CN206188298U - Transformer lifting device - Google Patents

Transformer lifting device Download PDF

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Publication number
CN206188298U
CN206188298U CN201621275752.XU CN201621275752U CN206188298U CN 206188298 U CN206188298 U CN 206188298U CN 201621275752 U CN201621275752 U CN 201621275752U CN 206188298 U CN206188298 U CN 206188298U
Authority
CN
China
Prior art keywords
crossbeam
transformer
manual
hook
hydraulic
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.)
Expired - Fee Related
Application number
CN201621275752.XU
Other languages
Chinese (zh)
Inventor
张力淼
武振宇
张逸群
智勇军
付晓
吴建军
郑俊洋
李昕
许刘峰
迟成
付晓梅
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.)
Pingdingshan Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Pingdingshan Power Supply Co of State Grid Henan Electric Power 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 Pingdingshan Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Pingdingshan Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN201621275752.XU priority Critical patent/CN206188298U/en
Application granted granted Critical
Publication of CN206188298U publication Critical patent/CN206188298U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a transformer lifting device, the crossbeam, the setting that are the U type including the cross section are in left chain block, the setting on crossbeam left side upper portion are in right chain block, the setting on crossbeam right side upper portion are in manual elevating system, the setting of crossbeam left side bottom are in the enclasping mechanism and the setting of crossbeam right -hand member both sides are in lifting machine on the crossbeam constructs, manual elevating system includes that the bulb connection is in manual telescopic link, the setting of crossbeam left side bottom are in the hydraulic jack and the component board of setting in the hydraulic jack bottom of manual telescopic link bottom, set up manual hydraulic pump just on the component board manual hydraulic pump pass through hydraulic pressure pipe with hydraulic jack connects, and the crossbeam right -hand member sets up the link, the balancing weight has been hung on the link. The utility model discloses need not expend electric energy and fuel, only need manual operation just can accomplish the hoist and mount work of transformer, the transportation of not only being convenient for is carried, has effectively reduced transformer hoist and mount expense in addition.

Description

A kind of transformer hanging device
Technical field
The utility model is related to power equipment hoisting technology field, more particularly, to a kind of transformer hanging device.
Background technology
Transformer (Transformer) is the device for changing alternating voltage using the principle of electromagnetic induction, main member It is primary coil, secondary coil and iron core (magnetic core).Major function has:It is voltage transformation, current transformation, impedance conversion, isolation, steady Pressure (magnetic saturation transformer) etc..Can be divided into, according to use,:Power transformer and special transformer (electric furnace change, rectification change, power frequency examination Test transformer, pressure regulator, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformation Device, electronic transformer, reactor, transformer etc.).
As China's economic continues health high speed development, electricity needs maintains sustained and rapid growth.The national whole society uses within 2011 The kilowatt hour of electricity 4.69 trillion, 11.7% is increased than last year, and consumption demand is still vigorous.The kilowatt hour of per capita household electricity consumption 3483, than upper Year increases by 351 kilowatt hours, more than world average level.In recent years, Electricity Demand rapid development, the High Speed Construction of power network draws The market demand of power transmission and transforming equipment is moved.Transformer as power Transmission critical electrical equipment, the market demand also maintains surely The growth of step.At the same time, the wilderness demand of transformer will necessarily bring a large amount of maintenance and lifting work of transformer.
At present, lifting transformer is carried out by the way of crane lifting is installed, but, transformer needs to be arranged on inclined sometimes Remote area, the unapproachable region of crane, while the instrument for applying man-hour requirement carrying is all much single-minded function, it is necessary to carry big Amount related tools, install to equipment and bring many unnecessary troubles.
Number of patent application 201320368410.2 discloses a kind of portable transformer lifting machine, including vehicle frame, raising dress Put, power set and running gear.The vehicle frame includes a base, an outer mast and an inner upright mounting;The jack up unit includes One goods is inserted, two sprocket wheels, two chains and hoist cylinders;The power set include the hydraulic power unit on the base And battery, wherein, the hydraulic power unit includes hydraulic oil pump, fuel tank, reversal valve and pressure-reducing valve;The battery and the liquid The motor electrical connection of pressure oil pump;The running gear include four bottoms at the left front end for being separately mounted to the base, The foot brake universal wheel of the bottom of the bottom of right front ends, the bottom at left back end and right rear end.The portable transformation of the utility model Device lifting machine realizes the automation of power equipment lifting, raises labour efficiency, and reduces labour intensity and security risk, improves peace The construction quality of dress, increases the economy and benefit of operation.However, the utility model needs to consume electric energy, in real work During need constantly to carry out charging to use, limit electric power install and maintenance continuous job requirement, reduce change Depressor is overhauled and lifting efficiency.
Number of patent application 201610270989.7 discloses a kind of portable transformer hanging apparatus, including fixation kit (2), arm (3) and walking dolly (61).The fixation kit (2) includes upper hoop component (21) and lower hoop component (22); An arm (3) is welded with the lower hoop component (22);Arm (3) top is provided with hangers mouthful (32), an oblique pull Rope (41) one end is fixed on hangers mouthful (32), and the other end is fixed on hoop component (21);Installation kit on the arm (3) Include the luffing component (5) of walking dolly (61) composition;In lower hoop component (22) lower section, steering assembly (7) is installed;Institute State and also have a balance arm component (8) with ballast box (84) on arm (3).The invention technical problem to be solved is to provide one kind Assembling it is easy for installation, weight is light, universal component and band turn to protect and lift by crane overweight warning function in one, can guarantee that Equipment safety reliability during work, increases capacity utilization, expands and uses the device of scope.But, the invention is due to using cantilever Structure, lifting weight is restricted, and influences operating efficiency.
Utility model content
In view of this, the purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of transformer hanging device, Solve when transformer is lifted by the electric energy and the consumption problem of fuel oil that need large lifting equipment to be brought, this practicality is new Type need not expend electric energy and fuel oil, it is only necessary to which manual operations can just complete the lifting work of transformer, be not only convenient for transport Carry, and effectively reduce transformer lifting cost use.
To reach above-mentioned purpose, the utility model uses following technical scheme:
A kind of transformer hanging device, including cross section is U-shaped crossbeam, is arranged on the left hand of the crossbeam left upper portion Cucurbit is drawn, the right chain block of the crossbeam right upper portion is arranged on, is arranged on the hand-worked lift of the crossbeam left bottom Structure, the hold-fast body for being arranged on the crossbeam right-hand member both sides and the derricking gear being arranged on the crossbeam;
The manual lifting mechanism be connected to including bulb the crossbeam left bottom manual telescopic bar, be arranged on it is described The hydraulic jack of manual telescopic bar bottom and the component plate for being arranged on the hydraulic jack top/bottom part, are set on the component plate The hydraulic hand-pump and hydraulic hand-pump is connected by hydraulic tube with the hydraulic jack;
The hold-fast body includes being rotatably arranged on the support arm of the crossbeam right-hand member both sides and is arranged on the support arm The anchor ear of end;
The crossbeam middle part opens up elongated slot along its length, and the derricking gear includes linked together by rotating shaft two Individual roller, the connecting rod being rotatably arranged in the rotating shaft and suspension are arranged on pulling for the connecting rod lower end and lift cucurbit, described Roller is located at the both sides of the elongated slot, and the elongated slot is stretched out in the connecting rod lower end;
The connecting rod left side sets left hook, and the connecting rod right side sets right hook, and the hook of the left chain block is consolidated It is scheduled on the left hook, the hook of the right chain block is fixed on the right hook;The crossbeam right-hand member sets link, Balancing weight is hung with the link.
Annulus is arranged on the support arm, flexible component set, described flexible point are connected by steel wire rope on the annulus Power set outer surface sets and set in annular groove, the annular groove locking anchor ear.
The anchor ear inside sets skid resistant course.
The cross rail inner is respectively provided with limited block near the elongated slot end positions.
The beneficial effects of the utility model are:
The utility model is directed to be needed to consume substantial amounts of electric energy and fuel when transformer is lifted using large lifting equipment, There is provided one kind and be readily transported carrying, and manual operations is only needed to when transformer is lifted can just be easily accomplished hanging for transformer Dress work, it is not necessary to charged to battery also without the enough fuel oils of carrying.Using in sweep bottom, road wheel is set And the mode of transformer crane device is set in sweep upper surface slide, on the one hand it is easy to move this inspection platform, the opposing party Face can get off transformer unloading using transformer crane device to be carried out in situ maintenance, complete to retell transformer after maintenance Lifting is got on.And the transformer crane device is U-shaped crossbeam including cross section, is arranged on a left side for the crossbeam left upper portion Chain block, the right chain block for being arranged on the crossbeam right upper portion, the hand-operated lifting for being arranged on the crossbeam left bottom Mechanism, the hold-fast body for being arranged on the crossbeam right-hand member both sides and the derricking gear being arranged on the crossbeam, so by a left side Chain block and right chain block can move derricking gear along crossbeam length direction;The manual lifting mechanism includes bulb The manual telescopic bar that is connected to the crossbeam left bottom, the hydraulic jack for being arranged on the manual telescopic bar bottom and setting In the component plate of the hydraulic jack top/bottom part, the component plate is slidably arranged in the sweep upper surface, on the component plate Hydraulic hand-pump is set and the hydraulic hand-pump is connected by hydraulic tube with the hydraulic jack, using such structure, Manually expansion link carries out pre-adjustment to the height of manual lifting mechanism first, then manually hydraulic pump control hydraulic pressure thousand Jin jacking drop, so as to reach the purpose of control manual lifting mechanism manually;The hold-fast body includes being rotatably arranged on the horizontal stroke The support arm of beam right-hand member both sides and the anchor ear for being arranged on the support arm end, can so be fixed crossbeam by hold-fast body On the electric pole of transformer both sides, and crossbeam is arranged on crossbeam side using connected mode is rotated, being capable of root in order to crossbeam Rotated according to needs.In addition, setting link, the suspended counterweight block in link, the energy so during lifting in crossbeam right-hand member It is enough that certain counterweight is provided in right-hand member, so that whole system is more stablized.
In addition, the crossbeam middle part opens up elongated slot along its length, the derricking gear includes being connected to one by rotating shaft What two rollers for rising, the connecting rod that is rotatably arranged in the rotating shaft and suspension were arranged on the connecting rod lower end pulls lifting calabash Reed, the roller is located at the both sides of the elongated slot, and the elongated slot is stretched out in the connecting rod lower end, by the way of two rollers, energy Enough increase the stability of derricking gear, it is to avoid turned on one's side during lifting;Meanwhile, the connecting rod left side sets left hook, institute State connecting rod right side and right hook is set, the hook of the left chain block is fixed on the left hook, the right chain block Hook is fixed on the right hook, so can enable derricking gear along crossbeam by left chain block and right chain block It is mobile.The utility model need not expend electric energy and fuel oil, it is only necessary to which manual operations can just complete the lifting work of transformer, It is not only convenient for transport to carry, and effectively reduces transformer lifting cost use.
Brief description of the drawings
Fig. 1 is the structure schematic front view of the first implementation method of the utility model;
Fig. 2 be Fig. 1 in A-A to structural profile schematic diagram;
Fig. 3 is the structure schematic top plan view of the first implementation method of the utility model;
Fig. 4 is the structure schematic top plan view of second implementation method of the utility model;
Fig. 5 is the structural representation of the utility model component set.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer The accompanying drawing 1 to 5 of type embodiment, the technical scheme to the utility model embodiment is clearly and completely described.Obviously, retouched The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.It is new based on this described practicality The embodiment of type, the every other embodiment that those of ordinary skill in the art are obtained belongs to the model of the utility model protection Enclose.
Embodiment one:
As shown in Figure 1, Figure 2 and Figure 3, a kind of transformer hanging device, including cross section is U-shaped crossbeam 1, is arranged on institute The left chain block 2 of stating the left upper portion of crossbeam 1, the right chain block 3 for being arranged on the right upper portion of the crossbeam 1, be arranged on it is described The manual lifting mechanism of the left bottom of crossbeam 1, the hold-fast body for being arranged on the right-hand member both sides of the crossbeam 1 and it is arranged on the crossbeam Derricking gear on 1.
The manual lifting mechanism is connected to the manual telescopic bar 4 of the left bottom of the crossbeam 1 including bulb, is arranged on institute The hydraulic jack 5 for stating the bottom of manual telescopic bar 4 and the component plate 6 for being arranged on the bottom of the hydraulic jack 5, the component plate Hydraulic hand-pump 7 is set on 6 and the hydraulic hand-pump 7 is connected by hydraulic tube with the hydraulic jack 5.
The hold-fast body includes being rotatably arranged on the support arm 8 of the crossbeam right-hand member both sides and is arranged on the support arm The anchor ear 9 of 8 ends.
The middle part of the crossbeam 1 opens up elongated slot 10 along its length, and the derricking gear includes being connected to one by rotating shaft 11 Two rollers 12 for rising, the connecting rod 13 that is rotatably arranged in the rotating shaft 11 and suspension are arranged on pulling for the lower end of the connecting rod 13 Lifting cucurbit 14, the roller 12 is located at the both sides of the elongated slot 10, and the elongated slot 10 is stretched out in the lower end of the connecting rod 13.
The left side of the connecting rod 13 sets left hook 15, and the right side of the connecting rod 13 sets right hook 16, the left chain block 2 Hook be fixed on the left hook 15, the hook of the right chain block 3 is fixed on the right hook 16;The crossbeam 1 right-hand member sets link 17, and balancing weight 18 is hung with the link 17.
