CN210682908U - Block type braking inner rotor traction machine - Google Patents

Block type braking inner rotor traction machine Download PDF

Info

Publication number
CN210682908U
CN210682908U CN201920912022.3U CN201920912022U CN210682908U CN 210682908 U CN210682908 U CN 210682908U CN 201920912022 U CN201920912022 U CN 201920912022U CN 210682908 U CN210682908 U CN 210682908U
Authority
CN
China
Prior art keywords
inner rotor
frame
block
brake
brake disc
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.)
Withdrawn - After Issue
Application number
CN201920912022.3U
Other languages
Chinese (zh)
Inventor
邓轶华
杜秋
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.)
Winone Elevator Co Ltd
Original Assignee
Winone Elevator Co Ltd
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 Winone Elevator Co Ltd filed Critical Winone Elevator Co Ltd
Priority to CN201920912022.3U priority Critical patent/CN210682908U/en
Application granted granted Critical
Publication of CN210682908U publication Critical patent/CN210682908U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of elevator drive equipment's technique and specifically relates to block type braking inner rotor hauler, including frame, stator module, rotor subassembly, pivot, traction sheave, block type stopper, the frame be the open structure of outer octagon by the first half and the tray structure that the latter half is outer circular forms, stator module install the bottom at the tray structure of frame latter half, the rotor subassembly constitute by the brake disc of first half and the inner rotor of latter half, rotor subassembly cover to the open structure department that pushes away to frame first half in the pivot, block type stopper set up the brake disc that cooperates on the inside rotor subassembly on the casing in the open structure outside of frame first half use. The utility model discloses the effectual problem of deformation that causes the frame because of the braking of having solved has promoted the tractor installation and has maintained the convenience of operation, its novel structure, and stability is high, and the durability is good, helps promoting the development of the technique of tractor braking.

