CN102935968A - Roof-impacting preventing construction lift - Google Patents

Roof-impacting preventing construction lift Download PDF

Info

Publication number
CN102935968A
CN102935968A CN2012104781379A CN201210478137A CN102935968A CN 102935968 A CN102935968 A CN 102935968A CN 2012104781379 A CN2012104781379 A CN 2012104781379A CN 201210478137 A CN201210478137 A CN 201210478137A CN 102935968 A CN102935968 A CN 102935968A
Authority
CN
China
Prior art keywords
cage
actuating
impacting
roof
preventing colliding
Prior art date
Application number
CN2012104781379A
Other languages
Chinese (zh)
Other versions
CN102935968B (en
Inventor
陈浩然
刘林峰
贾玉峰
吴传戈
刘苗
张铁锤
李涛
赵晶
Original Assignee
郑州市长城机器制造有限公司
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
Application filed by 郑州市长城机器制造有限公司 filed Critical 郑州市长城机器制造有限公司
Priority to CN201210478137.9A priority Critical patent/CN102935968B/en
Publication of CN102935968A publication Critical patent/CN102935968A/en
Application granted granted Critical
Publication of CN102935968B publication Critical patent/CN102935968B/en

Links

Abstract

The invention relates to the field of construction lifts and particularly relates to a roof-impacting preventing construction lift. The roof-impacting preventing construction lift comprises a tower frame and a lifting cage assembled on the tower frame through a guide roller, wherein the top of the lifting cage is provided with a driving device; the driving device is meshed with a rack arranged on the tower frame through a gear; the upper end of the tower frame is provided with a roof-impacting preventing section extending upwards from the upper end of the rack; when the gear of the driving device breaks away from the rack from the upper end of the rack, the distance between the top of the lifting cage and the upper end of the roof-impacting preventing section is not smaller than the roof-impacting height of the lifting cage; and the gear runs upwards along with the lifting cage and breaks away from the rack in the working process of the construction lift if the lifting cage is not stopped in the set position, and at the moment, the force for driving the lifting cage to lift disappears to ensure that the lifting cage keeps within the roof-impacting height, so that the roof-impacting accident of the lifting cage is avoided. By using the roof-impacting preventing construction lift provided by the invention, the roof-impacting problem of the lifting cage of the traditional construction lift is solved.

Description

A kind of preventing colliding with top building hoist

Technical field

The present invention relates to the building hoist field, especially a kind of preventing colliding with top building hoist.

Background technology

The building hoist construction elevator that usually is otherwise known as.The kind of building hoist is a lot, counterweightless is arranged and two kinds of counterweights are arranged by its operation scheme, is divided into manual control formula and automatic control type by its mode.It can also add converter plant and PLC control module on demand, can also add floor call device and leveling device in addition.The building hoist major part of using in the market is as the counterweightless formula, drive system places the cage top, can reduce noise in the cage on the one hand, makes headroom increase in the cage, also so that transmission is more steady, mechanism vibrations is less, installation process has also been simplified in the counterweightless design simultaneously; Intelligent for the ease of the control of construction elevator and its, construction elevator can also be installed frequency converter, and not only energy-conservation but also can infinite speed variation, operation be got up more steady, takes also more comfortable; It is more convenient that the construction elevator of installation leveling device is controlled, and rests in more accurately the floor that needs stop; The floor call device is installed can so that the information flow when using is more convenient, make management more convenient.

