CN206705598U - A kind of jack-up unit rack-and-pinion lift - Google Patents

A kind of jack-up unit rack-and-pinion lift Download PDF

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Publication number
CN206705598U
CN206705598U CN201720393850.1U CN201720393850U CN206705598U CN 206705598 U CN206705598 U CN 206705598U CN 201720393850 U CN201720393850 U CN 201720393850U CN 206705598 U CN206705598 U CN 206705598U
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CN
China
Prior art keywords
lifting
crane
rack
jack
motor
Prior art date
Application number
CN201720393850.1U
Other languages
Chinese (zh)
Inventor
叶志敏
徐素娟
Original Assignee
三门县职业中等专业学校
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 三门县职业中等专业学校 filed Critical 三门县职业中等专业学校
Priority to CN201720393850.1U priority Critical patent/CN206705598U/en
Application granted granted Critical
Publication of CN206705598U publication Critical patent/CN206705598U/en

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Abstract

The utility model discloses a kind of jack-up unit rack-and-pinion lift,Including crane and lifting platform,Support feet is fixedly welded with the downside of the lifting platform,The lifting platform has been fixedly arranged at the upper side paralell,The paralell is internally provided with dividing plate,The dividing plate side is provided with motor and stores room,The motor, which stores indoor location, lifting motor,Lifting motor side output end is provided with lift shaft,Described lift shaft one end is installed with gear,Rack is fixedly installed vertically on the crane,The wheel and rack is meshed setting,Crane lower end side is installed with take-up roller,Hitch frame is provided with the upside of the paralell,This jack-up unit rack-and-pinion lift,By provided with haulage cable,In lifting of lifting table,Upward tractive force can be provided,Reduce driving force between gear and rack,So that lifting is more steady,And it can prevent lifting platform from declining suddenly,Improve the security used.

Description

A kind of jack-up unit rack-and-pinion lift

Technical field

Jacking equipment technical field is the utility model is related to, specially a kind of jack-up unit rack-and-pinion lift.

Background technology

With flourishing for economy, lift is applied by more industries.Building hoist is a kind of building Build the jacking equipment that job site is used for vertical transport workmen and construction material.Especially in the job site of skyscraper, Construction lifting is as a kind of main personnel and building material means of transport, it safe for operation particularly important.Especially gear The features such as rack type lifting machine relies on its simple in construction and power larger, more it is employed for the bad environments field such as job site Institute.Anti-falling safety device is device mostly important in gear-rack type lifter, if accident once occurs for lift, is often made Into personal injury major break down.National departments concerned has done strict regulations in terms of the safe operation of lift, whether equipment sheet In terms of the safety protection function of body, or there is more strict regulation in the use of user.Lift is in the course of work In, it need to only be moved in vertical direction one degree of freedom, will if the free degree in other directions does not limit, constraint Trigger industrial accident.So just it must have reliably for the building hoist of a safety.And existing rack-and-pinion liter Drop machine realizes the lifting of platform simply by the transmission between rack-and-pinion, and other directions do not provide tractive force, easily caused Abrasion between rack-and-pinion is very fast, and safety coefficient is relatively low.

Utility model content

The purpose of this utility model is to provide a kind of jack-up unit rack-and-pinion lift, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides following technical scheme:A kind of jack-up unit rack-and-pinion lifting Machine, including crane and lifting platform, the lifting platform downside are fixedly welded with support feet, and the lifting platform has been fixedly arranged at the upper side Paralell, the paralell are internally provided with dividing plate, and the dividing plate side is provided with motor and stores room, and the motor stores interior Lifting motor is installed, lifting motor side output end is provided with lift shaft, and described lift shaft one end is fixedly mounted There is gear, be fixedly installed rack on the crane vertically, the wheel and rack is meshed setting, the crane lower end Side is installed with take-up roller, and hitch frame is provided with the upside of the paralell, traction is fixedly connected with the upside of the hitch frame Steel wire rope, the haulage cable are fixedly connected around crane upper end with take-up roller, and the dividing plate side is provided with lifting and opened Close, the direction switch is electrically connected with lifting motor.

Preferably, the support feet and paralell side are provided with transverse axis, and the transverse axis side is provided with pressing device, institute State and be fixedly installed compressor arm on the inside of crane, the pressing device is slidably connected by being provided with contact roller with compressor arm.

Preferably, the gear is provided with four, and the lifting motor is provided with four and synchronous setting.

Preferably, the crane bottom inside is installed with traction electric machine, and the take-up roller and traction electric machine are all provided with Traction flywheel is equipped with, the traction flywheel is connected by belt.

Preferably, runner is installed at the top of the crane, the haulage cable is connected around runner with take-up roller, institute State crane cross-fixing and be welded with stabilizing bracket.

Compared with prior art, the beneficial effects of the utility model are:This jack-up unit rack-and-pinion lift, passes through Transverse axis side is provided with pressing device, and pressing device is slidably connected with compressor arm by being provided with contact roller, is easy to lifting platform Consolidated between crane, further increase security during lifting of lifting table, fixed by crane bottom inside Traction electric machine is installed, power output, and traction electric machine and lifting motor can be provided for take-up roller take-up haulage cable Lifting is synchronous, improves the stability to be worked during lifting of lifting table, gear is provided with four, improves wheel and rack biography Stability when dynamic, the frictional force between reduction, improve the service life of wheel and rack, by provided with direction switch, just Lifting with automatically controlling lifting platform.

Brief description of the drawings

Fig. 1 is the utility model overall structure diagram;

Fig. 2 is the utility model overall structure side view;

Fig. 3 is the new pressing device internal structure schematic diagram of this practicality.

In figure:1- cranes;2- lifting platforms;3- support feets;4- paralells;5- dividing plates;6- hitch frames;7- traction steel wires Rope;8- lifting motors;9- motors store room;10- pressing devices;11- transverse axis;12- take-up rollers;13- traction electric machines;14- belts; 15- draws flywheel;16- lift shafts;17- gears;18- racks;19- stabilizing brackets;20- compressor arms;21- runners;22- is compressed Wheel;23- direction switches.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme:A kind of jack-up unit rack-and-pinion lift, Including crane 1 and lifting platform 2, the downside of lifting platform 2 is fixedly welded with support feet 3, and the lifting platform 2 is fixedly arranged at the upper side There is paralell 4, the paralell 4 is internally provided with dividing plate 5, and the side of dividing plate 5 is provided with motor and stores room 9, the motor Store and lifting motor 8 is installed in room 9, the side output end of lifting motor 8 is provided with lift shaft 16, the lift shaft 16 one end are installed with gear 17, are fixedly installed rack 18, the gear 17 and the phase of rack 18 on the crane 1 vertically Engagement is set, and the lower end side of crane 1 is installed with take-up roller 12, and the upside of paralell 4 is provided with hitch frame 6, The upside of hitch frame 6 is fixedly connected with haulage cable 7, and the haulage cable 7 is around the upper end of crane 1 and take-up roller 12 It is fixedly connected, the side of dividing plate 5 is provided with direction switch 23, and the direction switch 23 is electrically connected with lifting motor 8.

The support feet 3 and the side of paralell 4 are provided with transverse axis 11, and the side of transverse axis 11 is provided with pressing device 10, The inner side of crane 1 is fixedly installed compressor arm 20, and the pressing device 10 is by being provided with contact roller 22 and compressor arm 20 It is slidably connected, is easy to, to consolidating between lifting platform 2 and crane 1, further increase safety when lifting platform 2 lifts Property, the gear 17 is provided with four, improves stability when gear 17 is driven with rack 18, the frictional force between reduction, carries High service life of the gear 17 with rack 18, the lifting motor 8 be provided with four and it is synchronous set, the bottom of crane 1 Traction electric machine 13 is installed with the inside of portion, can be that the take-up haulage cable 7 of take-up roller 12 provides power output, the take-up Roller 12 and traction electric machine 13 are provided with traction flywheel 15, and the traction flywheel 15 is connected by belt 14, and the crane 1 pushes up Portion is provided with runner 21, and the haulage cable 7 is connected around runner 21 with take-up roller 12, the cross-fixing of crane 1 weldering Stabilizing bracket 19 is connected to, improves the stability of the work of crane 1.

Operation principle:Pressing device 10 is provided with by the side of transverse axis 11, is easy to entering between lifting platform 2 and crane 1 Row is firm, further increases security when lifting platform 2 lifts, and traction electricity is installed with by the bottom inside of crane 1 Machine 13, can be that the take-up haulage cable 7 of take-up roller 12 provides power output, and traction electric machine 13 lifts with lifting motor 8 It is synchronous, the stability to be worked when lifting platform 2 lifts is improved, gear 17 is provided with four, improves gear 17 and rack Stability during 18 transmission, the frictional force between reduction, improve the service life of gear 17 and rack 18, by provided with lifting Switch 23, just with automatically controlling the lifting of lifting platform 2, by provided with haulage cable 7, when lifting platform 1 lifts, Neng Gouti The tractive force fed to, reduce driving force between gear 17 and rack 18 so that lifting is more steady, and can prevent from rising Drop platform declines suddenly, improves the security used.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of jack-up unit rack-and-pinion lift, including crane(1)And lifting platform(2), it is characterised in that:The liter Platform drops(2)Downside is fixedly welded with support feet(3), the lifting platform(2)It has been fixedly arranged at the upper side paralell(4), the platform Frame(4)It is internally provided with dividing plate(5), the dividing plate(5)Side is provided with motor and stores room(9), the motor stores room(9)It is interior Lifting motor is installed(8), the lifting motor(8)Side output end is provided with lift shaft(16), the lift shaft (16)One end is installed with gear(17), the crane(1)On be fixedly installed rack vertically(18), the gear(17) With rack(18)Be meshed setting, the crane(1)Lower end side is installed with take-up roller(12), the paralell(4) Upside is provided with hitch frame(6), the hitch frame(6)Upside is fixedly connected with haulage cable(7), the haulage cable (7)Around crane(1)Upper end and take-up roller(12)It is fixedly connected, the dividing plate(5)Side is provided with direction switch(23), institute State direction switch(23)With lifting motor(8)It is electrically connected with.
A kind of 2. jack-up unit rack-and-pinion lift according to claim 1, it is characterised in that:The support feet (3)And paralell(4)Side is provided with transverse axis(11), the transverse axis(11)Side is provided with pressing device(10), the lifting Frame(1)Inner side is fixedly installed compressor arm(20), the pressing device(10)By being provided with contact roller(22)With compressor arm (20)It is slidably connected.
A kind of 3. jack-up unit rack-and-pinion lift according to claim 1, it is characterised in that:The gear(17) Four are provided with, the lifting motor(8)It is provided with four and synchronous setting.
A kind of 4. jack-up unit rack-and-pinion lift according to claim 1, it is characterised in that:The crane (1)Bottom inside is installed with traction electric machine(13), the take-up roller(12)And traction electric machine(13)Traction is provided with to fly Wheel(15), the traction flywheel(15)Pass through belt(14)Connection.
A kind of 5. jack-up unit rack-and-pinion lift according to claim 1, it is characterised in that:The crane (1)Top is provided with runner(21), the haulage cable(7)Around runner(21)With take-up roller(12)Connection, the lifting Frame(1)Cross-fixing is welded with stabilizing bracket(19).
CN201720393850.1U 2017-04-15 2017-04-15 A kind of jack-up unit rack-and-pinion lift CN206705598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720393850.1U CN206705598U (en) 2017-04-15 2017-04-15 A kind of jack-up unit rack-and-pinion lift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720393850.1U CN206705598U (en) 2017-04-15 2017-04-15 A kind of jack-up unit rack-and-pinion lift

Publications (1)

Publication Number Publication Date
CN206705598U true CN206705598U (en) 2017-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720393850.1U CN206705598U (en) 2017-04-15 2017-04-15 A kind of jack-up unit rack-and-pinion lift

Country Status (1)

Country Link
CN (1) CN206705598U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108298458A (en) * 2018-01-25 2018-07-20 何杨波 A kind of high-altitude hanging object device
CN108483358A (en) * 2018-06-27 2018-09-04 徐进 A kind of adjustable type elevator lifting gear
CN108821154A (en) * 2018-06-27 2018-11-16 徐进 A kind of elevator lifting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108298458A (en) * 2018-01-25 2018-07-20 何杨波 A kind of high-altitude hanging object device
CN108298458B (en) * 2018-01-25 2019-04-30 湖北鑫盛宏峰建设有限公司 A kind of high-altitude hanging object device
CN108483358A (en) * 2018-06-27 2018-09-04 徐进 A kind of adjustable type elevator lifting gear
CN108821154A (en) * 2018-06-27 2018-11-16 徐进 A kind of elevator lifting device

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171205

Termination date: 20180415

CF01 Termination of patent right due to non-payment of annual fee