CN104071677B - Elevator - Google Patents

Elevator Download PDF

Info

Publication number
CN104071677B
CN104071677B CN201410334583.1A CN201410334583A CN104071677B CN 104071677 B CN104071677 B CN 104071677B CN 201410334583 A CN201410334583 A CN 201410334583A CN 104071677 B CN104071677 B CN 104071677B
Authority
CN
China
Prior art keywords
guide rail
wire rope
car
hoistway
chain
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.)
Active
Application number
CN201410334583.1A
Other languages
Chinese (zh)
Other versions
CN104071677A (en
Inventor
吴岂凡
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.)
Foshan Hezhong Elevator Technology Co.,Ltd.
Original Assignee
吴岂凡
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 吴岂凡 filed Critical 吴岂凡
Priority to CN201410334583.1A priority Critical patent/CN104071677B/en
Publication of CN104071677A publication Critical patent/CN104071677A/en
Application granted granted Critical
Publication of CN104071677B publication Critical patent/CN104071677B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses an elevator. Two chains of a power device are connected with a connecting point of an upper chain and a lower chain of an elevator car and are suspended on a driving chain wheel of the power device, the lower ends of the chains are fixed through a driven chain wheel, and the chains are tensioned. When a motor of the power device rotates forwardly and reversely, the chains pull the elevator car to vertically move along main tracks fixedly arranged on a guide rail support. According to a speed limiting stop device, a counterweight housing is connected with the elevator car through a steel wire rope, the steel wire rope is suspended on a steel wire rope wheel, and the steel wire rope wheel is arranged on a main transmission shaft in an empty sleeved mode, that is, the rotation of the driving chain wheel of the power device is irrelevant to that of the steel wire rope wheel of the speed limiting stop device. Compared with the prior art, the elevator is suitable for hoistways which are small in area and free of foundation pits and machine rooms in home elevators, and the elevator is also suitable for hoistways which are large in tonnage and free of machine rooms and foundation pits in freight elevators.

Description

A kind of elevator
Technical field
The present invention relates to vertical-lift apparatus field, is exactly a kind of elevator.
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 or Carrying goods.Also there is step, step plate is mounted on crawler belt and continuously runs, and is commonly called as automatic elevator.
In current elevator industry both at home and abroad, elevator species is various, the product such as passenger lift, cargo lift and service elevator Kind.Its kind of drive nothing more than:Steel wire rope Yi draws formula, hydraulic oil cylinder type, forces to drive wire rope drum formula, nut-screw rod type. Modem elevator mainly draws formula and hydraulic oil cylinder type using steel wire rope Yi.And escalator and moving sidewalk are passed using chain type Dynamic, its operation angle is not more than 35 degree with ground, is not used to vertical-lift.
Today's society, with growth in the living standard, people are increasing for the demand of elevator, especially there is old in family People or the family of disability personnel, it is further urgent for the demand of elevator.There is substantial amounts of low-rise dwelling to need that elevator is installed in China, But the requirement of elevator hoistways limits the popularization and development of home lift.
The content of the invention
For drawbacks described above, present invention solves the technical problem that being to provide a kind of elevator, it is adaptable to which domestic and low layer are carried Goods, in terms of home lift:, hoistway without pit, machine room little for area is suitable for;In terms of cargo lift:For big ton Position, machine room, the hoistway without pit are equally applicable.
In order to solve the technical problem of the above, the elevator of the present invention, including car, power set, speed limit stopping device and Hoistway device, wherein:
The power set include motor, chain, drive sprocket and driven sprocket, described chain one end and the car Top connects, and the other end of the chain is connected with the bottom of the car, and the drive sprocket is arranged on the top of hoistway, institute Driven sprocket is stated installed in the lower section of hoistway, the chain is wound on the drive sprocket and driven sprocket, the motor drives The drive sprocket rotation, and then lifted by car described in the chain-driving;
The speed limit stopping device includes steel wire rope, wire rope pulley and counterweight frame, and the steel wire rope bypasses the steel wire rope Wheel one end is connected to the car upper, and the other end is connected on the counterweight frame, and the wire rope pulley is arranged on the upper of hoistway Side;
The hoistway device includes hoistway, main guide rail, secondary guide rail and rail brackets, and the rail brackets is arranged on hoistway On, on the rail brackets, the car is moved up and down along the main guide rail for the main guide rail and the secondary guide rails assembling, The counterweight frame is moved up and down along the secondary guide rail.
Preferably, the power set also include final drive shaft, and the drive sprocket is arranged on the final drive shaft, institute State motor and the drive sprocket rotation is driven by the final drive shaft.
Preferably, on the final drive shaft, the motor drives the drive sprocket rotation to the wire rope pulley empty set While, the car drives the wire rope pulley rotation.
Preferably, the quantity of the main guide rail is two, and the section of the main guide rail is respectively " C " connected in star structure, institute The slot opening for stating " C " connected in star structure is relative, and the car is provided with roller, and the roller is in " C " the connected in star structure Groove in roll.
Preferably, the quantity of the secondary guide rail is two, and the section of the secondary guide rail is respectively " T " shape structure, described right Set up again and be equipped with guide rail groove, the projection of the " T " shape structure is embedded in the guide rail groove, and the secondary guide rail is to described right Moving up and down for frame of weight carries out the spacing of horizontal direction.
Preferably, the quantity of the secondary guide rail is two, and the secondary guide rail is provided with guide rail groove, and the counterweight frame is arranged The projection for having projection, the counterweight frame is embedded in the guide rail groove of the secondary guide rail, and the secondary guide rail is to the counterweight frame Moving up and down carries out the spacing of horizontal direction.
Preferably, the power set also include chain guided way, the through hole of the inner hollow of the chain guided way, institute State chain guided way to be socketed in outside the chain, chain guided way prevents chain shake from sending sound and can carry out oily.
Preferably, elevator also includes up Bunper assembly and downstream buffer device assembly, the up Bunper assembly peace The top of hoistway is mounted in, the downstream buffer device assembly is arranged on the bottom of hoistway.The upper and lower stop that car is moved up and down is upper Line buffer component, downstream buffer device assembly, to provide safety precautions.
In addition, the present invention also provides a kind of elevator, including car, power set, speed limit stopping device and hoistway device, its In:
