CN203359845U - Tower crane - Google Patents
Tower crane Download PDFInfo
- Publication number
- CN203359845U CN203359845U CN 201320410340 CN201320410340U CN203359845U CN 203359845 U CN203359845 U CN 203359845U CN 201320410340 CN201320410340 CN 201320410340 CN 201320410340 U CN201320410340 U CN 201320410340U CN 203359845 U CN203359845 U CN 203359845U
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- gin pole
- reel
- tower crane
- motor
- reductor
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Abstract
The utility model provides a tower crane which comprises a motor (20) arranged fixedly, a speed reducer (50) connected with the motor (20), a reel component (70) and a derrick mast structure (10), wherein the reel component (70) comprises a reel (71); the reel (71) is connected with the speed reducer (50); an axis direction of the reel (71) is perpendicular to that of an output shaft of the motor (20), so that the motor (20), the speed reducer (50) and the reel (71) form an L-shaped structure; and the derrick mast structure (10) is arranged at an included angle area of the L-shaped structure. The tower crane is compact in structure and can be convenient to repair.
Description
Technical field
The utility model relates to construction machinery and equipment, in particular to a kind of tower crane.
Background technology
Lifting mechanism is the operating mechanism that is used for realizing the goods lifting in tower crane, and it is indispensable part in tower crane, and the quality of serviceability will directly affect the technical performance of tower crane.The constituent elements of lifting mechanism is more, generally comprise actuating device, driving device, brake equipment, reel system, load-engaging device and safety aid etc., because lifting mechanism is arranged on the equilibrium arm of tower crane, higher apart from ground, once, so certain constituent elements et out of order of lifting mechanism, maintain and replace gets up very inconvenient.More and more at skyscraper, and require construction period shorter and shorter today, the height of tower crane is also more and more higher, brings larger trouble to the maintenance of lifting mechanism.
In order to solve the problem of high aerial lifting mechanism maintaining difficulty, set up the gin pole structure on the equilibrium arm of tower crane, it is a kind of light-duty lifting appliance, is mainly used in the lifting mechanism of tower crane is safeguarded.When certain constituent elements of lifting mechanism breaks down, the gin pole structure can be hung malfunction equipment and is loaded onto ground or new parts, new parts hung on the equilibrium arm be loaded onto, and has greatly alleviated personnel's labour intensity.
But, existing gin pole structure is mainly consider the maintenance of motor in lifting mechanism and change needs at the beginning of design, so the position arranged is generally far away apart from parts such as reductor, reels, the operating range of gin pole structure can't cover whole lifting mechanism, if the parts that the deadweight such as reductor, reel is larger break down, maintenance is comparatively inconvenience still.
The utility model content
The utility model aims to provide a kind of tower crane, compact conformation, and can facilitate the maintenance of tower crane.
To achieve these goals, according to an aspect of the present utility model, provide a kind of tower crane, having comprised: motor arranges regularly; Reductor, be connected with motor; Reel assemblies, comprise reel, and reel is connected with reductor, and the axis direction of the output shaft of the axis direction of reel and motor is perpendicular, makes between motor, reductor and reel to form L shaped structure; And gin pole structure; The gin pole structure is arranged at the angle district of L shaped structure.
Further, the gin pole structure comprises: the gin pole column, be fixed in the angle district of L shaped structure; The gin pole crossbeam, be arranged on the gin pole column rotationally around vertical axis; And the lifting fixed pulley, along the lengthwise location of gin pole crossbeam, be arranged at adjustably on the gin pole crossbeam.
Further, the lifting fixed pulley rotates formed operating range around vertical axis and covers motor, reductor and reel assemblies.
Further, the gin pole crossbeam has a plurality of knock holees, and a plurality of knock holees are arranged along the length direction of gin pole crossbeam; The lifting fixed pulley comprises locating dowel pin, and locating dowel pin selectively coordinates with any one in a plurality of knock holees.
Further, the top of gin pole column is provided with revolving structure, and revolving structure arranges rotationally around vertical axis, and the gin pole crossbeam is fixed on revolving structure.
Further, the gin pole structure also comprises: the first conductor rope fixed pulley, be fixed on the gin pole column, and be positioned at the top of reel assemblies; And the second conductor rope fixed pulley, be fixed on the gin pole crossbeam and near the setting of gin pole column.
Further, reel comprises: rotating shaft, with the slow-speed shaft of reductor, be connected, and the axis direction of the axis direction of rotating shaft and the output shaft of motor is perpendicular; And spool body, be set in rotating shaft regularly.
Further, spool body comprises: cylindrical shell is set in rotating shaft; And butt flange, be fixed in the end of cylindrical shell, and be connected by key with rotating shaft.
Further, tower crane also comprises: coupler is connected between the high speed shaft of the output shaft of motor and reductor; And drg, be arranged on coupler.
