CN207498823U - A kind of hanger radial type bridge inspection car for avoiding lamp stand - Google Patents
A kind of hanger radial type bridge inspection car for avoiding lamp stand Download PDFInfo
- Publication number
- CN207498823U CN207498823U CN201721572702.2U CN201721572702U CN207498823U CN 207498823 U CN207498823 U CN 207498823U CN 201721572702 U CN201721572702 U CN 201721572702U CN 207498823 U CN207498823 U CN 207498823U
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- Prior art keywords
- hanger
- lamp stand
- movable upper
- lifting rope
- bridge
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Abstract
A kind of hanger radial type bridge inspection car for avoiding lamp stand, including chassis（1）With c-type hanger（2）, c-type hanger（2）Including closing device（3）, hanger montant（16）With hanger bottom end rail（17）, hanger montant（16）Upper end and closing device（3）It is affixed, hanger montant（16）Lower end and hanger bottom end rail（17）One end is affixed, hanger bottom end rail（17）On at least provided with a lifting rope suspension centre（18）Or lifting rope draw off gear, the suspension centre of lifting rope（18）Or lifting rope draw off gear passes through lifting rope and workbench（5）One end suspension centre is connected, closing device（3）With crossbeam（7）It is hinged.Upright lamp stand can be avoided（6）So that the c-type hanger（2）It can be to pass through the outermost upright lamp stand of bridge（6）；Meanwhile c-type hanger（2）Light-weight, on-site hoisting difficulty is small, workbench when tool car is run（5）Shaking amplitude is small.
Description
Technical field
The utility model is related to a kind of bridge machinery and maintenance construction equipment, more specifically to one kind can avoid lamp stand
Hanger radial type bridge inspection car, belong to bridge structure maintenance engineering technical field.
Background technology
With the fast development of China's Transportation Infrastructure Construction, bridge quantity increases severely with day, bridge machinery and maintenance workers
Increase year by year, it is therefore desirable to a large amount of bridge-checking vehicle or special maintenance device.Common bridge inspection vehicle is in vehicle chassis
It is upper to be unfolded workbench reaching bridge bottom surface by motor-driven arm, provide job platform for bridge bottom surface.This kind of vehicle volume is big, work
Bridge floor runway need to be occupied when making, influences traffic；And it is only applicable to beam bridge mostly, and when there is drag-line in bridge side, tension cable
Blocking, the motor-driven arm for detecting vehicle are not easy workbench being stretched over bridge bottom surface.The drag-line bridge that can not be used for bridge-checking vehicle or
Large bridge, construction department require specially to set moveable steel construction workbench in bridge bottom, and this platform cost is not
Phenanthrene is placed in outdoor, over time itself there is also security risks.
The applicant proposes number of patent application on April 17th, 2012 to State Intellectual Property Office
201210112527.4, it is entitled《A kind of hanger radial type bridge inspection car》Patent application.It is hung in the patent application
Frame radial type bridge inspection car is made of the chassis of 4 wheels of band with the c-type hanger that can be extended on the outside of bridge, and c-type hanger is by upper
Crossbeam, montant and bottom end rail are formed, and the lower end of one end of upper beam and the upper end of montant, one end of bottom end rail and montant is solid respectively
Knot, the other end of upper beam and the chassis of tool car are directly hinged；Or the other end of upper beam consolidates one section of downward short column, it is short
The lower end of column and the chassis of tool car are hinged.The other end of bottom end rail provides suspension centre for the workbench below bridge.The maintenance
Vehicle makes lightly, two one group, is arranged on the pavement of bridge both sides and walks, do not account for runway, to bridge deck traffic shadow
Sound is small, is finished rear detachable Gui Cang.
In order to which this detection vehicle to be had to the drag-line bridge of barrier applied to bridge floor both sides, the applicant is again in 2012 7
Months 24 days to State Intellectual Property Office propose number of patent application for 201210257144.6, it is entitled《It is a kind of to avoid
The hanger radial type bridge inspection car of bridge side obstacle》Patent application, the tool car c-type hanger of aforementioned tool car is carried out with
Lower transformation：First cancel upper beam, increase a longeron newly the position at connection upper beam both ends is each, wherein a longeron on montant
End consolidation, another longeron are hinged with maintenance chassis or are consolidated with short column upper end；If it is set up between two newly-increased longerons again
The alternate movable crossbeam discharged side by side before and after dry root connects this two newly-increased longerons using more crossbeams；Movable crossbeam
May be used telescopic construction, the fixing end of every moved cross beam is consolidated with wherein one newly-increased longeron, allow telescopic end with another
The corresponding lateral socket bore connection set on newly-increased longeron.When moved cross beam corresponding in bridge inspection car traveling process is by bridge side
When drag-line or the lamp stand blocking in face, the telescopic end for the crossbeam being blocked out of lateral socket bore can be extracted out, make stretching for telescopic end
Contracting section retracts avoiding obstacles, after Awaiting Overhaul garage walks to make the crossbeam to clear the jumps, then telescopic end is stretched out and is reinserted
In socket bore, all crossbeams avoid the drag-line of bridge floor both sides or lamp stand by alternately folding, certain root crossbeam ensures there is it after disconnecting
C-type hanger is linked to be entirety by its crossbeam.It is tested by sample car, realizes tool car and walk on the pavement of bridge both sides, pass through
The alternating folding of crossbeam, can avoid the drag-line and lamp stand of cable-stayed bridge both sides, which hands over bridge floor when running operation
Logical influence is small.
But find that improved tool car there is problems in engineering practice：1st, the tool car is oblique in order to cross
The suspension cable of bridge is drawn, the movable crossbeam on c-type hanger need to be spaced enough distances, at least set 3 crossbeams and just can ensure that normally
Work, corresponding two newly-increased longerons set longer；When bridge both sides pavement is more than 2m from the Edge Distance on the outside of bridge floor,
Movable crossbeam also sets longer.As a result the c-type hanger of tool car is made not only big but also stupid, need to use during in-site installation tool car big
The crane of tonnage occupies two tracks, and hoisting difficulty is big, the used time is more, and tool car installation influences bridge deck traffic big.2nd, tool car C
Type hanger is heavy, the workbench hung under hanger and hanger is also made to form a top-heavy system, when tool car is run
Workbench shaking amplitude is big, influences staff's normal operation.If the 3, the moved cross beam of c-type hanger uses telescopic configuration,
When crossbeam telescopic end is extracted out out of corresponding lateral socket bore to be disengaged, find the abrupt release that crossbeam disconnects internal force make hanger and
Platform generates larger vertical motion.
Invention content
The purpose of this utility model is that it cannot be used for having on the outside of bridge floor for existing hanger radial type bridge inspection car
The hanger radial type bridge inspection car of the bridge or avoidance bridge side obstacle of drag-line or lamp stand is the drag-line that can be avoided on the outside of bridge floor
Or lamp stand causes C-shaped hanger to be made excessively heavy the problems such as influencing to use, and provides a kind of hanger radial type bridge for avoiding lamp stand
Beam tool car.
To achieve the above object, institute is the utility model using technical solution：A kind of hanger hinge for avoiding lamp stand
Formula bridge inspection car is connect, including chassis and the c-type hanger on the outside of bridge can be extended to, the chassis includes crossbeam and sets respectively
Two pairs of wheels in the preceding bottom of crossbeam and rear bottom, front and rear two pairs of wheels pass through two longitudinal axis by two wheel stands respectively
Pin is hinged with crossbeam, and the c-type hanger includes closing device, hanger montant and hanger bottom end rail, the hanger montant
Upper end is affixed with closing device, and hanger montant lower end and hanger bottom end rail one end are affixed, are at least set on the hanger bottom end rail
It puts there are one the suspension centre of lifting rope or lifting rope draw off gear, the suspension centre or lifting rope draw off gear of the lifting rope pass through lifting rope and work
Platform one end suspension centre is connected, and the closing device is hinged with crossbeam.
The closing device includes hanger longeron, two movable upper beams and chassis member, the hanger longeron and exists
Intermediate point and hanger montant upper end are affixed, and the short column upper end that the chassis member stretches out among intermediate point and crossbeam passes through horizontal stroke
It is hinged to pivot pin, one end of described two movable upper beams is respectively arranged with vertical pin hole, this two movable upper beams point
It is not hinged by the both ends of vertical pivot pin and hanger longeron, the other end of two movable upper beams is respectively arranged with aperture downward
Movable upper beam socket bore, the chassis member both ends are respectively arranged with the chassis member socket bore of aperture upward, which indulges
The chassis member socket bore at beam both ends is corresponding with the movable upper beam socket bore on two movable upper beams respectively, and chassis member nest
It is provided in hole and adds discharge mechanism.
Described plus discharge mechanism includes the vertical bolt and jack that from top to bottom set, the vertical bolt bottom
It is connected with jack piston end.
Compared with prior art, the beneficial effects of the utility model are：
1st, the c-type hanger in the utility model includes closing device, hanger montant and hanger bottom end rail, closing device
Including hanger longeron, two movable upper beams and chassis member, this two movable upper beams can avoid upright lamp stand so that
The c-type hanger can be to pass through the outermost upright lamp stand of bridge, and the c-type hanger with evading drag-line in the prior art at least needs 3
Root moved cross beam is compared, and reduces the length of c-type hanger upper longitudinal beam and the quantity of moved cross beam, alleviates the weight of c-type hanger；
Meanwhile c-type hanger is light-weight, on-site hoisting difficulty is small, the system of workbench composition hung under c-type hanger and c-type hanger
Stability is good, and workbench shaking amplitude is small when tool car is run.
2nd, in the utility model the chassis member socket bore at the chassis member both ends of the closing device of c-type hanger respectively with two
Movable upper beam socket bore on movable upper beam is corresponding, and is provided in chassis member socket bore and adds discharge mechanism, so as to avoid
Vibration is generated during two movable upper beam foldings, and then avoids the operation for influencing workbench staff.
Description of the drawings
Fig. 1 is the positive elevational schematic view of the utility model.
Fig. 2 is the utility model side elevation schematic diagram.
Fig. 3 the utility model avoids lamp stand course of work schematic diagram one.
Fig. 4 the utility model avoids lamp stand course of work schematic diagram two.
Fig. 5 the utility model avoids lamp stand course of work schematic diagram three.
Fig. 6 the utility model avoids lamp stand course of work schematic diagram four.
Fig. 7 the utility model avoids lamp stand course of work schematic diagram five.
Fig. 8 the utility model avoids lamp stand course of work schematic diagram six.
Fig. 9 the utility model avoids lamp stand course of work schematic diagram seven.
Figure 10 the utility model avoids lamp stand course of work schematic diagram eight.
Figure 11 the utility model avoids lamp stand course of work schematic diagram nine.
Figure 12 the utility model avoids lamp stand course of work schematic diagram ten.
In figure, chassis 1, c-type hanger 2, closing device 3 adds discharge mechanism 4, workbench 5, lamp stand 6, crossbeam 7, wheel
8, wheel stand 9, longitudinal pivot pin 10, track 11, lateral pivot pin 12, chassis member 13, chassis member socket bore 14, short column 15 hangs
Frame montant 16, hanger bottom end rail 17, suspension centre 18, movable upper beam 19, hanger longeron 20, vertical pivot pin 21, movable upper beam nest
Hole 22, locking latch 23, vertical bolt 24, jack 25, railing 26, bridge floor 27.
Specific embodiment
The utility model is described in further detail below in conjunction with description of the drawings and specific embodiment.
Referring to Fig. 1 to Fig. 2, a kind of hanger radial type bridge inspection car for avoiding lamp stand including chassis 1 and can extend to bridge
C-type hanger 2 on the outside of beam.
Referring to Fig. 1 to Fig. 2, the chassis 1 includes crossbeam 7 and is separately positioned on the two of 7 preceding bottom of crossbeam and rear bottom
To wheel 8, which is hinged respectively by two wheel stands 9 by two longitudinal pivot pins 10 with crossbeam 7.Vehicle
Wheel 8 can directly walk on bridge floor 27, walk on the track 11 that can also be laid on bridge floor 27.
Referring to Fig. 1 to Fig. 2, the c-type hanger 2 includes closing device 3, hanger montant 16 and hanger bottom end rail 17, institute
16 upper end of hanger montant stated and closing device 3 are affixed, and 16 lower end of hanger montant and 17 one end of hanger bottom end rail are affixed, described
Closing device 3 is hinged with crossbeam 7；It is received on the hanger bottom end rail 17 at least provided with the suspension centre 18 or lifting rope of a lifting rope
Device is put, the suspension centre 18 or lifting rope draw off gear of the lifting rope are connected by lifting rope with 5 one end suspension centre of workbench.
Referring to Fig. 1 to Fig. 2, the closing device 3 includes the movable upper beam 19 of hanger longeron 20, two and chassis member
13, described two movable upper beams 19 are isometric；The hanger longeron 20 is affixed in intermediate point and 16 upper end of hanger montant, institute
15 upper end of short column that the chassis member 13 stated stretches out among intermediate point and crossbeam 7 is hinged by lateral pivot pin 12.Described two
One end of root activity upper beam 19 is respectively arranged with vertical pin hole, this two movable upper beams 19 pass through vertical pivot pin 21 respectively
It is hinged with the both ends of hanger longeron 20；Allow the opposite hanger longeron 20 of two activity upper beams 19 around vertical pivot pin 21 in water
It is swung in plane.The other end of two movable upper beams 19 is respectively arranged with aperture movable upper beam socket bore 22 directed downwardly, when two
Root activity upper beam 19 swing to the inside of hanger longeron 20 and it is vertical with the axis of hanger longeron 20 when, in hanger longeron 20
Locking latch 23 is set respectively with two movable 19 contacts site of upper beam；When certain root locking latch 23 is inserted into, corresponding work
Dynamic upper beam 19 is locked, and is secured between the activity upper beam 19 and hanger longeron 20；When locking latch 23 is extracted, the work
It is dynamic to become hinged between upper beam 19 and hanger longeron 20 again；When two movable upper beams 19 be locked bolt 23 lock when,
Two movable upper beams 19 are mutually parallel, and the clear spacing requirement between two movable upper beams 19 is slightly larger than the diameter of lamp stand 6.Institute
The chassis member 13 stated is located at above-mentioned two movable upper beams 19 and is locked its beam-ends activity upper beam socket bore when locking of bolt 23
22 underface, 13 both ends of chassis member are respectively arranged with the chassis member socket bore 14 of aperture upward, the chassis member
14 position of chassis member socket bore at 13 both ends is corresponding with the movable upper beam socket bore 22 on two movable upper beams 19 respectively；And
It is provided in chassis member socket bore 14 and adds discharge mechanism 4.
Referring to Fig. 1 to Fig. 2, described adds discharge mechanism 4 to include the vertical bolt 24 from top to bottom set and jack 25,
24 bottom of vertical bolt is connected with 25 piston end of jack.When the vertical bolt 24 of the piston driving of jack 25 is inserted into
When in movable upper beam socket bore 22, by the coupling between vertical bolt 24 and movable upper beam socket bore 22, by movable upper beam
19 are connected with chassis member 13, and vertical bolt 24 is held out against the loading realized to movable upper beam 19 by jack 25；When thousand
Vertical bolt 24 out of movable upper beam socket bore 22 is extracted during the 25 pistons recycling of jin top, makes movable upper beam 19 and chassis member
13 are disconnected and realize the unloading of movable upper beam 19.Using adding discharge mechanism 4 that can realize movable upper beam 19 and chassis
The connection or disengagement of longeron 13, and load or unload is realized to movable upper beam 19.
Referring to Fig. 2 to Figure 12, the process that this tool car crosses lamp stand 6 on the outside of bridge is as follows：When this tool car is in bridge floor 27
During upper walking, referring to Fig. 2, the movable upper beam 19 being arranged in front of tool car is referred to as front beam below, in another activity
Crossbeam 19 is referred to as rear cross beam, and the locking latch 23 of front beam and rear cross beam adds the vertical of discharge mechanism 4 in pin hole at this time
For bolt 24 in movable upper beam socket bore 22, two movable upper beams 19 are in stress.When tool car is walked close to bridge
Lamp stand 6 needs more out-of-date on the outside of beam, and referring to Fig. 3 to Fig. 4, piston is recycled to front beam plus in discharge mechanism 4 jack 25,
Vertical bolt 24 is made to extract the movable upper beam socket bore 22 at front beam end, the locking latch 23 of the front beam other end is released, before making
Crossbeam horizontally outward side oscillation to along bridge to.Tool car 6 direction of lamp stand movement outward makes front beam cross outside lamp stand 6, until
Outside lamp stand 6 and rear cross beam close to when stop, referring to Fig. 5.Front beam is swung to original position, is inserted into front beam locking latch 23, referring to
Fig. 6.Vertical bolt 24 is inserted into the movable upper beam socket bore at front beam end by front beam plus in discharge mechanism 4 jack 25
22 make front beam stress, referring to Fig. 7.Referring to Fig. 8 to Fig. 9, rear cross beam plus in discharge mechanism 4 jack 25 is recycled and is lived
Plug makes vertical bolt 24 extract the movable upper beam socket bore 22 at rear cross beam end, releases the locking latch 23 of the rear cross beam other end, makes
Rear cross beam horizontally outward side oscillation to along bridge to.Tool car forward movement makes rear cross beam stop after crossing outside lamp stand 6, referring to figure
10.Rear cross beam is swung to original position, rear cross beam locking latch 23 is inserted into, referring to Figure 11.By rear cross beam plus in discharge mechanism 4 thousand
The movable upper beam socket bore 22 that vertical bolt 24 is inserted into rear cross beam end by jin top 25 makes rear cross beam stress, referring to Figure 12, tool car
Entirety crosses lamp stand 6 on the outside of bridge.
Referring to Fig. 1 to Fig. 2,27 both sides of bridge floor are arranged in for one group during this maintenance vehicle overhauling with two, tool car
Chassis 1 is respectively erected in the inside of 27 both sides lamp stand 6 of bridge floor, and the c-type hanger 2 of each tool car is to cross the hanging of bridge bottom surface
5 both ends of workbench provide suspension centre 18 so that two tool cars combine to form a set of bridge movement maintenance with a subtask platform 5
Device.The movable upper beam 19 of two of the C-shaped hanger 2 of this tool car can avoid upright lamp stand 6, two movable upper beams 19
It is hinged with the outer part of choosing of c-type hanger 2 using vertical pivot pin 21, has outside lamp stand 6 for bridge both sides, pass through two activities
The alternating folding of upper beam 19 come avoid outside lamp stand 6.And the bridge inspection car of lamp stand can be crossed only with horizontal in two activities
Beam 19, and the simple structure of movable upper beam 31, c-type hanger 2 is light-weight, and integral manufacturing is light and handy, tool car on-site hoisting difficulty
Small, scene transhipment lifting is convenient, and 5 shaking amplitude of workbench is small when tool car is run.Discharge mechanism 4 is added to be located at chassis 1 just
Top does not generate unfavorable lateral tilting moment around longitudinal pivot pin 10 to c-type hanger 2, and discharge mechanism 4 is added to avoid two work
Cause the vibration of tool car during dynamic 19 folding of upper beam.Meanwhile the folding end of movable upper beam 19 is using movable upper beam socket bore
22 with the mode that is of coupled connections of vertical bolt 24 so that connection is one with loading and two, movable upper beam 19 connection and break
Caused vibration during movable 19 folding of upper beam is reduced in open procedure.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace, above structure can also be made
The scope of protection of the utility model should be all considered as belonging to.
Claims (3)
1. a kind of hanger radial type bridge inspection car for avoiding lamp stand, including chassis（1）It is hung with the c-type that can be extended on the outside of bridge
Frame（2）, the chassis（1）Including crossbeam（7）And it is separately positioned on crossbeam（7）Preceding bottom and two pairs of wheels of rear bottom（8）,
Front and rear two pairs of wheels（8）Respectively by two wheel stands（9）Pass through two longitudinal pivot pins（10）With crossbeam（7）It is hinged,
It is characterized in that：The c-type hanger（2）Including closing device（3）, hanger montant（16）With hanger bottom end rail（17）, it is described
Hanger montant（16）Upper end and closing device（3）It is affixed, hanger montant（16）Lower end and hanger bottom end rail（17）One end is affixed, institute
The hanger bottom end rail stated（17）On at least provided with a lifting rope suspension centre（18）Or lifting rope draw off gear, the lifting rope are hung
Point（18）Or lifting rope draw off gear passes through lifting rope and workbench（5）One end suspension centre is connected, the closing device（3）With it is big
Beam（7）It is hinged.
2. a kind of hanger radial type bridge inspection car for avoiding lamp stand according to claim 1, it is characterised in that：Institute
The closing device stated（3）Including hanger longeron（20）, two pieces movable upper beams（19）And chassis member（13）, the hanger indulges
Beam（20）In intermediate point and hanger montant（16）Upper end is affixed, the chassis member（13）In intermediate point and crossbeam（7）It is intermediate
The short column of stretching（15）Upper end passes through lateral pivot pin（12）It is hinged, described two movable upper beams（19）One end set respectively
There is vertical pin hole, this two movable upper beams（19）Pass through vertical pivot pin respectively（21）With hanger longeron（20）Both ends mutually cut with scissors
It connects, two movable upper beams（19）The other end be respectively arranged with aperture movable upper beam socket bore directed downwardly（22）, the bottom
Disk longeron（13）Both ends are respectively arranged with the chassis member socket bore of aperture upward（14）, the chassis member（13）It indulges on the chassis at both ends
Hitch hole（14）Respectively with two movable upper beams（19）On movable upper beam socket bore（22）It is corresponding, and chassis member socket bore
（14）It is inside provided with and adds discharge mechanism（4）.
3. a kind of hanger radial type bridge inspection car for avoiding lamp stand according to claim 2, it is characterised in that：It is described
Plus discharge mechanism（4）Including the vertical bolt from top to bottom set（24）And jack（25）, the vertical bolt（24）
Bottom and jack（25）Piston end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572702.2U CN207498823U (en) | 2017-11-22 | 2017-11-22 | A kind of hanger radial type bridge inspection car for avoiding lamp stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572702.2U CN207498823U (en) | 2017-11-22 | 2017-11-22 | A kind of hanger radial type bridge inspection car for avoiding lamp stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207498823U true CN207498823U (en) | 2018-06-15 |
Family
ID=62505704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572702.2U Withdrawn - After Issue CN207498823U (en) | 2017-11-22 | 2017-11-22 | A kind of hanger radial type bridge inspection car for avoiding lamp stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207498823U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881908A (en) * | 2017-11-22 | 2018-04-06 | 武大巨成结构股份有限公司 | A kind of suspension bracket radial type bridge inspection car for avoiding lamp stand |
| CN112359731A (en) * | 2020-11-05 | 2021-02-12 | 江苏省交通工程集团有限公司 | Movable hanging basket device for concrete tie rod of tied arch bridge |
| CN113174861A (en) * | 2021-04-28 | 2021-07-27 | 深圳市文业照明实业有限公司 | Bridge lighting system installs carrier |
-
2017
- 2017-11-22 CN CN201721572702.2U patent/CN207498823U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881908A (en) * | 2017-11-22 | 2018-04-06 | 武大巨成结构股份有限公司 | A kind of suspension bracket radial type bridge inspection car for avoiding lamp stand |
| CN112359731A (en) * | 2020-11-05 | 2021-02-12 | 江苏省交通工程集团有限公司 | Movable hanging basket device for concrete tie rod of tied arch bridge |
| CN113174861A (en) * | 2021-04-28 | 2021-07-27 | 深圳市文业照明实业有限公司 | Bridge lighting system installs carrier |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180615 Effective date of abandoning: 20220302 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180615 Effective date of abandoning: 20220302 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |