CN207175306U - A kind of steel strand wires line winding guide - Google Patents

A kind of steel strand wires line winding guide Download PDF

Info

Publication number
CN207175306U
CN207175306U CN201721116490.7U CN201721116490U CN207175306U CN 207175306 U CN207175306 U CN 207175306U CN 201721116490 U CN201721116490 U CN 201721116490U CN 207175306 U CN207175306 U CN 207175306U
Authority
CN
China
Prior art keywords
strand wires
steel strand
circular arc
leading truck
arc leading
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.)
Active
Application number
CN201721116490.7U
Other languages
Chinese (zh)
Inventor
刘新华
金仓
刘民胜
李聃妮
刘勋
舒宏生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC Second Highway Engineering Co Ltd
Original Assignee
CCCC Second Highway Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC Second Highway Engineering Co Ltd filed Critical CCCC Second Highway Engineering Co Ltd
Priority to CN201721116490.7U priority Critical patent/CN207175306U/en
Application granted granted Critical
Publication of CN207175306U publication Critical patent/CN207175306U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Ropes Or Cables (AREA)

Abstract

The utility model provides a kind of steel strand wires line winding guide, including circular arc leading truck, the bent frame that circular arc leading truck is formed by multistage channel-section steel Parallel Symmetric arrangement, angle steel is equidistantly welded outside framework, interior welds support, including intermediate guide plate, end swing span, steel strand wires and steel strand wires clamping device, described intermediate guide plate is located at circular arc leading truck top center, is also horizontally installed with circular arc leading truck circumferencial direction some to guide wheel assemblies;End swing span is arranged on circular arc leading truck one end, and the steel strand wires clamping device that described steel strand wires are set below circular arc leading truck one end penetrates, and the end swing span that the circular arc leading truck other end is set is penetrated after sequentially passing through guide wheel assemblies, intermediate guide plate.The utility model can be well adapted for steel strand wires Curvature varying, to the spread patterns of steel strand wires also can reasonable conversion, and the problems such as efficiently solve card rope, the disorder cable that steel strand wires occur in winding process.