The application the technical solution of the utility model, utilize in existing tower crane, motor, form these characteristics of L shaped structure between reductor and reel, the gin pole structure is arranged on to the angle district of L shaped structure, make the gin pole structure to motor, the range difference less of reductor and reel, in the contrast prior art, by the gin pole structure away from reductor and reel setting, the operating range of gin pole structure only can cover motor, in the technical solution of the utility model, the operating range of gin pole structure can cover whole motor as far as possible, reductor and reel, facilitated motor, the maintenance of reductor and reel integral body, simultaneously, because the gin pole structure is arranged on the angle district of L shaped structure, so structure is comparatively compact, can not take the equilibrium arm additional space, be convenient to the layout of each parts on equilibrium arm yet.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the partial schematic diagram according to an angle of the tower crane of embodiment of the present utility model; And
Fig. 2 shows the partial schematic diagram according to another angle of the tower crane of embodiment of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, a kind of tower crane is provided, comprise gin pole structure 10, motor 20, drg 40, reductor 50, reel assemblies 70 and underframe 90 etc., wherein underframe 90 is fixed on the equilibrium arm of tower crane, motor 20, reductor 50 and reel assemblies 70 are separately fixed on underframe 90, between the high speed shaft of the output shaft of motor 20 and reductor 50, by coupler 30, be connected, coupler 30 lateral surfaces are provided with drg 40, drg 40 is positioned at the high speed shaft side, reel assemblies 70 comprises reel 71, reel 71 is connected with the slow-speed shaft of reductor 50, the axis direction of reel 71 is mutually vertical with the axis direction of the output shaft of motor 20, from Fig. 2, motor 20, form a L shaped structure between reductor 50 and reel 71, gin pole structure 10 is positioned at the angle district of L shaped structure, make gin pole structure 10 and motor 20, distance between reductor 50 and reel assemblies 70 is roughly the same, the operating range of gin pole structure 10 can cover motor 20, reductor 50 and reel assemblies 70, when these parts break down, can rely on gin pole structure 10 that malfunction equipment is hung and is loaded onto ground and keeped in repair, or by new parts, new parts hangs to be loaded onto on equilibrium arm and is keeped in repair.
In prior art, the maintenance needs of motor 20 are only considered in the design of gin pole structure 10, so gin pole structure 10 is far away apart from reductor 50 and reel assemblies 70, can't cover reductor 50 and reel assemblies 70, when reductor 50 or reel assemblies 70 break down, also need to malfunction equipment could be delivered to the gin-pole mechanism place by people's push-and-pull and hang and be loaded onto ground and maybe will hang the new parts that are downloaded on equilibrium arm, new parts push-and-pull to the malfunction equipment place, the labour intensity that has increased the people has also extended the duration.
And the utility model utilizes the L shaped structure formed between motor 20, reductor 50 and reel 71, gin pole structure 10 is arranged on to the angle district of L shaped structure, can be in the situation that keep between gin pole structure 10 and motor 20 apart from constant, distance between the gin pole structure 10 that furthers and reductor 50 and reel assemblies 70, make the operating range of gin pole structure 10 can cover motor 20, reductor 50 and reel assemblies 70, safeguard for motor 20, reductor 50 and reel 71 provide more fully; Simultaneously, because the gin pole structure is arranged on the angle district of L shaped structure, can additionally not take the space on equilibrium arm, make the structure of equilibrium arm compacter, be convenient to the layout of each parts on equilibrium arm yet.
Preferably, coupler 30 is the plum coupling of band brake wheel.
Preferably, drg 40 is the power hydraulic pressure pusher brake.
In the present embodiment, gin pole structure 10 comprises gin pole column 12, gin pole crossbeam 14 and lifting fixed pulley 15., wherein gin pole column 12 vertically is fixed on underframe 90 by base 11, and gin pole column 12 is positioned at the angle district of L shaped structure, the first end of gin pole crossbeam 14 is arranged at the top of gin pole column 12, second end relative with first end is to the direction horizontal-extending away from gin pole column 12, gin pole crossbeam 14 can rotate around the vertical central axis of gin pole column 12, lifting fixed pulley 15 is arranged on gin pole crossbeam 14, its position can be along the length direction adjustment of gin pole crossbeam 14, according to the particular location flexible for the treatment of Awaiting Parts, improved the comformability of gin pole structure 10.
The adjustable lifting fixed pulley 15 in rotatable gin pole crossbeam 14 and position matches, make to lift by crane fixed pulley 15 and rotate formed operating range around the rotation axis of gin pole crossbeam 14 and can cover whole motor 20, reductor 50 and reel 71, facilitated the maintenance to motor 20, reductor 50 and reel 71.
In order to facilitate the position adjustments of gin pole column 12, base 11 is bolted on underframe 90, and gin pole column 12 is weldingly fixed on base 11.
The concrete mounting means of gin pole crossbeam 14 on gin pole column 12 is: gin pole column 12 tops are fixed with revolving structure 13, revolving structure 13 has a vertical axis of revolution, axis of revolution can rotate around himself axis, and the vertical central axes of axis of revolution self axis and gin pole column 12, axis of revolution vertically is located on gin pole crossbeam 14, and gin pole crossbeam 14 can be rotated in the wraparound rotating shaft.
Certainly, realize the rotation of gin pole crossbeam 14, the concrete structure of gin pole structure 10 can be also: gin pole column 12 can rotate around himself axis, gin pole crossbeam 14 is fixed in the top of gin pole column 12, rotate along with the rotation of gin pole column 12, can realize that equally the revolution range of lifting by crane fixed pulley 15 covers whole motor 20, reductor 50 and reel 71.
The concrete mounting means of lifting fixed pulley 15 on gin pole crossbeam 14 is: the pulley base of lifting fixed pulley 15 is fixed on gin pole crossbeam 14 by binding bolt, be provided with a plurality of positioning bolt holes on gin pole crossbeam 14, a plurality of positioning bolt holes are arranged along the length direction of gin pole crossbeam 14, and binding bolt selectively coordinates with any one in a plurality of knock holees, to realize the position of lifting fixed pulley 15 on gin pole crossbeam 14, adjust.
Certainly, binding bolt and the positioning bolt hole be complementary can replace with the threaded locating dowel pin of not having of other and knock hole, its purpose just plays the correct position that lifting fixed pulley 15 is fixed on to gin pole crossbeam 14, to facilitate the maintenance to each parts of lifting mechanism.
For the rope stretching point that increases reel 71 and the length of lifting by crane the lifting rope between fixed pulley 15, gin pole structure 10 also comprises the first conductor rope fixed pulley 16 and the second conductor rope fixed pulley 17, the first conductor rope fixed pulley 16 is fixed on gin pole column 12, the position at the first conductor rope fixed pulley 16 places is higher than the position at reel assemblies 70 places, the second conductor rope fixed pulley 17 is fixed in the end of the close gin pole column 12 of gin pole crossbeam 14, and the pulley axis direction of the first conductor rope fixed pulley 16 and the second conductor rope fixed pulley 17 is parallel to respectively the pulley axis direction that lifts by crane fixed pulley 15.Lifting rope is from reel 71 rope stretchings, free end is pile warp the first conductor rope fixed pulley 16, the second conductor rope fixed pulley 17 and lifting fixed pulley 15 successively, last connecting shackle, reasonable Arrangement by the first conductor rope fixed pulley 16 and the second conductor rope fixed pulley 17, can avoid lifting rope generation rope skipping phenomenon, reduce the wearing and tearing of lifting rope.
In the present embodiment, reel assemblies 70 is except comprising aforesaid reel 71, also comprise bearing seat 77, bearing seat 77 has two, be arranged in the two ends of the axis direction of reel 71, reel 71 comprises rotating shaft 72 and spool body 73, its shaft 72 is connected by another coupler with the slow-speed shaft of reductor 50, the two ends of rotating shaft 72 are supported on respectively on two bearing seats 77, spool body 73 fixed covers are located in rotating shaft 72, rotation with rotating shaft 72 is rotated, and realizes being involved in and rolling out of lifting rope, and then promotes or fall load.
The concrete structure of spool body 73 comprises cylindrical shell 74 and butt flange 75, its middle cylinder body 74 is set in rotating shaft 72, butt flange 75 is fixedly connected with the end of cylindrical shell 74, and butt flange 75 is connected by key 76 with rotating shaft 72, makes that spool body 73 is whole to be fixedly connected with rotating shaft 72.
The end away from reductor 50 of rotating shaft 72 is provided with height limitator 80, can limit rising and the lowering position of the suspension hook that lifting rope connects, prevent from that suspension hook from rising too high to interfere with miscellaneous part, or the too low generation safety misadventure that descends.
During use, 20 rotations of lifting mechanism energising rear motor, normally engaged brake 40 is opened, and through reductor 50 decelerations, drives rotating shaft 72, and then drives spool body 73 rotations, drives lifting rope and is involved in and rolls out, thereby realize the lifting of load and transfer.
Advantage of the present utility model is as follows:
1, easily safeguard during from great parts et out of order at motor 20, reductor 50, reel 71 etc., shorten the construction period;
2, the plum blossom elastic body in the plum coupling of band brake wheel is consumable accessory, changes easily;
While 3, keeping in repair, reduced people's labour intensity;
4, the gin pole structure is arranged on the angle district of motor 20, reductor 50 and reel assemblies 70 formed L shaped structures, and compact conformation is saved the space on equilibrium arm, and facilitates the layout of other parts on equilibrium arm.
From above description, can find out, the utility model the above embodiments have realized following technique effect: utilize in existing tower crane, motor, form these characteristics of L shaped structure between reductor and reel, the gin pole structure is arranged on to the angle district of L shaped structure, make the gin pole structure to motor, the range difference less of reductor and reel, in the contrast prior art, by the gin pole structure away from reductor and reel setting, the operating range of gin pole structure only can cover motor, in the technical solution of the utility model, the operating range of gin pole structure can cover whole motor as far as possible, reductor and reel, facilitated motor, the maintenance of reductor and reel integral body, simultaneously, because the gin pole structure is arranged on the angle district of L shaped structure, so structure is comparatively compact, can not take the equilibrium arm additional space, be convenient to the layout of each parts on equilibrium arm yet.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a tower crane comprises:
Motor (20), arrange regularly;
Reductor (50), be connected with described motor (20);
Reel assemblies (70), comprise reel (71), described reel (71) is connected with described reductor (50), and the axis direction of the output shaft of the axis direction of described reel (71) and described motor (20) is perpendicular, make between described motor (20), described reductor (50) and described reel (71) to form L shaped structure; And
Gin pole structure (10);
It is characterized in that, described gin pole structure (10) is arranged at the angle district of described L shaped structure.
2. tower crane according to claim 1, is characterized in that, described gin pole structure (10) comprising:
Gin pole column (12), be fixed in the angle district of described L shaped structure;
Gin pole crossbeam (14), be arranged on described gin pole column (12) rotationally around vertical axis; And
Lifting fixed pulley (15), be arranged on described gin pole crossbeam (14) adjustably along the lengthwise location of described gin pole crossbeam (14).
3. tower crane according to claim 2, is characterized in that, described lifting fixed pulley (15) rotates formed operating range around described vertical axis and covers described motor (20), described reductor (50) and described reel assemblies (70).
4. tower crane according to claim 2, is characterized in that,
Described gin pole crossbeam (14) has a plurality of knock holees, and a plurality of described knock holees are arranged along the length direction of described gin pole crossbeam (14);
Described lifting fixed pulley (15) comprises locating dowel pin, and described locating dowel pin selectively coordinates with any one in a plurality of described knock holees.
5. tower crane according to claim 2, it is characterized in that, the top of described gin pole column (12) is provided with revolving structure (13), and described revolving structure (13) arranges rotationally around described vertical axis, and described gin pole crossbeam (14) is fixed on described revolving structure (13).
6. tower crane according to claim 2, is characterized in that, described gin pole structure (10) also comprises:
The first conductor rope fixed pulley (16), be fixed in described gin pole column (12) upper, and be positioned at the top of described reel assemblies (70); And
The second conductor rope fixed pulley (17), be fixed in the upper and close described gin pole column (12) of described gin pole crossbeam (14) and arrange.
7. tower crane according to claim 1, is characterized in that, described reel (71) comprising:
Rotating shaft (72), be connected with the slow-speed shaft of described reductor (50), and the axis direction of the output shaft of the axis direction of described rotating shaft (72) and described motor (20) is perpendicular; And
Spool body (73), be set in described rotating shaft (72) regularly.
8. tower crane according to claim 7, is characterized in that, described spool body (73) comprising:
Cylindrical shell (74), be set in described rotating shaft (72); And
Butt flange (75), be fixed in the end of described cylindrical shell (74), and be connected by key (76) with described rotating shaft (72).
9. according to the described tower crane of any one in claim 1 to 8, it is characterized in that, described tower crane also comprises:
Coupler (30), be connected between the high speed shaft of the output shaft of described motor (20) and described reductor (50); And
Drg (40), be arranged on described coupler (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320410340 CN203359845U (en) | 2013-07-10 | 2013-07-10 | Tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320410340 CN203359845U (en) | 2013-07-10 | 2013-07-10 | Tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203359845U true CN203359845U (en) | 2013-12-25 |
Family
ID=49807638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320410340 Expired - Fee Related CN203359845U (en) | 2013-07-10 | 2013-07-10 | Tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203359845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991796A (en) * | 2014-05-08 | 2014-08-20 | 天津一建建筑工程有限公司 | Device group for replacing malfunctioning motor part of aerial work tower crane |
| CN105271003A (en) * | 2015-10-28 | 2016-01-27 | 林蓉瑶 | Tower crane convenient to operate |
-
2013
- 2013-07-10 CN CN 201320410340 patent/CN203359845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991796A (en) * | 2014-05-08 | 2014-08-20 | 天津一建建筑工程有限公司 | Device group for replacing malfunctioning motor part of aerial work tower crane |
| CN105271003A (en) * | 2015-10-28 | 2016-01-27 | 林蓉瑶 | Tower crane convenient to operate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160710 |