CN204897083U - Directly drive elevator steering mechanism - Google Patents

Directly drive elevator steering mechanism Download PDF

Info

Publication number
CN204897083U
CN204897083U CN201520336390.XU CN201520336390U CN204897083U CN 204897083 U CN204897083 U CN 204897083U CN 201520336390 U CN201520336390 U CN 201520336390U CN 204897083 U CN204897083 U CN 204897083U
Authority
CN
China
Prior art keywords
stator
rotatable
mover
track
rotatable stator
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Withdrawn - After Issue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
CN201520336390.XU
Other languages
Chinese (zh)
Inventor
汪旭东
许孝卓
封海潮
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.)
Jiaozuo Huaying Electromechanical Technology Co ltd
Henan University of Technology
Original Assignee
Jiaozuo Huaying Electromechanical Technology Co ltd
Henan University of Technology
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 Jiaozuo Huaying Electromechanical Technology Co ltd, Henan University of Technology filed Critical Jiaozuo Huaying Electromechanical Technology Co ltd
Priority to CN201520336390.XU priority Critical patent/CN204897083U/en
Application granted granted Critical
Publication of CN204897083U publication Critical patent/CN204897083U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Types And Forms Of Lifts (AREA)

Abstract

The utility model belongs to wireless elevator field, concretely relates to directly drive elevator steering mechanism, including stator track and stator steering mechanism, stator steering mechanism reaches and stator steering mechanism complex active cell steering mechanism, constitutes one set of steering mechanism, on a car or car frame, sets up two set at least steering mechanism. Compared with the prior art, the utility model discloses directly drive elevator steering mechanism adopts active cell segmentation multiaxis drive structure, realizes that the car is high -efficient, swift turning to, whole head's active cell can set up by stage with location alone, when the track not not at ordinary times, each section active cell can be around axis of rotation separately, guaranteed the car perpendicular operation with turn to the overall process self stabilization, can move the multi -section elevator like this in an elevartor shaft, not only improved the utilization ratio of elevator, can also reduce the floor area that the elevator took.

Description

Directly drive elevator steering hardware
Technical field
The utility model belongs to cordless elevator field, is specifically related to one and directly drives elevator steering hardware.
Background technology
Linear electric motors many cars transport systems, will thoroughly change the structure of skyscraper, again need not wait for for a long time for next plows elevator.This novel system carrying capacity is not by hawser, but magnetic field.How highly want, how high it just can send you, casted off elevator cable once and for all, no longer by the restriction of hawser.People have carried out long-term exploration at elevator with multiple compartments system aspects for many years, propose kinds of schemes and patent application.Patents such as such as " CN200910064738.3: a kind of non-rope circulating multi-cabin elevator and circulating system thereof ".Steering hardware and car stabilizing mechanism are as one of elevator with multiple compartments gordian technique, the scheme adopted mainly contains three kinds at present: the first adopts the single S. A. being with coupking shaft brake coupling to drive between the mover of transferring power and car frame or car, open coupking shaft power-transfer clutch, mover can rotate around sedan-chair frame, and car frame, car naturally droops due to Action of Gravity Field, in normal upright runs, power-transfer clutch band-type brake, mover and car frame can not rotate and keep car not swing, program shortcoming is the coupking shaft power-transfer clutch needing to arrange heavy band brake between S. A. and car frame or car, in steering procedure, car meeting beat is unstable, and also may be loaded with personnel in car in steering procedure, need to arrange special car stabilizing mechanism in addition, complex structure, from great, and also there is off-axis potential safety hazard in single shaft driving, stressed unreasonable, Structure of mover local strength rigidity is large, also have the whole section of long location difficulty brought of mover length, cost is high, the problems such as reliability is low.The second arranges rotating car transfer device or can the car translation mechanism of translation at infall, to the car global transfer of this mechanism be entered or move to another hoistway, program shortcoming is transfer, translation mechanism is too huge, complicated, execution efficiency and practical level low; The third and the first be similar adopts that be with the single shaft of coupking shaft power-transfer clutch to drive or adopt multistage mover to flexibly connect can from turning structure, arc track is set at turning and vertical section track forms cyclic track jointly, outside arc turnaround section track, arrange special anti-bias guide rail along car movement track deflect to prevent car, its shortcoming is that track turn radius is large, take building space large, location difficulty, the problems such as setting accuracy is high, mechanism is complicated, safe reliability is low.
Utility model content
The technical problems to be solved in the utility model directly drives elevator with multiple compartments steering hardware to comprise car stabilizing mechanism complex structure, heavy, there is potential safety hazard, the problems such as cost is high, practical level is low, provide a kind of structure simple, safe and reliable, economical and practical, applied widely directly drive elevator with multiple compartments steering hardware.
For achieving the above object, by the following technical solutions:
Directly drive elevator steering hardware, comprise stator track and rotor steering mechanism, rotor steering mechanism and the mover steering hardware coordinated with rotor steering mechanism, form a set of steering hardware, on a car or car frame, arranges at least two cover steering hardwarees.
Fixed stator track on the borehole wall basis of described car or car frame behind, stator track is arranged side by side at least two vertical stator tracks in every bar Vertical Well, a horizontal stator track is coordinated in every bar horizontal drainhole, horizontal stator track and vertical stator track form level at least two intersection points, and each intersection point arranges a set of steering hardware.
Described rotor steering mechanism is the one section of rotatable stator coordinated with mover length, rotatable stator with the straight line of the point of crossing perpendicular to stator track for axis arranges S. A., rotatable stator rotates around this S. A., rotatable stator is divided into two sections by S. A., two side by side rotatable stator sides adjacent be inner side, the length of each rotatable stator medial segment is less than or equal to the length of segmentum laterale; Rotate mover to connect with car frame rotating shaft and form mover steering hardware, each rotatable stator coordinates a rotation mover, and the rotatable stator cooperatively interacted overlaps with the rotating shaft of rotation mover.
Fixed stator track on the borehole wall basis of described car or car frame behind, stator track is a vertical stator track in every bar Vertical Well, at least two horizontal stator tracks are coordinated in every bar horizontal drainhole, horizontal stator track stator track vertical with forms vertically at least two intersection points, and each intersection point arranges a set of steering hardware.
Described rotor steering mechanism is the one section of rotatable stator coordinated with mover length, rotatable stator with the straight line of the point of crossing perpendicular to stator track for axis arranges S. A., rotatable stator rotates around this S. A., rotatable stator is divided into two sections by S. A., two sections of neighbouring sides of rotatable stator are inner side, and the length of each rotatable stator medial segment is less than or equal to the length of segmentum laterale; Rotate mover to connect with car frame rotating shaft and form mover steering hardware, each rotatable stator coordinates a rotation mover, and the rotatable stator cooperatively interacted overlaps with the rotating shaft of rotation mover.
Described car frame is at least two sections up and down, and every section of car frame coordinates one to rotate mover, consolidation or hinged between each section of car frame.
Described car or between the car frame left and right sides and borehole wall basis, a set of steering hardware is fixed in every side, fixes two cover steering hardwarees altogether.
The S. A. of described two cover steering hardwarees does not overlap or is in same plane and misplaces up and down.
The rotatable stator of described a set of rotor steering mechanism is fixed on the S. A. of stator track infall, described S. A. is supported and fixed on borehole wall basis by swing bearing, the overhanging end of S. A. fixes rotatable stator, stationary annular guide rail and rotating machine on borehole wall basis, rotatable stator is by guide wheel or slide block annularly guide rail rotation, establish Geneva mechanism or gear mechanism between rotating machine output shaft and S. A., rotating machine is rotated and braking by Geneva mechanism or gear mechanism driven rotary axle.
The rotatable stator of described a set of rotor steering mechanism is fixed on the S. A. of stator track infall, described S. A. is supported and fixed on borehole wall basis by swing bearing, the overhanging end of S. A. fixes rotatable stator, stationary annular guide rail on borehole wall basis, rotatable stator is by guide wheel or slide block annularly guide rail rotation, rotating machine is fixed on the motor mount of rotatable stator, coordinates motor driven gear between rotatable stator with the borehole wall by ring-shaped guide rail internally toothed annulus, rotatable stator is rotated and braking.
Described rotatable stator and along the borehole wall basis fixed and arranged two stator tracks between connecting sewing be arc connecting sewing.
Relative to prior art, the utility model directly drives elevator steering hardware and adopts mover segmentation multiaxis actuation techniques, not only achieves car and efficiently, efficiently turns to, reduce the building area that elevator takies, and can ensure the omnidistance self-stabilization of car.Mover segmentation multiaxis drives also has a remarkable advantage to be whole segment length's mover sectional is arranged and location, when track not at ordinary times, every section of mover is allowed to change with working gas gap, its air gap is beated and personnel, laod unbalance only make each segmentation mover rotate around respective S. A., but the beat of car frame or car can not be caused, ensure that car is vertically running and turning to overall process self-stabilization, solve long driving apart from many cars single shaft and turn to the car stability problem brought.By comfortable and safe during cage operation.Being highly suitable for building, elevator, mine hoist etc. are multi-field directly drives lifting traffic and transportation system.
Accompanying drawing explanation
Fig. 1 is rotatable stator front view.
Fig. 2 pinion steering mechanism structural representation.
The A-A cutaway view of Fig. 3 Fig. 2.
Fig. 4 is sheave steering hardware structural representation.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is two rotatable stator front views arranged side by side.
Fig. 7 is diaxon steering structure schematic diagram one.
Fig. 8 is the A-A cutaway view of Fig. 7.
Fig. 9 is car self-stabilization mechanism.
Figure 10 is diaxon steering structure schematic diagram two.
Figure 11 is diaxon steering structure schematic diagram three.
Figure 12 is diaxon steering structure schematic diagram four.
Figure 13 is diaxon steering structure schematic diagram five.
Figure 14 is diaxon car self-stabilization mechanism.
Figure 15 is the lateral plan of Figure 12.
Figure 16 is diaxon steering structure schematic diagram six.
Figure 17 is three axle steer structural representations.
Wherein, 1 is shift fork; 2 is brake plates; 3 is rotatable stators; 4 is sheaves; 5 is horizontal stators; 6 is ring-shaped guide rails; 7 is motor shafts; 8 is to turn stator; 9 is bearings; 10 is S. A.s; 11 is rotating machines; 12 is guide wheel mount pads; 13 is drgs; 14 is motor shafts; 15 is motor mounts; 16 is gear rings; 17 is gears; 18 is motors; 19 is motor couplers; 20 is not can be turned through to cross stator; 21 is auxiliary adapter shafts; 22 is movers; 23 is the main adapter shafts of car frame; 24 is car frames; 25 is cars; 26 is guide wheels; 27 is hinged pairs.
Detailed description of the invention
As shown in Fig. 1-Figure 17, directly drive elevator steering hardware, comprise at least two crossing stator tracks, arrange rotor steering mechanism in the point of intersection of two crossing stator tracks, mover 22 establishes the mover steering hardware coordinated with rotor steering mechanism.
Described rotor steering mechanism is one section of rotatable stator that can hold mover 22 length, with the straight line of the point of crossing perpendicular to stator track for axis arranges S. A. 10, rotatable stator is arranged on S. A. 10, mover 22 connects with the main adapter shaft 23 of car frame, the mover 22 be contained in rotatable stator is rotated with rotatable stator, and car frame 25 is in hang, between mover 22 and car frame 24, auxiliary adapter shaft 21 and dovetail ring-shaped guide rail pair are set, play car safety supporting role.
Described rotatable stator is fixed on the S. A. 10 of stator track infall, described S. A. 10 is supported and fixed on the borehole wall by swing bearing 9, the overhanging end of S. A. 10 fixes rotatable stator, the borehole wall is fixed rotating machine 11, Geneva mechanism is established between rotating machine 11 output shaft and S. A. 10, rotating machine 11 is rotated by Geneva mechanism driven rotary axle 10 and is braked, rotating machine 11 drives shift fork 1, the sheave 4 on S. A. 10 stirred by shift fork 1, and then drive and can turn stator department 3 and rotate, when reaching demand position, the brake plate 2 of drg 13 clamps motor shaft, rotating machine stops operating, and then stator department 3 can be turned be parked in demand position, described Geneva mechanism also can change gear mechanism into, and rotating machine 11 output shaft drives miniature gears to stir bull gear drive on S. A. 10, and then S. A. 10 drives and can turn stator department 3 and rotate, as shown in Figure 3, Figure 4.
Described rotatable stator is fixed on the S. A. 10 of stator track infall, described S. A. 10 is supported and fixed on the borehole wall by swing bearing 9, the overhanging end of S. A. 10 fixes rotatable stator, stationary annular gear ring 16 on the borehole wall, rotating machine 11 is fixed on the motor mount 15 of rotatable stator, coordinate motor 18, drg 13 driven gear 17 by gear ring 16 between rotatable stator with the borehole wall, rotatable stator is rotated and braking.
Stationary annular guide rail 6 on the borehole wall, rotatable stator 3 by guide wheel 26 annularly guide rail 6 rotate, described rotatable stator 3 and two connecting sewings that can not turn between stator track are arc connecting sewing, and namely rotatable stator 3 is arc with the connecting sewing that can not turn stator 8.
Around mover 22 rotating shaft, between mover 22 and car frame 24, auxiliary adapter shaft 21 and slide block 21 ring-shaped guide rail pair are set.
Described stator track infall is placed at least two cover rotation axiss and is parallel to each other and has the rotor steering mechanism of spacing, and each rotor steering mechanism coordinates a set of mover steering hardware respectively.
Described stator track infall places at least two cover rotor steering mechanisms, linearly motor normal orientation is disposed side by side on borehole wall basis, and dock with the stator track along hoistway fixed and arranged, the mover steering hardware of corresponding tricks is between mover 22 and car frame 24 and be equipped with rotor steering mechanism, arranging two ends between two cover steering hardwarees is that not can be turned through of arc crosses stator segment, and car whole process is self-stabilization state.As this two schemes of Figure 10, Figure 11 is applicable to car height, situation that width is larger.Figure 12 may be more practical, and this two schemes is applicable to car 25 height, the smaller situation of width.
At least two described cover rotor steering mechanisms form a line along mover service direction and are arranged on borehole wall basis, and dock with the stator track along hoistway fixed and arranged, arranging two ends between two cover steering hardwarees is that not can be turned through of arc crosses stator segment, the mover steering hardware of corresponding tricks is between mover 22 and car frame 24 and be equipped with rotor steering mechanism, mover at least divides two sections, a main adapter shaft 23 of car frame is set between every section of mover and respective car frame, every section of mover can rotate around respective main adapter shaft 23 respectively, can consolidation or hinged between different section car frame, car whole process is self-stabilization state, as Figure 12, Figure 13, Figure 14, shown in Figure 15.
At least two described cover rotor steering mechanisms are oppositely arranged on the borehole wall basis of car 25 both sides respectively, the S. A. of two cover rotor steering mechanisms is positioned at differing heights, and dock with the stator track that can not turn along hoistway fixed and arranged, the mover steering hardware of corresponding tricks is between mover 22 and car frame 24 and be equipped with rotor steering mechanism, car whole process is self-stabilization state, as shown in figure 16.
At least two described cover rotor steering mechanisms are three cover rotor steering mechanisms, forming a line along mover 22 service direction is arranged on borehole wall basis, and dock with the stator track along hoistway fixed and arranged, arranging two ends between three cover steering hardwarees is that not can be turned through of arc crosses stator 20 sections, the mover steering hardware of corresponding tricks is between mover 22 and car frame 24 and be equipped with rotor steering mechanism, as shown in figure 17.

Claims (11)

1. directly drive elevator steering hardware, comprise stator track and rotor steering mechanism, rotor steering mechanism and the mover steering hardware coordinated with rotor steering mechanism, form a set of steering hardware, it is characterized in that: on a car or car frame, at least two cover steering hardwarees are set.
2. according to claim 1ly directly drive elevator steering hardware, it is characterized in that: fixed stator track on the borehole wall basis of described car or car frame behind, stator track is arranged side by side at least two vertical stator tracks in every bar Vertical Well, a horizontal stator track is coordinated in every bar horizontal drainhole, horizontal stator track and vertical stator track form level at least two intersection points, and each intersection point arranges a set of steering hardware.
3. according to claim 2ly directly drive elevator steering hardware, it is characterized in that: described rotor steering mechanism is the one section of rotatable stator coordinated with mover length, rotatable stator with the straight line of the point of crossing perpendicular to stator track for axis arranges S. A., rotatable stator rotates around this S. A., rotatable stator is divided into two sections by S. A., two side by side rotatable stator sides adjacent be inner side, the length of each rotatable stator medial segment is less than or equal to the length of segmentum laterale; Rotate mover to connect with car frame rotating shaft and form mover steering hardware, each rotatable stator coordinates a rotation mover, and the rotatable stator cooperatively interacted overlaps with the rotating shaft of rotation mover.
4. according to claim 1ly directly drive elevator steering hardware, it is characterized in that: fixed stator track on the borehole wall basis of described car or car frame behind, stator track is a vertical stator track in every bar Vertical Well, at least two horizontal stator tracks are coordinated in every bar horizontal drainhole, horizontal stator track stator track vertical with forms vertically at least two intersection points, and each intersection point arranges a set of steering hardware.
5. according to claim 4ly directly drive elevator steering hardware, it is characterized in that: described rotor steering mechanism is the one section of rotatable stator coordinated with mover length, rotatable stator with the straight line of the point of crossing perpendicular to stator track for axis arranges S. A., rotatable stator rotates around this S. A., rotatable stator is divided into two sections by S. A., two sections of neighbouring sides of rotatable stator are inner side, and the length of each rotatable stator medial segment is less than or equal to the length of segmentum laterale; Rotate mover to connect with car frame rotating shaft and form mover steering hardware, each rotatable stator coordinates a rotation mover, and the rotatable stator cooperatively interacted overlaps with the rotating shaft of rotation mover.
6. according to claim 5ly directly drive elevator steering hardware, it is characterized in that: described car frame is at least two sections up and down, every section of car frame coordinates one to rotate mover, consolidation or hinged between each section of car frame.
7. according to claim 1ly directly drive elevator steering hardware, it is characterized in that: described car or between the car frame left and right sides and borehole wall basis, a set of steering hardware is fixed in every side, fix two cover steering hardwarees altogether.
8. according to claim 7ly directly drive elevator steering hardware, it is characterized in that: the S. A.s of described two cover steering hardwarees do not overlap or are in same plane and misplace up and down.
9. according to claim 3 or 5, directly drive elevator steering hardware, it is characterized in that: the rotatable stator of described a set of rotor steering mechanism is fixed on the S. A. of stator track infall, described S. A. is supported and fixed on borehole wall basis by swing bearing, the overhanging end of S. A. fixes rotatable stator, stationary annular guide rail and rotating machine on borehole wall basis, rotatable stator is by guide wheel or slide block annularly guide rail rotation, Geneva mechanism or gear mechanism is established between rotating machine output shaft and S. A., rotating machine is rotated and braking by Geneva mechanism or gear mechanism driven rotary axle.
10. according to claim 3 or 5, directly drive elevator steering hardware, it is characterized in that: the rotatable stator of described a set of rotor steering mechanism is fixed on the S. A. of stator track infall, described S. A. is supported and fixed on borehole wall basis by swing bearing, the overhanging end of S. A. fixes rotatable stator, stationary annular guide rail on borehole wall basis, rotatable stator is by guide wheel or slide block annularly guide rail rotation, rotating machine is fixed on the motor mount of rotatable stator, motor driven gear is coordinated by ring-shaped guide rail internally toothed annulus between rotatable stator with the borehole wall, rotatable stator is rotated and braking.
11. according to claim 10ly directly drive elevator steering hardware, it is characterized in that: described rotatable stator and along borehole wall basis fixed and arranged two stator tracks between connecting sewing be arc connecting sewing.
CN201520336390.XU 2015-05-23 2015-05-23 Directly drive elevator steering mechanism Withdrawn - After Issue CN204897083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520336390.XU CN204897083U (en) 2015-05-23 2015-05-23 Directly drive elevator steering mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520336390.XU CN204897083U (en) 2015-05-23 2015-05-23 Directly drive elevator steering mechanism

Publications (1)

Publication Number Publication Date
CN204897083U true CN204897083U (en) 2015-12-23

Family

ID=54919275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520336390.XU Withdrawn - After Issue CN204897083U (en) 2015-05-23 2015-05-23 Directly drive elevator steering mechanism

Country Status (1)

Country Link
CN (1) CN204897083U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876089A (en) * 2015-05-16 2015-09-02 河南理工大学 Direct-driven elevator steering mechanism
CN106966261A (en) * 2017-05-25 2017-07-21 沈阳建筑大学 A kind of elevator runtime and its control method
CN107265258A (en) * 2017-08-21 2017-10-20 河南理工大学 A kind of wireless circulation vertical-lift mechanism of movable stand
CN108313855A (en) * 2018-04-11 2018-07-24 河南理工大学 A kind of more car stereo circulating elevator devices and linkage operation method
CN115159298A (en) * 2022-07-28 2022-10-11 刘洪润 Vertical double-sided elevator track system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876089A (en) * 2015-05-16 2015-09-02 河南理工大学 Direct-driven elevator steering mechanism
CN106966261A (en) * 2017-05-25 2017-07-21 沈阳建筑大学 A kind of elevator runtime and its control method
CN107265258A (en) * 2017-08-21 2017-10-20 河南理工大学 A kind of wireless circulation vertical-lift mechanism of movable stand
CN107265258B (en) * 2017-08-21 2022-12-06 河南理工大学 Cordless circulating vertical lifting mechanism of movable frame
CN108313855A (en) * 2018-04-11 2018-07-24 河南理工大学 A kind of more car stereo circulating elevator devices and linkage operation method
CN108313855B (en) * 2018-04-11 2023-06-30 河南理工大学 Multi-car three-dimensional circulating elevator system and collaborative operation method
CN115159298A (en) * 2022-07-28 2022-10-11 刘洪润 Vertical double-sided elevator track system
CN115159298B (en) * 2022-07-28 2023-09-15 刘洪润 Vertical double-sided elevator track system

Similar Documents

Publication Publication Date Title
CN204897083U (en) Directly drive elevator steering mechanism
CN104876089A (en) Direct-driven elevator steering mechanism
CN102912726B (en) Combined type multifunctional bridge inspection trolley
CN107265258A (en) A kind of wireless circulation vertical-lift mechanism of movable stand
CN201447317U (en) Rotary hoisting frame electromagnetic crane
JP2013535386A (en) Worm gear type drive unit, elevator using worm gear type drive unit, and elevator system
CN102182167B (en) Stayed bidirectional portal opening and closing machine for dam gate
CN103420148A (en) Turning conveying mechanism of container assembly
CN107973226A (en) A kind of high hoisting machinery of stability
CN203947826U (en) Double track is without dodging parking apparatus
CN202361801U (en) Double motor-driven furnace door lifting mechanism with synchronization control
CN104876094B (en) It is straight to drive elevator solid steering mechanism
CN108275584B (en) Super large hoisting equipment of straight rail with it is multi-functional
CN202220464U (en) Manipulator device for three-dimensional garage
CN202670975U (en) Loading platform of mining elevator
CN106629416B (en) A kind of small-sized sliceable avoidance crane gear
CN105523484B (en) A kind of tunnel measure of relief and its device
CN205241155U (en) Hoisting device
CN204958062U (en) Directly drive three -dimensional steering mechanism of elevator
CN212740481U (en) Tire gantry crane
CN103545755A (en) Track reversing device of cable drum carriage
CN208911441U (en) A kind of platform turnover mechanism and amusement facility
CN105937317A (en) Driving-driven-synchronization driving device for large-capacity mechanical-vertical-circulation stereo garage
CN207330155U (en) A kind of reduction pivoted arm hangs the bracing means rocked
CN207608831U (en) A kind of New operation device of bridge construction

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20151223

Effective date of abandoning: 20170919

AV01 Patent right actively abandoned

Granted publication date: 20151223

Effective date of abandoning: 20170919

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned