CN203529737U - Direct drive crane - Google Patents

Direct drive crane Download PDF

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Publication number
CN203529737U
CN203529737U CN201320727578.8U CN201320727578U CN203529737U CN 203529737 U CN203529737 U CN 203529737U CN 201320727578 U CN201320727578 U CN 201320727578U CN 203529737 U CN203529737 U CN 203529737U
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CN
China
Prior art keywords
drive motor
large vehicle
carriage
walking
trolley
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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.)
Expired - Fee Related
Application number
CN201320727578.8U
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Chinese (zh)
Inventor
朱飞超
齐国庆
臧小惠
朱铭
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DALIAN BOHAI CRANE DEVICE Co Ltd
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DALIAN BOHAI CRANE DEVICE Co Ltd
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Priority to CN201320727578.8U priority Critical patent/CN203529737U/en
Application granted granted Critical
Publication of CN203529737U publication Critical patent/CN203529737U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a direct drive crane. The direct drive crane comprises a cart mechanism, a trolley mechanism and a lifting mechanism, wherein the crane uses a harmonic gear reduction motor; the harmonic gear reduction motor is connected with the lifting mechanism, a trolley walking mechanism and a cart walking mechanism of the crane; according to design requirements on the rotation speed and the torque of each mechanism, up-and-down, back-and-front and left-and-right operation of each mechanism can be achieved; an output shaft of the harmonic gear reduction motor is connected with a rotating shaft of a connected component to directly drive a driven part to rotate, so that direct drive is further realized, the integral quality and the structural complexity of the crane are greatly reduced; therefore, the crane has the advantages of low cost, simple and compact structure, light weight, attractive appearance, good convenience in assembling and disassembling, steady operation, noise avoidance, long service life and the like.

Description

A kind of hoisting crane that directly drives
Technical field
The utility model relates to a kind of construction machinery and equipment, particularly a kind of hoisting crane that directly drives.
Background technology
Conventionally hoisting crane is to have lifting mechanism, operating unit, and Bian Fu mechanism and control part combine.Its work characteristics is: electrical motor connection reducer band movable reel, wheel are realized the running of each mechanism, and it is large that this kind of type of drive has volume, and weight is high, complex structure, and driving efficiency is low, and noise is high, and operation is not steadily and the shortcoming such as maintenance rate height.
By scientific worker's effort, produce and manufactured a kind of low-rotating-speed high-torque permanent magnet electrical motor in recent years.The engineering staff of hoisting crane, the feature according to hoisting crane, is designed to " crane without speed reducer ", " gearless hoisting crane ", " directly driving hoisting crane " etc.But all because involving great expense, this hoisting crane is restricted in marketing.
Summary of the invention
The utility model is for above-mentioned technical matters, proposes a kind ofly by harmonic gear down electric motor, directly to drive, and the simple and compact for structure hoisting crane that directly drives.
For reaching above object, be achieved through the following technical solutions:
Directly drive a hoisting crane, comprising: large mechanism of car, trolley body and lifting mechanism;
Large mechanism of car comprises: large vehicle carriage, is arranged at the large vehicle walking wheel and the large vehicle walking drive motor for driving large vehicle walking wheel to rotate that in large vehicle carriage lower end, coordinate with hoisting crane walking track; Large vehicle walking drive motor is fixed on large vehicle carriage, and large vehicle walking drive motor output shaft is directly taken turns S. A. as large vehicle walking, i.e. large vehicle walking wheel and the rotation of large vehicle walking drive motor output shaft synchronous;
Trolley body comprises: car frame, be arranged in large vehicle carriage upper end be fixed on traveling wheel of trolley and the carriage walking drive motor for driving traveling wheel of trolley to rotate that large vehicle carriage upper end carriage walking track coordinates; Carriage walking drive motor is fixed in car frame, and carriage walking drive motor output shaft is directly as traveling wheel of trolley S. A., and traveling wheel of trolley and carriage walking drive motor output shaft synchronous rotate;
Lifting mechanism comprises: be fixed on the supporting seat of car frame upper surface, rotate the roller being assemblied on supporting seat and the drive motor that hoists rotating for driving roller; The drive motor that hoists is fixed on car frame upper end, and the drive motor output shaft that hoists is connected by coupler with roller S. A.; On roller, be provided with brake disc; In car frame, be provided with the plate disc brake coordinating with brake disc on roller;
Adopt the utility model of technique scheme, by carriage walking drive motor, directly drive trolley body to walk, large vehicle walking drive motor directly drives cart walking mechanism walking, realize motor direct-drive, and trolley body and large mechanism of car adopt directly assembling, have greatly simplified crane structure;
Further large vehicle walking drive motor and carriage walking drive motor adopt harmonic gear down electric motor, the drive motor that hoists adopts harmonic gear down electric motor, by utilizing harmonic gear down electric motor transmitting ratio large, load-carrying capacity is high, transmission accuracy is high, motion steadily, characteristic simple in structure, number of components is few, easy for installation, and then realize large mechanism of car and the stable safe in operation of trolley body is steady, walking accurate positioning, lifting mechanism hoists steadily, lifting accurate positioning, and further simplified crane structure;
The cross-sectional plane of supporting seat from top to bottom increases gradually, be that supporting seat is class cone, because the pressure of hoisting crane roller in lifting process increases gradually, and then arrange and realize the lower compression effort of dispersion roller to supporting seat by class taper, guarantee the safety that hoists of lifting mechanism.
The utility model to sum up, compared with prior art, the beneficial effects of the utility model:
The first, reduce power transmission link, improved the driving efficiency of Liao Ge mechanism, reduced power consumption, shortened the response time of system and the control accuracy of raising system;
The second, harmonic gear down electric motor, at a high speed than work, has been realized drive motor miniaturization; Concerning hoisting crane, alleviated hoisting crane deadweight, the also corresponding reduction of the needed intensity of hoisting crane body, thus the overall weight of hoisting crane can further alleviate;
Three, the reduction of hoisting crane intensity, reduces more material cost, traffic cost, tooling cost;
Four, a kind of novel direct drive hoisting crane, has adopted harmonic drive motor, and it is stable, driving efficiency is high, simple in structure, cost is low, noise is little, improved the serviceability of hoisting crane;
Five, harmonic gear down electric motor directly drives each mechanism, than the driver train of common electrical motor+retarder and the large torque motor of slow speed of revolution, more saves fund, cost can reduce greatly, is beneficial to very much promotion and implementation.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The utility model is totally 2 width accompanying drawings, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is large mechanism of car local structure schematic diagram of the present utility model.
In figure: 1.1, large vehicle carriage, 1.2, large vehicle walking wheel, 1.3, large vehicle walking drive motor, 2.1, car frame, 2.2, traveling wheel of trolley, 2.3, carriage walking drive motor, 3.1, supporting seat, 3.2, roller, 3.3, the drive motor that hoists, 3.4, coupler, 3.5, brake disc, 3.6, plate disc brake, 4, hoisting crane walking track, 5, carriage walking track.
The specific embodiment
A kind of hoisting crane that directly drives as depicted in figs. 1 and 2, comprising: large mechanism of car, trolley body and lifting mechanism;
Large mechanism of car comprises: large vehicle carriage 1.1, is arranged at the large vehicle walking wheel 1.2 and the large vehicle walking drive motor 1.3 for driving large vehicle walking wheel 1.2 to rotate that in large vehicle carriage 1.1 lower ends, coordinate with hoisting crane walking track 4; Large vehicle walking drive motor 1.3 is fixed on large vehicle carriage 1.1, and large vehicle walking drive motor 1.3 output shafts are directly taken turns 1.2 S. A.s as large vehicle walking, i.e. large vehicle walking wheel 1.2 and the 1.3 output shaft synchronous rotations of large vehicle walking drive motor;
Trolley body comprises: car frame 2.1, be arranged in large vehicle carriage 1.1 upper ends be fixed on traveling wheel of trolley 2.2 and the carriage walking drive motor 2.3 for driving traveling wheel of trolley 2.2 to rotate that large vehicle carriage 1.1 upper end carriage walking tracks 5 coordinate; Carriage walking drive motor 2.3 is fixed in car frame 2.1, and carriage walking drive motor 2.3 output shafts are directly as traveling wheel of trolley 2.2 S. A.s, and traveling wheel of trolley 2.2 rotates with carriage walking drive motor 2.3 output shaft synchronous;
Lifting mechanism comprises: be fixed on the supporting seat 3.1 of car frame 1.1 upper surfaces, rotate the roller 3.2 being assemblied on supporting seat 3.1 and the drive motor 3.3 that hoists rotating for driving roller 3.2; The drive motor 3.3 that hoists is fixed on car frame 1.1 upper ends, and drive motor 3.3 output shafts that hoist are connected by coupler 3.4 with roller 3.2 S. A.s; On roller 3.2, be provided with brake disc 3.5, in car frame 1.1, be provided with the plate disc brake 3.6 coordinating with brake disc 3.5 on roller 3.2, plate disc brake 3.6 can select air pressure to control the 3.5 realization brakings of clamping brake disc or fluid control clamping brake disc 3.5 is realized braking, by the impact on the drive motor 3.3 that hoists of torsion that disc type brake reduces roller 3.2 is additionally set at roller 3.2 places, the service life of the drive motor 3.3 that guarantees to hoist;
Adopt the utility model of technique scheme, by carriage walking drive motor 2.3, directly drive trolley body to walk, large vehicle walking drive motor 1.3 directly drives cart walking mechanism walking, realize motor direct-drive, and trolley body and large mechanism of car adopt directly assembling, have greatly simplified crane structure;
Further large vehicle walking drive motor 1.3 and carriage walking drive motor 2.3 adopt harmonic gear down electric motor, the drive motor 3.3 that hoists adopts harmonic gear down electric motor, by utilizing harmonic gear down electric motor transmitting ratio large, load-carrying capacity is high, transmission accuracy is high, motion steadily, characteristic simple in structure, number of components is few, easy for installation, and then realize large mechanism of car and the stable safe in operation of trolley body is steady, walking accurate positioning, lifting mechanism hoists steadily, lifting accurate positioning, and further simplified crane structure;
The cross-sectional plane of supporting seat 3.1 from top to bottom increases gradually, be that supporting seat 3.1 is class cone, because the pressure of hoisting crane roller 3.2 in lifting process increases gradually, and then arrange and realize the lower compression effort that disperses 3.2 pairs of supporting seats 3.1 of roller by class taper, guarantee the safety that hoists of lifting mechanism.
The utility model to sum up, compared with prior art, the beneficial effects of the utility model:
The first, reduce power transmission link, improved the driving efficiency of Liao Ge mechanism, reduced power consumption, shortened the response time of system and the control accuracy of raising system;
The second, harmonic gear down electric motor, at a high speed than work, has been realized drive motor miniaturization; Concerning hoisting crane, alleviated hoisting crane deadweight, the also corresponding reduction of the needed intensity of hoisting crane body, thus the overall weight of hoisting crane can further alleviate;
Three, the reduction of hoisting crane intensity, reduces more material cost, traffic cost, tooling cost;
Four, a kind of novel direct drive hoisting crane, has adopted harmonic drive motor, and it is stable, driving efficiency is high, simple in structure, cost is low, noise is little, improved the serviceability of hoisting crane;
Five, harmonic gear down electric motor directly drives each mechanism, than the driver train of common electrical motor+retarder and the large torque motor of slow speed of revolution, more saves fund, cost can reduce greatly, is beneficial to very much promotion and implementation.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art are not departing within the scope of technical solutions of the utility model, when utilizing, appeal the equivalent embodiment that the technology contents disclosing is made a little change or is modified to equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (3)

1. directly drive a hoisting crane, it is characterized in that: comprise large mechanism of car, trolley body and lifting mechanism;
Described large mechanism of car comprises: large vehicle carriage (1.1), is arranged at the large vehicle walking wheel (1.2) and the large vehicle walking drive motor (1.3) for driving large vehicle walking wheel (1.2) to rotate that in large vehicle carriage (1.1) lower end, coordinate with hoisting crane walking track (4); Described large vehicle walking drive motor (1.3) is fixed on large vehicle carriage (1.1), and large vehicle walking drive motor (1.3) output shaft is directly as large vehicle walking wheel (1.2) S. A., and large vehicle walking wheel (1.2) rotates with large vehicle walking drive motor (1.3) output shaft synchronous;
Described trolley body comprises: car frame (2.1), be arranged in large vehicle carriage (1.1) upper end be fixed on traveling wheel of trolley (2.2) and the carriage walking drive motor (2.3) for driving traveling wheel of trolley (2.2) to rotate that large vehicle carriage (1.1) upper end carriage walking track (5) coordinates; Described carriage walking drive motor (2.3) is fixed in car frame (2.1), and carriage walking drive motor (2.3) output shaft is directly as traveling wheel of trolley (2.2) S. A., and traveling wheel of trolley (2.2) rotates with carriage walking drive motor (2.3) output shaft synchronous;
Described lifting mechanism comprises: be fixed on the supporting seat (3.1) of car frame (1.1) upper surface, rotate the roller (3.2) being assemblied on supporting seat (3.1) and the drive motor that hoists (3.3) rotating for driving roller (3.2); The described drive motor that hoists (3.3) is fixed on car frame (1.1) upper end, and the drive motor that hoists (3.3) output shaft is connected by coupler (3.4) with roller (3.2) S. A.; On described roller (3.2), be provided with brake disc (3.5); In described car frame (1.1), be provided with the plate disc brake (3.6) coordinating with the upper brake disc (3.5) of roller (3.2);
Described large vehicle walking drive motor (1.3) and carriage walking drive motor (2.3) adopt harmonic gear down electric motor.
2. a kind of hoisting crane that directly drives according to claim 1, is characterized in that: described in the drive motor (3.3) that hoists adopt harmonic gear down electric motor.
3. a kind of hoisting crane that directly drives according to claim 1, is characterized in that: the cross-sectional plane of described supporting seat (3.1) from top to bottom increases gradually, and supporting seat (3.1) is class cone.
CN201320727578.8U 2013-11-13 2013-11-13 Direct drive crane Expired - Fee Related CN203529737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320727578.8U CN203529737U (en) 2013-11-13 2013-11-13 Direct drive crane

Publications (1)

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CN203529737U true CN203529737U (en) 2014-04-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552914A (en) * 2013-11-13 2014-02-05 大连渤海起重机器股份有限公司 Direct-driven crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552914A (en) * 2013-11-13 2014-02-05 大连渤海起重机器股份有限公司 Direct-driven crane

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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: 20140409

Termination date: 20141113

EXPY Termination of patent right or utility model