A kind of passenger elevator without machine roomTechnical field
This utility model is related to elevator technology field, specifically a kind of passenger elevator without machine room.
Background technology
Elevator is a kind of vertical conveyor with motor as power, equipped with box like gondola, for tier building take advantage of people orThe means of transport of carrying goods.Passenger elevator without machine room requires riding quality, requires higher, in vibration and noise in terms of load-carryingLower than Cargo Lift requires, therefore, the stationarity during operation of passenger elevator without machine room and the size of noise are often as several importantTechnical characteristic controlling, certainly, no matter being passenger elevator without machine room or Cargo Lift, security performance and crashworthiness are all primary,Then it is badly in need of a i.e. safe and stable passenger elevator without machine room.
Utility model content
This utility model for providing that a kind of structure is simpler, operate steadily, the machine room that safe and reliable, crashworthiness is goodElevator.
This utility model is achieved through the following technical solutions：
A kind of passenger elevator without machine room, including hoistway, car, drag device, counterweight, speed-limiting device, damping portal frame andApparatus for examination and repair, described car passes through car guide rail in hoistway, and moves up and down along hoistway, described drag device, to refittingPut, speed-limiting device and apparatus for examination and repair all on car guide rail, described damping portal frame is located at the top of car；Described car andCounterweight is connected with drag device by suspension strop, and described car and counterweight are respectively arranged on the two ends of suspension strop；InstituteState counterweight to include to pouring weight, counterweight frame, counter weight guide track and to roller, counter weight guide track is arranged in parallel with car guide rail,Described to roller located at counterweight frame top, described to pouring weight located at counterweight frame bottom, described counterweight frame is transported up and down along counter weight guide trackDynamic；Described drag device includes traction machine and base of traction machine, and described base of traction machine is fixed on counterweight by base support leadsOn rail；Described car includes cage, car frame and car floor wheel, and described car frame surrounds cuboid, the upper top of described cageFace is provided with opening, leading flank be provided with for opening and closing elevator door, described car floor wheel located at the lower section of cage, described cageIt is provided with sill, the lateral surface of two sides in left and right of described cage is provided with car pull bar below leading flank.
Described sill is provided with toeguard.
The bottom surface of described hoistway is provided with buffer unit, and described buffer unit includes two buffers, a buffer positionImmediately below counterweight, another buffer is located at immediately below car floor wheel.
Described speed-limiting device includes limiter of speed and speed limiter wire rope, is all provided with the top and bottom of same car guide railThere is a limiter of speed, and a tensioning wheel is respectively installed up and down, by speed limiter wire rope, two tensioning wheels are connected,Speed limiter wire rope is provided with a safety tongs shift mechanism, moves up and down along speed limiter wire rope.
Described counter weight guide track is connected to a fixed with car guide rail by counterweight rail bracket.
Described to being provided with outside roller to roller guard shield；Counterweight backplate, described counterweight backplate position are provided with counter weight guide trackMedial surface in described counterweight frame.
Described car guide rail is fixed in hoistway by car guide rail support.
It is provided with cushion between described traction machine and base of traction machine.
It is provided with flat bed sensing above described car, at each layer of described car guide rail all opposite position, be provided with a flat bedSupport.
On described car guide rail, each layer is equipped with speed reducing switch and limit switch.
The beneficial effect that this utility model is brought is：
In this utility model, described passenger elevator without machine room include hoistway, car, drag device, counterweight, speed-limiting device,Damping portal frame and apparatus for examination and repair, the space that described hoistway moves up and down as elevator, described car be transport passenger andThe elevator assemblies of goods, are the working portions of elevator, and the major function of drag device is output and transmission power, so that elevator is transportedOK, the major function of described counterweight is relative equilibrium car weight, can make the weight between car and counterweight in elevator workAmount difference is maintained within limit it is ensured that the traction-driven of elevator is normal, and described speed-limiting device ensures that elevator safety uses, and described subtractsShake portal frame can effectively reduce vibrations during moving up and down for the car and noise, and the bottom surface of described hoistway is provided with bufferingDevice, described buffer unit can work as counterweight or car play buffering effect when falling, reduces the dynamics clashed into.
Brief description
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Fig. 1 is the structural representation of passenger elevator without machine room described in the utility model.
The corresponding label of in figure component names is as follows：
1st, hoistway；2nd, car；3rd, damping portal frame；4th, car guide rail；5th, to pouring weight；6th, counterweight frame；7th, counter weight guide track；8、To roller；9th, traction machine；10th, base of traction machine；11st, base support；12nd, buffer；13rd, limiter of speed；14th, limiter of speed steel wireRope；15th, tensioning wheel；16th, safety tongs shift mechanism；17th, counterweight rail bracket；18th, to roller guard shield；19th, counterweight backplate；20、Car guide rail support；21st, cushion；22nd, flat bed sensing；23rd, flat bed support；24th, speed reducing switch；25th, limit switch；26th, examineRepair jam plate；27th, car maintenance lock；28th, cage；29th, car frame；30th, car floor wheel；31st, opening；32nd, sill；33rd, car drawsBar；34th, toeguard.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to this utility model：
As the embodiment of passenger elevator without machine room described in the utility model, as shown in figure 1, including hoistway 1, car 2, traction dressPut, counterweight, speed-limiting device, damping portal frame 3 and apparatus for examination and repair, described car passes through car guide rail 4 in hoistway 1,And move up and down along hoistway 1, described drag device, counterweight, speed-limiting device and apparatus for examination and repair all on car guide rail 4,Described damping portal frame 3 is located at the top of car 2；Described car 2 and counterweight pass through suspension strop（In figure is not shown）With dragLeading-in device is connected, and described car 2 and counterweight are respectively arranged on the two ends of suspension strop；Described counterweight include to pouring weight 5,Counterweight frame 6, counter weight guide track 7 and to roller 8, counter weight guide track 7 is arranged in parallel with car guide rail 4, described to roller 8 located at rightWeight frame 6 top, described to pouring weight 5 located at counterweight frame 6 bottom, described counterweight frame 6 moves up and down along counter weight guide track 7；Described tractionDevice includes traction machine 9 and base of traction machine 10, and described base of traction machine 10 is fixed on counter weight guide track 7 by base support 11On；Described car 2 includes cage 28, car frame 29 and car floor wheel 30, and described car frame 29 surrounds cuboid, described cage28 upper top surface is provided with opening 31, and leading flank is provided with the elevator door for opening and closing（In figure is not shown）, described car floor wheel 30 located atThe lower section of cage 28, is provided with sill 32, left and right two side of described cage 28 below the leading flank of described cage 28Lateral surface be provided with car pull bar 33.The space that described hoistway 1 moves up and down as elevator, described car 2 is to transport to take advantage ofVisitor and the elevator assemblies of goods, are the working portions of elevator, and the major function of drag device is output and transmission power, makes elevatorRun, the major function of described counterweight is relative equilibrium car weight, can make between car and counterweight in elevator workWeight difference is maintained at it is ensured that the traction-driven of elevator is normal within limit, and described speed-limiting device ensures that elevator safety uses, describedDamping portal frame can effectively reduce vibrations during moving up and down for the car 2 and noise；The Main Function of described sill 32Be the normal operation for elevator door, above elevator door, have track, have below elevator door door draw block it be elevator door supportPoint, if not having sill below, elevator door does not just have impetus, will rock in front and back.
In the present embodiment, described sill 32 is provided with toeguard 34.Described toeguard 34 can prevent cage 28 flat bedAfter advance door opening or flat bed before end, sill 32 exceeds and injures toe during landing sill because of shearing.
In the present embodiment, the bottom surface of described hoistway 1 is provided with buffer unit, and described buffer unit includes two buffers12, a buffer 12 is located at immediately below counterweight, and another buffer 12 is located at below car 2.Described buffer unit canTo play the effect of buffering when counterweight or car fall, reduce the dynamics clashed into.
In the present embodiment, described speed-limiting device includes limiter of speed 13 and speed limiter wire rope 14, in same car guide rail 4Top and bottom be equipped with a limiter of speed 13, and a tensioning wheel 15 is respectively installed up and down, by speed limiter wire ropeTwo tensioning wheels 15 are connected by 14, are provided with a safety tongs shift mechanism 16, along limiter of speed on speed limiter wire rope 14Steel wire rope 14 moves up and down.Described speed-limiting device can control the speed that elevator runs up and down, when firm startup optimization or needsDuring deceleration arrival floor, speed-limiting device plays the effect accelerating or slowing down.
In the present embodiment, described counter weight guide track 7 is connected to a fixed with car guide rail 4 by counterweight rail bracket 17.
In the present embodiment, described it is provided with to roller guard shield 18 to outside roller 8.The described setting to roller guard shield 18 is permissibleProtect well to roller 8, prevent roller 8 is clashed into, and then ensure that car 2 is smoothly reached the standard grade motion.
In the present embodiment, counterweight backplate 19 is provided with counter weight guide track 7, described counterweight backplate 19 is located at described counterweight frame 6Medial surface.Counterweight and car 2 can be isolated by the setting of described counterweight backplate 19, non-interference, and then ensure to runStationarity.
In the present embodiment, described car guide rail 4 is fixed in hoistway 1 by car guide rail support 20.
In the present embodiment, between described traction machine 9 and base of traction machine 10, it is provided with cushion 21.The setting of described cushion 21Put and can effectively reduce the vibrations producing in traction machine work, and then reduce noise.
In the present embodiment, above described car 2, it is provided with flat bed sensing 22, all corresponding position of each layer of described car guide rail 4The place of putting is provided with a flat bed support 23.Described flat bed sensing 22 and flat bed support 23 cooperate and can sense record elevator arrivalThe number of plies.
In the present embodiment, on described car guide rail 4, each layer is equipped with speed reducing switch 24 and limit switch 25.
In the present embodiment, described apparatus for examination and repair includes car maintenance lock 27 and maintenance jam plate 26, and described car guide rail 4 setsThere is maintenance jam plate 26, described car 2 is provided with car maintenance lock 27, described car maintenance lock 27 and maintenance jam plate 26 phase during maintenanceCooperation.When elevator needs maintenance, in described car maintenance lock 27 insertion maintenance jam plate 26, after maintenance completes, thenCar maintenance lock 27 is separated with maintenance jam plate 26, this kind of simple to operation and safe and reliable.