CN106081987A - A kind of underloading Lever Blocks and arrestment mechanism thereof - Google Patents
A kind of underloading Lever Blocks and arrestment mechanism thereof Download PDFInfo
- Publication number
- CN106081987A CN106081987A CN201610563936.4A CN201610563936A CN106081987A CN 106081987 A CN106081987 A CN 106081987A CN 201610563936 A CN201610563936 A CN 201610563936A CN 106081987 A CN106081987 A CN 106081987A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- handwheel
- underloading
- arrestment mechanism
- wheel
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 239000011324 bead Substances 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 15
- 239000012634 fragment Substances 0.000 claims description 11
- 240000009087 Crescentia cujete Species 0.000 claims 1
- 235000005983 Crescentia cujete Nutrition 0.000 claims 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/023—Cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
Abstract
The invention discloses a kind of underloading Lever Blocks arrestment mechanism, including chain hoist wheel, chain hoist wheel is socketed on major axis, brake disc it is fixedly connected with on major axis, ratchet it is socketed with in brake disc, commutation ratchet it is socketed with on major axis, connecting on commutation ratchet has hands to take turns, positioning seat it is fixed with inside handwheel, positioning seat is connected with wheel in handwheel by spring positioning bead, handwheel has handwheel spring with being connected between wheel in handwheel, ratchet is provided with looping pit on the contact surface of commutation ratchet, runner it is provided with in looping pit, several the first ventilation slots being parallel to each other it are provided with between bottom surface and the runner of ratchet, several the second ventilation slots being parallel to each other it are provided with on runner, the angle of the first ventilation slot and the second ventilation slot is 20 °～40 °, it is provided with and the pin of looping pit selectivity grafting on commutation ratchet, pin coordinates with turning wheel interval.The present invention can improve the deficiencies in the prior art, reduces the heat fade problem of arrestment mechanism, improves the release uniformity of brake force.
Description
Technical field
The present invention relates to a kind of mechanical hoisting mechanism, especially a kind of underloading Lever Blocks and arrestment mechanism thereof.
Background technology
Lever Blocks is that a use is simple, Manual hoisting instrument easy to carry.Lever Blocks can carry out promoting, leading
Draw, decline, the operation such as calibration.Lifting capacity is usually no more than 50T, be widely used in shipbuilding, electric power, transport, build, mine,
The equipment of the industries such as post and telecommunications is installed, article lifting, parts tractive etc..
At present, general Lever Blocks brake unit is due to structure, in the feelings less than rated load 10% or zero load
Under condition, it may appear that load or the phenomenon of load free fall brake failure can not be mentioned, here it is the underloading characteristic of Lever Blocks,
Certain defect is there is owing to this feature Lever Blocks uses in certain circumstances.
Chinese utility model patent CN 204569272U discloses a kind of underloading Lever Blocks and arrestment mechanism thereof, it is achieved
Underloading or unloaded time slinging work.But, this brake structure heat fade is fairly obvious, brake force release inequality
Even.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of underloading Lever Blocks and arrestment mechanism thereof, it is possible to solve prior art
Deficiency, reduce the heat fade problem of arrestment mechanism, improve the release uniformity of brake force.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
A kind of underloading Lever Blocks arrestment mechanism, including chain hoist wheel, chain hoist wheel is socketed on major axis, fixing on major axis
Connecting and have brake disc, brake disc is socketed with ratchet, major axis is socketed with commutation ratchet, commutation ratchet connects handwheel, hands
Being fixed with positioning seat inside wheel, positioning seat is connected with wheel in handwheel by spring positioning bead, and handwheel is connected between wheel with in handwheel
Handwheel spring, ratchet is had to be provided with looping pit on the contact surface of commutation ratchet, be provided with runner in looping pit, the bottom surface of ratchet
And being provided with several the first ventilation slots being parallel to each other between runner, runner is provided with several are parallel to each other second is led to
Wind groove, the angle of the first ventilation slot and the second ventilation slot is 20 °～40 °, commutation ratchet is provided with and inserts with looping pit selectivity
The pin connect, pin coordinates with turning wheel interval.
As preferably, the surface of described pin is evenly arranged with several axial diversion grooves, adjacent axial diversion groove it
Between be provided with bypass slot, bypass slot and the second ventilation slot and be parallel to each other.
As preferably, the ratchet side of brake disc is provided with endless metal shell fragment, endless metal shell fragment and annular
Hole is connected, and pin contacts with the extruding of endless metal shell fragment selectivity, is provided with axial pod apertures in pin, and pod apertures is passed through
Capillary tube connects with axial diversion groove.
As preferably, described brake disc is provided with rough layer on the contact surface of endless metal shell fragment, the bottom of rough layer
Being provided with oven wire mesh blanket, the bottom of oven wire mesh blanket is provided with ventilation duct.
As preferably, the surface configuration of the brake disc contacted with ratchet bottom surface has rubber bumps portion, the top in rubber bumps portion
Portion is provided with bulb, and the bottom in rubber bumps portion is provided with groove, bulb and the first ventilation slot selectivity grafting and coordinates.
As preferably, described positioning seat being vertically arranged with slide rail, sliding in slide rail is provided with trigonal slider, triangle
Being connected between slide block with slide rail and have buffer spring, spring positioning bead contacts with trigonal slider, the bottom of trigonal slider with
Handwheel spring interface touches.
A kind of underloading Lever Blocks, including above-mentioned underloading Lever Blocks arrestment mechanism.
What employing technique scheme was brought has the beneficial effects that: the present invention is by improving ratchet, commutation ratchet and system
The CONTACT WITH FRICTION structure of Moving plate, not only increases the radiating effect of whole frictional contact surface, reduces heat fade effect, Er Qietong
Cross multi-level brake force release, the heat fade impact for the brake force release uniformity can be effectively reduced.
Accompanying drawing explanation
Fig. 1 is the structure chart of one detailed description of the invention of the present invention.
Fig. 2 is ratchet and the structure chart of commutation ratchet contact position in one detailed description of the invention of the present invention.
Fig. 3 is the sectional view of pin in one detailed description of the invention of the present invention.
Fig. 4 is the structure chart in rubber bumps portion in one detailed description of the invention of the present invention.
Fig. 5 is brake disc and the structure chart of ratchet contact position in one detailed description of the invention of the present invention.
Fig. 6 is the structure chart of positioning seat in one detailed description of the invention of the present invention.
In figure: 1, chain hoist wheel；2, major axis；3, brake disc；4, ratchet；5, commutation ratchet；6, handwheel；7, positioning seat；8、
Handwheel spring；9, wheel in handwheel；10, spring positioning bead；11, looping pit；12, runner；13, the first ventilation slot；14, second ventilates
Groove；15, pin；16, axial diversion groove；17, bypass slot；18, rubber bumps portion；19, bulb；20, groove；21, endless metal
Shell fragment；22, pod apertures；23, capillary tube；24, rough layer；25, oven wire mesh blanket；26, ventilation duct；27, trigonal slider；28、
Slide rail；29, buffer spring.
Detailed description of the invention
The standardized element that uses in the present invention all can commercially, shaped piece according to description and accompanying drawing
Record all can carry out customized, and the concrete connected mode of each part all uses the bolt of maturation, rivet, weldering in prior art
Connect, the conventional means such as stickup, be not described in detail in this.
With reference to Fig. 1-6, one detailed description of the invention of the present invention includes that chain hoist wheel 1, chain hoist wheel 1 are socketed on major axis 2,
Being fixedly connected with brake disc 3 on major axis 2, brake disc 3 is socketed with ratchet 4, major axis 2 is socketed with commutation ratchet 5, commutate ratchet
Connecting on 5 and have handwheel 6, be fixed with positioning seat 7 inside handwheel 6, positioning seat 7 is connected with wheel 9 in handwheel by spring positioning bead 10,
Handwheel 6 has handwheel spring 8 with being connected between wheel 9 in handwheel, and ratchet 4 is provided with looping pit 11 on the contact surface of commutation ratchet 5,
It is provided with runner 12 in looping pit 11, between bottom surface and the runner 12 of ratchet 4, is provided with several the first ventilations being parallel to each other
Groove 13, runner 12 is provided with several the second ventilation slots 14 being parallel to each other, the first ventilation slot 14 and the second ventilation slot 14
Angle is 25 °, and commutation ratchet 5 is provided with and the pin 15 of looping pit 11 selectivity grafting, and pin 15 is joined with runner 12 gap
Close.The surface of pin 15 is evenly arranged with several axial diversion grooves 16, is provided with bypass between adjacent axial diversion groove 16
Groove 17, bypass slot 17 is parallel to each other with the second ventilation slot 14.Ratchet 4 side contacted with brake disc 3 is provided with endless metal bullet
Sheet 21, endless metal shell fragment 21 is connected with looping pit 11, and pin 15 contacts with the extruding of endless metal shell fragment 21 selectivity, pin
Being provided with axial pod apertures 22 in 15, pod apertures 22 is connected with axial diversion groove 16 by capillary tube 23.Brake disc 3 and annular
Being provided with rough layer 24 on the contact surface of metal clips 21, the bottom of rough layer 24 is provided with oven wire mesh blanket 25, metal gauze
The bottom of layer 25 is provided with ventilation duct 26.The surface configuration of the brake disc 3 contacted with ratchet 4 bottom surface has rubber bumps portion 18, rubber
The top of glue lobe 18 is provided with bulb 19, and the bottom in rubber bumps portion 18 is provided with groove 20, and bulb 19 and first ventilates
Groove 13 selectivity grafting coordinates.Being vertically arranged with slide rail 28 on described positioning seat 7, sliding in slide rail 28 is provided with trigonal slider
27, it is connected between trigonal slider 27 with slide rail 28 and has buffer spring 29, spring positioning bead 10 to contact with trigonal slider 27,
The bottom of trigonal slider 27 contacts with handwheel spring 8.
A kind of underloading Lever Blocks, including above-mentioned underloading Lever Blocks arrestment mechanism.
In describing the invention, it is to be understood that term " longitudinally ", " laterally ", " on ", D score, "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of and describe the present invention rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (7)
1. a underloading Lever Blocks arrestment mechanism, including chain hoist wheel (1), chain hoist wheel (1) is socketed on major axis (2), long
Being fixedly connected with brake disc (3) on axle (2), brake disc (3) is socketed with ratchet (4), major axis is socketed with commutation ratchet on (2)
(5), the upper connection of commutation ratchet (5) has handwheel (6), handwheel (6) inner side to be fixed with positioning seat (7), and positioning seat (7) is fixed by spring
Position pearl (10) is connected with wheel (9) in handwheel, and handwheel (6) has handwheel spring (8) with being connected between wheel (9) in handwheel, and its feature exists
In: ratchet (4) is provided with looping pit (11) on the contact surface of commutation ratchet (5), is provided with runner (12) in looping pit (11),
Being provided with several first ventilation slots (13) being parallel to each other between bottom surface and the runner (12) of ratchet (4), runner sets on (12)
Being equipped with several the second ventilation slots (14) being parallel to each other, the first ventilation slot (14) is 20 ° with the angle of the second ventilation slot (14)
～40 °, commutation ratchet (5) is provided with the pin (15) with looping pit (11) selectivity grafting, pin (15) and runner (12)
Matched in clearance.
Underloading Lever Blocks arrestment mechanism the most according to claim 1, it is characterised in that: the surface of described pin (15) is equal
Even several axial diversion grooves (16) that is provided with, are provided with bypass slot (17), bypass slot between adjacent axial diversion groove (16)
(17) it is parallel to each other with the second ventilation slot (14).
Underloading Lever Blocks arrestment mechanism the most according to claim 2, it is characterised in that: the spine contacted with brake disc (3)
Wheel (4) side be provided with endless metal shell fragment (21), endless metal shell fragment (21) is connected with looping pit (11), pin (15) and
The extruding contact of endless metal shell fragment (21) selectivity, is provided with axial pod apertures (22) in pin (15), pod apertures (22) is led to
Cross capillary tube (23) to connect with axial diversion groove (16).
Underloading Lever Blocks arrestment mechanism the most according to claim 3, it is characterised in that: brake disc (3) and endless metal
Being provided with rough layer (24) on the contact surface of shell fragment (21), the bottom of rough layer (24) is provided with oven wire mesh blanket (25), metal
The bottom of silk screen layer (25) is provided with ventilation duct (26).
Underloading Lever Blocks arrestment mechanism the most according to claim 1, it is characterised in that: contact with ratchet (4) bottom surface
The surface configuration of brake disc (3) has rubber bumps portion (18), the top of rubber bumps portion (18) to be provided with bulb (19), rubber convex
The bottom playing portion (18) is provided with groove (20), and bulb (19) coordinates with the first ventilation slot (13) selectivity grafting.
Underloading Lever Blocks arrestment mechanism the most according to claim 1, it is characterised in that: described positioning seat (7) is upper vertically
Being provided with slide rail (28), sliding in slide rail (28) is provided with trigonal slider (27), trigonal slider (27) and slide rail (28) it
Between connect have buffer spring (29), spring positioning bead (10) to contact with trigonal slider (27), the end of trigonal slider (27)
Portion contacts with handwheel spring (8).
7. a underloading Lever Blocks, it is characterised in that: include that the underloading hands described in the claims 1-6 any one pulls calabash
Reed arrestment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563936.4A CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563936.4A CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081987A true CN106081987A (en) | 2016-11-09 |
| CN106081987B CN106081987B (en) | 2019-02-12 |
Family
ID=57220572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563936.4A Active CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106081987B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986279A (en) * | 2017-04-17 | 2017-07-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN109588385A (en) * | 2017-09-22 | 2019-04-09 | 株式会社岛野 | The rotor brake of spinning wheel type line winder |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196206Y (en) * | 1994-04-21 | 1995-05-03 | 朱国胜 | Intermediate disc of friction clutch |
| CN2377395Y (en) * | 1998-06-01 | 2000-05-10 | 孔秋生 | Slave disc of friction clutch |
| CN2608754Y (en) * | 2002-06-13 | 2004-03-31 | 英志企业股份有限公司 | Brake disk structure having deflecting heat dissipation |
| CN101225860A (en) * | 2007-01-17 | 2008-07-23 | 湖北飞龙摩擦密封材料股份有限公司 | Brake sheet |
| CN102803119A (en) * | 2009-11-17 | 2012-11-28 | 德马格起重机及部件有限公司 | Chain hoist having a slip clutch |
| CN203922577U (en) * | 2014-06-25 | 2014-11-05 | 德森克电梯（中国）有限公司 | A kind of elevator traction sheave brake equipment |
| CN204569272U (en) * | 2015-02-04 | 2015-08-19 | 杭州维多利机械有限公司 | A kind of underloading Lever Blocks and stop mechanism thereof |
| CN105174116A (en) * | 2015-10-08 | 2015-12-23 | 浙江永天机电制造有限公司 | Multifunctional safety rope both-way crane |
| CN105465254A (en) * | 2015-12-05 | 2016-04-06 | 重庆市永川区华益机械铸造有限责任公司 | Brake shoe for automobile |
-
2016
- 2016-07-18 CN CN201610563936.4A patent/CN106081987B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196206Y (en) * | 1994-04-21 | 1995-05-03 | 朱国胜 | Intermediate disc of friction clutch |
| CN2377395Y (en) * | 1998-06-01 | 2000-05-10 | 孔秋生 | Slave disc of friction clutch |
| CN2608754Y (en) * | 2002-06-13 | 2004-03-31 | 英志企业股份有限公司 | Brake disk structure having deflecting heat dissipation |
| CN101225860A (en) * | 2007-01-17 | 2008-07-23 | 湖北飞龙摩擦密封材料股份有限公司 | Brake sheet |
| CN102803119A (en) * | 2009-11-17 | 2012-11-28 | 德马格起重机及部件有限公司 | Chain hoist having a slip clutch |
| CN203922577U (en) * | 2014-06-25 | 2014-11-05 | 德森克电梯（中国）有限公司 | A kind of elevator traction sheave brake equipment |
| CN204569272U (en) * | 2015-02-04 | 2015-08-19 | 杭州维多利机械有限公司 | A kind of underloading Lever Blocks and stop mechanism thereof |
| CN105174116A (en) * | 2015-10-08 | 2015-12-23 | 浙江永天机电制造有限公司 | Multifunctional safety rope both-way crane |
| CN105465254A (en) * | 2015-12-05 | 2016-04-06 | 重庆市永川区华益机械铸造有限责任公司 | Brake shoe for automobile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986279A (en) * | 2017-04-17 | 2017-07-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN106986279B (en) * | 2017-04-17 | 2018-09-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN109588385A (en) * | 2017-09-22 | 2019-04-09 | 株式会社岛野 | The rotor brake of spinning wheel type line winder |
| CN109588385B (en) * | 2017-09-22 | 2021-12-28 | 株式会社岛野 | Rotor braking device for spinning reel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106081987B (en) | 2019-02-12 |
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Effective date of registration: 20181226 Address after: 223001 Huai'an Industrial Park, Huai'an City, Jiangsu Province, No. 8 East Development Road Applicant after: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Address before: 310000 No. 113 Tianhe Road, Yuhang Economic Development Zone, Hangzhou, Zhejiang Province Applicant before: VITALI (HANGZHOU) MACHINERY CO.,LTD. |
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Denomination of invention: Light-load lever block and brake mechanism thereof Effective date of registration: 20200120 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2020320000086 |
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Date of cancellation: 20210107 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2020320000086 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A light load handle hoist and its braking mechanism Effective date of registration: 20210108 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2021980000189 |
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Date of cancellation: 20220803 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2021980000189 |