CN205472281U - Composite door formula crane of suspension walking - Google Patents
Composite door formula crane of suspension walking Download PDFInfo
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- CN205472281U CN205472281U CN201620315225.0U CN201620315225U CN205472281U CN 205472281 U CN205472281 U CN 205472281U CN 201620315225 U CN201620315225 U CN 201620315225U CN 205472281 U CN205472281 U CN 205472281U
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- 230000009184 walking Effects 0.000 title claims abstract description 38
- 239000000725 suspension Substances 0.000 title abstract description 11
- 239000002131 composite material Substances 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000013508 migration Methods 0.000 abstract 2
- 230000005012 migration Effects 0.000 abstract 2
- 230000032258 transport Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a composite door formula crane of suspension walking, be applicable to hoist in industry factory building or laboratory or place, the horizontal migration heavy object. This composite door formula crane is including installing hoisting accessory's combination formula steel door frame and installing the air cushion suspending device in combination formula steel door rest base portion. The utility model discloses traditional gate -type crane and neotype air cushion technique combine together to air cushion suspending device replaces the traveling system of traditional gate -type crane, makes the utility model discloses have the function and suspension travelling function of picking up the work piece perpendicularly simultaneously, can easily accomplish horizontal migration, the utility model discloses having saved complicated dolly traveling system and special track, having simplified the crane structure, alleviateed the volume of hanging vehicle weight, reduced occupation space, reduced the requirement to the ground bearing capacity, the cost has been practiced thrift in easy equipment, easy transportation, the utility model discloses a combination formula steel door frame multiple application method has, the application scope that has improved the crane greatly with use the flexibility ratio.
Description
Technical field
This utility model is applicable to sling in industrial premises or test chamber or place, move horizontally weight, the combination gantry crane of a kind of walking that suspends.
Background technology
Common gantry crane is then handling technology that is a kind of the most ancient and that always using, not only in Factory Building, building site in the open, the most common gantry crane on water resources dam, its advantage: lift heavy is big, and vertical stroke is high；Shortcoming is: must have dedicated track, take much room, simultaneously because have the cart of complexity, walking system and make gantry crane the heaviest.Therefore, avoiding using gantry crane indoor (especially at building surface in big industrial factory) the most as far as possible, and use purlin formula crane (crane being supported on factory building columns by crane girder) instead, this considerably increases again workshop building cost.
Air cushion lifting transportation technology, refer to by special air cushion module, an airtight delivery air chamber is formed by input compressed air between ground and air cushion module, weight pneumatically on air cushion module is made to hold up, owing between compressed air and ground, frictional force is almost nil, therefore, the weight held up by air cushion module can be moved horizontally easily.
The using method of current modal air cushion module: air cushion module is during being transfused to compressed air, the air bag of module bottom can be by inflation, so that module upper surface has several centimeters shift up, shift up value general between 1～6 centimeter, module diameter is the biggest, floating value is the biggest, and this makes air cushion module have the probability holding up several centimeters of weight.Therefore, method conventional when actually used air cushion module lifting, transport is to be placed on by workpiece on set workpiece metal bracket, when needing travelling workpiece, air cushion module or the air cushion vehicle that combined by several air cushion modules are pushed bracket base, and supporting piece floor height is just caing be compared to slightly higher several millimeters of air cushion module.So, when being blown into compressed air in air cushion module, when the air bag of air cushion module is by inflation, module upper surface is toward several centimeters of top offset, and just by bracket jack-up, when air cushion is by bigger pneumatic floating, bracket and workpiece thereon i.e. can be moved.
Visible, when using air cushion lifting transport, weight can not directly be picked up by air cushion module from ground, and can only hold up from weight (or workpiece) bracket base, holds up weight stroke in vertical direction the most very limited, can only have several centimeters, even less than 1 centimeter.So, to workpiece hang in automobile or hanging in Factory Building in car, existing cushion transport mode can not complete.
Summary of the invention
The combination gantry crane of a kind of walking that suspends that the purpose of this utility model provides for the weak point in the presence of above-mentioned prior art just.Traditional gantry crane is combined by this utility model with novel air cushion technology, the running gear of tradition gantry crane is replaced with air cushion levitator, make this utility model have function and the suspension walking function vertically picking up workpiece simultaneously, can easily complete to move horizontally；This utility model eliminates walking system and the dedicated track of complexity, simplifies crane structure, alleviates crane weight, decrease and take up room, reduce the requirement to ground bearing pressure, is easily assembled, easily transports, saved cost；The combined steel door frame that this utility model uses has multiple using method, substantially increases the scope of application of crane and uses flexibility ratio.
The purpose of this utility model can be realized by following technique measures:
The combination gantry crane of the walking that suspends of the present utility model includes the combined steel door frame being provided with boom hoisting and is arranged on the air cushion levitator bottom combined steel door frame；Described combined steel door frame includes that lower end is respectively arranged with the left and right column of base longerons, in the way of being arranged in parallel and two ends all use affixed mode to be arranged on the forward and backward fixed cross beam at left and right column top, and between forward and backward fixed cross beam, two ends are combined with left and right column top by articulated manner respectively and constitute the lift heavy girder steel of simple beam structure；The center of gravity orthographic projection of described left and right column center of gravity orthographic projection with both sides base longerons respectively coincides, and the axis of described lift heavy girder steel intersects vertically with the axis of left and right column；Described air cushion levitator includes four air cushion modules being separately mounted to front and back end bottom two base longerons, and the compressed air gas source being connected by trachea；It is positioned at before and after homonymy two air cushion modules to be arranged symmetrically with for center line with base longerons middle section in the longitudinal direction, and described boom hoisting is mounted on the position, center (guaranteeing that hoisting weight is evenly distributed on each air cushion module) of described lift heavy girder steel.
Described in this utility model, left and right column is equal and is provided with bearing diagonal between the two ends of corresponding side bottom longeron.
Left and right column described in this utility model is all to be made up of one or more snippets column joint；Described forward and backward fixed cross beam is all to be made up of (height of combined steel door frame and span can be adjusted flexibly, and substantially increase the scope of application and use flexibility ratio) according to the needs that concrete lift heavy object amasss size one or more snippets crossbeam joint.
Boom hoisting described in this utility model is any one in manual-control hoisting tool, air chain hoist, electrical hoist, bidirectional hydraulic jack or helical screw elevator.
This utility model is positioned at outside the base longerons of described left and right column lower end and has mounted a set of electronic walking in a horizontal state auxiliary device respectively: described electronic walking in a horizontal state auxiliary device is by mounting bracket, the planetary reducer coaxial with motor, the polyurethane rubber tire being sleeved on power output shaft, and for regulating the set screw composition of polyurethane rubber tire high and low position.More specifically, after described set screw is used for ensureing steel door frame Air Cushion Suspension, polyurethane rubber tire remains to contact with ground, and ensure there is suitable frictional force with ground, (when tonnage is relatively big or travel distance is longer, on the one hand the electronic walking in a horizontal state auxiliary device mounted can greatly reduce manpower consumption to promote the walking of combined steel door frame；On the other hand by changing the direction of advance (side polyurethane rubber tire advances, and side polyurethane rubber tire retreats) of both sides secondary row walking system, whole air cushion gantry crane can be easily accomplished turning function).
Operation principle of the present utility model is as follows:
Traditional gantry crane is combined by this utility model with novel air cushion technology, air cushion levitator is arranged on the front and back end, bottom of both sides bottom steel longeron in combined steel door frame, combination gantry crane is made to suspend, owing to frictional force when air suspension is slided is the least, can easily complete to move horizontally (when lift heavy is within 5 tons, can manually promote translation).Therefore, replace the running gear of tradition gantry crane with air cushion levitator after, this utility model has function and the suspension walking function vertically picking up workpiece simultaneously.
Further say, this utility model overlaps with left and right column, base longerons middle section in the longitudinal direction due to lift heavy girder steel, before and after homonymy, two air cushion modules are arranged symmetrically with for center line, so lift heavy girder steel is positioned at the middle of former and later two air cushion modules of homonymy with base longerons middle section in the longitudinal direction again；Boom hoisting is mounted on again the position, center of lift heavy girder steel simultaneously, and these guarantee that hoisting weight is uniformly supported on each air cushion module.In addition, lift heavy girder steel is combined with left and right column top composition simple beam structure by articulated manner, during lift heavy girder steel stress, moment of flexure, the problem that each air cushion module unbalance stress caused owing to weight directly acts on combined steel door frame can be prevented effectively from further will not be produced on left and right column.Just nearly identical due to each air cushion module stress, each air cushion module is again to be supplied by same compressed air gas source, so being easy to adjust the air demand of each air cushion module.
Technique effect of the present utility model is as follows:
This utility model has function and the suspension walking function vertically picking up workpiece simultaneously, can easily complete to move horizontally；This utility model eliminates walking system and the dedicated track of complexity, simplifies crane structure, alleviates crane weight, decrease and take up room, reduce the requirement to ground bearing pressure, is easily assembled, easily transports, saved cost；The combined steel door frame that this utility model uses has multiple using method, substantially increases the scope of application of crane and uses flexibility ratio.
As a example by the combination gantry crane of the small-sized 2.5 tons walkings that suspend, its technique effect shows:
1, from heavy and light, be easily assembled, easily transport: whole combination gantry crane, including combined steel door frame, air cushion levitator, manual-control hoisting tool, deadweight is less than 300 kilograms；The wherein weight of the parts such as lift heavy girder steel, crossbeam joint, column joint all only tens kilograms, need not hoisting machinery and help during assembling, manually can complete to assemble；Owing to major part is assembly, it is simple to demolition, installation and transport (transport in case can be contained in), assemble again after transporting to test chamber.
2, consume energy low, noise is little: power only needs 6 kilowatts of soundproof oil free air compressors, and this air compressor machine is commercially readily available, the free of air pollution of generation, clean, and set noise is the least, can use in teaching building.
3, footprint area is little, after the combination gantry crane of the walking that suspends assembles, only takes up 2.0m(length) x1.5m(width) x2,2m(be high) and space, when not using, be disassembled into single component and take up room less.Meanwhile, can be adjusted again height and the span of combined steel door frame by column joint and crossbeam joint, the needs amassing size according to concrete lift heavy object during use are adjusted flexibly, and substantially increase the scope of application and use flexibility ratio.
4, due to air cushion module be in suspended state time, frictional force when sliding is the least, combination gantry crane manpower can be leaned on to move toward any direction easily or rotate, be no longer needed for accordingly complexity walking system, make crane structure become the simplest.(when lift heavy is within 5 tons, can manually promote translation).
5, elevating capacity, tests prove that, only can be achieved with the elevating capacity of up to 3 tons by 6 kilowatts of air compressors, meets overwhelming majority test chamber and production in light industry needs.
6, the requirement to ground bearing pressure is low, it is only necessary to be the epoxy floor of generally horizontal degree, and this is overwhelming majority light industry Factory Building and the condition that can meet of laboratory.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of the combined steel door frame in this utility model.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the structural representation of the air cushion levitator in this utility model.
Fig. 6 is the structural representation that in this utility model, door frame steel column is increased.
Fig. 7 is the structural representation that in this utility model, door frame gooseneck is widened.
Fig. 8 is lift heavy girder steel and the connection diagram of left and right column in this utility model.
Fig. 9 is the left view of Fig. 8.
Figure 10 is that in this utility model, boom hoisting is view during manual-control hoisting tool.
Figure 11 is that in this utility model, boom hoisting is view during air chain hoist.
Figure 12 is that in this utility model, boom hoisting is view during electrical hoist.
Figure 13 is that in this utility model, boom hoisting is view during bidirectional hydraulic jack.
Figure 14 is that in this utility model, boom hoisting is view during helical screw elevator.
Figure 15 is this utility model view after installing electronic walking in a horizontal state auxiliary device additional.
Figure 16 is the left view of Figure 15.
Figure 17 is this utility model view when being used in series.
Sequence number in figure: 1, base longerons, 2, air cushion levitator, 2-1, air cushion module, 2-2, trachea, 2-3, compressed air gas source, 3, bearing diagonal, 4, left and right column, 5, electronic walking in a horizontal state auxiliary device, 5-1, mounting bracket, 5-2, motor, 5-3 planetary reducer, 5-4, polyurethane rubber tire, 5-5, set screw, 6, forward and backward fixed cross beam, 7-1, manual-control hoisting tool, 7-2, air chain hoist, 7-3, electrical hoist, 7-4, bidirectional hydraulic jack, 7-5, helical screw elevator, 8, lift heavy girder steel.
Detailed description of the invention
This utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Fig. 1～Fig. 9, the combination gantry crane of the walking that suspends in this utility model includes the combined steel door frame being provided with boom hoisting and is arranged on the air cushion levitator 2 bottom combined steel door frame；Described combined steel door frame includes that lower end is respectively arranged with the left and right column 4 of base longerons 1, in the way of being arranged in parallel and two ends all use affixed mode to be arranged on the forward and backward fixed cross beam 6 at left and right column 4 top, and between forward and backward fixed cross beam 6, two ends are combined with left and right column 4 top by articulated manner respectively and constitute the lift heavy girder steel 8(of simple beam structure and see Fig. 8, Fig. 9)；The center of gravity orthographic projection of described left and right column 4 center of gravity orthographic projection with both sides base longerons 1 respectively coincides, and the axis of described lift heavy girder steel 8 intersects vertically with the axis of forward and backward column 4；Described air cushion levitator 2 includes being separately mounted to air cushion module 2-1 described in four air cushion module 2-1(of front and back end bottom two base longerons 1 can use air cushion module any known, that be suitable for, air cushion module preferably with in Application No. CN2016201763739, the entitled air cushion module of dribbling coercive mechanism and the patent application of air cushion vehicle), and the compressed air gas source 2-3 being connected by trachea 2-2；It is positioned at before and after homonymy two air cushion module 2-1 to be arranged symmetrically with for center line with base longerons 1 middle section in the longitudinal direction, and described boom hoisting is mounted on the position, center (guaranteeing that hoisting weight is uniformly supported on each air cushion module) of described lift heavy girder steel 8.
Described in this utility model, left and right column 4 is equal and is provided with bearing diagonal 3(between the two ends of corresponding side bottom longeron 1 sees Fig. 4).
Left and right column 4 described in this utility model is all to be made up of one or more snippets column joint；Described forward and backward fixed cross beam 6 is all to be made up of (seeing Fig. 6, Fig. 7, the height of combined steel door frame and span to amass size according to concrete lift heavy object and be adjusted flexibly, substantially increase the scope of application and use flexibility ratio) one or more snippets crossbeam joint.
Boom hoisting described in this utility model is manual-control hoisting tool 7-1, any one (seeing Figure 10～Figure 16) in air chain hoist 7-2, electrical hoist 7-3, bidirectional hydraulic jack 7-4 or helical screw elevator 7-5.
A described left side it is positioned in this utility model, a set of electronic walking in a horizontal state auxiliary device 5 has been mounted respectively: described electronic walking in a horizontal state auxiliary device 5 is by mounting bracket 5-1 outside the base longerons 1 of right column 4 lower end, the planetary reducer 5-3 coaxial with motor 5-2, the polyurethane rubber tire 5-4 being sleeved on power output shaft, and for regulating the set screw 5-5 composition of polyurethane rubber tire high and low position, more specifically, after described set screw is used for ensureing steel door frame Air Cushion Suspension, polyurethane rubber tire 5-4 remains to contact with ground, and ensure there is suitable frictional force with ground, the walking of combined steel door frame is promoted (to see Figure 15, Figure 16, when tonnage is relatively big or travel distance is longer, on the one hand the electronic walking in a horizontal state auxiliary device mounted can greatly reduce manpower consumption；On the other hand by changing the direction of advance (side polyurethane rubber tire advances, and side polyurethane rubber tire retreats) of both sides secondary row walking system, whole air cushion gantry crane can be easily accomplished turning function).
Of the present utility model specifically used in the case of:
Usage one: lifted load is that little tonnage (less than 3 tons), stroke are when being less vertical stroke, boom hoisting can be selected for manual-control hoisting tool 7-1(and sees Figure 10) or air chain hoist 7-2(see Figure 11), concrete operations are: amass size according to concrete lift heavy object, assemble the combined steel door frame meeting height and span demand；Manual-control hoisting tool 7-1 or air chain hoist 7-2 is mounted on the position, middle of lift heavy girder steel 8 (if use air chain hoist 7-2, a compressed air gas source 2-3 can be shared with air cushion module 2-1, because both need not supply simultaneously, be independent of each other, cost-effective).Compressed air gas source use 6 kilowatts of oil-free mute compressors, air demand be about 0.9 cube per minute, 4 atm higher of continuous supply gas pressure, combination gantry crane just can float easily.When air cushion module supplies continuous uniform, when forming stable suspension, in epoxy floor, only need the strength of a people can promote crane, it is achieved move horizontally or rotate；If two people, longer distance (such as tens meters) can be moved.
Owing to need not dedicated track, take occupy a narrow space (about about 1.5 square metres), simultaneously used by compressed air gas source power little, quiet, be well suited in test chamber and teaching building using (seeing Fig. 2).
Usage two: lifted load is tonnage (10 tons～30 tons), stroke when being bigger vertical stroke, boom hoisting change into electrical hoist 7-3 can (seeing Figure 12), other specifically used with operation with the combination gantry crane of above-mentioned 2.5 tons of lifted loads.
Usage three: lifted load is middle large-tonnage, stroke when being less vertical stroke, boom hoisting change into bidirectional hydraulic jack 7-4 can (seeing Figure 13), other specifically used with operation with the combination gantry crane of above-mentioned little tonnage lifted load.
Usage four: lifted load is that middle large-tonnage, stroke are when being less vertical stroke, boom hoisting changes helical screw elevator 7-5(into and sees Figure 14, available motor or air motor drive), other is specifically used and operates the combination gantry crane with above-mentioned little tonnage lifted load.
Usage five: when lift heavy relatively big (such as more than 5 tons) or running distance longer (such as more than tens meters), connector (supporting bolt, nut and flanged plate) can be passed through in the outside of two bottom steel longerons 1 and mount a set of electronic walking in a horizontal state auxiliary device 5 respectively.I.e. by mounting bracket 5-1, the planetary reducer 5-3 coaxial with motor 5-2, the polyurethane rubber tire 5-4 being sleeved on power output shaft, and for regulating set screw 5-5 of polyurethane rubber tire high and low position, after i.e. ensureing steel door frame Air Cushion Suspension, polyurethane rubber tire 5-4 remains to contact with ground, and ensures there is suitable frictional force with ground, promotes combined steel door frame walking (seeing Figure 15, Figure 16).
Usage six: the combination gantry crane of the walking that suspends of the present utility model is in addition to can using with single rack, as required two framves or multi rack tandem can also be applied in combination: i.e. by connector (supporting bolt, nut and flanged plate), the termination of the combination gantry crane respective side bottom steel longeron 1 of tandem is connected as one, for longer work piece hoisting and transport (seeing Figure 17).
Claims (5)
1. the combination gantry crane of the walking that suspends, it is characterised in that: it includes the combined steel door frame being provided with boom hoisting and is arranged on the air cushion levitator (2) bottom combined steel door frame；Described combined steel door frame includes that lower end is respectively arranged with the left and right column (4) of base longerons (1), in the way of being arranged in parallel and two ends all use affixed mode to be arranged on the forward and backward fixed cross beam (6) at left and right column (4) top, and be positioned between forward and backward fixed cross beam (6), two ends are combined with left and right column (4) top by articulated manner respectively and constitute the lift heavy girder steel (8) of simple beam structure；The center of gravity orthographic projection of described left and right column (4) center of gravity orthographic projection with both sides base longerons (1) respectively coincides, and the axis of described lift heavy girder steel (8) intersects vertically with the axis of left and right column (4)；Described air cushion levitator (2) includes four air cushion modules (2-1) being separately mounted to front and back end, two base longerons (1) bottoms, and the compressed air gas source (2-3) being connected by trachea (2-2)；Being positioned at before and after homonymy two air cushion modules (2-1) with base longerons (1) middle section in the longitudinal direction is that center line is arranged symmetrically with, and described boom hoisting is mounted on the position, center of described lift heavy girder steel (8).
The combination gantry crane of the walking that suspends the most according to claim 1, it is characterised in that: all and between the two ends of corresponding side bottom longeron (1), it is provided with bearing diagonal (3) described left and right column (4).
The combination gantry crane of the walking that suspends the most according to claim 1, it is characterised in that: described left and right column (4) is all to be made up of one or more snippets column joint；Described forward and backward fixed cross beam (6) is all that one or more snippets crossbeam joint is constituted.
The combination gantry crane of the walking that suspends the most according to claim 1, it is characterised in that: described boom hoisting is any one in manual-control hoisting tool (7-1), air chain hoist (7-2), electrical hoist (7-3), bidirectional hydraulic jack (7-4) or helical screw elevator (7-5).
The combination gantry crane of the walking that suspends the most according to claim 1, it is characterized in that: mounted a set of electronic walking in a horizontal state auxiliary device (5) respectively in base longerons (1) outside being positioned at described left and right column (4) lower end: described electronic walking in a horizontal state auxiliary device (5) is by mounting bracket (5-1), the planetary reducer (5-3) coaxial with motor (5-2), the polyurethane rubber tire (5-4) being sleeved on power output shaft, and for regulating set screw (5-5) composition of polyurethane rubber tire high and low position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315225.0U CN205472281U (en) | 2016-04-15 | 2016-04-15 | Composite door formula crane of suspension walking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315225.0U CN205472281U (en) | 2016-04-15 | 2016-04-15 | Composite door formula crane of suspension walking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205472281U true CN205472281U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620315225.0U Expired - Fee Related CN205472281U (en) | 2016-04-15 | 2016-04-15 | Composite door formula crane of suspension walking |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645260A (en) * | 2016-04-15 | 2016-06-08 | 桑大勇 | Suspended walking combined gantry crane |
| CN109986677A (en) * | 2018-01-02 | 2019-07-09 | 盈创建筑科技（上海）有限公司 | Rack Structure of Orbital Field 3D Construction Printer |
-
2016
- 2016-04-15 CN CN201620315225.0U patent/CN205472281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645260A (en) * | 2016-04-15 | 2016-06-08 | 桑大勇 | Suspended walking combined gantry crane |
| CN109986677A (en) * | 2018-01-02 | 2019-07-09 | 盈创建筑科技（上海）有限公司 | Rack Structure of Orbital Field 3D Construction Printer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |