁扣板在第一限位板限位时，被驱动板驱动绕转轴直到锁扣板到达第二限位板限位位置；所述第二凸起适应于当锁扣板在第二限位板限位时，被驱动板驱动绕转轴直到锁扣板到达第一限位板限位位置。
根据本发明的一最佳实施例，所述驱动板包括驱动板凸起，其适用于与锁扣板的U形槽匹配，当锁扣板到达第一限位板位置或第二限位板限位位置时，驱动板同方向继续运动则驱动板凸起从U形槽中脱出，反向运动则驱动锁扣板。
根据本发明一最佳实施例，所述锁扣板包括凸起销，所述支撑板包括弹簧吊钩；拉伸弹簧一端固定在凸起销上，另一端固定在弹簧吊钩上。
根据本发明的一最佳实施例，当锁扣板旋转到凸起销、弹簧吊钩和转轴成一条直线时，锁扣板到达死点位置。
根据本发明的一最佳实施例，还包括翻板和螺杆机构，其包括翻板、 螺杆、止动销钉；翻板包括让位孔，其可与止动销钉配合锁定或让位。
根据本发明的一最佳实施例，伸出片与翻板为一体成形结构或固定联接的分离式结构。
本发明提供的底盘车合闸闭锁装置，更具安全性，尤其是底盘车摇进摇出时的力不会作用在开关装置的致动器上；进一步，其结构简单、模块化，节省装配时间。
附图说明
图1A-1B是现有一种底盘车合闸闭锁装置结构示意图；其中图1A为立体图，图1B为正面视图；
图2是根据本发明的一最佳实施例，底盘车合闸闭锁装置结构示意图；
图3是根据本发明的一最佳实施例，底盘车合闸闭锁装置的闭锁单元结构示意图；
图4是根据本发明的一最佳实施例，底盘车合闸闭锁装置锁定底盘车时的示意图；
图5A-5B是根据本发明的一最佳实施例，底盘车合闸闭锁装置释放底盘车时的示意图，其中图5A为正面视图，图5B为立体图。
具体实施方式
以下参考附图，给出了本发明的可选实施方式的具体描述。
图2是表示本发明的带死点位置的底盘车合闸闭锁装置的概略 构成图，该图表示开关装置的致动器合闸的状态下。本发明的底盘车合闸闭锁装置，包括合闸闭锁单元5；合闸闭锁单元5包括支撑板501、锁扣板502和拉伸弹簧503；拉伸弹簧503一端固定在锁扣板502上，另一端固定在支撑板501上；支撑板501包括第一限位板5011和第二限位板5012；锁扣板502可旋转的固定在转轴5015上；且在驱动板4的作用下，绕转轴5015顺时针或逆时针旋转；锁扣板502旋转到被第一限位板5011限制时，驱动板4脱离合闸闭锁单元5；锁扣板502旋转到被第二限位板5012限制时，驱动板4与合闸闭锁单元5接触，且驱动板4的复位会带动合闸闭锁单元5绕转轴5015离开第二限位板5012向第一限位板5011方向旋转。
根据本发明的一最佳实施例，翻板301上具有让位孔3011可与止动销钉303配合，完成锁死或让位的功能；翻板301上的特征伸出片3012用于与合闸闭锁单元5的锁扣板502相配合，完成扣死或让位的功能，伸出片3012可与翻板301一体成形或采用固定联接的方式联接成一体。
根据本发明的一最佳实施例，锁扣板502的高度和宽度适应于：当锁扣板502旋转到被第一限位板5011限制时，锁扣板502位于伸出片3012下方，且阻挡伸出片3012下移；当锁扣板502旋转到被第二限位板5012限制时，锁扣板502脱离伸出片3012上下移动的限制范围。
驱动板4与开关装置的致动器联接，随开关装置致动器的合闸或分闸操作而上下运动，进而带动锁扣板502顺时针或逆时针旋转。
根据本发明的一最佳实施例，所述锁扣板502在第一限位板5011和第二限位板5012限位之间存在死点位置，所述拉伸弹簧503在该 死点位置时，达到最大拉伸储能。
所述锁扣板502包括凸起销5022，所述支撑板501包括弹簧吊钩5013；拉伸弹簧503一端固定在凸起销5022上，另一端固定在弹簧吊钩5013上。
当锁扣板502旋转到凸起销5022、弹簧吊钩5013和转轴5015成一条直线时，锁扣板502到达死点位置。
如图2所示，本发明的底盘车合闸闭锁装置，还包括翻板和螺杆机构3，其包括翻板301、螺杆302、止动销钉303；所述翻板301包括让位孔3011，其可与止动销钉303配合锁定或让位。
根据本发明的一最佳实施例，伸出片3012与翻板301为一体成形结构或固定联接的分离式结构。
图3是根据本发明的一最佳实施例，底盘车合闸闭锁装置的闭锁单元结构示意图；支撑板501上具有第一限位板5011、第二限位板5012用于限制锁扣板502的顺时针和逆时针的转动角度；弹簧吊钩5013用于固定拉伸弹簧503的一端；固定孔5014，数量上至少有一个，用于将支撑板501固定联接在底盘车的底板上；锁扣板502上的凸起销5022用于固定拉伸弹簧503的另一端；锁扣板502可绕着支撑板501上的转轴5015旋转。
所述锁扣板502包括U形槽5021，其适应于容纳驱动板凸起401，并被驱动板4驱动，在第一限位板5011和第二限位板5012限位之间绕转轴5015顺时针或逆时针旋转。
U形槽5021包括第一凸起50211和第二凸起50212；所述第一 凸起50211适应于当锁扣板502在第一限位板5011限位时，被驱动板4驱动绕转轴5015直到锁扣板502到达第二限位板5012限位位置；所述第二凸起50212适应于当锁扣板502在第二限位板5012限位时，被驱动板4驱动绕转轴5015直到锁扣板502到达第一限位板5011限位位置。
驱动板4包括驱动板凸起401，其适用于与锁扣板502的U形槽5021匹配，卡入U形槽5021内。当开关装置的致动器进行合闸或分闸操作时，驱动板4随着开关装置的致动器完成上下运动，进而带动锁扣板502完成顺时针或逆时针的转动。当锁扣板502到达第一限位板5011位置或第二限位板5012限位位置时，驱动板4同方向继续运动则驱动板凸起401从U形槽5021中脱出，反向运动则驱动锁扣板502。
下面描述发明的底盘车合闸闭锁装置的工作原理。
图4是本发明一最佳实施例，底盘车合闸闭锁装置锁定底盘车时的示意图。当开关装置的致动器合闸时，驱动板4随着致动器在图示的方向上移，触发U形槽5021，使得锁扣板502在图示的方向顺时针转动，由于伸出片3012与锁扣板502之间具有间隙S，锁扣板502可旋转至伸出片3012的下方，并由第一限位板5011控制转动角度，以及由拉伸弹簧503的拉伸作用下，稳定的保持在此位置，动作完成的终止阶段，驱动板4与合闸闭锁单元5之间无任何接触。
此时，如果摇动底盘车，螺杆302转动，翻板301会有沿图中箭头所示的逆时针方向转动的趋势，然而由于伸出片3012被锁扣板502所止动，翻板301无法逆时针转动，进而如图2所示，螺杆302上的止动销钉303卡在让位孔3011中，这样底盘车将无法摇动，同时由 于驱动板4与锁扣板502不接触，摇动底盘车的作用力将不会传递至与驱动板4联接的致动器上。
图5A-5B是根据本发明的一最佳实施例，其中图5A为正面视图，图5B为立体图。底盘车合闸闭锁装置释放底盘车时的示意图。当开关装置的致动器处于分闸状态时，驱动板4随着致动器在图示的方向下移一定的距离，触发U形槽5021，使得锁扣板502在图示的方向逆时针转动，并由第二限位板5012限位，其稳定状态由拉伸弹簧503保持。此时摇动螺杆302翻板301可沿逆时针转动一定的角度，伸出片3012和锁扣板502之间仍然有一定的间隙H，同时止动销钉303不会被翻板301限位，这样就可摇动底盘车。
本发明的带死点机构的底盘车合闸闭锁装置，相比现有设计，更具安全性，底盘车摇进摇出时的力不会作用在开关装置的致动器上；结构简单、模块化，节省装配时间；满足IEC有关标准需求。
尽管为说明目的公开了本发明的较佳实施例和附图，但是熟悉本领域技术的人员，在不脱离本发明及所附的权利要求的精神和范围内，可作各种替换、变化和润饰。因此，本发明不应局限于上述作为示例说明的较佳实施例和附图所公开的内容，本发明的保护范围以所附的权利要求书所界定的范围为准。

Claims (11)

  1. 一种底盘车合闸闭锁装置，其特征在于，包括合闸闭锁单元(5)；
    合闸闭锁单元(5)包括支撑板(501)、锁扣板(502)和拉伸弹簧(503)；
    拉伸弹簧(503)一端固定在锁扣板(502)上，另一端固定在支撑板(501)上；
    支撑板(501)包括第一限位板(5011)和第二限位板(5012)；
    锁扣板(502)可旋转的固定在转轴(5015)上；且在驱动板(4)的作用下，绕转轴(5015)顺时针或逆时针旋转；
    锁扣板(502)旋转到被第一限位板(5011)限制时，驱动板(4)脱离合闸闭锁单元(5)；锁扣板(502)旋转到被第二限位板(5012)限制时，驱动板(4)与合闸闭锁单元(5)接触，且驱动板(4)的复位会带动合闸闭锁单元(5)绕转轴(5015)离开第二限位板(5012)向第一限位板(5011)方向旋转。
  2. 如权利要求1所述的底盘车合闸闭锁装置，其特征在于：所述锁扣板(502)的高度和宽度适应于：当锁扣板(502)旋转到被第一限位板(5011)限制时，锁扣板(502)位于伸出片(3012)下方，且阻挡伸出片(3012)下移；当锁扣板(502)旋转到被第二限位板(5012)限制时，锁扣板(502)脱离伸出片(3012)上下移动的限制范围。
  3. 如权利要求1所述的底盘车合闸闭锁装置，其特征在于：所述驱动板(4)随开关装置致动器的合闸或分闸操作而上下运动，进而带动锁扣板(502)顺时针或逆时针旋转。
  4. 如权利要求1所述的底盘车合闸闭锁装置，其特征在于：所述 锁扣板(502)在第一限位板(5011)和第二限位板(5012)限位之间存在死点位置，所述拉伸弹簧(503)在该死点位置时，达到最大拉伸储能。
  5. 如权利要求1所述的底盘车合闸闭锁装置，其特征在于：所述锁扣板(502)包括U形槽(5021)，其适应于容纳驱动板凸起(401)，并被驱动板(4)驱动，在第一限位板(5011)和第二限位板(5012)限位之间绕转轴(5015)顺时针或逆时针旋转。
  6. 如权利要求5所述的底盘车合闸闭锁装置，其特征在于：所述U形槽(5021)包括第一凸起(50211)和第二凸起(50212)；所述第一凸起(50211)适应于当锁扣板(502)在第一限位板(5011)限位时，被驱动板(4)驱动绕转轴(5015)直到锁扣板(502)到达第二限位板(5012)限位位置；所述第二凸起(50212)适应于当锁扣板(502)在第二限位板(5012)限位时，被驱动板(4)驱动绕转轴(5015)直到锁扣板(502)到达第一限位板(5011)限位位置。
  7. 如权利要求5所述的底盘车合闸闭锁装置，其特征在于：所述驱动板(4)包括驱动板凸起(401)，其适用于与锁扣板(502)的U形槽(5021)匹配，当锁扣板(502)到达第一限位板(5011)位置或第二限位板(5012)限位位置时，驱动板(4)同方向继续运动则驱动板凸起(401)从U形槽(5021)中脱出，反向运动则驱动锁扣板(502)。
  8. 如权利要求4所述的底盘车合闸闭锁装置，其特征在于：所述锁扣板(502)包括凸起销(5022)，所述支撑板(501)包括弹簧吊钩(5013)；拉伸弹簧(503)一端固定在凸起销(5022)上，另一端固定在弹簧吊钩(5013)上。
  9. 如权利要求8所述的底盘车合闸闭锁装置，其特征在于：当锁扣板(502)旋转到凸起销(5022)、弹簧吊钩(5013)和转轴(5015)成一条直线时，锁扣板(502)到达死点位置。
  10. 如权利要求1所述的底盘车合闸闭锁装置，其特征在于：还包括翻板和螺杆机构(3)，其包括翻板(301)、螺杆(302)、止动销钉(303)；所述翻板(301)包括让位孔(3011)，其可与止动销钉(303)配合锁定或让位。
  11. 如权利要求2所述的底盘车合闸闭锁装置，其特征在于：伸出片(3012)与翻板(301)为一体成形结构或固定联接的分离式结构。
PCT/CN2017/092461 2017-07-11 2017-07-11 底盘车合闸闭锁装置 Ceased WO2019010625A1 (zh)

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