Description

A kind of steel strand wires line winding guide
Technical field
It the utility model is related to a kind of steel strand wires line winding guide.
Background technology
At present, domestic and international stiffening girder of suspension bridge lifting generally uses full hydraulic structure, lifts steady, safe efficient.Entirely Hydraulic pressure deck erection gantry bears the heavy loads such as stiffening girder of suspension bridge from prestress wire is actual, and prestress wire passes through liquid Punching jack is pressed, is realized using the mutual folding effect of upper lower clamping piece in jack and the action of jack telescoping cylinder The lifting of heavy loads is with being installed in place.The specified crane capacity of deck erection gantry is different, the specification and quantity of prestress wire It is not quite similar, it is 19- φ 18 to choose steel strand wires for the all-hydraulic deck erection gantries of 600t.
All-hydraulic deck erection gantry acts, prestress steel when carrying out stiff girder lifting with the continuous telescoping cylinder of jack Twisted wire is wound in steel strand wires draw off gear by circular arc leading truck and stored, and is finally completed lifting construction.Suspender is transferred When, lower clamping piece is opened simultaneously in hydraulic jack, and steel strand wires draw off gear opposite direction puts rope, and putting rope speed can reach 120 ms/h.
From the point of view of practice of construction situation, steel strand wires when being installed first, due to steel strand wires exist certain rigidity and Generally it is tens of steel strand wires while is installed, while steel strand wires must be ensured in annular array and horizontally arranged anaplasia Disorder cable, card rope phenomenon in operation process are occurred without during change, complex installation process, labor intensity are big in general and efficiency is low.
Utility model content
The problem of process is cumbersome in an installation, labor intensity is big in order to overcome existing apparatus, efficiency low also card rope, this practicality A kind of steel strand wires line winding guide of new offer and rope-winding method, the utility model can make the whole installation process of steel strand wires side by side It is convenient and swift, workmen's labor intensity is substantially reduced, meanwhile, the guider can be well adapted for the change of steel strand wires curvature Change, to the spread patterns of steel strand wires also can reasonable conversion, and efficiently solve card rope that steel strand wires occur in winding process, The problems such as disorder cable.
The technical solution adopted in the utility model is:
A kind of steel strand wires line winding guide, including circular arc leading truck, circular arc leading truck is by multistage channel-section steel Parallel Symmetric cloth The bent frame put, equidistantly welding angle steel, interior welds support, including intermediate guide plate, end are swung for framework outside Frame, steel strand wires and steel strand wires clamping device, described intermediate guide plate are located at circular arc leading truck top center, circular arc leading truck Also it is horizontally installed with circumferencial direction some to guide wheel assemblies;End swing span is arranged on circular arc leading truck one end, described The steel strand wires clamping device that steel strand wires are set below circular arc leading truck one end penetrates, and sequentially passes through guide wheel assemblies, centre is led The end swing span of circular arc leading truck other end setting is penetrated after to plate.
Described intermediate guide plate includes fixed plate and tooth form is combed, during described fixed plate is fixed at the top of circular arc leading truck At the heart, described tooth form comb is vertically positioned at below fixed plate, and steel strand wires are neatly arranged in tooth form comb.
Described end swing span includes pin joint plate, chan frame, trough of belt carrying roller, central shaft, flat carrier roller, described channel-section steel Framework is provided at both ends with pin joint plate, and described flat carrier roller and central shaft are set in parallel in two of the chan frame provided with pin joint plate End, flat carrier roller and central shaft are located in same level;Described central shaft is externally provided with trough of belt carrying roller, described pin joint plate and circle One end connection of arc leading truck.
Described steel strand wires clamping device includes middle neck and pressing plate, and multiple row's ropes are provided with described middle neck Hole, middle neck are provided with pressing plate up and down, and pressing plate is fixedly connected with neck by hold-down bolt.
Pressing plate one end of described steel strand wires clamping device is provided with draw ring.
The beneficial effects of the utility model are:
The utility model carries out wiring side by side, simple operation and good guiding using above-mentioned steel strand wires line winding guide Effect substantially reduces workmen's labor intensity;It is right meanwhile the guider can be well adapted for steel strand wires Curvature varying The spread pattern of steel strand wires also can reasonable conversion, and efficiently solve card rope, disorder cable that steel strand wires occur in winding process The problems such as.
It is further detailed below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of steel strand wires line winding guide structural representation of the utility model.
Fig. 2 is steel strand wires clamping device structural representation.
Fig. 3 is that steel strand wires arrange corresponding relation figure.
Fig. 4 is intermediate guide plate structural representation.
Fig. 5 is end swing span structural representation.
In figure, reference is:1st, circular arc leading truck;2nd, intermediate guide plate;2.1st, fixed plate, 2.2, tooth form comb;3rd, lead To wheel assembly, 4, end swing span;4.1st, pin joint plate, 4.2, chan frame, 4.3, trough of belt carrying roller, 4.4, central shaft, 4.5, it is flat Carrying roller, 5, steel strand wires, 6, steel strand wires clamping device;6.1st, middle neck, 6.2, pressing plate, 6.3, hold-down bolt, 6.4, draw ring.
Embodiment
Embodiment 1:
The problem of process is cumbersome in an installation, labor intensity is big in order to overcome existing apparatus, efficiency low also card rope, this practicality A kind of new offer steel strand wires line winding guide as shown in Figure 1, the utility model can make the whole installation process side of steel strand wires Just it is quick, workmen's labor intensity is substantially reduced, meanwhile, the guider can be well adapted for the change of steel strand wires curvature Change, to the spread patterns of steel strand wires also can reasonable conversion, and efficiently solve card rope that steel strand wires occur in winding process, The problems such as disorder cable.
A kind of steel strand wires line winding guide, including circular arc leading truck 1, circular arc leading truck 1 is by multistage channel-section steel Parallel Symmetric The bent frame formed is arranged, angle steel, interior welds support, including intermediate guide plate 2, end pendulum are equidistantly welded outside framework Moving frame 4, steel strand wires 5 and steel strand wires clamping device 6, described intermediate guide plate 2 are located at the top center of circular arc leading truck 1, circle Also it is horizontally installed with the circumferencial direction of arc leading truck 1 some to guide wheel assemblies 3;End swing span 4 is arranged on circular arc leading truck 1 One end, described steel strand wires 5 penetrate from the steel strand wires clamping device 6 below the one end of circular arc leading truck 1, sequentially pass through guide wheel group The end swing span 4 of the other end of circular arc leading truck 1 setting is penetrated after part 3, intermediate guide plate 2.
Fig. 3 show steel strand wires corresponding relation, entirely side by side the spread pattern of wiring process steel strand wires 5 exist it is horizontally arranged With the mutual transfer problem of annular array, and steel strand wires clamping device 6 efficiently solves this problem.Steel strand wires clamping device 6 Middle steel strand wires 5 are arranged into two misarrangement positions, and steel strand wires 5 are encoded before practical operation, it is ensured that check mark penetrates.
Steel strand wires 5 are checked the number in the utility model and is put into steel strand wires clamping device 6 and compresses, steel strand wires 5 are arranged by annular Row become horizontally arranged, then steel strand wires enter circular arc leading truck 1 by directive wheel, completely by after circular arc leading truck 1 by steel Twisted wire 5 is correspondingly placed into end swing span 4, and end swing span 4 can adapt to steel strand wires Curvature varying, is oriented to finally by centre Plate 2 ensures the marshalling of steel strand wires 5.
The utility model simple operation and good guide effect substantially reduces workmen's labor intensity;Meanwhile should Guider can be well adapted for steel strand wires Curvature varying, to the spread patterns of steel strand wires 5 also can reasonable conversion, and effectively Solves the problems such as card rope, disorder cable that steel strand wires occur in winding process.
Embodiment 2:
On the basis of above-described embodiment, in the present embodiment, described intermediate guide plate 2 includes fixed plate 2.1 and tooth Shape comb 2.2, described fixed plate 2.1 is fixed at the top center of circular arc leading truck 1, and described tooth form comb 2.2 is vertically positioned at solid The lower section of fixed board 2.1, the proper alignment of steel strand wires 5 is in tooth form comb 2.2.
Fig. 4 is the structural representation of intermediate guide plate 2, and the crown center position of circular arc leading truck 1 is installed in by bolt, The marshalling under the horizontal combing of tooth form comb 2.2 of steel strand wires 5.
Described end swing span 4 includes pin joint plate 4.1, chan frame 4.2, trough of belt carrying roller 4.3, central shaft 4.4, lifted Roller 4.5, described chan frame 4.2 are provided at both ends with pin joint plate 4.1, and described flat carrier roller 4.5 is parallel with central shaft 4.4 to be set Put and be located in the both ends of the chan frame 4.2 provided with pin joint plate 4.1, flat carrier roller 4.5 and central shaft 4.4 in same level;Institute The central shaft 4.4 stated is externally provided with trough of belt carrying roller 4.3, and described pin joint plate 4.1 is connected with one end of circular arc leading truck 1.
Fig. 5 is the structural representation of end swing span 4, and end swing span 4 is at least by pin joint plate 4.1, chan frame 4.2, band Groove carrying roller 4.3, central shaft 4.4 and flat carrier roller 4.5 are formed, and pin joint plate 4.1 is connected by bearing pin with circular arc leading truck 1 in termination, Steel strand wires 5 pass through trough of belt carrying roller 4.3 and flat carrier roller 4.5, because connecting moment of flexure caused by releasable steel strand wires bending using bearing pin, So that wiring is more smooth.
Described steel strand wires clamping device 6 includes middle neck 6.1 and pressing plate 6.2, is set on described middle neck 6.1 There are multiple row's cord hole, middle neck is provided with pressing plate 6.2 about 6.1, pressing plate 6.2 is fixed with neck 6.1 by hold-down bolt 6.3 Connection.
One end of pressing plate 6.2 of described steel strand wires clamping device 6 is provided with draw ring 6.4.
As shown in Fig. 2 being provided with multiple row's cord hole on middle neck 6.1, steel strand wires 5 are put into row's cord hole by root, middle Neck installs pressing plate 6.2 about 6.1, need to there is certain amount of compression, and more steel strand wires 5 are integrally formed progress next step wiring side by side Operation;Draw ring 6.4 is provided with steel strand wires clamping device 6, steel strand wires 5 is wound operation in circular arc leading truck 1 more convenient fast It is prompt.
Entirely side by side there is the horizontally arranged and mutual transfer problem of annular array in the spread pattern of wiring process steel strand wires 5, And steel strand wires clamping device 6 efficiently solves this problem.Steel strand wires 5 are arranged into two misarrangement positions in steel strand wires clamping device 6, Steel strand wires 5 are encoded before practical operation, it is ensured that check mark penetrates.
Embodiment 3:
On the basis of above-described embodiment, in the present embodiment, there is provided a kind of steel strand wires rope-winding method side by side, specific steps For:
Step 1:For the upper threading method of the passive rope releasing device of steel strand wires and active rope releasing device, by steel strand wires 5 by root from applying Work platform is lifted and fixed by lower clamping piece on jack;