The power set include motor, cog belt, drive sprocket and driven sprocket, described cog belt one end and the sedan-chair The top connection in railway carriage or compartment, the other end of the cog belt is connected with the bottom of the car, and the drive sprocket is arranged on hoistway Top, the driven sprocket is arranged on the lower section of hoistway, and the cog belt is wound on the drive sprocket and driven sprocket, described Motor drives the drive sprocket rotation, and then drives the car lifting by the cog belt;
The speed limit stopping device includes steel wire rope, wire rope pulley and counterweight frame, and the steel wire rope bypasses the steel wire rope Wheel one end is connected to the car upper, and the other end is connected on the counterweight frame, and the wire rope pulley is arranged on the upper of hoistway Side;
The hoistway device includes hoistway, main guide rail, secondary guide rail and rail brackets, and the rail brackets is arranged on hoistway On, on the rail brackets, the car is moved up and down along the main guide rail for the main guide rail and the secondary guide rails assembling, The counterweight frame is moved up and down along the secondary guide rail.
In the elevator of the present invention, the chain or cog belt of power set are 2, the upper and lower chain junction point with car It is connected, is suspended on the drive sprocket of power set, its chain or cog belt are fixed and be tensioned in lower end using driven sprocket.Dynamic During the positive and negative rotation of the motor of power apparatus, chain or cog belt pull car along being fixed on the main guide rail on rail brackets, Under vertically move;Speed limit stopping device is connected with car by counterweight frame by steel wire rope, steel wire hang on wire rope pulley, and Wire rope pulley be empty set on final drive shaft, both power set drive sprocket revolution with speed limit stopping device wire rope pulley return It is mutually incoherent to turn.When car motor drive it is upper and lower lower mobile when, counterweight frame in the presence of deadweight or pull strength along Secondary guide rail is also moved up and down.Compared with prior art, elevator of the invention, it is adaptable to domestic and low layer loading, in home lift Aspect:, hoistway without pit, machine room little for area is suitable for;In terms of cargo lift:For large-tonnage, machine room, bottomless The hoistway in hole is equally applicable.
Description of the drawings
Fig. 1 is the main structure diagram of elevator in the embodiment of the present invention;
Fig. 2 is the A-A cross-sectional views of elevator in Fig. 1;
Fig. 3 is the B-B cross-sectional views of elevator in Fig. 1.
Specific embodiment
In order to those skilled in the art better understood when technical scheme provided by the present invention, with reference to concrete Embodiment is illustrated.
This case can be illustrated by below example and is fully understood so that the personage for being familiar with this skill can be according to this It is completed, the embodiment of right this case not can be by following and limited its and implement kenel.
Fig. 1-Fig. 3 is referred to, Fig. 1 is the main structure diagram of elevator in the embodiment of the present invention;Fig. 2 is elevator in Fig. 1 A-A cross-sectional views;Fig. 3 is the B-B cross-sectional views of elevator in Fig. 1.
Elevator provided in an embodiment of the present invention, including car 5, power set, speed limit stopping device and hoistway device, its In:
Power set include the top of motor 14, chain 9, drive sprocket 3 and driven sprocket 4, the one end of chain 9 and car 5 Connection, the other end of chain 9 is connected with the bottom of car 5, and drive sprocket 3 is arranged on the top of hoistway 17, and driven sprocket 4 is installed In the lower section of hoistway 17, chain 9 is wound on drive sprocket 3 and driven sprocket 4, and motor 14 drives drive sprocket 3 to rotate, Jin Ertong Crossing chain 9 drives car 5 to lift;
Speed limit stopping device includes steel wire rope 10, wire rope pulley 13 and counterweight frame 19, and steel wire rope 10 bypasses wire rope pulley 13, And the one end of steel wire rope 10 is connected to the top of car 5, the other end is connected on counterweight frame 19, and wire rope pulley 13 is arranged on hoistway 17 Top;
Hoistway device includes hoistway 17, main guide rail 2, secondary guide rail 16 and rail brackets 8, and rail brackets 8 is arranged on hoistway 17 On, main guide rail 2 is arranged on rail brackets 8 with secondary guide rail 16, and car 5 is moved up and down along main guide rail 2, and counterweight frame 19 is along pair Guide rail 16 is moved up and down.
Motor 14 can use common AC three phase asynchronous motor, also can select AC permanent magnet synchronous motor, it is supporting with frequency conversion can Save a large amount of electric energy.
Car 5 includes car frame 7 and hall door 6, and hall door 6 is arranged on hoistway 17.
Further, as the improvement of technical solution of the present invention, power set also include final drive shaft 12, drive sprocket 3 On final drive shaft 12, motor 14 drives drive sprocket 3 to rotate by final drive shaft 12.The empty set of wire rope pulley 13 is in main biography On moving axis 12, while motor 14 drives drive sprocket 3 to rotate, wire rope pulley 13 is driven to rotate also by the motion of car 5.Electricity Machine 14 and final drive shaft 12 are arranged on the main spandrel girder 11 of the top of hoistway 17.
Further, as the improvement of technical solution of the present invention, the quantity of main guide rail 2 is two, the section point of main guide rail 2 Not Wei " C " connected in star structure, the slot opening of " C " connected in star structure is relative, and car 5 is provided with roller 18, and roller 18 is in " C " shape Roll in the groove of groove structure.Main guide rail 2 can limit rocking for car 5, make elevator move up and down gentler.
Further, as the improvement of technical solution of the present invention, the quantity of secondary guide rail 16 is two, the section of secondary guide rail 16 Respectively " T " shape structure, counterweight frame 19 is provided with guide rail groove, and the projection of " T " shape structure is embedded in guide rail groove, secondary guide rail 16 pairs of moving up and down for counterweight frame 19 carry out the spacing of horizontal direction.
Further, as the improvement of technical solution of the present invention, power set also include chain guided way 20, and chain is oriented to The through hole of the inner hollow of rail 20, chain guided way 20 is socketed in outside chain 9, and chain guided way 20 prevents the shake of chain 9 from sending Sound simultaneously can be carried out oily.
Further, as the improvement of technical solution of the present invention, elevator also includes up Bunper assembly 15 and descending slow Device assembly 1 is rushed, up Bunper assembly 15 is arranged on the top of hoistway 17, and downstream buffer device assembly 1 is arranged under hoistway 17 Portion.The upper and lower stop that car 5 is moved up and down is up Bunper assembly 15 and downstream buffer device assembly 1, to provide safeguard protection Measure.
Further, as the improvement of technical solution of the present invention, safety tongs, limiter of speed are merged into one by speed limit stopping device Body, when chain breakage or when car acceleration out of control is descending, in the device block action is got rid of, and blocks ratchet, and wire rope pulley stops Rotate, while touching wedge blocks steel wire rope, make the slow stop of elevator.
It should be noted that in the present invention, as the technical characteristic that another kind of pair guide rail can be substituted, the number of secondary guide rail Measure as two, secondary guide rail is provided with guide rail groove, counterweight frame is provided with projection, and the projection of counterweight frame is embedded into the guide rail of secondary guide rail In groove, secondary guide rail carries out the spacing of horizontal direction to moving up and down for counterweight frame.
Further, as the improvement of technical solution of the present invention, safety tongs, limiter of speed are merged into one by speed limit stopping device Body, when chain breakage or when car acceleration out of control is descending, in the device block action is got rid of, and blocks ratchet, and wire rope pulley stops Rotate, while touching wedge blocks steel wire rope, make the slow stop of elevator.
In the elevator of the present invention, the chain 9 of power set is 2, is connected with the upper and lower chain junction point of car 5, is hanged Hang on the drive sprocket 3 of power set, its chain is fixed and be tensioned in the lower end of chain 9 using driven sprocket 4.In power set During 14 positive and negative rotation of motor, chain 9 pulls car 5 to vertically move along the main guide rail 2 being fixed on rail brackets 8 is upper and lower; Speed limit stopping device is connected with car 5 by counterweight frame 19 by steel wire rope 10, and steel wire rope 10 is suspended on wire rope pulley 13, and steel Cord wheel 13 be empty set on final drive shaft 12, the both revolution of drive sprocket 3 of power set and the steel wire rope of speed limit stopping device The revolution of wheel 13 is mutually incoherent.When car 5 drives upper and lower lower mobile in motor 14, counterweight frame 19 is in deadweight or draws Also move up and down along secondary guide rail 16 in the presence of power.
In addition, the present invention also provides a kind of elevator, including car, power set, speed limit stopping device and hoistway device, its In:
Power set include motor, cog belt, drive sprocket and driven sprocket, and cog belt one end connects with the top of car Connect, the other end of cog belt is connected with the bottom of car, drive sprocket is arranged on the top of hoistway, driven sprocket is arranged on hoistway Lower section, cog belt is wound on drive sprocket and driven sprocket, and motor drives drive sprocket rotation, and then is driven by cog belt Car is lifted;
Speed limit stopping device includes steel wire rope, wire rope pulley and counterweight frame, and steel wire rope bypasses wire rope pulley one end and is connected to Car upper, the other end is connected on counterweight frame, and wire rope pulley is arranged on the top of hoistway;
Hoistway device includes hoistway, main guide rail, secondary guide rail and rail brackets, and rail brackets is arranged on hoistway, main guide rail With secondary guide rails assembling on rail brackets, car is moved up and down along main guide rail, and counterweight frame is moved up and down along secondary guide rail.
Compared with prior art, elevator of the invention, linked transmission is applied to the low-rise dwelling less than 12 meters or heavy duty is carried Goods elevator, in terms of home lift:, hoistway without pit, machine room little for area is suitable for;In terms of cargo lift:For Large-tonnage, machine room, the hoistway without pit are equally applicable.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope for causing.

Claims (9)

1. a kind of elevator, it is characterised in that including car, power set, speed limit stopping device and hoistway device, wherein:
The power set include motor, chain, drive sprocket and driven sprocket, the top of described chain one end and the car Connection, the other end of the chain be connected with the bottom of the car, the drive sprocket installed in the top of hoistway, it is described from Movable sprocket is arranged on the lower section of hoistway, and the chain is wound on the drive sprocket and driven sprocket, and the motor drives described Drive sprocket rotates, and then is lifted by car described in the chain-driving;
The speed limit stopping device includes steel wire rope, wire rope pulley and counterweight frame, and the steel wire rope bypasses the wire rope pulley one End is connected to the car upper, and the other end is connected on the counterweight frame, and the wire rope pulley is arranged on the top of hoistway;
The speed limit stopping device merges into a single whole safety tongs, limiter of speed, when the chain breakage or the car is out of control When accelerating descending, block action is got rid of in the device, block ratchet, the wire rope pulley stops operating, while touch wedge blocking The steel wire rope, makes the slow stop of the elevator;
The hoistway device includes hoistway, main guide rail, secondary guide rail and rail brackets, and the rail brackets is arranged on hoistway, institute Main guide rail and the secondary guide rails assembling are stated on the rail brackets, the car is moved up and down along the main guide rail, described Counterweight frame is moved up and down along the secondary guide rail.
2. elevator according to claim 1, it is characterised in that the power set also include final drive shaft, the active Sprocket wheel is arranged on the final drive shaft, and the motor drives the drive sprocket rotation by the final drive shaft.
3. elevator according to claim 2, it is characterised in that the wire rope pulley empty set on the final drive shaft, institute While stating motor and drive the drive sprocket to rotate, the car drives the wire rope pulley rotation.
4. elevator according to claim 1, it is characterised in that the quantity of the main guide rail is two, the main guide rail Section is respectively " C " connected in star structure, and the slot opening of " C " the connected in star structure is relative, and the car is provided with roller, institute State roller to roll in the groove of " C " the connected in star structure.
5. elevator according to claim 1, it is characterised in that the quantity of the secondary guide rail is two, the secondary guide rail Section is respectively " T " shape structure, and the counterweight frame is provided with guide rail groove, and the projection of the " T " shape structure is embedded into described leading In rail groove.
6. elevator according to claim 1, it is characterised in that the quantity of the secondary guide rail is two, and the secondary guide rail sets Guide rail groove is equipped with, the counterweight frame is provided with projection, and the projection of the counterweight frame is embedded into the guide rail groove of the secondary guide rail It is interior.
7. elevator according to claim 1, it is characterised in that the power set also include chain guided way, the chain The through hole of the inner hollow of bar guided way, the chain guided way is socketed in outside the chain.
8. elevator according to claim 1, it is characterised in that also including up Bunper assembly and downlink buffer group Part, the up Bunper assembly is arranged on the top of hoistway, and the downstream buffer device assembly is arranged on the bottom of hoistway.
9. a kind of elevator, it is characterised in that including car, power set, speed limit stopping device and hoistway device, wherein:
The power set include motor, cog belt, drive sprocket and driven sprocket, described cog belt one end and the car Top connects, and the other end of the cog belt is connected with the bottom of the car, and the drive sprocket is arranged on the top of hoistway, The driven sprocket is arranged on the lower section of hoistway, and the cog belt is wound on the drive sprocket and driven sprocket, the motor Drive the drive sprocket to rotate, and then the car lifting is driven by the cog belt;
The speed limit stopping device includes steel wire rope, wire rope pulley and counterweight frame, and the steel wire rope bypasses the wire rope pulley one End is connected to the car upper, and the other end is connected on the counterweight frame, and the wire rope pulley is arranged on the top of hoistway;
The speed limit stopping device merges into a single whole safety tongs, limiter of speed, when the cog belt ruptures or the car lose When control accelerates descending, block action is got rid of in the device, block ratchet, the wire rope pulley stops operating, while touching wedge card Steel wire rope is stated in residence, makes the slow stop of the elevator;
The hoistway device includes hoistway, main guide rail, secondary guide rail and rail brackets, and the rail brackets is arranged on hoistway, institute Main guide rail and the secondary guide rails assembling are stated on the rail brackets, the car is moved up and down along the main guide rail, described Counterweight frame is moved up and down along the secondary guide rail.
CN201410334583.1A 2014-07-14 2014-07-14 Elevator Active CN104071677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410334583.1A CN104071677B (en) 2014-07-14 2014-07-14 Elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410334583.1A CN104071677B (en) 2014-07-14 2014-07-14 Elevator

Publications (2)

Publication Number Publication Date
CN104071677A CN104071677A (en) 2014-10-01
CN104071677B true CN104071677B (en) 2017-04-19

Family

ID=51593347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410334583.1A Active CN104071677B (en) 2014-07-14 2014-07-14 Elevator

Country Status (1)

Country Link
CN (1) CN104071677B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106744167A (en) * 2017-03-02 2017-05-31 广东法雷奥电梯设备有限公司 A kind of novel villa elevator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3351116B2 (en) * 1994-08-30 2002-11-25 株式会社明電舎 Frame structure of vertical transfer device
CN2554145Y (en) * 2002-06-06 2003-06-04 冯新成 Chain-type elevator for lower-building
CN202529678U (en) * 2012-05-08 2012-11-14 上海航星机械(集团)有限公司 Sprocket drive lifting bag hoister
CN202848821U (en) * 2012-09-26 2013-04-03 苏州金旭工业设备有限公司 Super high-rise reciprocating type lifter
CN203976188U (en) * 2014-07-14 2014-12-03 吴岂凡 A kind of elevator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060151255A1 (en) * 2004-06-30 2006-07-13 Wildeck, Inc. Vertical reciprocating conveyor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3351116B2 (en) * 1994-08-30 2002-11-25 株式会社明電舎 Frame structure of vertical transfer device
CN2554145Y (en) * 2002-06-06 2003-06-04 冯新成 Chain-type elevator for lower-building
CN202529678U (en) * 2012-05-08 2012-11-14 上海航星机械(集团)有限公司 Sprocket drive lifting bag hoister
CN202848821U (en) * 2012-09-26 2013-04-03 苏州金旭工业设备有限公司 Super high-rise reciprocating type lifter
CN203976188U (en) * 2014-07-14 2014-12-03 吴岂凡 A kind of elevator

Also Published As

Publication number Publication date
CN104071677A (en) 2014-10-01

Similar Documents

Publication Publication Date Title
WO2013143424A1 (en) Mining elevator carrying platform and carrying method
CN102344080A (en) Oblique hauling type elevator
CN201517292U (en) Four-point safety catch flat bed locking device for garage lifter
CN206447456U (en) A kind of safety type elevator cage door locking apparatus
CN210825174U (en) Promote stable monospar gantry crane
CN104071677B (en) Elevator
CN101863405A (en) Traction elevator with counterweight of double cars in single hoistway
CN104444714A (en) Inclined elevator
CN202670960U (en) Safe and energy-saving construction elevator
CN105173983A (en) People and goods dual-purpose vertical-transportation building construction elevator
CN203976188U (en) A kind of elevator
CN204280998U (en) Double end traction elevator
CN208454198U (en) A kind of elevator emergency stop device
CN205739897U (en) A kind of drag device of household ladder
CN205204567U (en) No counter weight elevator and lift driving motor , drive unit and actuating system thereof
CN205555818U (en) Rack and pinion formula safety elevator
CN205099168U (en) Elevator without engine room
CN204689291U (en) A kind of elevator front end state acquisition device
CN217780446U (en) Brake device for increasing brake contracting and releasing speed of elevator brake
CN205132865U (en) Electrically operated gate sword for elevator
CN211229468U (en) Novel elevator construction platform
CN204490259U (en) A kind of suspension type elevator
CN208500088U (en) A kind of elevator slowly closed the door
CN217627048U (en) Elevator with mixed traction for hoistway
CN213231154U (en) Integrated hall door pocket capable of being exhaled outside

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210621

Address after: 528000 the third floor, No.5 Changxing Road, changhongling Industrial Park, Dapu Xingxian, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee after: Foshan Hezhong Elevator Technology Co.,Ltd.

Address before: 1702, building 1, Golden Palm Bay, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee before: Wu Qifan