CN203582335U - Cantilever crane of engine room - Google Patents
Cantilever crane of engine room Download PDFInfo
- Publication number
- CN203582335U CN203582335U CN201320583540.8U CN201320583540U CN203582335U CN 203582335 U CN203582335 U CN 203582335U CN 201320583540 U CN201320583540 U CN 201320583540U CN 203582335 U CN203582335 U CN 203582335U
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- cabin
- arm
- rear arm
- front arm
- boom crane
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Abstract
The utility model discloses a cantilever crane of an engine room. The cantilever crane comprises a base, a rear rocker arm, a front rocker arm and a hoisting device, wherein the base is fixed on a rack in the engine room of a wind turbine generator; the rear rocker arm is movably connected to and fixed on the base and can freely rotate around the base at any angle in a horizontal direction; the front rocker arm is movably connected to and fixed at the outer end of the rear rocker arm through a revolute pair, and the front rocker arm can rotate around the rear rocker arm at a large angle in a horizontal direction; the hoisting device is arranged at the lower side of the rear rocker arm or the front rocker arm, and as the rear rocker arm is combined with the front rocker arm to rotate at a large angle, the hoisting range of the crane is expanded. The cantilever crane applied to the engine room of the wind turbine generator provides great conveniences for the daily maintenance of the wind turbine generator and the replacement of components and parts under the condition that the layout design of the components and parts in the engine room is not affected, and the inner space of the engine room is not excessively occupied, so that the working efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of hoisting crane, is specifically related to a kind of turning crane for lifting by crane as weight in wind generating set engine room.
Background technology
In wind generating set engine room maintenance technology field, electric block is because its structure is light and handy, lifting is convenient, very popular.Maintenance technology scheme in wind generating set engine room generally adopts fixed type hoist crane or running vehicle type single-beam Electric Chain Blocks hoisting crane.Fixed type hoist crane scheme is simple, only need in cabin, arrange an electric block installation site, but because its position is fixed, cannot meet cabin parts and safeguard the lifting demand of changing, and can only meet the lifting task of daily attention instrument.Running vehicle type single-beam ring-chain hoist crane functions is abundant, walking by driving on the inner orbit of cabin and the walking of electric block on single-beam can make electric block arrive most of region in cabin, can meet parts in cabin safeguards and changes and the lifting demand of daily attention instrument, but need in cabin, design truss and track, complex structure; And the existence due to driving, is divided into upper and lower two parts by the space in cabin artificially, is unfavorable for parts topological design in cabin, has improved cabin altitude, be unfavorable for transportation.
Through retrieval, we find, application number is 2007200017718, the Chinese utility model patent that name is called " fixed pillar slewing crane " discloses a kind of in wind power generating set, fixed pillar slewing crane as hoisting heavy, comprise fixed column, elevator boom rack, lifting mechanism, boatswain chair and electrical control gear, it is characterized in that: this elevator boom rack is comprised of two sections of fixed column spiral arms, between above-mentioned fixed column and elevator boom rack, be to be all formed by connecting by linkwork between two sections of fixed column spiral arms.Although the hoisting crane of this structure can be realized all-directional rotation in theory, but because adopting, it is articulated and connected, movement in the horizontal direction at all cannot meet requirements, therefore, lifting demand when daily attention and some heavy parts are safeguarded and change in the work area of, narrow space compact in wind power generator cabin inner structure in order to solve, as maintenance and the replacing of instrument handling, yaw motor and oil cooling radiator etc. while overhauling, be necessary to carry out necessary improvement, make it simple in structure and do not affect the requirement of parts topological design in cabin.
Utility model content
The purpose of this utility model is can realize Arbitrary Rotation for above-mentioned technical matters proposition is a kind of, can cover major part in cabin and need to use hoisting crane to safeguard the region of lifting operation, feature richness, simple in structure and can incorporate better the cabin boom crane of parts topological design in cabin.
The utility model solves the problems of the technologies described above adopted technical scheme, and a kind of cabin boom crane, comprises base, rear arm, front arm and lifting appliance; Described base is fixed on wind turbine cabin interior framework; Described rear arm is flexibly connected and is fixed on described base, and described rear arm can rotate freely in the horizontal direction at any angle around described base; Described front arm is flexibly connected the outer end that is fixed on described rear arm by revolute pair, described front arm in the horizontal direction can be around described rear arm big angle rotary; Described lifting appliance is arranged on described rear arm or front arm downside, because described rear arm can arbitrarily angledly rotate freely, then in conjunction with described front arm big angle rotary scope, has expanded the lifting range of use of hoisting crane.
As further improvement of the utility model, described base comprises pedestal, rotating shaft and clutch shaft bearing; Two described clutch shaft bearings are arranged on the endoporus two ends of described pedestal in back-to-back mode, the endoporus wall of the outer ring of described clutch shaft bearing and described pedestal fixes, the inner ring of described clutch shaft bearing and described rotating shaft fix, described rear arm is fastened in described rotating shaft, realizes described rear arm and rotates freely at any angle in the horizontal direction around described pedestal.
As further improvement of the utility model, described revolute pair comprises and is arranged on the S. A. of described rear arm outer end, two the second bearings that are fixed on described rotating shaft terminal in aspectant mode, the inner ring of described the second bearing and described S. A. are fixed, the outer ring of described the second bearing and described front arm are fixed, and described front arm is in the horizontal direction around described rear arm big angle rotary.
As further improvement of the utility model, described pedestal is fixed on wind turbine cabin interior framework center, and by the swing of cantilever, boom crane can cover most of region in cabin.
As further improvement of the utility model, described front arm is 270 ° around the maximum anglec of rotation of described rear arm in the horizontal direction.
As further improvement of the utility model, for stability and the safe reliability that guarantees that cabin boom crane is worked in narrow cabin, junction at described rear arm and front arm is provided with damping arrangement, the damping in the time of can applying rotation by described damping arrangement when front arm rotates.
As further improvement of the utility model, described damping arrangement is comprised of mount pad, adjusting bolt and friction lining, and damping arrangement is fixedly connected on rear arm by described mount pad; Described friction lining and front arm sliding block joint; Described adjusting bolt is for adjusting the gap between friction lining and front arm.During operation, by adjusting the screw-in length of described adjusting bolt, adjust the gap between friction lining and front arm, thereby the friction force between damping adjusting device and front arm forms suitable damping.
As further improvement of the utility model, for stability and the safe reliability that guarantees that cabin boom crane is worked in narrow cabin, in described base and revolute pair, be provided with registration device, described registration device comprise spring holder and be opened in respectively on described pedestal and front arm on knock hole, when described front arm and rear arm are adjusted behind position, described spring holder inserts and in corresponding knock hole, carries out locking positioning.
In the utility model, described front arm and rear arm downside are respectively arranged with the mounting interface of connecting hoisting device, described lifting appliance be arranged on described rear arm or front arm downside mounting interface on.
In the utility model, described lifting appliance is electric block.
Compared with prior art, its advantage is the utility model: the rotation mode of boom crane described in the utility model is manual rotation, simple in structure, easy to use.Wide coverage, rear arm can arbitrarily angledly rotate freely, then in conjunction with 270 ° of big angle rotary scopes of front arm, has expanded the lifting range of use of hoisting crane.The boom crane of cabin described in the utility model has used dual bearing structure, and the damping arrangement while having designed the rotation of spring holder and front arm, has guaranteed stability and the safe reliability of hoisting crane when work.Cabin described in the utility model boom crane, application in the wind power generator cabin of narrow space, compact conformation can not affect in cabin parts topological design and not take under the prerequisite in too much engine room inside space, for daily attention and the part replacement of wind power generating set provides a great convenience, greatly improved work efficiency.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is plan structure schematic diagram of the present utility model.
In figure: 1-pedestal, 2-rotating shaft, 3-bearing, 4-rear arm, 5-damping arrangement, 6-bearing, 7-spring holder, 8-front arm, 9-electric block.
The specific embodiment
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
As shown in drawings, a kind of cabin boom crane, comprises base, rear arm, front arm and electric block; Base comprises pedestal, rotating shaft and clutch shaft bearing; Pedestal 1 is fixed by bolt and wind turbine cabin interior framework, and clutch shaft bearing 3 is disposed at pedestal 1 endoporus in back-to-back mode and forms revolute pair, and the outer ring of clutch shaft bearing 3 and pedestal 1 are fixing, and the inner ring of clutch shaft bearing 3 and rotating shaft 2 are fixing.Rear arm 4 is bolted with rotating shaft 2 fixing, is provided with the axle that the second bearing 6 is installed on rear arm 4.The second bearing 6 is disposed on rear arm 4 in aspectant mode, and the inner ring of the second bearing 6 and rear arm 4 are fixing, and outer ring and front arm 8 are fixing.The installation site that is designed with two place's spring holders 7 in rear arm 4 and rotating shaft 2, both are bolted fixing, and spring holder 7 can position work by corresponding knock hole on pedestal 1 and front arm 8.On rear arm 4, be designed with damping arrangement 5, the damping in the time of can applying rotation by damping arrangement 5 when front arm 8 rotation, can regulate the damping size applying by the bolt on damping arrangement 5.On rear arm 4 and front arm 8, be designed with respectively the mounting interface of electric block 9, according to different work requirements, can use bolt to be arranged on rear arm 4 or front arm 8 electric block 9.
In hoisting crane when work,, rotating shaft 2, rear arm 4 can be by clutch shaft bearing 3 around pedestal 1 Arbitrary Rotations together with front arm 8, and it is the rotation of 270 ° that front arm 8 can carry out maximum angle around rear arm 4 by the second bearing 6.When crane lifting service position is during in rear arm 4 coverage, can first electric block 9 be installed on rear arm 4, then rotate rear arm 4 and make electric block 9 to lifting position, then rear arm 4 upper spring locating dowel pins 7 are locked in hole corresponding on pedestal 1; If in the coverage of lifting position between rear arm 4 and front arm 8, can first electric block 9 be installed on front arm 8, then according to engine room inside space, select best rotation mode to rotate front arm 8, rear arm 4, make electric block 9 rotation to lifting by crane directly over position, then the spring holder 7 on rotating shaft 2 and rear arm 4 is locked in respectively in hole corresponding on pedestal 1 and front arm 8.When hoisting crane is not worked, can in cabin, select suitable locus, by spring holder 7 lockings, prevent that the inertia of hoisting crane in running of wind generating set process from rocking other parts in damage cabin; Solved the lifting demand of carrying out daily attention and some heavy parts maintenance and changing while in the work area of wind power generator cabin inner structure compactness, narrow space, maintenance and the replacing of instrument handling, yaw motor and oil cooling radiator etc. during as maintenance.
Embodiment bis-, are that with the difference of embodiment mono-pedestal 1 is fixed on wind turbine cabin interior framework center, the swing by rear arm 4 with front arm 8, and boom crane can cover most of region in cabin.
Embodiment tri-, are that with the difference of above-described embodiment damping arrangement 5 is comprised of mount pad, adjusting bolt and friction lining, and mount pad is fixed on rear arm 4, and damping arrangement 5 is fixedly connected on rear arm 4 by mount pad; Friction lining is connected on mount pad, friction lining and front arm 8 sliding block joints; Adjusting bolt is for adjusting the gap between friction lining and front arm.During operation, by adjusting the screw-in length of adjusting bolt, adjust the gap between friction lining and front arm, thereby the friction force between damping adjusting device and front arm forms suitable damping, prevent that hoisting crane from rotating the too fast danger that causes.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a cabin boom crane, is characterized in that, comprises base, rear arm, front arm and lifting appliance; Described base is fixed on wind turbine cabin interior framework; Described rear arm is flexibly connected and is fixed on described base, and described rear arm can rotate freely in the horizontal direction at any angle around described base; Described front arm is flexibly connected the outer end that is fixed on described rear arm by revolute pair, described front arm in the horizontal direction can be around described rear arm big angle rotary; Described lifting appliance is arranged on described rear arm or front arm downside, because described rear arm can arbitrarily angledly rotate freely, then in conjunction with described front arm big angle rotary scope, has expanded the lifting range of use of hoisting crane.
2. a kind of cabin as claimed in claim 1 boom crane, is characterized in that, described base comprises pedestal, rotating shaft and clutch shaft bearing; Two described clutch shaft bearings are arranged on the endoporus two ends of described pedestal in back-to-back mode, the endoporus wall of the outer ring of described clutch shaft bearing and described pedestal fixes, the inner ring of described clutch shaft bearing and described rotating shaft fix, described rear arm is fastened in described rotating shaft, realizes described rear arm and rotates freely at any angle in the horizontal direction around described pedestal.
3. a kind of cabin as claimed in claim 1 boom crane, it is characterized in that, described revolute pair comprises and is arranged on the S. A. of described rear arm outer end, two the second bearings that are fixed on described rotating shaft terminal in aspectant mode, the inner ring of described the second bearing and described S. A. are fixed, the outer ring of described the second bearing and described front arm are fixed, and described front arm is in the horizontal direction around described rear arm big angle rotary.
4. a kind of cabin as claimed in claim 2 boom crane, is characterized in that, described pedestal is fixed on wind turbine cabin interior framework center.
5. a kind of cabin boom crane as described in claim as arbitrary in claim 1 to 4, is characterized in that, described front arm is 270 ° around the maximum anglec of rotation of described rear arm in the horizontal direction.
6. a kind of cabin as claimed in claim 1 boom crane, it is characterized in that, for stability and the safe reliability that guarantees that cabin boom crane is worked in narrow cabin, junction at described rear arm and front arm is provided with damping arrangement, the damping in the time of can applying rotation by described damping arrangement when front arm rotates.
7. a kind of cabin as claimed in claim 6 boom crane, is characterized in that, described damping arrangement is comprised of mount pad, adjusting bolt and friction lining, and damping arrangement is fixedly connected on rear arm by described mount pad; Described friction lining and front arm sliding block joint; Described adjusting bolt is for adjusting the gap between friction lining and front arm.
8. a kind of cabin as claimed in claim 2 boom crane, it is characterized in that, for stability and the safe reliability that guarantees that cabin boom crane is worked in narrow cabin, in described base and revolute pair, be provided with registration device, described registration device comprise spring holder and be opened in respectively on described pedestal and front arm on knock hole, when described front arm and rear arm are adjusted behind position, described spring holder inserts and in corresponding knock hole, carries out locking positioning.
9. a kind of cabin as claimed in claim 1 boom crane, it is characterized in that, described front arm and rear arm downside are respectively arranged with the mounting interface of connecting hoisting device, described lifting appliance be arranged on described rear arm or front arm downside mounting interface on.
10. a kind of cabin as claimed in claim 1 boom crane, is characterized in that, described lifting appliance is electric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583540.8U CN203582335U (en) | 2013-09-22 | 2013-09-22 | Cantilever crane of engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583540.8U CN203582335U (en) | 2013-09-22 | 2013-09-22 | Cantilever crane of engine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203582335U true CN203582335U (en) | 2014-05-07 |
Family
ID=50580286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583540.8U Expired - Fee Related CN203582335U (en) | 2013-09-22 | 2013-09-22 | Cantilever crane of engine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203582335U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565192A (en) * | 2016-03-02 | 2016-05-11 | 上海德益轻型起重机有限公司 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
| CN106670891A (en) * | 2017-01-20 | 2017-05-17 | 武汉恒精电热设备有限公司 | Movable swing arm type machine tool cooling spraying mechanism |
| CN107253212A (en) * | 2017-07-31 | 2017-10-17 | 江苏艾锐克起重装备有限公司 | A kind of intelligent electric hand-held power-assisted folding arm device |
| CN109264597A (en) * | 2018-11-05 | 2019-01-25 | 深圳龙海特机器人科技有限公司 | Folding-jib crane |
| CN110642164A (en) * | 2019-07-31 | 2020-01-03 | 武汉船用机械有限责任公司 | Folding arm telescopic crane |
| CN111573523A (en) * | 2020-06-12 | 2020-08-25 | 大连华锐重工冶金设备制造有限公司 | Double-rotation cantilever crane |
| CN111661769A (en) * | 2020-06-10 | 2020-09-15 | 郑州佛光发电设备有限公司 | Military shelter vehicle capable of loading and unloading goods |
| CN111824977A (en) * | 2020-03-03 | 2020-10-27 | 合肥恺文重工机械有限公司 | Full-pneumatic crane |
-
2013
- 2013-09-22 CN CN201320583540.8U patent/CN203582335U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565192A (en) * | 2016-03-02 | 2016-05-11 | 上海德益轻型起重机有限公司 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
| CN106670891A (en) * | 2017-01-20 | 2017-05-17 | 武汉恒精电热设备有限公司 | Movable swing arm type machine tool cooling spraying mechanism |
| CN106670891B (en) * | 2017-01-20 | 2019-02-05 | 武汉恒精电热设备有限公司 | Active pendulum arm-type lathe chilling spray mechanism |
| CN107253212A (en) * | 2017-07-31 | 2017-10-17 | 江苏艾锐克起重装备有限公司 | A kind of intelligent electric hand-held power-assisted folding arm device |
| CN109264597A (en) * | 2018-11-05 | 2019-01-25 | 深圳龙海特机器人科技有限公司 | Folding-jib crane |
| CN110642164A (en) * | 2019-07-31 | 2020-01-03 | 武汉船用机械有限责任公司 | Folding arm telescopic crane |
| CN110642164B (en) * | 2019-07-31 | 2021-08-10 | 武汉船用机械有限责任公司 | Folding arm telescopic crane |
| CN111824977A (en) * | 2020-03-03 | 2020-10-27 | 合肥恺文重工机械有限公司 | Full-pneumatic crane |
| CN111824977B (en) * | 2020-03-03 | 2024-05-24 | 合肥恺文重工机械有限公司 | Full pneumatic crane |
| CN111661769A (en) * | 2020-06-10 | 2020-09-15 | 郑州佛光发电设备有限公司 | Military shelter vehicle capable of loading and unloading goods |
| CN111573523A (en) * | 2020-06-12 | 2020-08-25 | 大连华锐重工冶金设备制造有限公司 | Double-rotation cantilever crane |
| CN111573523B (en) * | 2020-06-12 | 2023-08-29 | 大连华锐重工焦炉车辆设备有限公司 | Double-rotation cantilever crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20190922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |