CN104261289B - Multilamellar cable drum rope guide - Google Patents
Multilamellar cable drum rope guide Download PDFInfo
- Publication number
- CN104261289B CN104261289B CN201410488571.4A CN201410488571A CN104261289B CN 104261289 B CN104261289 B CN 104261289B CN 201410488571 A CN201410488571 A CN 201410488571A CN 104261289 B CN104261289 B CN 104261289B
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- assembly
- rope
- driving lever
- multilamellar
- steel wire
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a kind of multilamellar cable drum rope guide, it is made up of from autocompensation installation drive assembly (11), operation assembly, bracket assembly and rope, the described assembly that runs is arranged on described bracket assembly, described drive assembly is connected with described operation assembly, described rope is connected with described operation assembly from autocompensation installation, and steel wire rope can be installed on described rope from the middle of two truckles of autocompensation installation one end.The present invention is a kind of simple in construction, arranges the multilamellar cable drum rope guide that rope is stable and reliable for performance.
Description
Technical field
The present invention relates to a kind of reel rope guide, be specifically related to a kind of multilamellar cable drum rope guide.
Background technology
The apparatus structure form being currently used for multilamellar cable drum row's rope is more, but effect is all undesirable.Particularly typical with the rope guide of ball screw class formation form, there is main deficiency in it: one, the rotation of its screw mandrel of rope guide of this type of version is to be realized with chain by spool shaft upper sprocket wheel, screw mandrel upper sprocket wheel, along with the increase and decrease of the wirerope-winding number of plies on reel, the diameter of its reel is also along with increasing and reducing, it is it is difficult to ensure that the rotating speed of screw mandrel is consistent with reel, namely steel wire rope on reel by when being very easy to occur disorder cable phenomenon, particularly lifting altitude more high (wirerope-winding outside reel several layers).Two, when lifting altitude more high (wirerope-winding outside reel several layers) or when being positioned at reel end positions when steel wire rope, now steel wire rope increases with the drift angle of reel, on steel wire rope, side force also will increase, will appear from steel wire rope disorder cable phenomenon, if plus lifting mechanism frequent operation, namely the rope guide of this type of version can be quickly damaged or stuck phenomenon occurs, causes the breakoff phenomenons such as wire cable rupture, plastic degeneration or abrasion, correspondingly too increases potential safety hazard.Three, along with on the change reel of lifting altitude the steel wire rope number of plies also increase as and minimizing, the rope guide of its this type of version is without the autocompensation installation adapting to the change of the steel wire rope number of plies, and it will cause sharply abrasion and increase steel wire rope probability of disorder cable on reel of steel wire rope.
Lifting altitude especially for crane is higher, and lifting altitude is when hundred meters of even hundreds of meters, and in order to reduce overall dimensions and the manufacturing cost of lifting mechanism, on reel, the number of plies of wirerope-winding is often more.Along with the rising of lifting altitude in crane use procedure, the drift angle of steel wire rope and reel also will be gradually increased, side force on steel wire rope also will increase, cause that disorder cable phenomenon occurs in the composite steel cord being wound in the outer layer of reel, there is the abrasion by increasing steel wire rope in this phenomenon, reduce its service life, because the cost of the lifting altitude of a crane steel wire rope of higher replacing is also higher.
Summary of the invention
The technical problem to be solved is to provide a kind of simple in construction, row restricts multilamellar cable drum rope guide stable and reliable for performance.
In order to solve above-mentioned technical problem, multilamellar cable drum rope guide provided by the invention, it is made up of from autocompensation installation drive assembly, operation assembly, bracket assembly and rope, the described assembly that runs is arranged on described bracket assembly, described drive assembly is connected with described operation assembly, described rope is connected with described operation assembly from autocompensation installation, and steel wire rope is installed on described rope from the middle of two truckles of autocompensation installation one end.
Reductor that described drive assembly is connected with motor-driven by motor and forming with the encoder on the motor shaft being installed on described motor.
Described encoder jointly controls with encoder on lifting motor axle.
Described operation assembly is made up of right bearing seat, right bearing, left shaft holder, left bearing, gear shaft and tooth bar, described right bearing is arranged in described right bearing seat, described left bearing is arranged in described left shaft holder, described right bearing seat, left shaft holder and tooth bar are arranged on described bracket assembly, described gear shaft is arranged in described left bearing and right bearing, described gear shaft and described tooth bar engaged transmission, described gear shaft one end is connected with described drive assembly, and the other end is connected from autocompensation installation with described rope.
Described bracket assembly is made up of upper rail seat, lower guideway seat, connecting plate and base plate, described lower guideway seat is arranged on described base plate, described lower guideway seat is connected by connecting plate with described upper rail seat, and the described assembly that runs is arranged between described lower guideway seat and described upper rail seat.
Described rope is made up of driving lever frame, driving lever, spring, two truckles and truckle axle from autocompensation installation, one end of described driving lever frame is connected on described operation assembly, it is provided with driving lever in described driving lever frame, described driving lever stretches out the other end of described driving lever frame, two described truckles are arranged on described driving lever respectively through described truckle axle, are provided with spring between described driving lever and described driving lever frame.
Described driving lever frame is provided with towards the lubricating cup within described driving lever frame.
Also including two limit switches, described limit switch is arranged on the two ends of described bracket assembly and acts on described operation assembly.
This device is installed under the steel wire rope of hoisting drum of crane to restrict the lower section of side by bearing, described runs the traffic direction of assembly and the axially in parallel of hoisting drum of crane, and steel wire rope is installed on described rope from the middle of two described truckles of autocompensation installation driving lever one end.
Adopt the multilamellar cable drum rope guide of technique scheme, it is installed under hoisting drum of crane steel wire rope by bearing to restrict the lower section of side, steel wire rope is installed on rope from the middle of two truckles of autocompensation installation one end, during hoisting drum of crane work, the drive assembly drive installation of this rope guide gear shaft in bearing block rotates, gear on gear shaft engages with the tooth bar being installed on base plate and makes bearing block and rope thereon move left and right along reel length direction from autocompensation installation track base in bracket assembly, thus driving steel wire rope to move left and right realization row's rope on reel length direction.The translational speed running assembly is realized by the encoder controlling to be installed in drive assembly so that it is translational speed remains consistent with drum speed, it is achieved steel wire rope rule on reel is wound around.Rope make under the action of the spring from autocompensation installation driving lever along with on reel the wirerope-winding number of plies change and automatically flexible in driving lever frame, make the steel wire rope at lower rope mouth place and reel be always maintained at suitable angle.Namely this device has intensity height, the advantages such as row's rope is effective, steel rope abrasion is little.
This device is installed under hoisting drum of crane steel wire rope by bearing to restrict the lower section of side, and steel wire rope is installed in the middle of the rope two truckles from autocompensation installation driving lever one end.
When hoisting drum of crane works, drive assembly drive installation gear shaft in bearing block rotates, gear on gear shaft engages with the tooth bar being installed on base plate and makes bearing block and rope thereon move left and right along reel length direction from autocompensation installation track base in bracket assembly, thus driving steel wire rope to move left and right realization row's rope on reel length direction.Move around is by being installed on the realization of the limit switch at bracket assembly two ends.The translational speed of this operation assembly makes this operation assembly translational speed remain consistent with drum speed by the encoder controlling to be installed in drive assembly, it is achieved steel wire rope rule on reel is wound around.
In sum, the present invention is a kind of simple in construction, arranges the multilamellar cable drum rope guide that rope is stable and reliable for performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the secret cut-away view of A-A along Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 1 and Fig. 2, multilamellar cable drum rope guide, it is made up of from autocompensation installation drive assembly 11, operation assembly, bracket assembly and rope, run assembly and be arranged on bracket assembly, described drive assembly is connected with running assembly, restricting and be connected with running assembly from autocompensation installation, steel wire rope can be installed in the middle of the rope two truckles 2 from autocompensation installation one end.
Specifically, drive assembly 11 is connected with motor-driven by motor reductor and forming with the encoder on the motor shaft being installed on motor.
Encoder jointly controls with encoder on lifting motor axle.
Specifically, run assembly to be made up of right bearing seat 9, right bearing 10, left shaft holder 5, left bearing 8, gear shaft 12 and tooth bar 7, right bearing 10 is arranged in right bearing seat 9, left bearing 8 is arranged in left shaft holder 5, right bearing seat 9, left shaft holder 5 and tooth bar 7 are arranged on lower guideway seat 6 and the upper rail seat 21 of bracket assembly, gear shaft 12 is arranged in left bearing 8 and right bearing 10, gear shaft 12 and tooth bar 7 engaged transmission, gear shaft 12 one end is connected with drive assembly, and the other end is connected from autocompensation installation with rope.
Specifically, bracket assembly is made up of upper rail seat 21, lower guideway seat 6, connecting plate 20 and base plate 18, lower guideway seat 6 is arranged on base plate 18, lower guideway seat 6 is connected by connecting plate 20 with upper rail seat 21, and the right bearing seat 9 and the left shaft holder 5 that run assembly are arranged between lower guideway seat 6 and upper rail seat 21.
Specifically, rope is made up of driving lever frame 4, driving lever 14,13, two truckles 2 of spring and truckle axle 16 from autocompensation installation, one end of driving lever frame 4 is connected to left shaft holder 5 one end running assembly, driving lever 14 it is provided with in driving lever frame 4, driving lever 14 stretches out the other end of driving lever frame 4, two truckles 2 are arranged on driving lever 14 respectively through truckle axle 16, are provided with spring 13 between driving lever 14 and driving lever frame 4.
Further, driving lever frame 4 is provided with towards the lubricating cup 15 within driving lever frame 4.
Further, also including two limit switches 17, limit switch 17 is arranged on the connecting plate 20 at the two ends of bracket assembly, acts on the right bearing seat 9 and left shaft holder 5 that run assembly.
Specifically, this device is installed under the steel wire rope of hoisting drum of crane 1 by bearing 19 to restrict the lower section of side, running the traffic direction of assembly and the axially in parallel of hoisting drum of crane 1, steel wire rope 3 is installed in the middle of two described truckles 2 of one end of the rope driving lever 14 from autocompensation installation.
Referring to Fig. 1 and Fig. 2, the rope of this device makes driving lever 14 be wound around the change of the number of plies along with the steel wire rope 3 on reel 1 under spring 13 acts on from autocompensation installation and is automatically stretching in driving lever frame 4, the steel wire rope 3 making lower rope mouth place is always maintained at suitable angle with reel 1, and it also reduces steel wire rope 3 while reducing steel wire rope 3 abrasion and occurs the probability of disorder cable on reel 1.
It is drive right bearing seat 9 left shaft holder 5 to move in the chute of lower guideway seat 6 and upper rail seat 21 by gear shaft 12, tooth bar 7 that this device moves, and its intensity is high, good stability.Because translational speed is by encoder control, it keeps consistent with drum speed all the time, so when the lifting altitude lifting by crane thing is higher and steel wire rope 3 is bigger than normal with reel 1 drift angle (side force on steel wire rope 3 is also bigger), this device is still damaged from and disorder cable phenomenon occurs.
Drive assembly 11 is installed on the end of the right bearing seat 9 running assembly, and its gear shaft 12 one end that is internal and that run in assembly is connected so that it is imparts power to run assembly and realizes its movement running assembly.
This device code device is installed on motor shaft and encoder on lifting motor axle jointly controls.
Run assembly and be installed in lower guideway seat 6 and the upper rail seat 21 of bracket assembly by right bearing seat 9 and left shaft holder 5, gear shaft 12 is respectively arranged in right bearing seat 9 and left shaft holder 5 by right bearing 10 and left bearing 8, and the gear position of gear shaft 12 is engaged with the tooth bar 7 being installed on bracket assembly.
Right bearing seat 9 profile is a square structure, the rectangular boss that chute that upper and lower side is provided with in the lower guideway seat 6 with bracket assembly and upper rail seat 21 is consistent, centre position is provided with the hole matched with right bearing 10, end cap, right side (with drive assembly 11 link) is tubular boss, and its end face is provided with the hole that the reductor with drive assembly 11 is connected.
Left shaft holder 5 profile is a square structure, and upper and lower side is provided with the rectangular boss that the chute of the lower guideway seat 6 with bracket assembly and upper rail seat 21 is consistent；Centre position is provided with the hole matched with left bearing 8, end cap, is provided with step inside left side；Left side (with rope from autocompensation installation link) is tubular boss, and its end face is provided with and the hole being connected from autocompensation installation driving lever frame of restricting.
Gear shaft 12 is idler gear two ends plain shaft structures, and its one end is provided with the interface that the reductor with drive assembly 11 is connected.
Its length of tooth bar 7 meets to be run assembly and is displaced into the bracket assembly left and right end left extreme right position of reel 1 (steel wire rope 3 be positioned at).
Bracket assembly is installed on bearing 19 by its base plate 18 and makes it be connected with the structure installing hoisting drum, and two pieces lower guideway seat 6 and two pieces upper rail seat 21 are symmetrically arranged on base plate 18 by connecting plate 20.
The cross section of lower guideway seat 6 and upper rail seat 21 is rectangle, to move left and right distance consistent with running assembly to be provided with the chute consistent with running right bearing seat 9 and left shaft holder 5 upper and lower side rectangular boss in assembly, lower guideway seat 6 and the length of upper rail seat 21 in a thickness direction.
Restricting and be installed on, from autocompensation installation, the end running assembly left shaft holder 5, it is internal that its driving lever 14 and spring 13 are installed on driving lever frame 4, and spring 13 is installed on driving lever 14 rear.On reel 1 steel wire rope 3 number of plies change time its driving lever 14 can in driving lever frame 4 automatic telescopic, adjust the distance and compensate.Two truckles 2 are installed on the front of driving lever 14, and steel wire rope 3 is installed on the grooving position between two truckles 2, to support its steel wire rope 3.
Driving lever frame 4 is tubular structure, internal is the square hole matched with driving lever 14 rear end, its right-hand member is provided with external cylindrical surface and the flange of the location that is connected with left shaft holder 5 left end running assembly, and it is provided with connecting hole in end, left end is closed and is provided with the circular hole adapted with driving lever 14 front end external diameter in center, end, and is radially provided with lubricating cup hole at left end.
Spring 13 is cylindrical, and one end contacts with running assembly left shaft holder 5 left end step end face, and the other end contacts with driving lever 14 rear end face.
Driving lever 14 is rear end box-shaped nose circle column construction, and its square is consistent with the internal square hole of driving lever frame 4, and cylinder external diameter is consistent with driving lever frame 4 left end hole.And it is provided with, at cylindrical end, " u "-shaped groove and the truckle axis hole that truckle 2 is installed.
Limit switch 17 is installed on the two ends of the connecting plate 20 of bracket assembly side, moves left and right the selection in direction for controlling operation assembly.
Referring to Fig. 1 and Fig. 2, this device is installed under hoisting drum of crane steel wire rope by bearing 19 to restrict the lower section of side, and steel wire rope 3 is installed in the middle of the rope two truckles 2 from autocompensation installation one end.During hoisting drum of crane work, the drive assembly drive installation of this rope guide gear shaft 12 in right bearing seat 9 and left shaft holder 5 rotates, gear on gear shaft 12 engages with the tooth bar 7 being installed on base plate 18 and makes right bearing seat 9 and left shaft holder 5 and rope thereon move left and right along reel length direction from autocompensation installation lower guideway seat 6 in bracket assembly and upper rail seat 21, thus driving steel wire rope 3 to move left and right realization row's rope on reel length direction.The translational speed running assembly is realized by the encoder controlling to be installed in drive assembly so that it is translational speed remains consistent with drum speed, it is achieved steel wire rope 3 rule on reel 1 is wound around.Move around is realize by being installed on the limit switch 17 at bracket assembly two ends.Restrict from autocompensation installation make under spring 13 acts on driving lever 14 along with on reel 1 steel wire rope 3 be wound around the change of the number of plies and automatically flexible driving lever frame 4 in, make the steel wire rope 3 at lower rope mouth place and reel 1 be always maintained at suitable angle.Namely this device has intensity height, the advantages such as row's rope is effective, steel rope abrasion is little.
Claims (9)
1. a multilamellar cable drum rope guide, by drive assembly (11), run assembly, bracket assembly and rope form from autocompensation installation, the described assembly that runs is arranged on described bracket assembly, described drive assembly is connected with described operation assembly, described rope is connected with described operation assembly from autocompensation installation, steel wire rope is installed on described rope from the middle of two truckles of autocompensation installation one end, it is characterized in that: described operation assembly is by right bearing seat (9), right bearing (10), left shaft holder (5), left bearing (8), gear shaft (12), form with tooth bar (7), described right bearing (10) is arranged in described right bearing seat (9), described left bearing (8) is arranged in described left shaft holder (5), described right bearing seat (9), left shaft holder (5) and tooth bar (7) are arranged on described bracket assembly, described gear shaft (12) is arranged in described left bearing (8) and right bearing (10), described gear shaft (12) and described tooth bar (7) engaged transmission, described gear shaft (12) one end is connected with described drive assembly, the other end is connected from autocompensation installation with described rope.
2. multilamellar cable drum rope guide according to claim 1, is characterized in that: reductor that described drive assembly (11) is connected with motor-driven by motor and forming with the encoder on the motor shaft being installed on described motor.
3. multilamellar cable drum rope guide according to claim 2, is characterized in that: described encoder jointly controls with encoder on lifting motor axle.
4. the multilamellar cable drum rope guide according to claim 1,2 or 3, it is characterized in that: described bracket assembly is made up of upper rail seat (21), lower guideway seat (6), connecting plate (20) and base plate (18), described lower guideway seat (6) is arranged on described base plate (18), described lower guideway seat (6) is connected by connecting plate (20) with described upper rail seat (21), and the described assembly that runs is arranged between described lower guideway seat (6) and described upper rail seat (21).
5. according to claim 1, multilamellar cable drum rope guide described in 2 or 3, it is characterized in that: described rope from autocompensation installation by driving lever frame (4), driving lever (14), spring (13), two truckles (2) and truckle axle (16) composition, one end of described driving lever frame (4) is connected on described operation assembly, it is provided with driving lever (14) in described driving lever frame (4), described driving lever (14) stretches out the other end of described driving lever frame (4), two described truckles (2) are arranged on described driving lever (14) respectively through described truckle axle (16), it is provided with spring (13) between described driving lever (14) and described driving lever frame (4).
6. multilamellar cable drum rope guide according to claim 5, is characterized in that: described driving lever frame (4) is provided with the lubricating cup (15) towards described driving lever frame (4) inside.
7. the multilamellar cable drum rope guide according to claim 1,2 or 3, it is characterized in that: also including two limit switches (17), described limit switch (17) is arranged on the two ends of described bracket assembly and acts on described operation assembly.
8. the multilamellar cable drum rope guide according to claim 1,2 or 3, it is characterized in that: this device is installed under the steel wire rope of hoisting drum of crane (1) by bearing (19) to restrict the lower section of side, described runs the traffic direction of assembly and the axially in parallel of hoisting drum of crane (1), and steel wire rope (3) is installed on described rope from the middle of two described truckles (2) of autocompensation installation driving lever one end.
9. multilamellar cable drum rope guide according to claim 1, it is characterized in that: this device is installed under the steel wire rope of hoisting drum of crane (1) by bearing (19) to restrict the lower section of side, described runs the traffic direction of assembly and the axially in parallel of hoisting drum of crane (1), and steel wire rope (3) is installed on described rope from the middle of two described truckles (2) of autocompensation installation driving lever one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488571.4A CN104261289B (en) | 2014-09-23 | 2014-09-23 | Multilamellar cable drum rope guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488571.4A CN104261289B (en) | 2014-09-23 | 2014-09-23 | Multilamellar cable drum rope guide |
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| Publication Number | Publication Date |
|---|---|
| CN104261289A CN104261289A (en) | 2015-01-07 |
| CN104261289B true CN104261289B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488571.4A Active CN104261289B (en) | 2014-09-23 | 2014-09-23 | Multilamellar cable drum rope guide |
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| Country | Link |
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| CN (1) | CN104261289B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934817B (en) * | 2017-11-25 | 2023-06-23 | 华强方特（芜湖）文化科技有限公司 | Steel wire rope protection device for tractor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU495293B2 (en) * | 1974-08-27 | 1976-03-04 | Sumitomo Electric Industries, Ltd. | Automatic cable winding apparatus |
| US4455961A (en) * | 1982-06-25 | 1984-06-26 | The United States Of America As Represented By The Secretary Of The Navy | Overboarding fixture |
| CN200946077Y (en) * | 2006-08-25 | 2007-09-12 | 王现立 | Automatic rope winding device for mining dispatch winch |
| CN101602473A (en) * | 2009-06-30 | 2009-12-16 | 上海大屯能源股份有限公司 | Winch gear rack straight reciprocating rope-arranging mechanism |
| GB201205986D0 (en) * | 2012-04-03 | 2012-05-16 | Deep Tek Ip Ltd | Apparatus and method |
| CN103523698A (en) * | 2013-10-22 | 2014-01-22 | 解波 | Passive automatic rope arranger |
| CN204111230U (en) * | 2014-09-23 | 2015-01-21 | 湖南中铁五新重工有限公司 | Multilayer cable drum rope guide |
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2014
- 2014-09-23 CN CN201410488571.4A patent/CN104261289B/en active Active
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| CN104261289A (en) | 2015-01-07 |
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Denomination of invention: Multilayer steel wire rope drum-winding and rope-arrangement device Effective date of registration: 20180320 Granted publication date: 20160629 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: 2018430000019 |
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Denomination of invention: Rope arrangement device of multi-layer steel wire rope drum Effective date of registration: 20220331 Granted publication date: 20160629 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022980003294 |
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Denomination of invention: Multi layer steel wire rope drum rope arrangement device Effective date of registration: 20230525 Granted publication date: 20160629 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980041881 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Multi layer steel wire rope drum rope arrangement device Granted publication date: 20160629 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2024980041382 |