Description

Block type braking inner rotor traction machine
Technical Field
The utility model belongs to the technical field of elevator drive equipment's technique and specifically relates to block type braking inner rotor hauler.
Background
With the rapid development of economy and the continuous deepening of urbanization, the elevator industry in China is undergoing a high-speed development period, a large number of high-rise buildings are built, an elevator becomes a main transportation device for transporting passengers or goods up and down in the high-rise buildings, the demand of people for the elevator is continuously increased, the dependence is more and more strong, the comfort level is an important index of the performance of the elevator, a traction machine is used as a core component of the elevator, the running stability of the traction machine directly influences the comfort level of the elevator, and the structure of a brake disc and a brake of the traction machine has great influence on the stability of the traction machine.
At present, the mode of braking to the hauler on the market mainly has two kinds of structures, one kind is that traction sheave and brake disc cast as an organic whole, install in the pivot, another kind is to pass through the screw connection with the brake disc and fix on traction sheave, traction sheave installs in the pivot, the brake disc of two kinds of above structures, no matter above either structure all there is the change traction sheave difficulty, at the hauler during operation, can cause the frame to bear very big stress and produce deformation when carrying out emergency braking to the brake disc through the stopper of installing on the hauler body, there is the safety braking hidden danger, and because the hauler is the work of inside drive unit, emergency braking can lead to the hauler frame top layer temperature of deformation higher, seriously influence the working effect of hauler internal system.
The patent technology of the utility model CN201521060094.8 entitled "a high-stability traction machine" disclosed in the chinese patent document discloses that the high temperature generated by the operation of the internal driving unit of the traction machine housing can be effectively reduced by arranging the brake release handle and the uniform temperature heat dissipation guide block. However, the utility model discloses only solved the high temperature of internal part and the problem of part control, did not solve the problem that causes the tractor casing deformation about the tractor braking, and just carried out even heat dissipation to the holistic temperature of tractor through increasing even temperature heat dissipation guide block, its radiating effect does not obtain essential promotion, therefore is necessary to improve the part structure on the tractor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purpose lies in to prior art's defect and not enough, provides a novel structure, and stability is high, and the durability is good, can solve the block type braking inner rotor hauler that the hauler warp the problem because of the braking produces the frame a bit.
The technical scheme of the utility model as follows:
the block type braking inner rotor traction machine comprises a machine base, a stator assembly, a rotor assembly, a rotating shaft, a traction wheel and a block type brake, wherein the machine base is composed of a front half part which is an outer octagonal opening structure and a rear half part which is an outer circular tray structure, the rotating shaft is arranged on a cylindrical hole at the center of the tray structure of the rear half part of the machine base, the stator assembly is arranged at the bottom of the tray structure of the rear half part of the machine base, the rotor assembly is composed of a brake disc of the front half part and an inner rotor of the rear half part, the rotor assembly is sleeved on the opening structure of the front half part of the machine base on the rotating shaft, the inner rotor of the rear half part of the machine base is pushed to the inner part of the stator assembly to be matched with magnetic steel to form an inner rotor structure, and the block type brake is arranged on a shell outside the opening, the traction wheel is sleeved to the front end of the rotating shaft in a locking and limiting way.
Preferably, the outer terminal surface of the opening structure of the first half of the engine base on install a front end cover, the outer terminal surface of the tray structure of the second half of the engine base on install a back shroud, the ring surface of the tray structure shell body of the second half of the engine base on install with the terminal box of block brake complete set use, the terminal of the nearly tray structure side of pivot install the encoder.
Preferably, frame bottom be located open structure below and be equipped with left and right sides structure offside "L" type supporting seat, "L" type supporting seat's open end and the inclined plane in the open structure outside meet and form the triangular supports, "frame bottom two" L "type supporting seats between be located open structure below and be equipped with the bottom louvre, frame upper end be located open structure top and be equipped with the contralateral rings strengthening rib of left and right sides structure, the left and right sides of frame be equipped with the integrative mounting platform of installation block formula stopper and terminal box respectively, the annular surface of the tray structure shell body of frame latter half on be equipped with many heat dissipation muscle, the terminal surface of tray structure on be equipped with a plurality of plane louvres that run through the end of a dish.
Preferably, the front end housing include octagon apron and front bearing room, the octagon apron on be equipped with a plurality of apron louvres that run through the body, the relative setting in position of apron louvre and the structural plane louvre of tray, the preceding terminal surface of octagon apron on be equipped with many apron strengthening ribs of connecting the front bearing room, the rear end face of octagon apron on be equipped with annular inner circle arch, the protruding line of inner circle be equipped with many inner circle strengthening ribs of connecting the front bearing room, the preceding terminal surface of octagon apron on be equipped with one and just to the barring subassembly of rotor subassembly.
Preferably, rotor subassembly on brake disc and inner rotor formula shaping structure as an organic whole, the axle center department of brake disc be equipped with the shaft hole of being connected with the pivot, be equipped with a plurality of inside ventilation holes that use the shaft hole to set up as the axle center annular in the quotation of brake disc, be equipped with a plurality of winding louvres that use the ventilation hole of inner circle to set up as the axle center annular in the quotation of brake disc, the inner rotor setting in the quotation between inside ventilation hole and winding louvre, the annular surface in the outside of brake disc be the friction surface of block brake.
Preferably, the inner vent holes of the brake disc are penetrated in a large-area block shape, and the weight of the disc body is reduced by 5kg to 10kg by removing materials from the inner vent holes of the brake disc.
Preferably, the winding heat dissipation holes on the brake disc are arranged between the friction surface and the inner rotor to form a heat dissipation gap, and the stator winding part on the stator assembly extends into the heat dissipation gap.
Preferably, a plurality of corresponding front protective cover plates are respectively arranged on a plurality of cover plate heat dissipation holes on the front end cover, a plurality of plane heat dissipation holes of the tray structure are provided with an integral rear protective cover plate, and the front protective cover plate and the rear protective cover plate are respectively provided with high-density air holes.
Preferably, the two block brakes are respectively arranged on the middle part of the base and positioned on the shell surfaces of two vertical bottoms of an octagon on the outer side of the opening structure, and the installation positions of the two block brakes are oppositely arranged at an angle of 0 degree and an angle of 180 degrees.
The utility model has the advantages that: the block type braking inner rotor hauler is through adopting the holistic rotor subassembly of inner rotor structure with brake disc and inner rotor constitution, and be provided with the block type stopper of rotor subassembly braking outside the frame, the hauler in the braking process in service block type stopper directly brakes to the rotor subassembly that has the moment of torsion, can effectively avoid drive division torsion and braking part's braking force offset, thereby the effectual problem of deformation big because of braking to the frame that causes of having solved, and direct internal rotor braking can reduce the probability promotion life of magnet steel demagnetization, the overall structure of brake disc and inner rotor can reduce the use of connecting piece simultaneously, it reduces to reach the simplified installation volume, the convenience of hauler installation maintenance operation has been promoted, novel structure, stability is high, and high durability, help promoting the development of the technique of hauler braking.
Drawings
Fig. 1 is a schematic perspective view of a block brake inner rotor traction machine according to an embodiment of the present invention;
fig. 2 is a partial sectional view of a block brake inner rotor traction machine according to an embodiment of the present invention;
fig. 3 is a main view of the block brake inner rotor traction machine according to the embodiment of the present invention;
fig. 4 is a rear view of the block brake inner rotor traction machine according to the embodiment of the present invention;
fig. 5 is a right side view of the block brake inner rotor traction machine according to the embodiment of the present invention;
fig. 6 is a schematic perspective view of a base according to an embodiment of the present invention;
fig. 7 is a rear view of the housing according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a front end cover according to an embodiment of the present invention;
fig. 9 is a rear view of a front end cap according to an embodiment of the present invention;
fig. 10 is a perspective view of a rotor assembly in accordance with an embodiment of the present invention;
fig. 11 is a rear view of a rotor assembly in accordance with an embodiment of the present invention;
fig. 12 is a partial cross-sectional view of a rotor assembly in accordance with an embodiment of the present invention.
Detailed Description
As shown in fig. 1-6, the block brake inner rotor traction machine according to the embodiment of the present invention includes a machine base 1, a stator assembly 2, a rotor assembly 3, a rotating shaft 4, a traction wheel 5, and a block brake 6, wherein the machine base 1 is composed of an opening structure 10 whose front half portion is an outer octagon and a tray structure 11 whose rear half portion is an outer circle, the rotating shaft 4 is disposed on a cylindrical hole 110 at the center of the tray structure 11 of the rear half portion of the machine base 1, a front end cover 7 is installed on an outer end surface of the opening structure 10 of the front half portion of the machine base 1, a rear protective cover plate 113 is installed on an outer end surface of the tray structure 11 of the rear half portion of the machine base 1, a junction box 9 used in set with the block brake 6 is installed on a circular ring surface of the outer case of the tray structure 11 of the rear half portion of the machine base 1, an encoder 40 is installed at a position close to the, the stator assembly 2 is installed at the bottom of the tray structure 11 at the rear half part of the base 1, the rotor assembly 3 is composed of a brake disc 30 at the front half part and an inner rotor 31 at the rear half part, the rotor assembly 3 is sleeved at the opening structure 10 pushed to the front half part of the base 1 on the rotating shaft 4, the inner rotor 31 at the rear half part of the rotor assembly 3 is pushed to the inner part of the stator assembly 2 to be matched with the magnetic steel 310 to form an inner rotor structure, the block brakes 6 are arranged on the shell at the outer side of the opening structure 10 at the front half part of the base 1 and are matched with the brake disc 30 on the inner rotor assembly 3 for use, the block brakes 6 are two shell surfaces which are respectively arranged at the middle part of the base 1 and are positioned at two vertical bottoms of an octagon at the outer side of the opening structure 10, and the installation positions of the two, the block brake 6 is low in cost, low in friction noise, capable of enabling the traction wheel 5 to be sleeved on the front end of the rotating shaft 4 in a locking and limiting mode, the front end cover 7 is provided with the rope blocking rod 78 matched with the traction wheel 5 to be used, the rotor assembly 3 formed by the brake disc 30 and the inner rotor 31 is integrated through the inner rotor structure, the block brake 6 for braking the rotor assembly 3 is arranged outside the machine base 1, the block brake 6 directly brakes the rotor assembly with torque in the braking process of the traction machine in the running process, the opposite impact of the torque of a driving part and the braking force of a braking part can be effectively avoided, the problem that the deformation of the machine base 1 is large due to braking is effectively solved, and the service life and the running stability of the traction machine are improved.
In this embodiment, as shown in fig. 7, the bottom of the base 1 is located below the opening structure 10, and is provided with an "L" shaped support seat 101 with opposite sides of the left and right structures, the open end of the "L" shaped support seat 101 is connected with the inclined plane outside the opening structure 10 to form a triangular support, a bottom heat dissipation hole 102 is located below the opening structure 10 between the two "L" shaped support seats 101 at the bottom of the base 1, the upper end of the base 1 is located above the opening structure 10 and is provided with a hanging ring reinforcing rib 103 with opposite sides of the left and right structures, the left and right sides of the base 1 are respectively provided with an integrated mounting platform 104 for mounting the block brake 6 and the junction box 9, the circular ring surface of the outer shell of the tray structure 11 at the rear half of the base 1 is provided with a plurality of heat dissipation ribs 111, the end surface of the tray, the base 1, the stator assembly 2 and the front end cover 7 are combined to form a structure which is stable in operation, reasonable in stress and good in heat dissipation performance.
In this embodiment, as shown in fig. 8-9, the front end cover 7 includes an octagonal cover plate 70 and a front bearing chamber 71, the octagonal cover plate 70 is provided with a plurality of cover plate heat dissipation holes 72 penetrating through the main body, the cover plate heat dissipation holes 72 are disposed opposite to the planar heat dissipation holes 112 on the tray structure 11, the front end surface of the octagonal cover plate 70 is provided with a plurality of cover plate reinforcing ribs 73 connected to the front bearing chamber 71, the rear end surface of the octagonal cover plate 70 is provided with an annular inner ring protrusion 74, the inner ring protrusion 74 is provided with a plurality of inner ring reinforcing ribs 75 connected to the front bearing chamber 71, the overall strength of the front end cover 7 is improved to ensure the stable operation of the traction wheel 5, the front end surface of the octagonal cover plate 70 is provided with a barring component 76 facing the rotor component 3, and the front end cover 7 is through with the planar heat dissipation holes 112 on the back of the base, the heat dissipation efficiency is effectively improved.
In the present embodiment, as shown in fig. 10-12, the brake disc 30 and the inner rotor 31 of the rotor assembly 3 are integrally formed, the axial center of the brake disc 30 is provided with an axial hole 32 connected with the rotating shaft 4, the disc surface of the brake disc 30 is provided with a plurality of internal ventilation holes 33 which are annularly arranged by taking the axial hole 32 as the axial center, the disc surface of the brake disc 30 is provided with a plurality of winding heat dissipation holes 34 which are annularly arranged by taking the ventilation holes 33 of the inner ring as the axial center, the inner rotor 31 is disposed on the disk surface between the inner vent hole 33 and the winding heat radiation hole 34, the annular surface 35 on the outer side of the brake disc 30 is a friction surface of the block brake 6, the inner vent hole 33 on the brake disc 30 penetrates in a large-area block shape, the material removed by the internal ventilation holes 33 on the brake disc 30 will reduce the weight of the disc body by 5kg to 10kg, and the ventilation and heat dissipation functions while reducing the weight and material consumption.
In this embodiment, the winding heat dissipation holes 34 on the brake disc 30 are disposed between the friction surface 35 and the inner rotor 31 to form a heat dissipation gap, and the stator winding 20 on the stator assembly 2 partially extends into the heat dissipation gap, so that the heat dissipation efficiency of the stator winding is effectively improved, and the condition that the heat dissipation of the base is uneven due to heat accumulation is avoided.
In this embodiment, a plurality of corresponding front shielding plates 77 are respectively disposed on the plurality of cover plate heat dissipation holes 72 of the front end cover 7, a plurality of plane heat dissipation holes 112 of the tray structure 11 are provided with a whole rear shielding plate 113, and the front shielding plate 77 and the rear shielding plate 113 are respectively provided with high-density air holes, so that the heat dissipation and ventilation can prevent impurities in the hoistway from entering the traction machine, thereby playing a role in protection.
Through the technical scheme, the block type braking inner rotor tractor combines with the block type brake 6 through adopting the inner rotor structure, can directly promote life to the probability that the internal rotor 31 braking can reduce the demagnetization of magnet steel 310, the use of connecting piece can be reduced with the overall structure of inner rotor 31 to the brake disc 30 simultaneously, it reduces to reach the simplification installation volume, promoted the tractor installation and maintained the convenience of operation, its novel structure, stability is high, and the durability is good, helps promoting the development of the technique of tractor braking.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (9)

1. Block formula braking inner rotor hauler, including frame, stator module, rotor subassembly, pivot, traction sheave, block brake, its characterized in that: the frame be the open structure of outer octagon by the first half and the tray structure that the latter half is outer disc forms, the pivot set up on the cylinder hole at the tray structure center of the frame latter half, stator module install the bottom at the tray structure of frame latter half, the rotor subassembly constitute by the brake disc of first half and the inner rotor of latter half, rotor subassembly cover to push up the open structure department to the frame first half in the pivot, and with the inner rotor of rotor subassembly latter half push up to stator module in department cooperation magnet steel form the inner rotor structure, the block brake setting on the casing in the open structure outside of frame first half cooperate the brake disc on the inside rotor subassembly to use, the traction wheel cover to the spacing setting of locking at the pivot front end.
2. The block brake inner rotor traction machine of claim 1, wherein: the outer terminal surface of the opening structure of the first half of the engine base on install a front end cover, the outer terminal surface of the tray structure of the second half of the engine base on install a back shroud, the ring surface of the tray structure shell body of the second half of the engine base on install with the terminal box of block brake complete set use, the terminal of the nearly tray structure side of pivot install the encoder.
3. The block brake inner rotor traction machine of claim 2, wherein: frame bottom be located open structure below and be equipped with "L" type supporting seat in the offside of left and right sides structure, "L" type supporting seat's open end and the inclined plane in the open structure outside meet and form the triangular supports, "frame bottom two" L "type supporting seats between be located open structure below and be equipped with the bottom louvre, frame upper end be located open structure top and be equipped with the contralateral rings strengthening rib of left and right sides structure, the left and right sides of frame be equipped with the integrative mounting platform of installation block formula stopper and terminal box respectively, the annular of the tray structure shell body of frame latter half on be equipped with many heat dissipation muscle, the terminal surface of tray structure on be equipped with a plurality of plane louvres that run through the end of a dish.
4. The block brake inner rotor traction machine of claim 3, wherein: the front end cover include octagon apron and front bearing room, the octagon apron on be equipped with a plurality of apron louvres that run through the body, apron louvre and the structural plane louvre's of tray position set up relatively, the preceding terminal surface of octagon apron on be equipped with many apron strengthening ribs of connecting the front bearing room, the rear end face of octagon apron on be equipped with annular inner circle arch, the inner circle protruding line be equipped with many inner circle strengthening ribs of connecting the front bearing room, the preceding terminal surface of octagon apron on be equipped with one just to the barring subassembly of rotor subassembly.
5. The block brake inner rotor traction machine of claim 4, wherein: rotor subassembly on brake disc and inner rotor formula shaping structure as an organic whole, the axle center department of brake disc be equipped with the shaft hole of being connected with the pivot, be equipped with a plurality of inside ventilation holes that use the shaft hole to set up as the axle center annular in the quotation of brake disc, be equipped with a plurality of winding louvres that use the ventilation hole of inner circle to set up as the axle center annular in the quotation of brake disc, the inner rotor setting in the quotation between inside ventilation hole and winding louvre on, the annular face in the outside of brake disc be the friction surface of block brake.
6. The block brake inner rotor traction machine of claim 5, wherein: the inner vent holes on the brake disc penetrate through the brake disc in a large-area block shape, and the weight of the disc body is reduced by 5kg to 10kg through the material removed by the inner vent holes on the brake disc.
7. The block brake inner rotor traction machine of claim 6, wherein: the winding heat dissipation holes in the brake disc are arranged between the friction surface and the inner rotor to form a heat dissipation gap, and the stator winding part on the stator assembly extends into the heat dissipation gap.
8. The block brake inner rotor traction machine of claim 7, wherein: the front end cover is characterized in that a plurality of corresponding front protective cover plates are respectively arranged on a plurality of cover plate radiating holes on the front end cover, a plurality of plane radiating holes of the tray structure are provided with an integral rear protective cover plate, and the front protective cover plate and the rear protective cover plate are respectively provided with high-density air holes.
9. The block brake inner rotor traction machine of claim 8, wherein: the two block brakes are respectively arranged on the shell surfaces of two vertical bottoms of the octagon on the outer side of the opening structure in the middle of the base, and the installation positions of the two block brakes are oppositely arranged at an angle of 0 degree and an angle of 180 degrees.
CN201920912022.3U 2019-06-17 2019-06-17 Block type braking inner rotor traction machine Withdrawn - After Issue CN210682908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920912022.3U CN210682908U (en) 2019-06-17 2019-06-17 Block type braking inner rotor traction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920912022.3U CN210682908U (en) 2019-06-17 2019-06-17 Block type braking inner rotor traction machine

Publications (1)

Publication Number Publication Date
CN210682908U true CN210682908U (en) 2020-06-05

Family

ID=70887019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920912022.3U Withdrawn - After Issue CN210682908U (en) 2019-06-17 2019-06-17 Block type braking inner rotor traction machine

Country Status (1)

Country Link
CN (1) CN210682908U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342381A (en) * 2019-06-17 2019-10-18 菱王电梯股份有限公司 Block brake internal rotor traction machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342381A (en) * 2019-06-17 2019-10-18 菱王电梯股份有限公司 Block brake internal rotor traction machine
CN110342381B (en) * 2019-06-17 2023-12-22 菱王电梯有限公司 Block brake inner rotor traction machine

Similar Documents

Publication Publication Date Title
CN210682908U (en) Block type braking inner rotor traction machine
CN103362996B (en) A kind of automobile drum type brake heat dissipation system
CN215207946U (en) Traction machine base, traction machine and elevator system
CN201420820Y (en) Ventilating brake disk
CN112901684B (en) High strength is from heat dissipation brake disc
CN110342381B (en) Block brake inner rotor traction machine
CN110775786B (en) Novel inner rotor traction machine structure
CN104613109B (en) The compound brake rim of quick heat radiating safety bursting prevention
CN211338462U (en) Block brake inner rotor tractor base
CN207972483U (en) Screw-type wheel hub for commercial car
CN211338463U (en) Block brake inner rotor tractor rotor
CN216336053U (en) Easily adjust elevator hauler based on bilateral braking
CN212604257U (en) Wheel hub with strengthening rib structure
CN212928600U (en) Automobile brake disc convenient to mount
CN219238950U (en) Elevator steel belt traction machine structure
CN211141211U (en) Tractor brake
CN108317190B (en) Assembly method of screw type hub brake disc assembly for commercial vehicle
CN210682906U (en) Block type braking inner rotor tractor end cover
CN213185778U (en) Centrifugal fan and brake disc composite structure of vertical synchronous motor
CN115246614A (en) Traction machine and elevator with same
CN215248969U (en) Elevator traction sheave transmission accessory
CN212893386U (en) Inner rotor traction machine with cantilever structure
CN211599347U (en) Dustproof braking bottom plate
CN108162682A (en) For the screw-type wheel hub of commercial car
CN216691946U (en) Movable disc core assembly for water-cooled brake

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee after: Lingwang Elevator Co.,Ltd.

Address before: 528200 North Park of Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province

Patentee before: WINONE ELEVATOR Co.,Ltd.

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20200605

Effective date of abandoning: 20231222

AV01 Patent right actively abandoned

Granted publication date: 20200605

Effective date of abandoning: 20231222