At secure context; present construction elevator is guaranteed; at first guarantee for electrical safety; construction elevator is equipped with the travel switches such as sliding door travel switch, clamshell doors travel switch, roof door travel switch, upper limit travel switch, lower limit travel switch; as long as there is any one travel switch to be in guard mode, electrical motor will be in braking state.Yet the cage of the overwhelming majority in the present building hoist is assemblied on the pylon by guide roller, during work, cage moves up and down by the rolling of guide roller on pylon, wherein the propulsive effort that moves up and down of cage comes from actuating device, as above-described, actuating device is located at the cage top of cage, generally speaking, actuating device is provided with gear, and pylon is provided with the tooth bar of answering with described gear mesh, in the present building hoist, tooth bar all is the tops that always extend to from bottom to top pylon, the lifting of the intermeshing drive cage between the wheel and rack, according to relevant criterion, cage has certain height of rushing to summit, this is rushed to summit highly is that upper limit travel switch by above-mentioned limits, yet in actual production process, because the uncertainty of electrical control, such as factors such as electrical damage, the phenomenon that cage is rushed to summit still exists, this kind situation causes the loss that can't retrieve in case generation will directly threaten staff's life security; In addition, in the present building hoist, owing to need to prevent that cage is overweight, cage all hangs on the actuating device by the sensor bearing pin, and the sensor bearing pin is hollow structure, so intensity is limited, owing to be subject to for a long time the shearing of cage, therefore the off-axis phenomenon appears in unavoidable meeting, and then draws the potential safety hazard that causes cage to fall, and this obviously also greatly reduces the safety factor of building hoist.

In sum, still there is the potential safety hazard that cage is rushed to summit and cage falls in present building hoist.

Summary of the invention

The object of the present invention is to provide a kind of preventing colliding with top building hoist, the problem of rushing to summit with the cage that solves existing building hoist.

In order to address the above problem, preventing colliding with top building hoist of the present invention is by the following technical solutions: the preventing colliding with top building hoist, comprise pylon and be assemblied in cage on the pylon by guide roller, the cage top of cage has actuating device, the tooth bar engagement of actuating device by arranging on gear and the pylon, the upper end of pylon has the preventing colliding with top section, the preventing colliding with top section extends upward from the upper end of tooth bar, when the gear of actuating device broke away from tooth bar from the tooth bar upper end, the distance of cage top and preventing colliding with top section upper end was not less than the height of rushing to summit of cage.

Also be provided with the preventing colliding with top travel switch between cage and the pylon, when this preventing colliding with top travel switch was in guard mode, gear still meshed with tooth bar.

Described cage hangs on the actuating device by the sensor bearing pin, also is provided with horizontal safety plug between actuating device and the cage, and this safety plug was not subjected to the shearing of actuating device and cage before the sensor bearing pin damages.

Have the gap on the outer peripheral face of described safety plug and the cage or between the hole wall of the respective pin hole that arranges on the actuating device, this gap is not so that safety plug was subjected to the shearing of actuating device and cage before the sensor bearing pin damages.

Because the pylon of preventing colliding with top building hoist of the present invention upper end has the preventing colliding with top section, the preventing colliding with top section extends upward from the upper end of tooth bar, when the gear of actuating device breaks away from tooth bar from the tooth bar upper end, the distance of cage top and preventing colliding with top section upper end is not less than the height of rushing to summit of cage, therefore, in the process of building hoist work, if because the fault of staff's maloperation or related electric parts causes cage not when the parking of the position of setting, gear is upwards walked with cage and is broken away from tooth bar, drive the power disappearance that cage rises this moment, so that cage remains in the height of rushing to summit always, thereby avoid the rush to summit generation of accident of cage, because rack-and-gear is pure physical construction, therefore can guarantee absolute reliability, this shows the problem that the cage that preventing colliding with top building hoist of the present invention has solved existing building hoist is rushed to summit.

Further, described preventing colliding with top travel switch can be used as one barrier before the preventing colliding with top section, avoids in most cases the disengaging of wheel and rack, guarantees normal, the continuous working of building hoist; Described safety plug can replace sensor axis to guarantee articulating of cage and actuating device when the sensor pin axle fracture automatically, thereby prevents that the accident that cage falls from occuring; The gap, as the term suggests refer to very little interval, adopting safety plug to come the assurance pin not to be subjected to the shearing of actuating device and cage then can make safety plug take over corresponding sensor bearing pin in the moment of sensor pin axle fracture before the damage of sensor bearing pin with the gap between the corresponding pin-and-hole works, reduce behind the sensor pin axle fracture cage safety performance of cage is further optimized in the impact of safety plug.

Description of drawings

Fig. 1 is the structural representation of the embodiment 1 of preventing colliding with top building hoist of the present invention;

Fig. 2 is the structural representation of the cage among Fig. 1;

Fig. 3 is the connection structure scheme drawing of actuating device and cage.

The specific embodiment

The embodiment 1 of preventing colliding with top building hoist of the present invention; as Figure 1-3; comprise pylon 11; be equipped with cage 12 on the pylon 11; the top of cage 12 has actuating device 13; actuating device 13 is by gear (not shown) outputting power; fixedly be equipped with tooth bar 14 on the pylon 11; cage 12 can be movable on above-below direction along pylon 11 by the engagement of said gear and this tooth bar 14; in addition; also be equipped with the guide roller (not shown) on the cage 12 and by cooperating in vertical guiding between guide roller and the pylon 11; anticreep cooperates in the horizontal direction; also be provided with the preventing colliding with top travel switch between cage 12 and the pylon 11; above structure is prior art; it will not go into details herein; unlike the prior art be; the upper end of pylon 11 has preventing colliding with top section 111; preventing colliding with top section 111 extends upward from the upper end of tooth bar 14; when the gear of actuating device 13 breaks away from from tooth bar 14 upper ends and tooth bar 14; the distance of cage 12 tops and preventing colliding with top section 111 upper ends is not less than the height of rushing to summit of cage 12; it is pointed out that when described preventing colliding with top travel switch is in guard mode gear still meshes with tooth bar 14.Cage 12 hangs on the actuating device 13 by sensor bearing pin 15, also be provided with horizontal safety plug 16 between actuating device 13 and the cage 12, this safety plug 16 was not subjected to the shearing of actuating device 13 and cage 12 before sensor bearing pin 15 damages, specifically, has the gap between the hole wall of the respective pin hole that arranges on the outer peripheral face of safety plug 16 and the actuating device 13, this gap is not so that safety plug 16 was subjected to the shearing of actuating device 13 and cage 12 before sensor bearing pin 15 damages, certainly, in other embodiments, between the hole wall of the respective pin hole that can also arrange by outer peripheral face and the cage at safety plug the gap is set, so that safety plug was not subjected to the shearing of actuating device and cage before the sensor bearing pin damages.

Claims (4)

1. preventing colliding with top building hoist, comprise pylon and be assemblied in cage on the pylon by guide roller, the cage top of cage has actuating device, the tooth bar engagement of actuating device by arranging on gear and the pylon, it is characterized in that the upper end of pylon has the preventing colliding with top section, the preventing colliding with top section extends upward from the upper end of tooth bar, when the gear of actuating device broke away from tooth bar from the tooth bar upper end, the distance of cage top and preventing colliding with top section upper end was not less than the height of rushing to summit of cage.
2. preventing colliding with top building hoist according to claim 1 is characterized in that, also is provided with the preventing colliding with top travel switch between cage and the pylon, and when this preventing colliding with top travel switch was in guard mode, gear still meshed with tooth bar.
3. preventing colliding with top building hoist according to claim 1 and 2, it is characterized in that, described cage hangs on the actuating device by the sensor bearing pin, also be provided with horizontal safety plug between actuating device and the cage, this safety plug was not subjected to the shearing of actuating device and cage before the sensor bearing pin damages.
4. preventing colliding with top building hoist according to claim 3, it is characterized in that, have the gap on the outer peripheral face of described safety plug and the cage or between the hole wall of the respective pin hole that arranges on the actuating device, this gap is not so that safety plug was subjected to the shearing of actuating device and cage before the sensor bearing pin damages.
CN201210478137.9A 2012-11-22 2012-11-22 Roof-impacting preventing construction lift CN102935968B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210478137.9A CN102935968B (en) 2012-11-22 2012-11-22 Roof-impacting preventing construction lift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210478137.9A CN102935968B (en) 2012-11-22 2012-11-22 Roof-impacting preventing construction lift

Publications (2)

Publication Number Publication Date
CN102935968A true CN102935968A (en) 2013-02-20
CN102935968B CN102935968B (en) 2015-06-17

Family

ID=47694904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210478137.9A CN102935968B (en) 2012-11-22 2012-11-22 Roof-impacting preventing construction lift

Country Status (1)

Country Link
CN (1) CN102935968B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106429743A (en) * 2016-08-24 2017-02-22 无锡科通工程机械制造有限公司 Lifting mechanism
CN107601217A (en) * 2017-11-07 2018-01-19 重庆工业职业技术学院 Lowering or hoisting gear and its application method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034280A (en) * 1978-11-10 1980-06-04 Rhodes & Partners Ltd H Elevator Catch Gear
JPS619881Y2 (en) * 1979-12-11 1986-03-29
CN201080399Y (en) * 2007-05-30 2008-07-02 广州市京龙工程机械有限公司 Inverse type mounting construction hoist
CN201873404U (en) * 2010-09-21 2011-06-22 江苏申锡建筑机械有限公司 Safety device for construction elevator
CN202321859U (en) * 2011-10-21 2012-07-11 中联重科股份有限公司 Anti-over-hoisting device of elevator and elevator
CN202988468U (en) * 2012-11-22 2013-06-12 郑州市长城机器制造有限公司 Roof-impacting prevention construction lift

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034280A (en) * 1978-11-10 1980-06-04 Rhodes & Partners Ltd H Elevator Catch Gear
JPS619881Y2 (en) * 1979-12-11 1986-03-29
CN201080399Y (en) * 2007-05-30 2008-07-02 广州市京龙工程机械有限公司 Inverse type mounting construction hoist
CN201873404U (en) * 2010-09-21 2011-06-22 江苏申锡建筑机械有限公司 Safety device for construction elevator
CN202321859U (en) * 2011-10-21 2012-07-11 中联重科股份有限公司 Anti-over-hoisting device of elevator and elevator
CN202988468U (en) * 2012-11-22 2013-06-12 郑州市长城机器制造有限公司 Roof-impacting prevention construction lift

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田学坤等: "重卡涂装线专用SCD型双导柱升降机", 《建筑机械化》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106429743A (en) * 2016-08-24 2017-02-22 无锡科通工程机械制造有限公司 Lifting mechanism
CN107601217A (en) * 2017-11-07 2018-01-19 重庆工业职业技术学院 Lowering or hoisting gear and its application method

Also Published As

Publication number Publication date
CN102935968B (en) 2015-06-17

Similar Documents

Publication Publication Date Title
JP5841950B2 (en) Lift gate opening and closing device
CN1990371B (en) Elevator installation method and up-down system used therein
ES2731697T3 (en) Train platform safety device
CN205558622U (en) A overhead door mechanism for box -type substation
KR890002276B1 (en) Elevator system
CN202346537U (en) Car, anti-falling device for car and elevator equipment using car
CN201343336Y (en) Tower cylinder lifter
JP5542949B2 (en) elevator
JP2006199404A (en) Terminal safety device for elevator
CN102219142A (en) Novel relay type corridor elevator
CN104555660A (en) Arrangement structure for elevator without machine room
CN102476769B (en) Emergency escape device for elevator
CN102070059A (en) Hydraulic speed limiting elevator
CN101301976A (en) Integrated security device of elevator
CN201202368Y (en) Elevating type automatic door
CN101329826B (en) Up-down billboard and control method thereof
JP2011178496A (en) Control device for elevator
US9926171B2 (en) Embedded safety elevator
CN202913758U (en) Platform lifting type single tube communicating tower
JP2016523214A5 (en)
CN106315368B (en) A kind of screw vertical lift
CN101693495A (en) Construction hoist
CN101792084B (en) Energy-saving environment-friendly double-power lift
CN201501713U (en) Sightseeing elevator
CN205061234U (en) Two -way overspeed governor with unexpected function that removes of monitoring elevator car

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150617

Termination date: 20161122