Start hydraulic power unit, lifting jack reciprocating action pushing tow steel strand wires 5 to certain position, according to the correspondence of steel strand wires 5 Relation, steel strand wires 5 are checked the number and is put into the middle neck 6.1 of steel strand wires clamping device 6 and compresses, steel strand wires 5 are become by annular array Into horizontally arranged;
Lifting jack continues reciprocating action pushing tow steel strand wires 5 and slowly enters circular arc leading truck 1, in guide wheel assemblies 3 Gradually wound under lower support;
Steel strand wires 5 correspond to anchor by continuing pushing tow after circular arc leading truck 1 until the termination of steel strand wires 5 reaches draw off gear completely Maintenance is put, and removes steel strand wires clamping device 6, steel strand wires 5 are anchored on draw off gear by corresponding relation by root;
Steel strand wires 5 are put into the neck of trough of belt carrying roller 4.3 of end swing span 4 according to corresponding relation, in finally installing Between guide plate 2 ensure the marshalling of steel strand wires 5, steel strand wires wiring side by side is realized to this;
Step 2:For the lower threading method of active rope releasing device, steel strand wires 5 wound in draw off gear, start steel and twisted in advance Line draw off gear power, draw off gear gradually discharge steel strand wires 5, and steel strand wires 5 are checked the number in correct position and are put into steel strand wires clamping The middle neck 6.1 of the 6 of device simultaneously compresses;
Draw off gear continues to discharge steel strand wires 5, and steel strand wires 5 slowly enter circle under the guiding of steel strand wires clamping device 6 side by side Arc leading truck 1, gradually wound in the case where guide wheel assemblies support about 3;
Steel strand wires 5 are completely by continuing release until the termination of steel strand wires 5 anchor close on lifting jack after circular arc leading truck 1 Position, steel strand wires clamping device 6 is removed, steel strand wires 5 are put into jack by corresponding relation by root, steel strand wires 5 are by horizontally arranged Become annular array;
Steel strand wires 4 are put into the neck of trough of belt carrying roller 4.3 of end swing span 4 according to corresponding relation, in finally installing Between guide plate 2 ensure the marshalling of steel strand wires 5, open jack on lower clamping piece can with quick release steel strand wires 5 to lower section construct Platform, steel strand wires wiring side by side is realized to this.
A kind of steel strand wires provided by the utility model side by side rope-winding method can be divided into according to construction environment difference upper threading method and Lower two kinds of threading method.Meanwhile upper threading method is applied to the passive rope releasing device of steel strand wires and active rope releasing device, and lower threading method is only applicable to Active rope releasing device.Described upper threading method, i.e. steel strand wires are worn from lower to upper, and concrete operations are as follows:
(1)Steel strand wires 5 are lifted by root from construction platform and fixed by lower clamping piece on jack;
(2)Start hydraulic power unit, lifting jack reciprocating action pushing tow steel strand wires 5 are right according to steel strand wires 5 to certain position It should be related to, steel strand wires are checked the number and is put into the middle neck 6.1 of steel strand wires clamping device 6 and compresses, steel strand wires 5 are become by annular array Into horizontally arranged;
(3)Lifting jack continues reciprocating action pushing tow steel strand wires 5 and slowly enters circular arc leading truck 1, in guide wheel assemblies 3 The lower gradually winding of support up and down;
(4)Steel strand wires 5 are completely by continuing pushing tow until the termination of steel strand wires 5 reaches draw off gear pair after circular arc leading truck 1 Anchorage point is answered, steel strand wires clamping device 6 is removed, steel strand wires 5 is anchored on draw off gear by corresponding relation by root.
(5)Steel strand wires 5 are put into the neck of trough of belt carrying roller 4.3 of end swing span 4 according to corresponding relation, installation connection Pin, end swing span 4 can adapt to steel strand wires Curvature varying, and 2 plates are finally oriented among installation ensures the marshalling of steel strand wires 5, Steel strand wires wiring side by side is realized to this.
Described lower threading method, i.e. steel strand wires are worn from top to bottom, and the premise of this method application is that steel strand wires shift to an earlier date wound on receipts Put in device, concrete operations are as follows:
(1)Start steel strand wires draw off gear power, draw off gear gradually discharges steel strand wires 5, in correct position by steel strand wires 5 Check the number and be put into the middle neck 6.1 of steel strand wires clamping device 6 and compress;
(2)Draw off gear continues to discharge steel strand wires 5, and steel strand wires 5 slowly enter under the guiding of steel strand wires clamping device 6 side by side Circular arc leading truck 1, gradually wound in the case where guide wheel assemblies support about 1;
(3)Steel strand wires 5 are completely by continuing release until the termination of steel strand wires 5 is close to lifting jack after circular arc leading truck 1 Upper anchor location, steel strand wires clamping device 6 is removed, steel strand wires 5 are put into jack by corresponding relation by root, steel strand wires 5 are by level Arrangement becomes annular array.
(4)Steel strand wires 5 are put into the neck of trough of belt carrying roller 4.3 of end swing span 4 according to corresponding relation, installation connection Pin, end swing span 4 can adapt to the Curvature varying of steel strand wires 5, finally install intermediate guide plate 2 and ensure the marshalling of steel strand wires 5, Steel strand wires wiring side by side can be realized to this with quick release steel strand wires to lower section construction platform by opening lower clamping piece on jack.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.This practicality is new The device and component not being described in detail in type are prior art, will not described one by one in the utility model.

Claims (5)

1. a kind of steel strand wires line winding guide, including circular arc leading truck(1), circular arc leading truck(1)It is parallel right by multistage channel-section steel Angle steel, interior welds support are equidistantly welded in the bent frame for claiming arrangement to form, framework outside, it is characterised in that:Including centre Guide plate(2), end swing span(4), steel strand wires(5)With steel strand wires clamping device(6), described intermediate guide plate(2)It is located at Circular arc leading truck(1)At top center, circular arc leading truck(1)Also it is horizontally installed with circumferencial direction some to guide wheel assemblies (3);End swing span(4)Installed in circular arc leading truck(1)One end, described steel strand wires(5)From circular arc leading truck(1)Under one end The steel strand wires clamping device of side(6)Penetrate, sequentially pass through guide wheel assemblies(3), intermediate guide plate(2)After penetrate circular arc leading truck (1)The end swing span that the other end is set(4).
A kind of 2. steel strand wires line winding guide according to claim 1, it is characterised in that:Described intermediate guide plate (2)Including fixed plate(2.1)Combed with tooth form(2.2), described fixed plate(2.1)It is fixed on circular arc leading truck(1)Top center Place, described tooth form comb(2.2)It is vertically positioned at fixed plate(2.1)Lower section, steel strand wires(5)Proper alignment is combed in tooth form(2.2)It is interior.
A kind of 3. steel strand wires line winding guide according to claim 1, it is characterised in that:Described end swing span (4)Including pin joint plate(4.1), chan frame(4.2), trough of belt carrying roller(4.3), central shaft(4.4), flat carrier roller(4.5), it is described Chan frame(4.2)Be provided at both ends with pin joint plate(4.1), described flat carrier roller(4.5)And central shaft(4.4)It is set in parallel in Provided with pin joint plate(4.1)Chan frame(4.2)Both ends, flat carrier roller(4.5)And central shaft(4.4)Positioned at same level On;Described central shaft(4.4)It is externally provided with trough of belt carrying roller(4.3), described pin joint plate(4.1)With circular arc leading truck(1)One End connection.
A kind of 4. steel strand wires line winding guide according to claim 1, it is characterised in that:Described steel strand wires clamping dress Put(6)Including middle neck(6.1)And pressing plate(6.2), described middle neck(6.1)On be provided with multiple row's cord hole, it is middle Neck(6.1)Pressing plate is installed up and down(6.2), pressing plate(6.2)With neck(6.1)Pass through hold-down bolt(6.3)It is fixedly connected.
A kind of 5. steel strand wires line winding guide according to claim 1 or 4, it is characterised in that:Described steel strand wires folder Hold device(6)Pressing plate(6.2)One end is provided with draw ring(6.4).
CN201721116490.7U 2017-09-01 2017-09-01 A kind of steel strand wires line winding guide Active CN207175306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721116490.7U CN207175306U (en) 2017-09-01 2017-09-01 A kind of steel strand wires line winding guide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721116490.7U CN207175306U (en) 2017-09-01 2017-09-01 A kind of steel strand wires line winding guide

Publications (1)

Publication Number Publication Date
CN207175306U true CN207175306U (en) 2018-04-03

Family

ID=61742154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721116490.7U Active CN207175306U (en) 2017-09-01 2017-09-01 A kind of steel strand wires line winding guide

Country Status (1)

Country Link
CN (1) CN207175306U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107522121A (en) * 2017-09-01 2017-12-29 中交第二公路工程局有限公司 A kind of steel strand wires line winding guide and steel strand wires rope-winding method side by side

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107522121A (en) * 2017-09-01 2017-12-29 中交第二公路工程局有限公司 A kind of steel strand wires line winding guide and steel strand wires rope-winding method side by side
CN107522121B (en) * 2017-09-01 2023-09-22 中交第二公路工程局有限公司 Steel strand wire winding guide device and steel strand wire side-by-side winding method

Similar Documents

Publication Publication Date Title
CN101761071B (en) Manufacturing method of reinforcement cage of pouring pile with large diameter
CN201495048U (en) Double movable-arm crane used for iron tower installation
CN202090286U (en) Traction system suitable for self-anchored type double cable plane suspension bridge
CN102795555B (en) Large slalom crane for offshore platform
CN101717038B (en) Multiplication-variable hook device
CN106284082A (en) Main rope of suspension bridge strand preforming and erection construction method
CN207175306U (en) A kind of steel strand wires line winding guide
CN107522121A (en) A kind of steel strand wires line winding guide and steel strand wires rope-winding method side by side
CN206692228U (en) A kind of construction lifting machine
CN210313196U (en) Climbing cable hoisting system
CN204371545U (en) A kind of power station impeller apparatus for examination and repair
CN203269457U (en) Steel strand pre-tightening device
CN202744226U (en) Hoisting tri-magnification rope winding olecranon-shaped arm head of moving arm tower crane
CN204549877U (en) A kind of lifting appliance for generator unit stator
CN210457261U (en) Variable-amplitude pull rope structure of movable-arm crane
CN104058349B (en) A kind of steel strand hoisting clamping device and method for improving
CN203439948U (en) Gantry lifting frame for cableway
CN203006760U (en) Crane cable wire adjusting device
CN206188260U (en) Hoist top ping lift prevents kinking device and hoist
CN205932919U (en) Multimode hoist device
CN205346692U (en) Swing arm tower machine of supporting multiple mounting means becomes width of cloth pulley yoke
CN220434257U (en) Integral traction device for high-altitude prestress horizontal steel beam
CN212503707U (en) Maintenance crane of wind generating set
CN212450257U (en) Steel structure column vertical hoisting system
CN215104749U (en) Continuous lowering device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant