CN109179247A - The electric block of single failure protection and its disconnected rope balancing device - Google Patents
The electric block of single failure protection and its disconnected rope balancing device Download PDFInfo
- Publication number
- CN109179247A CN109179247A CN201811313876.6A CN201811313876A CN109179247A CN 109179247 A CN109179247 A CN 109179247A CN 201811313876 A CN201811313876 A CN 201811313876A CN 109179247 A CN109179247 A CN 109179247A
- Authority
- CN
- China
- Prior art keywords
- reel
- movable pulley
- pulley
- jib
- counter
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to the electric block of single failure protection and its disconnected rope balancing devices.In the disconnected rope balancing device of electric block of the invention, by two groups of opposite pulley blocks collective effect hoisting hangers, when wherein steel cable is broken suddenly, another group of pulley blocks be can still work normally, and be not in the contingency that suspender and handling object carry out freely falling body tenesmus.After suspender setting then can guarantee that steel cable is broken suddenly between the second movable pulley and third movable pulley, suspender will not secundly.It is finally fixed at the second end of counter-jib by the wirerope that reel first end is put down, the first end of counter-jib is finally fixed at by the wirerope that reel second end is put down, can guarantee the stability of raising after steel cable fracture to the maximum extent.So electric block security performance of the invention is high, it can be used for assisted reaction heap and reload.
Description
Technical field
The present invention relates to the electric block of single failure protection and its disconnected rope balancing devices.
Background technique
In recent years the development of the nuclear industry in China achieves achievement highly visible since, and nuclear power technology research and development and engineering are answered
With walking in the forefront in the world.Put into operation and successfully research and develop with CAP1400 as standard with " China dragon No.1 ", China as after the U.S.,
Another possesses the country of independent three generations's nuclear power technology and full industrial chain after the nuclear powers such as France, Russia power.It is crucial
The production domesticization of equipment is higher and higher, and nuclear ring is hung, and is in Nuclear Power Station and operation phase, is the heavy equipment in reactor building
Installation, maintenance and assisted reaction heap, which reload, provides the extraordinary lifting equipment of handling service, and nuclear ring needed for three generations's nuclear power is hung at present
Production domesticization is had been carried out, but hangs on the electric block to reload for assisted reaction heap as ring and domesticizes not yet.And existing electricity
The security performance of dynamic cucurbit cannot reach the demand that nuclear ring hangs field, therefore urgently research and develop that a kind of security performance is high, can assist instead
Answer the electric block that heap reloads.
Summary of the invention
The purpose of the present invention is to provide a kind of electric blocks of single failure protection to solve electronic calabash in the prior art
Reed security performance is lower, is not used to the technical issues of assisted reaction heap reloads；The object of the invention is also to provide above-mentioned lists
Break rope balancing device used in the electric block of one error protection.
To achieve the above object, disconnected rope balancing device of the invention uses following technical scheme:
Disconnected rope balancing device, including reel, counter-jib, movable pulley and fixed pulley, counter-jib is parallel with reel, the middle part of counter-jib
It is provided with for being hinged on frame body so that the hinge that counter-jib both ends can be swung up and down；There are two fixed pulleys and axis is overlapped,
Respectively the first fixed pulley and the second fixed pulley, the axis of fixed pulley is horizontally extending and axis perpendicular to reel；It is dynamic
Pulley there are four and be coaxially arranged, the axis of movable pulley is parallel to the axis of reel, from the first end of reel to second end four
A movable pulley is respectively the first movable pulley, the second movable pulley, third movable pulley and the 4th movable pulley, in the shaft of movable pulley
Suspender is can be rotatably set between two movable pulleys and third movable pulley；Two wirerope are put down by reel front side, and are being rolled up
Two wirerope synchronizations are wound or are laid down when cylinder rotation, and the wirerope put down by reel first end successively bypasses the second dynamic cunning
The second end of counter-jib is fixed on after wheel, the first fixed pulley and third movable pulley, the wirerope put down by reel second end is successively
Around the first end for being fixed on counter-jib after the 4th movable pulley, the second fixed pulley and the first movable pulley.
The electric block of single failure protection of the invention uses following technical scheme:
The electric block of single failure protection, including frame body and disconnected rope balancing device, disconnected rope balancing device include reel, balance
Arm, movable pulley and fixed pulley, counter-jib is parallel with reel, is provided in the middle part of counter-jib for being hinged on frame body so as to balance
The hinge that arm both ends can be swung up and down；There are two fixed pulleys and axis is overlapped, and respectively the first fixed pulley and the second fixed pulley are fixed
The axis of pulley is horizontally extending and axis perpendicular to reel；There are four movable pulleys and is coaxially arranged, movable pulley
Axis is parallel to the axis of reel, is respectively the first movable pulley, second is moved from the first end of reel to four movable pulleys of second end
Pulley, third movable pulley and the 4th movable pulley are can be rotated between the second movable pulley and third movable pulley in the shaft of movable pulley
Ground is provided with suspender；Two wirerope by putting down on front side of reel, and in spool turns two wirerope it is synchronous wound or
It is laid down, the wirerope put down by reel first end is consolidated after successively bypassing the second movable pulley, the first fixed pulley and third movable pulley
It is scheduled on the second end of counter-jib, the wirerope put down by reel second end successively bypasses the 4th movable pulley, the second fixed pulley and
The first end of counter-jib is fixed on after one movable pulley.
Including being provided with the speed change for transmitting power for driving the motor of spool turns, between motor and reel
Device, the input terminal of motor output shaft are provided with the first brake, and the output end of reel shaft is provided with second brake.
Output end corresponding position on frame body in reel shaft is equipped with for detecting suspender in the position of short transverse
The first detection device.
The both ends of frame body length direction are provided with the driven trolley that can be walked along rail, are provided in driven trolley for detecting
The second detection device of electric block position.
Beneficial effects of the present invention are as follows: in the disconnected rope balancing device of electric block of the invention, by two groups of opposite cunnings
Wheel group collective effect hoisting hanger, when wherein steel cable is broken suddenly, another group of pulley blocks be can still work normally,
It is not in the contingency that suspender and handling object carry out freely falling body tenesmus.Suspender setting is dynamic in the second movable pulley and third
After then can guarantee that steel cable is broken suddenly between pulley, suspender will not secundly.The steel wire put down by reel first end
Rope is finally fixed at the second end of counter-jib, and the first end of counter-jib is finally fixed at by the wirerope that reel second end is put down,
It can guarantee the stability of raising after steel cable is broken to the maximum extent.So electric block security performance of the invention is high,
It can be used for assisted reaction heap to reload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the one embodiment for the electric block that single failure of the invention is protected；
Fig. 2 is the rearview of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the structural schematic diagram that Fig. 1 interrupts rope balancing device.
Specific embodiment
The embodiment of the electric block of single failure protection of the invention:
The specific structure of the electric block of single failure protection of the invention is as shown in Figures 1 to 4, including frame body 1, frame body 1 are long
The both ends in degree direction are provided with driven trolley 2, are provided with disconnected rope balancing device on frame body 1, disconnected rope balancing device include reel 3,
Counter-jib 4, wirerope 5, pulley blocks and suspender 10.The motor 6 for driving reel 3 to rotate is additionally provided on frame body 1, it is electronic
The speed changer 7 for transmitting power is provided between machine 6 and reel 3, the power of 6 output shaft output end of motor and movement are through speed change
Device 7 is transferred to the shaft of reel 3, is rotated with band movable reel 3.
The input terminal of 6 output shaft of motor is provided with the first brake 11, and the output end of 3 shaft of reel is provided with the second system
Dynamic device 12.First brake 11 can make the output shaft of motor 6 brake or hover in specific location, the second braking when working
Device 12 can make the shaft of reel 3 brake or hover in specific location when working.Make the first system by suitable circuit design
Dynamic device 11 works under normal conditions, second brake 12 is made to work when the first brake 11 fail can be realized following functions: electric
When dynamic cucurbit is normally lifted by crane, when needing suspender 10 and handling braking objects or hovering, the first brake 11 of triggering makes its work；?
It, can be by triggering second brake when broken teeth or off-axis failure or the first 11 cisco unity malfunction of brake occur for speed changer 7
12 make suspender 10 brake or hover.The hair of accident when the setting of first brake 11 and second brake 12 is avoided that above-mentioned operating condition
It is raw, for electric block increase by one of the invention road safety curtain.The specific structure of first brake 11 and second brake 12
For the prior art, no longer describe in detail in this patent.
It is equipped in the output end corresponding position of 3 shaft of reel for detecting suspender 10 in short transverse position on frame body 1
The first detection device 13 set.First detection device 13 calculates a period of time in office of suspender 10 by directly detecting the revolving speed of shaft indirectly
The height at quarter.Design electric block control system when the detection data of the first detection device 13 can also be sent to controller with
Judge whether lifting process exceeds the speed limit, whether need to trigger corresponding brake.
It is provided with the second detection device 14 for detecting electric block position in the driven trolley 2 at 1 both ends of frame body, second
The position of 14 real-time detection electric block of detection device meets the positioning for process of reloading to be able to achieve accurate position detection
It is required that.The specific structure of first detection device and second detection device is the prior art, is no longer described in detail.In other embodiments,
In the case where not needing detection corresponding data, any one of the first detection device 13 and second detection device 14 can be saved
It goes.
The specific structure of disconnected rope balancing device is as follows: reel 3 extends along the length direction of frame body 1, and the both ends of reel 3 are respectively set
It is equipped at rope, two wirerope 5 by putting down on front side of reel 3, and when reel 3 rotates, received by two synchronizations of wirerope 5
It rolls up or is laid down.Pulley blocks include fixed pulley 8 and movable pulley 9.There are two fixed pulleys 8 and axis is overlapped, and respectively first is fixed sliding
Wheel 81 and second fixed pulley 82, the axis of two fixed pulleys is horizontally extending and axis perpendicular to reel 3.Movable pulley
9 there are four and be coaxially arranged, the axis of movable pulley 9 is parallel to the axis of reel 3, from the first end of reel 3 to second end four
A movable pulley is respectively the first movable pulley 91, the second movable pulley 92, third movable pulley 93 and the 4th movable pulley 94.Suspender 10 turns
It is arranged in the shaft of movable pulley 9 dynamicly and between the second movable pulley 92 and third movable pulley 93.Counter-jib 4 is cut with scissors in middle part
It connects on frame body 1, therefore the both ends of counter-jib 4 can be swung up and down.It is fixed sliding that the hinge of counter-jib 4 is located at the first fixed pulley 81 and second
Take turns the underface of 82 axis.
The wirerope 5 put down by 3 first end 31 of reel successively moves around the second movable pulley 92, the first fixed pulley 81 with third
The second end 42 of counter-jib 4 is fixed on after pulley 93, the wirerope 5 put down by 3 second end 32 of reel is successively around the 4th dynamic cunning
The first end 41 of counter-jib 4 is fixed on after the 94, second fixed pulley 82 of wheel and the first movable pulley 91.It is symmetrical material is thus formed two groups
Pulley blocks, and two groups of pulley blocks are provided commonly for hoisting hanger 10.Second fixed pulley 82 is located at front side, and the first fixed pulley 81 is located at
Rear side.
The advantages of this structure type is: when wherein steel cable 5 is broken suddenly, another group of pulley blocks still can
It is enough to work normally, it is not in the contingency that suspender 10 and handling object carry out freely falling body tenesmus.The setting of suspender 10 is the
After then can guarantee that steel cable 5 is broken suddenly between two movable pulleys 92 and third movable pulley 93, suspender 10 will not secundly.
It is finally fixed at the second end 42 of counter-jib 4 by the wirerope 5 that 3 first end 31 of reel is put down, is put down by 3 second end 32 of reel
Wirerope 5 is finally fixed at the first end 41 of counter-jib 4, can guarantee to the maximum extent steel cable 5 be broken after raising it is steady
It is qualitative.
In the present embodiment, suspender 10 is suspension hook.In other embodiments, suspender 10 can also be that others can play hoist
The structure type of object.
The embodiment of disconnected rope balancing device of the invention:
The embodiment of the electric block of structure and the single failure protection of disconnected rope balancing device of the invention interrupts rope balancing device
Specific structure it is identical, specifically refer to Fig. 1 to Fig. 4, be no longer described in detail.
Claims (5)
1. disconnected rope balancing device, including reel, counter-jib, movable pulley and fixed pulley, it is characterised in that: counter-jib and reel are flat
It goes, is provided in the middle part of counter-jib for being hinged on frame body so that the hinge that counter-jib both ends can be swung up and down；Fixed pulley has
Two and axis coincidence, respectively the first fixed pulley and the second fixed pulley, the axis of fixed pulley are horizontally extending and vertical
In the axis of reel；Movable pulley there are four and be coaxially arranged, the axis of movable pulley is parallel to the axis of reel, by the of reel
One end is respectively the first movable pulley, the second movable pulley, third movable pulley and the 4th movable pulley to four movable pulleys of second end, moves and slides
Suspender is can be rotatably set between the second movable pulley and third movable pulley in the shaft of wheel；Before two wirerope are by reel
Side is put down, and the synchronization of two wirerope is wound or is laid down in spool turns, the wirerope put down by reel first end according to
It is secondary to bypass the second end that counter-jib is fixed on after the second movable pulley, the first fixed pulley and third movable pulley, it is put by reel second end
Under wirerope successively bypass the first end that counter-jib is fixed on after the 4th movable pulley, the second fixed pulley and the first movable pulley.
2. the electric block of single failure protection, including frame body and disconnected rope balancing device, disconnected rope balancing device include reel, balance
Arm, movable pulley and fixed pulley, it is characterised in that: counter-jib is parallel with reel, is provided in the middle part of counter-jib for being hinged on frame
So that the hinge that counter-jib both ends can be swung up and down on body；Fixed pulley there are two and axis be overlapped, respectively the first fixed pulley with
The axis of second fixed pulley, fixed pulley is horizontally extending and axis perpendicular to reel；There are four movable pulleys and coaxial line
Setting, it is respectively first from the first end of reel to four movable pulleys of second end that the axis of movable pulley, which is parallel to the axis of reel,
Movable pulley, the second movable pulley, third movable pulley and the 4th movable pulley are slided in the second movable pulley and third are dynamic in the shaft of movable pulley
Suspender is can be rotatably set between wheel；Two wirerope are put down by reel front side, and two wirerope in spool turns
Synchronization is wound or is laid down, and the wirerope put down by reel first end successively bypasses the second movable pulley, the first fixed pulley and the
The second end of counter-jib is fixed on after three movable pulleys, the wirerope put down by reel second end successively bypasses the 4th movable pulley,
The first end of counter-jib is fixed on after two fixed pulleys and the first movable pulley.
3. the electric block of single failure protection according to claim 2, it is characterised in that: including for driving reel to turn
Dynamic motor, is provided with the speed changer for transmitting power between motor and reel, the input terminal of motor output shaft is set
It is equipped with the first brake, the output end of reel shaft is provided with second brake.
4. the electric block of single failure protection according to claim 2 or 3, it is characterised in that: turn on frame body in reel
The output end corresponding position of axis is equipped with for detecting suspender in the first detection device of the position of short transverse.
5. the electric block of single failure protection according to claim 2 or 3, it is characterised in that: frame body length direction
Both ends are provided with the driven trolley that can be walked along rail, and the second detection for detecting electric block position is provided in driven trolley
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313876.6A CN109179247A (en) | 2018-11-06 | 2018-11-06 | The electric block of single failure protection and its disconnected rope balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313876.6A CN109179247A (en) | 2018-11-06 | 2018-11-06 | The electric block of single failure protection and its disconnected rope balancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109179247A true CN109179247A (en) | 2019-01-11 |
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ID=64942195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313876.6A Pending CN109179247A (en) | 2018-11-06 | 2018-11-06 | The electric block of single failure protection and its disconnected rope balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109179247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115486A (en) * | 2019-10-30 | 2020-05-08 | 成都西部泰力智能设备股份有限公司 | Redundant wire rope winding method |
| CN111392627A (en) * | 2020-04-30 | 2020-07-10 | 中国水利水电夹江水工机械有限公司 | Two-layer four-rope safety manned broken rope balancing device |
| CN113336074A (en) * | 2021-05-20 | 2021-09-03 | 深圳中广核工程设计有限公司 | Nuclear power station equipment gate hoisting accessory |
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| JPH08245163A (en) * | 1995-03-10 | 1996-09-24 | Kawasaki Steel Corp | Hoisting device of two-hook crane |
| CN201128657Y (en) * | 2007-10-29 | 2008-10-08 | 大连华锐股份有限公司 | Crane winding device for lifting wire cable |
| CN201801342U (en) * | 2010-09-10 | 2011-04-20 | 天津起重设备有限公司 | Hoisting drum device of crane |
| CN102320531A (en) * | 2011-08-24 | 2012-01-18 | 大连华锐股份有限公司 | High-positioning-accuracy lifting mechanism for crane |
| CN203946831U (en) * | 2014-07-02 | 2014-11-19 | 广西平班水电开发有限公司 | Transfer crane exposed gear list multiplying power loading test device |
| CN204096935U (en) * | 2014-08-22 | 2015-01-14 | 河南省大方重型机器有限公司 | Lifting mechanism and use the hoisting crane of this lifting mechanism |
| 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 |
| CN209428024U (en) * | 2018-11-06 | 2019-09-24 | 河南卫华重型机械股份有限公司 | The electric block of single failure protection and its disconnected rope balancing device |
-
2018
- 2018-11-06 CN CN201811313876.6A patent/CN109179247A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245163A (en) * | 1995-03-10 | 1996-09-24 | Kawasaki Steel Corp | Hoisting device of two-hook crane |
| CN201128657Y (en) * | 2007-10-29 | 2008-10-08 | 大连华锐股份有限公司 | Crane winding device for lifting wire cable |
| CN201801342U (en) * | 2010-09-10 | 2011-04-20 | 天津起重设备有限公司 | Hoisting drum device of crane |
| CN102320531A (en) * | 2011-08-24 | 2012-01-18 | 大连华锐股份有限公司 | High-positioning-accuracy lifting mechanism for crane |
| CN203946831U (en) * | 2014-07-02 | 2014-11-19 | 广西平班水电开发有限公司 | Transfer crane exposed gear list multiplying power loading test device |
| CN204096935U (en) * | 2014-08-22 | 2015-01-14 | 河南省大方重型机器有限公司 | Lifting mechanism and use the hoisting crane of this lifting mechanism |
| 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 |
| CN209428024U (en) * | 2018-11-06 | 2019-09-24 | 河南卫华重型机械股份有限公司 | The electric block of single failure protection and its disconnected rope balancing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115486A (en) * | 2019-10-30 | 2020-05-08 | 成都西部泰力智能设备股份有限公司 | Redundant wire rope winding method |
| CN111392627A (en) * | 2020-04-30 | 2020-07-10 | 中国水利水电夹江水工机械有限公司 | Two-layer four-rope safety manned broken rope balancing device |
| CN111392627B (en) * | 2020-04-30 | 2022-03-11 | 中国水利水电夹江水工机械有限公司 | Two-layer four-rope safety manned broken rope balancing device |
| CN113336074A (en) * | 2021-05-20 | 2021-09-03 | 深圳中广核工程设计有限公司 | Nuclear power station equipment gate hoisting accessory |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190313 Address after: 453400 West Section of Weihua Avenue, Changyuan County, Xinxiang City, Henan Province Applicant after: Henan Weihua Heavy Machinery Co., Ltd. Address before: 450046 No. 264, 24th floor, No. 1 Building, 49 Jinshui East Road, Zhengdong New District, Zhengzhou City, Henan Province Applicant before: Henan Weihua Machinery Engineering Research Institute Co., Ltd. |
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