The utility model is directed to be needed to consume substantial amounts of electric energy and fuel when transformer is lifted using large lifting equipment, There is provided one kind and be readily transported carrying, and manual operations is only needed to when transformer is lifted can just be easily accomplished hanging for transformer Dress work, it is not necessary to charged to battery also without the enough fuel oils of carrying.Using in sweep bottom, road wheel is set And the mode of transformer crane device is set in sweep upper surface slide, on the one hand it is easy to move this inspection platform, the opposing party Face can get off transformer unloading using transformer crane device to be carried out in situ maintenance, complete to retell transformer after maintenance Lifting is got on.And the transformer crane device is U-shaped crossbeam including cross section, is arranged on a left side for the crossbeam left upper portion Chain block, the right chain block for being arranged on the crossbeam right upper portion, the hand-operated lifting for being arranged on the crossbeam left bottom Mechanism, the hold-fast body for being arranged on the crossbeam right-hand member both sides and the derricking gear being arranged on the crossbeam, so by a left side Chain block and right chain block can move derricking gear along crossbeam length direction;The manual lifting mechanism includes bulb The manual telescopic bar that is connected to the crossbeam left bottom, the hydraulic jack for being arranged on the manual telescopic bar bottom and setting In the component plate of the hydraulic jack top/bottom part, the component plate is slidably arranged in the sweep upper surface, on the component plate Hydraulic hand-pump is set and the hydraulic hand-pump is connected by hydraulic tube with the hydraulic jack, using such structure, Manually expansion link carries out pre-adjustment to the height of manual lifting mechanism first, then manually hydraulic pump control hydraulic pressure thousand Jin jacking drop, so as to reach the purpose of control manual lifting mechanism manually;The hold-fast body includes being rotatably arranged on the horizontal stroke The support arm of beam right-hand member both sides and the anchor ear for being arranged on the support arm end, can so be fixed crossbeam by hold-fast body On the electric pole of transformer both sides, and crossbeam is arranged on crossbeam side using connected mode is rotated, being capable of root in order to crossbeam Rotated according to needs.In addition, setting link, the suspended counterweight block in link, the energy so during lifting in crossbeam right-hand member It is enough that certain counterweight is provided in right-hand member, so that whole system is more stablized.
In addition, the crossbeam middle part opens up elongated slot along its length, the derricking gear includes being connected to one by rotating shaft What two rollers for rising, the connecting rod that is rotatably arranged in the rotating shaft and suspension were arranged on the connecting rod lower end pulls lifting calabash Reed, the roller is located at the both sides of the elongated slot, and the elongated slot is stretched out in the connecting rod lower end, by the way of two rollers, energy Enough increase the stability of derricking gear, it is to avoid turned on one's side during lifting;Meanwhile, the connecting rod left side sets left hook, institute State connecting rod right side and right hook is set, the hook of the left chain block is fixed on the left hook, the right chain block Hook is fixed on the right hook, so can enable derricking gear along crossbeam by left chain block and right chain block It is mobile.The utility model need not expend electric energy and fuel oil, it is only necessary to which manual operations can just complete the lifting work of transformer, It is not only convenient for transport to carry, and effectively reduces transformer lifting cost use.
Embodiment two:
As shown in Figure 4 and Figure 5, it is with the difference of embodiment one:Annulus 19, the circle are arranged on the support arm 8 Flexible component is connected by steel wire rope 20 on ring 19 and covers 21, the flexible component covers 21 outer surfaces and sets annular groove 22, described Locking anchor ear 23 is set in annular groove 22.
The inside of the anchor ear 9 sets skid resistant course.
The inner side of the crossbeam 1 is respectively provided with limited block 24 near the end positions of the elongated slot 10.
In the embodiment, annulus is set on support arm, flexible component set, flexible component are connected by steel wire rope on annulus Set outer surface sets and set in annular groove, annular groove locking anchor ear, so during transformer is lifted by crane, can be by component set Auxiliary lifting effect is played to support arm, the support arm when transformer weight is excessive can be avoided to carry this equipment;Embracing Hoop is internal to set skid resistant course, so as to increase the frictional force between anchor ear and electric pole, makes what anchor ear more fastened to be connected with electric pole, with Play a part of to support fixed cross beam right-hand member;Limited block is respectively provided near elongated slot end positions, it is therefore an objective in cross rail inner to rolling Wheel plays position-limiting action, increased processing safety.
Transformer is hung oneself from electric pole unload down when, crossbeam is fixed on the electric pole of transformer both sides by hold-fast body On, then manually expansion link carries out just successive step to horizontal depth of beam, and manually crossbeam is adjusted water by hydraulic pump afterwards It is flat, transformer is sling by pulling lifting cucurbit afterwards, then manually crossbeam left end is slightly declined and makes it by hydraulic pump Less than right-hand member, now right chain block pulls derricking gear, and lower section is stretched to the left then slowly to make the traction end of right chain block It is long, after the transformer sling is moved to left side by mechanism to be lifted, the traction end of left chain block is fixed on derricking gear Left side is simultaneously tensed to prevent derricking gear from moving left and right, and manually crossbeam is adjusted level by hydraulic pump afterwards, then by hand Cucurbit puts down transformer to power elevation, that is, complete the unloading of transformer;Then can just site examining and repairing be carried out to transformer.Conversely , when the transformer that will have been overhauled is lifted on electric pole, sling transformer by pulling lifting cucurbit first, afterwards by left hand The traction end of cucurbit is drawn to be fixed on derricking gear, manually crossbeam left end is raised and omits crossbeam left end by hydraulic pump afterwards Higher than crossbeam right-hand member, the traction end of left chain block is then slowly set to extend to the right, mechanism to be lifted moves transformer To right side electric pole position when, by the traction end of right chain block fix how derricking gear right side and tension to prevent lifting machine Structure is horizontally slipped, and manually crossbeam is adjusted level by hydraulic pump afterwards, is then placed transformer by pulling lifting cucurbit On cross-arm on electric pole, that is, complete the lifting to transformer.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, this area Other modifications or equivalent that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality The spirit and scope of new technique scheme, all should cover in the middle of right of the present utility model.

Claims (4)

1. a kind of transformer hanging device, it is characterised in that:It is U-shaped crossbeam including cross section, is arranged on the crossbeam left side The left chain block on top, the right chain block for being arranged on the crossbeam right upper portion, it is arranged on the crossbeam left bottom Manual lifting mechanism, the hold-fast body for being arranged on the crossbeam right-hand member both sides and the derricking gear being arranged on the crossbeam;Institute Manual lifting mechanism is stated to be connected to the manual telescopic bar of the crossbeam left bottom including bulb, be arranged on the manual telescopic bar The hydraulic jack of bottom and the component plate for being arranged on the hydraulic jack top/bottom part, hydraulic hand-pump is set on the component plate And the hydraulic hand-pump is connected by hydraulic tube with the hydraulic jack;The hold-fast body is described including being rotatably arranged on The support arm of crossbeam right-hand member both sides and the anchor ear for being arranged on the support arm end;The crossbeam middle part opens up length along its length Groove, the derricking gear include two rollers linked together by rotating shaft, the connecting rod being rotatably arranged in the rotating shaft and Suspension is arranged on pulling for the connecting rod lower end and lifts cucurbit, and the roller is located at the both sides of the elongated slot, the connecting rod lower end Stretch out the elongated slot;The connecting rod left side sets left hook, and the connecting rod right side sets right hook, the extension of the left chain block Hook is fixed on the left hook, and the hook of the right chain block is fixed on the right hook;The crossbeam right-hand member is set Link, balancing weight is hung with the link.
2. a kind of transformer hanging device according to claim 1, it is characterised in that:Annulus is arranged on the support arm, Flexible component set is connected by steel wire rope on the annulus, the flexible component set outer surface sets annular groove, the annular Locking anchor ear is set in groove.
3. a kind of transformer hanging device according to claim 1 and 2, it is characterised in that:The anchor ear inside sets anti- Slip layer.
4. a kind of transformer hanging device according to claim 1 and 2, it is characterised in that:The cross rail inner is near institute State elongated slot end positions and be respectively provided with limited block.
CN201621275752.XU 2016-11-25 2016-11-25 Transformer lifting device Expired - Fee Related CN206188298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621275752.XU CN206188298U (en) 2016-11-25 2016-11-25 Transformer lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621275752.XU CN206188298U (en) 2016-11-25 2016-11-25 Transformer lifting device

Publications (1)

Publication Number Publication Date
CN206188298U true CN206188298U (en) 2017-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621275752.XU Expired - Fee Related CN206188298U (en) 2016-11-25 2016-11-25 Transformer lifting device

Country Status (1)

Country Link
CN (1) CN206188298U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108640020A (en) * 2018-06-13 2018-10-12 苏州市康鼎升降机械有限公司 Hydraulic elevation type lifting equipment
CN111217275A (en) * 2020-03-20 2020-06-02 国网山东省电力公司龙口市供电公司 Hoisting device for loading and unloading equipment for electric power overhaul vehicle
CN111308132A (en) * 2019-11-19 2020-06-19 中节能启源雷宇(江苏)电气科技有限公司 Reactor voltage divider complex vehicle-mounted test platform

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108640020A (en) * 2018-06-13 2018-10-12 苏州市康鼎升降机械有限公司 Hydraulic elevation type lifting equipment
CN108640020B (en) * 2018-06-13 2024-01-02 苏州市康鼎升降机械有限公司 Hydraulic lifting type lifting equipment
CN111308132A (en) * 2019-11-19 2020-06-19 中节能启源雷宇(江苏)电气科技有限公司 Reactor voltage divider complex vehicle-mounted test platform
CN111217275A (en) * 2020-03-20 2020-06-02 国网山东省电力公司龙口市供电公司 Hoisting device for loading and unloading equipment for electric power overhaul vehicle

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

Granted publication date: 20170524

Termination date: 20181125