CN107628555A - The two section folding conveyers that a kind of hoist engine automatically controls - Google Patents
The two section folding conveyers that a kind of hoist engine automatically controls Download PDFInfo
- Publication number
- CN107628555A CN107628555A CN201711141346.3A CN201711141346A CN107628555A CN 107628555 A CN107628555 A CN 107628555A CN 201711141346 A CN201711141346 A CN 201711141346A CN 107628555 A CN107628555 A CN 107628555A
- Authority
- CN
- China
- Prior art keywords
- hoist engine
- conveying arm
- arm
- portal frame
- automatically controls
- 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.)
- Pending
Links
Abstract
The invention discloses the two section folding conveyers that a kind of hoist engine automatically controls.The two section folding conveyers that hoist engine automatically controls are arranged on hull, and the second conveying arm for being mainly hinged on by one end on hull, bottom are hinged on the parts such as the first conveying arm of the second conveying arm other end, the auxiliary portal frame being hinged on the big end hinge hole of the first conveying arm, the main portal frame being arranged on hull, hydraulic jack, hoist engine and formed.The present invention using hoist engine folding and unfolding steel wire rope during draw off gear by flipping up the first conveying arm, reduce the negative remaining of belt, and deploying and folding the first conveying arm process without using oil cylinder, so as to alleviating device own wt, simplifying operating process and reducing cost.The present invention has the characteristics that simple in construction, installation weight is light, security is good, cost is cheap.
Description
Technical field
The present invention relates to conveying technology field, particularly a kind of hoist engine automatically control two section folding conveyers.
Background technology
Because the fixed conveying arm of self-unloading ship easily collides so as to produce potential safety hazard with bridge or ship, so
Most of current self-unloading ship uses the conveying arm of recoverable free-standing.But still deposited in current foldable conveying arm
In problems with:(1)Conveying arm is folded down, and it is larger that belt bears surplus;(2)Because of the limitation of structure design, cause structure bulky,
Cost is high;(3)Safety coefficient is not high, and the phenomenon to fracture easily occurs in conveying arm.To solve problem above emphatically, we are to nowadays
Self-unloading oceangoing ship belt conveyor study and improved, devise the new product of the art of this patent.
It is the related existing patented technology in part below:
Patent document CN201410530965.1 discloses a kind of self-unloading oceangoing ship outrigger foldable belt conveyor and its made
Use method.Its main technical schemes is:The second outrigger for being hinged on including one end on hull, that bottom is hinged on the second outrigger is another
First outrigger at end, the first outrigger portal frame being hinged on above the first outrigger bottom, the upset for being arranged on second outrigger one end
Portal frame, outrigger turning lifting oil cylinder, the activity of the first outrigger draw the take-up oil cylinder of cable, hoist engine, the regulation of the first outrigger to draw cable, the
Two outrigger lift adjustments draw cable, the first outrigger to draw cable I;This invention is main to describe a kind of folding for folding arm, realizing folding arm
Azido functional, but it is increased the negative remaining of belt, potential safety hazard be present using fold-down method.
Patent document CN201310014167.9 discloses a kind of hydraulic folding transfer arm for self-unloading sand carriers.It is led
Wanting technical scheme is:Including three-level arm, the four-bar mechanism of three-level arm, two level arm, one-level arm, steel wire rope, draw off gear, work
The four-bar mechanism composition of platform, two level arm;The function of upwardly or downwardly folding can be realized, by Finite Element Analysis Design, is ensured
Conveying arm has enough structural rigidities to ensure its safety when unloading excess load and when unrestrained to the wind;But it is filled using hydraulic jack
Put, considerably increase manufacturing cost and fold the weight of arm itself, potential safety hazard be present.
Patent document 201420002378.0 discloses a kind of cantilever crane.Its main technical schemes is:Including column, set
On the upside of the column and the revoliving arm that can be rotated in the horizontal direction relative to the column and the electricity for article hoisting
Dynamic cucurbit, wherein, in addition to telescopic arm, the telescopic arm be installed on below the revoliving arm and can be by the first driving machine
The length direction of revoliving arm reciprocatingly slides described in structure drives edge, and the electric block is installed on below the telescopic arm and can
Reciprocatingly slided by the length direction of telescopic arm described in the second drive mechanism drives edge.This invention mainly describes a kind of cantilever
Hang, used the actuators such as motor, cost is higher and from great, it is impossible to folding operation inconvenience.
The content of the invention
Arm is folded for existing self-unloading oceangoing ship and cost height technically be present, and the negative surplus of belt is big, own wt is big etc.
Deficiency, the present invention provides the two section folding conveyers that a kind of hoist engine automatically controls.
The two section folding conveyers that a kind of hoist engine automatically controls, including two section conveying arms, main portal frame 7, hoist engine;Its
It is characterised by:Also include auxiliary portal frame 13, hydraulic jack 5, stopping means 12;Second conveying arm 11 uses parallel chord truss formula
Structure, its big end are hinged with the base on hull, and its small end and the first end greatly of conveying arm 14 are be hinged;The auxiliary portal frame
13, which are hinged on the first conveying arm 14, is held on hinge hole greatly, and stopping means 12 is provided with hinge hole;The hoist engine includes elevator
Machine I 1, hoist engine II 2, hoist engine III 3, are sequentially arranged on hull, and hoist engine I 1 bypasses main portal frame top by steel wire rope I 8
Head sheave group 4 connects the assembly pulley of the side of the second conveying arm 11, and hoist engine II 2 bypasses main portal frame top by steel wire rope II 10
Assembly pulley 4 connects the assembly pulley of auxiliary portal frame 13, and hoist engine III 3 is connected by steel wire rope III 9 around main portal frame top assembly pulley 4
Connect the assembly pulley of the side of the first conveying arm 14;The main portal frame 7 is arranged on hull, and its 90 degree are realized by hydraulic jack 5
Fold, support shaft 6 is installed on the outside of portal frame upper end, and pressure sensor is installed on axle.
The limitation axle of the stopping means 12 is Step Shaft, and one end is helicitic texture, and the other end is terraced steps, makes auxiliary dragon
Door frame 13 can stably lean against on limit shaft 12 by limit shaft and conveying arm side plate, double swerve does not occur.
Support shaft 6 is installed on the outside of the upper end of main portal frame 7, and pressure sensor is installed on axle, when arm support and branch
Support axle 6 is contacted or separated, and pressure sensor detects pressure or distress resolves, automatic control system energy automatic start or stop solution
Compressing cylinder 5, so can telescopic hydraulic oil cylinder exactly, it is fixed on operating position, the safety for avoiding operational error from bringing
Hidden danger.
The upper end of main portal frame 7 be provided with it is lower in upper three groups of pulleys, be respectively intended to around hoist engine I 1, hoist engine II 2, volume
The steel wire rope of machine III 3 is raised, can effectively prevent steel wire rope from producing interference.
The assembly pulley of the conveying arm 11 of first conveying arm 14 and second is welded on conveying arm side, and in welding position
Reinforcing plate is provided with, is provided at both ends with connecting plate in the first conveying arm 14 and the second conveying arm 11, and be provided with hinge hole so that
First conveying arm 14 and the second conveying arm 11 can rotate around hinge hole.
Idler machining, bottom purlin are uniformly installed on the intermediate truss cross bar of the conveying arm 11 of first conveying arm 14 and second
Frame surface is provided with return idler, conveyer belt uniform force, effectively prevents that conveying thing drops, and improves transfer efficiency.
The two section folding conveyers that the hoist engine automatically controls are controlled using programmable control system, and hoist engine passes through hand
Remote controller operation is held, each operation positioning can be made simpler, accurate.
The hoist engine automatically control two section folding conveyers operating methods be:1)Deploy arm support, start hydraulic oil
Cylinder 5, two joint arm framves are jacked up into vertical state by main portal frame 7;Start hoist engine I 1, broadcast steel wire rope I 8, make conveying arm
It is expanded in the presence of deadweight close to horizontal level;Start hoist engine II 2, tense wire rope II 10, by the first conveying arm 14
Reversely it is pulled up to vertical state;Start hoist engine III 3, tense wire rope III 9, expansion the first conveying arm 14 to the second conveying arm
11 is conllinear;2)Arm support is reclaimed, removal process is with expansion arm support operating process on the contrary, principle is identical.
Compared with existing folding conveyer, beneficial effect of the present invention is:Employ hoist engine and automatically control upward folding
Folded scheme, remote controller operation hoist engine are convenient and accurate;Deadweight is compared with light and saving part raw material so as to which cost is low;It is folded up
The negative scheme foldable arm rack that is remaining, and being automatically controlled using auxiliary portal frame with hoist engine of belt is reduced, significantly reduces fold mechanism
Deadweight and operation difficulty;Compared with existing folding conveyer, safety coefficient is further increased, simplifies device structure and group
Into so as to reduce cost.
Brief description of the drawings
Fig. 1 is the schematic diagram under operational configuration of the present invention.
Fig. 2 is that main portal frame jacks up conveying arm to schematic diagram during vertical state.
Fig. 3 is schematic diagram when the first conveying arm reaches operating position.
Fig. 4 is that the first conveying arm reaches operating position, and the second conveying arm is expanded to schematic diagram during vertical position.
Fig. 5 is the schematic diagram under working condition of the present invention.
Fig. 6 is the first conveying arm and the schematic diagram of the second conveying arm junction.
Fig. 7 is the stopping means schematic diagram on the big end hinge hole of the first conveying arm.
Description of reference numerals:1-hoist engine I, 2-hoist engine II, 3-hoist engine III, 4-main portal frame top pulley
Group, 5-hydraulic jack, 6-support shaft, 7-main portal frame, 8-steel wire rope I, 9-steel wire rope III, 10-steel wire rope II, 11-
Second conveying arm, 12-stopping means, 13-auxiliary portal frame, the 14-the first conveying arm.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in figure 1, the two section folding conveyers that a kind of hoist engine automatically controls, including two section conveying arms, main portal frame
7th, hoist engine;It is characterized in that:Also include auxiliary portal frame 13, hydraulic jack 5, stopping means 12;Second conveying arm 11 is adopted
With parallel chord truss formula structure, its big end is hinged with the base on hull, and its small end and the first end greatly of conveying arm 14 are be hinged;
Idler machining is uniformly installed on the intermediate truss cross bar of the conveying arm 11 of first conveying arm 14 and second, its side is welded with pulley
Group, and welding position is provided with reinforcing plate;The auxiliary portal frame 13 is hinged on the first conveying arm 14 and held on hinge hole greatly, is hinged
The stopping means 12 being made up of helicitic texture and terraced steps is provided with hole;The main portal frame upper end is provided with upper, middle and lower three
Group pulley, is respectively intended to the steel wire rope on hoist engine;The hoist engine includes hoist engine I 1, hoist engine II 2, hoist engine III 3,
It is sequentially arranged on hull, hoist engine I 1 connects the second conveying arm 11 by steel wire rope I 8 around main portal frame top assembly pulley 4
The assembly pulley of side, hoist engine II 2 connect the cunning of auxiliary portal frame 13 by steel wire rope II 10 around main portal frame top assembly pulley 4
Wheel group, hoist engine III 3 connect the pulley of the side of the first conveying arm 14 by steel wire rope III 9 around main portal frame top assembly pulley 4
Group;The main portal frame 7 is arranged on hull, is realized its 90 degree foldings by hydraulic jack 5, is provided with the outside of portal frame upper end
Support shaft 6, and pressure sensor is installed on axle.
As shown in Figures 2 and 3, support shaft 6 is installed on the outside of the upper end of main portal frame 7, and pressure sensing is installed on axle
Device, when arm support is contacted or separated with support shaft 6, pressure sensor detects pressure or distress resolves, and automatic control system can be certainly
It is dynamic to start or stop hydraulic jack 5;The upper end of main portal frame 7 be provided with it is lower in upper three groups of pulleys, be respectively intended to around hoist engine I
1st, hoist engine II 2, the steel wire rope of hoist engine III 3;The assembly pulley of the conveying arm 11 of first conveying arm 14 and second is welded on
Conveying arm side, and reinforcing plate is provided with welding position, it is provided with hinge hole in reinforcing plate.
