CN201351095Y - Double-brake mechanism for secondary hook of crane - Google Patents
Double-brake mechanism for secondary hook of crane Download PDFInfo
- Publication number
- CN201351095Y CN201351095Y CNU2008201712450U CN200820171245U CN201351095Y CN 201351095 Y CN201351095 Y CN 201351095Y CN U2008201712450 U CNU2008201712450 U CN U2008201712450U CN 200820171245 U CN200820171245 U CN 200820171245U CN 201351095 Y CN201351095 Y CN 201351095Y
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- brake
- hinged
- hoisting crane
- brake wheel
- brake control
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Abstract
The utility model relates to a crane, in particular to a double-brake mechanism for a secondary hook of a crane. The utility model mainly resolves the following technical problem: since the secondary hook of the prior art have only one brake, hook gliding can easily occur when the crane hoists a heavy object, and as a result, a safety accident can be easily caused. The double-brake mechanism comprises a speed reducer (1) and an electromotor (2) which are arranged on the secondary hook. The double-brake mechanism has the following characteristics: braking wheels positioned in the speed reducer (1) and the electromotor (2) are respectively connected with a brake (3), and two braking wheel shaft couplings (4) are respectively symmetrically connected with the two brakes, and are connected together through a gear shaft (5).
Description
Technical field
The utility model relates to a kind of crane facility, especially relates to a kind of to the two isostructural improvement of stop mechanism of hoisting crane auxiliary hook.
Background technology
At present, in ironmaking facility and steel-making facility, will melt molten steel and inject pouring ladle, carry each pouring ladle with the pouring ladle hoisting crane.For example, the fusing molten steel is injected into pouring ladle from electric furnace etc., be carried to converter etc. by the pouring ladle hoisting crane after, is poured in the converter etc.General smelting iron and steel station-service all is the single hooks of two joints in the auxiliary hook of lifting and upset molten steel jar.Chinese patent discloses a kind of single crab (Granted publication number: CN 1066124C) of hoisting crane, it comprises the main hoisting mechanism that is installed on the trolley frame, auxiliary hoisting mechanism, wheeling mechanism, main, the top sheave device of auxiliary hoisting mechanism, by steel rope and top sheave device bonded assembly lower sheave device, and respectively with the master, the lower sheave device pivotally attached main hook and the auxiliary hook of auxiliary hoisting mechanism, the top sheave device of auxiliary hoisting mechanism comprises: be laid on track consistent with the monkey service direction on the trolley frame, but orbital motion, and the top sheave dolly of top sheave group is installed, and moves supporting mechanism with top sheave dolly bonded assembly; Operation supporting mechanism comprises: by motor-driven power element, with power element hinged and with the thrust bearing of top sheave cart stationary, there are two groups of both sides that are installed in the top sheave dolly symmetrically in operation supporting mechanism, power element is a hydraulic actuating cylinder, its piston thick stick is hinged by the coupling end of jointed shaft and thrust bearing, power element is a screw pair, and its leading screw is hinged by the coupling end of jointed shaft and thrust bearing, has a kind of oscillating bearing to be connected with jointed shaft between the coupling end of power element and thrust bearing.But the auxiliary hook on this dolly as shown in Figure 1, has only a drg, and the setting of single like this braking when hoisting crane lifting weight hook takes place easily to slip, and is easy to generate safety misadventure.
The utility model content
The utility model technical issues that need to address provide the two stop mechanisms of a kind of hoisting crane auxiliary hook, it mainly is to solve the existing in prior technology auxiliary hook to have only a drg, the setting of single like this braking, hook easily takes place to slip when hoisting crane lifting weight, is easy to generate the technical matters of safety misadventure etc.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
The two stop mechanisms of hoisting crane auxiliary hook of the present utility model, comprise reductor and electrical motor on the auxiliary hook, it is characterized in that the brake wheel in described reductor and the electrical motor is connected with a drg respectively, respectively be symmetrically connected with a brake wheel coupler on two drgs, two brake wheel coupler link together by the tooth axle.Two drgs are set, and braking-force ratio is bigger, can prevent auxiliary hook slide hook.Two drgs produce braking to the electrical motor in the auxiliary hook, reductor respectively, brake comparatively thorough.Drg is the power hydraulic pressure block brake, in the three-phase alternating current electrical network.
As preferably, described drg includes and tooth axle bonded assembly brake wheel, and the brake wheel below is provided with pedestal, is hinged with symmetrically arranged brake control lever on the pedestal respectively, is connected with the brake scotch that clad can matches with the brake wheel outside face on two brake control levers; Be connected with retarding spring between two brake control levers, one of them brake control lever upper end is hinged with set square, is hinged with pusher and lever connection respectively on other two angles of set square, and the other end of lever connection is hinged on another brake control lever upper end.Glancing impact, retarding spring can spur two brake control levers and come closer, thereby make two brake scotch clad cans be close to brake wheel, and brake wheel is produced certain pressure, brake wheel stops the rotation, and produces braking, also can therefore produce braking with the coaxial bonded assembly electrical motor of brake wheel, reductor.Stop glancing impact, pusher is thrown off brake wheel with two brake scotch clad cans, thereby is stopped brake action by set square, lever connection.Set square is a Yangtze River Delta shape, and an one angle is located at the impeller-hub of a side and hinged pusher, and all the other two angles all are located at opposite side, and is hinged with lever connection, brake control lever end respectively.Brake rim on the brake scotch can be that the thin matter section bar of semimetal matter is made.
As preferably, respectively be hinged with a lifting arm on described two brake control levers, the lifting arm is connected on the hoisting crane frame.
As preferably, described retarding spring end is connected with the moment adjustment nut, can regulate the moment of glancing impact.
As preferably, described brake scotch integral body is "＜" shape, the arc surface of its inner surface for matching with the brake wheel outside face.Two brake scotch are symmetrical arranged, and it can be close to two sections arc surfaces of brake wheel.
Therefore, the utlity model has auxiliary hook and be provided with two drgs, brake the electrical motor and the reductor of auxiliary hook respectively, when hoisting crane lifting weight, can not slip hook, avoided the generation of safety misadventure knot, characteristics such as simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of former hoisting crane auxiliary hook stop mechanism;
Accompanying drawing 2 is a kind of structural representations of the present utility model;
Accompanying drawing 3 is a kind of structural representations of drg.
Parts, position and numbering among the figure: reductor 1, electrical motor 2, drg 3, brake wheel coupler 4, tooth axle 5, brake wheel 6, pedestal 7, brake control lever 8, brake scotch 9, retarding spring 10, set square 11, pusher 12, lever connection 13, lifting arm 14, moment adjustment nut 15.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the two stop mechanisms of this routine hoisting crane auxiliary hook, as Fig. 2, reductor 1 and electrical motor 2 on the auxiliary hook is arranged, be provided with two drgs 3 between reductor 1 and the electrical motor 2, respectively be symmetrically connected with a brake wheel coupler 4 on two drgs, link together by tooth axle 5 between two brake wheel coupler 4, two drgs 3 are connected with the brake wheel of braking deceleration machine 1, electrical motor 2 respectively.As Fig. 3, drg includes and reductor 1, electrical motor 2 brake wheel bonded assembly brake wheels 6, and brake wheel 6 belows are provided with pedestal 7, and the two ends of pedestal are hinged with a brake control lever 8 respectively, and brake control lever is symmetricly set on the two ends, the left and right sides of brake wheel 6.The brake scotch 9 that respectively is symmetrically connected with "＜" shape on two brake control levers 8, the inner surface of brake scotch is a brake rim, the circular arc of its clad can for fitting with brake wheel 6 outside faces.Hinged retarding spring 10 between the upper end of two brake control levers 8, the retarding spring end is connected with moment adjustment nut 15.Be hinged with a set square 11 on the brake control lever 8 on right side, be hinged with the catch bar of lever connection 13 and pusher 12 on two angles of all the other of set square respectively.The other end of lever connection 13 is hinged on the brake control lever 8 in left side.End, two brake control levers upper end is hinged with a lifting arm 14.
Its principle of work: when mechanism's outage, when quitting work, actuating device-the pusher 12 of drg is while or delay cut-off also, stop to drive, be that thrust is eliminated, at this moment the spring force of retarding spring 10 is delivered on the brake scotch 9 by both sides brake control lever 8, makes the braking clad can produce the pressure of regulation, and set up the lock torque of stipulating, play brake action; When mechanism's energising drives, the pusher 12 of the drg also enough thrust of the also rapid generation of energising driving simultaneously boosts catch bar, force retarding spring 10 further to compress, brake control lever 8 is opened outside both sides, make brake scotch 9 braking clad cans break away from brake wheel 6, eliminate the pressure and the lock torque of braking clad can, stop brake action.
Claims (5)
1. two stop mechanisms of a hoisting crane auxiliary hook, comprise reductor (1) and electrical motor (2) on the auxiliary hook, it is characterized in that the interior brake wheel of described reductor (1) and electrical motor (2) is connected with a drg (3) respectively, respectively be symmetrically connected with a brake wheel coupler (4) on two drgs, two brake wheel coupler (4) link together by tooth axle (5).
2. the two stop mechanisms of hoisting crane auxiliary hook according to claim 1, it is characterized in that described drg (3) includes and tooth axle (5) bonded assembly brake wheel (6), brake wheel (6) below is provided with pedestal (7), be hinged with symmetrically arranged brake control lever (8) on the pedestal (7) respectively, be connected with the brake scotch (9) that clad can matches with brake wheel (6) outside face on two brake control levers; Be connected with retarding spring (10) between two brake control levers (8), one of them brake control lever (8) upper end is hinged with set square (11), be hinged with pusher (12) and lever connection (13) respectively on other two angles of set square, the other end of lever connection is hinged on another brake control lever upper end.
3. the two stop mechanisms of hoisting crane auxiliary hook according to claim 2 is characterized in that described two brake control levers (8) upper end respectively is hinged with a lifting arm (14), and the lifting arm is connected on the hoisting crane frame.
4. according to claim 2 or the two stop mechanisms of 3 described hoisting crane auxiliary hooks, it is characterized in that described retarding spring (10) end is connected with moment adjustment nut (15).
5. according to claim 2 or the two stop mechanisms of 3 described hoisting crane auxiliary hooks, it is characterized in that described brake scotch (9) integral body is "＜" shape, the arc surface of its inner surface for matching with brake wheel (6) outside face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201712450U CN201351095Y (en) | 2008-12-26 | 2008-12-26 | Double-brake mechanism for secondary hook of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201712450U CN201351095Y (en) | 2008-12-26 | 2008-12-26 | Double-brake mechanism for secondary hook of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351095Y true CN201351095Y (en) | 2009-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201712450U Expired - Fee Related CN201351095Y (en) | 2008-12-26 | 2008-12-26 | Double-brake mechanism for secondary hook of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351095Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320532A (en) * | 2011-06-22 | 2012-01-18 | 常熟开关制造有限公司(原常熟开关厂） | Control method for preventing hook from slipping when electric hoist stops |
| CN103511524A (en) * | 2012-06-27 | 2014-01-15 | 甘亚冰 | Diversion gravity braking mechanism, lifting winch and lift transmission board |
| CN106185680A (en) * | 2016-08-30 | 2016-12-07 | 云南云铝涌鑫铝业有限公司 | The brakes of crane gear and braking method |
| CN106966316A (en) * | 2017-04-25 | 2017-07-21 | 重庆鼎汉机械有限公司 | Elevator synchronization band brake apparatus |
-
2008
- 2008-12-26 CN CNU2008201712450U patent/CN201351095Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320532A (en) * | 2011-06-22 | 2012-01-18 | 常熟开关制造有限公司(原常熟开关厂） | Control method for preventing hook from slipping when electric hoist stops |
| CN103511524A (en) * | 2012-06-27 | 2014-01-15 | 甘亚冰 | Diversion gravity braking mechanism, lifting winch and lift transmission board |
| CN106185680A (en) * | 2016-08-30 | 2016-12-07 | 云南云铝涌鑫铝业有限公司 | The brakes of crane gear and braking method |
| CN106185680B (en) * | 2016-08-30 | 2019-05-14 | 云南云铝涌鑫铝业有限公司 | The braking system and braking method of lifting equipment |
| CN106966316A (en) * | 2017-04-25 | 2017-07-21 | 重庆鼎汉机械有限公司 | Elevator synchronization band brake apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG WEISHENG HOLDING CO., LTD. Free format text: FORMER OWNER: HANGZHOU XIAOSHAN JANGSHENG CAST STEEL CO.,LTD. Effective date: 20120206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120206 Address after: 311215, Hangzhou District, Zhejiang City, Xiaoshan Province Ning Wai Town Ying Village Patentee after: Hangzhou Xiaoshan Jiangsheng Cast Steel Co., Ltd. Address before: 311215, No. 635 Ying Ying Village, Ning Wai Town, Xiaoshan District, Zhejiang, Hangzhou Patentee before: Hangzhou Xiaoshan Jiangsheng Casting And Forging Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |