CN206051384U - Dual-driving chain single failure protects dolly - Google Patents

Dual-driving chain single failure protects dolly Download PDF

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Publication number
CN206051384U
CN206051384U CN201621057817.3U CN201621057817U CN206051384U CN 206051384 U CN206051384 U CN 206051384U CN 201621057817 U CN201621057817 U CN 201621057817U CN 206051384 U CN206051384 U CN 206051384U
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China
Prior art keywords
movable pulley
pulley
wire rope
fixed
fixed pulley
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Withdrawn - After Issue
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CN201621057817.3U
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Chinese (zh)
Inventor
徐宏伟
张金晶
苏冬
王希子
曹旭阳
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Dalian Huarui Heavy Industry Group Co Ltd
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Dalian Huarui Heavy Industry Group Co Ltd
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Priority to CN201621057817.3U priority Critical patent/CN206051384U/en
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Abstract

The utility model discloses a kind of dual-driving chain single failure protects dolly, including:Trolley frame, wheeling mechanism, the main hoisting mechanism being installed on trolley frame, maintenance elevator and auxiliary hoisting mechanism;Main hoisting mechanism includes:Two-stage drive device and wire rope roll system for winding;Wire rope roll system for winding includes:Counter-jib, fixed pulley group, leading block group, steel wire rope I, steel wire rope II, the running block with suspender and the hydraulic damper for providing counter-jib damping of oscillations being arranged on trolley frame;Using this utility model of above-mentioned technical proposal using the replaceable operation of two-stage drive device two sets of systems of guarantee, still can be worked for another after the pile warp distinguished is oriented to kind of drive realization when wherein steel cable fracture using two sets of steel wire ropes.

Description

Dual-driving chain single failure protects dolly
Technical field
This utility model is related to handling machinery field, it is adaptable to the polar crane of handling Dangerous Load in nuclear power station On dual-driving chain single failure protection dolly.
Background technology
The polar crane hoisting mechanism for trolley of prior art is single-drive chain drive form, when a set of mechanisms fail When, load can be maintained, manually device can only be declined, but be unable to lifted load, continue after have impact on crane failure The operation of handling Dangerous Load, brings risk to nuclear power station;The polar crane maintenance elevator of prior art is a set of in addition, is received Maintenance elevator jib-length, stem height etc. are limited, and maintenance elevator coverage is little, in-convenience in use.
Therefore market in urgent need is a kind of drives with dual-driving chain and double polar crane dollies for keeping in repair hoisting mechanism.
The content of the invention
This utility model is directed to above-mentioned technical problem, proposes a kind of ring driven with dual-driving chain with double maintenance hoisting mechanisms Row monkey.
To reach object above, it is achieved through the following technical solutions:
Dual-driving chain single failure protects dolly, including:Trolley frame, wheeling mechanism, the master being installed on trolley frame Lifting mechanism, maintenance elevator and auxiliary hoisting mechanism;
Main hoisting mechanism includes:Two-stage drive device and wire rope roll system for winding;
First order driving means include:Power source motor I, auxiliary power source hand-operated mechanism I, is assemblied in power source electronic Brake I and decelerator I on I output shaft of machine and on I output shaft of hand-operated mechanism;
Power source motor I and I final power of hand-operated mechanism are input into the input shaft of decelerator I;
The output shaft of decelerator I is coupled with reel group, and while installs combined encoder I;
Second level driving means include:Power source motor II, auxiliary power source hand-operated mechanism II are assemblied in power source electricity Brake II and decelerator II on II output shaft of motivation and on II output shaft of hand-operated mechanism;
Power source motor II and II final power of hand-operated mechanism are input into the input shaft of decelerator II;
The output shaft of decelerator II is coupled with reel group, and while installs combined encoder II;
Wire rope roll system for winding includes:It is arranged at counter-jib on trolley frame, fixed pulley group, leading block group, steel wire rope Ith, steel wire rope II, the running block with suspender and the hydraulic damper for providing counter-jib damping of oscillations;
Fixed pulley group includes:It is fixed pulley I, fixed pulley II, fixed pulley III, fixed pulley IV, fixed pulley V, fixed pulley VI, fixed Pulley VII, fixed pulley VIII;
Leading block group includes:Leading block I and leading block II;
Running block includes:It is movable pulley I, movable pulley II, movable pulley III, movable pulley IV, movable pulley V, movable pulley VI, dynamic Pulley VI, movable pulley VII, movable pulley VIII, movable pulley Ⅸ, movable pulley Ⅹ, movable pulley Ⅺ, movable pulley Ⅻ and suspender;
After steel wire rope I winds out from reel group, respectively through movable pulley III, fixed pulley II, movable pulley II, fixed pulley I, Movable pulley I, Jing after leading block I is oriented to, then via movable pulley Ⅻ, fixed pulley VIII, movable pulley Ⅺ, fixed pulley VII, movable pulley Ⅹ, It is then attached to counter-jib one end;
After steel wire rope II winds out from reel group, respectively through movable pulley VII, fixed pulley V, movable pulley VIII, fixed pulley VIth, movable pulley Ⅸ, Jing after leading block II is oriented to, then via movable pulley IV, fixed pulley III, movable pulley V, fixed pulley IV, dynamic cunning Wheel VI, is then attached to the counter-jib other end;
Any a set of winding system that steel wire rope I or steel wire rope II are constituted be enough to balanced support running block, when steel wire rope I During fracture, the winding system that steel wire rope II is constituted can support running block, otherwise when steel wire rope II ruptures, I structure of steel wire rope Into winding system can support running block;
Hydraulic damper during any steel cable fracture, can play cushioning effect in steel wire rope I or steel wire rope II, Impact is produced after preventing steel cable fracture;
Maintenance elevator includes:The column that is fixed on trolley frame, to be fixed on the horizontal-extending arm support in column upper end, raising little The rotating mechanism that car and driving arm support are rotated around column;Lifting trolley can be run along arm support, under the driving of rotating mechanism, Arm support, lifting trolley can be rotated around column;
Further, it is 2 sets to keep in repair elevator quantity, and the single failure that can use up the double maintenance elevators of maximum magnitude covering band is protected The region that Awaiting Parts on shield dolly are located.
Using the utility model works principle of above-mentioned technical proposal:Main hoisting mechanism, auxiliary hoisting mechanism are arranged on dolly On frame, trolley frame bottom is provided with wheeling mechanism, and 2 sets of maintenance elevators are provided with trolley frame, and maintenance elevator is used to keep in repair When handling is carried out to the Awaiting Parts on dolly.Main hoisting mechanism possesses single failure defencive function, when combined encoder I, steel Cord reel system, hand-operated mechanism I, brake I, decelerator I, in motor I during any one component failure, motor IIth, brake II, decelerator II, hand-operated mechanism II, combined encoder II can also drive reel group, and then drive wire rope roll System for winding is operated;Conversely, when in motor II, brake II, decelerator II, hand-operated mechanism II, combined encoder II During one component failure of meaning, combined encoder I, wire rope roll system for winding, hand-operated mechanism I, brake I, decelerator I, electricity Motivation I can also drive reel group, and then drive wire rope roll system for winding to be operated.
To sum up, this utility model has advantages below compared with prior art:
1st, the trolley is driven for dual-driving chain, when a set of driving-chain single failure, another set of to drive lifting machine Structure works on.
2nd, the single failure protection of wire cable rupture is realized using double-steel wire rope cross winding form.
3rd, maintenance service scope is expanded using double maintenance elevators.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of description, and in order to allow above and other purpose of the present utility model, feature Can become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Description of the drawings
This utility model totally 8 width accompanying drawing, wherein:
Fig. 1 is overlooking the structure diagram of the present utility model.
Fig. 2 is Fig. 1 front views.
Fig. 3 is lifting mechanism schematic diagram of the present utility model.
Fig. 4 is Fig. 3 A direction views.
Fig. 5 is wire rope roll system for winding structural representation of the present utility model.
Fig. 6 is wirerope-winding structure principle chart of the present utility model.
Fig. 7 is wirerope-winding mode schematic diagram of the present utility model.
Fig. 8 is that this utility model keeps in repair elevator structural representation.
Specific embodiment
A kind of dual-driving chain single failure protection dolly as shown in Figures 1 to 8, including:Trolley frame 3.1, trolley travelling Mechanism 3.5, the main hoisting mechanism 3.2 being installed on trolley frame 3.1, maintenance elevator 3.3 and auxiliary hoisting mechanism 3.4;
Main hoisting mechanism 3.2 includes:Two-stage drive device and wire rope roll system for winding 3.203;
First order driving means include:Power source motor I 3.207, auxiliary power source hand-operated mechanism I 3.204, is assemblied in Brake I 3.205 and decelerator I on I 3.207 output shaft of power source motor and on I 3.204 output shaft of hand-operated mechanism 3.206;
Power source motor I 3.207 and I 3.204 final power of hand-operated mechanism are input into the input shaft of decelerator I 3.206;
The output shaft of decelerator I 3.206 is coupled with reel group 3.202, and while installs combined encoder I 3.201;
Second level driving means include:Power source motor II 3.208, auxiliary power source hand-operated mechanism II 3.211, assembling Brake II 3.209 and decelerator on II 3.208 output shaft of power source motor and on II 3.211 output shaft of hand-operated mechanism Ⅱ3.210;
Power source motor II 3.208 and II 3.211 final power of hand-operated mechanism are input into the input of decelerator II 3.210 Axle;
The output shaft of decelerator II 3.210 is coupled with reel group 3.202, and while installs combined encoder II 3.212;
Wire rope roll system for winding 3.203 includes:It is arranged at counter-jib 3.203-1 on trolley frame 3.1, fixed pulley group 3.203-2, leading block group 3.203-3, I 3.203-4 of steel wire rope, II 3.203-5 of steel wire rope, the running block with suspender The 3.203-6 and hydraulic damper 3.203-7 for providing counter-jib 3.203-1 damping of oscillations;
Fixed pulley group 3.203-2 includes:It is I A-1 of fixed pulley, II A-2 of fixed pulley, III A-3 of fixed pulley, IV A-4 of fixed pulley, fixed V A-5 of pulley, VI A-6 of fixed pulley, VII A-7 of fixed pulley, VIII A-8 of fixed pulley;
Leading block group 3.203-3 includes:II B-2 of I B-1 of leading block and leading block;
Running block 3.203-2 includes:It is I C-1 of movable pulley, II C-2 of movable pulley, III C-3 of movable pulley, IV C-4 of movable pulley, dynamic V C-5 of pulley, VI C-6 of movable pulley, VI C-6 of movable pulley, VII C-7 of movable pulley, VIII C-8 of movable pulley, Ⅸ C-9 of movable pulley, movable pulley Ⅹ C-10, Ⅺ C-11 of movable pulley, movable pulley Ⅻ C-12 and suspender C-13;
After I 3.203-4 of steel wire rope winds out from reel group 3.202, respectively through III C-3 of movable pulley, II A- of fixed pulley 2nd, III C-2 of movable pulley, I A-1 of fixed pulley, I C-1 of movable pulley, Jing I B-1 of leading block be oriented to after, then via Ⅻ C-12 of movable pulley, VIII A-8 of fixed pulley, Ⅺ C-11 of movable pulley, VII A-7 of fixed pulley, Ⅹ C-10 of movable pulley, are then attached to counter-jib 3.203-1 mono- End;
After II 3.203-5 of steel wire rope winds out from reel group 3.202, respectively through VII C-7 of movable pulley, V A- of fixed pulley 5th, VIII C-8 of movable pulley, VI A-6 of fixed pulley, Ⅸ C-9 of movable pulley, Jing after II B-2 of leading block is oriented to, then via IV C- of movable pulley 4th, III A-3 of fixed pulley, V C-5 of movable pulley, IV A-4 of fixed pulley, VI C-6 of movable pulley, are then attached to the counter-jib other end;
Any a set of winding system that I 3.203-4 of steel wire rope or II 3.203-5 of steel wire rope is constituted be enough to the dynamic cunning of balanced support Wheel group 3.203-6, when I 3.203-4 of steel wire rope ruptures, the winding system that II 3.203-5 of steel wire rope is constituted can prop up racking cunning Wheel group 3.203-6, on the contrary when II 3.203-5 of steel wire rope ruptures, the winding system that I 3.203-4 of steel wire rope is constituted can be supported Running block 3.203-6;
Hydraulic damper 3.203-7 any steel cables in II 3.203-5 of I 3.203-4 of steel wire rope or steel wire rope break When splitting, cushioning effect can be played, after preventing steel cable fracture, produce impact;
Maintenance elevator 3.3 includes:The column 3.34 that is fixed on trolley frame 3.1, it is fixed on 3.34 upper end level of column and prolongs The rotating mechanism 3.33 that arm support 3.31, lifting trolley 3.32 and the driving arm support 3.31 stretched is rotated around column 3.34;Lifting trolley 3.32 can run along arm support 3.31, and under the driving of rotating mechanism 3.33, arm support 3.31, lifting trolley 3.32 can be around vertical Post 3.34 rotates;
Further, 3.3 quantity of elevator is keeped in repair for 2 sets, can use up the single event that maximum magnitude covers the double maintenance elevators of band The region that Awaiting Parts on barrier protection dolly are located.
Using the utility model works principle of above-mentioned technical proposal:Main hoisting mechanism 3.2, auxiliary hoisting mechanism 3.4 are installed On trolley frame 3.1, trolley frame bottom is provided with wheeling mechanism 3.5, and 2 sets of maintenance elevators are provided with trolley frame 3.1 3.3, maintenance elevator 3.3 is used to carry out handling to the Awaiting Parts on dolly when keeping in repair.Main hoisting mechanism 3.2 possesses single failure Defencive function, when combined encoder I 3.201, wire rope roll system for winding 3.203, hand-operated mechanism I 3.204, brake I 3.205, In decelerator I 3.206, motor I 3.207 during any one component failure, motor II 3.208, brake II 3.209th, decelerator II 3.210, hand-operated mechanism II 3.211, combined encoder II 3.212 can also drive reel group 3.202, enter And drive wire rope roll system for winding 3.203 to be operated;Conversely, working as motor II 3.208, brake II 3.209, decelerator II 3.210th, in hand-operated mechanism II 3.211, combined encoder II 3.212 during any one component failure, combined encoder I 3.201st, wire rope roll system for winding 3.203, hand-operated mechanism I 3.204, brake I 3.205, decelerator I 3.206, motor I 3.207 can also drive reel group 3.202, and then drive wire rope roll system for winding 3.203 to be operated.
The above, is only preferred embodiment of the present utility model, not makees any formal to this utility model Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe Professional and technical personnel is known in the range of without departing from technical solutions of the utility model, when the technology contents using the disclosure above Make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as without departing from technical solutions of the utility model Hold, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, still Belong in the range of technical solutions of the utility model.

Claims (2)

1. dual-driving chain single failure protects dolly, including:Trolley frame (3.1), wheeling mechanism (3.5), it is installed on dolly Main hoisting mechanism (3.2), maintenance elevator (3.3) and auxiliary hoisting mechanism (3.4) on frame (3.1);
It is characterized in that:
The main hoisting mechanism (3.2) includes:Two-stage drive device and wire rope roll system for winding (3.203);
First order driving means include:Power source motor I (3.207), auxiliary power source hand-operated mechanism I (3.204), is assemblied in Brake I (3.205) and deceleration on I (3.207) output shaft of power source motor and on I (3.204) output shaft of hand-operated mechanism Device I (3.206);
Power source motor I (3.207) and I (3.204) final power of hand-operated mechanism are input into the input of decelerator I (3.206) Axle;
The output shaft of decelerator I (3.206) is coupled with reel group (3.202), and while installs combined encoder I (3.201);
Second level driving means include:Power source motor II (3.208), auxiliary power source hand-operated mechanism II (3.211), assembling Brake II (3.209) on II (3.208) output shaft of power source motor and on II (3.211) output shaft of hand-operated mechanism and Decelerator II (3.210);
Power source motor II (3.208) and II (3.211) final power of hand-operated mechanism are input into defeated to decelerator II (3.210) Enter axle;
The output shaft of decelerator II (3.210) is coupled with reel group (3.202), and while installs combined encoder II (3.212);
The wire rope roll system for winding (3.203) includes:It is arranged at counter-jib (3.203-1) on trolley frame (3.1), fixed pulley Group (3.203-2), leading block group (3.203-3), steel wire rope I (3.203-4), steel wire rope II (3.203-5), moving with suspender Assembly pulley (3.203-6) and the hydraulic damper (3.203-7) for providing counter-jib (3.203-1) damping of oscillations;
The fixed pulley group (3.203-2) includes:Fixed pulley I (A-1), fixed pulley II (A-2), fixed pulley III (A-3), fixed pulley IV (A-4), fixed pulley V (A-5), fixed pulley VI (A-6), fixed pulley VII (A-7), fixed pulley VIII (A-8);
Leading block group (3.203-3) includes:Leading block I (B-1) and leading block II (B-2);
Running block (3.203-2) includes:Movable pulley I (C-1), movable pulley II (C-2), movable pulley III (C-3), movable pulley IV (C-4), movable pulley V (C-5), movable pulley VI (C-6), movable pulley VI (C-6), movable pulley VII (C-7), movable pulley VIII (C-8), Movable pulley Ⅸ (C-9), movable pulley Ⅹ (C-10), movable pulley Ⅺ (C-11), movable pulley Ⅻ (C-12) and suspender (C-13);
After the steel wire rope I (3.203-4) is wound out from reel group (3.202), respectively through movable pulley 3 (C-3), fixed pulley II (A-2), movable pulley III (C-2), fixed pulley I (A-1), movable pulley I (C-1), Jing after leading block I (B-1) is oriented to, then via Movable pulley Ⅻ (C-12), fixed pulley VIII (A-8), movable pulley Ⅺ (C-11), fixed pulley VII (A-7), movable pulley Ⅹ (C-10), then It is fixed on counter-jib (3.203-1) one end;
After the steel wire rope II (3.203-5) is wound out from reel group (3.202), respectively through movable pulley VII (C-7), fixed cunning V (A-5) of wheel, movable pulley VIII (C-8), fixed pulley VI (A-6), movable pulley Ⅸ (C-9), Jing after leading block II (B-2) is oriented to, Again via movable pulley IV (C-4), fixed pulley III (A-3), movable pulley V (C-5), fixed pulley IV (A-4), movable pulley VI (C-6), It is then attached to the counter-jib other end;
Maintenance elevator (3.3) includes:The column (3.34) that is fixed on trolley frame (3.1), it is fixed on column (3.34) The whirler that the horizontal-extending arm support (3.31) in end, lifting trolley (3.32) and driving arm support (3.31) are rotated around column (3.34) Structure (3.33);Lifting trolley (3.32) can be run along arm support (3.31), under the driving of rotating mechanism (3.33), arm support (3.31), lifting trolley (3.32) can be rotated around column (3.34).
2. dual-driving chain single failure according to claim 1 protects dolly, it is characterised in that:The maintenance elevator (3.3) quantity is 2 sets.
CN201621057817.3U 2016-09-14 2016-09-14 Dual-driving chain single failure protects dolly Withdrawn - After Issue CN206051384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621057817.3U CN206051384U (en) 2016-09-14 2016-09-14 Dual-driving chain single failure protects dolly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621057817.3U CN206051384U (en) 2016-09-14 2016-09-14 Dual-driving chain single failure protects dolly

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CN201621057817.3U Withdrawn - After Issue CN206051384U (en) 2016-09-14 2016-09-14 Dual-driving chain single failure protects dolly

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185661A (en) * 2016-09-14 2016-12-07 大连华锐重工集团股份有限公司 Dual-driving chain single failure protection dolly
CN112501387A (en) * 2020-10-30 2021-03-16 鞍钢集团工程技术有限公司 KR is balanced stirring rake elevating gear of pulling force for desulfurization
CN112919351A (en) * 2021-03-10 2021-06-08 三一海洋重工有限公司 Hoisting mechanism and hoisting equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106185661A (en) * 2016-09-14 2016-12-07 大连华锐重工集团股份有限公司 Dual-driving chain single failure protection dolly
CN106185661B (en) * 2016-09-14 2018-10-19 大连华锐重工集团股份有限公司 Dual-driving chain single failure protects trolley
CN112501387A (en) * 2020-10-30 2021-03-16 鞍钢集团工程技术有限公司 KR is balanced stirring rake elevating gear of pulling force for desulfurization
CN112919351A (en) * 2021-03-10 2021-06-08 三一海洋重工有限公司 Hoisting mechanism and hoisting equipment

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Granted publication date: 20170329

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