Conveyer expansion process shown in 1-5 with reference to the accompanying drawings, specific expansion and method for folding are:In the process of expansion arm support
In, first start hydraulic jack 5, jacked up two joint arm framves into vertical state by main portal frame 7;Then start hoist engine I 1, put
Steel wire rope I 8 is sent, conveying arm is expanded in the presence of deadweight close to horizontal level;Start hoist engine II 2, tense wire rope
II 10, the first conveying arm 14 is reversely pulled up to vertical state;Start hoist engine III 3, tense wire rope III 9, it is defeated to deploy first
Arm 14 is sent to, the work of completion expansion arm support conllinear with the second conveying arm 11.Reclaim arm support process and expansion arm support operating process
On the contrary, principle is identical.
Fig. 6 is the first conveying arm and the schematic diagram of the second conveying arm junction, and hinge hole is provided with junction steel plate;It is described
Idler machining is uniformly installed, bottom truss surface is provided with the intermediate truss cross bar of the first conveying arm 14 and the second conveying arm 11
Return idler;Fig. 7 is the stopping means schematic diagram on the big end hinge hole of the first conveying arm, and one end of axle is provided with helicitic texture,
Round nut is coordinated to use, the other end is provided with step.
Claims (8)
1. the two section folding conveyers that a kind of hoist engine automatically controls, including two section conveying arms, main portal frame(7), hoist engine, its
It is characterised by:Also include auxiliary portal frame (13), hydraulic jack (5), stopping means (12);Second conveying arm (11) is using ladder
Shape truss structure, its big end are hinged with the base on hull, and its small end and the first conveying arm (14) end greatly are be hinged;Institute
State auxiliary portal frame (13) and be hinged on the first conveying arm (14) greatly on the hinge hole of end, stopping means is provided with hinge hole(12);Institute
Stating hoist engine includes hoist engine I (1), hoist engine II (2), hoist engine III (3), is sequentially arranged on hull, and hoist engine I (1) is logical
Cross steel wire rope I(8)Around main portal frame top assembly pulley(4)Connect the second conveying arm(11)The assembly pulley of side, hoist engine II
(2)Pass through steel wire rope II(10)Around main portal frame top assembly pulley(4)Connect auxiliary portal frame(13)Assembly pulley, hoist engine III
(3) steel wire rope III is passed through(9)Around the assembly pulley of main portal frame top assembly pulley (4) connection the first conveying arm (14) side;Institute
State main portal frame(7)On hull, pass through hydraulic jack(5)Its 90 degree foldings are realized, are provided with the outside of portal frame upper end
Support shaft(6), and pressure sensor is installed on axle.
2. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:It is described spacing
Device(12)Limitation axle be Step Shaft, one end is helicitic texture, and the other end is terraced steps.
3. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The main dragon
Door frame(7)Support shaft is installed on the outside of upper end(6), and pressure sensor is installed on axle, when arm support and support shaft(6)Contact or
Separation, pressure sensor detect pressure or distress resolves, automatic control system energy automatic start or stopping hydraulic jack(5).
4. the two section folding conveyers that a kind of hoist engine according to claim 3 automatically controls, it is characterized in that:The main dragon
Door frame(7)Upper end be provided with it is lower in upper three groups of pulleys, be respectively intended to around hoist engine I (1), hoist engine II (2), hoist engine III (3)
Steel wire rope.
5. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:Described first
Conveying arm(14)With the second conveying arm(11)Assembly pulley be welded on conveying arm side, and reinforcement is provided with welding position
Plate, in the first conveying arm(14)With the second conveying arm(11)Be provided at both ends with connecting plate, and be provided with hinge hole.
6. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:Described first
Conveying arm(14)With the second conveying arm(11)Intermediate truss cross bar on idler machining is uniformly installed, bottom truss surface is provided with
Return idler.
7. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The elevator
The two section folding conveyers that machine automatically controls are controlled using programmable control system, and hoist engine is operated by hand-held remote controller.
8. the two section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The elevator
Machine automatically control two section folding conveyers operating methods be:1)Deploy arm support, start hydraulic jack (5), pass through main gantry
Frame (7) jacks up two joint arm framves into vertical state;Start hoist engine I (1), broadcast steel wire rope I(8), make conveying arm in deadweight
It is expanded under effect close to horizontal level;Start hoist engine II (2), tense wire rope II(10), the first conveying arm (14) is anti-
To being pulled up to vertical state;Start hoist engine III (3), tense wire rope III(9), deploy the first conveying arm(14)It is extremely defeated with second
Send arm(11)Collinearly;2)Arm support is reclaimed, removal process is with expansion arm support operating process on the contrary, principle is identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711141346.3A CN107628555A (en) | 2017-11-17 | 2017-11-17 | The two section folding conveyers that a kind of hoist engine automatically controls |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711141346.3A CN107628555A (en) | 2017-11-17 | 2017-11-17 | The two section folding conveyers that a kind of hoist engine automatically controls |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107628555A true CN107628555A (en) | 2018-01-26 |
Family
ID=61108692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711141346.3A Pending CN107628555A (en) | 2017-11-17 | 2017-11-17 | The two section folding conveyers that a kind of hoist engine automatically controls |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107628555A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108455318A (en) * | 2018-03-30 | 2018-08-28 | 长沙理工大学 | A kind of multi-bar linkage conveyer |
CN109604170A (en) * | 2018-12-18 | 2019-04-12 | 长沙理工大学 | A kind of conveying and blanking device |
CN109650006A (en) * | 2018-12-18 | 2019-04-19 | 长沙理工大学 | A kind of bulk conveying system |
CN110697436A (en) * | 2019-10-16 | 2020-01-17 | 长沙理工大学 | Horizontal rotation's folding arm conveyer |
CN110999669A (en) * | 2019-12-23 | 2020-04-14 | 北京工业大学 | Planting frame tractor |
WO2021072894A1 (en) * | 2019-10-16 | 2021-04-22 | 长沙理工大学 | Large-span bulk material conveying system |
CN114988147A (en) * | 2022-06-24 | 2022-09-02 | 华东交通大学 | Intelligent material transfer equipment |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004035253A (en) * | 2002-06-29 | 2004-02-05 | Shigeo Satake | Foldable tandem type mobile crane |
US20040033124A1 (en) * | 2000-09-18 | 2004-02-19 | Hans Schaeff | Goods transshipment apparatus |
US20100282702A1 (en) * | 2009-05-07 | 2010-11-11 | Steindl Johannes | Crane |
CN203922141U (en) * | 2014-07-07 | 2014-11-05 | 湖南德邦重工机械有限公司 | A kind of folding conveying arm of multimachine structure of transporting the protection of sand self-unloading oceangoing ship band door frame |
CN104150372A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Hydraulic foldable arm telescopic crane for ships |
CN204265034U (en) * | 2014-10-21 | 2015-04-15 | 益阳建阳机械制造有限公司 | Boats and ships modified form hydraulic foldable conveying arm structure |
CN204279882U (en) * | 2014-11-14 | 2015-04-22 | 尹来容 | The callable carrier of a kind of conveying arm |
CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
CN207811131U (en) * | 2017-11-17 | 2018-09-04 | 长沙理工大学 | A kind of two section folding conveyers that hoist engine automatically controls |
-
2017
- 2017-11-17 CN CN201711141346.3A patent/CN107628555A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040033124A1 (en) * | 2000-09-18 | 2004-02-19 | Hans Schaeff | Goods transshipment apparatus |
JP2004035253A (en) * | 2002-06-29 | 2004-02-05 | Shigeo Satake | Foldable tandem type mobile crane |
US20100282702A1 (en) * | 2009-05-07 | 2010-11-11 | Steindl Johannes | Crane |
CN203922141U (en) * | 2014-07-07 | 2014-11-05 | 湖南德邦重工机械有限公司 | A kind of folding conveying arm of multimachine structure of transporting the protection of sand self-unloading oceangoing ship band door frame |
CN104150372A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Hydraulic foldable arm telescopic crane for ships |
CN204265034U (en) * | 2014-10-21 | 2015-04-15 | 益阳建阳机械制造有限公司 | Boats and ships modified form hydraulic foldable conveying arm structure |
CN204279882U (en) * | 2014-11-14 | 2015-04-22 | 尹来容 | The callable carrier of a kind of conveying arm |
CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
CN207811131U (en) * | 2017-11-17 | 2018-09-04 | 长沙理工大学 | A kind of two section folding conveyers that hoist engine automatically controls |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108455318A (en) * | 2018-03-30 | 2018-08-28 | 长沙理工大学 | A kind of multi-bar linkage conveyer |
US10787327B2 (en) | 2018-03-30 | 2020-09-29 | Changsha University Of Science And Technology | Multi-bar linkage mechanism based conveyor |
CN109604170A (en) * | 2018-12-18 | 2019-04-12 | 长沙理工大学 | A kind of conveying and blanking device |
CN109650006A (en) * | 2018-12-18 | 2019-04-19 | 长沙理工大学 | A kind of bulk conveying system |
CN109650006B (en) * | 2018-12-18 | 2023-05-05 | 长沙理工大学 | Bulk cargo conveying system |
CN109604170B (en) * | 2018-12-18 | 2023-05-05 | 长沙理工大学 | Conveying and blanking device |
WO2021072894A1 (en) * | 2019-10-16 | 2021-04-22 | 长沙理工大学 | Large-span bulk material conveying system |
US10994935B1 (en) | 2019-10-16 | 2021-05-04 | Changsha University Of Science And Technology | Large-span bulk material conveying system |
CN110697436A (en) * | 2019-10-16 | 2020-01-17 | 长沙理工大学 | Horizontal rotation's folding arm conveyer |
CN110999669B (en) * | 2019-12-23 | 2022-05-24 | 北京工业大学 | Planting frame tractor |
CN110999669A (en) * | 2019-12-23 | 2020-04-14 | 北京工业大学 | Planting frame tractor |
CN114988147A (en) * | 2022-06-24 | 2022-09-02 | 华东交通大学 | Intelligent material transfer equipment |
CN114988147B (en) * | 2022-06-24 | 2023-06-16 | 华东交通大学 | Intelligent material transfer equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107628555A (en) | The two section folding conveyers that a kind of hoist engine automatically controls | |
CN107720572A (en) | The three section folding conveyers that a kind of hoist engine automatically controls | |
CN105858269B (en) | Deflecting conveys travelling unloader | |
CN202744222U (en) | Hand-operated upright column-type hydraulic crane | |
CN203229335U (en) | Two-in-one crane | |
CN201890731U (en) | Crane | |
CN105109996B (en) | A kind of breaker assembling line and its control method | |
CN100436300C (en) | Wire rope reeving support system for cargo container handling gantry cranes | |
CN103145051A (en) | Separated hoisting device of offshore wind turbine generator, and installation method | |
CN206156637U (en) | Electronic heavy hoist of frequency conversion | |
CN215859952U (en) | Stable and efficient aerial ladder | |
CN206220602U (en) | Intelligent automobile lifts transfer car(buggy) | |
CN207699078U (en) | A kind of three section folding conveyers that hoist engine automatically controls | |
WO2016058266A1 (en) | Port mobile crane capable of being proof against storm wind and capable of overturning to transfer by means of mechanism design | |
CN207811131U (en) | A kind of two section folding conveyers that hoist engine automatically controls | |
CN105217413B (en) | Become the oblique operation container self-level(l)ing device of the gradient and method | |
CN202808301U (en) | Equipment moving machine for moving adhesive tape conveying equipment | |
CN205892576U (en) | Fast set up tower crane's jib loading boom turns over a device | |
CN106986274A (en) | A kind of container crane and its method of work | |
CN207061690U (en) | Bridge crane with suspender maintenance rig | |
CN110526137A (en) | A kind of certainly mobile type fast erecting tower crane | |
CN204452834U (en) | Self-unloading oceangoing ship outrigger foldable belt conveyor | |
CN211769624U (en) | Jump-layer type automobile metal plate hanging and transferring system | |
CN201647943U (en) | Foldable five-section suspension arm device for containers | |
CN211712452U (en) | Novel gantry crane for tunnel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |